@font-face{font-family:ConstructMono;src:local("Cascadia Mono"),local("Consolas"),local("Menlo");font-display:swap}
:root{color-scheme:dark;--bg:#07110d;--surface:#0d1913;--surface-2:#12231a;--surface-3:#173222;--line:#284333;--line-soft:#1b3024;--ink:#ecf4ee;--muted:#93aa9a;--green:#a1f6b7;--green-strong:#63ed8b;--bright:#c3fdd1;--danger:#ffb0a8;--mono:ConstructMono,ui-monospace,SFMono-Regular,Consolas,monospace;--radius:16px;--shadow:0 24px 80px #0005}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"Segoe UI",Arial,sans-serif;font-size:15px;line-height:1.55;min-width:300px}body.dialog-open{overflow:hidden}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;opacity:.5}button,a{touch-action:manipulation}button{color:inherit}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.1;letter-spacing:-.045em}h1{font-size:clamp(40px,5vw,72px);font-weight:550}h2{font-size:28px;font-weight:550}h3{font-size:20px;font-weight:550}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--green);outline-offset:4px}::selection{background:var(--green);color:var(--bg)}[hidden]{display:none!important}.muted{color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:20px;top:-100px;background:var(--green);color:var(--bg);padding:10px 16px;border-radius:8px;z-index:100}.skip-link:focus{top:12px}.eyebrow{font:11px/1.4 var(--mono);letter-spacing:.17em;text-transform:uppercase;color:var(--muted)}.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green-strong);box-shadow:0 0 12px #63ed8b40;margin-right:8px}.icon{width:20px;height:20px;display:inline-block;vertical-align:middle;flex-shrink:0;stroke-width:1.7}.icon-sm{width:16px;height:16px}.button{border:1px solid var(--line);border-radius:8px;min-height:44px;padding:10px 17px;display:inline-flex;align-items:center;justify-content:center;gap:12px;font-size:13px;font-weight:600;transition:background .15s,border-color .15s,transform .15s}.button:hover{text-decoration:none;transform:translateY(-1px)}.button-primary{background:var(--green);color:#102416;border-color:var(--green)}.button-primary:hover{background:var(--bright);border-color:var(--bright)}.button-ghost{background:transparent;color:var(--ink)}.button-ghost:hover{background:var(--surface-2);border-color:#51705b}.button-small{min-height:36px;padding:7px 12px;font-size:12px}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;background:transparent;border:1px solid transparent;border-radius:7px;color:var(--muted);font-size:25px;flex-shrink:0}.icon-button:hover{color:var(--ink);background:var(--surface-2);border-color:var(--line)}.text-button{padding:6px 0;background:none;border:0;color:var(--green);display:inline-flex;gap:8px;align-items:center;font-size:13px;text-align:left}.text-button:hover{text-decoration:underline}.tag{display:inline-flex;align-items:center;gap:5px;max-width:100%;font:10px/1.4 var(--mono);letter-spacing:.045em;border:1px solid var(--line);border-radius:5px;padding:4px 7px;color:var(--muted);text-transform:uppercase;white-space:nowrap}.tag-green{border-color:#42614b;color:var(--green);background:#b9ffcb08}#matrix-rain{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-2;opacity:.1;pointer-events:none}.ambient-glow{position:fixed;z-index:-1;right:-300px;top:-450px;width:1000px;height:1000px;background:radial-gradient(circle,#2b5e3635,transparent 65%);pointer-events:none}.boot-screen{min-height:100vh;display:grid;place-content:center;text-align:center;gap:14px;color:var(--muted)}.boot-mark{font:700 64px/1 var(--mono);letter-spacing:-8px;color:var(--green)}.boot-mark span{color:#467154}.boot-screen p{font:12px var(--mono);letter-spacing:.06em}.app-shell{max-width:1680px;margin:auto}.site-header{height:88px;padding:0 5.2%;display:flex;align-items:center;justify-content:space-between;gap:30px;border-bottom:1px solid var(--line-soft);background:#07110dc7}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);white-space:nowrap}.brand:hover{text-decoration:none}.brand-symbol{font:700 25px/.9 var(--mono);letter-spacing:-4px;display:flex;align-items:center;justify-content:center;width:39px;height:39px;border:1px solid #577960;border-radius:8px;color:var(--green);padding-right:4px;position:relative}.brand-symbol:after{content:"";position:absolute;width:5px;height:5px;background:var(--green);right:-3px;bottom:7px;box-shadow:0 0 0 4px var(--bg)}.brand-name{font-size:13px;font-weight:650;letter-spacing:.11em}.brand-name small{display:block;font:9px/1.9 var(--mono);letter-spacing:.2em;color:var(--muted)}.primary-nav{display:flex;align-items:center;gap:26px;margin-right:auto;margin-left:48px;height:100%}.nav-button{height:100%;position:relative;border:none;background:none;color:var(--muted);font-size:13px;padding:0 2px;white-space:nowrap}.nav-button:hover{color:var(--ink)}.nav-button.active{color:var(--green)}.nav-button.active:after{content:"";height:2px;background:var(--green);position:absolute;bottom:-1px;left:0;right:0}.account-menu{display:flex;align-items:center;gap:12px}.account-avatar{width:32px;height:32px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--green);background:#1b3826;font:11px var(--mono)}.account-name{max-width:145px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.account-logout{font-size:11px;color:var(--muted);white-space:nowrap}.library-main{padding:50px 5.2% 40px}.library-hero{display:grid;grid-template-columns:1fr 300px;align-items:end;gap:48px;margin-bottom:40px}.library-hero .eyebrow{margin-bottom:24px;display:block;color:var(--green)}.library-hero h1{margin-bottom:20px;max-width:830px}.library-hero h1 em{font-style:normal;color:var(--green)}.library-hero p{font-size:15px;color:var(--muted);max-width:560px;line-height:1.7;margin-bottom:0}.system-panel{border-left:1px solid var(--line);padding:7px 0 7px 24px;margin-bottom:7px}.system-panel .eyebrow{font-size:10px;color:var(--muted);margin-bottom:15px}.system-stats{display:flex;gap:28px;margin-bottom:14px}.system-stat strong{display:block;font:28px/1.2 var(--mono);color:var(--ink)}.system-stat span{font-size:11px;color:var(--muted)}.system-panel .system-line{font:10px/1.8 var(--mono);color:#799981;max-width:none}.feature-banner{border:1px solid #3b6548;border-radius:var(--radius);min-height:260px;display:grid;grid-template-columns:minmax(0,1fr) 280px;background:linear-gradient(115deg,#193822,#0c1f13 65%,#173020);overflow:hidden;position:relative;margin-bottom:45px;box-shadow:var(--shadow)}.feature-copy{padding:31px 35px;position:relative;z-index:1}.feature-copy .eyebrow{color:var(--green);margin-bottom:21px;display:flex;align-items:center;gap:8px}.feature-copy h2{font-size:clamp(24px,3vw,35px);max-width:550px;margin-bottom:13px;letter-spacing:-.035em}.feature-copy p{color:#a9beae;font-size:13px;max-width:540px;margin-bottom:23px}.feature-bottom{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.feature-bottom .feature-meta{font:10px