/* Reference recreation. Artwork is decorative; all controls and learning data remain live. */
@font-face{font-family:BetoothPixel;src:url('../assets/pixel/PixelifySans.ttf') format('truetype');font-weight:400 700;font-display:swap}

/* Internal pages share the shell, but each has a deliberate study composition. */
:root{
 --pixel-cyan:hsl(from var(--betooth-muted) calc(h - 8) 86% 48%);
 --bg-page:color-mix(in srgb,var(--betooth-deep) 34%,black);
 --bg-sidebar:color-mix(in srgb,var(--betooth-deep) 40%,black);
 --bg-panel:color-mix(in srgb,var(--betooth-deep) 48%,black);
 --bg-card:color-mix(in srgb,var(--betooth-deep) 58%,black);
 --bg-hover:color-mix(in srgb,var(--betooth-muted) 20%,var(--bg-panel));
 --accent-primary:var(--pixel-cyan);--text-primary:var(--betooth-paper);
 --border-subtle:color-mix(in srgb,var(--betooth-muted) 55%,var(--bg-page));
 --border-active:var(--betooth-muted);--progress-fill:var(--pixel-cyan);
 --radius-card:8px;--radius-control:6px;--radius-button:6px;
 --display-family:BetoothPixel,Arial,sans-serif;
 /* Measured against the 1536px-wide reference, not a page transform. */
 --pixel-shell-unit:max(.8px,calc(100vw / 1536));
 --sidebar-width:calc(227 * var(--pixel-shell-unit));--topbar-height:calc(76 * var(--pixel-shell-unit));
 --pixel-edge:inset 0 0 0 1px color-mix(in srgb,var(--betooth-light) 12%,transparent),0 0 0 2px var(--bg-page);
}
body{background:var(--bg-page)}
.app{width:94.140625vw;max-width:none;margin-inline:3.125vw 0;grid-template-columns:var(--sidebar-width) minmax(0,1fr);grid-template-rows:var(--topbar-height) minmax(0,1fr);align-items:start}
.topbar{grid-column:1/-1;grid-row:1;position:sticky;top:0;z-index:40;height:var(--topbar-height);padding:calc(12 * var(--pixel-shell-unit)) calc(47 * var(--pixel-shell-unit));gap:calc(32 * var(--pixel-shell-unit));border:1px solid var(--border-subtle);border-radius:12px;background:var(--bg-sidebar);box-shadow:var(--pixel-edge)}
.topbar-heading{display:block;width:calc(247 * var(--pixel-shell-unit));min-width:0;flex:none}
.brand{margin:0;gap:0;display:inline-flex}.brand-word{font:700 calc(50 * var(--pixel-shell-unit))/1 BetoothPixel,Arial,sans-serif;letter-spacing:-1px}
.wordmark-be{color:var(--betooth-orange)}.wordmark-tooth{color:var(--pixel-cyan)}
.top-actions{display:flex;flex-direction:row;justify-content:flex-start;flex:1;gap:calc(22 * var(--pixel-shell-unit));min-width:0}.search-wrap{flex:1;width:auto;min-width:0;max-width:calc(750 * var(--pixel-shell-unit))}
.search{height:calc(48 * var(--pixel-shell-unit));width:100%;border-radius:7px;border-color:var(--betooth-muted);background:var(--bg-page);font-size:calc(17 * var(--pixel-shell-unit));padding-inline:calc(54 * var(--pixel-shell-unit)) calc(85 * var(--pixel-shell-unit));letter-spacing:.4px;box-shadow:inset 0 0 0 1px var(--border-subtle)}
.search-shortcut{position:absolute;inset-inline-end:14px;top:10px;border:1px solid var(--betooth-muted);border-radius:3px;color:var(--betooth-light);padding:1px 6px;font-size:14px}
.topbar-tools{gap:12px;flex:none}.language-switcher{padding:2px;border-radius:5px}.language-globe{display:none}
.account-control{max-width:calc(180 * var(--pixel-shell-unit))}.account-trigger,.account-action{border-radius:6px}.profile-avatar{image-rendering:pixelated}
.topbar-tools{margin-inline-start:auto}.topbar .account-control{min-width:0;min-height:0;width:auto}.topbar .account-control>.account-action{min-height:calc(44 * var(--pixel-shell-unit));padding:calc(8 * var(--pixel-shell-unit)) calc(12 * var(--pixel-shell-unit));font-size:calc(14 * var(--pixel-shell-unit))}
.topbar .language-switcher{min-height:0;gap:0}.topbar .language-switcher button{min-width:calc(32 * var(--pixel-shell-unit));padding:calc(4 * var(--pixel-shell-unit)) calc(8 * var(--pixel-shell-unit));font-size:calc(14 * var(--pixel-shell-unit))}
.content{grid-column:2;grid-row:2;min-width:0}main{padding:0 12px 24px}
.sidebar{grid-column:1;grid-row:2;width:calc(var(--sidebar-width) - 12 * var(--pixel-shell-unit));position:relative;top:0;height:auto;min-height:calc(100dvh - var(--topbar-height));overflow:visible;margin-inline:calc(7 * var(--pixel-shell-unit)) calc(5 * var(--pixel-shell-unit));padding:calc(16 * var(--pixel-shell-unit)) calc(6 * var(--pixel-shell-unit));gap:calc(12 * var(--pixel-shell-unit));border:1px solid var(--border-subtle);border-top:0;border-radius:0 0 8px 8px;background:var(--bg-sidebar);box-shadow:var(--pixel-edge)}
.sidebar .nav{gap:calc(3 * var(--pixel-shell-unit));margin:0}.nav-item{min-height:calc(49 * var(--pixel-shell-unit));padding:calc(6 * var(--pixel-shell-unit)) calc(16 * var(--pixel-shell-unit));gap:calc(18 * var(--pixel-shell-unit));border:0;border-radius:4px;color:var(--betooth-light);font-size:max(14px,calc(16 * var(--pixel-shell-unit)));font-weight:400;box-shadow:none}
.nav-secondary{padding-top:12px;border-top:1px solid var(--border-subtle)}
.nav-item.active{background:var(--bg-hover);color:var(--betooth-paper);box-shadow:inset 4px 0 var(--betooth-orange)}
.nav-icon{width:30px;height:30px;color:var(--pixel-cyan);stroke-linejoin:miter;stroke-linecap:square;shape-rendering:crispEdges;stroke-width:2}
.nav-item.active .nav-icon{color:var(--betooth-orange)}
.nav-icon{width:calc(36 * var(--pixel-shell-unit));height:calc(36 * var(--pixel-shell-unit));flex:none;background-image:url('../assets/pixel/reference-art.png');background-size:calc(1536 * var(--pixel-shell-unit)) calc(1024 * var(--pixel-shell-unit));image-rendering:pixelated}
.nav-icon>*{visibility:hidden}.nav-item[data-route="home"] .nav-icon{background-position:calc(-80 * var(--pixel-shell-unit)) calc(-102 * var(--pixel-shell-unit))}.nav-item[data-route="courses"] .nav-icon{background-position:calc(-78 * var(--pixel-shell-unit)) calc(-155 * var(--pixel-shell-unit))}.nav-item[data-route="notes"] .nav-icon{background-position:calc(-78 * var(--pixel-shell-unit)) calc(-208 * var(--pixel-shell-unit))}.nav-item[data-route="mcqs"] .nav-icon{background-position:calc(-78 * var(--pixel-shell-unit)) calc(-261 * var(--pixel-shell-unit))}.nav-item[data-route="dashboard"] .nav-icon{background-position:calc(-78 * var(--pixel-shell-unit)) calc(-315 * var(--pixel-shell-unit))}
.nav-item:is([data-route="store"],[data-route="leaderboard"],[data-route="community"],[data-route="clinical"]) .nav-icon{background-image:none}.nav-item:is([data-route="store"],[data-route="leaderboard"],[data-route="community"],[data-route="clinical"]) .nav-icon>*{visibility:visible}
.beto-card{position:relative;margin:0;padding:10px 16px;min-height:52px;display:flex;align-items:center;gap:18px;border:0;border-radius:4px;background:transparent;box-shadow:none;overflow:visible}
.sidebar-beto-portrait{position:static;width:30px;height:34px;flex:none;overflow:hidden;background-image:url('../assets/pixel/reference-art.png');background-size:1536px 1024px;background-position:-81px -362px;image-rendering:pixelated}
.sidebar-beto-portrait img{display:none}.sidebar-beto-copy{padding:0;display:block}.sidebar-beto-copy>small,.sidebar-beto-copy>strong{display:none}.beto-card-action{padding:0;background:none;box-shadow:none;border:0;font-size:16px;font-weight:400;color:var(--betooth-light)}.beto-cta-arrow{display:none}
.sidebar .beto-card{flex-direction:row;margin:0;padding:calc(6 * var(--pixel-shell-unit)) calc(16 * var(--pixel-shell-unit));gap:calc(18 * var(--pixel-shell-unit));min-height:calc(49 * var(--pixel-shell-unit));background:transparent;box-shadow:none;border:0;text-align:start}
.sidebar .beto-card>span{width:auto}.sidebar .sidebar-beto-portrait{width:calc(36 * var(--pixel-shell-unit));min-width:calc(36 * var(--pixel-shell-unit));height:calc(36 * var(--pixel-shell-unit));margin:0;background-size:calc(1536 * var(--pixel-shell-unit)) calc(1024 * var(--pixel-shell-unit));background-position:calc(-78 * var(--pixel-shell-unit)) calc(-360 * var(--pixel-shell-unit))}.sidebar-beto-portrait::before{display:none}
.sidebar .sidebar-beto-copy{flex:1}.sidebar .beto-card small,.sidebar .beto-card strong{display:none}.sidebar .beto-card-action{margin:0;padding:0;min-height:0;border:0;border-radius:0;box-shadow:none;background:transparent;font-size:16px;color:var(--betooth-light)}
.sidebar .beto-card:hover,.sidebar .beto-card.active{background:var(--bg-hover);box-shadow:none}.sidebar .beto-card:hover .beto-card-action{background:none;box-shadow:none;transform:none}
/* Existing pages inherit the same panel/control treatment, not a new information architecture. */
:where(.panel,.card,.course-card,.mcq-bank-card,.notes-item,.notes-folder,.store-card,.beto-history,.beto-sources,.account-dropdown){border-color:var(--border-subtle);border-radius:8px;background:var(--bg-panel);box-shadow:var(--pixel-edge)}
:where(h1,h2,h3,.kicker){font-family:var(--display-family)}
:where([lang="en"][dir="ltr"]){font-family:Arial,Helvetica,sans-serif}
:where(button,.button-link,.primary,.secondary,.ghost){border-radius:6px}
.primary,.beto-composer button{background:var(--bg-hover);border:1px solid var(--betooth-muted);color:var(--betooth-paper);box-shadow:var(--pixel-edge)}
.primary:hover:not(:disabled),.beto-composer button:hover:not(:disabled){background:var(--bg-card);border-color:var(--pixel-cyan)}
:where(input:not([type="checkbox"]):not([type="radio"]):not([type="range"]),textarea,select){border-color:var(--betooth-muted);border-radius:6px;background-color:var(--bg-page);color:var(--betooth-paper)}
:focus-visible{outline:2px solid var(--betooth-orange);outline-offset:3px}
progress{accent-color:var(--pixel-cyan);height:12px;border-radius:4px;border:1px solid var(--bg-page);background:var(--bg-page)}
progress::-webkit-progress-bar{background:var(--bg-page);border-radius:4px}progress::-webkit-progress-value{background:var(--pixel-cyan);border-radius:3px}progress::-moz-progress-bar{background:var(--pixel-cyan);border-radius:3px}
/* Never filter, pixelate, resize or change touch-action of PDF/annotation surfaces. */
.home-experience{container-type:inline-size;width:100%;max-width:none}
#pageMount:has(.home-experience){padding:calc(2 * var(--pixel-shell-unit)) calc(3 * var(--pixel-shell-unit)) 24px 0}
.home-board{display:grid;grid-template-columns:minmax(0,609fr) minmax(0,550fr);grid-template-areas:"scene scene" "features features" "syllabus syllabus" "progress progress" "sidecar sidecar" "activity activity" "metrics metrics";gap:64px;padding-inline:1.974cqw 1.563cqw;padding-bottom:64px}
.home-scene{--home-hero-height:clamp(480px,64svh,720px);--home-art-unit:calc(var(--home-hero-height) / 342);grid-area:scene;height:var(--home-hero-height);min-height:0;max-height:none;margin-inline:-1.974cqw -1.563cqw;border:0;border-radius:0 0 6px 6px;background:var(--bg-sidebar);box-shadow:none;isolation:isolate}
.home-scene::before{content:"";position:absolute;inset:0 auto 0 0;width:6cqw;background-image:url('../assets/pixel/reference-art.png');background-size:calc(1536 * var(--home-art-unit)) calc(1024 * var(--home-art-unit));background-position:calc(-275 * var(--home-art-unit)) calc(-78 * var(--home-art-unit));image-rendering:pixelated;z-index:3;pointer-events:none}
.home-beto-scene,html[dir="rtl"] .home-beto-scene{position:absolute;inset:0 0 0 33%;height:auto;margin:0;background-image:url('../assets/pixel/reference-art.png');background-size:calc(1536 * var(--home-art-unit)) calc(1024 * var(--home-art-unit));background-position:calc(-750 * var(--home-art-unit)) calc(-78 * var(--home-art-unit));image-rendering:pixelated;display:block}
.home-intro,html[dir="rtl"] .home-intro{width:40%;height:100%;padding:48px 0 48px 6.99cqw;justify-content:center;gap:0;background:linear-gradient(90deg,var(--bg-sidebar) 82%,transparent);align-items:flex-start;z-index:2}
.home-intro h1{font:700 4.1cqw/1.02 BetoothPixel,Arial,sans-serif;letter-spacing:.2px;margin:0 0 12px;max-width:none;text-shadow:2px 2px var(--bg-page)}
.home-description>span{display:block}
.home-intro h1>span{display:block;white-space:nowrap}.home-headline-accent{color:var(--pixel-cyan)}
.home-description{font:400 1.5cqw/1.35 Arial,sans-serif;max-width:31ch;white-space:normal;letter-spacing:.2px;margin:0;color:var(--betooth-paper)}
.home-actions{margin-top:12px;gap:0}.home-actions .primary{width:20.89cqw;min-width:0;min-height:4.112cqw;padding:.822cqw 1.974cqw;background:var(--betooth-orange);border-color:var(--betooth-orange);color:white;font-size:1.645cqw;font-weight:700;gap:1.974cqw;box-shadow:inset 0 2px color-mix(in srgb,var(--betooth-paper) 35%,transparent),0 3px var(--bg-page)}
.home-actions .primary:hover{background:color-mix(in srgb,var(--betooth-orange) 90%,var(--betooth-paper));color:white}
.home-feature-row{grid-area:features;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:calc(14 * var(--pixel-shell-unit))}
.home-feature{position:relative;display:grid;grid-template-columns:calc(64 * var(--pixel-shell-unit)) minmax(0,1fr);grid-template-rows:auto 1fr;gap:calc(5 * var(--pixel-shell-unit)) calc(12 * var(--pixel-shell-unit));align-content:start;padding:calc(12 * var(--pixel-shell-unit)) calc(10 * var(--pixel-shell-unit));min-height:calc(92 * var(--pixel-shell-unit));border:1px solid var(--betooth-muted);border-radius:8px;background:var(--bg-panel);box-shadow:var(--pixel-edge);text-decoration:none;min-width:0}
.home-feature strong{font-size:calc(16 * var(--pixel-shell-unit));font-weight:600}.home-feature>span:not(.pixel-feature-icon):not(.feature-arrow){font-size:calc(13 * var(--pixel-shell-unit));line-height:1.45;color:var(--betooth-light);padding-inline-end:5px}.home-feature:hover{background:var(--bg-card);border-color:var(--pixel-cyan)}
.pixel-feature-icon{display:block;grid-row:1/3;width:calc(64 * var(--pixel-shell-unit));height:calc(64 * var(--pixel-shell-unit));background-image:url('../assets/pixel/reference-art.png');background-size:calc(1536 * var(--pixel-shell-unit)) calc(1024 * var(--pixel-shell-unit));image-rendering:pixelated}
.pixel-book{background-position:calc(-311 * var(--pixel-shell-unit)) calc(-442 * var(--pixel-shell-unit))}.pixel-note{background-position:calc(-553 * var(--pixel-shell-unit)) calc(-442 * var(--pixel-shell-unit))}.pixel-check{background-position:calc(-792 * var(--pixel-shell-unit)) calc(-442 * var(--pixel-shell-unit))}.pixel-study{background-position:calc(-1030 * var(--pixel-shell-unit)) calc(-442 * var(--pixel-shell-unit))}.pixel-beto{background-position:calc(-1264 * var(--pixel-shell-unit)) calc(-442 * var(--pixel-shell-unit))}
.feature-arrow{position:absolute;bottom:calc(5 * var(--pixel-shell-unit));inset-inline-end:calc(10 * var(--pixel-shell-unit));color:var(--pixel-cyan);font-size:calc(22 * var(--pixel-shell-unit))}
.home-activity-panel{grid-area:activity;padding:calc(14 * var(--pixel-shell-unit)) calc(18 * var(--pixel-shell-unit));min-height:calc(242 * var(--pixel-shell-unit));border:1px solid var(--betooth-muted);border-radius:8px;background:var(--bg-panel);box-shadow:var(--pixel-edge)}
.home-section-heading{height:auto;min-height:calc(26 * var(--pixel-shell-unit));margin:0 0 calc(12 * var(--pixel-shell-unit))}.home-section-heading h2{font:600 calc(22 * var(--pixel-shell-unit))/1.3 BetoothPixel,Arial,sans-serif;letter-spacing:0;text-transform:none}.home-section-heading .ghost{color:var(--pixel-cyan);font-size:calc(14 * var(--pixel-shell-unit));padding:0}
#homeActivity{display:grid;gap:calc(6 * var(--pixel-shell-unit))}.home-activity-row{display:flex;align-items:center;gap:calc(16 * var(--pixel-shell-unit));min-height:calc(60 * var(--pixel-shell-unit));padding:calc(8 * var(--pixel-shell-unit)) calc(12 * var(--pixel-shell-unit));text-decoration:none;border:1px solid var(--border-subtle);border-radius:6px;background:var(--bg-sidebar)}
.home-activity-row .ui-icon{width:calc(36 * var(--pixel-shell-unit));height:calc(36 * var(--pixel-shell-unit));color:var(--pixel-cyan);padding:5px;background:var(--bg-card);border:1px solid var(--betooth-muted);border-radius:4px}.home-activity-row div{min-width:0}.home-activity-row strong{font-size:calc(14 * var(--pixel-shell-unit));font-weight:400;display:block}.home-activity-row time{display:block;font-size:calc(12 * var(--pixel-shell-unit));color:var(--betooth-light)}
#homeProgress{grid-area:progress;min-height:calc(242 * var(--pixel-shell-unit));display:grid;grid-template-columns:calc(169 * var(--pixel-shell-unit)) minmax(0,1fr);grid-template-rows:auto auto auto auto;gap:calc(12 * var(--pixel-shell-unit)) calc(20 * var(--pixel-shell-unit));padding:calc(14 * var(--pixel-shell-unit)) calc(18 * var(--pixel-shell-unit));border-color:var(--betooth-muted);box-shadow:var(--pixel-edge);background:var(--bg-panel)}
#homeProgress h2{font:600 calc(22 * var(--pixel-shell-unit))/1.3 BetoothPixel,Arial,sans-serif;margin:0;grid-column:1/-1}
#homeProgress .home-progress-ring{width:calc(153 * var(--pixel-shell-unit));height:calc(153 * var(--pixel-shell-unit));margin:0;justify-self:center;grid-column:1;grid-row:2;background:conic-gradient(var(--betooth-orange) var(--progress-angle),var(--betooth-muted) 0)}
#homeProgress .home-progress-ring::before{inset:calc(18 * var(--pixel-shell-unit));background:var(--bg-panel)}#homeProgress .home-progress-ring strong{font:600 calc(30 * var(--pixel-shell-unit)) Arial,sans-serif;margin-top:0}
#homeProgress>.home-progress-count{grid-row:3;grid-column:1;font-size:14px;display:flex;flex-wrap:wrap;justify-content:center;align-self:start;justify-self:center;max-width:100%;padding:0;gap:4px 6px;margin:0;text-align:center}#homeProgress .home-progress-count bdi{font:400 14px Arial,sans-serif}#homeProgress>progress{grid-row:4;grid-column:1;align-self:start;justify-self:center;width:100%;max-width:153px;margin:0}
.home-progress-courses{grid-row:2/5;grid-column:2;display:grid;align-content:center;gap:24px;min-width:0}.home-progress-course{display:grid;grid-template-columns:minmax(0,1fr) 48px;align-items:center;gap:8px 12px;font-size:14px;min-width:0}.home-progress-course span{grid-column:1/-1;line-height:1.5;overflow-wrap:anywhere}.home-progress-course strong{grid-column:2;grid-row:2;text-align:end;font-variant-numeric:tabular-nums}.home-progress-course progress{grid-column:1;grid-row:2;width:100%;min-width:0;height:13px}.home-progress-course:nth-child(odd) progress::-webkit-progress-value{background:var(--betooth-orange)}
.home-metrics{grid-area:metrics;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.home-stat{height:92px;background:var(--bg-panel);border-radius:8px}.home-stat strong{font-family:BetoothPixel,Arial,sans-serif}
.home-syllabus{grid-area:syllabus;margin:0}.home-course-deck{grid-template-columns:repeat(4,minmax(0,1fr))}.home-course-card{background:var(--bg-panel);border-radius:8px}
.home-sidecar{grid-area:sidecar;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.home-utility-card{background:var(--bg-panel);border-radius:8px;padding:20px}
html[dir="rtl"] .nav-item.active{box-shadow:inset -4px 0 var(--betooth-orange)}
.sidebar>.nav,.sidebar>.beto-card{flex-shrink:0}
/* Study text remains readable; pixel display type stays in headings and navigation. */
.home-progress-course span,.home-progress-count{font-family:Arial,Helvetica,sans-serif}
@media(pointer:coarse){.app .topbar .language-switcher button{min-width:44px;min-height:44px}.sidebar .nav-item{min-height:44px}.app .notes-workspace :is(.workspace-tool,.workspace-icon-button,.annotation-settings summary){min-width:44px;min-height:44px}.app .notes-workspace :is(.workspace-study-trigger,.annotation-segments button,.annotation-favorite-save){min-height:44px}}
html[dir="rtl"] .home-intro{padding:48px 6.99cqw 48px 0;background:linear-gradient(270deg,var(--bg-sidebar) 82%,transparent)}
html[dir="rtl"] .home-beto-scene{inset:0 33% 0 0}html[dir="rtl"] .home-intro h1{font-family:Arial,sans-serif;font-size:3.5cqw;line-height:1.3}
html[dir="rtl"] .feature-arrow{transform:rotate(180deg)}
@media(min-width:981px){.mobile-only{display:none}.sidebar{left:auto;inset-inline-start:auto}}
@media(max-width:1200px) and (min-width:981px){.topbar-heading{width:170px}.home-feature{grid-template-columns:48px minmax(0,1fr);gap:8px}.home-feature strong{font-size:14px}.home-feature>span:not(.pixel-feature-icon):not(.feature-arrow){font-size:11px}.home-progress-course{grid-template-columns:minmax(0,1fr) 52px 30px}.home-sidecar{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:980px){
 :root{--pixel-shell-unit:1px;--topbar-height:76px}.app{display:grid;width:100%;grid-template-columns:minmax(0,1fr);grid-template-rows:var(--topbar-height) 1fr;margin:0}.topbar{grid-column:1;grid-row:1;height:var(--topbar-height);min-height:76px;padding:12px 16px;gap:14px}.topbar-heading{width:auto;min-width:0}.brand-word{font-size:36px}.top-actions{gap:10px}.topbar-tools{order:0;gap:6px}.search{font-size:14px;padding-inline:40px 12px}.search-shortcut{display:none}.content{grid-column:1;grid-row:2}
 .sidebar{position:fixed;z-index:35;top:var(--topbar-height);left:-280px;grid-row:auto;width:220px;margin:0;min-height:0;height:calc(100dvh - var(--topbar-height));overflow-y:auto}.sidebar.open{left:0}.sidebar::after{min-height:150px}.overlay.show{z-index:30}.mobile-only{display:block}main{padding:0 12px 20px}
