:root{
  --bg:#08111d;
  --surface:#0d1724;
  --surface-2:#111d2c;
  --surface-3:#162438;
  --line:#203249;
  --line-soft:rgba(150,180,210,.12);
  --text:#f3f7fb;
  --muted:#93a7bb;
  --accent:#66d9d0;
  --accent-2:#7eaaf7;
  --good:#7de2a6;
  --danger:#ff9a9a;
  --shadow:0 18px 48px rgba(0,0,0,.24);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);min-height:100vh}
button,select,textarea{font:inherit}
a{color:inherit}
.wrap{width:min(1440px,calc(100% - 40px));margin:auto}
.small{font-size:.8rem}.muted{color:var(--muted)}

.topbar{position:sticky;top:0;z-index:30;background:rgba(8,17,29,.96);border-bottom:1px solid var(--line-soft);backdrop-filter:blur(18px)}
.topbar-inner{min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand-block{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--text)}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(145deg,rgba(102,217,208,.18),rgba(126,170,247,.18));border:1px solid rgba(102,217,208,.22);color:var(--accent);font-weight:900}
.brand-block>span:last-child{display:grid;gap:1px}.brand{font-size:1rem;letter-spacing:-.01em}.brand-block small{color:var(--muted);font-size:.7rem}
.header-progress{width:190px;display:grid;gap:5px;justify-items:end;color:var(--muted);font-size:.72rem;font-weight:700}
.progress-track{height:7px;width:100%;background:#07101a;border-radius:999px;overflow:hidden;border:1px solid rgba(255,255,255,.05)}
.progress-track.compact{height:5px}.progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .25s ease}

.main{padding:22px 0 52px}
.panel{background:var(--surface);border:1px solid var(--line-soft);border-radius:16px;box-shadow:var(--shadow)}
.eyebrow{display:inline-flex;align-items:center;color:var(--accent);text-transform:uppercase;letter-spacing:.08em;font-size:.69rem;font-weight:800}

.overview-strip{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 20px;border:1px solid var(--line-soft);background:linear-gradient(135deg,rgba(17,29,44,.95),rgba(12,22,34,.95));border-radius:16px}
.overview-strip h1{font-size:clamp(1.45rem,2.5vw,2.25rem);line-height:1.08;letter-spacing:-.035em;margin:5px 0 6px;max-width:780px}.overview-strip p{margin:0;color:var(--muted);line-height:1.5;max-width:760px;font-size:.9rem}
.overview-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}

.button,.text-button,.icon-label-button,.menu-action{appearance:none;border:1px solid var(--line);background:var(--surface-2);color:var(--text);border-radius:10px;padding:9px 12px;font:inherit;font-weight:750;cursor:pointer;text-decoration:none;transition:border-color .15s ease,background .15s ease,transform .15s ease}
.button:hover,.text-button:hover,.icon-label-button:hover,.menu-action:hover{border-color:rgba(102,217,208,.5);background:var(--surface-3)}
.button.primary{background:linear-gradient(135deg,#287e80,#356ca8);border-color:transparent}
.button.quiet{background:transparent;color:#c6d4e2}.text-button{padding:6px 9px;background:transparent;color:#b7cce0;border-color:transparent}.text-button:hover{background:rgba(255,255,255,.04)}

.workspace-section{margin-top:18px;scroll-margin-top:142px}.workspace-head{display:flex;align-items:flex-end;justify-content:space-between;gap:22px;padding:16px 2px 12px}.workspace-heading{min-width:0;max-width:930px}.workspace-kicker{display:flex;align-items:center;gap:9px}.workspace-year{color:var(--muted);font-size:.72rem}.workspace-head h2{font-size:clamp(1.55rem,2.7vw,2.35rem);margin:5px 0 5px;letter-spacing:-.03em}.workspace-head p{margin:0;line-height:1.5;font-size:.88rem;max-width:850px}
.workspace-actions{display:flex;align-items:center;gap:7px;flex:0 0 auto}.icon-label-button{display:flex;align-items:center;gap:6px;background:transparent;color:#cbd8e4}.icon-label-button span{font-size:1.05rem}.icon-label-button small{font-size:.76rem;font-weight:800}.complete-action{white-space:nowrap}
.complete-button{background:rgba(63,145,91,.2)!important;border-color:rgba(125,226,166,.34)!important;color:#cbf8db!important}

.module-tabs{display:flex;gap:6px;margin:0 0 8px}.module-tabs button{appearance:none;border:1px solid var(--line);background:transparent;color:#cbd8e4;border-radius:9px;padding:7px 11px;cursor:pointer;font-weight:750}.module-tabs button.active{background:rgba(102,217,208,.11);border-color:rgba(102,217,208,.42);color:#dffdfa}.hidden{display:none!important}