var(--mono);color:#91b29b;letter-spacing:.04em}.feature-art{position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:230px;background:linear-gradient(90deg,transparent,#112d1c88)}.construct-orbit{width:180px;height:180px;border:1px solid #639f7859;border-radius:50%;display:grid;place-items:center;position:relative;transform:rotate(-25deg)}.construct-orbit:before,.construct-orbit:after{content:"";position:absolute;border:1px solid #639f7845;border-radius:50%;width:220px;height:90px;transform:rotate(40deg)}.construct-orbit:after{transform:rotate(120deg);width:90px;height:220px}.construct-core{width:90px;height:90px;border:1px solid #a1f6b786;border-radius:17px;transform:rotate(25deg);box-shadow:inset 0 0 30px #66ee9222,0 0 50px #66ee9212;display:grid;place-items:center;font:38px var(--mono);color:var(--green);background:#1c482980;position:relative;z-index:1;letter-spacing:-5px;padding-right:5px}.art-coordinate{position:absolute;font:8px var(--mono);color:#649a73;letter-spacing:.13em}.art-coordinate.top{top:25px;right:25px}.art-coordinate.bottom{bottom:25px;right:25px}.feature-art:before{content:"";position:absolute;inset:0;background-image:linear-gradient(#79b38c0c 1px,transparent 1px),linear-gradient(90deg,#79b38c0c 1px,transparent 1px);background-size:25px 25px;mask-image:linear-gradient(to right,transparent,black)}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:22px}.section-heading h2{margin:0;font-size:24px;letter-spacing:-.025em}.section-heading h2 .count{font:12px var(--mono);color:var(--muted);vertical-align:middle;margin-left:10px;letter-spacing:0}.section-heading .eyebrow{font-size:10px}.continue-section{margin-bottom:40px}.continue-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.continue-card{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:18px;display:grid;grid-template-columns:42px minmax(0,1fr) 28px;gap:13px;text-align:left;align-items:center;color:var(--ink);position:relative;overflow:hidden;min-height:108px}.continue-card:hover{border-color:#598768;background:var(--surface-2)}.item-type-icon{width:42px;height:42px;border:1px solid #37563f;background:#163520;border-radius:9px;display:grid;place-items:center;color:var(--green);flex-shrink:0}.item-type-icon.video{color:#b5ceec;background:#182b3a;border-color:#354958}.item-type-icon.book{color:#d6d8ae;background:#2c321d;border-color:#4d5436}.continue-card h3{font-size:14px;line-height:1.35;letter-spacing:0;margin:0 0 5px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.continue-card p{font-size:11px;color:var(--muted);margin:0}.progress-track{height:2px;background:#2c4132;overflow:hidden}.progress-fill{height:100%;background:var(--green);width:var(--progress,0%)}.continue-card .progress-track{position:absolute;bottom:0;left:0;right:0}.library-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:25px}.filter-tabs{display:flex;gap:6px;flex-wrap:wrap}.filter-button{border:1px solid transparent;background:transparent;color:var(--muted);border-radius:7px;padding:9px 14px;display:flex;align-items:center;gap:7px;font-size:12px;min-height:39px}.filter-button:hover{color:var(--ink);background:var(--surface)}.filter-button.active{background:var(--surface-2);color:var(--green);border-color:var(--line)}.filter-button .icon{width:15px;height:15px}.search-box{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:8px;padding:0 13px;background:#0a1710;min-width:280px;max-width:380px;width:34%;color:var(--muted)}.search-box:focus-within{border-color:#6b9a78}.search-box input{border:0!important;padding:11px 0!important;outline:none!important;background:transparent!important;width:100%;min-width:0;font-size:12px;color:var(--ink)}.search-box input::placeholder{color:#829789}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.course-card{border:1px solid var(--line);border-radius:13px;background:var(--surface);overflow:hidden;transition:border-color .18s,transform .18s;display:flex;flex-direction:column;min-width:0}.course-card:hover{border-color:#587661;transform:translateY(-2px)}.course-cover{height:144px;padding:21px 22px;position:relative;overflow:hidden;border-bottom:1px solid var(--line-soft);background:linear-gradient(135deg,#223c2b,#11251a);display:flex;flex-direction:column;justify-content:space-between}.course-cover:before{content:"";position:absolute;inset:0;background-image:linear-gradient(#a1f6b709 1px,transparent 1px),linear-gradient(90deg,#a1f6b709 1px,transparent 1px);background-size:22px 22px;mask-image:linear-gradient(90deg,transparent,black)}.course-cover.cover-1{background:linear-gradient(135deg,#253e42,#111f23)}.course-cover.cover-2{background:linear-gradient(135deg,#41422a,#23251a)}.course-cover.cover-3{background:linear-gradient(135deg,#343043,#1b1825)}.course-cover.cover-4{background:linear-gradient(135deg,#453729,#251c12)}.course-cover .cover-code{font:9px var(--mono);letter-spacing:.14em;position:relative;z-index:1;color:#b5d2bf}.cover-title{font:500 32px/1 var(--mono);letter-spacing:-.09em;color:#c7e9d1;position:relative;z-index:1;text-transform:uppercase;max-width:82%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cover-icon{position:absolute;right:22px;bottom:18px;width:70px;height:70px;opacity:.16;transform:rotate(-12deg);stroke-width:.8}.cover-type{position:absolute;right:16px;top:16px}.cover-type .tag{font-size:9px;background:#07110d50;border-color:#91bba430;color:#c3d8c8}.course-body{padding:21px 22px;display:flex;flex-direction:column;flex:1}.course-collection{font:9px var(--mono);color:#7fa68a;letter-spacing:.1em;text-transform:uppercase;margin-bottom:11px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.course-body h3{font-size:18px;line-height:1.35;letter-spacing:-.025em;margin-bottom:10px}.course-description{font-size:12px;line-height:1.65;color:var(--muted);margin-bottom:19px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.course-meta{display:flex;gap:12px;font:10px var(--mono);color:var(--muted);margin-top:auto;margin-bottom:18px;flex-wrap:wrap}.course-meta span{display:inline-flex;align-items:center;gap:5px}.course-footer{border-top:1px solid var(--line-soft);padding-top:14px;display:flex;align-items:center;justify-content:space-between;gap:10px}.course-footer .text-button{font-size:12px}.course-progress-label{font:9px var(--mono);color:#7d9b86}.course-open{position:absolute;inset:0;z-index:1;opacity:0;pointer-events:none}.course-empty{color:var(--muted);font-size:12px}.collection-filter{display:flex;align-items:center;gap:10px;margin-bottom:18px;font-size:12px;color:var(--green)}.collection-filter button{font-size:12px;color:var(--muted);background:none;border:0}.empty-state{border:1px dashed #36513f;border-radius:13px;text-align:center;padding:50px 20px;grid-column:1/-1;color:var(--muted)}.empty-state .icon{width:32px;height:32px;margin-bottom:14px;color:#78aa87}.empty-state h3{font-size:18px;color:var(--ink);letter-spacing:-.02em;margin-bottom:10px}.empty-state p{max-width:430px;margin:0 auto 18px;font-size:13px}.empty-state .button{margin-top:8px}.library-footer{display:flex;justify-content:space-between;gap:20px;padding-top:35px;margin-top:40px;border-top:1px solid var(--line-soft);font:9px var(--mono);letter-spacing:.07em;color:#6d8b77}.library-footer span:last-child{color:#8aae94}.all-notes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.note-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:19px;min-width:0}.note-card p{font-size:13px;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.7;margin:14px 0 15px}.note-context{font-size:12px;font-weight:550;color:var(--ink);line-height:1.5;margin:8px 0 0}.note-top{display:flex;justify-content:space-between;gap:10px;align-items:center}.note-timestamp{border:1px solid #37583f;border-radius:5px;padding:3px 7px;background:#183222;color:var(--green);font:10px var(--mono)}.note-date{font:9px var(--mono);color:var(--muted)}.note-delete{font-size:11px;background:none;border:0;color:var(--muted);padding:5px}.note-delete:hover{color:var(--danger)}.note-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px}.course-detail-header{margin-bottom:27px}.course-detail-header .text-button{margin-bottom:22px}.course-detail-header h1{font-size:clamp(32px,4vw,52px);margin:13px 0 16px}.course-detail-header p{max-width:750px;color:var(--muted);font-size:14px}.lesson-list{border:1px solid var(--line);border-radius:13px;overflow:hidden;background:var(--surface)}.lesson-row{display:flex;align-items:center;gap:18px;padding:20px 24px;border-bottom:1px solid var(--line-soft);width:100%;background:transparent;color:var(--ink);text-align:left;cursor:pointer}.lesson-row:last-child{border-bottom:0}.lesson-row:hover{background:var(--surface-2)}.lesson-number{font:11px var(--mono);color:#6e917b;min-width:23px}.lesson-info{flex:1;min-width:0}.lesson-info strong{display:block;font-size:14px;font-weight:550;margin-bottom:5px;line-height:1.45}.lesson-info span{display:flex;gap:11px;color:var(--muted);font:10px var(--mono);flex-wrap:wrap}.lesson-row>.icon{color:var(--green)}.lesson-status{font:10px var(--mono);color:var(--muted);margin-left:auto;white-space:nowrap}.study-main{padding:28px 4% 50px}.study-topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;gap:20px}.study-breadcrumb{font-size:12px;color:var(--muted);overflow:hidden;white-space:nowrap;text-overflow:ellipsis;max-width:75%}.study-breadcrumb button{border:0;background:none;padding:0;color:var(--green);font:inherit}.study-breadcrumb span{margin:0 10px;color:#557460}.study-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:28px}.lesson-sidebar{border:1px solid var(--line);border-radius:12px;background:#0a1710;align-self:start;position:sticky;top:20px;max-height:calc(100vh - 40px);overflow:auto}.sidebar-heading{padding:20px;border-bottom:1px solid var(--line-soft)}.sidebar-heading .eyebrow{font-size:9px;display:block;margin-bottom:9px}.sidebar-heading h2{font-size:15px;letter-spacing:-.015em;line-height:1.45;margin:0}.sidebar-lesson{width:100%;border:0;border-bottom:1px solid var(--line-soft);background:none;color:var(--muted);text-align:left;display:flex;gap:10px;align-items:start;padding:16px;font-size:11px;line-height:1.5}.sidebar-lesson:last-child{border-bottom:0}.sidebar-lesson:hover{background:var(--surface-2);color:var(--ink)}.sidebar-lesson.active{background:#1a3625;color:var(--green);box-shadow:inset 2px 0 var(--green)}.sidebar-lesson .icon{width:15px;height:15px;margin-top:2px;flex-shrink:0}.sidebar-lesson small{display:block;margin-top:4px;font:9px var(--mono);color:#809f89}.study-content{min-width:0}.study-heading{display:flex;justify-content:space-between;gap:20px;align-items:start;margin-bottom:23px}.study-heading h1{font-size:clamp(25px,3vw,38px);line-height:1.2;margin:11px 0 0}.study-heading .tag{font-size:9px}.save-indicator{font:9px var(--mono);color:#92b49c;white-space:nowrap;min-height:20px}.save-indicator.error{color:var(--danger)}.media-stage{background:#020704;border:1px solid var(--line);border-radius:12px;overflow:hidden;position:relative;box-shadow:var(--shadow)}.media-stage video{display:block;width:100%;max-height:65vh;min-height:200px;background:#020704}.audio-visual{height:250px;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse,#204a2c55,transparent 65%),linear-gradient(#13371e15 1px,transparent 1px);background-size:auto,100% 4px;position:relative;overflow:hidden}.audio-disc{width:146px;height:146px;border:1px solid #a1f6b765;border-radius:50%;display:grid;place-items:center;position:relative;box-shadow:0 0 0 16px #73ff9905,0 0 0 17px #73ff9915,0 0 0 37px #73ff9903,0 0 0 38px #73ff9909}.audio-disc .icon{width:49px;height:49px;stroke-width:1;color:var(--green)}.audio-visual .eyebrow{position:absolute;left:24px;top:23px;font-size:9px;color:#719f7c}.audio-signal{position:absolute;bottom:23px;right:24px;font:9px var(--mono);color:#709c7b}.media-stage audio{width:calc(100% - 32px);margin:0 16px 16px;display:block;filter:sepia(.4) hue-rotate(65deg) saturate(.6)}.player-controls{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:12px 16px;border-top:1px solid var(--line-soft);background:#0d1b13;flex-wrap:wrap}.player-controls-group{display:flex;align-items:center;gap:10px}.player-controls .icon-button{border:1px solid var(--line);height:32px;width:38px;font:10px var(--mono);gap:1px;color:var(--ink)}.player-controls .icon-button .icon{width:13px;height:13px}.speed-control{display:flex;align-items:center;gap:8px;font-size:10px;color:var(--muted)}.speed-control select,.reader-controls select{border:1px solid var(--line);border-radius:5px;padding:5px 7px;background:var(--surface);color:var(--ink);font:10px var(--mono)}.media-help{padding:14px 18px;font-size:12px;color:var(--muted);line-height:1.65}.media-help a{margin-left:5px}.study-panels{display:grid;grid-template-columns:1.12fr 1fr;gap:22px;margin-top:26px}.study-panel{border:1px solid var(--line);border-radius:11px;background:#0b1811;overflow:hidden;min-width:0}.panel-heading{padding:19px 20px;border-bottom:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between;gap:10px}.panel-heading h2{font-size:16px;letter-spacing:-.02em;margin:0}.panel-heading .tag{font-size:8px}.panel-body{padding:18px 20px}.transcript-search{width:100%;max-width:none;min-width:0;margin-bottom:15px;background:var(--bg)}.transcript-segments{max-height:420px;overflow:auto;scrollbar-width:thin;scrollbar-color:#3d654b transparent;padding-right:4px}.transcript-segment{display:flex;align-items:start;gap:12px;margin-bottom:4px;border-radius:6px;padding:9px 7px}.transcript-segment.active{background:#1b3826}.transcript-segment>button{font:9px var(--mono);color:var(--green);white-space:nowrap;border:0;background:none;padding:4px 0;min-width:36px;text-align:left}.transcript-segment p{font-size:12px;line-height:1.8;margin:0;color:#b4c8ba;overflow-wrap:anywhere}.transcript-segment.active p{color:var(--ink)}mark{background:#9ff6b749;color:#e9fff0;padding:1px 2px;border-radius:2px}.transcript-status{font-size:12px;color:var(--muted);padding:12px 