/* css/themes.css - Comprehensive Theme Definitions */

/* ============================================
   DARK THEME - Professional dark mode
   ============================================ */
[data-theme="dark"] {
    /* Body & Layout */
    --body-bg: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    --sidebar-bg: rgba(30, 41, 59, 0.98);

    /* Header */
    --header-bg: linear-gradient(135deg, rgba(30, 41, 59, 0.95) 0%, rgba(51, 65, 85, 0.95) 100%);
    --header-text: #e0e7ff;

    /* Cards & Containers */
    --card-bg: rgba(30, 41, 59, 0.98);
    --card-bg-glass: rgba(30, 41, 59, 0.3);
    --card-border: rgba(148, 163, 184, 0.2);

    /* Text Colors */
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;

    /* Borders & Backgrounds */
    --border-color: rgba(71, 85, 105, 0.8);
    --hover-bg: rgba(51, 65, 85, 0.8);
    --input-bg: #1e293b;

    /* Shadows - Darker for dark theme */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
    background-color: var(--input-bg);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] input::placeholder {
    color: #64748b;
}

[data-theme="dark"] .sidebar {
    background: var(--sidebar-bg);
}

[data-theme="dark"] .chart-card {
    background: var(--card-bg);
    box-shadow: var(--shadow-md);
}

[data-theme="dark"] ::-webkit-scrollbar {
    width: 10px;
    background-color: #1e293b;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background-color: #475569;
    border-radius: 5px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background-color: #64748b;
}

/* ============================================
   OCEAN THEME - Deep blue professional
   ============================================ */
[data-theme="ocean"] {
    /* Body & Layout */
    --body-bg: linear-gradient(135deg, #0c4a6e 0%, #0369a1 50%, #0891b2 100%);
    --sidebar-bg: rgba(240, 249, 255, 0.98);

    /* Header */
    --header-bg: linear-gradient(135deg, rgba(7, 89, 133, 0.95) 0%, rgba(3, 105, 161, 0.95) 100%);
    --header-text: #f0f9ff;

    /* Cards & Containers */
    --card-bg: rgba(240, 249, 255, 0.98);
    --card-bg-glass: rgba(224, 242, 254, 0.2);
    --card-border: rgba(7, 89, 133, 0.2);

    /* Text Colors */
    --text-primary: #0c4a6e;
    --text-secondary: #075985;
    --text-muted: #0369a1;

    /* Borders & Backgrounds */
    --border-color: rgba(186, 230, 253, 0.8);
    --hover-bg: rgba(224, 242, 254, 0.8);
    --input-bg: #f0f9ff;

    /* Primary gradient override for ocean theme */
    --primary-gradient-start: #0891b2;
    --primary-gradient-end: #0e7490;
}

[data-theme="ocean"] .sidebar {
    background: var(--sidebar-bg);
}

[data-theme="ocean"] .chart-card {
    background: var(--card-bg);
}

[data-theme="ocean"] .performance-badge {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.95) 0%, rgba(8, 145, 178, 0.95) 100%) !important;
}

/* ============================================
   FOREST THEME - Earthy green professional
   ============================================ */
[data-theme="forest"] {
    /* Body & Layout */
    --body-bg: linear-gradient(135deg, #14532d 0%, #166534 50%, #15803d 100%);
    --sidebar-bg: rgba(240, 253, 244, 0.98);

    /* Header */
    --header-bg: linear-gradient(135deg, rgba(20, 83, 45, 0.95) 0%, rgba(22, 101, 52, 0.95) 100%);
    --header-text: #f0fdf4;

    /* Cards & Containers */
    --card-bg: rgba(240, 253, 244, 0.98);
    --card-bg-glass: rgba(220, 252, 231, 0.2);
    --card-border: rgba(20, 83, 45, 0.2);

    /* Text Colors */
    --text-primary: #14532d;
    --text-secondary: #166534;
    --text-muted: #15803d;

