:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #7f8c8d;
    --text-color: #2c3e50;
    --light-bg: #f5f8fa;
    --dark-bg: #2c3e50;
    --border-color: #e0e5e9;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    background-color: #f5f7fa;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

h1, h2, h3 {
    color: var(--primary-color);
    font-weight: 500;
}

h1 {
    font-size: 24px;
}

h2 {
    font-size: 20px;
    margin-bottom: 15px;
}

h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

/* 注意バナー */
.notice-banner {
    background-color: #e74c3c;
    color: white;
    text-align: center;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.notice-banner p {
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 1px;
}

/* メインタブ */
.main-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}

.main-tab {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    background-color: var(--light-bg);
    color: var(--text-color);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.main-tab.active {
    background-color: var(--primary-color);
    color: white;
}

.main-tab:hover {
    background-color: var(--secondary-color);
    color: white;
}

/* タブコンテンツ */
.tab-content {
    flex: 1;
    overflow: hidden;
}

.tab-pane {
    display: none;
    height: 100%;
}

.tab-pane.active {
    display: block;
}

/* POSコンテナ */
.pos-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

/* 商品セクション */
.product-section {
    background-color: white;
    border-radius: 6px;
    box-shadow: var(--shadow);
    padding: 20px;
    display: flex;
    flex-direction: column;
}

/* カテゴリタブ */
.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.category-tab {
    padding: 8px 15px;
    border: none;
    border-radius: 4px;
    background-color: var(--light-bg);
    color: var(--text-color);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.category-tab.active {
    background-color: var(--secondary-color);
    color: white;
}

.category-tab:hover {
    filter: brightness(0.95);
}

/* 商品グリッド */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
    overflow-y: auto;
    padding-right: 5px;
}

/* 商品ボタン */
.product-button {
    width: 100%;
    padding: 15px;
    margin: 5px 0;
    border: none;
    border-radius: 6px;
    background-color: #ffffff;
    color: #333333;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    position: relative;
    border-left: 5px solid;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.product-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 商品名と価格 */
.product-button span {
    font-weight: 600;
    letter-spacing: 0.5px;
    color: #333;
}

.product-button .product-price {
    font-size: 12px;
    margin-top: 5px;
    background-color: rgba(0, 0, 0, 0.05);
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 500;
}

.product-button .product-tax-info {
    font-size: 10px;
    color: #666;
    margin-top: 2px;
    font-weight: normal;
}

.product-button .product-stock {
    font-size: 11px;
    margin-top: 5px;
    padding: 2px 8px;
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    color: #444;
    font-weight: 500;
}

/* カートセクション */
.cart-section {
    background-color: white;
    border-radius: 6px;
    box-shadow: var(--shadow);
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.cart-controls {
    display: flex;
    gap: 8px;
}

.clear-button {
    padding: 6px 12px;
    background-color: var(--danger-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}

.clear-button:hover {
    filter: brightness(1.1);
}

/* カート内の商品 */
.cart-items {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 15px;
}

.cart-item {
    display: flex;
    flex-direction: column;
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 4px;
    background-color: var(--light-bg);
    gap: 8px;
}

.cart-item-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.cart-item-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 8px;
}

.quantity-btn {
    width: 24px;
    height: 24px;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}

.quantity-btn:hover {
    filter: brightness(1.1);
}

/* カート合計 */
.cart-summary {
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.summary-row.total-row {
    font-weight: bold;
    font-size: 16px;
    margin-top: 5px;
    padding-top: 10px;
    border-top: 1px dashed var(--border-color);
    margin-bottom: 15px;
}

.payment-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 20px;
}

.payment-button {
    padding: 14px 16px;
    background-color: #ffffff;
    color: var(--primary-color);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    font-weight: 600;
    position: relative;
    overflow: hidden;
    font-size: 15px;
    letter-spacing: 0.3px;
}

.payment-button:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 8px;
    height: 100%;
    background-color: var(--primary-color);
    opacity: 0.8;
}

.payment-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.12);
}

.payment-button:active {
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
}

/* 履歴コンテナ */
.history-container {
    background-color: white;
    border-radius: 6px;
    box-shadow: var(--shadow);
    padding: 20px;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.history-controls {
    display: flex;
    gap: 8px;
}

.export-button {
    padding: 6px 12px;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.export-button:hover {
    filter: brightness(1.1);
}

.excel-button {
    background-color: #1D6F42; /* Excelカラー */
}

.excel-button:hover {
    background-color: #0E5A32;
}

/* 履歴リスト */
#history-list {
    max-height: 300px;
    overflow-y: auto;
}

.history-item {
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 4px;
    background-color: var(--light-bg);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.history-item > div {
    display: flex;
    justify-content: space-between;
}

.timestamp {
    font-size: 12px;
    color: var(--accent-color);
}

.history-items {
    flex-direction: column !important;
    gap: 5px;
}

.history-item-detail {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    padding: 5px;
    background-color: rgba(0, 0, 0, 0.03);
    border-radius: 4px;
}