0;line-height:1.75}.transcript-status .icon{width:26px;height:26px;margin-bottom:15px;display:block;color:#719e7e}.note-form textarea{width:100%;resize:vertical;min-height:90px}.note-form label{font-size:11px;color:var(--muted);display:block;margin-bottom:8px}.note-form-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:10px;margin-bottom:22px}.note-form-footer .note-anchor{font:9px var(--mono);color:var(--muted)}.notes-list{display:flex;flex-direction:column;gap:13px;max-height:420px;overflow:auto;scrollbar-width:thin;scrollbar-color:#3d654b transparent}.notes-list .note-card{padding:13px;background:#0d1e14;border-color:var(--line-soft)}.notes-list .note-card p{font-size:12px;margin:9px 0}.note-empty{font-size:12px;color:var(--muted);padding:12px 0;line-height:1.7}.next-lesson{display:flex;justify-content:flex-end;margin-top:25px}.reader-controls{display:flex;align-items:center;justify-content:space-between;padding:12px 15px;gap:15px;flex-wrap:wrap;background:var(--surface);border-bottom:1px solid var(--line)}.reader-page-controls{display:flex;align-items:center;gap:8px}.reader-page-controls label{font-size:11px;color:var(--muted);white-space:nowrap}.reader-page-controls input{width:55px;text-align:center;padding:5px!important;font:11px var(--mono)}.reader-controls .icon-button{height:30px;width:30px;font-size:20px;border:1px solid var(--line)}.reader-search{width:200px;min-width:150px;max-width:none;background:var(--bg)}.reader-search input{padding:6px 0!important;font-size:11px}.reader-canvas-wrap{height:min(75vh,850px);min-height:300px;overflow:auto;background:#1e2822;padding:20px;display:flex;align-items:flex-start;justify-content:center;position:relative;scrollbar-color:#4a6a53 #17251b}.reader-canvas-wrap canvas{max-width:100%;height:auto;box-shadow:0 8px 25px #0005;background:white;display:block}.reader-text-pages{padding:30px 40px;max-height:70vh;overflow:auto;background:#e9eee6;color:#1b2b20;font:16px/1.85 Georgia,serif;white-space:pre-wrap;overflow-wrap:anywhere}.reader-search-results{padding:0 15px;background:var(--surface);font-size:11px;color:var(--muted);max-height:175px;overflow:auto}.reader-search-results:not(:empty){padding:12px 15px;border-bottom:1px solid var(--line)}.reader-search-results button{display:block;width:100%;text-align:left;padding:9px;border:0;border-bottom:1px solid var(--line);background:none;color:var(--muted);font-size:11px;line-height:1.7}.reader-search-results button:hover{background:var(--surface-2);color:var(--ink)}.reader-search-results strong{color:var(--green);margin-right:6px}.reader-loading{padding:70px 20px;text-align:center;color:var(--muted);font:12px var(--mono)}.reader-error{padding:35px 25px;color:var(--muted);font-size:13px;text-align:center;max-width:650px;margin:auto}.reader-error h3{color:var(--ink)}.reader-error .button{margin-top:10px}.login-shell{min-height:100vh;padding:35px 6%;display:flex;flex-direction:column}.login-header{display:flex;justify-content:space-between;align-items:center}.login-main{flex:1;display:grid;grid-template-columns:1.1fr 1fr;gap:8%;align-items:center;padding:70px 0}.login-copy .eyebrow{color:var(--green);margin-bottom:30px;display:block}.login-copy h1{font-size:clamp(45px,6.5vw,89px);line-height:1.03;max-width:720px;margin-bottom:26px}.login-copy h1 em{font-style:normal;color:var(--green)}.login-copy p{max-width:460px;font-size:16px;color:var(--muted);line-height:1.8;margin-bottom:30px}.login-features{display:flex;gap:22px;flex-wrap:wrap;font:10px var(--mono);color:#9cbcA5}.login-features span{display:flex;align-items:center;gap:7px}.login-card{position:relative;border:1px solid #395740;border-radius:17px;background:linear-gradient(145deg,#183721b8,#0b1911ed);padding:43px 38px;max-width:430px;width:100%;justify-self:end;box-shadow:var(--shadow)}.login-card .construct-orbit{margin:6px auto 53px;width:130px;height:130px}.login-card .construct-orbit:before{width:174px;height:64px}.login-card .construct-orbit:after{width:64px;height:174px}.login-card .construct-core{width:67px;height:67px;font-size:29px;border-radius:12px}.login-card h2{font-size:26px;margin-bottom:15px}.login-card p{color:var(--muted);font-size:13px;line-height:1.7;margin-bottom:26px}.login-card .button{width:100%;justify-content:space-between}.login-card small{display:block;font:9px/1.7 var(--mono);color:#82a68e;margin-top:22px}.login-footer{display:flex;justify-content:space-between;border-top:1px solid var(--line-soft);padding-top:23px;font:9px var(--mono);color:#718c79;letter-spacing:.09em}.error-screen{min-height:100vh;display:grid;place-content:center;text-align:center;padding:30px}.error-screen h1{font-size:34px}.error-screen p{color:var(--muted);max-width:500px}.error-screen .button{justify-self:center}input,textarea{background:#07130c;border:1px solid var(--line);border-radius:7px;padding:11px 12px;color:var(--ink);font-size:13px}input::placeholder,textarea::placeholder{color:#6d8978}textarea{line-height:1.65}.course-dialog{color:var(--ink);background:#102017;border:1px solid #466951;border-radius:16px;padding:30px;max-width:520px;width:calc(100% - 32px);box-shadow:0 30px 100px #000a}.course-dialog::backdrop{background:#020905cc;backdrop-filter:blur(6px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.course-dialog h2{margin-bottom:12px}.course-dialog .muted{font-size:13px;margin-bottom:24px}.course-dialog label{display:block;margin:18px 0 7px;font-size:12px;color:#b4caba}.course-dialog input,.course-dialog textarea{width:100%}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.form-error{font-size:12px;color:var(--danger);margin:14px 0 0}.toast-region{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:99;pointer-events:none;max-width:calc(100% - 32px);width:max-content}.toast{background:#d2ffde;color:#0a2413;border:1px solid var(--green);padding:11px 18px;border-radius:8px;box-shadow:0 8px 30px #0006;font-size:12px;animation:toast-enter .2s ease}.toast.error{background:#372820;color:#ffe0d6;border-color:#b96f50}@keyframes toast-enter{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1500px){.course-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.library-hero h1{font-size:72px}.feature-banner{grid-template-columns:minmax(0,1fr) 370px}.feature-art .construct-orbit{width:190px;height:190px}}
@media(max-width:1150px){.primary-nav{margin-left:15px;gap:20px}.account-name{display:none}.library-hero{grid-template-columns:1fr 235px;gap:30px}.system-stats{gap:20px}.course-grid{gap:16px}.course-body{padding:18px}.course-cover{padding:18px}.study-layout{grid-template-columns:200px minmax(0,1fr);gap:20px}.study-panels{grid-template-columns:1fr}.transcript-segments{max-height:330px}.continue-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.continue-section .continue-card:nth-child(3){display:none}}
