:root{font-family:ui-rounded,"SF Pro Rounded",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#23302f;background:#f5f6f2;color-scheme:light;--ink:#23302f;--muted:#73807c;--line:#dfe5df;--card:#fff;--accent:#38655e;--soft:#e5eee9}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#f5f6f2 0,#eef2ed 100%);min-height:100vh}.shell{max-width:760px;margin:auto;padding:24px 18px 250px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:14px;background:var(--accent);color:#fff;font-size:2rem;line-height:.6;transform:rotate(180deg)}h1,h2,p{margin:0}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.68rem;font-weight:700;color:var(--muted)}h1{font-size:1.4rem;letter-spacing:-.03em}.quiet-button,button,select{font:inherit}.quiet-button,.track-actions button,.player button{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:13px;min-height:44px;padding:9px 13px;font-weight:700;cursor:pointer}.quiet-button span{font-size:1.2rem;margin-right:4px}.quiet-button:disabled{opacity:.5}.loading span{display:inline-block;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.breadcrumbs{display:flex;align-items:center;gap:7px;margin:28px 0 18px;color:var(--muted);font-size:.85rem;overflow:auto;white-space:nowrap}.crumb{border:0;background:transparent;color:inherit;padding:4px 0;cursor:pointer;font:inherit}.crumb.current{color:var(--ink);font-weight:700}.section-heading{margin-bottom:18px}.section-heading h2{font-size:1.65rem;letter-spacing:-.045em;margin:5px 0 4px}.section-heading p:last-child{color:var(--muted);font-size:.92rem}.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.library-card{display:flex;align-items:center;gap:12px;text-align:left;width:100%;min-height:106px;border:1px solid var(--line);background:rgba(255,255,255,.85);border-radius:20px;padding:15px;box-shadow:0 4px 18px #263a3210;cursor:pointer;color:var(--ink)}.library-card:active{transform:scale(.98)}.card-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:15px;background:var(--soft);color:var(--accent);font-size:1.55rem;flex:none}.card-icon.lesson{background:#f2eadd;color:#896e3d}.card-copy{display:flex;flex-direction:column;gap:5px;min-width:0}.card-copy strong{font-size:1rem;overflow-wrap:anywhere}.card-copy small{color:var(--muted);font-size:.78rem}.chevron{margin-left:auto;color:#9aa9a2;font-size:1.5rem}.track-actions{display:flex;align-items:center;gap:8px;margin-bottom:8px}.selection-count{margin-left:auto;color:var(--muted);font-size:.82rem}.track-list{border-top:1px solid var(--line)}.track-row{display:flex;align-items:center;gap:11px;min-height:64px;border-bottom:1px solid var(--line);cursor:pointer}.track-row input{width:21px;height:21px;accent-color:var(--accent);flex:none}.track-number{color:#9aa9a2;font-size:.75rem;width:23px}.track-name{flex:1;overflow-wrap:anywhere;font-size:.92rem}.play-one{border:0;background:transparent;color:var(--accent);font-size:1rem;min-width:42px;min-height:44px;cursor:pointer}.empty{text-align:center;background:#fff;border:1px dashed var(--line);border-radius:18px;padding:35px 20px;color:var(--muted)}.empty strong,.empty span{display:block}.empty strong{color:var(--ink);margin-bottom:6px}.player{position:fixed;z-index:2;bottom:0;left:0;right:0;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-top:1px solid var(--line);box-shadow:0 -8px 30px #263a3210}.player-inner{max-width:760px;margin:auto;padding:12px 18px max(14px,env(safe-area-inset-bottom))}.now{display:flex;align-items:center;gap:9px;font-size:.88rem;font-weight:700;min-height:26px;overflow:hidden}.now>span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.headphone{display:grid;place-items:center;width:24px;height:24px;border-radius:8px;background:var(--soft);color:var(--accent);font-size:.75rem;flex:none}audio{width:100%;height:38px;margin:4px 0}.player-controls{display:grid;grid-template-columns:1fr auto 1.3fr auto 1fr;gap:7px}.player button{min-height:40px;padding:7px 8px;font-size:.78rem}.player .primary-button{background:var(--accent);border-color:var(--accent);color:#fff}.settings{display:flex;align-items:center;gap:14px;margin-top:9px;color:var(--muted);font-size:.76rem}.settings label{display:flex;align-items:center;gap:5px}.settings select{border:0;background:transparent;color:var(--ink);font:inherit;font-weight:700;padding:3px}.volume-label{margin-left:auto}.volume-label input{width:75px;accent-color:var(--accent)}@media(max-width:430px){.shell{padding-inline:14px}.card-grid{gap:9px}.library-card{min-height:101px;padding:12px}.player-inner{padding-inline:12px}.settings{gap:6px}.volume-label input{width:58px}.player button{font-size:.72rem}.section-heading h2{font-size:1.5rem}}@media(min-width:600px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}