:root{--bg:#f7f7f8;--card:#fff;--text:#1f2933;--muted:#6b7280;--border:#e5e7eb;--primary:#111827;--primary-hover:#374151}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}a{color:inherit}.container{max-width:1180px;margin:0 auto;padding:24px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;box-shadow:0 8px 24px rgba(0,0,0,.04)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}.thumb{display:block;background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden;text-decoration:none;transition:transform .15s ease , box-shadow .15s ease;cursor:pointer}.thumb:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.08)}.thumb img{width:100%;height:170px;object-fit:cover;display:block}.thumb span{display:block;padding:10px;font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.btn,button,input[type="submit"]{display:inline-block;border:none;border-radius:10px;background:var(--primary);color:#fff;padding:10px 14px;text-decoration:none;cursor:pointer;font-size:15px}.btn:hover,button:hover,input[type="submit"]:hover{background:var(--primary-hover)}.btn.secondary{background:#e5e7eb;color:#111827}input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:10px;font:inherit;background:#fff}label{display:block;margin-bottom:6px;font-weight:600}.form-row{margin-bottom:16px}.error{background:#fee2e2;border:1px solid #fecaca;padding:12px;border-radius:10px;color:#991b1b;margin-bottom:16px}.success{background:#dcfce7;border:1px solid #bbf7d0;padding:12px;border-radius:10px;color:#166534;margin-bottom:16px}.detail-media{width:100%;max-height:78vh;object-fit:contain;background:#000;border-radius:14px}.footer{margin-top:32px;font-size:13px;color:var(--muted);text-align:center}.logo-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#fff}.logo-link img{max-width:220px;height:auto;display:block}.logo-placeholder{width:180px;height:80px;border:2px solid #111827;display:flex;align-items:center;justify-content:center;font-weight:700;letter-spacing:.08em}@media (max-width:700px){.topbar{flex-direction:column;align-items:stretch}.container{padding:16px}}.lightbox{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.9);display:flex;align-items:center;justify-content:center;z-index:999}.lightbox.hidden{display:none}.lightbox-content{max-width:90%;max-height:80%}.lightbox img,.lightbox video{max-width:100%;max-height:80vh}.close{position:absolute;top:20px;right:40px;font-size:40px;color:#fff;cursor:pointer}.nav{position:absolute;top:50%;transform:translateY(-50%);font-size:40px;background:none;border:none;color:#fff;cursor:pointer;padding:20px}.prev{left:10px}.next{right:10px}#download-btn{position:absolute;bottom:30px;color:#fff;text-decoration:none}.hidden{display:none!important}