@media(max-width:850px){.site-header{padding:0 5%;height:76px;gap:20px}.brand-name{font-size:11px}.brand-name small{font-size:8px}.primary-nav{margin-left:auto;gap:18px}.account-avatar{display:none}.account-menu{gap:0}.account-logout{font-size:10px}.nav-button{font-size:11px}.library-main{padding-top:37px}.library-hero{grid-template-columns:1fr}.system-panel{display:none}.library-hero h1{font-size:52px}.feature-banner{grid-template-columns:1fr 190px;min-height:240px}.feature-copy{padding:26px}.feature-copy h2{font-size:28px}.construct-orbit{width:130px;height:130px}.construct-orbit:before{width:180px;height:70px}.construct-orbit:after{width:70px;height:180px}.construct-core{width:70px;height:70px;font-size:32px}.art-coordinate{font-size:7px}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.all-notes{grid-template-columns:repeat(2,minmax(0,1fr))}.library-toolbar{align-items:stretch;flex-direction:column;gap:16px}.search-box{width:100%;max-width:none;min-width:0}.filter-tabs{gap:6px}.filter-button{padding:8px 12px}.study-layout{grid-template-columns:1fr}.lesson-sidebar{position:static;max-height:200px}.sidebar-heading{padding:15px 18px}.sidebar-heading h2{font-size:13px}.sidebar-heading .eyebrow{display:none}.sidebar-lesson{padding:11px 17px}.study-layout{gap:24px}.study-main{padding:22px 5% 35px}.study-heading h1{font-size:29px}.study-panels{grid-template-columns:1fr 1fr;gap:16px}.panel-heading{padding:16px}.panel-body{padding:16px}.login-main{gap:40px}.login-copy h1{font-size:57px}.login-copy p{font-size:14px}.login-card{padding:30px 27px}.login-copy .eyebrow{font-size:9px}.login-features{gap:15px;font-size:9px}}
@media(max-width:600px){.site-header{height:auto;min-height:76px;display:grid;grid-template-columns:1fr auto;gap:0 15px;padding-top:16px}.brand-symbol{width:32px;height:32px;font-size:22px}.brand-name small{display:none}.brand-name{font-size:11px}.account-menu{grid-column:2;grid-row:1}.primary-nav{grid-column:1/-1;grid-row:2;margin:11px 0 0;gap:25px;height:41px}.nav-button{font-size:12px}.library-main{padding:29px 5% 30px}.library-hero{margin-bottom:29px;gap:0}.library-hero .eyebrow{font-size:9px;margin-bottom:20px}.library-hero h1{font-size:42px;line-height:1.08;margin-bottom:18px}.library-hero p{font-size:13px;line-height:1.75}.feature-banner{grid-template-columns:1fr;margin-bottom:31px;min-height:0}.feature-copy{padding:25px 23px}.feature-copy .eyebrow{font-size:9px;margin-bottom:19px}.feature-copy h2{font-size:27px;max-width:320px}.feature-copy p{font-size:12px;max-width:300px}.feature-art{display:none}.feature-bottom{gap:14px}.feature-meta{font-size:9px!important}.feature-bottom .button{font-size:12px}.section-heading{margin-bottom:18px}.section-heading h2{font-size:23px}.section-heading .button{font-size:11px;padding:8px 10px;min-height:35px}.section-heading>.eyebrow{display:none}.course-grid{grid-template-columns:1fr;gap:20px}.course-cover{height:139px;padding:23px}.course-body{padding:22px}.course-body h3{font-size:20px}.course-description{font-size:13px}.course-meta{font-size:10px;margin-bottom:20px}.cover-title{font-size:33px}.continue-grid{grid-template-columns:1fr}.continue-section .continue-card:nth-child(3){display:grid}.continue-card{min-height:97px}.continue-section{margin-bottom:31px}.continue-card h3{font-size:13px}.filter-button{font-size:11px;padding:8px 10px}.filter-tabs{gap:3px}.filter-button .icon{width:13px;height:13px}.library-footer{font-size:8px;line-height:1.7;gap:18px;margin-top:30px;padding-top:24px}.all-notes{grid-template-columns:1fr}.course-detail-header h1{font-size:32px}.course-detail-header p{font-size:13px}.lesson-row{padding:17px 15px;gap:12px}.lesson-number{display:none}.lesson-info strong{font-size:13px}.lesson-info span{font-size:9px}.lesson-status{display:none}.lesson-row .item-type-icon{width:36px;height:36px;border-radius:7px}.study-topbar{margin-bottom:20px}.study-breadcrumb{font-size:11px;max-width:100%}.study-topbar>.tag{display:none}.lesson-sidebar{max-height:175px}.study-heading{gap:12px;flex-direction:column}.study-heading h1{font-size:26px}.study-panels{grid-template-columns:1fr}.panel-heading{padding:18px}.panel-body{padding:18px}.audio-visual{height:210px}.audio-disc{width:115px;height:115px}.audio-visual .eyebrow{font-size:8px}.audio-signal{font-size:8px}.media-stage video{min-height:160px}.player-controls{padding:12px;gap:12px}.player-controls-group{gap:6px}.speed-control{gap:5px}.player-controls .button{padding:6px 9px;font-size:10px;min-height:32px;gap:5px}.player-controls .button .icon{width:14px;height:14px}.save-indicator{font-size:9px}.reader-controls{padding:10px;gap:10px}.reader-search{width:100%;order:2}.reader-canvas-wrap{padding:8px;min-height:250px;height:65vh}.reader-text-pages{padding:24px;font-size:15px}.login-shell{padding:25px 6%}.login-header .eyebrow{font-size:8px}.login-main{grid-template-columns:1fr;gap:45px;padding:65px 0 45px}.login-copy h1{font-size:57px}.login-copy .eyebrow{margin-bottom:23px}.login-copy p{font-size:14px;margin-bottom:25px}.login-card{max-width:none;justify-self:stretch;padding:30px}.login-card .construct-orbit{display:none}.login-card h2{font-size:27px}.login-card p{font-size:13px}.login-card small{font-size:9px}.login-footer{font-size:8px;gap:15px;line-height:1.7}.course-dialog{padding:23px}.dialog-actions .button{font-size:12px}.empty-state{padding:35px 20px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}#matrix-rain{display:none}.button:hover,.course-card:hover{transform:none}}
.logout-form{display:flex;align-items:center;margin:0}.logout-form .account-logout{background:none;border:0;padding:5px 0;cursor:pointer}.logout-form .account-logout:hover{color:var(--green)}.transcript-view-toggle{display:flex;border-bottom:1px solid var(--line-soft);gap:18px;margin:0 0 13px}.transcript-view-toggle button{background:none;border:0;border-bottom:1px solid transparent;padding:6px 0 10px;color:var(--muted);font-size:11px}.transcript-view-toggle button.active{color:var(--green);border-bottom-color:var(--green)}.transcript-full-text{font-size:12px;line-height:1.9;white-space:pre-wrap;color:#bfd2c4;overflow-wrap:anywhere}.upload-help{font-size:11px;color:var(--muted);line-height:1.7;margin-top:10px}.upload-results{max-height:300px;overflow:auto}.upload-file-row{border-top:1px solid var(--line);padding:12px 0}.upload-file-row>div{display:flex;flex-direction:column;gap:4px;margin-bottom:7px}.upload-file-row strong{font-size:12px;font-weight:500;overflow-wrap:anywhere}.upload-status{font-size:10px;color:var(--muted)}.upload-file-row progress{width:100%;height:4px;accent-color:var(--green);background:var(--line);border:0}.upload-file-row progress::-webkit-progress-bar{background:var(--line)}.upload-file-row progress::-webkit-progress-value{background:var(--green)}.upload-file-row.complete .upload-status{color:var(--green)}.upload-file-row.failed .upload-status{color:var(--danger)}
