.slg-coupon-page .shell {
    max-width: 720px;
}

.slg-coupon-card h1 {
    font-size: clamp(28px, 4vw, 36px);
    margin: 8px 0 12px;
}

.slg-coupon-intro,
.slg-coupon-note {
    color: var(--muted);
    line-height: 1.7;
}

.slg-coupon-intro {
    margin: 0 0 28px;
}

.slg-coupon-form {
    display: grid;
    gap: 18px;
}

.slg-form-step {
    border: 1px solid var(--line);
    border-radius: 14px;
    display: grid;
    gap: 16px;
    margin: 0;
    min-width: 0;
    padding: 18px;
}

.slg-form-step-title {
    align-items: center;
    display: flex;
    gap: 10px;
    padding: 0 6px;
}

.slg-form-step-title > span:last-child {
    display: grid;
    gap: 2px;
}

.slg-form-step-title strong {
    color: var(--text);
    font-size: 15px;
}

.slg-form-step-title small {
    color: var(--muted);
    font-size: 11px;
    font-weight: 500;
}

.slg-step-number {
    align-items: center;
    background: var(--brand);
    border-radius: 50%;
    color: #fff;
    display: inline-flex;
    flex: 0 0 26px;
    font-size: 12px;
    font-weight: 800;
    height: 26px;
    justify-content: center;
}

.slg-coupon-form .btn {
    margin-top: 4px;
    width: 100%;
}

.slg-coupon-form .btn:disabled {
    cursor: wait;
    opacity: 0.65;
}

.slg-optional-label {
    color: var(--muted);
    font-size: 11px;
    font-style: normal;
    font-weight: 600;
    margin-left: 4px;
}

.slg-field-help {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.45;
}

.slg-coupon-card .form-message {
    margin: 20px 0 0;
}

.slg-coupon-results {
    margin-top: 24px;
}

.slg-coupon-results h2 {
    font-size: 18px;
    margin: 0 0 12px;
}

.slg-coupon-result-list {
    display: grid;
    gap: 10px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.slg-coupon-result {
    background: var(--surface);
    border: 1px solid var(--line);
    border-left: 4px solid var(--muted);
    border-radius: 12px;
    padding: 14px 16px;
}

.slg-coupon-result.is-success {
    border-left-color: var(--success, #16804b);
}

.slg-coupon-result.is-already_used {
    border-left-color: var(--accent, #946b18);
}

.slg-coupon-result.is-retry,
.slg-coupon-result.is-failed {
    border-left-color: var(--danger, #c43d3d);
}

.slg-coupon-result-heading {
    align-items: center;
    display: flex;
    gap: 12px;
    justify-content: space-between;
}

.slg-coupon-result-code {
    min-width: 0;
    overflow-wrap: anywhere;
}

.slg-coupon-result-badge {
    border: 1px solid currentColor;
    border-radius: 999px;
    flex: 0 0 auto;
    font-size: 12px;
    font-weight: 700;
    padding: 3px 8px;
}

.slg-coupon-result-message {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.55;
    margin: 8px 0 0;
}

.slg-coupon-note {
    font-size: 13px;
    margin: 18px 0 0;
}

@media (max-width: 640px) {
    .slg-coupon-card {
        padding: 24px 18px;
    }

    .slg-coupon-card h1 {
        font-size: 28px;
    }

    .slg-coupon-intro {
        margin-bottom: 22px;
    }

    .slg-coupon-form {
        gap: 16px;
    }

    .slg-form-step {
        border-radius: 12px;
        padding: 16px 14px;
    }

    .slg-coupon-form .form-control {
        font-size: 16px;
        min-height: 48px;
    }

    .slg-coupon-form .btn {
        min-height: 48px;
        touch-action: manipulation;
    }

    .slg-coupon-result {
        padding: 13px 14px;
    }

    .slg-coupon-result-heading {
        align-items: flex-start;
    }
}