/* Dark Theme CSS Variables */
[data-theme="dark"] {
    /* Colors */
    --primary-color: #60a5fa;
    --primary-dark: #3b82f6;
    --primary-light: #93c5fd;

    --success-color: #34d399;
    --success-dark: #10b981;
    --success-light: #6ee7b7;

    --warning-color: #fbbf24;
    --warning-dark: #f59e0b;
    --warning-light: #fde047;

    --danger-color: #f87171;
    --danger-dark: #ef4444;
    --danger-light: #fca5a5;

    --neutral-color: #9ca3af;
    --neutral-dark: #6b7280;
    --neutral-light: #d1d5db;

    /* Background Colors */
    --bg-primary: #1f2937;
    --bg-secondary: #111827;
    --bg-tertiary: #374151;
    --bg-hover: #374151;

    /* Text Colors */
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;

    /* Border Colors */
    --border-primary: #374151;
    --border-secondary: #4b5563;
    --border-focus: var(--primary-color);

    /* Shadow Colors */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);

    /* Mood Colors (slightly adjusted for dark mode) */
    --mood-glücklich: #34d399;
    --mood-traurig: #60a5fa;
    --mood-ängstlich: #a78bfa;
    --mood-wütend: #f87171;
    --mood-müde: #9ca3af;
    --mood-energiegeladen: #fbbf24;
    --mood-neutral: #9ca3af;
    --mood-motiviert: #f472b6;
}

/* Dark Theme Specific Styles */
[data-theme="dark"] {
    /* Smooth transitions for theme changes */
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Dark Theme Scrollbar */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: var(--radius-sm);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--border-secondary);
}

/* Dark Theme Form Elements */
[data-theme="dark"] .form-input,
[data-theme="dark"] .form-textarea {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .form-input:focus,
[data-theme="dark"] .form-textarea:focus {
    background-color: var(--bg-secondary);
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

[data-theme="dark"] .mood-btn {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .mood-btn:hover {
    background-color: var(--bg-hover);
    border-color: var(--primary-color);
}

[data-theme="dark"] .mood-btn.active {
    background-color: var(--primary-color);
    color: var(--bg-primary);
}

/* Dark Theme Cards */
[data-theme="dark"] .card {
    background-color: var(--bg-primary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .stat-card {
    background-color: var(--bg-secondary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .chart-container {
    background-color: var(--bg-secondary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .history-item {
    background-color: var(--bg-secondary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .history-item:hover {
    background-color: var(--bg-hover);
}

/* Dark Theme Header */
[data-theme="dark"] .header {
    background-color: var(--bg-primary);
    border-color: var(--border-primary);
}

/* Dark Theme Buttons */
[data-theme="dark"] .filter-btn {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .filter-btn:hover {
    background-color: var(--bg-hover);
    border-color: var(--primary-color);
}

[data-theme="dark"] .filter-btn.active {
    background-color: var(--primary-color);
    color: var(--bg-primary);
    border-color: var(--primary-color);
}

/* Dark Theme Toast */
[data-theme="dark"] .toast {
    background-color: var(--bg-primary);
    border-color: var(--border-primary);
    color: var(--text-primary);
}

/* High Contrast Theme */
[data-theme="high-contrast"] {
    --primary-color: #ffffff;
    --primary-dark: #e5e5e5;
    --primary-light: #ffffff;

    --success-color: #00ff00;
    --success-dark: #00cc00;
    --success-light: #66ff66;

    --warning-color: #ffff00;
    --warning-dark: #cccc00;
    --warning-light: #ffff66;

    --danger-color: #ff0000;
    --danger-dark: #cc0000;
    --danger-light: #ff6666;

    --neutral-color: #ffffff;
    --neutral-dark: #e5e5e5;
    --neutral-light: #ffffff;

    --bg-primary: #000000;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #333333;
    --bg-hover: #2a2a2a;

    --text-primary: #ffffff;
    --text-secondary: #e5e5e5;
    --text-muted: #cccccc;

    --border-primary: #ffffff;
    --border-secondary: #e5e5e5;
    --border-focus: #00ff00;
}

/* High Contrast Theme Specific Styles */
[data-theme="high-contrast"] .mood-btn {
    border-width: 3px;
    font-weight: 700;
}

[data-theme="high-contrast"] .mood-btn.active {
    background-color: var(--primary-color);
    color: var(--bg-primary);
    border-width: 3px;
}

[data-theme="high-contrast"] .btn {
    border: 2px solid var(--text-primary);
    font-weight: 700;
}

[data-theme="high-contrast"] .card {
    border: 2px solid var(--text-primary);
}

[data-theme="high-contrast"] .form-input,
[data-theme="high-contrast"] .form-textarea {
    border: 2px solid var(--text-primary);
    font-weight: 500;
}

[data-theme="high-contrast"] .form-input:focus,
[data-theme="high-contrast"] .form-textarea:focus {
    outline: 3px solid var(--border-focus);
    outline-offset: 2px;
}

/* Reduced Motion Theme */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Print Optimization */
@media print {
    [data-theme="dark"] {
        --bg-primary: #ffffff;
        --bg-secondary: #f3f4f6;
        --bg-tertiary: #e5e7eb;
        --bg-hover: #f9fafb;

        --text-primary: #111827;
        --text-secondary: #6b7280;
        --text-muted: #9ca3af;

        --border-primary: #e5e7eb;
        --border-secondary: #d1d5db;

        --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    }
}