:root{--bg:#f5f7fa;--card:#fff;--border:#d9dee7;--text:#1f2937;--muted:#6b7280;--accent:#0f6cbd;--accent-hover:#0b5aa0;--success:#107c10;--danger:#a4262c;--shadow:0 8px 24px #00000014;--radius:10px}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Segoe UI,Arial,Helvetica,sans-serif}.page{max-width:960px;margin:40px auto;padding:0 16px 32px}h1{margin:0 0 20px;font-size:30px;font-weight:700}h2{margin:0 0 12px;font-size:20px}h3{margin:0 0 12px;font-size:18px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px;padding:16px}.top-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.user-label{color:var(--muted);font-size:14px}.button-row{flex-wrap:wrap;gap:10px;display:flex}.search-input,select,input[type=text]{border:1px solid var(--border);width:100%;color:var(--text);background:#fff;border-radius:8px;outline:none;padding:10px 12px;font-size:14px}.search-input:focus,select:focus,input[type=text]:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0f6cbd1f}.search-input:disabled,select:disabled,button:disabled{opacity:.6;cursor:not-allowed}.autocomplete{position:relative}.autocomplete-list{z-index:20;border:1px solid var(--border);box-shadow:var(--shadow);background:#fff;border-radius:8px;position:absolute;top:calc(100% + 4px);left:0;right:0;overflow:hidden}.autocomplete-item{text-align:left;cursor:pointer;background:#fff;border:0;width:100%;padding:10px 12px;font-size:14px;display:block}.autocomplete-item:hover{background:#f0f6fc}.autocomplete-empty{color:var(--muted);padding:10px 12px;font-size:14px}.section-stack{flex-direction:column;gap:10px;display:flex}button{appearance:none;border:1px solid var(--border);color:var(--text);cursor:pointer;background:#fff;border-radius:8px;padding:10px 14px;font-size:14px;transition:background-color .15s,border-color .15s,transform 40ms}button:hover:not(:disabled){background:#f3f4f6}button:active:not(:disabled){transform:translateY(1px)}button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}button.primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}button.danger{color:var(--danger)}.status{color:var(--muted);margin-top:8px;font-size:14px}.status.success{color:var(--success)}.status.error{color:var(--danger)}.status-card{display:none}.file-list{flex-direction:column;gap:10px;margin-top:12px;display:flex}.file-row{border:1px solid var(--border);background:#fafbfd;border-radius:8px;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;display:flex}.file-left{align-items:center;gap:12px;min-width:0;display:flex}.file-thumb{object-fit:cover;border:1px solid var(--border);background:#eef2f7;border-radius:6px;flex:none;width:56px;height:56px}.file-thumb--doc{background:#f3f4f6;justify-content:center;align-items:center;font-size:20px;display:flex}.file-meta{min-width:0}.file-name{color:var(--text);word-break:break-word;font-size:14px;font-weight:600}.file-sub{color:var(--muted);margin-top:2px;font-size:12px}.helper{color:var(--muted);margin-top:6px;font-size:13px}.helper--hidden{display:none}.badge{color:var(--accent);background:#eef6fc;border:1px solid #d3e6f7;border-radius:999px;padding:4px 8px;font-size:12px;font-weight:600;display:inline-block}@media (width<=640px){.page{margin-top:24px}h1{font-size:24px}.file-row{flex-direction:column;align-items:stretch}.file-left{align-items:flex-start}}.spinner{border:2px solid #ccc;border-top-color:#0078d4;border-radius:50%;width:16px;height:16px;margin-right:8px;animation:.8s linear infinite spin;display:inline-block}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.modal-overlay{z-index:1000;background:#0006;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.modal{text-align:center;background:#fff;border-radius:8px;min-width:300px;padding:20px 24px}