.selector-page{max-width:1280px;margin:0 auto;padding:22px 15px}
.selector-hero{background:linear-gradient(135deg,#003b73,#005bac);color:#fff;padding:34px;border-radius:10px;margin-bottom:22px}
.selector-hero h1{margin:0 0 10px;font-size:34px}
.selector-hero p{margin:0;font-size:17px;color:#e5eef8}
.selector-layout{display:grid;grid-template-columns:320px 1fr;gap:22px;align-items:start}
.filter-card,.result-area{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:20px;box-shadow:0 2px 8px rgba(0,0,0,.04)}
.filter-card h2{color:#003b73;margin-top:0}
.filter-card label{display:block;margin:14px 0 6px;color:#111827;font-weight:700}
.filter-card select{width:100%;padding:11px;border:1px solid #d1d5db;border-radius:6px;background:#fff}
.filter-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.filter-actions button,.zalo-help,.empty-result button{background:#e60012;color:#fff;border:0;padding:12px;border-radius:6px;font-weight:700;cursor:pointer}
.filter-actions .reset{background:#6b7280}
.filter-note{color:#6b7280;font-size:13px;line-height:1.5}
.result-top{display:flex;justify-content:space-between;align-items:center;gap:15px;border-bottom:1px solid #e5e7eb;padding-bottom:15px;margin-bottom:18px}
.result-top h2{color:#003b73;margin:0 0 5px}.result-top p{margin:0;color:#4b5563}
.zalo-help{background:#005bac;white-space:nowrap}
.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.result-card{border:1px solid #e5e7eb;border-radius:8px;padding:14px;position:relative;background:#fff}
.result-card img{width:100%;height:150px;object-fit:contain;background:#f9fafb;border-radius:6px}
.result-card h3{color:#003b73;font-size:18px;min-height:44px;margin:12px 0 6px}
.result-card p{color:#374151;font-size:14px;line-height:1.45}.result-card .meta{color:#6b7280;font-weight:700}
.score{position:absolute;top:10px;left:10px;background:#16a34a;color:#fff;font-size:12px;padding:5px 8px;border-radius:20px}
.result-buttons{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
.result-buttons a,.result-buttons button{text-align:center;text-decoration:none;border:0;background:#004b93;color:#fff;padding:10px;border-radius:6px;font-weight:700;cursor:pointer}
.result-buttons button{background:#e60012}
.empty-result{grid-column:1/-1;background:#fff7ed;border:1px solid #fed7aa;padding:25px;border-radius:8px;text-align:center}
.menu a.active{background:#e60012;color:#fff}
@media(max-width:1000px){.selector-layout{grid-template-columns:1fr}.result-grid{grid-template-columns:repeat(2,1fr)}.result-top{display:block}.zalo-help{margin-top:12px}}
@media(max-width:650px){.result-grid{grid-template-columns:1fr}.selector-hero h1{font-size:26px}.filter-actions{grid-template-columns:1fr}}