:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#22312d;background:#f6f7f4;--accent:#25634f;--muted:#748079;--border:#dfe5df}*{box-sizing:border-box}body{margin:0}aside{width:238px;position:fixed;inset:0 auto 0 0;background:#fff;border-right:1px solid var(--border);padding:34px 22px;display:flex;flex-direction:column}.brand{font-weight:750;font-size:20px;color:#20372d;text-decoration:none;display:flex;align-items:center;gap:12px;letter-spacing:-.6px}.mark{font-size:13px;color:#fff;background:var(--accent);padding:11px 8px;border-radius:8px}.workspace{font-size:10px;letter-spacing:1.5px;color:var(--muted);margin:50px 12px 18px}nav{display:grid;gap:7px}nav a{color:#647169;padding:13px 15px;text-decoration:none;font-size:14px;border-radius:6px}nav a.active{background:#edf3ee;color:var(--accent);font-weight:650}nav a:hover{background:#f1f4f0}.sidebar-foot{margin-top:auto;color:#8b958e;font-size:13px;line-height:1.7;padding:15px}main{margin-left:238px}header{height:80px;padding:0 48px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;background:#ffffff80;font-size:13px;color:var(--muted)}.local-label{font-size:10px;letter-spacing:1.7px}#view{max-width:1240px;margin:auto;padding:45px 48px 70px}h1{font-size:34px;letter-spacing:-1.2px;line-height:1.2;margin:8px 0 14px;font-weight:650}h2{font-size:18px;font-weight:650;margin:0 0 20px}h3{font-size:15px;margin:0 0 8px}p{line-height:1.7}.muted,.sub{color:var(--muted);font-size:14px}.eyebrow{font-size:11px;letter-spacing:1.6px;color:var(--accent);font-weight:650}.topline{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:34px}.btn,button{font:inherit;font-size:13px;padding:11px 17px;border:1px solid var(--border);border-radius:6px;background:#fff;color:#33463c;cursor:pointer;text-decoration:none;display:inline-block}button:hover,.btn:hover{border-color:var(--accent)}button:disabled{opacity:.45;cursor:not-allowed}.primary{background:var(--accent);border-color:var(--accent);color:#fff}.danger{color:#a94536}.hero{background:#e8efe7;border:1px solid #d7e3d7;border-radius:10px;padding:30px;display:flex;justify-content:space-between;align-items:center;margin-bottom:38px}.hero h2{font-size:23px;margin-bottom:8px}.hero p{margin:0;max-width:500px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.section-head{display:flex;justify-content:space-between;align-items:center;margin:34px 0 20px}.section-head h2{margin:0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}.card{background:#fff;border:1px solid var(--border);border-radius:9px;padding:24px}.course-card{border-top:3px solid #8ba998}.course-code{font-size:11px;color:var(--accent);letter-spacing:1px;margin-bottom:17px}.lecture-list{border:1px solid var(--border);border-radius:9px;background:#fff;overflow:hidden}.lecture-row{display:flex;align-items:center;gap:18px;padding:22px 24px;border-bottom:1px solid #edf0ea;text-decoration:none;color:inherit}.lecture-row:last-child{border:0}.lecture-row:hover{background:#f8faf6}.lecture-icon{background:#f0f4ee;color:var(--accent);border-radius:8px;padding:13px;font-size:13px}.lecture-row .info{flex:1}.lecture-row h3{font-size:15px}.lecture-row small{color:var(--muted);font-size:12px}.badge{font-size:11px;border:1px solid var(--border);border-radius:20px;padding:5px 9px;color:#68766c}.empty{padding:46px 20px;text-align:center;color:var(--muted);font-size:14px}.empty h3{color:#33463c}.search{max-width:280px}input,select,textarea{font:inherit;font-size:14px;padding:12px;border:1px solid var(--border);border-radius:6px;background:#fff;color:#22312d;width:100%}input:focus,select:focus,textarea:focus{outline:2px solid #97b9a6;outline-offset:2px}label{display:block;font-size:12px;font-weight:600;margin:18px 0 8px}form{max-width:650px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.record-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:24px}.timer{font-size:64px;letter-spacing:-3px;font-variant-numeric:tabular-nums;text-align:center;margin:36px 0 10px}.record-status{text-align:center;color:var(--accent);font-size:13px}.meter{height:5px;border-radius:5px;background:#e9eee7;margin:28px auto;width:80%;overflow:hidden}.meter span{display:block;height:100%;width:0;background:#659a7c;transition:width .08s}.record-controls{justify-content:center;margin:24px 0}.help{font-size:12px;color:var(--muted);line-height:1.7}.transcript{max-height:480px;overflow:auto}.segment{padding:15px 0;border-bottom:1px solid var(--border);display:flex;gap:15px}.segment button{color:var(--accent);border:0;padding:2px 0;align-self:flex-start;font-variant-numeric:tabular-nums}.segment p{margin:0;font-size:14px;white-space:pre-wrap}.segment.current{background:#edf4ec}.detail-layout{display:grid;grid-template-columns:1.65fr 1fr;gap:24px;margin-top:24px}.stack{display:grid;gap:22px;align-content:start}audio{width:100%;margin:12px 0}.notes{font-size:14px;white-space:pre-wrap;line-height:1.8}.notes h3{margin:25px 0 8px;text-transform:capitalize}.answer{white-space:pre-wrap;line-height:1.7;font-size:14px}.source{display:block;margin:8px 0;font-size:12px}#notice:not(:empty){background:#fff2df;border-bottom:1px solid #ead8b9;padding:12px 48px;font-size:13px}.settings-line{padding:15px 0;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;gap:20px;font-size:14px}.upload-label{padding:18px;border:1px dashed #b9cbbb;border-radius:7px;text-align:center;color:var(--accent)}.upload-label input{margin-top:12px}a{color:var(--accent)}:focus-visible{outline:2px solid #649b7f;outline-offset:3px}@media(max-width:950px){aside{width:190px;padding:26px 14px}.brand{font-size:17px}main{margin-left:190px}#view{padding:30px 24px}header{padding:0 24px}.detail-layout,.record-layout{grid-template-columns:1fr}}@media(max-width:650px){aside{position:static;width:auto;padding:16px;border-right:0}.workspace,.sidebar-foot{display:none}nav{display:flex;gap:0;margin-top:15px;overflow:auto}nav a{white-space:nowrap;padding:10px;font-size:12px}main{margin-left:0}header{height:50px}#view{padding:28px 18px}.topline,.hero{align-items:flex-start;flex-direction:column}.hero{gap:20px}h1{font-size:29px}.lecture-row{padding:18px 14px}.lecture-icon{display:none}.form-grid{grid-template-columns:1fr}.search{max-width:150px}.badge{font-size:10px}}
.course-card{text-decoration:none;color:inherit}.grid+.card{margin-top:24px}form>button{margin-top:20px}.card>.row>h2{margin:0;flex:1}.card>.section-head{margin-top:0}#speed{width:90px}#seek{flex:1;width:auto;padding:0}
#activity-bar{position:sticky;top:0;z-index:20;background:#edf4eb;border-bottom:1px solid #c9dacb;padding:12px 24px}#activity-bar[hidden]{display:none}.activity-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px}.activity-row+ .activity-row{margin-top:10px}.activity-row span{flex:1;min-width:100px;overflow-wrap:anywhere}.activity-row strong{color:var(--accent);font-variant-numeric:tabular-nums}.activity-row button{padding:8px 12px}#import-status{overflow-wrap:anywhere}@media(max-width:650px){#activity-bar{padding:12px 16px}.activity-row{gap:8px}.activity-row span{flex-basis:100%}}
.signin-page{min-height:100vh;display:grid;place-items:center;padding:24px}.signin-card{margin:0;max-width:460px;width:100%;padding:36px}.signin-card .brand{margin-bottom:32px}.signin-card h1{font-size:30px}.signin-card .btn{margin:10px 0 12px}