:root{--bg:#f7f8fc;--card:#fff;--line:#e5e7ef;--text:#111827;--muted:#667085;--accent:#5b4df5}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,Segoe UI,Arial,sans-serif}.side{position:fixed;inset:0 auto 0 0;width:230px;background:#fff;border-right:1px solid var(--line);padding:20px}.brand{font-size:18px;margin-bottom:28px}.side a{display:block;padding:11px 12px;border-radius:10px;color:#27324a;text-decoration:none;margin:5px 0}.side a:hover{background:#f0f1ff;color:var(--accent)}.main{margin-left:230px;padding:24px}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.top h1{margin:0;font-size:26px}.btn,button{background:var(--accent);color:#fff;border:0;border-radius:10px;padding:11px 16px;text-decoration:none;font-weight:700;cursor:pointer}.btn.light{background:#fff;color:#111;border:1px solid var(--line)}.panel,.card,.login{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 1px 2px #00000008}.filters{padding:16px;margin-bottom:18px}.filters form{display:grid;grid-template-columns:2fr repeat(4,1fr) auto;gap:10px}.filters input,.filters select,.form input,.form select,.form textarea{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;background:#fff}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px}.card{overflow:hidden}.thumb{height:165px;background:#eee;display:flex;align-items:center;justify-content:center}.thumb img{width:100%;height:100%;object-fit:cover}.pdf{font-size:48px}.card-body{padding:13px}.card h3{font-size:15px;margin:0 0 6px}.muted{color:var(--muted);font-size:13px}.tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}.tag{font-size:12px;background:#f1f3f8;border-radius:99px;padding:4px 8px}.form{max-width:760px;padding:20px;display:grid;gap:14px}.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.actions{display:flex;gap:10px;margin-top:12px}.detail-img{max-width:100%;border-radius:14px;border:1px solid var(--line);background:#fff}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.login{width:min(420px,100%);padding:24px}.login input{width:100%;padding:13px;border:1px solid var(--line);border-radius:10px;margin:10px 0 14px}@media(max-width:800px){.side{position:static;width:auto;border-right:0;border-bottom:1px solid var(--line)}.side a{display:inline-block}.main{margin-left:0;padding:14px}.filters form{grid-template-columns:1fr}.row{grid-template-columns:1fr}}