 #pageMount:has(.home-experience){padding:0 0 20px}.home-board{padding-inline:12px}.home-scene{margin-inline:-12px;min-height:260px}.home-intro{padding-top:5cqw}.home-intro h1{font-size:4.2cqw}.home-description{font-size:1.7cqw}.home-actions .primary{width:auto;min-height:44px;font-size:14px;padding:8px 14px;gap:10px}.home-feature-row{gap:8px}.home-feature{grid-template-columns:1fr;justify-items:center;gap:4px;padding:8px 10px;min-height:110px;text-align:center}.pixel-feature-icon{grid-row:auto;margin:0}.home-feature strong{font-size:14px}.home-feature>span:not(.pixel-feature-icon):not(.feature-arrow){font-size:11px;padding:0}.feature-arrow{display:none}
 .home-board{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}.home-sidecar{grid-template-columns:1fr 1fr}.home-course-deck{grid-template-columns:1fr 1fr}#homeProgress{grid-template-columns:110px minmax(0,1fr);gap:12px;padding:14px}#homeProgress .home-progress-ring{width:110px;height:110px;margin:0}#homeProgress>progress{width:110px}#homeProgress .home-progress-ring strong{font-size:26px}
}
@media(max-width:640px){
 :root{--topbar-height:156px}.topbar{flex-wrap:wrap;padding:8px 12px;gap:8px;border-radius:0}.topbar-heading{flex:1}.brand-word{font-size:34px}.top-actions{flex-basis:100%;width:100%;order:3;flex-direction:column;align-items:stretch;gap:8px}.topbar-tools{order:-1;justify-content:flex-end}.account-control{max-width:130px}.search-wrap{min-width:0;width:100%}.search{height:42px;font-size:12px}.language-switcher button{min-width:28px;padding:4px}
 .home-board{grid-template-columns:1fr;grid-template-areas:"scene" "features" "activity" "progress" "metrics" "syllabus" "sidecar"}.home-scene{height:360px;min-height:0;max-height:none}.home-intro,html[dir="rtl"] .home-intro{width:100%;height:210px;padding:22px;background:var(--bg-sidebar);justify-content:flex-start}.home-intro h1,html[dir="rtl"] .home-intro h1{font-size:34px}.home-description{font-size:14px;max-width:30ch}.home-actions{margin-top:12px}.home-beto-scene,html[dir="rtl"] .home-beto-scene{inset:210px 0 0;height:150px;background-size:768px 512px;background-position:-337px -78px}.home-feature-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.home-feature{grid-template-columns:52px minmax(0,1fr);justify-items:start;text-align:start;min-height:85px}.pixel-feature-icon{grid-row:1/3;margin:0}.home-feature:last-child{grid-column:1/-1}.home-feature strong{font-size:16px}.home-feature>span:not(.pixel-feature-icon):not(.feature-arrow){font-size:12px}.home-metrics{grid-template-columns:1fr 1fr}.home-sidecar{grid-template-columns:1fr}.home-course-deck{grid-template-columns:1fr}.home-section-heading h2,#homeProgress h2{font-size:22px}#homeProgress{grid-template-columns:120px minmax(0,1fr)}#homeProgress .home-progress-ring{width:120px;height:120px}.home-activity-panel{min-height:180px}
}
/* Keep shared header controls within their available inline space. */
@media(min-width:641px) and (max-width:1200px){
 .app .topbar .account-control{max-inline-size:180px;flex-shrink:1}
 .app .topbar .account-trigger .profile-nav-name,.app .topbar .account-trigger .profile-nav-identity small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
}
@media(max-width:980px){
 .app .topbar .coins-control{flex-shrink:0}
 .app .topbar .coins-control>span{display:none}
}
@media(max-width:640px){
 .app .topbar-tools{gap:4px}
 .app .topbar .ambient-audio-wrap{position:absolute;inset-block-start:10px;inset-inline-end:12px}
 .app .topbar .account-control{flex-shrink:1;min-inline-size:104px}
 /* Keep account names from growing beyond the fixed mobile header. The full
    identity stays available in the trigger's accessible name and account menu. */
 .app .topbar .account-trigger{height:44px;min-height:44px;padding:4px;gap:4px}
 .app .topbar .account-trigger .profile-nav-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
 .app .topbar .account-trigger .profile-nav-identity small{display:none}
 .app .topbar .account-control[data-profile-ready="true"]{padding:0 4px}
}
@media(max-width:360px){
 .app .topbar .account-control[data-profile-ready="true"]{min-inline-size:54px;max-inline-size:54px;flex:none;padding:0}
 .app .topbar .account-trigger .profile-nav-identity{display:none}
 .app .topbar .account-trigger{justify-content:center;gap:2px}
}
@media(prefers-reduced-motion:reduce){.home-feature,.nav-item{transition:none}}
@media(max-width:640px){.home-scene::before{display:none}.home-scene{height:414px}.home-intro,html[dir="rtl"] .home-intro{height:244px}.home-beto-scene,html[dir="rtl"] .home-beto-scene{inset:244px 0 0;height:170px;background-position:-337px -39px}#homeProgress>progress{width:120px}#homeProgress .home-progress-ring{margin:4px 0}}
@media(max-width:1200px){
 .pixel-feature-icon{width:48px;height:48px;transform:none;margin:0;background-size:1152px 768px}
 .pixel-book{background-position:-233.25px -331.5px}.pixel-note{background-position:-414.75px -331.5px}.pixel-check{background-position:-594px -331.5px}.pixel-study{background-position:-772.5px -331.5px}.pixel-beto{background-position:-948px -331.5px}
}
/* Home-only reading flow. All existing cards/data/actions stay intact. */
.home-feature-row{margin-bottom:48px;gap:20px}
.home-feature{min-height:120px;padding:20px 14px}
.home-section-heading{margin-bottom:24px}
.home-course-deck{grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:24px}
.home-course-card{padding:24px;gap:16px}
.home-sidecar{grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:24px}
.home-activity-panel{padding:24px;min-height:242px}
#homeActivity{gap:16px}.home-activity-row{min-height:76px;padding:16px}
#homeProgress{padding:24px;gap:16px 32px;grid-template-columns:190px minmax(0,1fr)}
.home-progress-courses{gap:24px;grid-template-columns:repeat(2,minmax(0,1fr))}
.home-metrics{gap:24px}.home-stat{height:auto;min-height:112px;padding:24px}
@media(max-width:1200px) and (min-width:981px){.home-feature-row{grid-template-columns:repeat(3,minmax(0,1fr))}.home-progress-courses{grid-template-columns:minmax(0,1fr)}}
@media(max-width:980px){
 .home-board{gap:40px;grid-template-areas:"scene scene" "features features" "syllabus syllabus" "progress progress" "sidecar sidecar" "activity activity" "metrics metrics";padding-bottom:40px}
 .home-scene{--home-hero-height:clamp(360px,48svh,540px);height:var(--home-hero-height)}
 .home-intro{padding-top:32px;padding-bottom:32px}.home-feature-row{grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:24px;gap:16px}
 .home-feature{min-height:124px;padding:16px}.home-feature strong{font-size:16px}.home-feature>span:not(.pixel-feature-icon):not(.feature-arrow){font-size:13px}
 .home-course-deck{grid-template-columns:repeat(2,minmax(0,1fr))}.home-progress-courses{grid-template-columns:minmax(0,1fr)}
}
@media(max-width:640px){
 .home-board{grid-template-areas:"scene" "features" "syllabus" "progress" "sidecar" "activity" "metrics";gap:32px;padding-inline:16px;padding-bottom:40px}
 .home-scene{height:414px;margin-inline:-16px}.home-intro,html[dir="rtl"] .home-intro{padding:24px;height:244px;justify-content:flex-start}
 .home-beto-scene,html[dir="rtl"] .home-beto-scene{background-size:768px 512px;background-position:-337px -39px}
 .home-feature-row,.home-course-deck,.home-sidecar,.home-metrics{grid-template-columns:minmax(0,1fr)}
 .home-feature-row{margin-bottom:16px}.home-feature{min-height:112px;grid-template-columns:64px minmax(0,1fr);gap:8px 16px;align-content:center}.home-feature:last-child{grid-column:auto}
 .home-section-heading{align-items:start;flex-wrap:wrap}.home-section-heading h2{line-height:1.3}
 #homeProgress{grid-template-columns:minmax(0,1fr);padding:20px;gap:16px}.home-progress-courses{grid-column:1/-1;grid-row:5}
 .home-activity-panel{padding:20px}.home-course-card{padding:20px}
}
/* Existing Notes focus mode hides the shell; no empty header row or implicit second column. */
html.notes-focus-mode .app{max-width:none;grid-template-rows:minmax(0,1fr);width:100%;margin:0}
html.notes-focus-mode .content{grid-column:1;grid-row:1}
/* Internal chrome: deliberately outranks legacy component-specific presentation.
   No positioning, visibility, page dimensions or input/pointer rules are changed. */
:root{--pixel-step-shadow:2px 0 var(--bg-page),-2px 0 var(--bg-page),0 2px var(--bg-page),0 -2px var(--bg-page),4px 4px var(--bg-page);--radius-sm:2px;--radius-md:2px;--radius-lg:4px;--radius-xl:4px;--radius-2xl:4px;--radius-pill:2px;--bg-elevated:var(--bg-card);color-scheme:dark}
.app :is([role="menu"],[role="listbox"],[role="dialog"],[popover],dialog,.account-dropdown,.search-status,.pixel-tooltip),
.app .notes-workspace :is(.workspace-more-panel,.workspace-page-template-menu,.pdf-zoom-menu-panel,.annotation-settings-panel,.annotation-shapes,.annotation-selection-actions,.annotation-empty-context-menu,.notes-study-menu,.notes-study-result,.annotation-crop-dialog),
body .pixel-dialog,body .pixel-tooltip{
 border:2px solid var(--betooth-muted);border-radius:2px!important;background:var(--bg-panel);color:var(--betooth-paper);box-shadow:var(--pixel-step-shadow);backdrop-filter:none
}
.app :is(.panel,.card,.beto-chat,.beto-history,.beto-source-panel,.beto-source-card,.beto-active-source,.beto-chat-list-item,.beto-message,.profile-tab-panel,.store-admin-panel,.content-admin-panel,.notes-item,.notes-folder,.notes-folder-panel){border-radius:3px!important;border-color:var(--border-subtle);background:var(--bg-panel);box-shadow:var(--pixel-edge)}
.app .notes-workspace :is(.workspace-top,.workspace-pages,.workspace-beto,.annotation-toolbar,.pdf-viewer-toolbar,.workspace-panel-controls,.annotation-tool-group){border-color:var(--border-subtle);border-radius:2px;background:var(--bg-sidebar);box-shadow:none}
.app .notes-workspace :is(.workspace-page-thumb,.workspace-page-button,.annotation-preset,.annotation-color-button,.annotation-favorite,.notes-study-flashcard,.notes-study-options button){border-radius:2px!important;box-shadow:var(--pixel-edge)}
.app :is(button,summary,[role="tab"],.button-link),body .pixel-dialog button{
 border-radius:2px!important;font-family:BetoothPixel,Arial,sans-serif;letter-spacing:.2px;text-shadow:none;backdrop-filter:none
}
.app :is(button,.button-link):not(.nav-item):not(.account-trigger):not(.language-switcher button):not(.home-actions .primary),
.app .notes-workspace :is(button,summary),body .pixel-dialog button{
 border-color:var(--betooth-muted);background:var(--bg-card);color:var(--betooth-paper);box-shadow:inset 0 -2px var(--bg-page),inset 0 1px var(--border-subtle)
}
.app :is([role="menu"],.account-dropdown,.workspace-more-panel,.pdf-zoom-menu-panel,.workspace-page-template-menu,.annotation-settings-panel,.notes-study-menu) :is(button,a),
.app .notes-workspace .annotation-empty-context-menu button{background:transparent;box-shadow:none;text-align:start}
.app :is(button,summary,.button-link,[role="tab"]):hover:not(:disabled),body .pixel-dialog button:hover{border-color:var(--pixel-cyan);background:var(--bg-hover);color:var(--betooth-paper);box-shadow:inset 2px 0 var(--pixel-cyan)}
.app :is(button,summary,.button-link):active:not(:disabled),body .pixel-dialog button:active{box-shadow:inset 2px 2px var(--bg-page);background:var(--bg-sidebar)}
.app :is([aria-pressed="true"],[aria-selected="true"],[aria-expanded="true"],[role="tab"].active),
.app .notes-workspace :is(.workspace-tool.active,.workspace-page-thumb.active,.annotation-preset.active,.annotation-shape.active),
.app .beto-mode-selector label:has(input:checked){border-color:var(--pixel-cyan);background:var(--bg-hover);box-shadow:inset 3px 0 var(--betooth-orange);border-radius:2px}
.app :is(button,input,select,textarea):disabled{opacity:.45;cursor:not-allowed;box-shadow:none}
.app :is(input:not([type="range"]):not([type="checkbox"]):not([type="radio"]),textarea,select),body .pixel-dialog input{
 border:1px solid var(--betooth-muted);border-radius:2px!important;background-color:var(--bg-page);color:var(--betooth-paper);box-shadow:inset 2px 2px var(--bg-sidebar);color-scheme:dark
}
.app select,body .pixel-dialog select{appearance:none;padding-inline-end:30px;background-image:linear-gradient(45deg,transparent 50%,var(--pixel-cyan) 50%),linear-gradient(135deg,var(--pixel-cyan) 50%,transparent 50%);background-position:calc(100% - 16px) 50%,calc(100% - 11px) 50%;background-size:5px 5px;background-repeat:no-repeat}
.app select option{background:var(--bg-panel);color:var(--betooth-paper)}
@supports(appearance:base-select){.app select,.app select::picker(select){appearance:base-select}.app select{background-image:none}.app select::picker(select){background:var(--bg-panel);border:2px solid var(--betooth-muted);border-radius:2px;box-shadow:var(--pixel-step-shadow);color:var(--betooth-paper)}.app select option{padding:8px 12px}.app select option:checked,.app select option:hover{background:var(--bg-hover);box-shadow:inset 3px 0 var(--betooth-orange)}.app select::picker-icon{color:var(--pixel-cyan)}}
.app input:is([type="checkbox"],[type="radio"]){appearance:none;width:18px;height:18px;min-width:18px;margin:3px;vertical-align:middle;border:2px solid var(--betooth-muted);border-radius:1px;background:var(--bg-page);box-shadow:1px 1px var(--bg-sidebar);accent-color:var(--pixel-cyan)}
.app input:is([type="checkbox"],[type="radio"]):checked{border-color:var(--pixel-cyan);background:var(--pixel-cyan);box-shadow:inset 0 0 0 3px var(--bg-page)}
.app input[type="radio"]:checked{background:var(--betooth-orange);border-color:var(--betooth-orange)}
.app input[type="checkbox"]:indeterminate{background:linear-gradient(var(--pixel-cyan),var(--pixel-cyan)) center/10px 3px no-repeat}
.app input[type="range"]{appearance:none;background:transparent;accent-color:var(--pixel-cyan);height:24px;min-height:24px;border-radius:0}
.app input[type="range"]::-webkit-slider-runnable-track{height:7px;border:1px solid var(--betooth-muted);border-radius:0;background:var(--bg-page)}
.app input[type="range"]::-webkit-slider-thumb{appearance:none;width:16px;height:19px;margin-top:-7px;border:2px solid var(--bg-page);border-radius:0;background:var(--pixel-cyan);box-shadow:1px 1px var(--betooth-muted)}
.app input[type="range"]::-moz-range-track{height:7px;border:1px solid var(--betooth-muted);border-radius:0;background:var(--bg-page)}
.app input[type="range"]::-moz-range-thumb{width:14px;height:17px;border:2px solid var(--bg-page);border-radius:0;background:var(--pixel-cyan)}
.app input[type="color"]{padding:3px;border:2px solid var(--betooth-muted);border-radius:2px!important;background:var(--bg-page)}
.app input[type="color"]::-webkit-color-swatch-wrapper{padding:0}.app input[type="color"]::-webkit-color-swatch{border:1px solid var(--betooth-muted);border-radius:0}.app input[type="color"]::-moz-color-swatch{border:1px solid var(--betooth-muted);border-radius:0}
.app input[type="file"]::file-selector-button{border:1px solid var(--betooth-muted);border-radius:2px;background:var(--bg-card);color:var(--betooth-paper);padding:8px 12px;font-family:BetoothPixel,Arial,sans-serif}
.app :is(progress,.progress,.progress-track,.progress-fill,.badge,.pill,.beto-status,.beto-local-badge,.store-coupon-chip){border-radius:2px!important;box-shadow:none}
.app progress::-webkit-progress-bar,.app progress::-webkit-progress-value{border-radius:0}.app progress::-moz-progress-bar{border-radius:0}
.app :is(.route-state,.empty-state,.notes-empty,.store-empty,.beto-empty,.notice,.toast,[role="alert"]){border:1px solid var(--border-subtle);border-inline-start:3px solid var(--pixel-cyan);border-radius:2px;background:var(--bg-panel);color:var(--betooth-paper);box-shadow:var(--pixel-edge)}
.app :is(.error,[data-kind="error"],[aria-invalid="true"],[role="alert"]){border-color:var(--betooth-orange)}
.app .notes-workspace :is(.annotation-setting-row,.annotation-preset-row,.annotation-favorite-row,.workspace-pages-heading,.workspace-beto h3),.app .beto-preferences{border-color:var(--border-subtle)}
/* Selected Study controls must outrank the legacy generic button exclusion chain. */
.app .notes-workspace .lecture-study-hub button:is([aria-selected="true"],[aria-pressed="true"]){border-color:var(--betooth-orange)!important;background:var(--bg-hover)!important;box-shadow:inset 3px 0 var(--betooth-orange)!important}
.app .beto-message-user{background:var(--bg-card);border:1px solid var(--betooth-muted);box-shadow:inset -3px 0 var(--pixel-cyan)}
.app .beto-message-assistant{background:var(--bg-sidebar);border:1px solid var(--border-subtle);box-shadow:inset 3px 0 var(--betooth-muted)}
.app .beto-mode-selector label{border-radius:2px;background:var(--bg-sidebar)}
.app :is(.ui-icon,.workspace-icon,.workspace-icon-button svg,.workspace-tool svg,.account-menu-row svg){stroke-linecap:square;stroke-linejoin:miter;shape-rendering:crispEdges}
.app :is(button,summary,a,input,select,textarea):focus-visible,body .pixel-dialog :focus-visible{outline:2px solid var(--betooth-orange);outline-offset:2px;box-shadow:0 0 0 2px var(--bg-page)}
html[dir="rtl"] .app :is(button,summary,.button-link):hover:not(:disabled){box-shadow:inset -2px 0 var(--pixel-cyan)}
html[dir="rtl"] .app select{background-position:16px 50%,11px 50%}
html[lang="ar"] .app :is(button,summary,[role="tab"],.button-link),html[lang="ar"] .pixel-dialog button{font-family:Arial,sans-serif;letter-spacing:0}
body .pixel-dialog{width:min(420px,calc(100vw - 32px));padding:24px;max-height:calc(100dvh - 32px);overflow:auto}
body .pixel-dialog::backdrop,.app dialog::backdrop{background:color-mix(in srgb,var(--bg-page) 82%,transparent);backdrop-filter:none}
.pixel-dialog form{display:grid;gap:18px}.pixel-dialog label{display:grid;gap:12px;font-size:16px;line-height:1.5}.pixel-dialog input{width:100%;min-height:44px;padding:10px;font:inherit}.pixel-dialog-actions{display:flex;justify-content:flex-end;gap:12px}.pixel-dialog button{min-height:42px;padding:8px 18px;border:1px solid var(--betooth-muted);font-size:16px}.pixel-dialog button[value="accept"]{border-color:var(--pixel-cyan)}
body .pixel-tooltip{position:fixed;z-index:100000;max-width:min(280px,calc(100vw - 16px));padding:7px 10px;font:14px/1.4 BetoothPixel,Arial,sans-serif;pointer-events:none}
body .pixel-validation{border-color:var(--betooth-orange);font-family:Arial,sans-serif}
html[lang="ar"] .pixel-tooltip{font-family:Arial,sans-serif}
/* Palette colors are functional annotation data, never flattened into UI colors. */
.app .notes-workspace :is(.annotation-preset,.annotation-favorite){background:var(--preset-color)!important}
.app .notes-workspace .annotation-favorite::after{border-radius:0}
.app .notes-workspace .workspace-stage{background:var(--bg-card)}
.pixel-color-preview{height:68px;border:2px solid var(--betooth-muted);box-shadow:var(--pixel-edge)}
.pixel-color-channels{display:grid;gap:10px}.pixel-color-channels label{display:grid;grid-template-columns:20px minmax(0,1fr);align-items:center}
.pixel-color-dialog input[type="range"]{appearance:none;width:100%;background:transparent;height:24px;border:0;box-shadow:none}
.pixel-color-dialog input[type="range"]::-webkit-slider-runnable-track{height:7px;border:1px solid var(--betooth-muted);background:var(--bg-page)}
.pixel-color-dialog input[type="range"]::-webkit-slider-thumb{appearance:none;width:16px;height:19px;margin-top:-7px;border:2px solid var(--bg-page);border-radius:0;background:var(--pixel-cyan)}
.pixel-color-dialog input[type="range"]::-moz-range-track{height:7px;border:1px solid var(--betooth-muted);background:var(--bg-page)}
.pixel-color-dialog input[type="range"]::-moz-range-thumb{width:14px;height:17px;border:2px solid var(--bg-page);border-radius:0;background:var(--pixel-cyan)}
.pixel-calendar-heading{display:flex;align-items:center;justify-content:space-between;gap:8px}.pixel-calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px}.pixel-calendar-grid>span{text-align:center;color:var(--betooth-light)}.pixel-date-dialog .pixel-calendar-grid button{padding:5px;min-width:0;min-height:34px}.pixel-calendar-grid button[aria-pressed="true"]{border-color:var(--pixel-cyan);box-shadow:inset 0 -3px var(--betooth-orange)}.pixel-calendar-time{display:flex;align-items:center;gap:8px}.pixel-calendar-time[hidden]{display:none}.pixel-date-dialog .pixel-calendar-time input{min-width:0;width:100%}.pixel-date-dialog .pixel-dialog-actions{flex-wrap:wrap}
.app :is(.beto-intro,.beto-quick-panel,.beto-source-card){background:var(--bg-panel);border-radius:3px;box-shadow:var(--pixel-edge)}
.app .beto-chat-head img{border-radius:2px;background:var(--bg-card);box-shadow:var(--pixel-edge)}
.app .mcq-option{border-radius:2px;background:var(--bg-panel);box-shadow:var(--pixel-edge)}
.app .mcq-option:has(input:checked):not(.is-correct):not(.is-incorrect){border-color:var(--pixel-cyan);background:var(--bg-hover);box-shadow:inset 3px 0 var(--betooth-orange)}
.app .mcq-option.is-correct{border-color:var(--pixel-cyan);background:var(--bg-hover);box-shadow:inset 3px 0 var(--pixel-cyan)}
.app .mcq-option.is-incorrect{border-color:var(--betooth-orange);background:var(--bg-panel);box-shadow:inset 3px 0 var(--betooth-orange)}
.app :is(.mcq-feedback-correct,.mcq-result-correct){color:var(--pixel-cyan)}.app :is(.mcq-feedback-incorrect,.mcq-result-incorrect){color:var(--betooth-orange)}
.app .notes-study-loading::before{border-radius:0;animation-timing-function:steps(4,end)}
@media(prefers-reduced-motion:reduce){.app :is(button,summary,.beto-message,.route-state){transition:none}}

