:root{--surface:#1e293b;--panel:#111827;--border:#ffffff0f;--text:#e5e7eb;--muted:#9ca3af;--accent:#4a90e2;--danger:#ef4444}.checkout-container{max-width:1200px;margin:40px auto;padding:20px}.checkout-panel{background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:14px;padding:30px}.checkout-title{margin-bottom:20px;font-size:1.6rem}.checkout-table{width:100%;margin-bottom:25px}.table-header,.table-row{border-bottom:1px solid var(--border);grid-template-columns:2fr 1fr 1fr 1fr 1fr;align-items:center;padding:12px 0;display:grid}.table-header span{color:var(--muted);font-size:.9rem}.item-info{align-items:center;gap:10px;display:flex}.item-image{width:45px;height:45px}.quantity-controls{align-items:center;gap:8px;display:flex}.quantity-controls button{color:#fff;cursor:pointer;background:#24344a;border:none;border-radius:6px;width:28px;height:28px;font-size:1rem}.remove-btn{background:var(--danger);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:6px 12px}.price-summary{text-align:right;margin-bottom:25px;font-size:1.2rem}.coupon-section{gap:10px;margin-bottom:25px;display:flex}.coupon-section input{border:1px solid var(--border);color:var(--text);background:#1f2a37;border-radius:8px;flex:1;padding:10px}.redeem-btn{background:var(--danger);color:#fff;border:none;border-radius:8px;padding:10px 20px}.section-title{margin:20px 0 10px;font-size:1.2rem}.billing-grid{grid-template-columns:repeat(3,1fr);gap:15px;display:grid}.billing-grid input{border:1px solid var(--border);color:#fff;background:#1f2a37;border-radius:8px;width:100%;padding:10px}.payment-box{border:1px solid var(--border);background:#1f2a37;border-radius:8px;margin-bottom:20px;padding:15px}.payment-box label{align-items:center;gap:10px;display:flex}.privacy-box{margin-bottom:20px}.checkout-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:10px;width:100%;padding:14px;font-size:1.1rem;font-weight:700}.coupon-error{color:#ef4444;margin-top:5px}.coupon-success{color:#4ade80;margin-top:5px}