/* ========== UI 版本系統 v2 ========== */
/* 4 種 UI 風格：classic, premium, minimal, corporate */

:root {
    /* 預設動效時間 */
    --transition-fast: 0.15s;
    --transition-normal: 0.3s;
    --transition-slow: 0.5s;
    
    /* 圓角 */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    /* 陰影 */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.2);
    
    /* RGB 顏色（用於 rgba）- 預設深色 */
    --accent-rgb: 0, 217, 255;
    --bg-card-rgb: 22, 33, 62;
    --bg-secondary-rgb: 22, 33, 62;
    --bg-primary-rgb: 26, 26, 46;
}

/* ========== 主題 RGB 映射 ========== */
[data-theme="neon"] {
    --accent-rgb: 0, 240, 255;
    --bg-card-rgb: 15, 15, 26;
    --bg-secondary-rgb: 15, 15, 26;
    --bg-primary-rgb: 10, 10, 15;
}

[data-theme="light"] {
    --accent-rgb: 49, 130, 206;
    --bg-card-rgb: 255, 255, 255;
    --bg-secondary-rgb: 255, 255, 255;
    --bg-primary-rgb: 245, 247, 250;
}

[data-theme="green"] {
    --accent-rgb: 76, 175, 80;
    --bg-card-rgb: 19, 42, 30;
    --bg-secondary-rgb: 19, 42, 30;
    --bg-primary-rgb: 13, 31, 23;
}

[data-theme="warm"] {
    --accent-rgb: 255, 159, 67;
    --bg-card-rgb: 45, 36, 28;
    --bg-secondary-rgb: 45, 36, 28;
    --bg-primary-rgb: 26, 20, 16;
}

[data-theme="purple"] {
    --accent-rgb: 139, 92, 246;
    --bg-card-rgb: 30, 26, 46;
    --bg-secondary-rgb: 30, 26, 46;
    --bg-primary-rgb: 19, 17, 28;
}

[data-theme="ocean"] {
    --accent-rgb: 14, 165, 233;
    --bg-card-rgb: 18, 38, 64;
    --bg-secondary-rgb: 18, 38, 64;
    --bg-primary-rgb: 12, 25, 41;
}

[data-theme="rose"] {
    --accent-rgb: 236, 72, 153;
    --bg-card-rgb: 42, 31, 36;
    --bg-secondary-rgb: 42, 31, 36;
    --bg-primary-rgb: 28, 20, 24;
}

[data-theme="contrast"] {
    --accent-rgb: 255, 255, 0;
    --bg-card-rgb: 17, 17, 17;
    --bg-secondary-rgb: 17, 17, 17;
    --bg-primary-rgb: 0, 0, 0;
}

/* 亮色系 RGB */
[data-theme="sky"] {
    --accent-rgb: 33, 150, 243;
    --bg-card-rgb: 255, 255, 255;
    --bg-secondary-rgb: 255, 255, 255;
    --bg-primary-rgb: 227, 242, 253;
}

[data-theme="mint"] {
    --accent-rgb: 76, 175, 80;
    --bg-card-rgb: 255, 255, 255;
    --bg-secondary-rgb: 255, 255, 255;
    --bg-primary-rgb: 232, 245, 233;
}

[data-theme="cream"] {
    --accent-rgb: 255, 152, 0;
    --bg-card-rgb: 255, 255, 255;
    --bg-secondary-rgb: 255, 255, 255;
    --bg-primary-rgb: 255, 248, 225;
}

[data-theme="lavender"] {
    --accent-rgb: 156, 39, 176;
    --bg-card-rgb: 255, 255, 255;
    --bg-secondary-rgb: 255, 255, 255;
    --bg-primary-rgb: 243, 229, 245;
}

[data-theme="sakura"] {
    --accent-rgb: 233, 30, 99;
    --bg-card-rgb: 255, 255, 255;
    --bg-secondary-rgb: 255, 255, 255;
    --bg-primary-rgb: 252, 228, 236;
}

/* ========================================
   CLASSIC - 經典版（目前樣式）
======================================== */
[data-ui="classic"] {
    --ui-card-bg: var(--bg-card);
    --ui-card-border: 1px solid var(--border-color);
    --ui-card-shadow: none;
    --ui-card-radius: var(--radius-md);
}

