:root{--primary-color: #0d6efd;--primary-hover: #0b5ed7;--secondary-color: #0f172a;--accent-color: #f59e0b;--accent-hover: #d97706;--success-color: #10b981;--danger-color: #ef4444;--bg-light: #f8fafc;--bg-card: #ffffff;--border-color: #e2e8f0;--text-main: #1e293b;--text-muted: #64748b;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0,0,0,.05);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -1px rgba(0,0,0,.04);--shadow-lg: 0 10px 25px -5px rgba(0,0,0,.1), 0 8px 10px -6px rgba(0,0,0,.05)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-light);color:var(--text-main);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--primary-color);text-decoration:none;transition:all .2s ease}a:hover{color:var(--primary-hover)}.container{max-width:1280px;margin:0 auto;padding:0 20px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:600;border-radius:var(--radius-sm);border:none;cursor:pointer;transition:all .2s ease-in-out}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px)}.btn-accent{background-color:var(--accent-color);color:#fff}.btn-accent:hover{background-color:var(--accent-hover)}.btn-secondary{background-color:#e2e8f0;color:var(--text-main)}.btn-secondary:hover{background-color:#cbd5e1}.btn-outline{background-color:transparent;border:1px solid var(--border-color);color:var(--text-main)}.btn-outline:hover{background-color:var(--bg-light);border-color:#cbd5e1}.btn-danger{background-color:var(--danger-color);color:#fff}.btn-danger:hover{background-color:#dc2626}.card{background-color:var(--bg-card);border-radius:var(--radius-md);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);padding:20px;transition:box-shadow .2s ease,transform .2s ease}.card:hover{box-shadow:var(--shadow-md)}.badge{display:inline-block;padding:4px 10px;font-size:12px;font-weight:600;border-radius:20px;text-transform:uppercase}.badge-secondhand{background-color:#fef3c7;color:#92400e}.badge-new{background-color:#dcfce7;color:#166534}.badge-summer{background-color:#ffedd5;color:#c2410c}.badge-winter{background-color:#e0f2fe;color:#0369a1}.badge-allseason{background-color:#f3e8ff;color:#6b21a8}.form-group{margin-bottom:16px}.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--text-main)}.form-control{width:100%;padding:10px 14px;font-size:14px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background-color:#fff;color:var(--text-main);outline:none;transition:border-color .2s ease}.form-control:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #0d6efd26}.grid-cols-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.grid-cols-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-cols-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}@media(max-width:992px){.grid-cols-4,.grid-cols-3{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.grid-cols-4,.grid-cols-3,.grid-cols-2{grid-template-columns:1fr}}