.resource-image{padding:22px;background:#122119;display:flex;justify-content:center;align-items:center;min-height:200px}.resource-image img{display:block;max-width:100%;max-height:75vh;object-fit:contain}.resource-toolbar{display:flex;justify-content:space-between;padding:14px 20px;gap:15px;border-top:1px solid var(--line)}.resource-card{padding:55px 30px;text-align:center;max-width:620px;margin:auto}.resource-card>.icon{width:48px;height:48px;margin-bottom:24px;color:var(--green);stroke-width:1}.resource-card h2{font-size:26px}.resource-card p{color:var(--muted);font-size:13px;line-height:1.8;max-width:470px;margin:0 auto 25px}.reader-text-pages a{color:#1b6440;text-decoration:underline;overflow-wrap:anywhere}

/* Belshazzar's archive: narrative decoration, with familiar learning controls. */
.library-hero h1{font-size:clamp(40px,4.7vw,66px)}
.archive-shortcut{margin-top:13px;min-height:44px;font-size:13px}
.archive-briefing{display:grid;grid-template-columns:210px minmax(0,1fr) 240px;align-items:stretch;gap:30px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(120deg,#102319b3,#0a1811e6);padding:28px;margin:0 0 34px;position:relative;isolation:isolate}
.archive-briefing:before{content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;pointer-events:none;background-image:linear-gradient(#8de4a505 1px,transparent 1px);background-size:100% 5px}
.archive-briefing .eyebrow{display:block;font-size:9px;letter-spacing:.14em}
.mission-vessel{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;min-width:0;padding:8px 0}
.ship-schematic{display:block;width:100%;max-width:300px;overflow:visible;stroke-linecap:round;stroke-linejoin:round}
.ship-grid{stroke:#73b18a;stroke-width:.65;opacity:.24}
.ship-hull{stroke:#a1f6b7;stroke-width:1.2;fill:#122f20;fill-opacity:.72}
.ship-drive{stroke:#b8f8ca;stroke-width:1.1;fill:#24583a}
.ship-axis{stroke:#7da98a;stroke-width:.8;opacity:.6}
.mission-vessel .ship-schematic{margin:8px 0 2px}
.vessel-name{font:12px/1.5 var(--mono);letter-spacing:.22em;color:var(--green)}
.vessel-name small{display:block;font-size:7px;letter-spacing:.15em;color:var(--muted);margin-top:5px}
.mission-copy{align-self:center;min-width:0}
.mission-copy>.eyebrow{margin-bottom:12px;color:#a2baa9}
.mission-copy h2{font-size:27px;line-height:1.17;letter-spacing:-.035em;margin:0 0 13px}
.mission-copy>p{font-size:12px;line-height:1.85;color:var(--muted);max-width:530px;margin-bottom:11px}
.crew-briefing{font-size:12px;line-height:1.75;max-width:540px}
.crew-briefing summary{display:flex;align-items:center;gap:9px;min-height:44px;color:var(--green);cursor:pointer;list-style:none;width:fit-content}
.crew-briefing summary::-webkit-details-marker{display:none}
.crew-briefing summary:focus-visible{outline:2px solid var(--green);outline-offset:4px;border-radius:3px}
.crew-briefing summary:hover{text-decoration:underline}
.crew-briefing[open] summary .icon{transform:rotate(90deg)}
.crew-briefing p{color:#aec5b5;border-left:1px solid #43664d;margin:4px 0 0;padding-left:13px;font-size:12px;line-height:1.85}
.zion-access{border-left:1px solid var(--line);padding:3px 0 3px 27px;align-self:center;min-width:0}
.archive-glyph{margin:18px 0 14px;width:39px;height:39px;border:1px solid #486d53;border-radius:9px;background:#163822;display:grid;place-items:center;color:var(--green)}
.archive-glyph .icon{width:21px;height:21px}
.zion-access h3{font-size:19px;line-height:1.2;letter-spacing:-.03em;margin-bottom:10px}
.zion-access p{font-size:12px;line-height:1.75;color:var(--muted);margin-bottom:6px}
.zion-access .text-button{min-height:44px;font-size:12px}
#library-title{scroll-margin-top:24px}
#library-title:focus-visible{outline:2px solid var(--green);outline-offset:6px;border-radius:3px}
.panel-context{display:inline-block;margin-left:8px;color:#8aad95;font:8px/1.5 var(--mono);letter-spacing:.13em;vertical-align:middle}
.login-vessel{display:grid;place-items:center;margin:0 0 25px;min-height:154px}
.login-vessel .ship-schematic{max-width:280px;filter:drop-shadow(0 0 14px #76ee9b12)}
.login-copy h1{font-size:clamp(45px,6vw,82px)}
.login-footer span:last-child{max-width:55%;text-align:right}
@media(max-width:1150px){.archive-briefing{grid-template-columns:155px minmax(0,1fr) 190px;gap:24px;padding:25px}.zion-access{padding-left:23px}.mission-copy h2{font-size:24px}.archive-briefing .eyebrow{font-size:8px}.vessel-name{font-size:11px}.zion-access h3{font-size:18px}}
@media(max-width:850px){.archive-briefing{grid-template-columns:160px minmax(0,1fr);gap:24px;padding:25px}.zion-access{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 25px;border-left:0;border-top:1px solid var(--line);padding:20px 0 0}.zion-access>.eyebrow{grid-column:1/-1}.zion-access .archive-glyph{display:none}.zion-access h3{grid-column:1;margin:7px 0 2px}.zion-access p{grid-column:1;margin:0;max-width:400px}.zion-access .text-button{grid-column:2;grid-row:2/4;align-self:center}.library-hero h1{font-size:51px}.login-copy h1{font-size:52px}.login-vessel{min-height:130px}.panel-context{font-size:7px;margin-left:5px}}
@media(max-width:600px){.archive-briefing{grid-template-columns:1fr;gap:22px;padding:23px;margin-bottom:29px}.mission-vessel{display:grid;grid-template-columns:110px minmax(0,1fr);column-gap:20px;text-align:left;padding:0;justify-content:initial;align-items:center}.mission-vessel>.eyebrow{grid-column:2;align-self:end;margin-bottom:5px}.mission-vessel .ship-schematic{grid-column:1;grid-row:1/3;margin:0;width:110px}.vessel-name{grid-column:2;align-self:start;font-size:12px;letter-spacing:.14em}.vessel-name small{font-size:7px;margin-top:3px}.mission-copy h2{font-size:25px}.mission-copy>p,.crew-briefing p{font-size:12px}.zion-access{grid-column:1;padding-top:21px;gap:3px 12px}.zion-access h3{font-size:17px}.zion-access p{font-size:11px}.zion-access .text-button{grid-column:1;grid-row:auto;justify-self:start;margin-top:4px;font-size:12px}.library-hero h1{font-size:40px}.login-copy h1{font-size:51px}.login-vessel{min-height:0;margin:-5px 0 20px;justify-content:start}.login-vessel .ship-schematic{width:165px}.panel-context{font-size:8px}.login-header .eyebrow{font-size:7px;max-width:95px;text-align:right}.login-header .dot{display:none}.login-footer{gap:18px}.login-footer span:last-child{max-width:55%}}

/* Listening deck: persistent controls remain separate from the rendered lesson. */
