*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f1117;--surface: #1a1d27;--border: #2d3142;--text: #e2e8f0;--text-muted: #718096;--accent: #6c8ebf;--accent-hover: #8aabd4;--danger: #e53e3e;--success: #38a169;--radius: 6px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.5;min-height:100vh}button{cursor:pointer;font-family:inherit;font-size:14px;border:none;border-radius:var(--radius);padding:6px 14px;background:var(--accent);color:#fff;transition:background .15s}button:hover:not(:disabled){background:var(--accent-hover)}button:disabled{opacity:.5;cursor:not-allowed}input[type=password],input[type=text]{font-family:inherit;font-size:14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:8px 12px;width:100%;outline:none}input:focus{border-color:var(--accent)}a{color:var(--accent);text-decoration:none}.page{max-width:900px;margin:0 auto;padding:32px 24px}.login-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:40px;width:360px}.login-card h1{font-size:22px;font-weight:600;margin-bottom:24px;text-align:center}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;color:var(--text-muted);font-size:12px;text-transform:uppercase;letter-spacing:.05em}.btn-primary{width:100%;padding:10px;font-size:15px;margin-top:8px}.error-msg{color:var(--danger);font-size:13px;margin-top:10px;text-align:center}.app-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:var(--surface);border-bottom:1px solid var(--border);margin-bottom:32px}.app-header h1{font-size:18px;font-weight:600}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-ghost:hover:not(:disabled){background:var(--border);color:var(--text)}.toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.toolbar h2{font-size:16px;font-weight:500}.file-table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}.file-table th{text-align:left;padding:10px 14px;font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);background:var(--bg);border-bottom:1px solid var(--border)}.file-table td{padding:10px 14px;border-bottom:1px solid var(--border);vertical-align:middle}.file-table tr:last-child td{border-bottom:none}.file-table tr:hover td{background:#ffffff05}.file-name{font-family:monospace;font-size:13px}.file-size{color:var(--text-muted);white-space:nowrap}.file-date{color:var(--text-muted);white-space:nowrap;font-size:12px}.progress-bar{height:4px;background:var(--border);border-radius:2px;overflow:hidden;margin-top:8px}.progress-bar-fill{height:100%;background:var(--accent);transition:width .1s}.status-row{text-align:center;padding:32px;color:var(--text-muted)}.app-nav{display:flex;gap:16px;align-items:center}.app-nav a{color:var(--text-muted);text-decoration:none;font-size:14px}.app-nav a.active{color:var(--text);font-weight:500}.app-nav a:hover{color:var(--text)}.thumbnail-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.thumbnail-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);aspect-ratio:1;overflow:hidden;cursor:pointer;display:flex;align-items:center;justify-content:center}.thumbnail-card img{width:100%;height:100%;object-fit:cover}.thumbnail-card:hover{border-color:var(--accent)}.thumbnail-spinner{display:inline-block;width:24px;height:24px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.thumbnail-error{color:var(--danger);font-size:18px;font-weight:700}.lightbox-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:1000}.lightbox-content{position:relative;display:flex;flex-direction:column;max-width:90vw;max-height:90vh;background:var(--surface);border-radius:var(--radius);overflow:hidden}.lightbox-img{display:block;max-width:90vw;max-height:80vh;object-fit:contain}.lightbox-footer{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:var(--bg);border-top:1px solid var(--border);font-size:12px;color:var(--text-muted)}.lightbox-filename{font-family:monospace;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lightbox-close{position:absolute;top:8px;right:8px;z-index:1;padding:4px 10px;font-size:16px}.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);font-size:28px;padding:4px 12px;line-height:1}.lightbox-prev{left:8px}.lightbox-next{right:8px}.lightbox-spinner{width:36px;height:36px;margin:48px}