.rpc-wrap,
.rpc-wrap * {
    box-sizing: border-box;
}

.rpc-wrap {
    width: 100%;
    margin: 15px 0;
    color: #222222;
    font-family: inherit;
}

.rpc-card,
.rpc-inquiry-card {
    width: 100%;
    margin: 15px 0;
    padding: 18px;
    border: 1px solid #d7e0e8;
    background: #ffffff;
}

.rpc-form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    margin: 0 0 15px;
}

.rpc-field,
.rpc-field-wide {
    display: block;
    width: 100%;
    min-width: 0;
    grid-column: 1 / -1;
}

.rpc-field-wide {
    grid-column: 1 / -1;
}

.rpc-field label {
    display: block;
    margin: 0 0 7px;
    font-size: 15px;
    font-weight: 700;
    color: #2f4f6f;
    letter-spacing: -0.02em;
}

.rpc-input,
.rpc-detail-input,
.rpc-inquiry-text {
    width: 100%;
    min-height: 48px;
    padding: 12px 13px;
    border: 1px solid #b9c8d6;
    background: #ffffff;
    color: #222222;
    font-size: 16px;
    outline: none;
    border-radius: 0;
    box-shadow: none;
}

.rpc-input:focus,
.rpc-detail-input:focus,
.rpc-inquiry-text:focus {
    border-color: #628bb4;
    box-shadow: 0 0 0 2px rgba(98, 139, 180, 0.14);
}

.rpc-help {
    margin: 6px 0 0;
    font-size: 13px;
    color: #607386;
    line-height: 1.45;
}

.rpc-select {
    position: relative;
    width: 100%;
}

.rpc-select-trigger {
    width: 100%;
    min-height: 48px;
    padding: 12px 13px;
    border: 1px solid #b9c8d6;
    background: #ffffff;
    color: #222222;
    font-size: 16px;
    text-align: left;
    cursor: pointer;
    border-radius: 0;
    box-shadow: none;
}

.rpc-select-trigger:focus {
    border-color: #628bb4;
    outline: none;
    box-shadow: 0 0 0 2px rgba(98, 139, 180, 0.14);
}

.rpc-select-panel {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    z-index: 30;
    display: none;
    width: 100%;
    border: 1px solid #b9c8d6;
    background: #ffffff;
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.08);
}

.rpc-select.is-open .rpc-select-panel {
    display: block;
}

.rpc-select-panel button {
    display: block;
    width: 100%;
    padding: 13px;
    border: 0;
    border-bottom: 1px solid #edf1f5;
    background: #ffffff;
    color: #222222;
    font-size: 15px;
    text-align: left;
    cursor: pointer;
    border-radius: 0;
}

.rpc-select-panel button:last-child {
    border-bottom: 0;
}

.rpc-select-panel button:hover,
.rpc-select-panel button:focus {
    background: #000000;
    color: #ffffff;
    outline: none;
}

.rpc-calc-button,
.rpc-inquiry-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 54px;
    margin: 15px 0;
    padding: 15px 18px;
    border: 0;
    background: #000000;
    color: #ffffff;
    font-size: 17px;
    font-weight: 800;
    letter-spacing: -0.02em;
    cursor: pointer;
    border-radius: 0;
}

.rpc-calc-button:hover,
.rpc-calc-button:focus,
.rpc-inquiry-button:hover,
.rpc-inquiry-button:focus {
    background: #111111;
    color: #ffffff;
    outline: none;
}

.rpc-result,
.rpc-info-result {
    margin: 15px 0;
}

.rpc-result-row,
.rpc-info-row,
.rpc-message-row {
    display: block;
    width: 100%;
    margin: 8px 0;
    padding: 13px 14px;
    border-left: 4px solid #628bb4;
    background: #f5f8fb;
    color: #1f2d3a;
    font-size: 15px;
    line-height: 1.65;
}

.rpc-result-row.rpc-strong {
    border-left-color: #000000;
    background: #f0f0f0;
    font-size: 18px;
    font-weight: 800;
}

.rpc-result-row.rpc-warning,
.rpc-message-row.rpc-warning {
    border-left-color: #d34a3a;
    background: #fff5f3;
    color: #6c2119;
}

.rpc-topic-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(102px, 1fr));
    gap: 10px;
    width: 100%;
    margin: 0 0 15px;
}

.rpc-topic-button {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;
    min-height: 94px;
    padding: 10px;
    border: 1px solid #628bb4;
    background: #ffffff;
    color: #628bb4;
    font-size: 15px;
    font-weight: 800;
    line-height: 1.35;
    text-align: center;
    word-break: keep-all;
    cursor: pointer;
    border-radius: 0;
}

.rpc-topic-button:hover,
.rpc-topic-button:focus,
.rpc-topic-button.is-active {
    background: #628bb4;
    color: #ffffff;
    outline: none;
}

.rpc-detail-select {
    position: relative;
    width: 100%;
    margin: 15px 0;
}

.rpc-detail-list {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    z-index: 25;
    display: none;
    width: 100%;
    max-height: 320px;
    overflow-y: auto;
    border: 1px solid #b9c8d6;
    background: #ffffff;
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.08);
}

.rpc-detail-select.is-open .rpc-detail-list {
    display: block;
}

.rpc-detail-item {
    display: block;
    width: 100%;
    padding: 13px 14px;
    border: 0;
    border-bottom: 1px solid #edf1f5;
    background: #ffffff;
    color: #222222;
    font-size: 15px;
    line-height: 1.45;
    text-align: left;
    cursor: pointer;
    border-radius: 0;
}

.rpc-detail-item:last-child {
    border-bottom: 0;
}

.rpc-detail-item:hover,
.rpc-detail-item:focus {
    background: #000000;
    color: #ffffff;
    outline: none;
}

.rpc-detail-empty {
    display: block;
    width: 100%;
    padding: 13px 14px;
    color: #607386;
    font-size: 15px;
}

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;
    border-radius: 0;
}

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%;
    }
}

.rpc-share-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 56px;
    padding: 16px 20px;
    margin: 0 0 15px;
    border: 1px solid #2f6f4e;
    background: linear-gradient(180deg, #55956f 0%, #3f7f5d 50%, #2f6f4e 100%);
    color: #ffffff;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.02em;
    cursor: pointer;
    border-radius: 0;
    box-shadow: 0 12px 24px rgba(47, 111, 78, 0.22), inset 0 1px 0 rgba(255,255,255,0.24);
}

.rpc-share-button:hover,
.rpc-share-button:focus {
    color: #ffffff;
    filter: saturate(1.05);
    outline: none;
}

.rpc-share-message,
.rpc-inquiry-message {
    margin: 8px 0 0;
    color: #2f6f4e;
    font-size: 14px;
    line-height: 1.45;
}

.rpc-inquiry-card {
    border-top: 4px solid #628bb4;
    background: #fbfdff;
}

.rpc-inquiry-title {
    margin: 0 0 12px;
    color: #2f4f6f;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.rpc-inquiry-text {
    min-height: 120px;
    resize: vertical;
    line-height: 1.55;
}

@media (max-width: 640px) {
    .rpc-card,
    .rpc-inquiry-card {
        padding: 15px;
    }


    .rpc-topic-buttons {
        grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
        gap: 8px;
    }

    .rpc-topic-button {
        min-height: 88px;
        font-size: 14px;
    }
}