:root{--bg: #0f1115;--panel: #171a21;--panel-2: #1f2430;--line: #2a3140;--text: #e7ebf0;--muted: #97a1b0;--accent: #4f8cff;--good: #36c98b}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.center{display:grid;place-items:center;height:100%;color:var(--muted)}.shell{min-height:100%;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:16px;padding:10px 16px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;flex-wrap:wrap}.brand{font-weight:700;letter-spacing:.5px}.topbar nav{display:flex;gap:14px;flex-wrap:wrap}.topbar nav a{color:var(--muted);padding:4px 2px}.topbar nav a.nav-active{color:var(--text);border-bottom:2px solid var(--accent)}.spacer{flex:1}.who{color:var(--muted)}.content{padding:20px;max-width:1200px;width:100%;margin:0 auto}button.primary{background:var(--accent);color:#fff;border:none;padding:10px 16px;border-radius:8px}button.ghost{background:transparent;color:var(--muted);border:1px solid var(--line);padding:6px 12px;border-radius:8px}input,select,textarea{background:var(--panel-2);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:10px 12px;width:100%}label{display:block;margin:10px 0 4px;color:var(--muted);font-size:13px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden}.thumb{width:100%;aspect-ratio:16/9;background:var(--panel-2);object-fit:cover;display:block}.card-body{padding:10px 12px}.card h4{margin:0 0 4px;font-size:14px}.crumb{color:var(--muted);font-size:12px}.bubble{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;border:2px solid var(--line);font-size:12px}.bubble.done{background:var(--good);border-color:var(--good);color:#04120c}.duration{color:var(--muted);font-size:12px}.auth{max-width:380px;margin:8vh auto;background:var(--panel);padding:28px;border:1px solid var(--line);border-radius:12px}.auth h1{margin-top:0}.error{color:#ff6b6b;margin:8px 0}.browse{display:grid;grid-template-columns:260px 1fr;gap:20px}.tree{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px}.tree ul{list-style:none;margin:0;padding-left:14px}.tree li>button{background:none;border:none;color:var(--text);padding:4px 0;text-align:left;width:100%}.tree li>button.sel{color:var(--accent);font-weight:600}.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.chip{border:1px solid var(--line);border-radius:999px;padding:4px 12px;color:var(--muted);background:var(--panel)}.chip.sel{border-color:var(--accent);color:var(--text)}.module{background:var(--panel);border:1px solid var(--line);border-radius:10px;margin-bottom:14px}.module h3{margin:0;padding:12px 14px;border-bottom:1px solid var(--line)}.item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-bottom:1px solid var(--line)}.item:last-child{border-bottom:none}.progress-bar{height:8px;background:var(--panel-2);border-radius:999px;overflow:hidden}.progress-bar>div{height:100%;background:var(--good)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:600}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.section{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:18px}.hint{color:var(--muted);font-size:13px}.linkbox{background:var(--panel-2);border:1px dashed var(--line);padding:8px 10px;border-radius:8px;word-break:break-all}@media(max-width:760px){.browse{grid-template-columns:1fr}}