/* ========================================
   PREMIUM - 高級玻璃擬態
======================================== */
[data-ui="premium"] {
    --ui-card-bg: rgba(var(--bg-card-rgb), 0.7);
    --ui-card-border: 1px solid rgba(255, 255, 255, 0.1);
    --ui-card-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    --ui-card-radius: var(--radius-lg);
}

[data-ui="premium"] body {
    background-image: 
        radial-gradient(ellipse at 20% 20%, rgba(var(--accent-rgb), 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(var(--accent-rgb), 0.05) 0%, transparent 40%);
    background-attachment: fixed;
}

[data-ui="premium"] .header {
    background: rgba(var(--bg-secondary-rgb), 0.85) !important;
    backdrop-filter: blur(20px) saturate(1.5);
    -webkit-backdrop-filter: blur(20px) saturate(1.5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

[data-ui="premium"] .stat-card,
[data-ui="premium"] .chart-card,
[data-ui="premium"] .cameras-section,
[data-ui="premium"] .camera-item,
[data-ui="premium"] .card,
[data-ui="premium"] .filter-section,
[data-ui="premium"] .analytics-card {
    background: rgba(var(--bg-card-rgb), 0.7) !important;
    backdrop-filter: blur(20px) saturate(1.3);
    -webkit-backdrop-filter: blur(20px) saturate(1.3);
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg) !important;
}

[data-ui="premium"] .stat-card:hover,
[data-ui="premium"] .camera-item:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.25),
        0 0 30px rgba(var(--accent-rgb), 0.15);
}

[data-ui="premium"] .stat-value {
    text-shadow: 0 0 20px currentColor;
}

[data-ui="premium"] .capacity-ring .ring-fill {
    filter: drop-shadow(0 0 8px var(--accent));
}

[data-ui="premium"] .nav-link:hover,
[data-ui="premium"] .nav-link.active {
    background: rgba(var(--accent-rgb), 0.2) !important;
    box-shadow: 0 0 15px rgba(var(--accent-rgb), 0.3);
}

[data-ui="premium"] .status-dot {
    animation: premiumPulse 2s ease-in-out infinite;
}

@keyframes premiumPulse {
    0%, 100% { 
        box-shadow: 0 0 8px var(--success);
        transform: scale(1);
    }
    50% { 
        box-shadow: 0 0 20px var(--success), 0 0 40px var(--success);
        transform: scale(1.15);
    }
}

/* ========================================
   MINIMAL - 極簡設計
======================================== */
[data-ui="minimal"] {
    --ui-card-bg: transparent;
    --ui-card-border: none;
    --ui-card-shadow: none;
    --ui-card-radius: 0;
}

[data-ui="minimal"] .header {
    background: var(--bg-primary) !important;
    border-bottom: 1px solid var(--border-color) !important;
    backdrop-filter: none !important;
    box-shadow: none !important;
}

[data-ui="minimal"] .header h1 {
    font-weight: 400;
    letter-spacing: 0.5px;
}

[data-ui="minimal"] .stat-card,
[data-ui="minimal"] .chart-card,
[data-ui="minimal"] .cameras-section,
[data-ui="minimal"] .camera-item,
[data-ui="minimal"] .card,
[data-ui="minimal"] .filter-section,
[data-ui="minimal"] .analytics-card {
    background: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    border-bottom: 1px solid var(--border-color) !important;
    padding-bottom: 1.5rem;
}

[data-ui="minimal"] .stat-card:hover,
[data-ui="minimal"] .camera-item:hover {
    transform: none !important;
    background: rgba(var(--accent-rgb), 0.03) !important;
}

[data-ui="minimal"] .stats-row {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-card);
}

[data-ui="minimal"] .stats-row .stat-card {
    border-bottom: none !important;
    border-right: 1px solid var(--border-color) !important;
    padding: 1.5rem 1rem;
    background: transparent !important;
}

[data-ui="minimal"] .stats-row .stat-card:last-child {
    border-right: none !important;
}

[data-ui="minimal"] .nav-link {
    border-radius: 0 !important;
    border-bottom: 2px solid transparent;
}

[data-ui="minimal"] .nav-link:hover,
[data-ui="minimal"] .nav-link.active {
    background: transparent !important;
    border-bottom-color: var(--accent);
}

[data-ui="minimal"] .status,
[data-ui="minimal"] .user-badge {
    background: transparent !important;
    border: 1px solid currentColor;
}