/* 管理者パネル */
#admin-content {
    background-color: #fff;
    padding: 20px;
    border-radius: 6px;
    box-shadow: var(--shadow);
}

.admin-panel {
    background-color: white;
    padding: 20px;
    border-radius: 6px;
}

.admin-section {
    margin-bottom: 35px;
    padding: 20px;
    background-color: var(--light-bg);
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.section-title {
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.admin-form {
    margin-bottom: 25px;
    padding: 20px;
    background-color: white;
    border-radius: 6px;
    box-shadow: var(--shadow);
}

.admin-form:last-child {
    margin-bottom: 0;
}

.admin-form h4 {
    font-size: 16px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.admin-form h5 {
    font-size: 14px;
    margin-bottom: 12px;
    color: var(--text-color);
}

.danger-zone {
    background-color: rgba(231, 76, 60, 0.05);
    border: 1px dashed rgba(231, 76, 60, 0.3);
}

.danger-zone .section-title {
    color: var(--danger-color);
    border-bottom-color: var(--danger-color);
}

.delete-button.dangerous {
    background-color: var(--danger-color);
}

.admin-form input,
.admin-form select {
    display: block;
    width: 100%;
    padding: 10px;
    margin-bottom: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--light-bg);
    color: var(--text-color);
}

.admin-form button {
    background-color: var(--secondary-color);
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.admin-form button:hover {
    filter: brightness(1.1);
}

/* カラー選択 */
.color-selection {
    margin-bottom: 20px;
}

.color-selection label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 500;
}

.preset-colors {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 12px 0;
}

.color-preset {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid white;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.color-preset.selected {
    transform: scale(1.15);
    border-color: #333;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
}

.color-preset:hover {
    transform: scale(1.15);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
}

.custom-color {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 10px 0;
}

input[type="color"] {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

/* 削除ボタン */
.delete-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.delete-button {
    background-color: var(--danger-color);
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
    font-size: 14px;
}

.delete-button:hover {
    background-color: #a33025;
}

/* フッター */
.footer {
    margin-top: 30px;
    padding: 15px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--accent-color);
    font-size: 14px;
}

.footer-link {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.licenses {
    margin-top: 8px;
    font-size: 12px;
    color: var(--accent-color);
}

.licenses a {
    color: var(--accent-color);
    text-decoration: none;
}

.licenses a:hover {
    text-decoration: underline;
    color: var(--primary-color);
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .pos-container {
        grid-template-columns: 1fr;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

/* 商品なしメッセージ */
.no-products {
    padding: 20px;
    text-align: center;
    color: var(--accent-color);
    background-color: var(--light-bg);
    border-radius: 4px;
    margin: 10px 0;
}

/* グラフコンテナ */
.graph-container {
    background-color: white;
    border-radius: 6px;
    box-shadow: var(--shadow);
    padding: 20px;
}

/* グラフタブ */
.graph-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.graph-tab {
    padding: 8px 15px;
    border: none;
    border-radius: 4px;
    background-color: var(--light-bg);
    color: var(--text-color);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.graph-tab.active {
    background-color: var(--primary-color);
    color: white;
}

.graph-tab:hover {
    background-color: var(--secondary-color);
    color: white;
}

/* ダウンロードボタン */
.download-button {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 8px 15px;
    border: none;
    border-radius: 4px;
    background-color: var(--accent-color);
    color: white;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.download-button:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
}

.download-button svg {
    margin-right: 5px;
}

.graph-content {
    width: 100%;
    height: 400px;
    position: relative;
}

/* チャートキャンバス */
#sales-chart {
    width: 100%;
    height: 100%;
}

/* 収入計算タブのスタイル */
.income-container {
    background-color: white;
    border-radius: 6px;
    box-shadow: var(--shadow);
    padding: 20px;
}

.income-period-selector {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.income-period-selector select {
    padding: 8px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--light-bg);
}

.income-period-selector .btn {
    padding: 8px 15px;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.income-summary {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.income-card {
    flex: 1;
    background-color: var(--light-bg);
    border-radius: 6px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.income-data {
    margin-top: 15px;
}

.income-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.income-row.total {
    font-weight: bold;
    font-size: 18px;
    border-bottom: 2px solid var(--secondary-color);
    margin: 10px 0;
    padding: 15px 0;
}

.payment-income-container {
    margin-top: 40px;
}

.payment-income-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.payment-income-item {
    background-color: #ffffff;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid #f0f0f0;
}

.payment-income-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 8px;
    height: 100%;
    background-color: var(--secondary-color);
    opacity: 0.8;
}

.payment-income-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.payment-income-item h4 {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
    font-weight: 700;
    color: var(--primary-color);
    font-size: 18px;
    letter-spacing: 0.4px;
}

.income-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    font-size: 15px;
}

.income-row:last-child {
    border-bottom: none;
}

.income-row span:first-child {
    color: var(--text-color);
    font-weight: 500;
}

.income-row span:last-child {
    color: var(--primary-color);
    font-weight: 600;
}

