/* 響應式設計增強 - 11個主題通用 */
/* 通用移動端變數 */
:root {
    --mobile-breakpoint: 768px;
    --tablet-breakpoint: 1024px;
    --touch-target: 44px;
    --mobile-spacing: 16px;
    --mobile-spacing-small: 8px;
}

@media screen and (max-width: 768px) {
    /* 📱 移動端基礎設定 */
    * {
        box-sizing: border-box;
    }
    
    html {
        font-size: 16px; /* 確保基礎字體大小 */
        line-height: 1.5;
    }
    
    body {
        margin: 0;
        padding: 0;
        overflow-x: hidden;
    }
    
    /* 📊 Dashboard 統計卡片移動端優化 */
    .dashboard-container,
    .stats-grid,
    .dashboard-grid {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: var(--mobile-spacing) !important;
        padding: var(--mobile-spacing) !important;
        margin: 0 !important;
    }
    
    .dashboard-card,
    .stat-card,
    .stats-card {
        padding: var(--mobile-spacing) !important;
        margin-bottom: var(--mobile-spacing) !important;
        border-radius: 12px !important;
        box-shadow: var(--mobile-shadow) !important;
        min-height: auto !important;
    }
    
    .dashboard-card h3,
    .stat-card h3,
    .stats-card h3 {
        font-size: 18px !important;
        margin-bottom: 12px !important;
    }
    
    .dashboard-card .stat-number,
    .stat-card .stat-number {
        font-size: 24px !important;
        line-height: 1.2 !important;
    }
    
    /* 📄 調整表格在手機上的顯示 */
    .document-table,
    .data-table,
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        width: 100%;
        font-size: 14px;
    }
    
    .document-table thead,
    .data-table thead,
    table thead {
        display: none; /* 在移動端隱藏表頭 */
    }
    
    .document-table tbody,
    .data-table tbody,
    table tbody {
        display: block;
    }
    
    .document-table tr,
    .data-table tr,
    table tr {
        display: block;
        margin-bottom: var(--mobile-spacing);
        padding: var(--mobile-spacing);
        border: 1px solid var(--border-color);
        border-radius: 8px;
        background: var(--card-bg);
    }
    
    .document-table td,
    .data-table td,
    table td {
        display: block;
        padding: 4px 0;
        border: none;
        text-align: left !important;
    }
    
    .document-table td:before,
    .data-table td:before,
    table td:before {
        content: attr(data-label) ": ";
        font-weight: bold;
        color: var(--text-secondary);
    }
    
    /* 🧭 導航條移動端優化 */
    .navbar {
        flex-direction: row !important;
        padding: 12px var(--mobile-spacing) !important;
        min-height: 60px !important;
        position: sticky !important;
        top: 0 !important;
        z-index: 1000 !important;
        backdrop-filter: blur(10px) !important;
    }
    
    .navbar-brand {
        flex: 1 !important;
        justify-content: flex-start !important;
        padding: 0 !important;
        font-size: 18px !important;
    }
    
    .navbar-nav {
        display: none !important; /* 隱藏導航菜單，改用漢堡選單 */
    }
    
    .navbar-actions {
        display: flex !important;
        align-items: center !important;
        gap: var(--mobile-spacing-small) !important;
    }
    
    /* 🍔 漢堡選單 */
    .mobile-menu-toggle {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        width: var(--touch-target) !important;
        height: var(--touch-target) !important;
        background: rgba(255, 255, 255, 0.1) !important;
        border: none !important;
        border-radius: 8px !important;
        color: var(--text-primary) !important;
        cursor: pointer !important;
        transition: all 0.2s ease !important;
    }
    
    .mobile-menu-toggle:hover {
        background: rgba(255, 255, 255, 0.2) !important;
        transform: scale(1.05) !important;
    }
    
    .mobile-menu-toggle:active {
        transform: scale(0.95) !important;
    }
    
    /* 📱 移動端導航面板 */
    .mobile-nav-panel {
        position: fixed !important;
        top: 60px !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        background: rgba(0, 0, 0, 0.95) !important;
        backdrop-filter: blur(20px) !important;
        transform: translateX(-100%) !important;
        transition: transform 0.3s ease !important;
        z-index: 999 !important;
        overflow-y: auto !important;
        padding: var(--mobile-spacing) !important;
    }
    