#persistent-audio{display:none}.has-audio-dock{padding-bottom:112px}.current-chapter-title{display:block;font-size:.46em;font-weight:500;color:var(--muted);line-height:1.5;margin-top:12px}.audiobook-player{overflow:hidden;border-radius:var(--radius);background:var(--surface)}.listening-art{position:relative;display:grid;grid-template-columns:130px 1fr;gap:22px;padding:30px 34px 36px;overflow:hidden;background:radial-gradient(ellipse at 10% 100%,#29643b60,transparent 65%),linear-gradient(125deg,#122e1d,#08150e);border-bottom:1px solid var(--line)}.listening-art>.eyebrow{grid-column:1/-1;color:var(--green);position:relative;z-index:1}.listening-emblem{position:relative;width:126px;height:126px;border:1px solid #619276;border-radius:50%;display:grid;place-content:center;box-shadow:0 0 0 10px #17382570,0 0 0 11px #35694450;z-index:1}.listening-emblem>.icon{width:54px;height:54px;stroke-width:1;color:var(--green)}.listening-emblem>span{font-family:var(--mono);font-size:11px;text-align:center;color:var(--muted);margin-top:5px}.listening-art-copy{position:relative;align-self:center;z-index:1}.listening-art-copy h2{font-size:clamp(24px,3.1vw,36px);font-weight:550;line-height:1.16;letter-spacing:-1px;margin:15px 0 10px;max-width:600px}.listening-art-copy p{font-size:13px;color:var(--muted);margin:0}.listening-bars{position:absolute;right:0;bottom:0;width:56%;height:70%;display:flex;align-items:end;gap:7px;opacity:.12;pointer-events:none}.listening-bars i{display:block;height:var(--bar);flex:1;background:linear-gradient(0deg,var(--green),transparent)}.listening-controls{padding:26px 32px}.now-chapter{display:flex;flex-direction:column;gap:8px}.now-chapter strong{font-size:17px;font-weight:550}.now-chapter .eyebrow{color:var(--muted);font-size:10px}.audio-timeline{display:block;margin-top:24px}.audio-timeline input{display:block;width:100%;height:22px;accent-color:var(--green);padding:0;cursor:pointer;background:transparent;border:0;box-shadow:none}.audio-times{display:flex;justify-content:space-between;font:11px var(--mono);color:var(--muted);margin:5px 0 15px}.audio-transport{display:flex;align-items:center;justify-content:center;gap:25px}.audio-play{display:grid;place-items:center;border:0;border-radius:50%;width:58px;height:58px;color:#082514;background:var(--green);cursor:pointer;flex-shrink:0}.audio-play:hover{background:var(--bright)}.audio-play .icon{width:26px;height:26px;stroke-width:1.5}.pause-symbol{font-size:25px;line-height:1;font-weight:700;letter-spacing:-5px;margin-left:-4px}.audio-skip{display:flex;flex-direction:column;align-items:center;gap:5px;border:0;background:none;color:var(--ink);cursor:pointer;padding:8px;font:10px var(--mono)}.audio-skip .icon{width:23px;height:23px}.audio-transport .icon-button:disabled{opacity:.25;cursor:default}.listening-options{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:25px;padding-top:20px;border-top:1px solid var(--line-soft)}.chapter-download{font-size:11px}.listening-preferences{margin-top:20px;border-top:1px solid var(--line-soft);padding-top:17px}.listening-preferences summary{cursor:pointer;font-size:13px;color:var(--ink);padding:3px 0}.listening-preferences summary span{font-size:10px;color:var(--muted);margin-left:9px}.preference-controls{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin:20px 0}.volume-control{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted)}.volume-control input{width:105px;height:20px;accent-color:var(--green);padding:0;border:0;background:transparent}.volume-control output{min-width:35px;font:10px var(--mono)}.check-control{display:flex;gap:8px;align-items:center;font-size:12px;color:var(--muted)}.check-control input{width:16px;height:16px;accent-color:var(--green);margin:0}.preference-actions{display:flex;align-items:center;gap:18px}.preference-help{color:var(--muted);font-size:11px;line-height:1.6;max-width:600px;margin:14px 0 10px}.listening-save,.listening-progress-status{display:flex;align-items:center;gap:12px;flex-wrap:wrap;color:var(--muted);font:10px var(--mono);min-height:25px}.listening-save .text-button,.listening-progress-status .text-button{font-size:10px}.listening-progress-status{border-top:1px solid var(--line-soft);margin-top:14px;padding-top:13px}.audio-error{font-size:12px;color:var(--danger);padding-top:16px;line-height:1.6}.audio-error .text-button{font-size:12px;color:var(--green)}.audio-bookmarks{border-top:1px solid var(--line);background:var(--surface)}.audio-bookmarks .panel-heading{padding:20px 28px}.audio-bookmarks h2{font-size:16px}.audio-bookmarks .note-empty{margin:0;padding:22px 28px}.audio-bookmark{display:flex;align-items:center;gap:18px;padding:15px 28px;border-top:1px solid var(--line-soft)}.bookmark-location{flex:1;display:flex;align-items:center;gap:12px;min-width:0;color:var(--green);background:none;border:0;text-align:left;cursor:pointer;padding:0}.bookmark-location>span{display:grid;gap:5px;min-width:0}.bookmark-location strong{font-size:12px;font-weight:500}.bookmark-location small{font-size:10px;color:var(--muted);line-height:1.4}.audio-bookmark>.text-button{font-size:11px}.lesson-sidebar .sidebar-heading p{font:10px var(--mono);color:var(--muted);line-height:1.5;margin:12px 0 0}.audio-dock{position:fixed;bottom:0;left:0;right:0;z-index:70;display:flex;align-items:center;gap:22px;padding:16px max(22px,calc((100vw - 1380px)/2));background:#102218f7;border-top:1px solid #42624c;box-shadow:0 -10px 40px #0007;backdrop-filter:blur(18px);min-height:90px}.audio-dock[hidden]{display:none}.dock-title{display:flex;align-items:center;gap:15px;flex:1;min-width:0;text-align:left;background:none;border:0;color:var(--ink);cursor:pointer;padding:0}.dock-title>.icon{width:26px;height:26px;color:var(--green);flex-shrink:0}.dock-title>span{display:grid;gap:5px;min-width:0}.dock-title small{font:9px var(--mono);color:var(--green);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:470px}.dock-title strong{font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:470px}.dock-controls{display:flex;align-items:center;gap:16px}.dock-controls .audio-play{width:44px;height:44px}.dock-controls .icon-button{font:10px var(--mono);display:flex;gap:5px}.dock-controls .icon{width:19px;height:19px}.dock-time{font:11px var(--mono);color:var(--muted);white-space:nowrap}.dock-close{font-size:24px;color:var(--muted)}.dock-progress{position:absolute;top:-1px;left:0;width:100%;height:2px;background:transparent}.dock-progress span{display:block;height:100%;background:var(--green)}.has-audio-dock .toast-region{bottom:110px}.audio-dock button:focus-visible,.audiobook-player button:focus-visible,.audio-bookmarks button:focus-visible{outline:2px solid var(--green);outline-offset:4px}.audiobook-player input:focus-visible{outline:2px solid var(--green);outline-offset:4px}.audio-bookmarks button:disabled{opacity:.5;cursor:wait}
@media(max-width:850px){.listening-art{grid-template-columns:95px 1fr;padding:25px;gap:20px}.listening-emblem{width:90px;height:90px}.listening-emblem>.icon{width:40px;height:40px}.listening-controls{padding:24px}.dock-time{display:none}.audio-dock{gap:16px}.dock-title small,.dock-title strong{max-width:300px}.dock-controls{gap:10px}}
