.custom-coupon-form {
    max-width: 600px;
    margin: 80px auto;
    padding: 30px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    color: #1d1d1f;
}

.ucg-coupon-wrapper {
    max-width: 720px;
    margin: 0 auto 40px;
    display: grid;
    gap: 24px;
}

.ucg-coupon-wrapper .custom-coupon-form {
    margin: 0;
}

.ucg-coupon-cover {
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.ucg-coupon-cover img {
    width: 100%;
    height: auto;
    display: block;
}

.ucg-coupon-notice {
    border-radius: 14px;
    padding: 18px 20px;
    font-weight: 600;
    text-align: center;
}

.ucg-coupon-notice--warning {
    background: #fff4e5;
    color: #8a4c00;
    border: 1px solid #f4c78b;
}

.ucg-coupon-notice--info {
    background: #e8f4ff;
    color: #0b4d82;
    border: 1px solid #99c7f2;
}

.ucg-error-message {
    background: #fdeaea;
    border-radius: 12px;
    padding: 16px 18px;
    border: 1px solid #f0b1b1;
}

.ucg-error-message p {
    margin: 0;
    color: #a42828;
    font-weight: 600;
}

.custom-coupon-form label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
    margin-top: 20px;
    color: #333;
}

.custom-coupon-form input[type="text"],
.custom-coupon-form input[type="email"],
.custom-coupon-form input[type="date"],
.custom-coupon-form select {
    width: 100%;
    padding: 12px 14px;
    font-size: 14px;
    border: 1px solid #dcdcdc;
    border-radius: 8px;
    background: #fafafa;
    transition: border-color 0.2s ease;
}

.custom-coupon-form input:focus,
.custom-coupon-form select:focus {
    border-color: #007aff;
    background: #fff;
    outline: none;
}

.custom-coupon-form input[type="submit"] {
    margin-top: 30px;
    width: 100%;
    padding: 14px;
    font-size: 16px;
    background-color: #007aff;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.custom-coupon-form input[type="submit"]:hover {
    background-color: #005ecb;
}

.custom-coupon-form p {
    margin-top: 20px;
    font-size: 14px;
    color: #444;
}

.custom-coupon-form .ucg-phone-warning {
    margin-top: 6px;
    color: #d63638;
    font-size: 13px;
}

@media (max-width: 600px) {
    .custom-coupon-form {
        padding: 20px;
        margin: 80px 16px;
    }

    .custom-coupon-form input[type="submit"] {
        font-size: 15px;
    }
}

.ucg-collection-grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    margin: 40px auto;
    max-width: 1100px;
}

@media (min-width: 640px) {
    .ucg-collection-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .ucg-collection-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.ucg-collection-card {
    background: #ffffff;
    border-radius: 18px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ucg-collection-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.ucg-collection-card__image {
    display: block;
    aspect-ratio: 16 / 9;
    background: #f5f5f5;
    position: relative;
}

.ucg-collection-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.ucg-collection-card__placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #555;
    font-weight: 600;
}

.ucg-collection-card__body {
    padding: 20px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}


.ucg-coupon-verify {
    width: 100%;
    max-width: 520px;
    margin: 80px auto;
    padding: 24px;
    background: #ffffff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    box-sizing: border-box;
    justify-self: center;
    align-self: center;
}

.ucg-coupon-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ucg-coupon-summary-card {
    margin-top: 8px;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

@media (min-width: 900px) {
    .ucg-coupon-summary-card {
        position: sticky;
        top: 32px;
    }
}

@media (max-width: 899px) {
    .ucg-coupon-summary-card {
        position: static;
    }
}


.ucg-coupon-notice {
    padding: 12px 16px;
    border-radius: 6px;
    margin: 0;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
}

.ucg-coupon-notice p {
    margin: 0;
    flex: 1;
}

.ucg-coupon-notice--success {
    background: #ecf9f1;
    border: 1px solid #b6e2c7;
    color: #166534;
}

.ucg-coupon-notice--error {
    background: #fdecea;
    border: 1px solid #f5c2c0;
    color: #b42318;
}

.ucg-coupon-notice--warning {
    background: #fff6df;
    border: 1px solid #f3d98e;
    color: #92400e;
}