/* Account menu presentation: existing capability checks, routes and auth button retained. */
.app .account-control .account-dropdown{width:286px;min-width:0;max-width:calc(100vw - 24px);max-height:calc(100dvh - 140px);overflow-y:auto;padding:10px;border:1px solid var(--border-active);border-radius:2px;background:var(--bg-sidebar);box-shadow:4px 4px var(--bg-page);text-align:start}
.app .account-menu-summary{display:flex;align-items:center;gap:12px;padding:8px 6px 16px;margin-bottom:6px;border-bottom:1px solid var(--border-subtle)}
.app .account-menu-summary .profile-avatar{width:48px;height:48px;flex-shrink:0;border-radius:2px;overflow:hidden;border:1px solid var(--border-active)}
.app .account-summary-identity{display:grid;gap:5px;min-width:0}
.app .account-summary-identity strong{font-size:16px;line-height:1.4;overflow-wrap:anywhere;color:var(--text-primary)}
.app .account-summary-identity small{font-size:12px;line-height:1.4;color:var(--text-secondary);overflow-wrap:anywhere}
.app .account-control .account-dropdown .account-menu-row{display:flex;align-items:center;gap:12px;padding:11px 10px;min-height:46px;border:0;border-radius:2px;box-shadow:none;background:transparent;text-align:start;font-size:14px;line-height:1.4;color:var(--text-primary)}
.app .account-menu-row .ui-icon{width:20px;height:20px;flex-shrink:0;color:var(--betooth-light)}
.app .account-row-label{min-width:0;overflow-wrap:anywhere}
.app .account-admin-heading{padding:14px 10px 6px;margin-top:8px;border-top:1px solid var(--border-subtle);font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--text-secondary)}
.app .account-admin-heading[hidden]{display:none}
.app .account-control[data-profile-ready="true"] .account-dropdown .account-action{margin-top:10px;padding:13px 10px;min-height:46px;border-top:1px solid var(--border-subtle);border-radius:0;box-shadow:none;background:transparent;font-size:14px;color:var(--betooth-orange);gap:12px}
.app .account-dropdown .account-action::before{content:'↪';font-size:22px;line-height:1;width:20px;flex-shrink:0}
.app .account-control .account-dropdown :is(.account-menu-row,.account-action):hover:not(:disabled){background:var(--bg-hover)}
.app .account-control .account-dropdown :is(.account-menu-row,.account-action):focus-visible{outline:2px solid var(--betooth-orange);outline-offset:-2px;background:var(--bg-hover)}
.app .account-control .account-dropdown :is(.account-menu-row,.account-action):active:not(:disabled){background:var(--bg-panel);box-shadow:inset 3px 0 var(--betooth-orange)}
.app .account-dropdown :is([aria-disabled="true"],button:disabled){opacity:.5;cursor:not-allowed}
@media(max-width:700px){.app .account-control .account-dropdown{width:280px;max-height:calc(100dvh - 120px)}}