.workspace-shell{overflow:visible;box-shadow:none}.workspace-toolbar{min-height:52px;padding:8px 11px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line-soft);background:#0a1420;border-radius:16px 16px 0 0}.module-identity{display:grid;gap:1px;min-width:0}.module-identity strong{font-size:.88rem}.module-identity span{font-size:.7rem}.toolbar-actions{display:flex;align-items:center;gap:3px}.toolbar-actions .text-button{font-size:.76rem;white-space:nowrap}.toolbar-actions .text-button:disabled,.workspace-actions button:disabled{opacity:.3;cursor:not-allowed}.workspace-more{position:relative}.workspace-more summary{list-style:none;width:34px;height:34px;display:grid;place-items:center;border-radius:8px;cursor:pointer;color:#b7cce0;font-weight:900}.workspace-more summary::-webkit-details-marker{display:none}.workspace-more[open] summary{background:rgba(255,255,255,.06)}.workspace-menu{position:absolute;right:0;top:40px;z-index:25;min-width:185px;padding:6px;background:#0d1825;border:1px solid var(--line);border-radius:11px;box-shadow:0 14px 40px rgba(0,0,0,.35);display:grid;gap:3px}.menu-action{width:100%;text-align:left;background:transparent;border-color:transparent;font-size:.78rem;font-weight:650}.menu-action:hover{background:rgba(255,255,255,.05)}
#topicFrame{display:block;width:100%;height:calc(100vh - 205px);min-height:660px;border:0;background:#fff}.frame-help{padding:7px 11px;color:#71869a;font-size:.7rem;border-top:1px solid var(--line-soft);background:#09131f;border-radius:0 0 16px 16px}.frame-help>span{color:var(--accent);font-weight:800;margin-right:5px}.frame-help kbd{font:inherit;border:1px solid #314357;border-bottom-width:2px;border-radius:5px;padding:1px 4px;color:#9fb4c7;background:#101b28}

.section-block{margin-top:30px}.compact-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:10px}.compact-head h2{margin:3px 0 0;font-size:1.2rem}.map-meta{display:flex;gap:8px;color:var(--muted);font-size:.7rem}.map-meta span{padding:5px 8px;border-radius:999px;background:rgba(255,255,255,.03);border:1px solid var(--line-soft)}
.topic-grid{display:grid;grid-template-columns:repeat(8,minmax(150px,1fr));gap:8px;overflow-x:auto;padding:1px 1px 8px;scrollbar-width:thin}.topic-card{position:relative;min-height:132px;padding:13px;border-radius:13px;background:var(--surface);border:1px solid var(--line-soft);cursor:pointer;transition:.15s;display:flex;flex-direction:column}.topic-card:hover,.topic-card.active{border-color:rgba(102,217,208,.52);background:#101d2b}.topic-card.active{box-shadow:inset 0 0 0 1px rgba(102,217,208,.13)}.topic-card.complete:after{content:"✓";position:absolute;top:10px;right:10px;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;background:rgba(74,158,103,.18);color:var(--good);font-size:.7rem;font-weight:900}.topic-index{color:var(--accent);font-weight:850;font-size:.66rem;letter-spacing:.05em}.topic-card h3{font-size:.88rem;line-height:1.2;margin:8px 24px 6px 0}.topic-card p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--muted);line-height:1.4;font-size:.7rem;margin:0}.topic-footer{margin-top:auto;padding-top:9px;display:flex;justify-content:space-between;gap:6px;color:#8094a8;font-size:.63rem}.topic-footer span:last-child{display:none}

.course-tools-row{display:grid;grid-template-columns:1.2fr .8fr;gap:10px;margin-top:18px}.progress-card{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 16px;box-shadow:none}.progress-card>div{display:grid;gap:3px}.progress-card strong{font-size:.88rem}.progress-card p{margin:0;color:var(--muted);font-size:.74rem}.danger-subtle{color:#c99797}.option-note{padding:0;box-shadow:none}.option-note summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 16px;cursor:pointer}.option-note summary::-webkit-details-marker{display:none}.option-note summary>span:first-child{display:grid;gap:3px}.option-note summary strong{font-size:.88rem}.option-note summary>span:last-child{color:var(--muted);font-size:.72rem}.option-note p{margin:0;padding:0 16px 16px;color:var(--muted);font-size:.78rem;line-height:1.55}

@media(max-width:1100px){
  .wrap{width:min(100% - 28px,1440px)}
  .overview-strip{align-items:flex-start}
  .overview-actions{flex-wrap:wrap;justify-content:flex-end}
  .workspace-head{align-items:flex-start;flex-direction:column}.workspace-actions{width:100%}
  #topicFrame{height:72vh;min-height:620px}
}
@media(max-width:720px){
  .wrap{width:min(100% - 18px,1440px)}.topbar-inner{min-height:54px}.brand-block small{display:none}.header-progress{width:120px}.main{padding-top:12px}.overview-strip{padding:14px;flex-direction:column;gap:14px}.overview-strip h1{font-size:1.5rem}.overview-strip p{font-size:.82rem}.overview-actions{width:100%;justify-content:flex-start}.overview-actions .button{flex:1 1 auto}.workspace-section{margin-top:10px;scroll-margin-top:72px}.workspace-head{padding-top:10px}.workspace-head h2{font-size:1.55rem}.workspace-actions{display:grid;grid-template-columns:1fr 1fr auto}.icon-label-button{justify-content:center}.complete-action{grid-column:1/-1}.workspace-toolbar{align-items:flex-start}.module-identity span{display:none}.toolbar-actions{margin-left:auto}.toolbar-actions .text-button:not(.coach-inline){font-size:0;width:32px;height:32px;padding:0}.toolbar-actions #modulePrev::after{content:'←';font-size:.9rem}.toolbar-actions #moduleNext::after{content:'→';font-size:.9rem}.workspace-more summary{width:32px;height:32px}#topicFrame{height:72vh;min-height:560px}.frame-help{display:none}.compact-head{align-items:flex-start;flex-direction:column;gap:7px}.map-meta{flex-wrap:wrap}.topic-grid{grid-template-columns:repeat(8,148px)}.course-tools-row{grid-template-columns:1fr}.progress-card{align-items:flex-start;flex-direction:column}.progress-card .text-button{align-self:flex-start}
}