.ucg-coupon-notice--info {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1d4ed8;
}

.ucg-coupon-verify-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ucg-coupon-verify-form label {
    font-weight: 600;
    color: #0f172a;
}

.ucg-coupon-verify-form input[type="text"] {
    padding: 12px 14px;
    border: 1px solid #d0d5dd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.ucg-coupon-verify-form input[type="text"]:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    outline: none;
}

.ucg-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 18px;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.ucg-submit:hover {
    transform: translateY(-1px);
}

.ucg-submit--primary {
    background: #2271b1;
    color: #ffffff;
}

.ucg-submit--primary:hover {
    background: #1b5f91;
}

.ucg-submit--secondary {
    background: #16a34a;
    color: #ffffff;
}

.ucg-submit--secondary:hover {
    background: #15803d;
}

.ucg-coupon-qr-wrapper {
    margin-top: 8px;
    padding: 18px;
    border-radius: 12px;
    border: 1px dashed #94a3b8;
    background: #f8fafc;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
    box-sizing: border-box;
}

.ucg-coupon-qr-wrapper.is-active {
    border-style: solid;
    border-color: #2271b1;
    background: #eff6ff;
    box-shadow: 0 0 0 3px rgba(34, 113, 177, 0.12);
}

.ucg-coupon-qr-reader {
    min-height: 220px;
    border-radius: 10px;
    overflow: hidden;
    background: #0f172a0d;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.ucg-coupon-qr-reader .html5-qrcode-scanner,
.ucg-coupon-qr-reader .html5-qrcode-element,
.ucg-coupon-qr-reader [id^="ucg-coupon-qr-reader__"] {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
}

.ucg-coupon-qr-reader video,
.ucg-coupon-qr-reader canvas {
    width: 100% !important;
    height: auto !important;
    max-height: 70vh;
    object-fit: cover;
    display: block;
}

.ucg-coupon-qr-reader .html5-qrcode-element > img,
.ucg-coupon-qr-reader .html5-qrcode-element > video {
    width: 100% !important;
    height: auto !important;
}

.ucg-coupon-qr-hint {
    margin: 0;
    font-size: 0.9rem;
    color: #475569;
}


.ucg-coupon-summary-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid #e2e8f0;
}

.ucg-coupon-summary-label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #64748b;
    font-weight: 600;
}

.ucg-coupon-summary-value {
    display: block;
    font-size: 1.6rem;
    font-weight: 700;
    color: #0f172a;
}

.ucg-coupon-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.ucg-coupon-badge--valid {
    background: #dcfce7;
    color: #166534;
}

.ucg-coupon-badge--used {
    background: #fef3c7;
    color: #92400e;
}

.ucg-coupon-badge--expired {
    background: #fee2e2;
    color: #b91c1c;
}

.ucg-coupon-badge--info {
    background: #e0f2fe;
    color: #0369a1;
}

.ucg-coupon-summary-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 12px;
}

.ucg-coupon-summary-list li {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: baseline;
    padding: 12px 0;
    border-bottom: 1px solid #e2e8f0;
}

.ucg-coupon-summary-list li:last-child {
    border-bottom: none;
}

.ucg-coupon-summary-list .label {
    font-weight: 600;
    color: #475569;
}

.ucg-coupon-summary-list .value {
    font-weight: 600;
    color: #0f172a;
}

.ucg-coupon-actions {
    display: flex;
    justify-content: flex-end;
}

.ucg-coupon-live {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

@media (max-width: 600px) {
    .ucg-coupon-verify {
        margin: 40px 16px;
        padding: 20px;
        gap: 20px;
    }

    .ucg-coupon-summary-card {
        gap: 16px;
    }
}

.ucg-collection-card__title {
    margin: 0;
    font-size: 18px;
    color: #1d1d1f;
}

.ucg-collection-card__link {
    align-self: flex-start;
    padding: 10px 18px;
    background: linear-gradient(135deg, #ff6f3d 0%, #ff9647 100%);
    color: #ffffff;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s ease;
}

.ucg-collection-card__link:hover {
    background: linear-gradient(135deg, #ff5f24 0%, #ff7a2e 100%);
}

.ucg-collection-empty {
    text-align: center;
    font-weight: 600;
    color: #444;
    margin: 30px auto;
}