/* Competitive leaderboard presentation; repository order and values are unchanged. */
.app #pageMount .leaderboard-page{max-width:1040px;margin-inline:auto;padding-bottom:40px}
.app #pageMount .leaderboard-page .dash-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;padding:24px 28px;border-radius:16px;background:linear-gradient(135deg,#10242D 0%,#173847 55%,#0E1B22 100%);border:1px solid rgba(45,212,191,0.28);box-shadow:0 8px 32px rgba(0,0,0,0.35)}
.app #pageMount .leaderboard-page .dash-head h2{margin:0 0 6px;font-size:28px;font-weight:900;color:#FFFFFF;letter-spacing:-0.02em}
.app #pageMount .leaderboard-page .dash-head p{margin:0;font-size:14px;color:#94A3B8}
.app #pageMount .leaderboard-page .dash-head [data-leaderboard-refresh]{border-radius:10px;padding:9px 20px;background:rgba(45,212,191,0.12);border:1px solid rgba(45,212,191,0.35);color:#2DD4BF;font-weight:800;font-size:13px;cursor:pointer;transition:all 0.16s ease}
.app #pageMount .leaderboard-page .dash-head [data-leaderboard-refresh]:hover{background:#2DD4BF;color:#0E1B21;box-shadow:0 4px 14px rgba(45,212,191,0.35);transform:translateY(-1px)}

/* Interactive Segmented Tabs */
.app #pageMount .leaderboard-tabs{display:flex;gap:6px;margin:0 0 12px;padding:5px;border:1px solid rgba(143,174,184,0.18);border-radius:12px;background:#0E1A1F;backdrop-filter:blur(10px);flex-wrap:wrap}
.app #pageMount .leaderboard-tabs button{min-height:42px;padding:8px 18px;border:1px solid transparent;border-radius:8px;background:transparent;font-size:13px;font-weight:700;color:#94A3B8;cursor:pointer;transition:all 0.16s ease}
.app #pageMount .leaderboard-tabs button:hover{background:rgba(255,255,255,0.06);color:#FFFFFF}
.app #pageMount .leaderboard-tabs button[aria-selected="true"]{border-color:rgba(45,212,191,0.6);background:linear-gradient(135deg,rgba(45,212,191,0.22) 0%,rgba(16,78,90,0.35) 100%);color:#FFFFFF;box-shadow:0 4px 14px rgba(45,212,191,0.25)}

.app #pageMount .leaderboard-explanation{font-size:13px;margin:4px 0 20px;padding:10px 16px;border-radius:10px;background:rgba(45,212,191,0.08);border-inline-start:3px solid #2DD4BF;color:#CBD5E1;line-height:1.5}

/* 🏆 The Podium: 2nd (Left) - 1st (Center, Gold) - 3rd (Right, Bronze) */
.app #pageMount .leaderboard-podium{display:grid;grid-template-columns:1fr 1.16fr 1fr;gap:20px;align-items:end;margin:24px 0 32px}
.app #pageMount .leaderboard-person{min-width:0;box-shadow:none;border-radius:16px;text-decoration:none;color:inherit;transition:all 0.2s cubic-bezier(0.16,1,0.3,1)}

.app #pageMount .leaderboard-person.podium{display:flex;flex-direction:column;align-items:center;text-align:center;position:relative;overflow:hidden;padding:24px 18px 20px;min-height:266px;gap:10px;border-radius:18px;justify-content:center}

/* Rank 1: Royal Gold Champion 👑 */
.app #pageMount .leaderboard-person.podium.rank-1{min-height:304px;padding:28px 22px 24px;border:2px solid #FFC107;background:radial-gradient(ellipse at top,rgba(255,193,7,0.32) 0%,rgba(255,152,0,0.14) 45%,#0F1F27 100%);box-shadow:0 16px 48px rgba(255,184,0,0.3),inset 0 2px 14px rgba(255,215,0,0.35)}
.app #pageMount .leaderboard-person.podium.rank-1::before{content:'👑';font-size:32px;line-height:1;margin-bottom:-4px;filter:drop-shadow(0 4px 10px rgba(255,184,0,0.7))}
.app #pageMount .leaderboard-person.podium.rank-1 .leaderboard-rank{font-size:14px;font-weight:900;color:#0E1B21;background:linear-gradient(135deg,#FFD54F 0%,#FF9800 100%);padding:4px 16px;border-radius:999px;box-shadow:0 4px 14px rgba(255,152,0,0.5);letter-spacing:0.04em}
.app #pageMount .leaderboard-person.podium.rank-1 .profile-avatar{width:90px;height:90px;border:3.5px solid #FFC107;box-shadow:0 0 26px rgba(255,193,7,0.6),0 0 0 4px rgba(255,193,7,0.25)}
.app #pageMount .leaderboard-person.podium.rank-1 .leaderboard-value{font-size:30px;font-weight:900;color:#FFD54F;text-shadow:0 2px 16px rgba(255,213,79,0.5)}

/* Rank 2: Sterling Silver 🥈 */
.app #pageMount .leaderboard-person.podium.rank-2{border:1.5px solid rgba(226,232,240,0.75);background:radial-gradient(ellipse at top,rgba(226,232,240,0.26) 0%,rgba(148,163,184,0.1) 45%,#0F1F27 100%);box-shadow:0 12px 36px rgba(203,213,225,0.22),inset 0 2px 10px rgba(255,255,255,0.25)}
.app #pageMount .leaderboard-person.podium.rank-2::before{content:'🥈';font-size:26px;line-height:1;margin-bottom:-4px;filter:drop-shadow(0 2px 8px rgba(226,232,240,0.5))}
.app #pageMount .leaderboard-person.podium.rank-2 .leaderboard-rank{font-size:13px;font-weight:900;color:#0E1B21;background:linear-gradient(135deg,#FFFFFF 0%,#94A3B8 100%);padding:3px 14px;border-radius:999px;box-shadow:0 3px 10px rgba(203,213,225,0.4)}
.app #pageMount .leaderboard-person.podium.rank-2 .profile-avatar{width:76px;height:76px;border:3px solid #E2E8F0;box-shadow:0 0 20px rgba(226,232,240,0.45)}
.app #pageMount .leaderboard-person.podium.rank-2 .leaderboard-value{font-size:24px;font-weight:800;color:#E2E8F0;text-shadow:0 2px 10px rgba(226,232,240,0.3)}

/* Rank 3: Radiant Bronze 🥉 */
.app #pageMount .leaderboard-person.podium.rank-3{border:1.5px solid rgba(217,119,6,0.75);background:radial-gradient(ellipse at top,rgba(217,119,6,0.26) 0%,rgba(180,83,9,0.1) 45%,#0F1F27 100%);box-shadow:0 12px 36px rgba(205,127,50,0.22),inset 0 2px 10px rgba(245,158,11,0.25)}
.app #pageMount .leaderboard-person.podium.rank-3::before{content:'🥉';font-size:26px;line-height:1;margin-bottom:-4px;filter:drop-shadow(0 2px 8px rgba(217,119,6,0.5))}
.app #pageMount .leaderboard-person.podium.rank-3 .leaderboard-rank{font-size:13px;font-weight:900;color:#0E1B21;background:linear-gradient(135deg,#FBBF24 0%,#B45309 100%);padding:3px 14px;border-radius:999px;box-shadow:0 3px 10px rgba(217,119,6,0.4)}
.app #pageMount .leaderboard-person.podium.rank-3 .profile-avatar{width:76px;height:76px;border:3px solid #F59E0B;box-shadow:0 0 20px rgba(217,119,6,0.45)}
.app #pageMount .leaderboard-person.podium.rank-3 .leaderboard-value{font-size:24px;font-weight:800;color:#FBBF24;text-shadow:0 2px 10px rgba(245,158,11,0.3)}

.app #pageMount .leaderboard-person .profile-avatar{border-radius:50%;flex-shrink:0;overflow:hidden;background:var(--bg-panel)}
.app #pageMount .leaderboard-person .leaderboard-identity{display:grid;gap:4px;align-content:center;justify-items:start}
.app #pageMount .leaderboard-person.podium .leaderboard-identity{justify-items:center}
.app #pageMount .leaderboard-identity strong{font-size:16px;font-weight:800;color:#FFFFFF;line-height:1.4;overflow-wrap:anywhere}
.app #pageMount .leaderboard-identity .profile-handle{font-size:12px;color:#94A3B8;line-height:1.4;overflow-wrap:anywhere;max-width:100%}
.app #pageMount .leaderboard-person .you-badge{border-radius:999px;padding:3px 11px;font-size:11px;font-weight:800;color:#0E1B21;background:linear-gradient(135deg,#FF9E44,#F57C00);box-shadow:0 2px 8px rgba(255,158,68,0.4)}
.app #pageMount .leaderboard-value{font-variant-numeric:tabular-nums;line-height:1.4;white-space:normal;overflow-wrap:anywhere}

/* 🎖️ Ranks 4+ List */
.app #pageMount .leaderboard-list{display:grid;gap:10px}
.app #pageMount .leaderboard-person.row{padding:12px 16px;grid-template-columns:38px 46px minmax(0,1fr) auto;gap:16px;min-height:74px;align-items:center;border-radius:14px;background:linear-gradient(135deg,#132731 0%,#0E1C22 100%);border:1px solid rgba(143,174,184,0.16);box-shadow:0 4px 16px rgba(0,0,0,0.22)}
.app #pageMount .leaderboard-person.row:hover{transform:translateX(-3px) translateY(-1px);border-color:rgba(45,212,191,0.5);background:linear-gradient(135deg,#16323F 0%,#10232B 100%);box-shadow:0 8px 24px rgba(0,0,0,0.35),0 0 16px rgba(45,212,191,0.15)}
.app #pageMount .leaderboard-person.row .leaderboard-rank{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:rgba(143,174,184,0.12);color:#94A3B8;font-size:14px;font-weight:800}
.app #pageMount .leaderboard-person.row.is-you{border-inline-start:4px solid var(--betooth-orange)!important;background:linear-gradient(90deg,rgba(255,158,68,0.18) 0%,#112832 100%)!important;border-color:rgba(255,158,68,0.45)!important;box-shadow:0 6px 24px rgba(255,158,68,0.2)!important}
.app #pageMount .leaderboard-person.row.is-you .leaderboard-rank{background:rgba(255,158,68,0.25)!important;color:#FF9E44!important;font-weight:900!important}
.app #pageMount .leaderboard-person.row .profile-avatar{width:46px;height:46px;border:2px solid rgba(143,174,184,0.25)}
.app #pageMount .leaderboard-person.row .leaderboard-value{text-align:end;max-width:240px;color:#2DD4BF;font-weight:800;font-size:16px}

/* 🌟 Personal Rank Card */
.app #pageMount .your-rank-card{margin-top:16px;padding:22px 28px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;border:1.5px solid rgba(255,158,68,0.45);border-radius:16px;background:linear-gradient(110deg,rgba(255,158,68,0.16) 0%,#10242D 100%);box-shadow:inset 4px 0 var(--betooth-orange),0 10px 30px rgba(0,0,0,0.35),0 0 20px rgba(255,158,68,0.15)}
.app #pageMount :is(.your-rank-identity,.your-rank-metric){display:grid;gap:6px;min-width:0}
.app #pageMount .your-rank-card span{font-size:13px;color:#CBD5E1;font-weight:600;text-transform:uppercase;letter-spacing:0.04em}
.app #pageMount .your-rank-card strong{font-size:28px;line-height:1.3;color:#FF9E44;overflow-wrap:anywhere;font-variant-numeric:tabular-nums;font-weight:900;text-shadow:0 2px 14px rgba(255,158,68,0.4)}
.app #pageMount .your-rank-identity strong{font-size:36px}

.app #pageMount .leaderboard-empty{display:flex;align-items:center;gap:16px;margin:8px 0;padding:24px;background:#0E1A1F;border:1px dashed rgba(143,174,184,0.25);border-radius:14px}
.app #pageMount .leaderboard-empty-mark{font-size:32px;color:var(--betooth-light)}
@media(max-width:1100px){.app #pageMount .leaderboard-podium{gap:12px}.app #pageMount .leaderboard-person.podium{padding:18px 12px}.app #pageMount .leaderboard-person.podium .leaderboard-value{font-size:20px}.app #pageMount .leaderboard-person.podium.rank-1 .leaderboard-value{font-size:24px}}
@media(max-width:700px){.app #pageMount .leaderboard-podium{grid-template-columns:1fr;align-items:stretch;margin:16px 0}.app #pageMount .leaderboard-person.podium,.app #pageMount .leaderboard-person.podium.rank-1{min-height:0;display:grid;grid-template-columns:34px 56px minmax(0,1fr);padding:16px;gap:10px;text-align:start}.app #pageMount .leaderboard-person.podium.rank-1{order:-1}.app #pageMount .leaderboard-person.podium .profile-avatar,.app #pageMount .leaderboard-person.podium.rank-1 .profile-avatar{width:56px;height:56px}.app #pageMount .leaderboard-person.podium .leaderboard-identity{justify-items:start}.app #pageMount .leaderboard-person.podium .leaderboard-value{grid-column:3}.app #pageMount .leaderboard-person.row{grid-template-columns:30px 40px minmax(0,1fr);gap:10px;padding:12px}.app #pageMount .leaderboard-person.row .profile-avatar{width:40px;height:40px}.app #pageMount .leaderboard-person.row .leaderboard-value{grid-column:3;text-align:start;max-width:none}.app #pageMount .your-rank-card{padding:16px;gap:16px}.app #pageMount .your-rank-card strong{font-size:23px}.app #pageMount .leaderboard-tabs button{padding:10px 12px}.app #pageMount .leaderboard-page .dash-head{flex-wrap:wrap}}

