:root{--primary:#036;--primary-hover:#024;--primary-light:#e6f0fa;--accent:#d97706;--accent-hover:#b45309;--accent-light:#fef3c7;--whatsapp:#25d366;--whatsapp-hover:#1ebc57;--whatsapp-light:#eafaf1;--bg-main:#f8fafc;--bg-card:#fff;--border:#e2e8f0;--border-focus:#005bb5;--text-main:#0f172a;--text-muted:#64748b;--text-light:#94a3b8;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.08),0 2px 4px -2px rgba(0,0,0,.05);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.08);--font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-main);color:var(--text-main);line-height:1.6;min-height:100vh;display:flex;flex-direction:column}a{color:inherit;text-decoration:none}.container{width:100%;max-width:1240px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}.header{background-color:#fff;border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:50;box-shadow:var(--shadow-sm)}.nav{justify-content:space-between;height:72px}.logo-brand,.nav{display:flex;align-items:center}.logo-brand{gap:10px;font-size:1.35rem;font-weight:800;letter-spacing:-.5px;color:var(--primary)}.logo-badge{background-color:var(--primary);color:#fff;padding:4px 8px;border-radius:var(--radius-sm);font-size:.85rem;font-weight:900;letter-spacing:.5px}.nav-links{display:flex;align-items:center;gap:24px}.nav-link{font-size:.95rem;font-weight:500;color:var(--text-muted);transition:color .2s}.nav-link:hover{color:var(--primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;font-size:.95rem;font-weight:600;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all .2s ease-in-out;text-align:center}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover);box-shadow:var(--shadow-md)}.btn-whatsapp{background-color:var(--whatsapp);color:#fff}.btn-whatsapp:hover{background-color:var(--whatsapp-hover);box-shadow:var(--shadow-md)}.btn-secondary{background-color:#fff;color:var(--text-main);border-color:var(--border)}.btn-secondary:hover{background-color:#f1f5f9;border-color:#cbd5e1}.btn-sm{padding:6px 12px;font-size:.85rem}.btn-lg{padding:14px 24px;font-size:1.05rem}.btn-full{width:100%}.hero{background:linear-gradient(135deg,#024,#036 50%,#004c99);color:#fff;padding:56px 0 64px;position:relative;overflow:hidden}.hero-content{max-width:800px;text-align:center;margin:0 auto}.hero-title{font-size:2.5rem;font-weight:800;line-height:1.2;margin-bottom:16px;letter-spacing:-.5px}.hero-subtitle{font-size:1.15rem;opacity:.9;margin-bottom:32px;line-height:1.5}.filter-card{background:#fff;color:var(--text-main);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-lg);margin-top:-32px;border:1px solid var(--border);position:relative;z-index:10}.filter-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:16px;gap:16px;align-items:flex-end}.form-group{display:flex;flex-direction:column;gap:6px}.form-label{font-size:.85rem;font-weight:600;color:var(--text-muted)}.form-input,.form-select,.form-textarea{width:100%;padding:10px 14px;border-radius:var(--radius-md);border:1px solid var(--border);font-size:.95rem;background-color:#fff;color:var(--text-main);transition:border-color .2s,box-shadow .2s;outline:none}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px rgba(0,91,181,.15)}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:24px;gap:24px;margin:32px 0 48px}.product-card{background-color:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column}.product-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.product-img-wrapper{position:relative;width:100%;padding-top:75%;background-color:#f1f5f9;overflow:hidden}.product-img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}.product-body{padding:18px;display:flex;flex-direction:column;flex:1 1}.product-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.badge{display:inline-block;padding:3px 8px;font-size:.75rem;font-weight:600;border-radius:9999px;background-color:var(--primary-light);color:var(--primary)}.badge-condition{background-color:#f1f5f9;color:var(--text-muted)}.product-title{font-size:1.05rem;font-weight:700;line-height:1.35;margin-bottom:8px;color:var(--text-main)}.product-meta{font-size:.85rem;color:var(--text-muted);margin-bottom:16px}.product-footer{margin-top:auto;display:flex;gap:8px}.footer{margin-top:auto;background-color:#0f172a;color:#94a3b8;padding:48px 0 24px;border-top:1px solid #1e293b}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:36px;gap:36px;margin-bottom:40px}.footer-title{color:#fff;font-size:1rem;font-weight:700;margin-bottom:16px}.