:root{--bg:#f6f7fb;--card:#fff;--text:#151821;--muted:#6c7280;--line:#e5e7ed;--accent:#4f46e5;--danger:#c62828;--ok:#16794b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.container{width:min(1120px,calc(100% - 32px));margin:auto}.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.nav{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-weight:800;color:var(--text);text-decoration:none;font-size:18px}.nav nav{display:flex;gap:16px;align-items:center}.nav a{color:var(--text);text-decoration:none}.btn{display:inline-block;background:var(--accent);color:#fff!important;border:0;border-radius:10px;padding:11px 16px;text-decoration:none;cursor:pointer}.btn.secondary{background:#eef0f7;color:var(--text)!important}.btn.danger{background:#b42318}.btn.small{padding:7px 11px;font-size:13px}main.container{padding:28px 0 60px}.hero{background:linear-gradient(135deg,#171923,#34364c);color:#fff;border-radius:20px;padding:42px;margin-bottom:30px}.hero h1{font-size:38px;line-height:1.1;margin:0 0 12px}.hero p{color:#d8d9e0;max-width:680px}.search{display:flex;gap:10px;margin-top:24px}.search input{flex:1}.input,select,textarea,input{width:100%;padding:11px 12px;border:1px solid #d9dce5;border-radius:9px;background:#fff;font:inherit}textarea{min-height:130px;resize:vertical}.section-head{display:flex;justify-content:space-between;align-items:center;margin:26px 0 14px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}.cover{aspect-ratio:3/4;background:#e9ebf2;display:flex;align-items:center;justify-content:center;color:var(--muted);overflow:hidden}.cover img{width:100%;height:100%;object-fit:cover}.card-body{padding:14px}.card h3{font-size:16px;margin:0 0 6px}.muted{color:var(--muted)}.price{font-weight:800;font-size:18px;margin:10px 0}.detail{display:grid;grid-template-columns:340px 1fr;gap:32px}.detail .cover{border-radius:16px}.panel,.form-card,.admin-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}.form-card{max-width:520px;margin:20px auto}.form-row{margin-bottom:15px}.form-row label{display:block;font-weight:650;margin-bottom:6px}.actions{display:flex;gap:10px;flex-wrap:wrap}.flash-wrap{margin-bottom:10px}.flash{padding:11px 14px;border-radius:9px;background:#eef2ff;margin:8px 0}.flash.error{background:#fff0f0;color:#8b1e1e}.flash.success{background:#ecfdf3;color:#136c42}.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}.table th,.table td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left}.table th{font-size:13px;color:var(--muted);background:#fafafa}.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.stat{background:#fff;border:1px solid var(--line);padding:18px;border-radius:12px}.stat b{display:block;font-size:25px}.admin-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.empty{text-align:center;padding:80px 20px}.pdf-frame{width:100%;height:80vh;border:1px solid var(--line);border-radius:12px;background:#222}footer{background:#fff;border-top:1px solid var(--line);padding:25px 0;color:var(--muted)}.pagination{display:flex;gap:7px;margin-top:20px}.pagination a{padding:8px 11px;background:#fff;border:1px solid var(--line);border-radius:8px;text-decoration:none;color:var(--text)}@media(max-width:850px){.grid{grid-template-columns:repeat(2,1fr)}.detail{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.nav nav{gap:8px;font-size:13px}.hero h1{font-size:30px}}@media(max-width:520px){.grid{grid-template-columns:1fr 1fr;gap:10px}.card-body{padding:10px}.hero{padding:26px}.search{flex-direction:column}.stats{grid-template-columns:1fr 1fr}.table{font-size:13px}.table-wrap{overflow:auto}.nav{align-items:flex-start;padding:10px 0}.nav nav{flex-wrap:wrap;justify-content:flex-end}}