/* ===================================
   天氣預報工具樣式 (Weather Forecast Tool)
   =================================== */

/* 目前時間條 */
.current-time-bar {
    display: flex;
    justify-content: center;
    gap: 3rem;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    margin-bottom: 1.5rem;
    color: white;
}

.time-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.time-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    opacity: 0.9;
}

.time-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Consolas', 'Monaco', monospace;
}

/* 工具容器 */
.weather-tool {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 1.5rem;
    min-height: 600px;
}

/* 左側地區選擇面板 */
.zone-selector-panel {
    background: var(--card-bg, white);
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    overflow-y: auto;
    max-height: calc(100vh - 200px);
}

.panel-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color, #dee2e6);
}

/* 區域群組 */
.region-group {
    margin-bottom: 1rem;
}

.region-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    cursor: pointer;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-secondary, #6c757d);
    transition: background-color 0.2s ease;
}

.region-header:hover {
    background-color: var(--gray-100, #f8f9fa);
}

.region-header .expand-icon {
    transition: transform 0.2s ease;
}

.region-group.collapsed .expand-icon {
    transform: rotate(-90deg);
}

.region-group.collapsed .zone-buttons {
    display: none;
}

/* 地區按鈕 */
.zone-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding-left: 1rem;
}

.zone-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    text-align: left;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-color, #212529);
}

.zone-btn:hover {
    background-color: var(--gray-100, #f8f9fa);
    border-color: var(--border-color, #dee2e6);
}

.zone-btn.active {
    background-color: var(--primary-color, #4a90e2);
    color: white;
    border-color: var(--primary-color, #4a90e2);
}

/* 右側主要內容面板 */
.main-content-panel {
    background: var(--card-bg, white);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* 無選擇提示 */
.no-zone-selected {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    color: var(--text-secondary, #6c757d);
}

.hint-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.6;
}

.no-zone-selected p {
    font-size: 1.1rem;
}

/* 選擇地區後的頭部 */
.selected-zone-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color, #dee2e6);
}

.selected-zone-header h2 {
    margin: 0;
    font-size: 1.5rem;
}

/* 過濾器面板 */
.filter-panel {
    background: var(--gray-50, #f8f9fa);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.filter-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.filter-group {
    margin-bottom: 1rem;
}

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

.filter-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary, #6c757d);
    margin-bottom: 0.5rem;
}

/* 天氣標籤 */
.weather-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.weather-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.85rem;
    background: white;
    border: 2px solid var(--border-color, #dee2e6);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-color, #212529);
}

.weather-tag:hover {
    border-color: var(--primary-color, #4a90e2);
    background-color: var(--primary-light, #e8f0ff);
}

.weather-tag.active {
    background-color: var(--primary-color, #4a90e2);
    border-color: var(--primary-color, #4a90e2);
    color: white;
}

.weather-tag .weather-icon {
    font-size: 1rem;
}

/* 時間範圍選擇器 */
.time-range-selector {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.time-grid {
    display: grid;
    grid-template-columns: repeat(24, 1fr);
    gap: 2px;
    background: var(--border-color, #dee2e6);
    border-radius: 6px;
    overflow: hidden;
}

.time-cell {
    padding: 0.5rem 0;
    text-align: center;
    font-size: 0.7rem;
    background: white;
    cursor: pointer;
    transition: background-color 0.15s ease;
    user-select: none;
}

.time-cell:hover {
    background-color: var(--gray-100, #f8f9fa);
}

.time-cell.selected {
    background-color: var(--primary-color, #4a90e2);
    color: white;
}

.time-cell.in-range {
    background-color: var(--primary-light, #cce0ff);
}

.time-range-display {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary, #6c757d);
}

/* 結果面板 */
.results-panel h3 {
    margin: 0 0 1rem 0;
    font-size: 1.1rem;
}

.results-table-container {
    overflow-x: auto;
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.results-table th,
.results-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color, #dee2e6);
}

.results-table th {
    background: var(--gray-50, #f8f9fa);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-secondary, #6c757d);
    white-space: nowrap;
}