    .mobile-nav-panel.show {
        transform: translateX(0) !important;
    }
    
    .mobile-nav-item {
        display: block !important;
        padding: var(--mobile-spacing) !important;
        margin-bottom: var(--mobile-spacing-small) !important;
        color: var(--text-primary) !important;
        text-decoration: none !important;
        border-radius: 8px !important;
        transition: all 0.2s ease !important;
        font-size: 16px !important;
        min-height: var(--touch-target) !important;
        display: flex !important;
        align-items: center !important;
    }
    
    .mobile-nav-item:hover {
        background: rgba(255, 255, 255, 0.1) !important;
        color: var(--primary-color) !important;
    }
    
    .mobile-nav-item i {
        margin-right: 12px !important;
        width: 20px !important;
        text-align: center !important;
    }
    
    /* 🗂️ 文件詳情頁響應式布局 */
    .container,
    .main-container {
        display: block !important;
        grid-template-columns: none !important;
        grid-template-rows: none !important;
        grid-template-areas: none !important;
        padding: var(--mobile-spacing) !important;
    }
    
    .sidebar {
        position: fixed !important;
        left: -100% !important;
        top: 60px !important;
        width: 85% !important;
        max-width: 320px !important;
        height: calc(100vh - 60px) !important;
        z-index: 1500 !important;
        transition: left 0.3s ease !important;
        background: var(--bg-primary) !important;
        border-right: 1px solid var(--border-color) !important;
        overflow-y: auto !important;
        padding: var(--mobile-spacing) !important;
    }
    
    .sidebar.active {
        left: 0 !important;
    }
    
    .main-content {
        padding: var(--mobile-spacing) !important;
        margin: 0 !important;
        min-height: calc(100vh - 60px) !important;
    }
    
    /* 🔘 按鈕排列優化 */
    .action-buttons,
    .btn-group,
    .button-group {
        display: flex !important;
        flex-direction: column !important;
        gap: var(--mobile-spacing-small) !important;
        width: 100% !important;
    }
    
    .action-buttons .btn,
    .btn-group .btn,
    .button-group .btn,
    .btn {
        width: 100% !important;
        min-height: var(--touch-target) !important;
        margin: 0 !important;
        padding: 12px var(--mobile-spacing) !important;
        font-size: 16px !important;
        border-radius: 8px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 8px !important;
    }
    
    .btn-sm,
    .btn-small {
        min-height: 36px !important;
        padding: 8px 12px !important;
        font-size: 14px !important;
    }
    
    /* 📝 表單欄位處理 */
    .form-grid,
    .form-row,
    .row {
        display: flex !important;
        flex-direction: column !important;
        gap: var(--mobile-spacing) !important;
        grid-template-columns: none !important;
    }
    
    .form-group,
    .input-group,
    .field-group {
        width: 100% !important;
        margin-bottom: var(--mobile-spacing) !important;
    }
    
    .form-control,
    input,
    select,
    textarea {
        width: 100% !important;
        min-height: var(--touch-target) !important;
        padding: 12px var(--mobile-spacing) !important;
        font-size: 16px !important; /* 防止 iOS 縮放 */
        border-radius: 8px !important;
        border: 1px solid var(--border-color) !important;
        background: var(--card-bg) !important;
        color: var(--text-primary) !important;
    }
    
    label {
        font-size: 14px !important;
        font-weight: 600 !important;
        margin-bottom: 6px !important;
        color: var(--text-secondary) !important;
    }
    
    /* 🪟 模態視窗優化 */
    .modal,
    .modal-overlay {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        z-index: 9999 !important;
        background: rgba(0, 0, 0, 0.8) !important;
        backdrop-filter: blur(4px) !important;
    }
    
    .modal-content,
    .modal-dialog {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100% !important;
        height: 100% !important;
        max-width: none !important;
        max-height: none !important;
        margin: 0 !important;
        border-radius: 0 !important;
        background: var(--bg-primary) !important;
        display: flex !important;
        flex-direction: column !important;
        overflow: hidden !important;
    }
    
    .modal-header {
        padding: var(--mobile-spacing) !important;
        border-bottom: 1px solid var(--border-color) !important;
        flex-shrink: 0 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        min-height: 60px !important;
    }
    
    .modal-body {
        flex: 1 !important;
        padding: var(--mobile-spacing) !important;
        overflow-y: auto !important;
    }
    
