.eitc-tool {
    --eitc-main: #628bb4;
    --eitc-main-dark: #4d759c;
    --eitc-border: #d8e4f0;
    --eitc-bg: #f5f8fb;
    --eitc-text: #222222;
    margin: 15px 0;
    color: var(--eitc-text);
    font-size: 16px;
    line-height: 1.6;
}

.eitc-tool * {
    box-sizing: border-box;
}

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

.eitc-field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.eitc-field-full {
    grid-column: 1 / -1;
}


.eitc-top-card .eitc-field-grid,
.eitc-top-card .eitc-yesno-grid {
    grid-template-columns: 1fr;
}

.eitc-label {
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--eitc-main);
}

.eitc-input,
.eitc-dropdown-toggle,
.eitc-dropdown-search,
.eitc-inquiry-textarea {
    width: 100%;
    border: 1px solid #c9d8e7;
    background: #ffffff;
    color: #222222;
    padding: 13px 14px;
    outline: none;
    border-radius: 0;
    font-size: 15px;
}

.eitc-input:focus,
.eitc-dropdown-toggle:focus,
.eitc-dropdown-search:focus,
.eitc-inquiry-textarea:focus {
    border-color: var(--eitc-main);
    box-shadow: 0 0 0 1px rgba(98, 139, 180, 0.08);
}

.eitc-household-buttons,
.eitc-topic-buttons,
.eitc-yesno-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.eitc-select-button,
.eitc-topic-buttons button {
    min-width: 110px;
    border: 1px solid var(--eitc-main);
    background: #ffffff;
    color: var(--eitc-main);
    padding: 12px 16px;
    font-size: 15px;
    font-weight: 700;
    border-radius: 0;
    cursor: pointer;
    transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.eitc-select-button.is-active,
.eitc-topic-buttons button.is-active,
.eitc-select-button:hover,
.eitc-topic-buttons button:hover,
.eitc-select-button:focus,
.eitc-topic-buttons button:focus {
    background: var(--eitc-main);
    color: #ffffff;
}

.eitc-topic-buttons {
    margin-bottom: 14px;
}

.eitc-topic-buttons button {
    flex: 0 1 auto;
}

.eitc-dropdown {
    position: relative;
}

.eitc-dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    cursor: pointer;
}

.eitc-dropdown-toggle::after {
    content: '▾';
    margin-left: 12px;
    color: var(--eitc-main);
    font-size: 14px;
}

.eitc-dropdown-panel {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    z-index: 30;
    background: #ffffff;
    border: 1px solid #c9d8e7;
    display: none;
}

.eitc-dropdown.is-open .eitc-dropdown-panel {
    display: block;
}

.eitc-dropdown-search {
    border-width: 0 0 1px 0;
}

.eitc-dropdown-list {
    max-height: 240px;
    overflow-y: auto;
}

.eitc-dropdown-option {
    width: 100%;
    display: block;
    border: 0;
    background: #ffffff;
    color: #222222;
    text-align: left;
    padding: 12px 14px;
    cursor: pointer;
    border-radius: 0;
    font-size: 15px;
}

.eitc-dropdown-option:hover,
.eitc-dropdown-option:focus,
.eitc-dropdown-option.is-highlight {
    background: #000000;
    color: #ffffff;
}

.eitc-dropdown-empty {
    padding: 12px 14px;
    color: #666666;
    font-size: 14px;
}

.eitc-yesno-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.eitc-yesno-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    border: 1px solid #d9e3ef;
    background: #ffffff;
}

.eitc-yesno-item .eitc-label {
    margin-bottom: 0;
    flex: 1 1 auto;
}

.eitc-yesno-item .eitc-yesno-buttons {
    flex-wrap: nowrap;
    gap: 8px;
}

.eitc-check-button {
    min-width: auto;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 10px 7px 8px;
    border: 1px solid #c9d8e7;
    background: #ffffff;
    color: #4a6786;
    font-size: 13px;
    font-weight: 700;
}

.eitc-check-button:hover,
.eitc-check-button:focus {
    border-color: var(--eitc-main);
    background: #f7fbff;
    color: var(--eitc-main);
}

.eitc-check-button.is-active {
    border-color: var(--eitc-main);
    background: #f7fbff;
    color: var(--eitc-main);
}

.eitc-check-mark {
    position: relative;
    width: 14px;
    height: 14px;
    border: 1px solid #97b1cb;
    background: #ffffff;
    flex: 0 0 14px;
}

.eitc-check-button.is-active .eitc-check-mark {
    border-color: var(--eitc-main);
    background: var(--eitc-main);
}

.eitc-check-button.is-active .eitc-check-mark::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1px;
    width: 4px;
    height: 8px;
    border-right: 2px solid #ffffff;
    border-bottom: 2px solid #ffffff;
    transform: rotate(45deg);
}

.eitc-submit-button {
    width: 100%;
    margin-top: 18px;
    border: 0;
    background: #000000;
    color: #ffffff;
    padding: 16px 18px;
    font-size: 17px;
    font-weight: 800;
    border-radius: 0;
    cursor: pointer;
}

.eitc-submit-button:hover,
.eitc-submit-button:focus {
    opacity: 0.92;
}

.eitc-result-wrap {
    margin-top: 18px;
}

.eitc-result-box {
    width: 100%;
    margin-bottom: 12px;
    padding: 16px;
    border: 1px solid #d9e3ef;
    background: #ffffff;
}

.eitc-result-title {
    margin-bottom: 8px;
    color: var(--eitc-main);
    font-size: 15px;
    font-weight: 800;
}

.eitc-result-status {
    font-size: 17px;
    font-weight: 800;
    color: #111111;
}

.eitc-result-amount {
    margin-top: 6px;
    font-size: 16px;
    font-weight: 700;
}

.eitc-result-desc,
.eitc-info-line,
.eitc-mini-note {
    margin-top: 8px;
    font-size: 14px;
    color: #333333;
}

.eitc-mini-note {
    color: #555555;
}

.eitc-graph {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid #d9e3ef;
    margin-top: 12px;
}

.eitc-share-button {
    width: 100%;
    border: 1px solid #c26e35;
    background: linear-gradient(180deg, #f09a5f 0%, #e48342 48%, #cb6c2e 100%);
    color: #ffffff;
    padding: 16px 18px;
    font-size: 17px;
    font-weight: 800;
    border-radius: 0;
    cursor: pointer;
    margin: 0 0 10px;
}

.eitc-share-message {
    font-size: 14px;
    color: #333333;
    margin: 6px 0 14px;
}

.eitc-subtopic-wrap.is-hidden {
    display: none;
}

.eitc-topic-dropdown {
    margin-bottom: 4px;
}

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

.eitc-inquiry-title {
    margin-bottom: 10px;
    color: var(--eitc-main);
    font-size: 18px;
    font-weight: 800;
}

.eitc-inquiry-textarea {
    min-height: 170px;
    resize: vertical;
}

.eitc-inquiry-message {
    margin-top: 12px;
    font-size: 15px;
    font-weight: 700;
    color: var(--eitc-main);
}

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 25px;
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);
}

@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) {
    .eitc-card {
        padding: 16px;
    }

    .eitc-field-grid,
    .eitc-yesno-grid {
        grid-template-columns: 1fr;
    }

    .eitc-select-button,
    .eitc-topic-buttons button {
        flex: 1 1 calc(50% - 10px);
        min-width: calc(50% - 10px);
    }

    .eitc-yesno-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .eitc-yesno-item .eitc-yesno-buttons {
        width: 100%;
    }

    .eitc-check-button {
        flex: 0 0 auto;
        min-width: auto;
    }
}