:root{--bg:#0f131b;--bg-soft:#151b26;--panel:#1b2230;--panel-2:#212a3a;--border:#2a3446;--text:#e6eefc;--muted:#93a3ba;--muted-2:#6f7f96;--accent:#8fd3ff;--accent-strong:#2f7ad6;--success:#61c98a;--danger:#ff7a7a;--radius:10px}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{margin:0 0 8px;line-height:1.2}h1{font-size:24px}.muted{color:var(--muted)}.small{font-size:13px}.error{color:var(--danger);margin:0;font-size:14px}input,textarea,select{background:var(--bg-soft);width:100%;color:var(--text);border:1px solid var(--border);font:inherit;border-radius:8px;padding:9px 11px}input:focus,textarea:focus,select:focus{outline:2px solid var(--accent-strong);outline-offset:1px}label{color:var(--muted);margin-bottom:12px;font-size:13px;display:block}label input,label textarea{margin-top:4px}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:8px;padding:8px 14px}button:hover:not(:disabled){background:var(--panel-2)}button:disabled{opacity:.55;cursor:default}button.primary{background:var(--accent-strong);color:#fff;border-color:#0000;font-weight:600}button.primary:hover:not(:disabled){background:#3d8ae6}button.ghost{background:0 0}button.danger{color:var(--danger);border-color:#5a2b2b}.center-screen{justify-content:center;align-items:center;min-height:60vh;display:flex}.auth-page{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.auth-card{background:var(--bg-soft);border:1px solid var(--border);border-radius:14px;width:100%;max-width:380px;padding:28px}.auth-card h1{margin-bottom:4px}.auth-card .primary{width:100%;margin-top:4px}.app-shell{min-height:100vh;display:flex}.sidebar{background:var(--bg-soft);border-right:1px solid var(--border);flex-direction:column;flex:0 0 232px;gap:18px;width:232px;height:100vh;padding:18px 14px;display:flex;position:sticky;top:0;overflow-y:auto}.brand{letter-spacing:.2px;font-size:17px;font-weight:700}.sidebar .group-title{text-transform:uppercase;letter-spacing:.8px;color:var(--muted-2);margin:10px 0 6px;font-size:11px}.sidebar nav{flex-direction:column;gap:2px;display:flex}.sidebar nav a,.sidebar nav button{text-align:left;width:100%;color:var(--muted);background:0 0;border:none;border-radius:7px;padding:7px 9px;font-size:14px;display:block}.sidebar nav a:hover,.sidebar nav button:hover{background:var(--panel);text-decoration:none}.sidebar nav .active{background:var(--panel);color:var(--text)}.sidebar .count{float:right;color:var(--muted-2);font-size:12px}.sidebar footer{color:var(--muted-2);flex-direction:column;gap:6px;margin-top:auto;font-size:13px;display:flex}.page{flex:1;min-width:0;padding:24px 28px 60px}.page-header{justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px;display:flex}.search{max-width:340px}.grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}@media (width<=900px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=720px){.app-shell{flex-direction:column}.sidebar{border-right:none;border-bottom:1px solid var(--border);flex:none;width:auto;height:auto;position:static}.grid{grid-template-columns:1fr}.page{padding:18px 16px 60px}}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.card .thumb{aspect-ratio:4/3;color:var(--muted-2);background:radial-gradient(circle at 50% 40%,#2b3548,#161c27 72%);justify-content:center;align-items:center;font-size:13px;display:flex;overflow:hidden}.card .thumb img{object-fit:cover;width:100%;height:100%;display:block}.card .body{padding:10px 12px 12px}.card .body h3{margin:0 0 4px;font-size:14px;font-weight:600}.card .body .meta{color:var(--muted-2);justify-content:space-between;gap:8px;font-size:12px;display:flex}.favorite{color:var(--muted-2);background:0 0;border:none;padding:2px 4px;font-size:16px;line-height:1}.favorite.on{color:#ff6b81}.detail{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:24px;display:grid}@media (width<=900px){.detail{grid-template-columns:1fr}}.viewer{aspect-ratio:4/3;border:1px solid var(--border);background:radial-gradient(circle at 50% 40%,#232d3f,#12161f 75%);border-radius:14px;justify-content:center;align-items:center;display:flex;overflow:hidden}.viewer img{object-fit:contain;width:100%;height:100%}.tag{color:var(--accent);background:#22304a;border-radius:999px;margin:0 5px 5px 0;padding:2px 9px;font-size:12px;display:inline-block}.files{flex-direction:column;gap:6px;margin:10px 0 0;padding:0;list-style:none;display:flex}.files li{background:var(--panel);border:1px solid var(--border);border-radius:8px;justify-content:space-between;align-items:center;gap:10px;padding:8px 10px;font-size:13px;display:flex}.preset-list{gap:10px;display:grid}.preset{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:12px}.preset h3{margin:0;font-size:14px}.preset .rows{color:var(--muted);gap:2px;margin:6px 0 8px;font-size:13px;display:grid}.preset .actions{flex-wrap:wrap;gap:8px;display:flex}.empty{border:1px dashed var(--border);text-align:center;color:var(--muted-2);border-radius:10px;padding:18px;font-size:14px}.modal-backdrop{z-index:50;background:#05080db8;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:var(--bg-soft);border:1px solid var(--border);border-radius:14px;width:100%;max-width:440px;max-height:90vh;padding:20px;overflow-y:auto}.modal h2{font-size:18px}.modal .actions{justify-content:flex-end;gap:8px;margin-top:16px;display:flex}.dropzone{border:2px dashed var(--border);text-align:center;color:var(--muted);cursor:pointer;background:var(--bg-soft);border-radius:12px;padding:26px}.dropzone.dragging{border-color:var(--accent);color:var(--text)}.preview-thumb{border:1px solid var(--border);background:var(--panel);object-fit:cover;border-radius:10px;width:160px;height:120px}.form-grid{grid-template-columns:200px minmax(0,1fr);gap:20px;display:grid}@media (width<=720px){.form-grid{grid-template-columns:1fr}}