    .modal-footer {
        padding: var(--mobile-spacing) !important;
        border-top: 1px solid var(--border-color) !important;
        flex-shrink: 0 !important;
    }
    
    .close,
    .modal-close,
    .btn-close {
        width: var(--touch-target) !important;
        height: var(--touch-target) !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        background: rgba(255, 255, 255, 0.1) !important;
        border: none !important;
        border-radius: 50% !important;
        color: var(--text-primary) !important;
        font-size: 20px !important;
        cursor: pointer !important;
    }
}

/* 📱 極小螢幕特殊優化 (320px-480px) */
@media screen and (max-width: 480px) {
    :root {
        --mobile-spacing: 12px;
        --mobile-spacing-small: 6px;
    }
    
    .navbar {
        padding: 8px var(--mobile-spacing) !important;
        min-height: 56px !important;
    }
    
    .navbar-brand {
        font-size: 16px !important;
    }
    
    .dashboard-container,
    .stats-grid,
    .dashboard-grid {
        padding: var(--mobile-spacing) !important;
        gap: var(--mobile-spacing) !important;
    }
    
    .dashboard-card,
    .stat-card,
    .stats-card {
        padding: 12px !important;
    }
    
    .btn {
        font-size: 14px !important;
        padding: 10px 12px !important;
    }
    
    .form-control,
    input,
    select,
    textarea {
        padding: 10px 12px !important;
        font-size: 16px !important; /* 保持16px防止縮放 */
    }
}

/* 💻 平板設備優化 (769px-1024px) */
@media screen and (min-width: 769px) and (max-width: 1024px) {
    .form-grid,
    .form-row {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: var(--mobile-spacing) !important;
    }
    
    .dashboard-container,
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 20px !important;
        padding: 20px !important;
    }
    
    .dashboard-card,
    .stat-card {
        padding: 20px !important;
    }
    
    .navbar {
        padding: 15px 20px !important;
    }
    
    .modal-content {
        position: relative !important;
        width: 90% !important;
        height: auto !important;
        max-height: 90vh !important;
        margin: 5vh auto !important;
        border-radius: 12px !important;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        bottom: auto !important;
    }
    
    .sidebar {
        width: 300px !important;
        position: relative !important;
        left: 0 !important;
        top: auto !important;
        height: auto !important;
    }
    
    .action-buttons,
    .btn-group {
        flex-direction: row !important;
        gap: 12px !important;
    }
    
    .btn {
        width: auto !important;
        min-width: 120px !important;
    }
}

/* 🖥️ 大螢幕響應式優化 (1025px+) */
@media screen and (min-width: 1025px) {
    /* 確保大螢幕上的主題選擇器正常顯示 */
    .theme-grid-panel {
        position: absolute !important;
        top: calc(100% + 8px) !important;
        right: 0 !important;
        width: auto !important;
        height: auto !important;
        max-width: 400px !important;
        border-radius: 12px !important;
        transform: translateY(-10px) !important;
    }
    
    .theme-grid-panel.show {
        transform: translateY(0) !important;
    }
    
    .theme-grid {
        grid-template-columns: repeat(4, 1fr) !important;
    }
    
    .mobile-menu-toggle {
        display: none !important;
    }
    
    .navbar-nav {
        display: flex !important;
    }
}

/* 🎯 觸控友善通用規則 */
@media (hover: none) and (pointer: coarse) {
    /* 觸控設備專用規則 */
    * {
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        user-select: none;
    }
    
    input,
    textarea,
    [contenteditable] {
        -webkit-user-select: text;
        user-select: text;
    }
    
    .btn:hover,
    .theme-card:hover,
    .mobile-nav-item:hover {
        transform: none !important; /* 觸控設備不需要hover效果 */
    }
    
    .btn:active,
    .theme-card:active,
    .mobile-nav-item:active {
        transform: scale(0.95) !important;
        transition: transform 0.1s ease !important;
    }
}

/* 🌟 特殊視覺效果調整 */
@media screen and (max-width: 768px) {
    /* 減少動畫，提升性能 */
    * {
        animation-duration: 0.2s !important;
        transition-duration: 0.2s !important;
    }
    
    /* 陰影效果簡化 */
    .dashboard-card,
    .modal-content,
    .theme-grid-panel {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
    }
    
    /* 移除不必要的漸層效果 */
    .navbar {
        background: var(--bg-primary) !important;
    }
}