.vtsc-wrap {
    --vtsc-accent: #628bb4;
    --vtsc-accent-dark: #4d759c;
    --vtsc-text: #1f2937;
    --vtsc-border: #d7e1eb;
    --vtsc-bg: #f7f9fc;
    margin: 15px 0;
    color: var(--vtsc-text);
    font-size: 16px;
    line-height: 1.6;
}

.vtsc-card {
    margin: 15px 0;
    padding: 20px;
    border: 1px solid var(--vtsc-border);
    background: #ffffff;
    box-sizing: border-box;
}

.vtsc-checker-card,
.vtsc-info-card,
.vtsc-inquiry-card {
    width: 100%;
}

.vtsc-field-row {
    display: block;
    margin: 15px 0;
}

.vtsc-label {
    display: block;
    margin-bottom: 8px;
    color: var(--vtsc-text);
    font-size: 15px;
    font-weight: 700;
}

.vtsc-select,
.vtsc-detail-input,
.vtsc-inquiry-textarea {
    width: 100%;
    min-height: 52px;
    padding: 14px 16px;
    border: 1px solid var(--vtsc-border);
    border-radius: 0;
    background: #ffffff;
    color: var(--vtsc-text);
    font-size: 16px;
    box-sizing: border-box;
}

.vtsc-select:focus,
.vtsc-detail-input:focus,
.vtsc-inquiry-textarea:focus {
    outline: none;
    border-color: var(--vtsc-accent);
    box-shadow: 0 0 0 1px var(--vtsc-accent);
}

.vtsc-inquiry-textarea {
    min-height: 160px;
    resize: vertical;
}

.vtsc-black-button,
.vtsc-black-button:link,
.vtsc-black-button:visited,
.vtsc-black-button:hover,
.vtsc-black-button:focus,
.vtsc-black-button:active {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 56px;
    margin: 15px 0;
    padding: 16px 20px;
    border: 1px solid #000000;
    border-radius: 0;
    background: #000000;
    color: #ffffff !important;
    font-size: 18px;
    font-weight: 800;
    text-decoration: none !important;
    cursor: pointer;
    box-sizing: border-box;
    -webkit-text-fill-color: #ffffff !important;
}

.vtsc-check-result,
.vtsc-info-result,
.vtsc-inquiry-message {
    margin-top: 15px;
}

.vtsc-result-box,
.vtsc-content-block,
.vtsc-message-box {
    border: 1px solid var(--vtsc-border);
    background: var(--vtsc-bg);
}

.vtsc-result-box {
    padding: 16px;
}

.vtsc-line-item {
    display: block;
    width: 100%;
    margin: 0 0 10px;
    padding: 12px 14px;
    border: 1px solid var(--vtsc-border);
    background: #ffffff;
    box-sizing: border-box;
}

.vtsc-line-item:last-child {
    margin-bottom: 0;
}

.vtsc-topic-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0 0 15px;
}

.vtsc-topic-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 16px;
    border: 1px solid var(--vtsc-accent);
    border-radius: 0;
    background: #ffffff;
    color: var(--vtsc-accent);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    box-sizing: border-box;
}

.vtsc-topic-button.is-active {
    background: var(--vtsc-accent);
    color: #ffffff;
}

.vtsc-search-area {
    position: relative;
    margin: 15px 0;
}

.vtsc-detail-dropdown {
    position: absolute;
    top: calc(100% - 1px);
    left: 0;
    right: 0;
    z-index: 20;
    max-height: 260px;
    overflow-y: auto;
    border: 1px solid var(--vtsc-border);
    background: #ffffff;
    box-sizing: border-box;
}

.vtsc-detail-option {
    display: block;
    width: 100%;
    padding: 12px 14px;
    border-bottom: 1px solid #eef3f8;
    background: #ffffff;
    color: var(--vtsc-text);
    font-size: 15px;
    text-align: left;
    cursor: pointer;
    box-sizing: border-box;
}

.vtsc-detail-option:last-child {
    border-bottom: 0;
}

.vtsc-detail-option:hover,
.vtsc-detail-option:focus,
.vtsc-detail-option.is-highlighted {
    background: #000000;
    color: #ffffff;
}