/* Minimal 減少動畫 */
[data-ui="minimal"] * {
    transition-duration: 0.1s !important;
}

[data-ui="minimal"] .status-dot {
    animation: none !important;
}

/* ========================================
   CORPORATE - 企業風格
======================================== */
[data-ui="corporate"] {
    --ui-card-bg: var(--bg-card);
    --ui-card-border: 1px solid var(--border-color);
    --ui-card-shadow: var(--shadow-sm);
    --ui-card-radius: var(--radius-sm);
}

[data-ui="corporate"] body {
    font-family: 'Segoe UI', 'Microsoft JhengHei', -apple-system, sans-serif;
}

[data-ui="corporate"] .header {
    background: var(--bg-secondary) !important;
    border-bottom: 3px solid var(--accent) !important;
    box-shadow: var(--shadow-sm);
}

[data-ui="corporate"] .header h1 {
    font-weight: 700;
    letter-spacing: 0;
}

[data-ui="corporate"] .stat-card,
[data-ui="corporate"] .chart-card,
[data-ui="corporate"] .cameras-section,
[data-ui="corporate"] .camera-item,
[data-ui="corporate"] .card,
[data-ui="corporate"] .filter-section,
[data-ui="corporate"] .analytics-card {
    border-radius: var(--radius-sm) !important;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color) !important;
}

[data-ui="corporate"] .stat-card:hover,
[data-ui="corporate"] .camera-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

[data-ui="corporate"] .nav-link {
    font-weight: 500;
    border-radius: var(--radius-sm) !important;
}

[data-ui="corporate"] .nav-link:hover,
[data-ui="corporate"] .nav-link.active {
    background: var(--accent) !important;
    color: #fff !important;
}

[data-ui="corporate"] .stat-value {
    font-weight: 800;
}

[data-ui="corporate"] .chart-card h3,
[data-ui="corporate"] .section-title {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

[data-ui="corporate"] .status,
[data-ui="corporate"] .user-badge {
    border-radius: var(--radius-sm) !important;
}

[data-ui="corporate"] .logout-btn,
[data-ui="corporate"] .theme-btn,
[data-ui="corporate"] .ui-btn {
    border-radius: var(--radius-sm) !important;
    font-weight: 500;
}

/* ========================================
   UI 版本切換器 - 統一大小
======================================== */
.ui-switcher {
    position: relative;
    display: inline-block;
}

.ui-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.45rem 0.75rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.2s;
    height: 34px;
    white-space: nowrap;
}

.ui-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.ui-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem;
    min-width: 180px;
    display: none;
    z-index: 10001;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.ui-dropdown.show {
    display: block;
}

.ui-option {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0.75rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-primary);
}

.ui-option:hover {
    background: var(--border-color);
}

.ui-option.active {
    background: var(--accent);
    color: #fff;
}

.ui-option-icon {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
}

.ui-option-info {
    flex: 1;
}

.ui-option-name {
    font-weight: 500;
    font-size: 0.85rem;
}

.ui-option-desc {
    font-size: 0.7rem;
    opacity: 0.7;
    margin-top: 1px;
}

/* ========================================
   主題切換器樣式統一
======================================== */
.theme-btn {
    height: 34px !important;
    padding: 0.45rem 0.75rem !important;
    font-size: 0.8rem !important;
}

.effects-btn {
    height: 34px !important;
    padding: 0.45rem 0.75rem !important;
    font-size: 0.8rem !important;
}

/* ========================================
   響應式調整
======================================== */
@media (max-width: 1200px) {
    .nav-text {
        display: none;
    }
    
    .nav-link {
        padding: 0.5rem !important;
    }
    
    .nav-icon {
        font-size: 1.1rem !important;
    }
}

@media (max-width: 768px) {
    [data-ui="minimal"] .stats-row {
        display: flex;
        flex-direction: column;
    }
    
    [data-ui="minimal"] .stats-row .stat-card {
        border-right: none !important;
        border-bottom: 1px solid var(--border-color) !important;
    }
    
    [data-ui="minimal"] .stats-row .stat-card:last-child {
        border-bottom: none !important;
    }
    
    .ui-dropdown {
        position: fixed;
        top: auto;
        bottom: 60px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
    
    .header-controls {
        display: none;
    }
}