/* Store catalog presentation only: prices, inventory, cart and orders remain authoritative. */
.app #pageMount .store-page{max-width:none;min-width:0}
.app #pageMount .store-page .store-header{gap:18px;align-items:center;padding-bottom:16px}
.app #pageMount .store-page .store-local-nav{display:flex;gap:4px;padding:4px;border-bottom:1px solid var(--border-subtle);flex-wrap:wrap}
.app #pageMount .store-page .store-local-nav a{min-height:44px;padding:10px 14px;background:transparent;border:0;box-shadow:none;color:var(--betooth-light);text-decoration:none}
.app #pageMount .store-page .store-local-nav a[aria-current=page]{background:var(--bg-hover);color:var(--betooth-paper);box-shadow:inset 0 -3px var(--betooth-orange)}
.app #pageMount .store-page .store-local-nav a:hover{background:var(--bg-hover);color:var(--betooth-paper)}
.app #pageMount .store-page .store-category-filter{gap:6px;padding:0 0 4px;flex-wrap:wrap;overflow:visible}
.app #pageMount .store-page .store-category-filter a{min-height:36px;padding:6px 12px;font-size:12px;box-shadow:none}
.app #pageMount .store-page .store-category-filter a.active{color:var(--betooth-light);border-color:var(--betooth-muted)}
.app #pageMount .store-page .store-content{gap:14px}
.app #pageMount .store-page .store-section-title{margin:2px 0;font-size:20px}
.app #pageMount .store-page .store-catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:start;width:100%;min-width:0}
.app #pageMount .store-page .store-catalog-grid:has(>.store-product-card:only-child){grid-template-columns:minmax(0,1fr);max-width:860px;margin-inline:auto}
.app #pageMount .store-page .store-catalog-grid:has(>:nth-child(2)):not(:has(>:nth-child(3))){grid-template-columns:repeat(2,minmax(0,1fr));max-width:940px;margin-inline:auto}
.app #pageMount .store-page .store-product-card{min-width:0;border:1px solid var(--border-subtle);background:var(--bg-sidebar);box-shadow:var(--pixel-edge);overflow:hidden}
.app #pageMount .store-page .store-product-card:hover{border-color:var(--betooth-muted);transform:none}
.app #pageMount .store-page .store-product-media{display:grid;place-items:center;width:100%;aspect-ratio:16/10;background:var(--bg-panel);overflow:hidden;min-width:0}
.app #pageMount .store-page .store-product-image{display:block;width:100%;height:100%;aspect-ratio:auto;object-fit:contain;padding:12px}
.app #pageMount .store-page .store-thumbnail-placeholder{display:grid;place-items:center;align-content:center;gap:10px;width:100%;height:100%;padding:20px;color:var(--betooth-light);background:repeating-linear-gradient(0deg,transparent 0 31px,var(--border-subtle) 31px 32px),repeating-linear-gradient(90deg,transparent 0 31px,var(--border-subtle) 31px 32px)}
.app #pageMount .store-page .store-thumbnail-placeholder .ui-icon{width:58px;height:58px;stroke:var(--betooth-muted)}
.app #pageMount .store-page .store-thumbnail-placeholder strong{font:600 20px/1.2 BetoothPixel,Arial,sans-serif;letter-spacing:.05em}
.app #pageMount .store-page .store-thumbnail-placeholder span{font-size:12px;color:var(--text-secondary);text-align:center}
.app #pageMount .store-page .store-product-body{display:grid;align-content:center;gap:12px;min-width:0;padding:20px}
.app #pageMount .store-page .store-product-identity{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px}
.app #pageMount .store-page .store-brand{color:var(--betooth-light);font-weight:700;letter-spacing:.07em}
.app #pageMount .store-page .store-product-body h3{font-size:22px;line-height:1.4;overflow-wrap:anywhere;margin:0}
.app #pageMount .store-page .store-product-body .store-price{font-size:28px;line-height:1.3;font-weight:800;color:var(--betooth-paper);margin:0;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.app #pageMount .store-page .store-stock{display:inline-flex;align-items:center;gap:7px;justify-self:start;width:auto;font-size:12px;padding:4px 8px;border:1px solid var(--betooth-muted);color:var(--betooth-light);background:var(--bg-panel)}
.app #pageMount .store-page .store-stock::before{content:'';width:6px;height:6px;background:var(--betooth-light);flex:none}
.app #pageMount .store-page .store-stock.is-out{color:var(--betooth-orange);border-color:var(--border-subtle)}
.app #pageMount .store-page .store-stock.is-out::before{background:var(--betooth-orange)}
.app #pageMount .store-page .store-product-body .store-product-cta{display:flex;align-items:center;justify-content:center;min-height:46px;margin:2px 0 0;padding:10px 16px;background:var(--betooth-orange);color:var(--betooth-deep);border:1px solid var(--betooth-orange);font-size:14px;font-weight:700;text-decoration:none;box-shadow:var(--pixel-edge);text-align:center;white-space:normal}
.app #pageMount .store-page .store-product-body .store-product-cta:hover{border-color:var(--betooth-light);background:var(--betooth-orange);color:var(--betooth-deep)}
.app #pageMount .store-page .store-catalog-grid:has(>.store-product-card:only-child)>.store-product-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.app #pageMount .store-page .store-catalog-grid:has(>.store-product-card:only-child) .store-product-media{height:100%;min-height:280px;aspect-ratio:auto}
.app #pageMount .store-page .store-gallery .store-product-media{height:100%;min-height:300px;aspect-ratio:4/3}
.app #pageMount .store-page .store-gallery .store-product-image{object-fit:contain}
.app #pageMount .store-page .store-empty{padding:28px;gap:10px;min-height:0;border:1px dashed var(--border-subtle);box-shadow:none}
.app #pageMount .store-page .store-empty .store-empty-icon{width:48px;height:48px;color:var(--betooth-muted)}
.app #pageMount .store-page .store-empty p{margin:0;max-width:48ch;line-height:1.6}
@media(max-width:1100px){.app #pageMount .store-page .store-catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}}
@media(max-width:640px){
 .app #pageMount .store-page .store-header{align-items:stretch;gap:12px}
 .app #pageMount .store-page .store-local-nav{width:100%;justify-content:space-between}
 .app #pageMount .store-page .store-local-nav a{flex:1;padding-inline:7px;text-align:center;font-size:13px}
 .app #pageMount .store-page .store-catalog-grid,
 .app #pageMount .store-page .store-catalog-grid:has(>:nth-child(2)):not(:has(>:nth-child(3))),
 .app #pageMount .store-page .store-catalog-grid:has(>.store-product-card:only-child)>.store-product-card{grid-template-columns:minmax(0,1fr)}
 .app #pageMount .store-page .store-catalog-grid:has(>.store-product-card:only-child) .store-product-media{height:auto;min-height:0;aspect-ratio:16/10}
 .app #pageMount .store-page .store-product-body{padding:16px}
}

/* Ask Beto presentation: two areas, optional source drawer, unchanged AI contracts. */
.app #pageMount .beto-page{max-width:none;min-width:0}
.app #pageMount .beto-page .beto-intro{display:flex;align-items:center;gap:12px;padding:0 0 12px;min-height:0;overflow:visible}
.app #pageMount .beto-page .beto-assistant-image{display:block;width:44px;height:54px;object-fit:cover;object-position:top;flex:none;margin:0}
.app #pageMount .beto-page .beto-intro-copy{padding:0;min-width:0;flex:1}
.app #pageMount .beto-page .beto-intro h1{font-size:26px;margin:0 0 2px}
.app #pageMount .beto-page .beto-intro p{font-size:13px;margin:0}
.app #pageMount .beto-page .beto-status{font-size:11px;padding:0;margin-top:4px;background:none;border:0}
.app #pageMount .beto-page .beto-header-controls{display:flex;align-items:center;gap:6px;flex:none}
.app #pageMount .beto-page .beto-header-controls :is(button,summary){min-height:44px;min-width:44px}
.app #pageMount .beto-page .beto-workspace{display:grid;grid-template-columns:220px minmax(0,1fr);gap:18px;align-items:start;margin-top:16px}
.app #pageMount .beto-page :is(.beto-history,.beto-chat){min-width:0;border:0;background:none;box-shadow:none;padding:0;grid-row:auto}
.app #pageMount .beto-page .beto-history{gap:10px;border-inline-end:1px solid var(--border-subtle);padding-inline-end:14px}
.app #pageMount .beto-page .beto-history h2{font-size:14px;margin:4px 0}
.app #pageMount .beto-page .beto-chat-search input{width:100%;min-width:0;min-height:44px;font-size:13px}
.app #pageMount .beto-page .beto-chat-list{display:grid;gap:4px;max-height:55dvh;overflow:auto;padding:2px}
.app #pageMount .beto-page .beto-chat-list-item{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 36px;align-items:start;gap:2px;min-width:0;border:0;background:none;box-shadow:none;padding:3px}
.app #pageMount .beto-page .beto-chat-list-item.is-current{background:var(--bg-hover);box-shadow:inset 3px 0 var(--betooth-orange)}
.app #pageMount .beto-page .beto-chat-link{min-width:0;min-height:44px;display:block;padding:8px;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:start;background:none;border:0;box-shadow:none}
.app #pageMount .beto-page .beto-chat-overflow{position:relative}
.app #pageMount .beto-page .beto-chat-overflow summary{min-height:44px;display:grid;place-items:center;cursor:pointer;list-style:none;font-size:20px}
.app #pageMount .beto-page .beto-chat-overflow summary::-webkit-details-marker{display:none}
.app #pageMount .beto-page .beto-chat-actions-group{position:relative;z-index:5;display:grid;gap:4px;width:170px;margin-inline-start:-136px;padding:6px;border:1px solid var(--betooth-muted);background:var(--bg-sidebar);box-shadow:var(--pixel-edge)}
.app #pageMount .beto-page .beto-chat-actions-group button{width:100%;min-height:44px;font-size:13px;text-align:start}
.app #pageMount .beto-page :is(.beto-chat-rename-editor,.beto-chat-delete-confirm){grid-column:1/-1;min-width:0}
.app #pageMount .beto-page .beto-chat-head{display:none}
.app #pageMount .beto-page .beto-message-log{min-height:340px;max-height:none;overflow:visible;padding:12px clamp(0px,2vw,28px) 22px;gap:22px}
.app #pageMount .beto-page .beto-message{position:relative;width:auto;max-width:100%;border:0;background:none;box-shadow:none;padding:0;font-size:16px;line-height:1.75}
.app #pageMount .beto-page .beto-message-assistant{justify-self:stretch;padding-inline-start:46px;border:0}
.app #pageMount .beto-page .beto-message-avatar{position:absolute;inset-inline-start:0;top:0;width:32px;height:40px;object-fit:cover;object-position:top}
.app #pageMount .beto-page .beto-message-author{font-size:12px;color:var(--betooth-light);margin-bottom:8px}
.app #pageMount .beto-page .beto-message-user{justify-self:end;max-width:min(78%,680px);padding:12px 16px;background:var(--bg-hover);border:1px solid var(--border-subtle);box-shadow:2px 2px var(--bg-page)}
.app #pageMount .beto-page .beto-message-content{overflow-wrap:anywhere;min-width:0}
.app #pageMount .beto-page .beto-message-content :is(p,ul,ol){margin-bottom:.8em}
.app #pageMount .beto-page .beto-message-content code{direction:ltr;unicode-bidi:isolate;white-space:pre-wrap}
.app #pageMount .beto-page .beto-message-sources{min-height:44px;font-size:12px;margin-top:10px;color:var(--betooth-light);background:none;border:1px solid var(--border-subtle)}
.app #pageMount .beto-page .beto-welcome{display:grid;place-items:center;text-align:center;align-content:center;min-height:320px;gap:10px;padding:18px}
.app #pageMount .beto-page .beto-welcome img{width:84px;height:104px;object-fit:cover;object-position:top}
.app #pageMount .beto-page .beto-welcome h3{font:600 24px/1.4 BetoothPixel,Arial,sans-serif;margin:0}
.app #pageMount .beto-page .beto-welcome p{max-width:44ch;margin:0;color:var(--text-secondary);font-size:14px;line-height:1.7}
.app #pageMount .beto-page .beto-composer{position:sticky;bottom:8px;z-index:4;display:grid;gap:8px;padding:12px;border:1px solid var(--betooth-muted);background:var(--bg-sidebar);box-shadow:var(--pixel-edge)}
.app #pageMount .beto-page .beto-composer textarea{width:100%;min-height:64px;max-height:200px;padding:8px;background:transparent;border:0;box-shadow:none;color:var(--betooth-paper);font-size:16px;line-height:1.6;resize:none;overflow-y:auto}
.app #pageMount .beto-page .beto-composer-row{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-direction:row}
.app #pageMount .beto-page .beto-mode-selector{display:flex;gap:2px;margin:0;flex-wrap:nowrap}
.app #pageMount .beto-page .beto-mode-selector label{display:flex;min-width:0;min-height:44px;gap:5px;padding:5px 10px;font-size:12px;background:transparent;border:1px solid transparent;box-shadow:none}
.app #pageMount .beto-page .beto-mode-selector label:has(input:checked){border-color:var(--betooth-muted);background:var(--bg-hover);box-shadow:inset 2px 0 var(--betooth-orange)}
.app #pageMount .beto-page .beto-composer button[type=submit]{min-height:44px;padding:8px 20px;background:var(--betooth-orange);color:var(--betooth-deep)}
.app #pageMount .beto-page .beto-composer-hint{margin:0;font-size:11px;line-height:1.5;color:var(--text-secondary)}
.app #pageMount .beto-page .beto-active-source{padding:5px 0;margin:0 0 8px;border:0;box-shadow:none;background:none;font-size:12px}
.app #pageMount .beto-page .beto-source-panel{position:fixed;inset:96px 16px 16px auto;z-index:1100;width:min(370px,calc(100vw - 32px));overflow-y:auto;padding:16px;background:var(--bg-sidebar);border:2px solid var(--betooth-muted);box-shadow:var(--pixel-edge),-8px 0 24px var(--bg-page);grid-column:auto}
.app[dir=rtl] #pageMount .beto-page .beto-source-panel{inset-inline-start:16px;inset-inline-end:auto}
.app #pageMount .beto-page .beto-source-panel[hidden]{display:none!important}
.app #pageMount .beto-page .beto-source-panel:has(.beto-source-card)>p{display:none}
.app #pageMount .beto-page .beto-drawer-close{min-height:44px;float:inline-end}
.app #pageMount .beto-page .beto-preferences{margin:0;padding:0;border:0}
.app #pageMount .beto-page .beto-preferences summary{display:grid;place-items:center;cursor:pointer;list-style:none}
.app #pageMount .beto-page .beto-preferences summary::-webkit-details-marker{display:none}
.app #pageMount .beto-page .beto-preferences form{position:fixed;z-index:1100;inset:96px 16px auto auto;width:min(400px,calc(100vw - 32px));max-height:calc(100dvh - 112px);overflow:auto;padding:16px;background:var(--bg-sidebar);border:2px solid var(--betooth-muted);box-shadow:var(--pixel-edge);display:grid;grid-template-columns:1fr;gap:12px}
.app #pageMount .beto-page .beto-preference-actions{display:flex;flex-wrap:wrap;gap:8px}
.app #pageMount .beto-page #betoHistoryClose,.app #pageMount .beto-page #betoHistoryToggle{display:none}
.app #pageMount .beto-page [hidden]{display:none!important}
@media(max-width:1100px){
 .app #pageMount .beto-page .beto-workspace{grid-template-columns:minmax(0,1fr)}
 .app #pageMount .beto-page #betoHistoryToggle{display:block}
 .app #pageMount .beto-page .beto-history{display:none;position:fixed;inset:96px auto 16px 16px;z-index:1100;width:min(300px,calc(100vw - 32px));padding:14px;border:2px solid var(--betooth-muted);background:var(--bg-sidebar);max-height:calc(100dvh - 112px);overflow-y:auto}
 .app #pageMount .beto-page .beto-history.is-open{display:grid}
 .app #pageMount .beto-page #betoHistoryClose{display:block}
 .app #pageMount .beto-page .beto-chat-list{max-height:none;overflow:visible}
}
@media(max-width:640px){
 .app #pageMount .beto-page .beto-intro{flex-wrap:wrap;gap:8px}
 .app #pageMount .beto-page .beto-header-controls{width:100%;justify-content:flex-end}
 .app #pageMount .beto-page .beto-message-log{padding-inline:0;min-height:260px}
 .app #pageMount .beto-page .beto-message-assistant{padding-inline-start:36px}
 .app #pageMount .beto-page .beto-message-avatar{width:26px;height:34px}
 .app #pageMount .beto-page .beto-message-user{max-width:90%}
 .app #pageMount .beto-page .beto-welcome h3{font-size:20px}
 .app #pageMount .beto-page .beto-welcome{min-height:250px;padding:12px}
}

