:root{--primary: #2563eb;--primary-hover: #1d4ed8;--bg: #f8fafc;--card-bg: #ffffff;--text-main: #0f172a;--text-muted: #64748b;--border: #e2e8f0;--radius: 12px;--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1)}body{font-family:Inter,-apple-system,sans-serif;background-color:var(--bg);color:var(--text-main);margin:0;line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.main-nav{background:var(--card-bg);border-bottom:1px solid var(--border);padding:1rem 0;margin-bottom:2rem;position:sticky;top:0;z-index:10}.nav-content{display:flex;align-items:center;justify-content:space-between;gap:1rem}.logo{font-size:1.25rem;font-weight:800;text-decoration:none;color:var(--text-main)}.logo span{color:var(--primary)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow);transition:all .2s ease}input,textarea,select{width:100%;padding:.75rem;border:1px solid var(--border);border-radius:8px;margin-top:.5rem;font-size:1rem;background:#fff}button,.button{display:inline-flex;align-items:center;justify-content:center;background-color:var(--primary);color:#fff;padding:.75rem 1.5rem;border-radius:8px;border:none;font-weight:600;cursor:pointer;transition:background .2s;text-decoration:none}button:hover{background-color:var(--primary-hover)}button.secondary{background-color:#f1f5f9;color:var(--text-main);border:1px solid var(--border)}button.secondary:hover{background-color:#e2e8f0}.qty-badge{background:#dcfce7;color:#166534;padding:.25rem .75rem;border-radius:999px;font-size:.875rem;font-weight:700}@media print{.main-nav,button,.button{display:none!important}body{background:#fff}.card{box-shadow:none;border:1px solid #eee}}