.income-row.total {
    font-weight: bold;
    font-size: 18px;
    border-bottom: 2px solid var(--secondary-color);
    margin: 15px 0;
    padding: 18px 0;
    color: var(--primary-color);
}

.payment-fee-settings {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

.payment-fee-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.payment-fee-item label {
    font-size: 14px;
    color: var(--text-color);
}

.payment-fee-item input {
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--light-bg);
}

.payment-fee-settings button {
    grid-column: 1 / -1;
    margin-top: 10px;
}

/* 決済方法管理 */
.payment-method-manager {
    margin-top: 15px;
}

.payment-method-list {
    margin-bottom: 20px;
}

.payment-method-list h4, .payment-method-form h4 {
    margin-bottom: 10px;
    font-size: 16px;
    color: var(--primary-color);
}

#payment-methods-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

.payment-method-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background-color: var(--light-bg);
    border-radius: 4px;
    border-left: 3px solid var(--primary-color);
    margin-bottom: 10px;
}

.payment-method-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.payment-method-name {
    font-weight: 500;
}

.payment-method-fee {
    color: var(--accent-color);
    font-size: 14px;
}

.payment-method-controls {
    display: flex;
    gap: 10px;
}

.payment-method-edit,
.payment-method-delete {
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    border-radius: 3px;
    transition: all 0.2s;
}

.payment-method-edit {
    color: var(--secondary-color);
}

.payment-method-delete {
    color: var(--danger-color);
}

.payment-method-edit:hover {
    background-color: rgba(52, 73, 94, 0.1);
}

.payment-method-delete:hover {
    background-color: rgba(231, 76, 60, 0.1);
}

.payment-method-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

.payment-method-form input {
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.payment-method-form button {
    margin-top: 5px;
    align-self: flex-start;
}

.by-author {
    font-size: 0.55em;
    font-weight: 400;
    opacity: 0.8;
    vertical-align: middle;
}

/* 商品一覧と編集 */
.product-list-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.product-list-controls select {
    flex-grow: 1;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.product-list-controls button {
    padding: 8px 15px;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.product-list {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: white;
}

.product-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
}

.product-item:last-child {
    border-bottom: none;
}

.product-item-info {
    flex-grow: 1;
}

.product-item-name {
    font-weight: 600;
    margin-bottom: 3px;
}

.product-item-details {
    display: flex;
    gap: 15px;
    font-size: 0.9em;
    color: var(--text-color-light);
}

.product-item-category {
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.8em;
    color: white;
}

.product-item-controls {
    display: flex;
    gap: 8px;
}

.product-item-controls button {
    padding: 5px 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
}

.edit-button {
    background-color: var(--secondary-color);
    color: white;
}

.delete-button {
    background-color: var(--danger-color);
    color: white;
}

/* 商品編集モーダル */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

/* 注意事項モーダル */
.notice-modal {
    z-index: 2000; /* 他のモーダルより前面に */
}

.notice-modal-content {
    max-width: 550px;
    animation: notice-appear 0.5s ease-out;
    transform-origin: center;
}

@keyframes notice-appear {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    70% {
        transform: scale(1.05);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes notice-fade-out {
    0% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(0.8);
    }
}

.notice-message {
    text-align: center;
    padding: 20px 10px;
}

.notice-title {
    font-size: 24px;
    font-weight: bold;
    color: var(--danger-color);
    margin-bottom: 15px;
}

.animated-text {
    animation: text-pulse 2s infinite;
}

@keyframes text-pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
        transform: scale(1.03);
        text-shadow: 0 0 8px rgba(231, 76, 60, 0.7);
    }
    100% {
        opacity: 1;
    }
}

.notice-description {
    font-size: 16px;
    color: var(--text-color);
    line-height: 1.6;
}

.notice-modal .modal-footer {
    justify-content: center;
}

.notice-modal .modal-save {
    padding: 12px 30px;
    font-size: 16px;
}

.modal-content {
    background-color: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h3 {
    margin: 0;
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    color: var(--text-color-light);
}

.modal-body {
    margin-bottom: 20px;
}

.modal-body input,
.modal-body select {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.modal-footer button {
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.modal-save {
    background-color: var(--primary-color);
    color: white;
}

.modal-cancel {
    background-color: var(--light-bg);
    color: var(--text-color);
}

/* カテゴリ管理 */
.category-management {
    margin-top: 20px;
}

.category-list {
    border: 1px solid #ddd;
    border-radius: 5px;
    max-height: 250px;
    overflow-y: auto;
}

.no-categories {
    padding: 10px;
    font-style: italic;
    color: #888;
}

.category-item {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-bottom: 1px solid #eee;
    transition: background-color 0.2s;
}

.category-item:hover {
    background-color: #f8f8f8;
}

.category-item:last-child {
    border-bottom: none;
}

.category-color-indicator {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    margin-right: 10px;
}

.category-name {
    flex-grow: 1;
}

.category-delete-btn {
    background-color: #ff6b6b;
    color: white;
    border: none;
    border-radius: 3px;
    padding: 3px 8px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.category-delete-btn:hover {
    background-color: #ff4040;
}