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}.footer-link{transition:color .2s;font-size:.9rem}.footer-link:hover{color:#fff}.footer-bottom{text-align:center;padding-top:24px;border-top:1px solid #1e293b;font-size:.85rem}@media (max-width:768px){.hero-title{font-size:1.85rem}.filter-grid{grid-template-columns:1fr}}.admin-container{padding:32px 0 64px}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:16px}.admin-title{font-size:1.75rem;font-weight:800;color:var(--primary)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:16px;gap:16px;margin-bottom:32px}.stat-card{background:#fff;padding:20px;border-radius:var(--radius-md);border:1px solid var(--border);box-shadow:var(--shadow-sm)}.stat-label{font-size:.85rem;color:var(--text-muted);font-weight:600;margin-bottom:4px}.stat-value{font-size:1.75rem;font-weight:800;color:var(--text-main)}.admin-table-card{background:#fff;border-radius:var(--radius-md);border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow-sm)}.admin-table{width:100%;border-collapse:collapse;text-align:left}.admin-table th{background-color:#f8fafc;padding:12px 16px;font-size:.85rem;font-weight:700;color:var(--text-muted)}.admin-table td,.admin-table th{border-bottom:1px solid var(--border)}.admin-table td{padding:14px 16px;font-size:.9rem;vertical-align:middle}.admin-table tr:last-child td{border-bottom:none}.admin-thumb{width:54px;height:54px;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--border);background:#f1f5f9}.upload-dropzone{border:2px dashed #94a3b8;border-radius:var(--radius-lg);padding:40px 20px;text-align:center;background-color:#f8fafc;cursor:pointer;transition:all .2s}.upload-dropzone.active,.upload-dropzone:hover{border-color:var(--primary);background-color:var(--primary-light)}.comparison-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:20px;gap:20px;margin:24px 0}@media (max-width:640px){.comparison-grid{grid-template-columns:1fr}}.image-preview-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;text-align:center}.image-preview-box img{width:100%;max-height:280px;object-fit:contain;border-radius:var(--radius-sm)}.image-preview-label{font-size:.85rem;font-weight:700;color:var(--text-muted);margin-bottom:8px;display:flex;align-items:center;justify-content:center;gap:6px}.product-image-container{position:relative;background:#fff;border-radius:16px;border:1px solid var(--border);overflow:hidden;box-shadow:0 4px 12px rgba(0,0,0,.05);cursor:zoom-in;padding:24px;text-align:center;transition:transform .2s,box-shadow .2s}.product-image-container:hover{box-shadow:var(--shadow-lg)}.product-detail-image{width:100%;max-height:480px;object-fit:contain;display:block;margin:0 auto}.zoom-hint-badge{position:absolute;bottom:16px;right:16px;background-color:rgba(0,51,102,.88);color:#fff;padding:6px 12px;border-radius:var(--radius-sm);font-size:.8rem;font-weight:600;display:inline-flex;align-items:center;gap:6px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);pointer-events:none;box-shadow:var(--shadow-sm)}.lightbox-overlay{position:fixed;inset:0;z-index:1000;background-color:rgba(0,0,0,.88);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:24px;cursor:zoom-out;animation:fadeIn .18s ease-out}.lightbox-content{position:relative;max-width:92vw;max-height:90vh;display:flex;flex-direction:column;align-items:center;cursor:default;animation:scaleUp .18s ease-out}.lightbox-img{max-width:100%;max-height:80vh;object-fit:contain;border-radius:12px;background-color:#fff;padding:16px;box-shadow:0 25px 50px -12px rgba(0,0,0,.6)}.lightbox-caption{color:#fff;font-size:1.05rem;font-weight:700;margin-top:14px;text-align:center;text-shadow:0 2px 4px rgba(0,0,0,.7)}.lightbox-close-btn{position:absolute;top:24px;right:24px;background:hsla(0,0%,100%,.15);border:1px solid hsla(0,0%,100%,.25);color:#fff;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;z-index:1001}.lightbox-close-btn:hover{background:hsla(0,0%,100%,.35);transform:scale(1.08)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleUp{0%{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}