.vtsc-content-block {
    padding: 16px;
}

.vtsc-content-title {
    margin: 0 0 12px;
    color: var(--vtsc-accent-dark);
    font-size: 18px;
    font-weight: 800;
}

.vtsc-qr-box {
    display: block;
    margin-top: 12px;
    text-align: center;
}

.vtsc-qr-box img {
    max-width: 120px;
    height: auto;
}

a.eitc-apply-button,
 a.eitc-apply-button:link,
 a.eitc-apply-button:visited,
 a.eitc-apply-button:hover,
 a.eitc-apply-button:focus,
 a.eitc-apply-button:active {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 56px;
    padding: 16px 20px;
    margin: 15px 0 15px;
    border: 1px solid #4d759c;
    background: linear-gradient(180deg, #7399c0 0%, #628bb4 48%, #4d759c 100%);
    color: #ffffff !important;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-decoration: none !important;
    box-shadow: 0 12px 24px rgba(98, 139, 180, 0.26), inset 0 1px 0 rgba(255,255,255,0.25);
    overflow: hidden;
    transition: transform 0.16s ease, box-shadow 0.16s ease, filter 0.16s ease;
    animation: eitcApplyPulse 1.7s ease-in-out infinite;
    box-sizing: border-box;
    -webkit-text-fill-color: #ffffff !important;
}

 a.eitc-apply-button span,
 a.eitc-apply-button span:link,
 a.eitc-apply-button span:visited,
 a.eitc-apply-button span:hover,
 a.eitc-apply-button span:focus,
 a.eitc-apply-button span:active {
    position: relative;
    z-index: 2;
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
}

 a.eitc-apply-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -30%;
    width: 24%;
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.26) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-18deg);
    animation: eitcApplyShine 2.8s linear infinite;
    z-index: 1;
}

 a.eitc-apply-button:hover,
 a.eitc-apply-button:focus {
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
    transform: translateY(-1px);
    box-shadow: 0 16px 28px rgba(98, 139, 180, 0.34), inset 0 1px 0 rgba(255,255,255,0.25);
    filter: saturate(1.05);
}

 a.eitc-apply-button:active {
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
    transform: translateY(1px);
    box-shadow: 0 8px 16px rgba(98, 139, 180, 0.26), inset 0 2px 6px rgba(0,0,0,0.15);
}

.vtsc-share-button,
.vtsc-share-button:link,
.vtsc-share-button:visited,
.vtsc-share-button:hover,
.vtsc-share-button:focus,
.vtsc-share-button:active {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 56px;
    padding: 16px 20px;
    margin: 0;
    border: 1px solid #2f475f;
    border-radius: 0;
    background: linear-gradient(180deg, #4c657f 0%, #3b536c 48%, #2f475f 100%);
    color: #ffffff !important;
    font-size: 18px;
    font-weight: 800;
    text-decoration: none !important;
    cursor: pointer;
    box-sizing: border-box;
    -webkit-text-fill-color: #ffffff !important;
}

.vtsc-share-feedback {
    margin-top: 10px;
    color: var(--vtsc-accent-dark);
    font-size: 14px;
    font-weight: 700;
}

.vtsc-inquiry-card {
    border-top: 4px solid var(--vtsc-accent);
}

.vtsc-inquiry-title {
    margin: 0 0 12px;
    color: var(--vtsc-text);
    font-size: 20px;
    font-weight: 800;
}

.vtsc-message-box {
    padding: 14px 16px;
    color: var(--vtsc-accent-dark);
    font-weight: 700;
}

@keyframes eitcApplyPulse {
    0%,
    100% {
        box-shadow: 0 12px 24px rgba(98, 139, 180, 0.26), inset 0 1px 0 rgba(255,255,255,0.25);
    }
    50% {
        box-shadow: 0 16px 30px rgba(98, 139, 180, 0.34), inset 0 1px 0 rgba(255,255,255,0.3);
    }
}

@keyframes eitcApplyShine {
    0% {
        left: -30%;
    }
    100% {
        left: 120%;
    }
}

@media (max-width: 767px) {
    .vtsc-card {
        padding: 16px;
    }

    .vtsc-topic-buttons {
        gap: 8px;
    }

    .vtsc-topic-button {
        font-size: 14px;
        padding: 10px 12px;
    }
}