/* Page frames: compact title / filter strip / content, as in the internal reference. */
.app #pageMount>.page:not(.home-experience):not(.notes-workspace){max-width:none;margin:2px 0 0;padding:18px;min-height:calc(100dvh - var(--topbar-height) - 30px);border:2px solid var(--border-subtle);border-radius:3px;background:var(--bg-panel);box-shadow:var(--pixel-edge)}
.app #pageMount>.page.public-profile-page:not(.home-experience):not(.notes-workspace){min-height:0}
/* Closed Community states size to their content; the member feed keeps its layout. */
.app #pageMount>.community-page:has(#communityMount>.community-locked){min-height:0}
.app :is(.course-page-head,.mcq-page-head,.dash-head,.store-header,.pixel-page-head,.notes-hero){display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 0 14px;margin:0 0 16px;border:0;border-bottom:2px solid var(--border-subtle);border-radius:0;background:none;box-shadow:none}
.app :is(.course-page-head,.mcq-page-head,.dash-head,.store-header,.pixel-page-head,.notes-hero) :is(h1,h2){font-size:28px;line-height:1.15;margin:0 0 6px;letter-spacing:0}
.app :is(.course-page-head,.mcq-page-head,.dash-head,.store-header,.pixel-page-head,.notes-hero) p{font-size:14px;line-height:1.5;margin:0;color:var(--betooth-light);max-width:72ch}
.app :is(.course-page-head,.mcq-page-head) .eyebrow{display:none}
.app :is(.course-module-mount,.mcq-module-mount){display:grid;gap:16px}
.app .pixel-catalog-controls{display:grid;gap:10px;margin-bottom:0}
.pixel-catalog-search{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:12px;font-size:14px;color:var(--betooth-light)}
.app .pixel-catalog-search input{min-height:44px;width:100%;padding:8px 12px}
.pixel-category-filters{display:flex;gap:4px;flex-wrap:wrap;border-bottom:1px solid var(--border-subtle);padding:0 0 10px}
.app .pixel-category-filters button{min-height:40px;padding:6px 12px;font-size:14px;box-shadow:none;background:none;border:1px solid transparent}
.app .pixel-category-filters button[aria-pressed="true"]{border-color:var(--betooth-orange);color:var(--betooth-paper);background:var(--bg-hover);box-shadow:inset 0 -2px var(--betooth-orange)}
.pixel-catalog-count{margin:0;color:var(--betooth-light);font-size:13px}
.app :is(.course-grid,.mcq-bank-grid).pixel-catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;align-items:stretch}
.app .pixel-catalog-grid>[hidden]{display:none!important}
.app :is(.course-card,.mcq-bank-card){display:flex;flex-direction:column;gap:8px;min-width:0;padding:12px;border:2px solid var(--border-subtle);border-radius:3px;background:var(--bg-sidebar);box-shadow:var(--pixel-edge);container-type:inline-size}
.app :is(.course-card,.mcq-bank-card):hover{transform:none;border-color:var(--pixel-cyan)}
.app :is(.course-card,.mcq-bank-card) h3{font:600 20px/1.3 BetoothPixel,Arial,sans-serif;letter-spacing:0;margin:0;overflow-wrap:anywhere}
.app :is(.course-card,.mcq-bank-card)>p{margin:0;font-size:13px;line-height:1.5;color:var(--betooth-light)}
.app :is(.course-card,.mcq-bank-card)>.eyebrow{font-size:12px;line-height:1.4;letter-spacing:0;color:var(--pixel-cyan)}
.app :is(.course-meta,.mcq-meta){display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin:2px 0;font-size:12px}
.app :is(.course-meta,.mcq-meta) :is(dt,dd){margin:0}.app :is(.course-meta,.mcq-meta) dt{color:var(--betooth-light)}
.app :is(.course-cta,.mcq-card-cta){width:100%;margin-top:auto;font-size:14px;min-height:40px;padding:6px 10px}
.app .pixel-card-details{font-size:13px;color:var(--betooth-light);border-top:1px solid var(--border-subtle);padding-top:4px}.app .pixel-card-details summary{min-height:32px;padding:6px 0;color:var(--pixel-cyan);font-size:14px}.app .pixel-card-details p{line-height:1.5;margin:6px 0}.app .pixel-card-details .course-meta,.app .pixel-card-details .mcq-meta{margin:8px 0}
.app .course-progress-block{margin:4px 0;padding:0}.app .course-progress-meta{font-size:13px;gap:8px}.app .course-progress{height:10px;margin:6px 0 0}
/* Atlas crops contain only supplied illustration areas, never screenshot labels or fake data. */
.pixel-course-art{aspect-ratio:90/60;width:100%;max-height:190px;border:1px solid var(--border-subtle);background-color:var(--bg-card);background-image:url('../assets/pixel/internal-reference.png');background-size:1706.6667cqw 1137.7778cqw;background-position:-927.7778cqw -156.6667cqw;image-rendering:pixelated;overflow:hidden}
.pixel-course-art[data-art="oral"]{background-position:-1044.4444cqw -156.6667cqw}
.pixel-course-art[data-art="science"]{background-position:-1162.2222cqw -156.6667cqw}
.pixel-course-art[data-art="anatomy"]{background-position:-927.7778cqw -305.5556cqw}
.pixel-course-art[data-art="operative"]{background-position:-1044.4444cqw -305.5556cqw}
/* Courses fill only occupied tracks; MCQ catalog geometry stays unchanged. */
.app .course-page .course-module-mount{width:100%;min-width:0}
.app .course-page .course-grid.pixel-catalog-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,max(280px,calc((100% - 2 * var(--space-4))/3))),1fr));gap:var(--space-4);align-items:start}
.app .course-page .course-grid.pixel-catalog-grid:not(:has(>.course-card:not([hidden])~.course-card:not([hidden]))){grid-template-columns:minmax(0,min(100%,620px));justify-content:center}
.app .course-page .course-card{width:100%;max-width:760px;justify-self:center;gap:var(--space-3);padding:var(--space-4)}
.app .course-page .course-card>.course-cta{margin-top:0}
.app .course-page .pixel-course-art{aspect-ratio:16/7;max-height:none;flex-shrink:0}
@media(max-width:1180px){.app .course-page .course-grid.pixel-catalog-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,max(260px,calc((100% - var(--space-4))/2))),1fr))}}
@media(max-width:760px){.app .course-page .course-grid.pixel-catalog-grid{grid-template-columns:minmax(0,1fr)}}
.pixel-mcq-modes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-bottom:18px}
.app .pixel-mcq-modes .panel{text-align:center;display:grid;justify-items:center;align-content:start;gap:8px;padding:18px;border:2px solid var(--border-subtle);background:var(--bg-sidebar)}
.pixel-mcq-modes h3{font-size:22px;margin:0}.pixel-mcq-modes p{font-size:14px;max-width:38ch;margin:0;color:var(--betooth-light)}
.pixel-mode-art{display:block;width:56px;height:56px;background-image:url('../assets/pixel/reference-art.png');background-size:1536px 1024px;background-position:-794px -446px;image-rendering:pixelated}
.pixel-mode-review .pixel-mode-art{background-position:-326px -446px}
/* MCQ catalog polish: presentation only; attempt screens keep their own layout. */
.app .mcq-page .mcq-page-head{padding-bottom:12px}
.app .mcq-page .pixel-mcq-modes{gap:var(--space-4);margin-bottom:16px}
.app .mcq-page .pixel-mcq-modes .panel{grid-template-columns:56px minmax(0,1fr);text-align:start;justify-items:stretch;align-content:center;column-gap:12px;row-gap:8px;padding:14px}
.app .mcq-page .pixel-mode-art{grid-row:1/3;align-self:start}
.app .mcq-page .pixel-mode-copy{min-width:0}
.app .mcq-page .pixel-mode-copy h3{font-size:18px;line-height:1.4}
.app .mcq-page .pixel-mode-copy p{font-size:13px;line-height:1.5;margin:4px 0 0;max-width:none}
.app .mcq-page .pixel-mcq-modes :is(button,a){grid-column:2;justify-self:start;min-height:44px;max-width:100%;margin:0;padding:6px 12px;font-size:13px;white-space:normal}
.app .mcq-page .pixel-catalog-controls{gap:8px}
.app .mcq-page .mcq-bank-grid.pixel-catalog-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,max(280px,calc((100% - 2 * var(--space-4))/3))),1fr));gap:var(--space-4);align-items:start}
.app .mcq-page .mcq-bank-grid.pixel-catalog-grid:not(:has(>.mcq-bank-card:not([hidden])~.mcq-bank-card:not([hidden]))){grid-template-columns:minmax(0,min(100%,620px));justify-content:center}
.app .mcq-page .mcq-bank-card{width:100%;max-width:760px;justify-self:center;gap:12px;padding:var(--space-4)}
.app .mcq-page .mcq-bank-card .pixel-course-art{aspect-ratio:16/7;max-height:none;flex-shrink:0}
.app #pageMount .mcq-page .mcq-bank-card>.mcq-card-cta{margin-top:0;min-height:44px;background:var(--betooth-orange);color:var(--bg-sidebar);border-color:var(--betooth-orange)}
.app #pageMount .mcq-page .mcq-bank-card>.mcq-card-cta:hover{background:var(--betooth-orange);color:var(--bg-sidebar);border-color:var(--pixel-cyan);box-shadow:var(--pixel-edge)}
.app .mcq-page .pixel-card-details summary{min-height:44px}
@media(max-width:1180px){.app .mcq-page .mcq-bank-grid.pixel-catalog-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,max(260px,calc((100% - var(--space-4))/2))),1fr))}}
@media(max-width:760px){.app .mcq-page .mcq-bank-grid.pixel-catalog-grid{grid-template-columns:minmax(0,1fr)}.app .mcq-page .pixel-mcq-modes{grid-template-columns:minmax(0,1fr)}}
.app .mcq-question-card{max-width:920px;margin-inline:auto;padding:22px;border:2px solid var(--border-subtle);border-radius:3px;background:var(--bg-sidebar)}
.app .mcq-question-top{border-bottom:1px solid var(--border-subtle);padding-bottom:12px;gap:12px}
.app .mcq-stem{font-size:22px;line-height:1.55;padding:16px 0;max-width:65ch}
.app .mcq-options{display:grid;gap:10px}.app .mcq-option{min-height:56px;padding:14px;gap:12px;border-width:2px;border-radius:2px;box-shadow:var(--pixel-edge);font-size:16px}
.app :is(.mcq-result-summary,.mcq-result-card,.mcq-review-card,.mcq-feedback,.mcq-bank-header,.course-detail-header,.lesson-header){background:var(--bg-sidebar);border:2px solid var(--border-subtle);border-radius:3px;padding:18px;box-shadow:var(--pixel-edge)}
.app :is(.lesson-list,.mcq-review-list){gap:10px}.app :is(.lesson-row,.lesson-card){border:2px solid var(--border-subtle);border-radius:3px;background:var(--bg-sidebar);box-shadow:var(--pixel-edge);padding:14px}
.app :is(.lesson-body,.lesson-content){font-size:17px;line-height:1.8;max-width:80ch}
/* Study is the real analytics surface; no fictional task or streak state. */
.app #analyticsMount{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;align-items:start}
.app #analyticsMount>.dashboard-source-note{grid-column:1/-1;margin:0;font-size:13px;color:var(--betooth-light)}
.app #analyticsMount>.analytics-grid{grid-column:1/-1;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.app .analytics-stat{padding:16px;display:grid;grid-template-columns:32px minmax(0,1fr);align-items:center;gap:8px;background:var(--bg-sidebar);border:2px solid var(--border-subtle)}
.app .analytics-stat .ui-icon{color:var(--pixel-cyan);width:26px;height:26px}.app .analytics-stat h3{font-size:16px;margin:0}.app .analytics-stat strong{grid-column:1/-1;color:var(--betooth-orange);font:600 34px/1.2 BetoothPixel,Arial,sans-serif}.app .analytics-stat p{grid-column:1/-1;margin:0;font-size:13px}
.app #analyticsMount>section{margin:0;padding:18px;background:var(--bg-sidebar);border:2px solid var(--border-subtle)}
.app :is(.analytics-table,.leaderboard-table){border-collapse:collapse;width:100%;font-size:14px}.app :is(.analytics-table,.leaderboard-table) :is(th,td){padding:12px 8px;border-bottom:1px solid var(--border-subtle);text-align:start}
.app .score-trend{padding:0;list-style:none;display:grid;gap:14px}.app .score-trend li{display:grid;grid-template-columns:1fr minmax(70px,1fr) auto;gap:12px;align-items:center;font-size:13px}
/* Notes library keeps ownership, offline and workspace IDs untouched. */
.app .notes-library>.notes-hero{align-items:start}.app .notes-actions{gap:8px}.app .notes-actions button{min-height:44px;padding:8px 12px;font-size:14px}
.app .notes-library>#notesApp{grid-template-columns:190px minmax(0,1fr);gap:14px;margin-top:0}
.app :is(.notes-folder-panel,.notes-main){min-height:0;margin:0;padding:12px;border:2px solid var(--border-subtle);border-radius:2px;background:var(--bg-sidebar)}
.app .notes-folder-panel h3{font-size:18px;margin:0 0 12px}.app .notes-folder-panel button{font-size:14px;min-height:42px;padding:8px;text-align:start}
.app .notes-filterbar{grid-template-columns:minmax(0,1fr) 160px;gap:8px;margin-bottom:14px}.app .notes-grid{grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.app .note-card{gap:10px;padding:12px;border:2px solid var(--border-subtle);border-radius:3px;background:var(--bg-panel);box-shadow:var(--pixel-edge);transform:none}
.app .note-card-icon{width:48px;height:56px;border-radius:2px;background:var(--bg-card);border:2px solid var(--betooth-muted);box-shadow:inset 3px 3px var(--bg-hover),3px 3px var(--bg-page);color:var(--pixel-cyan);font-family:BetoothPixel,Arial,sans-serif}
.app .note-card-copy h3{font-size:17px;line-height:1.3}.app .note-card-copy p{font-size:13px;line-height:1.4}.app .note-card>a{font-size:14px;min-height:40px;margin:0}
/* Notes library polish only: workspace input and viewer layers are unchanged. */
.app #pageMount .notes-library{max-width:none}
.app #pageMount .notes-library>#notesApp{grid-template-columns:220px minmax(0,1fr);gap:20px;align-items:start}
.app #pageMount .notes-library .notes-folder-panel{padding:14px;max-height:none;overflow:visible}
.app #pageMount .notes-library .notes-folder-list>summary{min-height:44px;padding:6px 0;font-size:16px;color:var(--pixel-cyan);cursor:pointer}
.app #pageMount .notes-library #notesFolders{display:grid;gap:6px;margin-top:8px}
.app #pageMount .notes-library .notes-folder{min-height:44px;padding:10px 12px;overflow-wrap:anywhere}
.app #pageMount .notes-library .notes-folder.active{background:var(--bg-hover);border-color:var(--betooth-orange);box-shadow:inset 3px 0 var(--betooth-orange)}
.app #pageMount .notes-library .notes-main{padding:0;border:0;box-shadow:none;background:transparent}
.app #pageMount .notes-library .notes-filterbar{grid-template-columns:minmax(0,1fr) 180px;gap:10px;margin-bottom:16px}
.app #pageMount .notes-library .notes-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,max(260px,calc((100% - 3 * 16px)/4))),1fr));gap:16px;align-items:start}
.app #pageMount .notes-library .note-card{position:relative;display:block;padding:18px;min-width:0;max-width:480px;width:100%;border-color:var(--border-subtle)}
.app #pageMount .notes-library .note-card-open{display:grid;grid-template-columns:48px minmax(0,1fr);align-items:start;gap:12px 14px;color:var(--text-primary);text-decoration:none}
.app #pageMount .notes-library .note-card-copy{display:contents}
.app #pageMount .notes-library .note-card-open::after{content:"";position:absolute;inset:0;z-index:1}
.app #pageMount .notes-library .note-card:hover,.app #pageMount .notes-library .note-card:focus-within{border-color:var(--pixel-cyan);box-shadow:var(--pixel-edge)}
.app #pageMount .notes-library .note-card-open:focus-visible{outline:none}
.app #pageMount .notes-library .note-card:has(.note-card-open:focus-visible){outline:2px solid var(--betooth-orange);outline-offset:3px}
.app #pageMount .notes-library .note-card-copy h3{grid-column:1/-1;font-size:18px;line-height:1.5;margin:0;overflow-wrap:anywhere}
.app #pageMount .notes-library .note-card-copy p{grid-column:1/-1;font-size:13px;line-height:1.5}
.app #pageMount .notes-library .note-kind{align-self:center;padding-inline-end:28px;font-size:12px;line-height:1.5;color:var(--pixel-cyan)}
.app #pageMount .notes-library .note-card[data-workspace-type="academic_pdf"]{border-inline-start:3px solid var(--betooth-orange)}
.app #pageMount .notes-library .note-card[data-workspace-type="academic_pdf"] .note-kind{color:var(--betooth-orange)}
.app #pageMount .notes-library .note-card[data-workspace-type="notebook"] .note-card-icon{border-style:dashed}
.app #pageMount .notes-library .note-card-icon svg{width:28px;height:28px}
.app #pageMount .notes-library .note-card-menu{position:absolute;inset-block-start:8px;inset-inline-end:8px;z-index:2}
.app #pageMount .notes-library .note-card-more{display:grid;place-items:center;list-style:none;width:44px;min-height:44px;font-size:24px;padding:0;cursor:pointer;color:var(--pixel-cyan)}
.app #pageMount .notes-library .note-card-more::-webkit-details-marker{display:none}
.app #pageMount .notes-library .note-card-menu-panel{position:absolute;inset-inline-end:0;min-width:180px;max-width:240px;padding:6px;background:var(--bg-sidebar);border:2px solid var(--pixel-cyan);box-shadow:var(--pixel-step-shadow)}
.app #pageMount .notes-library .note-card-menu-panel a{display:block;min-height:44px;padding:10px;font-size:14px;color:var(--text-primary);text-decoration:none}
.app #pageMount .notes-library .note-card-menu-panel a:hover{background:var(--bg-hover)}
.app #pageMount .notes-library .notes-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px;width:auto}
.app #pageMount .notes-library .notes-actions button{display:inline-flex;align-items:center;gap:8px;white-space:normal;min-width:0}
.app #pageMount .notes-library #notesImportPdf{background:var(--betooth-orange);color:var(--bg-sidebar);border-color:var(--betooth-orange)}
.app #pageMount .notes-library .notes-action-icon{width:18px;height:18px;flex:none}
.app #pageMount .notes-library .notes-empty{min-height:0;gap:8px;padding:28px 16px;border:2px dashed var(--border-subtle);background:var(--bg-panel)}
.app #pageMount .notes-library .notes-empty-icon{width:36px;height:36px;color:var(--pixel-cyan)}
@media(max-width:1180px){.app #pageMount .notes-library>#notesApp{grid-template-columns:minmax(0,1fr)}.app #pageMount .notes-library .notes-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.app #pageMount .notes-library #notesFolders{display:flex;flex-wrap:wrap}.app #pageMount .notes-library .notes-folder{width:auto;max-width:100%}.app #pageMount .notes-library .note-card{max-width:none}}
@media(max-width:760px){.app #pageMount .notes-library .notes-grid{grid-template-columns:minmax(0,1fr)}.app #pageMount .notes-library .notes-filterbar{grid-template-columns:minmax(0,1fr)}.app #pageMount .notes-library .notes-actions{width:100%}.app #pageMount .notes-library .note-card{max-width:none}}
.app .notes-workspace{padding:2px 0 0;max-width:none}.app .workspace-top{padding:10px 12px;border:2px solid var(--border-subtle);border-radius:2px;background:var(--bg-sidebar);box-shadow:var(--pixel-edge);gap:10px;margin:0}
.app .workspace-top h2{font:600 20px/1.25 BetoothPixel,Arial,sans-serif;margin:0}.app .workspace-title-block small{font-size:12px;color:var(--betooth-light)}
.app .workspace-pages{background:var(--bg-sidebar);border:2px solid var(--border-subtle);border-radius:2px;padding:10px}.app .workspace-pages h3{font-size:16px}
