* { box-sizing: border-box; }
        body {
            margin: 0;
            font-family: 'Poppins', sans-serif;
            background: linear-gradient(135deg, #fff5f5, #ffffff);
            color: #222;
        }
        .success-wrap {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 40px 20px;
        }
        .success-card {
            width: min(700px, 100%);
            background: #fff;
            border-radius: 28px;
            box-shadow: 0 25px 60px rgba(0,0,0,0.12);
            padding: 40px 30px;
            text-align: center;
        }
        .success-icon {
            width: 90px;
            height: 90px;
            border-radius: 50%;
            background: linear-gradient(135deg, #d32f2f, #ff6f00);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 42px;
            margin: 0 auto 20px;
        }
        .success-card h1 {
            font-size: clamp(28px, 4vw, 42px);
            margin: 0 0 12px;
        }
        .success-card p {
            margin: 8px 0;
            color: #555;
            font-size: 16px;
        }
        .order-box {
            background: #fff8f3;
            border: 1px solid #ffd7bd;
            border-radius: 18px;
            padding: 22px 18px;
            margin: 28px auto;
            max-width: 420px;
        }
        .order-box h3 {
            margin: 0 0 8px;
            color: #d32f2f;
        }
        .order-meta {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            margin: 12px 0;
            font-size: 14px;
            color: #333;
        }
        .order-meta strong {
            color: #111;
        }
        .action-row {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 22px;
        }
        .btn {
            display: inline-block;
            padding: 14px 24px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            transition: 0.3s;
        }
        .btn-primary {
            background: linear-gradient(135deg, #d32f2f, #ff6f00);
            color: #fff;
        }
        .btn-secondary {
            background: #fff;
            border: 2px solid #d32f2f;
            color: #d32f2f;
        }
        .btn:hover { transform: translateY(-2px); }