:root{--bg: #0d1117;--bg-elev: #161b22;--bg-elev-2: #1c232c;--border: #2a313c;--text: #e6edf3;--muted: #8b949e;--accent: #6366f1;--accent-2: #8b5cf6;--danger: #f85149;--radius: 12px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}.muted{color:var(--muted)}.small{font-size:12px}.center{display:grid;place-items:center;height:100vh}button,.ghost,.primary,.danger,a.ghost,a.primary{font:inherit;cursor:pointer;border-radius:8px;border:1px solid var(--border);padding:9px 16px;background:var(--bg-elev-2);color:var(--text);text-decoration:none;display:inline-block;transition:background .15s,border-color .15s,opacity .15s}button:hover,.ghost:hover{background:#232b36}.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));border:none;color:#fff;font-weight:600}.primary:hover{opacity:.9}.danger{color:var(--danger);border-color:transparent;background:#f851491a}.danger:hover{background:#f851492e}.sm{padding:6px 12px;font-size:13px}button:disabled{opacity:.6;cursor:not-allowed}.login-wrap{display:grid;place-items:center;min-height:100vh;padding:20px;background:radial-gradient(circle at 30% 20%,rgba(99,102,241,.15),transparent 40%),radial-gradient(circle at 80% 80%,rgba(139,92,246,.12),transparent 40%)}.login-card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:32px;width:100%;max-width:360px;display:flex;flex-direction:column;gap:12px}.login-brand{font-size:26px;font-weight:700}.login-card input{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:11px 13px;font:inherit}.login-card input:focus{outline:none;border-color:var(--accent)}.login-card .primary{margin-top:6px;padding:11px}.error{color:var(--danger);font-size:14px}.error.banner{background:#f851491a;border:1px solid rgba(248,81,73,.3);padding:10px 14px;border-radius:8px;margin:12px 0}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;border-bottom:1px solid var(--border);background:var(--bg-elev);position:sticky;top:0;z-index:10}.brand{font-size:18px;font-weight:700}.topbar-right{display:flex;align-items:center;gap:14px}.container{max-width:1100px;margin:0 auto;padding:24px}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:40px 20px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s;background:var(--bg-elev)}.dropzone:hover,.dropzone.over{border-color:var(--accent);background:#6366f10f}.dz-icon{font-size:34px}.dropzone p{margin:6px 0}.upload-status{display:flex;flex-direction:column;gap:10px;align-items:center}.progress{width:100%;max-width:420px;height:10px;background:var(--bg);border-radius:999px;overflow:hidden}.progress .bar{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .2s}.section-head{display:flex;align-items:center;justify-content:space-between;margin:24px 0 14px}.section-head h2{margin:0;font-size:18px}.empty{padding:30px 0;text-align:center}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}.card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:transform .12s,border-color .12s;display:flex;flex-direction:column}.card:hover{transform:translateY(-2px);border-color:var(--accent)}.thumb{position:relative;aspect-ratio:4 / 3;background:var(--bg);display:grid;place-items:center;overflow:hidden}.thumb img,.thumb video{width:100%;height:100%;object-fit:cover}.file-icon{display:grid;place-items:center;width:100%;height:100%;background:linear-gradient(135deg,var(--bg-elev-2),var(--bg))}.file-icon span{font-size:18px;font-weight:700;color:var(--muted);letter-spacing:1px}.thumb .play{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;font-size:30px;color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.6);pointer-events:none}.card-meta{padding:10px 12px 4px}.fname{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.actions{display:flex;gap:8px;padding:10px 12px 12px;margin-top:auto}.actions .ghost,.actions .danger{flex:1;text-align:center}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#000c;display:grid;place-items:center;padding:20px;z-index:100}.modal-inner{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);max-width:90vw;max-height:90vh;display:flex;flex-direction:column;overflow:hidden}.modal-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 16px;border-bottom:1px solid var(--border)}.modal-head span{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.modal-body{padding:16px;overflow:auto;display:grid;place-items:center}.modal-body img,.modal-body video{max-width:86vw;max-height:76vh;border-radius:8px}.no-preview{text-align:center;display:flex;flex-direction:column;gap:14px;padding:30px}.tabs{display:flex;gap:8px;margin-bottom:18px}.tab{background:transparent;border:1px solid var(--border)}.tab.active{background:linear-gradient(135deg,var(--accent),var(--accent-2));border-color:transparent;color:#fff;font-weight:600}.notif-list{display:flex;flex-direction:column;gap:8px}.notif{display:flex;align-items:flex-start;gap:12px;background:var(--bg-elev);border:1px solid var(--border);border-radius:10px;padding:12px 14px}.notif-body-wrap{flex:1;min-width:0}.notif-top{display:flex;justify-content:space-between;gap:10px;margin-bottom:3px}.notif-app{font-weight:600;color:var(--accent);font-size:13px}.notif-title{font-weight:600}.notif-text{color:var(--muted);font-size:14px;word-break:break-word}