.app .workspace-page{border:2px solid var(--border-subtle);border-radius:2px;background:var(--bg-panel);padding:8px;box-shadow:var(--pixel-edge)}
.app .workspace-page.active{border-color:var(--betooth-orange);box-shadow:inset 3px 0 var(--betooth-orange)}
.app :is(.annotation-toolbar,.annotation-toolbar-group,.workspace-beto,.pdf-toolbar){background:var(--bg-sidebar);border-color:var(--border-subtle);border-radius:2px;box-shadow:var(--pixel-edge)}
.app :is(.annotation-tool,.annotation-action,.workspace-header-action){border-radius:2px;min-width:40px;min-height:40px;box-shadow:none}
.app .annotation-tool[aria-pressed="true"]{border-color:var(--betooth-orange);box-shadow:inset 0 -2px var(--betooth-orange)}
.app .workspace-beto{padding:16px;border:2px solid var(--border-subtle)}.app .workspace-beto h3{font-size:20px}.app .workspace-beto p{font-size:14px;line-height:1.5}
.app :is(.workspace-more-panel,.notes-study-menu,.workspace-page-template-menu,.annotation-settings-panel,.annotation-shapes){max-width:calc(100vw - 24px);border-width:2px;box-shadow:4px 4px var(--bg-page);font-size:14px}
/* Unified chat: history / conversation / sources. No mode tabs or extra provider calls. */
.app .beto-breadcrumb{margin:0 0 10px;font-size:13px}.app .beto-intro{position:relative;min-height:0;display:block;padding:0 0 14px;margin:0;border:0;border-bottom:2px solid var(--border-subtle);border-radius:0;background:none;box-shadow:none}
.app .beto-intro-copy{padding:0}.app .beto-intro h1{font-size:28px;line-height:1.2;margin:0 0 6px}.app .beto-intro p{font-size:14px;margin:0 0 8px;max-width:72ch}.app .beto-assistant-image{display:none}
.app .beto-workspace{grid-template-columns:190px minmax(0,1fr) 220px;gap:12px;margin-top:14px;align-items:start}
.app :is(.beto-history,.beto-chat,.beto-source-panel){padding:12px;border:2px solid var(--border-subtle);border-radius:3px;background:var(--bg-sidebar);box-shadow:var(--pixel-edge);min-width:0}
.app :is(.beto-history,.beto-source-panel) h2{font-size:19px;margin:8px 0 12px}.app .beto-history .beto-new-chat{width:100%;background:var(--betooth-orange);color:var(--betooth-deep);min-height:44px}
.app .beto-chat-head{padding:0 0 12px;gap:10px;border-bottom:2px solid var(--border-subtle)}.app .beto-chat-head h2{font-size:20px}.app .beto-chat-head p{font-size:13px}
.app .beto-chat-portrait{display:block;flex:none;width:44px;height:40px;background-image:url('../assets/pixel/reference-art.png');background-size:576px 384px;background-position:-309px -103px;image-rendering:pixelated}.app .beto-chat-portrait img{display:none}
.app .beto-message-log{min-height:300px;max-height:58dvh;overflow-y:auto;padding:14px 0;gap:12px;scrollbar-color:var(--betooth-muted) var(--bg-page);scrollbar-width:thin}
.app .beto-message{max-width:92%;padding:12px;border:2px solid var(--border-subtle);border-radius:2px;font-size:15px;line-height:1.6;box-shadow:2px 2px var(--bg-page);overflow-wrap:anywhere}
.app .beto-message-assistant{background:var(--bg-panel);border-inline-start:3px solid var(--pixel-cyan)}.app .beto-message-user{background:var(--bg-hover);border-inline-end:3px solid var(--betooth-orange)}
.app .beto-composer{padding-top:12px;border-top:2px solid var(--border-subtle);gap:8px}.app .beto-composer-row{gap:8px}.app .beto-composer textarea{padding:10px;font-size:15px;min-height:54px;border-width:2px}.app .beto-composer button{min-height:44px}
.app .beto-mode-selector{display:flex;gap:6px;flex-wrap:wrap}.app .beto-mode-selector label{padding:6px 8px;border-radius:2px;min-height:40px;min-width:0;gap:6px}.app .beto-mode-selector small{font-size:11px}
.app .beto-source-card{padding:10px;border:2px solid var(--border-subtle);border-radius:2px;background:var(--bg-panel);box-shadow:var(--pixel-edge);font-size:13px}.app .beto-preferences{border-top:1px solid var(--border-subtle);padding-top:12px;margin-top:14px}.app .beto-preferences summary{font-size:15px}.app .beto-preferences form{gap:10px}.app .beto-preferences label{font-size:13px}
/* The real Store remains real: disabled/empty and authorized order states are not fake products. */
.app .store-content{gap:16px}.app .store-grid{gap:14px;grid-template-columns:repeat(3,minmax(0,1fr))}.app :is(.store-product-card,.store-order-card,.store-cart-line,.store-summary,.store-checkout-form,.store-product-detail,.store-empty){border:2px solid var(--border-subtle);border-radius:3px;background:var(--bg-sidebar);box-shadow:var(--pixel-edge)}
.app .store-product-card:hover{transform:none;border-color:var(--pixel-cyan)}.app .store-product-body{gap:8px;padding:14px}.app .store-product-body h3{font-size:20px}.app .store-local-nav{gap:6px}.app .store-local-nav a{font-size:14px;min-height:40px;padding:8px 12px}.app .store-cart{grid-template-columns:minmax(0,1fr) 300px;gap:14px}.app .store-summary{padding:18px}.app .store-order-card{padding:16px}
.app :is(.leaderboard-tabs,.profile-tabs){padding:0 0 10px;gap:6px;border-bottom:2px solid var(--border-subtle);background:none;flex-wrap:wrap}.app :is(.leaderboard-tabs,.profile-tabs) button{font-size:15px;min-height:42px;box-shadow:none}
.app :is(.leaderboard-tabs,.profile-tabs) button[aria-selected="true"]{border-color:var(--betooth-orange);background:var(--bg-hover);box-shadow:inset 0 -2px var(--betooth-orange)}
.app .leaderboard-podium{gap:12px}.app .leaderboard-person.podium{border:2px solid var(--border-subtle);border-radius:3px;box-shadow:var(--pixel-edge);background:var(--bg-sidebar);padding:16px}.app .leaderboard-person.rank-1{border-color:var(--betooth-orange);background:var(--bg-hover)}
.app .profile-hero{padding:18px;gap:16px;border:2px solid var(--border-subtle);border-radius:3px;background:var(--bg-sidebar);box-shadow:var(--pixel-edge)}.app .profile-hero h1{font-size:30px}.app .profile-metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.app .profile-metric{padding:14px;border:2px solid var(--border-subtle);border-radius:2px;background:var(--bg-sidebar);box-shadow:var(--pixel-edge)}.app .profile-metric h3{font-size:14px}.app .profile-metric strong{font:600 28px/1.2 BetoothPixel,Arial,sans-serif;color:var(--betooth-orange)}
.app :is(.rank-card,.best-card,.achievement,.profile-course,.profile-editor){border:2px solid var(--border-subtle);border-radius:2px;background:var(--bg-sidebar);box-shadow:var(--pixel-edge)}.app .profile-day{border:2px solid var(--border-subtle);border-radius:1px}.app .profile-day.studied{background:var(--betooth-orange);color:var(--betooth-deep)}
.app .account-dropdown{padding:8px;min-width:220px;max-width:calc(100vw - 24px);border:2px solid var(--betooth-muted);border-radius:2px;background:var(--bg-sidebar);box-shadow:4px 4px var(--bg-page)}.app .account-menu-row{padding:10px 12px;min-height:44px;border-radius:1px;border-bottom:1px solid var(--border-subtle);font-size:15px}
.app .nav-item[data-route="help"] .nav-icon{background-image:none}.app .nav-item[data-route="help"] .nav-icon>*{visibility:visible}
.pixel-help-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.app .pixel-help-grid .panel{padding:20px;border:2px solid var(--border-subtle);background:var(--bg-sidebar)}.pixel-help-grid h3{font-size:24px;margin:0 0 12px}.pixel-help-grid p{font-size:15px;color:var(--betooth-light);line-height:1.7}
@media(min-width:1800px){.app :is(.course-grid,.mcq-bank-grid).pixel-catalog-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:1180px){.app .beto-workspace{grid-template-columns:180px minmax(0,1fr)}.app .beto-source-panel{grid-column:2}.app .beto-history{grid-row:1/3}.app :is(.course-grid,.mcq-bank-grid).pixel-catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.app #analyticsMount>.analytics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.app .notes-library>.notes-hero{flex-wrap:wrap}}
@media(max-width:980px){.app #pageMount>.page:not(.home-experience):not(.notes-workspace){padding:14px}.app .beto-workspace{grid-template-columns:minmax(0,1fr)}.app .beto-history{grid-row:auto}.app .beto-source-panel{grid-column:auto}.app .beto-chat-list{display:flex;overflow-x:auto;gap:8px}.app .beto-chat-list-item{min-width:180px}.app .beto-preferences form{grid-template-columns:repeat(2,minmax(0,1fr))}.app .beto-preference-actions{grid-column:1/-1}.app .beto-message-log{max-height:55dvh}.app .store-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.app #pageMount>.page:not(.home-experience):not(.notes-workspace){padding:10px}.app :is(.course-page-head,.mcq-page-head,.dash-head,.store-header,.pixel-page-head,.notes-hero){flex-wrap:wrap;gap:10px;padding-bottom:12px}.app :is(.course-page-head,.mcq-page-head,.dash-head,.store-header,.pixel-page-head,.notes-hero) :is(h1,h2){font-size:25px}.pixel-catalog-search{grid-template-columns:1fr;gap:6px}.pixel-category-filters{gap:6px}.app .pixel-category-filters button{min-height:44px;font-size:13px;padding:8px}.app :is(.course-grid,.mcq-bank-grid).pixel-catalog-grid{grid-template-columns:minmax(0,1fr)}.pixel-course-art{max-height:none}.pixel-mcq-modes{grid-template-columns:minmax(0,1fr)}.app .mcq-question-card{padding:14px}.app .mcq-stem{font-size:19px}.app #analyticsMount{grid-template-columns:minmax(0,1fr)}.app #analyticsMount>.analytics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.app .analytics-stat{padding:12px}.app .analytics-stat h3{font-size:14px}.app .analytics-stat strong{font-size:27px}.app .notes-library>#notesApp{grid-template-columns:minmax(0,1fr)}.app .notes-folder-panel{max-height:180px;overflow:auto}.app .notes-filterbar{grid-template-columns:minmax(0,1fr)}.app .notes-actions{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.app .notes-actions button{min-width:0;padding:8px;font-size:13px}.app .notes-grid{grid-template-columns:minmax(0,1fr)}.app .beto-workspace{gap:10px}.app .beto-preferences form{grid-template-columns:minmax(0,1fr)}.app .beto-mode-selector label{flex:1;min-height:44px}.app .beto-mode-selector small{display:none}.app .beto-message{max-width:96%}.app .store-grid,.app .store-cart,.pixel-help-grid{grid-template-columns:minmax(0,1fr)}.app .profile-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.app .profile-hero{padding:14px}.app .profile-overview-grid{grid-template-columns:1fr}}
@media(max-width:600px){.app .account-control .account-dropdown{position:fixed;inset-block-start:calc(var(--topbar-height) + 8px);inset-inline:12px;width:auto;min-width:0;max-width:calc(100vw - 24px);max-height:calc(100dvh - var(--topbar-height) - 24px);overflow-y:auto}}
/* Free v1 Home: next actions first; existing learning detail stays intact. */
@media(min-width:981px){
 :root{--topbar-height:clamp(68px,4.5vw,80px)}
 .app .topbar{min-height:0;padding-block:8px;gap:24px}
 .app .topbar-heading{width:clamp(180px,16vw,230px)}
 .app .brand-word{font-size:clamp(32px,3vw,44px)}
 .app .search-wrap{max-width:640px}
 .app .topbar-tools{gap:10px}
 .app .sidebar::after{min-height:180px;max-height:210px;opacity:.72}
}
.app .home-board{gap:24px;padding-bottom:32px;grid-template-areas:"scene scene" "features features" "syllabus syllabus" "progress activity" "sidecar sidecar" "metrics metrics";align-items:start}
.app .home-scene{--home-hero-height:clamp(320px,42svh,480px)}
/* Original 1536x1024 reference: scene crop x=750,y=78,w=740,h=342.
   Width-driven sizing keeps Beto, lamp, desk, window and right shelves together.
   The embedded marketing headline to the left is not part of the live heading. */
.app .home-beto-scene,html[dir="rtl"] .app .home-beto-scene{inset:50% 0 auto auto;width:62%;height:auto;aspect-ratio:740/342;transform:translateY(-50%);background-size:207.567568% auto;background-position:94.221106% 11.43695%;background-repeat:no-repeat}
html[dir="rtl"] .app .home-beto-scene{inset:50% auto auto 0}
.app .home-intro,html[dir="rtl"] .app .home-intro{width:48%;padding:28px 0 28px 7cqw;gap:8px}
html[dir="rtl"] .app .home-intro{padding:28px 7cqw 28px 0}
.app .home-welcome{margin:0;color:var(--pixel-cyan);font-size:14px;font-weight:600}
.app .home-intro h1,html[dir="rtl"] .app .home-intro h1{font-size:clamp(26px,3cqw,40px);line-height:1.4;margin:0;overflow-wrap:anywhere;max-width:20ch}
.app .home-intro h1>span{white-space:normal;unicode-bidi:plaintext}
.app .home-description{margin:0;max-width:32ch}
.app .home-actions{margin-top:10px}
.app .home-actions .primary{width:auto;min-height:44px;padding:10px 18px;font-size:16px}
.app .home-feature-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:0}
.app .home-feature{min-height:104px;padding:16px;grid-template-columns:52px minmax(0,1fr);gap:6px 12px;justify-items:start;text-align:start}
.app .home-feature:last-child{grid-column:auto}
.app .home-feature .pixel-feature-icon{width:52px;height:52px;grid-row:1/3}
.app .home-feature .pixel-feature-icon{background-size:contain;background-position:center;background-repeat:no-repeat}
.app .home-feature .pixel-book{background-image:url('../assets/pixel/home-study-book.svg')}
.app .home-feature .pixel-study{background-image:url('../assets/pixel/home-review-calendar.svg')}
.app .home-feature .pixel-check{background-image:url('../assets/pixel/home-practice-sheet.svg')}
.app .home-feature strong{font-size:18px}
.app .home-feature>span:not(.pixel-feature-icon):not(.feature-arrow){overflow-wrap:anywhere}
.app .home-section-heading{margin-bottom:14px}
.app .home-course-deck{gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}
.app .home-course-card{padding:18px;gap:10px}
.app .home-progress-section{grid-area:progress;min-width:0;position:relative}
.app .home-progress-heading{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px 16px}
.app .home-progress-link{display:inline-flex;align-items:center;text-align:start;margin:0;font-size:14px;line-height:1.5;min-height:44px;padding:6px 0}
.app #homeProgress{grid-area:auto;padding:18px;grid-template-columns:120px minmax(0,1fr);gap:12px 18px}
.app #homeProgress .home-progress-ring{width:120px;height:120px}
.app #homeProgress .home-progress-ring strong{position:absolute;inset:0;display:grid;place-items:center;margin:0;padding:0;font-size:28px;font-weight:600;line-height:1.2;letter-spacing:0;font-variant-numeric:tabular-nums;white-space:nowrap;direction:ltr;unicode-bidi:isolate}
.app #homeProgress>.home-progress-count{display:grid;gap:4px;line-height:1.5}
.app #homeProgress .home-progress-count bdi{font-size:16px;font-weight:600}
.app #homeProgress{min-height:0}
.app #homeProgress>progress{width:120px}
.app .home-progress-courses{grid-template-columns:minmax(0,1fr);gap:12px}
.app .home-activity-panel{padding:18px;min-height:0;margin-top:0}
.app .home-activity-row{min-height:60px}
.app .home-sidecar{gap:16px;align-items:start}
.app .home-sidecar>.home-utility-card{padding:18px}
.app .home-sidecar .home-utility-card{grid-template-columns:minmax(0,1fr);align-content:start;gap:12px;min-height:0}
.app .home-sidecar .home-utility-card h2{font-size:20px;font-weight:600;line-height:1.5}
.app .home-sidecar .home-utility-card p{font-size:15px;line-height:1.6;align-self:start}
.app .home-sidecar .home-utility-card :is(small,.mission-task-label,.mastery-state){font-size:14px;line-height:1.5}
.app .home-sidecar .home-readiness-row{padding:12px;gap:6px 12px;align-items:center}
.app .home-sidecar .home-readiness-row span{font-size:15px;line-height:1.5;overflow-wrap:anywhere}
.app .home-sidecar .home-readiness-row strong{font-size:22px;line-height:1.3;white-space:nowrap}
.app .home-sidecar .mission-tasks{margin:0;gap:8px}
.app .home-sidecar .mission-task{padding-block:8px}
.app .home-sidecar .mission-task .ghost{min-height:44px;font-size:15px}
.app #homeStreak .home-streak-current{align-items:baseline;flex-wrap:wrap;gap:6px 12px}
.app #homeStreak .home-streak-current>span,.app #homeStreak .home-streak-longest{font-size:14px;line-height:1.5}
.app #homeStreak .home-streak-value{font-size:36px;line-height:1.2}
.app #homeStreak .home-study-timeline{margin-top:0}
.app #homeStreak .home-streak-week-navigation{grid-template-columns:44px minmax(0,1fr) 44px}
.app #homeStreak .home-streak-week-navigation button{min-width:44px;min-height:44px;padding:4px}
@media(min-width:981px){
 .app .sidebar{position:sticky;top:var(--topbar-height);height:calc(100dvh - var(--topbar-height));min-height:0;overflow-y:auto;overscroll-behavior:contain}
 .app:has(.home-experience) .sidebar::after{flex-shrink:1}
}
@media(min-width:981px) and (max-height:820px){.app:has(.home-experience) .sidebar::after{display:none}}
.app .home-metrics{gap:16px}
.app .home-stat{min-height:94px;padding:16px}
@media(max-width:980px){
 .app .home-scene{--home-hero-height:clamp(240px,32svh,360px)}
 .app .home-intro,html[dir="rtl"] .app .home-intro{padding-block:20px}
 .app .home-feature{grid-template-columns:44px minmax(0,1fr);padding:14px;min-height:112px}
 .app .home-feature strong{font-size:16px}
 .app .home-feature .pixel-feature-icon{width:44px;height:44px}
 .app .home-board{grid-template-areas:"scene scene" "features features" "syllabus syllabus" "progress progress" "activity activity" "sidecar sidecar" "metrics metrics"}
 .app .home-activity-panel{margin-top:0}
}
@media(max-width:640px){
 .app .home-board{gap:18px;padding-inline:16px;grid-template-columns:minmax(0,1fr);grid-template-areas:"scene" "features" "syllabus" "progress" "activity" "sidecar" "metrics"}
 .app .home-scene{--home-hero-height:auto;height:auto;min-height:0;margin-inline:-16px;display:flex;flex-direction:column}
 .app .home-intro,html[dir="rtl"] .app .home-intro{width:100%;height:190px;padding:16px 20px;background:var(--bg-sidebar);gap:2px}
 .app .home-intro h1,html[dir="rtl"] .app .home-intro h1{font-size:26px;max-width:none;line-height:1.3}
 .app .home-actions{margin-top:6px}
 .app .home-actions .primary{font-size:14px;padding:8px 14px}
 .app .home-beto-scene,html[dir="rtl"] .app .home-beto-scene{position:relative;inset:auto;order:1;flex:none;width:100%;height:auto;max-width:none;aspect-ratio:740/342;margin:0;transform:none;background-size:207.567568% auto;background-position:94.221106% 11.43695%}
 .app .home-feature-row,.app .home-course-deck{grid-template-columns:minmax(0,1fr)}
 .app .home-feature{min-height:88px}
 .app #homeProgress{grid-template-columns:minmax(0,1fr)}
 .app .home-progress-courses{grid-column:1;grid-row:5}
 .app .home-progress-link{margin-bottom:6px}
}

/* Registered-user shell: keep authentication available without exposing navigation. */
.app.access-locked{grid-template-columns:minmax(0,1fr)}
.app.access-locked .content{grid-column:1}
.app.access-locked .sidebar,.app.access-locked .search-wrap{display:none}
.app .access-state{display:grid;align-content:center;justify-items:center;gap:20px;min-height:min(65dvh,520px);text-align:center}
.app .access-state h1{font-size:clamp(24px,3vw,36px);line-height:1.4;margin:0}
.app .access-state .primary{min-height:44px;padding:9px 22px}

/* The original reference-art hero, with the approved compact Home underneath. */
.app #pageMount>.learning-hub{display:grid;align-content:start;gap:16px;container-type:inline-size}
.app .learning-hub .home-scene{grid-area:auto;position:relative;margin-inline:-18px;overflow:hidden}
.app .learning-hub .home-next-context{margin:0;color:var(--betooth-light);font-size:13px}
.app .learning-hub .home-actions .primary{display:inline-flex;align-items:center}
.app .learning-hub .home-actions .action-arrow{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2}
.app .learning-hub .hub-shortcuts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.app .learning-hub .hub-shortcuts a,.app .learning-hub .hub-recent #homeCourses a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;padding:12px 16px;border:2px solid var(--border-subtle);border-radius:3px;background:var(--bg-sidebar);box-shadow:var(--pixel-edge);color:var(--betooth-paper);text-decoration:none}
.app .learning-hub .hub-shortcuts a:hover,.app .learning-hub .hub-recent #homeCourses a:hover{border-color:var(--pixel-cyan)}
.app .learning-hub .hub-shortcuts a span:last-child{color:var(--pixel-cyan)}
.app .learning-hub .hub-recent h2{font-size:18px}
.app .dashboard-page .progress-mastery,.app .dashboard-page .progress-supplements>.panel,.app .dashboard-page #progressAchievements>.panel{padding:18px;border:2px solid var(--border-subtle);border-radius:3px;background:var(--bg-sidebar);box-shadow:var(--pixel-edge)}
.app .dashboard-page .progress-mastery{margin-bottom:16px}
.app .dashboard-page .progress-mastery h2{margin:0 0 12px;font-size:20px}
.app .dashboard-page #progressMastery{display:grid;gap:12px}
.app .dashboard-page .progress-course{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:8px 0;border-bottom:1px solid var(--border-subtle)}
.app .dashboard-page .progress-supplements{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-block:16px}
.app .dashboard-page .progress-supplements>.panel{min-width:0}
.app .dashboard-page .progress-supplements>.panel:empty{display:none}
.app .dashboard-page .progress-supplements>#homeMission{grid-column:1/-1}
.app .plus-page .store-product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.app .plus-page .store-product-card{display:flex;flex-direction:column;gap:10px;min-width:0;padding:18px}
.app .plus-page .store-product-card :is(h3,p){margin:0}
.app .plus-page .store-product-card>p:first-of-type{font-size:24px;color:var(--betooth-orange)}
.app .plus-page .store-product-card button{align-self:start;margin-top:auto}
.app .plus-page .store-summary{justify-self:stretch;min-width:0}
.app .plus-page .plus-benefits{padding:18px;border:2px solid var(--border-subtle);border-radius:3px;background:var(--bg-sidebar);box-shadow:var(--pixel-edge)}
.app .plus-page .plus-benefits :is(h3,p){margin:0 0 10px}
.app .plus-page [hidden],.app .learning-hub [hidden]{display:none!important}
@media(max-width:700px){.app .learning-hub .hub-shortcuts,.app .dashboard-page .progress-supplements,.app .plus-page .store-product-grid{grid-template-columns:minmax(0,1fr)}.app .dashboard-page .progress-supplements>#homeMission{grid-column:auto}.app .dashboard-page .progress-course{align-items:flex-start;flex-wrap:wrap}}
@media(max-width:640px){.app .learning-hub .home-scene{margin-inline:-10px}.app .learning-hub .home-next-context{font-size:12px}}

/* ==========================================================================
   BETOOTH BUTTON ANIMATIONS (Clean Tactile Lift & Press Motion, No Inner Glow)
   ========================================================================== */
.app button,
.app .button-link,
.app .primary,
.app .secondary,
.app .ghost,
.app .icon-btn,
.app .case-start-btn,
.app .clinical-dock-jump-btn,
.app .decision-submit-btn,
.app .tooth-tool-btn,
.app .sim-nav-btn,
.app .coins-control,
.app .ambient-audio-btn {
  transition: transform 0.16s cubic-bezier(0.16, 1, 0.3, 1), 
              box-shadow 0.16s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.16s ease, 
              background-color 0.16s ease !important;
}

/* Smooth elevation on hover */
.app :is(button, .button-link, .primary, .secondary, .icon-btn, .case-start-btn, .clinical-dock-jump-btn, .decision-submit-btn, .tooth-tool-btn, .ambient-audio-btn):hover:not(:disabled) {
  transform: translateY(-2px) !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25) !important;
}

/* Smooth press response on click */
.app :is(button, .button-link, .primary, .secondary, .case-start-btn, .decision-submit-btn, .ambient-audio-btn):active:not(:disabled) {
  transform: translateY(1px) scale(0.985) !important;
  transition-duration: 0.06s !important;
}


/* ==========================================================================
   TOPBAR AMBIENT AUDIO TOGGLE
   ========================================================================== */
.app .ambient-audio-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 38px;
  min-height: 38px;
  padding: 0 10px;
  border-radius: var(--radius-button, 10px);
  background: var(--surface-soft, rgba(255, 255, 255, 0.05));
  border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.12));
  color: var(--text-secondary, #94a3b8);
  font-size: 13px;
  cursor: pointer;
  transition: background var(--transition-fast, 0.15s), border-color var(--transition-fast, 0.15s), color var(--transition-fast, 0.15s), box-shadow var(--transition-fast, 0.15s);
  user-select: none;
}

.app .ambient-audio-btn:hover {
  background: var(--surface-soft-strong, rgba(255, 255, 255, 0.1));
  border-color: var(--betooth-muted);
  color: var(--betooth-paper);
}

.app .ambient-audio-btn.is-playing {
  background: color-mix(in srgb, var(--betooth-muted) 28%, var(--bg-card));
  border-color: var(--betooth-light);
  color: var(--betooth-paper);
  box-shadow: 0 0 12px color-mix(in srgb, var(--betooth-muted) 35%, transparent);
}

.app .ambient-audio-btn .audio-icon {
  width: 17px;
  height: 17px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

.app .ambient-audio-btn .audio-icon-playing {
  display: none;
}

.app .ambient-audio-btn.is-playing .audio-icon-muted {
  display: none;
}

.app .ambient-audio-btn.is-playing .audio-icon-playing {
  display: block;
}

.app .ambient-audio-btn .audio-waves {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 13px;
  padding-bottom: 1px;
}

.app .ambient-audio-btn .wave-bar {
  width: 2.5px;
  border-radius: 2px;
  background: currentColor;
  height: 3px;
  opacity: 0.6;
  transition: height 0.2s ease, opacity 0.2s ease;
}

.app .ambient-audio-btn.is-playing .wave-bar {
  opacity: 1;
  animation: audioWavePulse 1.2s ease-in-out infinite alternate;
}

.app .ambient-audio-btn.is-playing .bar-1 {
  animation-delay: 0.1s;
  animation-duration: 0.85s;
}

.app .ambient-audio-btn.is-playing .bar-2 {
  animation-delay: 0.3s;
  animation-duration: 1.25s;
}

.app .ambient-audio-btn.is-playing .bar-3 {
  animation-delay: 0.5s;
  animation-duration: 0.95s;
}

@keyframes audioWavePulse {
  0% { height: 3px; }
  50% { height: 12px; }
  100% { height: 6px; }
}

/* ==========================================================================
   AMBIENT AUDIO POPOVER, VOLUME SLIDER & TRACK SELECTOR
   ========================================================================== */
.app .ambient-audio-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.app .ambient-audio-popover {
  position: absolute;
  top: calc(100% + 10px);
  inset-inline-end: 0;
  width: min(310px, calc(100vw - 28px));
  background: var(--bg-card, #17313B);
  border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.12));
  border-radius: var(--radius-card, 12px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05);
  padding: 14px;
  z-index: 1200;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-sizing: border-box;
  animation: ambientFadeIn 0.16s cubic-bezier(0.16, 1, 0.3, 1);
}

.app .ambient-audio-popover[hidden] {
  display: none !important;
}

.app .ambient-popover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.08));
}

.app .ambient-popover-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary, #F6F4EF);
}

.app .ambient-popover-icon {
  font-size: 1.1rem;
  line-height: 1;
}

.app .ambient-popover-close {
  background: transparent;
  border: none;
  color: var(--text-secondary, #8FAEB8);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-control, 6px);
  line-height: 1;
  transition: color 0.15s ease, background 0.15s ease;
}

.app .ambient-popover-close:hover {
  color: var(--text-primary, #F6F4EF);
  background: var(--surface-soft-strong, rgba(255, 255, 255, 0.1));
}

.app .ambient-main-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 40px;
  padding: 8px 14px;
  border-radius: var(--radius-button, 10px);
  background: color-mix(in srgb, var(--betooth-muted, #4C7E8A) 24%, var(--bg-card));
  border: 1px solid var(--betooth-muted, #4C7E8A);
  color: var(--text-primary, #F6F4EF);
  font-family: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.app .ambient-main-toggle:hover {
  background: color-mix(in srgb, var(--betooth-muted, #4C7E8A) 36%, var(--bg-card));
  border-color: var(--betooth-light, #8FAEB8);
}

.app .ambient-main-toggle.is-playing {
  background: color-mix(in srgb, #ef4444 18%, var(--bg-card));
  border-color: rgba(239, 68, 68, 0.45);
  color: #fca5a5;
}

.app .ambient-main-toggle.is-playing:hover {
  background: color-mix(in srgb, #ef4444 26%, var(--bg-card));
  border-color: rgba(239, 68, 68, 0.65);
}

.app .ambient-main-toggle .ambient-svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.app .ambient-volume-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 12px;
  background: var(--surface-soft, rgba(255, 255, 255, 0.03));
  border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.06));
  border-radius: var(--radius-control, 8px);
}

.app .ambient-volume-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-secondary, #8FAEB8);
  font-weight: 600;
}

.app #ambientVolumeValue {
  color: var(--betooth-light, #8FAEB8);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.app .ambient-volume-slider-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.app .ambient-vol-icon-btn {
  background: transparent;
  border: none;
  padding: 5px;
  cursor: pointer;
  color: var(--text-secondary, #8FAEB8);
  border-radius: var(--radius-control, 6px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: color 0.12s ease, background 0.12s ease;
}

.app .ambient-vol-icon-btn:hover {
  color: var(--text-primary, #F6F4EF);
  background: var(--surface-soft-strong, rgba(255, 255, 255, 0.08));
}

.app .ambient-vol-svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.app .ambient-volume-slider {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  height: 6px;
  border-radius: 999px;
  background: var(--surface-soft-strong, rgba(255, 255, 255, 0.16));
  outline: none;
  cursor: pointer;
  transition: background 0.15s ease;
}

.app .ambient-volume-slider:hover {
  background: rgba(255, 255, 255, 0.24);
}

.app .ambient-volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--betooth-light, #8FAEB8);
  border: 2px solid var(--text-primary, #F6F4EF);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.45);
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease;
}

.app .ambient-volume-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  background: var(--betooth-orange, #F59D4D);
}

.app .ambient-volume-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--betooth-light, #8FAEB8);
  border: 2px solid var(--text-primary, #F6F4EF);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.45);
  cursor: pointer;
}

.app .ambient-tracks-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.app .ambient-tracks-heading {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text-secondary, #8FAEB8);
}

.app .ambient-tracks-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.app .ambient-track-card {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 10px;
  border-radius: var(--radius-control, 8px);
  background: var(--surface-soft, rgba(255, 255, 255, 0.04));
  border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.08));
  cursor: pointer;
  text-align: start;
  font-family: inherit;
  color: inherit;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.app .ambient-track-card:hover {
  background: var(--surface-soft-strong, rgba(255, 255, 255, 0.08));
  border-color: var(--betooth-muted, #4C7E8A);
}

.app .ambient-track-card.is-selected {
  background: color-mix(in srgb, var(--betooth-muted, #4C7E8A) 22%, var(--bg-card));
  border-color: var(--betooth-light, #8FAEB8);
}

.app .ambient-track-glyph {
  font-size: 1.15rem;
  line-height: 1;
  flex-shrink: 0;
}

.app .ambient-track-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1;
}

.app .ambient-track-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary, #F6F4EF);
  line-height: 1.25;
}

.app .ambient-track-desc {
  font-size: 0.72rem;
  color: var(--text-secondary, #8FAEB8);
  line-height: 1.2;
  margin-top: 2px;
}

.app .ambient-track-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--betooth-light, #8FAEB8);
  color: var(--bg-page, #17313B);
  flex-shrink: 0;
}

.app .ambient-track-badge .ambient-check-svg {
  width: 11px;
  height: 11px;
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@keyframes ambientFadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}