:root{--bg: #f6f8fc;--surface: #ffffff;--border: #e5e7eb;--text: #111827;--muted: #6b7280;--brand: #111827;--brand-2: #2563eb;--primary: var(--brand-2);--danger: #ef4444;--radius: 14px;--shadow: 0 10px 30px rgba(17,24,39,.08)}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji"}a{color:inherit}details summary{list-style:none}details summary::-webkit-details-marker{display:none}.app-shell{min-height:100vh;display:grid;grid-template-columns:260px 1fr}.sidebar{position:sticky;top:0;height:100vh;padding:14px;border-right:1px solid var(--border);background:linear-gradient(180deg,#f3f6fb,#f6f8fc 60%,#f3f6fb)}.brand{display:flex;align-items:center;gap:10px;padding:10px;border-radius:14px}.brand__logo{width:38px;height:38px;border-radius:12px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;letter-spacing:.4px}.brand__title{font-weight:900;line-height:1.1}.brand__sub{font-size:12px;color:var(--muted);margin-top:2px}.nav{margin-top:14px;display:flex;flex-direction:column;gap:8px}.nav__btn{display:flex;align-items:center;gap:10px;width:100%;border:1px solid var(--border);background:var(--surface);border-radius:14px;padding:10px 12px;font-weight:800;cursor:pointer}.nav__btn[aria-current=page]{border-color:#c7d2fe;box-shadow:0 6px 18px #2563eb1f}.nav__hint{font-size:12px;color:var(--muted);font-weight:700}.main{display:flex;flex-direction:column;min-width:0}.topbar{position:sticky;top:0;z-index:20;padding:12px 14px;background:#f6f8fce6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}.icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:var(--surface);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px}.search{flex:1;min-width:0;display:flex;align-items:center;gap:8px;border:1px solid var(--border);background:var(--surface);border-radius:999px;padding:10px 12px}.search input{border:none;outline:none;width:100%;font-size:14px;background:transparent}.toolbar{display:flex;align-items:center;gap:8px}.btn{height:40px;padding:0 12px;border-radius:12px;border:1px solid var(--border);background:var(--surface);cursor:pointer;font-weight:850}.btn--primary{border-color:var(--brand);background:var(--brand);color:#fff}.btn--danger{border-color:#fecaca;background:#fee2e2;color:#7f1d1d}.pill{height:40px;border-radius:999px;border:1px solid var(--border);background:var(--surface);padding:0 10px;font-weight:800}.content{padding:14px}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.table{width:100%;border-collapse:collapse}.table th{text-align:left;font-size:12px;letter-spacing:.3px;text-transform:uppercase;color:var(--muted);background:#f9fafb;padding:12px 14px;border-bottom:1px solid var(--border)}.table td{padding:12px 14px;border-bottom:1px solid #f3f4f6;vertical-align:top}.file-name{font-weight:850}.file-meta{font-size:12px;color:var(--muted);margin-top:4px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.card{border:1px solid var(--border);background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}.card__preview{height:150px;background:#f3f4f6;display:flex;align-items:center;justify-content:center;position:relative}.card__preview img,.card__preview video{width:100%;height:100%;object-fit:cover}.card__badge{position:absolute;left:10px;top:10px;background:#111827c7;color:#fff;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:900}.card__body{padding:12px}.card__title{font-weight:900;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card__sub{font-size:12px;color:var(--muted);margin-top:6px}.card__actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.toast{background:#fef2f2;border:1px solid #fecaca;color:#7f1d1d;padding:12px;border-radius:14px;font-weight:800;margin-bottom:12px}.empty{padding:46px 12px;text-align:center;color:#4b5563}.footer{padding:12px 14px calc(18px + env(safe-area-inset-bottom));font-size:12px;color:var(--muted);border-top:1px solid var(--border);background:#f6f8fcbf}.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:18px}.auth-card{width:min(560px,100%);background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);padding:16px}.auth-header{display:flex;gap:12px;align-items:center}.auth-title{font-size:18px;font-weight:950}.auth-sub{font-size:12px;color:var(--muted);margin-top:4px;line-height:1.4}.field{margin-top:14px}.label{font-size:12px;font-weight:900;color:#4b5563;margin-bottom:6px}.input{width:100%;height:44px;padding:0 12px;border-radius:12px;border:1px solid var(--border);outline:none;background:#fff;font-size:14px}.helper{font-size:12px;color:var(--muted);margin-top:8px;line-height:1.4}.fab{position:fixed;right:14px;bottom:calc(14px + env(safe-area-inset-bottom));z-index:50;height:56px;padding:0 16px;border-radius:999px;border:1px solid var(--brand);background:var(--brand);color:#fff;font-weight:950;box-shadow:0 18px 40px #11182738}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#1118278c;z-index:60;display:flex;align-items:center;justify-content:center;padding:14px}.viewer{width:min(1000px,100%);max-height:min(90vh,900px);background:var(--surface);border-radius:18px;border:1px solid var(--border);overflow:hidden;display:flex;flex-direction:column}.viewer__bar{padding:10px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.viewer__title{font-weight:900;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:70%}.viewer__body{background:#0b1220;display:flex;align-items:center;justify-content:center;padding:10px}.viewer__body img{max-width:100%;max-height:78vh;object-fit:contain}@media (max-width: 900px){.app-shell{grid-template-columns:1fr}.sidebar{display:none}}@media (max-width: 560px){.toolbar .btn--hide-mobile{display:none}.grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.card__preview{height:140px}}.brand__logo img{width:100%;height:100%;object-fit:contain;border-radius:12px}.uploadbar{margin:10px 0 0;padding:10px 12px;background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow)}.uploadbar__row{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:8px}.uploadbar__title{font-weight:900}.uploadbar__meta{display:flex;align-items:baseline;gap:10px;min-width:0;color:var(--muted)}.uploadbar__name{max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.uploadbar__pct{font-variant-numeric:tabular-nums}.progress{height:10px;border-radius:999px;background:#94a3b840;overflow:hidden}.progress__bar{height:100%;width:0;background:var(--primary);border-radius:999px;transition:width .15s ease}@media (max-width: 560px){.uploadbar__name{max-width:48vw}}.btn:hover{filter:brightness(.99);box-shadow:0 8px 22px #11182714}.btn:active{transform:translateY(1px)}.icon-btn:hover,.nav__btn:hover{box-shadow:0 8px 22px #11182714}.card:hover{transform:translateY(-1px);box-shadow:0 14px 38px #1118271f}.table tbody tr:hover{background:#f9fafb}:focus-visible{outline:3px solid rgba(37,99,235,.35);outline-offset:2px}.footer__row{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.footer__row--muted{margin-top:6px;color:var(--muted)}.footer__links{display:flex;gap:10px;align-items:center}.progress--thin{height:8px}