/**
 * Theme Management CSS
 * Dark/Light theme support with smooth transitions
 */

/* Theme Transition Base */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Body theme styling */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Light Theme (Default) */
[data-theme="light"] {
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-quaternary: #e5e7eb;
    
    /* Text Colors */
    --text-primary: #111827;
    
    /* Explicit body styling for light theme */
    background-color: var(--bg-primary);
    color: var(--text-primary);
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --text-quaternary: #d1d5db;
    
    /* Border Colors */
    --border-color: #e5e7eb;
    --border-hover: #d1d5db;
    --border-focus: #3b82f6;
    
    /* Shadow Colors */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Overlay Colors */
    --overlay-light: rgba(0, 0, 0, 0.1);
    --overlay-medium: rgba(0, 0, 0, 0.3);
    --overlay-dark: rgba(0, 0, 0, 0.5);
    
    /* Status Colors */
    --status-success: #10b981;
    --status-success-bg: #ecfdf5;
    --status-warning: #f59e0b;
    --status-warning-bg: #fffbeb;
    --status-error: #ef4444;
    --status-error-bg: #fef2f2;
    --status-info: #3b82f6;
    --status-info-bg: #eff6ff;
}

/* Dark Theme */
[data-theme="dark"] {
    /* Background Colors */
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-tertiary: #374151;
    --bg-quaternary: #4b5563;
    
    /* Text Colors */
    --text-primary: #f9fafb;
    
    /* Explicit body styling for dark theme */
    background-color: var(--bg-primary);
    color: var(--text-primary);
    --text-secondary: #d1d5db;
    --text-tertiary: #9ca3af;
    --text-quaternary: #6b7280;
    
    /* Border Colors */
    --border-color: #374151;
    --border-hover: #4b5563;
    --border-focus: #60a5fa;
    
    /* Shadow Colors */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
    
    /* Overlay Colors */
    --overlay-light: rgba(255, 255, 255, 0.1);
    --overlay-medium: rgba(255, 255, 255, 0.2);
    --overlay-dark: rgba(0, 0, 0, 0.7);
    
    /* Status Colors */
    --status-success: #34d399;
    --status-success-bg: #064e3b;
    --status-warning: #fbbf24;
    --status-warning-bg: #78350f;
    --status-error: #f87171;
    --status-error-bg: #7f1d1d;
    --status-info: #60a5fa;
    --status-info-bg: #1e3a8a;
}

/* Theme-specific Component Styles */

/* Cards */
[data-theme="light"] .stat-card,
[data-theme="light"] .dashboard-card {
    background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .stat-card,
[data-theme="dark"] .dashboard-card {
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    border: 1px solid var(--border-color);
}

/* Sidebar */
[data-theme="light"] .sidebar {
    background: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
    border-right: 1px solid var(--border-color);
}

[data-theme="dark"] .sidebar {
    background: linear-gradient(180deg, #111827 0%, #1f2937 100%);
    border-right: 1px solid var(--border-color);
}

/* Header */
[data-theme="light"] .app-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .app-header {
    background: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

/* Login Screen */
[data-theme="light"] .login-screen {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 50%, #1e40af 100%);
}

[data-theme="dark"] .login-screen {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #1d4ed8 100%);
}

/* Form Elements */
[data-theme="light"] input,
[data-theme="light"] select,
[data-theme="light"] textarea {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

[data-theme="light"] input:focus,
[data-theme="light"] select:focus,
[data-theme="light"] textarea:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-50);
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] select:focus,
[data-theme="dark"] textarea:focus {
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Buttons */
[data-theme="light"] .btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.2);
}

[data-theme="light"] .btn-primary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    box-shadow: 0 4px 8px rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .btn-primary {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.3);
}

[data-theme="dark"] .btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.4);
}

/* Status Indicators */
[data-theme="light"] .status-success {
    background-color: var(--status-success-bg);
    color: var(--status-success);
    border: 1px solid var(--status-success);
}

[data-theme="light"] .status-warning {
    background-color: var(--status-warning-bg);
    color: var(--status-warning);
    border: 1px solid var(--status-warning);
}

[data-theme="light"] .status-error {
    background-color: var(--status-error-bg);
    color: var(--status-error);
    border: 1px solid var(--status-error);
}

[data-theme="light"] .status-info {
    background-color: var(--status-info-bg);
    color: var(--status-info);
    border: 1px solid var(--status-info);
}

[data-theme="dark"] .status-success {
    background-color: var(--status-success-bg);
    color: var(--status-success);
    border: 1px solid var(--status-success);
}

[data-theme="dark"] .status-warning {
    background-color: var(--status-warning-bg);
    color: var(--status-warning);
    border: 1px solid var(--status-warning);
}

[data-theme="dark"] .status-error {
    background-color: var(--status-error-bg);
    color: var(--status-error);
    border: 1px solid var(--status-error);
}

[data-theme="dark"] .status-info {
    background-color: var(--status-info-bg);
    color: var(--status-info);
    border: 1px solid var(--status-info);
}

/* Scrollbars */
[data-theme="light"] ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

[data-theme="light"] ::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

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

[data-theme="dark"] ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

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

/* Selection */
[data-theme="light"] ::selection {
    background-color: var(--primary-100);
    color: var(--primary-800);
}

[data-theme="dark"] ::selection {
    background-color: var(--primary-800);
    color: var(--primary-100);
}

/* Focus Ring */
[data-theme="light"] *:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

[data-theme="dark"] *:focus-visible {
    outline: 2px solid var(--primary-400);
    outline-offset: 2px;
}

/* Animation for theme switching */
.theme-transition {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .theme-transition,
    * {
        transition: none !important;
        animation: none !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    [data-theme="light"] {
        --border-color: #000000;
        --text-secondary: #000000;
        --bg-secondary: #ffffff;
    }
    
    [data-theme="dark"] {
        --border-color: #ffffff;
        --text-secondary: #ffffff;
        --bg-secondary: #000000;
    }
}

/* Print styles */
@media print {
    [data-theme="dark"] {
        --bg-primary: #ffffff;
        --bg-secondary: #f9fafb;
        --text-primary: #000000;
        --text-secondary: #6b7280;
        --border-color: #e5e7eb;
    }
}