    /* Borders & Backgrounds */
    --border-color: rgba(187, 247, 208, 0.8);
    --hover-bg: rgba(220, 252, 231, 0.8);
    --input-bg: #f0fdf4;

    /* Primary gradient override for forest theme */
    --primary-gradient-start: #16a34a;
    --primary-gradient-end: #15803d;
}

[data-theme="forest"] .sidebar {
    background: var(--sidebar-bg);
}

[data-theme="forest"] .chart-card {
    background: var(--card-bg);
}

[data-theme="forest"] .performance-badge {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.95) 0%, rgba(21, 128, 61, 0.95) 100%) !important;
}

/* ============================================
   SUNSET THEME - Warm orange/purple professional
   ============================================ */
[data-theme="sunset"] {
    /* Body & Layout */
    --body-bg: linear-gradient(135deg, #7c2d12 0%, #9a3412 50%, #c2410c 100%);
    --sidebar-bg: rgba(255, 247, 237, 0.98);

    /* Header */
    --header-bg: linear-gradient(135deg, rgba(124, 45, 18, 0.95) 0%, rgba(154, 52, 18, 0.95) 100%);
    --header-text: #fff7ed;

    /* Cards & Containers */
    --card-bg: rgba(255, 247, 237, 0.98);
    --card-bg-glass: rgba(254, 243, 199, 0.2);
    --card-border: rgba(124, 45, 18, 0.2);

    /* Text Colors */
    --text-primary: #7c2d12;
    --text-secondary: #9a3412;
    --text-muted: #c2410c;

    /* Borders & Backgrounds */
    --border-color: rgba(254, 215, 170, 0.8);
    --hover-bg: rgba(254, 243, 199, 0.8);
    --input-bg: #fff7ed;

    /* Primary gradient override for sunset theme */
    --primary-gradient-start: #ea580c;
    --primary-gradient-end: #c2410c;
}

[data-theme="sunset"] .sidebar {
    background: var(--sidebar-bg);
}

[data-theme="sunset"] .chart-card {
    background: var(--card-bg);
}

[data-theme="sunset"] .performance-badge {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.95) 0%, rgba(234, 88, 12, 0.95) 100%) !important;
}

/* ============================================
   MIDNIGHT THEME - Deep purple professional
   ============================================ */
[data-theme="midnight"] {
    /* Body & Layout */
    --body-bg: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4c1d95 100%);
    --sidebar-bg: rgba(237, 233, 254, 0.98);

    /* Header */
    --header-bg: linear-gradient(135deg, rgba(30, 27, 75, 0.95) 0%, rgba(49, 46, 129, 0.95) 100%);
    --header-text: #ede9fe;

    /* Cards & Containers */
    --card-bg: rgba(237, 233, 254, 0.98);
    --card-bg-glass: rgba(221, 214, 254, 0.2);
    --card-border: rgba(30, 27, 75, 0.2);

    /* Text Colors */
    --text-primary: #1e1b4b;
    --text-secondary: #312e81;
    --text-muted: #4c1d95;

    /* Borders & Backgrounds */
    --border-color: rgba(221, 214, 254, 0.8);
    --hover-bg: rgba(221, 214, 254, 0.8);
    --input-bg: #ede9fe;

    /* Primary gradient override for midnight theme */
    --primary-gradient-start: #7c3aed;
    --primary-gradient-end: #6d28d9;
}

[data-theme="midnight"] .sidebar {
    background: var(--sidebar-bg);
}

[data-theme="midnight"] .chart-card {
    background: var(--card-bg);
}

[data-theme="midnight"] .performance-badge {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.95) 0%, rgba(124, 58, 237, 0.95) 100%) !important;
}

/* ============================================
   Theme Selector UI Components
   ============================================ */
.theme-selector {
    margin-bottom: 15px;
    padding: 10px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.theme-selector label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 14px;
}

.theme-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.theme-option {
    padding: 8px 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    background: var(--input-bg);
    cursor: pointer;
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.2s;
    color: var(--text-primary);
}

.theme-option:hover {
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.2);
}

.theme-option.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: #667eea;
}