.results-table tbody tr:hover {
    background-color: var(--gray-50, #f8f9fa);
}

.results-table tbody tr.current-weather {
    background-color: var(--primary-light, #e8f0ff);
}

.results-table tbody tr.current-weather td:first-child::before {
    content: '▶ ';
    color: var(--primary-color, #4a90e2);
}

/* 天氣單元格 */
.weather-cell {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.weather-cell .weather-icon {
    font-size: 1.1rem;
}

/* 無結果 */
.no-results {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary, #6c757d);
}

/* 顯示更多按鈕 */
#showMoreBtn {
    margin-top: 1rem;
}

/* Toast 樣式覆寫 */
.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    border-radius: 8px;
    background: #333;
    color: white;
    font-size: 0.9rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 9999;
}

.toast.show {
    opacity: 1;
    visibility: visible;
}

/* Dark Mode 支援 */
[data-theme="dark"] .zone-selector-panel,
[data-theme="dark"] .main-content-panel {
    background: var(--card-bg);
}

[data-theme="dark"] .region-header:hover {
    background-color: var(--dark-gray-700, #374151);
}

[data-theme="dark"] .zone-btn:hover {
    background-color: var(--dark-gray-700, #374151);
    border-color: var(--dark-border-color, #4b5563);
}

[data-theme="dark"] .filter-panel {
    background: var(--dark-gray-800, #1f2937);
}

[data-theme="dark"] .weather-tag {
    background: var(--dark-gray-800, #1f2937);
    border-color: var(--dark-border-color, #4b5563);
    color: var(--dark-text-color, #e5e7eb);
}

[data-theme="dark"] .weather-tag:hover {
    background-color: var(--dark-gray-700, #374151);
}

[data-theme="dark"] .weather-tag.active {
    background-color: var(--primary-color, #4a90e2);
    border-color: var(--primary-color, #4a90e2);
    color: white;
}

[data-theme="dark"] .time-cell {
    background: var(--dark-gray-800, #1f2937);
    color: var(--dark-text-color, #e5e7eb);
}

[data-theme="dark"] .time-cell:hover {
    background-color: var(--dark-gray-700, #374151);
}

[data-theme="dark"] .time-cell.in-range {
    background-color: rgba(74, 144, 226, 0.3);
}

[data-theme="dark"] .time-grid {
    background: var(--dark-border-color, #4b5563);
}

[data-theme="dark"] .results-table th {
    background: var(--dark-gray-800, #1f2937);
}

[data-theme="dark"] .results-table tbody tr:hover {
    background-color: var(--dark-gray-800, #1f2937);
}

[data-theme="dark"] .results-table tbody tr.current-weather {
    background-color: rgba(74, 144, 226, 0.2);
}

/* 響應式設計 */
@media (max-width: 992px) {
    .weather-tool {
        grid-template-columns: 1fr;
    }

    .zone-selector-panel {
        max-height: none;
    }

    .zone-buttons {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .zone-btn {
        flex: 0 0 auto;
    }
}

@media (max-width: 768px) {
    .current-time-bar {
        gap: 2rem;
        padding: 0.75rem;
    }

    .time-value {
        font-size: 1.25rem;
    }

    .main-content-panel {
        padding: 1rem;
    }

    .selected-zone-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .time-grid {
        grid-template-columns: repeat(12, 1fr);
    }

    .time-cell {
        padding: 0.375rem 0;
        font-size: 0.65rem;
    }

    .results-table {
        font-size: 0.8rem;
    }

    .results-table th,
    .results-table td {
        padding: 0.5rem;
    }
}

@media (max-width: 480px) {
    .current-time-bar {
        flex-direction: column;
        gap: 0.5rem;
    }

    .time-display {
        flex-direction: row;
        gap: 0.5rem;
    }

    .weather-tags {
        gap: 0.375rem;
    }

    .weather-tag {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }

    .time-grid {
        grid-template-columns: repeat(8, 1fr);
    }

    /* 隱藏前置天氣列以節省空間 */
    .results-table th:nth-child(4),
    .results-table td:nth-child(4) {
        display: none;
    }
}