/* checkout.css — estilos propios de checkout.php.
   Extraído del <style> embebido el 2026-07-06 (Fase 1, sin cambios de contenido).
   Esta página NO usa rmc.css: todo su CSS vive aquí. */

/* ── bloque 1 (posición original head) ── */
        :root {
            --bg: #121110;
            --surface: #1A1917;
            --cream: #242220;
            --border: #3A3833;
            --text: #E3DDCF;
            --muted: #B0ADA6;
            --gold: #DDB460;
            --coral: #5E1014;
        }
        * { box-sizing: border-box; margin:0; padding:0; }
        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: 'Lato', sans-serif;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 24px;
        }
        .container {
            background-color: var(--surface);
            border: 1px solid var(--border);
            width: 100%;
            max-width: 600px;
            padding: 40px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.6);
            display: grid;
            grid-template-columns: 1fr;
            gap: 30px;
        }
        .logo { text-align: center; }
        .logo img { height: 50px; }
        h2 {
            font-size: 16px;
            font-weight: 400;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            color: var(--gold);
            border-bottom: 1px solid var(--border);
            padding-bottom: 10px;
            margin-bottom: 10px;
        }
        .form-group {
            margin-bottom: 20px;
            display: flex;
            flex-direction: column;
        }
        label {
            font-size: 9px;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--muted);
            margin-bottom: 8px;
        }
        input {
            background-color: var(--cream);
            border: 1px solid var(--border);
            color: var(--text);
            padding: 12px 16px;
            font-family: 'Lato', sans-serif;
            font-size: 14px;
            outline: none;
        }
        input:focus { border-color: var(--gold); }
        .btn {
            background-color: var(--gold);
            color: #121110;
            border: none;
            padding: 14px;
            width: 100%;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            cursor: pointer;
            transition: background-color 0.2s;
        }
        .btn:hover { background-color: #ECC67E; }
        .alert-error {
            background-color: rgba(94, 16, 20, 0.2);
            border-left: 3px solid var(--coral);
            color: #ff858a;
            padding: 12px;
            font-size: 13px;
        }
        .cart-summary {
            background-color: var(--cream);
            border: 1px solid var(--border);
            padding: 20px;
        }
        .summary-item {
            display: flex;
            justify-content: space-between;
            font-size: 13.5px;
            margin-bottom: 8px;
        }
        .summary-item.total {
            border-top: 1px solid var(--border);
            padding-top: 10px;
            margin-top: 10px;
            font-weight: 700;
            color: var(--gold);
            font-size: 15px;
        }
    
/* ── bloque 2 (posición original body) ── */
    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }