/**
 * Consumption Tax Calculator Styles (Japan)
 * 消費税計算機専用スタイル
 *
 * @package Zipper
 */

/* ===== 2カラムレイアウト（デスクトップ） ===== */
.spc-main-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 20px;
    align-items: start;
}

.spc-input-col {
    position: sticky;
    top: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.spc-result-col {
    min-width: 0;
}

/* ===== 計算オプションセクション ===== */
.spc-options-section {
    background: #fff;
    border: 1px solid #e8e4dc;
    border-radius: 10px;
    padding: 16px;
}

.spc-options-title {
    font-size: 13px;
    font-weight: 600;
    color: #2d2a26;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.spc-options-title i {
    color: #d4af37;
}

.spc-option-group {
    margin-bottom: 14px;
}

.spc-option-group:last-child {
    margin-bottom: 0;
}

.spc-option-label {
    font-size: 12px;
    font-weight: 600;
    color: #5f5a56;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 税率オプション */
.spc-rate-options {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
}

.spc-rate-btn {
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid #e8e4dc;
    border-radius: 6px;
    background: #faf9f7;
    color: #5f5a56;
    cursor: pointer;
    transition: all 0.2s;
}

.spc-rate-btn:hover {
    border-color: #d4af37;
    color: #d4af37;
}

.spc-rate-btn.active {
    border-color: #d4af37;
    background: rgba(212, 175, 55, 0.12);
    color: #d4af37;
    font-weight: 600;
}

.spc-rate-custom {
    display: flex;
    align-items: center;
    gap: 4px;
}

.spc-rate-custom input {
    width: 50px;
    padding: 6px 8px;
    font-size: 12px;
    border: 1px solid #e8e4dc;
    border-radius: 6px;
    text-align: center;
    background: #faf9f7;
}

.spc-rate-custom input:focus {
    outline: none;
    border-color: #d4af37;
    background: #fff;
}

.spc-rate-custom span {
    font-size: 12px;
    color: #5f5a56;
}

/* 端数処理オプション */
.spc-rounding-options {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.spc-rounding-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.spc-rounding-row.unit-row {
    grid-template-columns: repeat(3, 1fr);
}

.spc-rounding-row-label {
    font-size: 10px;
    color: #a09a94;
    margin-bottom: 2px;
    margin-top: 6px;
}

.spc-rounding-btn {
    padding: 8px 6px;
    font-size: 11px;
    font-weight: 500;
    border: 1px solid #e8e4dc;
    border-radius: 6px;
    background: #faf9f7;
    color: #5f5a56;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.spc-rounding-btn:hover {
    border-color: #3498db;
    color: #3498db;
}

.spc-rounding-btn.active {
    border-color: #3498db;
    background: rgba(52, 152, 219, 0.12);
    color: #3498db;
    font-weight: 600;
}

/* ===== 簡単金額ボタン ===== */
.spc-quick-amounts {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.spc-quick-btn {
    flex: 1;
    min-width: 54px;
    padding: 8px 6px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid #e8e4dc;
    border-radius: 6px;
    background: #faf9f7;
    color: #5f5a56;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.spc-quick-btn:hover {
    border-color: #27ae60;
    color: #27ae60;
    background: rgba(39, 174, 96, 0.06);
}

/* ===== 入力セクション ===== */
.spc-input-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
    background: #fff;
    border: 1px solid #e8e4dc;
    border-radius: 10px;
}

.spc-input-title {
    font-size: 14px;
    font-weight: 600;
    color: #2d2a26;
    display: flex;
    align-items: center;
    gap: 6px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e8e4dc;
}

.spc-input-title i {
    color: #d4af37;
}

/* 単一項目入力 */
.spc-single-input {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.spc-input-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.spc-input-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.spc-input-label label {
    font-size: 12px;
    font-weight: 600;
    color: #5f5a56;
    display: flex;
    align-items: center;
    gap: 4px;
}

.spc-input-label label i {
    font-size: 13px;
}

.spc-input-wrapper {
    position: relative;
}

.spc-input-group input[type="text"] {
    width: 100%;
    padding: 12px 32px 12px 14px;
    font-size: 18px;
    font-weight: 600;
    border: 1px solid #e8e4dc;
    border-radius: 8px;
    background: #fff;
    color: #2d2a26;
    transition: all 0.2s;
    text-align: right;
}

.spc-input-group input[type="text"]:focus {
    outline: none;
    border-color: #d4af37;
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.12);
}

.spc-input-group input[type="text"]::placeholder {
    color: #a09a94;
    font-weight: 400;
}

.spc-input-suffix {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    font-weight: 500;
    color: #5f5a56;
    pointer-events: none;
}

/* 税抜価格強調 */
.spc-input-group.supply input {
    border-color: rgba(212, 175, 55, 0.5);
    background: rgba(212, 175, 55, 0.04);
}

.spc-input-group.supply label {
    color: #d4af37;
}

/* 消費税スタイル */
.spc-input-group.vat input {
    border-color: rgba(52, 152, 219, 0.5);
    background: rgba(52, 152, 219, 0.04);
}

.spc-input-group.vat label {
    color: #3498db;
}

/* 税込価格スタイル */
.spc-input-group.total input {
    border-color: rgba(39, 174, 96, 0.5);
    background: rgba(39, 174, 96, 0.04);
}

.spc-input-group.total label {
    color: #27ae60;
}

/* ===== 大きな結果表示セクション ===== */
.spc-result-section {
    background: linear-gradient(135deg, #faf9f7 0%, #fff 100%);
    border: 2px solid #e8e4dc;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
}

.spc-result-title {
    font-size: 14px;
    font-weight: 600;
    color: #2d2a26;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e8e4dc;
}

.spc-result-title i {
    color: #d4af37;
}

.spc-result-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.spc-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: #fff;
    border-radius: 10px;
    border: 1px solid #e8e4dc;
}

.spc-result-item.supply {
    border-color: rgba(212, 175, 55, 0.4);
}

.spc-result-item.vat {
    border-color: rgba(52, 152, 219, 0.4);
}

.spc-result-item.total {
    border-color: rgba(39, 174, 96, 0.4);
    background: rgba(39, 174, 96, 0.04);
}

.spc-result-label {
    display: flex;
    align-items: center;
    gap: 8px;
}

.spc-result-label i {
    font-size: 20px;
}

.spc-result-item.supply .spc-result-label i {
    color: #d4af37;
}

.spc-result-item.vat .spc-result-label i {
    color: #3498db;
}

.spc-result-item.total .spc-result-label i {
    color: #27ae60;
}

.spc-result-label-text {
    display: flex;
    flex-direction: column;
}

.spc-result-label-main {
    font-size: 15px;
    font-weight: 600;
    color: #2d2a26;
}

.spc-result-label-sub {
    font-size: 11px;
    color: #a09a94;
}

.spc-result-value-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.spc-result-value {
    font-size: 28px;
    font-weight: 700;
    color: #2d2a26;
    letter-spacing: -0.5px;
}

.spc-result-item.total .spc-result-value {
    font-size: 32px;
    color: #27ae60;
}

.spc-result-unit {
    font-size: 16px;
    font-weight: 500;
    color: #5f5a56;
}

.spc-result-copy-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid #e8e4dc;
    border-radius: 8px;
    background: #faf9f7;
    color: #5f5a56;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.spc-result-copy-btn:hover {
    border-color: #d4af37;
    color: #d4af37;
    background: #fff;
}

.spc-result-copy-btn.copied {
    border-color: #27ae60;
    color: #27ae60;
    background: rgba(39, 174, 96, 0.08);
}

/* ===== ボタンエリア ===== */
.spc-button-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.spc-reset-btn,
.spc-share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid #e8e4dc;
    border-radius: 6px;
    background: #faf9f7;
    color: #5f5a56;
    cursor: pointer;
    transition: all 0.2s;
}

.spc-reset-btn:hover {
    border-color: #e74c3c;
    color: #e74c3c;
    background: rgba(231, 76, 60, 0.06);
}

.spc-share-btn:hover {
    border-color: #9b59b6;
    color: #9b59b6;
    background: rgba(155, 89, 182, 0.06);
}

.spc-share-btn.copied {
    border-color: #27ae60;
    color: #27ae60;
    background: rgba(39, 174, 96, 0.08);
}

/* ===== 計算式案内 ===== */
.spc-formula-section {
    background: #fff;
    border: 1px solid #e8e4dc;
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 14px;
}

.spc-formula-title {
    font-size: 13px;
    font-weight: 600;
    color: #2d2a26;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.spc-formula-title i {
    color: #d4af37;
}

.spc-formula-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.spc-formula-card {
    background: #faf9f7;
    border: 1px solid #e8e4dc;
    border-radius: 8px;
    padding: 12px;
    text-align: center;
}

.spc-formula-card.supply {
    border-color: rgba(212, 175, 55, 0.3);
    background: rgba(212, 175, 55, 0.04);
}

.spc-formula-card.vat {
    border-color: rgba(52, 152, 219, 0.3);
    background: rgba(52, 152, 219, 0.04);
}

.spc-formula-card.total {
    border-color: rgba(39, 174, 96, 0.3);
    background: rgba(39, 174, 96, 0.04);
}

.spc-formula-label {
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 6px;
}

.spc-formula-card.supply .spc-formula-label {
    color: #d4af37;
}

.spc-formula-card.vat .spc-formula-label {
    color: #3498db;
}

.spc-formula-card.total .spc-formula-label {
    color: #27ae60;
}

.spc-formula-text {
    font-size: 12px;
    color: #5f5a56;
    line-height: 1.5;
}

.spc-formula-text code {
    display: inline-block;
    padding: 2px 6px;
    background: #fff;
    border: 1px solid #e8e4dc;
    border-radius: 4px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 11px;
    color: #2d2a26;
    margin: 2px 0;
}

.spc-formula-text .spc-rate-display {
    font-weight: 600;
    color: #d4af37;
}

/* 履歴セクション */
.spc-history-section {
    background: #fff;
    border: 1px solid #e8e4dc;
    border-radius: 10px;
    padding: 16px;
}

.spc-history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.spc-history-title {
    font-size: 13px;
    font-weight: 600;
    color: #2d2a26;
    display: flex;
    align-items: center;
    gap: 6px;
}

.spc-history-title i {
    color: #d4af37;
}

.spc-history-clear {
    font-size: 11px;
    color: #a09a94;
    cursor: pointer;
    transition: color 0.2s;
    border: none;
    background: none;
    padding: 4px 8px;
}

.spc-history-clear:hover {
    color: #e74c3c;
}

.spc-history-empty {
    text-align: center;
    padding: 24px;
    color: #a09a94;
    font-size: 13px;
}

.spc-history-empty i {
    display: block;
    font-size: 32px;
    margin-bottom: 8px;
    opacity: 0.5;
}

.spc-history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.spc-history-item {
    display: grid;
    grid-template-columns: repeat(3, 1fr) auto;
    gap: 8px;
    padding: 10px 12px;
    background: #faf9f7;
    border: 1px solid #e8e4dc;
    border-radius: 8px;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s;
}

.spc-history-item:hover {
    border-color: #d4af37;
    background: #fff;
}

.spc-history-value {
    text-align: center;
}

.spc-history-value .label {
    font-size: 10px;
    color: #a09a94;
    margin-bottom: 2px;
}

.spc-history-value .value {
    font-size: 13px;
    font-weight: 600;
    color: #2d2a26;
}

.spc-history-value.supply .label {
    color: #d4af37;
}

.spc-history-value.vat .label {
    color: #3498db;
}

.spc-history-value.total .label {
    color: #27ae60;
}

.spc-history-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}

.spc-history-rate {
    font-size: 9px;
    color: #d4af37;
    background: rgba(212, 175, 55, 0.1);
    padding: 2px 5px;
    border-radius: 3px;
}

.spc-history-time {
    font-size: 10px;
    color: #a09a94;
}

/* 免責事項 */
.spc-disclaimer {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px;
    background: rgba(108, 117, 125, 0.08);
    border-radius: 8px;
    margin-top: 14px;
}

.spc-disclaimer i {
    color: #6c757d;
    font-size: 16px;
    flex-shrink: 0;
    margin-top: 1px;
}

.spc-disclaimer-text {
    font-size: 12px;
    color: #5f5a56;
    line-height: 1.5;
}

.spc-disclaimer-text strong {
    color: #2d2a26;
}

/* 非表示 */
.spc-hidden {
    display: none !important;
}

/* ===== レスポンシブ - タブレット ===== */
@media (max-width: 900px) {
    .spc-main-layout {
        grid-template-columns: 320px 1fr;
        gap: 16px;
    }

    .spc-rounding-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .spc-rounding-row.unit-row {
        grid-template-columns: repeat(3, 1fr);
    }

    .spc-formula-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .spc-result-value {
        font-size: 24px;
    }

    .spc-result-item.total .spc-result-value {
        font-size: 28px;
    }

    .spc-history-item {
        grid-template-columns: repeat(3, 1fr);
    }

    .spc-history-meta {
        grid-column: 1 / -1;
        flex-direction: row;
        justify-content: space-between;
        padding-top: 6px;
        border-top: 1px dashed #e8e4dc;
        margin-top: 4px;
    }
}

/* ===== レスポンシブ - モバイル ===== */
@media (max-width: 768px) {
    .spc-main-layout {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .spc-input-col {
        position: static;
    }

    .spc-rounding-row {
        grid-template-columns: repeat(4, 1fr);
    }

    .spc-rounding-row.unit-row {
        grid-template-columns: repeat(3, 1fr);
    }

    .spc-input-group input[type="text"] {
        font-size: 18px;
        padding: 14px 32px 14px 14px;
    }

    .spc-result-item {
        padding: 14px 16px;
    }

    .spc-result-value {
        font-size: 22px;
    }

    .spc-result-item.total .spc-result-value {
        font-size: 26px;
    }

    .spc-result-label-main {
        font-size: 14px;
    }

    .spc-formula-grid {
        grid-template-columns: 1fr;
    }

    .spc-history-item {
        grid-template-columns: 1fr 1fr 1fr;
        padding: 8px 10px;
    }

    .spc-history-value .value {
        font-size: 12px;
    }
}

/* ===== レスポンシブ - 小さなモバイル ===== */
@media (max-width: 480px) {
    .spc-quick-amounts {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
    }

    .spc-quick-btn {
        min-width: auto;
    }

    .spc-rounding-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .spc-rounding-row.unit-row {
        grid-template-columns: repeat(3, 1fr);
    }

    .spc-button-row {
        grid-template-columns: 1fr;
    }

    .spc-result-item {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        text-align: center;
    }

    .spc-result-label {
        justify-content: center;
    }

    .spc-result-value-wrap {
        justify-content: center;
    }

    .spc-result-value {
        font-size: 28px;
    }

    .spc-result-item.total .spc-result-value {
        font-size: 32px;
    }

    .spc-history-item {
        grid-template-columns: 1fr;
        gap: 6px;
        text-align: center;
    }

    .spc-history-value {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 4px 0;
        border-bottom: 1px dashed #e8e4dc;
    }

    .spc-history-value:last-of-type {
        border-bottom: none;
    }

    .spc-history-value .label {
        margin-bottom: 0;
    }

    .spc-history-meta {
        flex-direction: row;
        justify-content: space-between;
        padding-top: 6px;
    }
}