@media(max-width:600px){.has-audio-dock{padding-bottom:136px}.listening-art{padding:24px 20px;gap:22px;grid-template-columns:76px 1fr}.listening-emblem{width:70px;height:70px;box-shadow:0 0 0 6px #17382570,0 0 0 7px #35694450}.listening-emblem>.icon{width:32px;height:32px}.listening-emblem>span{font-size:9px}.listening-art-copy h2{font-size:25px;margin:12px 0 8px}.listening-art-copy p{font-size:11px}.listening-art>.eyebrow{font-size:9px}.listening-controls{padding:21px 18px}.audio-transport{gap:15px}.audio-play{width:56px;height:56px}.listening-options{gap:14px}.chapter-download{width:100%;padding-top:5px}.listening-preferences summary span{display:block;margin:7px 0 0 17px}.preference-controls{gap:16px}.volume-control{width:100%}.volume-control input{flex:1}.audio-bookmarks .panel-heading{padding:18px}.audio-bookmarks .tag{font-size:8px}.audio-bookmark{padding:16px 18px;gap:12px}.audio-dock{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;padding:13px 18px 12px;min-height:112px}.dock-title{grid-column:1}.dock-title small,.dock-title strong{max-width:100%}.dock-title>.icon{width:20px}.dock-title strong{font-size:11px}.dock-controls{grid-column:1/-1;grid-row:2;justify-content:center;gap:28px}.dock-controls .audio-play{width:38px;height:38px}.dock-bookmark{grid-row:1;grid-column:2;margin-right:35px}.dock-close{grid-row:1;grid-column:2;justify-self:end;width:25px}.has-audio-dock .toast-region{bottom:130px}.current-chapter-title{font-size:.52em}.preference-help{font-size:11px}.listening-save{line-height:1.5}}
.audio-study{padding-top:24px}.audio-study .study-topbar{margin-bottom:20px}.audio-study .study-heading{margin-bottom:18px;gap:15px}.audio-study .study-heading h1{font-size:32px;margin:10px 0 0}.audio-study .current-chapter-title{display:none}.audio-study .listening-art{grid-template-columns:70px 1fr;padding:17px 26px;gap:9px 20px}.audio-study .listening-art>.eyebrow{font-size:9px}.audio-study .listening-emblem{width:62px;height:62px;box-shadow:0 0 0 5px #17382570,0 0 0 6px #35694450}.audio-study .listening-emblem>.icon{width:28px;height:28px}.audio-study .listening-emblem>span{font-size:8px;margin-top:0}.audio-study .listening-art-copy h2{font-size:23px;letter-spacing:-.5px;margin:5px 0}.audio-study .listening-art-copy .tag{display:none}.audio-study .listening-art-copy p{font-size:11px}.audio-study .listening-controls{padding:20px 28px}.audio-study .audio-timeline{margin-top:15px}.audio-study .audio-times{margin-bottom:9px}.audio-study .listening-options{margin-top:18px;padding-top:14px}.audio-chapters-mobile{display:none}
@media(max-width:850px){.audio-study .lesson-sidebar{display:none}.audio-study .study-layout{display:block}.audio-chapters-mobile{display:block;border-top:1px solid var(--line-soft);margin-top:18px;padding-top:15px}.audio-chapters-mobile summary{font-size:13px;cursor:pointer}.audio-chapters-mobile summary>span{font-size:10px;color:var(--muted);margin-left:10px}.audio-chapters-mobile .sidebar-lesson{width:100%;display:flex;padding:12px 5px}.audio-chapters-mobile .sidebar-lesson>span{flex:1}.audio-chapters-mobile[open]{max-height:320px;overflow:auto}.audio-study .study-heading h1{font-size:28px}}
@media(max-width:600px){.audio-study{padding-top:16px}.audio-study .study-topbar{margin-bottom:15px}.audio-study .study-heading{margin-bottom:14px}.audio-study .study-heading h1{font-size:26px}.audio-study .study-heading .save-indicator{display:none}.audio-study .study-heading .tag{font-size:9px}.audio-study .listening-art{padding:13px 18px;grid-template-columns:45px 1fr;gap:7px 15px}.audio-study .listening-art>.eyebrow{font-size:8px}.audio-study .listening-emblem{width:42px;height:42px;box-shadow:none}.audio-study .listening-emblem>.icon{width:24px;height:24px}.audio-study .listening-emblem>span{display:none}.audio-study .listening-art-copy h2{font-size:17px;margin:0}.audio-study .listening-art-copy p{font-size:10px;margin-top:5px}.audio-study .listening-controls{padding:16px 18px}.audio-study .now-chapter{gap:5px}.audio-study .now-chapter strong{font-size:14px}.audio-study .audio-timeline{margin-top:10px}.audio-study .audio-times{margin-top:2px;margin-bottom:6px}.audio-study .audio-play{width:48px;height:48px}.audio-study .listening-options{margin-top:14px;padding-top:12px}.audio-study .listening-options .chapter-download{font-size:10px;padding:0}.audio-study .audio-transport{gap:13px}}
.dock-sync{position:absolute;bottom:100%;right:18px;max-width:calc(100% - 36px);display:flex;align-items:center;gap:16px;padding:10px 16px;background:#18261d;border:1px solid #6e7650;border-bottom:0;border-radius:8px 8px 0 0;color:var(--danger);font-size:11px}.dock-sync .text-button{font-size:11px;white-space:nowrap}

/* Paired speed buttons retain the native selector and its keyboard behavior. */
.speed-picker{display:inline-flex;align-items:center;gap:6px;flex-shrink:0}
.speed-stepper{display:grid;grid-template-rows:repeat(2,24px);width:32px;border:1px solid var(--line);border-radius:6px;background:var(--surface);flex-shrink:0}
.speed-stepper button{display:grid;place-items:center;min-width:0;min-height:24px;padding:0;border:0;border-radius:5px 5px 0 0;background:transparent;color:var(--green);cursor:pointer;touch-action:manipulation}
.speed-stepper button+button{border-top:1px solid var(--line);border-radius:0 0 5px 5px}
.speed-stepper button:hover:not(:disabled){background:var(--surface-hover,#173825);color:var(--bright)}
.speed-stepper button:active:not(:disabled){background:#234b32}
.speed-stepper button:disabled{color:var(--muted);opacity:.35;cursor:default}
.speed-stepper button:focus-visible{outline:2px solid var(--green);outline-offset:2px;position:relative;z-index:1}
.speed-stepper .icon{width:15px;height:15px;stroke-width:1.8}
.speed-arrow-up{transform:rotate(-90deg)}
.speed-arrow-down{transform:rotate(90deg)}
@media(pointer:coarse){.speed-stepper{width:38px;grid-template-rows:repeat(2,28px)}.speed-stepper button{min-height:28px}}

/* Opt-in, still-background reading display. Audio remains the only playback clock. */
.word-runner[hidden],.listening-art[hidden]{display:none}
.word-runner{padding:22px 28px 18px;background:radial-gradient(ellipse at 50% 100%,#173b2460,transparent 75%),#06100b;border-bottom:1px solid var(--line)}
.word-runner-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font:10px var(--mono)}
.word-runner-heading .eyebrow{color:var(--green);font-size:9px}
.word-runner-stage{position:relative;display:grid;place-items:center;min-height:160px;margin:12px 0;overflow:hidden;border-top:1px solid #234b3255;border-bottom:1px solid #234b3255}
.word-runner-stage::before,.word-runner-stage::after{content:'';position:absolute;left:calc(50% - 1px);width:2px;height:7px;background:var(--green);opacity:.65}
.word-runner-stage::before{top:0}.word-runner-stage::after{bottom:0}
#word-runner-word{max-width:100%;padding:12px 0;font-size:64px;line-height:1.2;font-weight:550;letter-spacing:-.025em;color:var(--green);text-align:center;overflow-wrap:anywhere}
.word-runner>p:not(.sr-only){margin:0;font-size:11px;line-height:1.5;color:var(--muted);text-align:center}
.word-runner-toggle[aria-pressed="true"]{border-color:var(--green);background:#1d3c29;color:var(--green)}
@media(max-width:600px){.word-runner{padding:18px}.word-runner-heading{font-size:9px;flex-wrap:wrap;gap:7px}.word-runner-stage{min-height:130px;margin:10px 0}.word-runner>p:not(.sr-only){font-size:10px}.word-runner-toggle{min-height:40px}}