/* Saudi Health Workforce Planning System - Unified Component System */
/* Professional, Client-Ready Design System */

:root {
    /* Primary Colors - Saudi Green Theme */
    --primary-color: #10b981;
    --primary-hover: #059669;
    --primary-light: rgba(16, 185, 129, 0.1);
    
    /* Secondary Colors */
    --secondary-color: #3b82f6;
    --secondary-hover: #2563eb;
    --accent-color: #8b5cf6;
    
    /* Status Colors */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;
}

/* Dark Theme (Default) */
:root {
    /* Background Colors */
    --bg-primary: #1e293b;
    --bg-secondary: #334155;
    --bg-tertiary: #475569;
    --bg-card: #334155;
    --bg-overlay: rgba(30, 41, 59, 0.95);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --text-muted: #94a3b8;
    --text-disabled: #64748b;
    
    /* Border Colors */
    --border-primary: #475569;
    --border-secondary: #334155;
    --border-accent: #10b981;
}

/* Light Theme */
body.light-mode {
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-overlay: rgba(255, 255, 255, 0.95);
    
    /* Text Colors */
    --text-primary: #1e293b;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --text-disabled: #94a3b8;
    
    /* Border Colors */
    --border-primary: #e2e8f0;
    --border-secondary: #f1f5f9;
    --border-accent: #10b981;
}

:root {
    /* Spacing System */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.25);
    
    /* Typography */
    --font-family: 'Instrument Sans', ui-sans-serif, system-ui, sans-serif;
    --font-family-arabic: 'Tajawal', 'Instrument Sans', ui-sans-serif, system-ui, sans-serif;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset and Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-secondary);
    min-height: 100vh;
    line-height: 1.6;
}

/* Typography System */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-disabled { color: var(--text-disabled); }

.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-error { color: var(--error-color); }
.text-info { color: var(--info-color); }

/* Unified Header Component */
.unified-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-primary);
    padding: 0 var(--spacing-lg);
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    gap: var(--spacing-md);
    position: relative;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
    min-width: 200px;
    z-index: 10;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: var(--transition-fast);
}

.logo-icon:hover {
    background: var(--primary-hover);
    transform: scale(1.05);
}

.logo-icon::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 3px;
    background: white;
    border-radius: 2px;
}

.logo-icon::after {
    content: '';
    position: absolute;
    width: 3px;
    height: 16px;
    background: white;
    border-radius: 2px;
}

.logo-text {
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
}

.main-title {
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
}

/* Unified Navigation System */
.unified-nav {
    display: flex;
    gap: var(--spacing-xl);
    justify-content: center;
    flex: 1;
    margin: 0 var(--spacing-lg);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-tab {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 16px 12px;
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
    position: relative;
    white-space: nowrap;
    min-width: 120px;
    text-align: center;
}

.nav-tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--primary-color);
}

.nav-tab:hover:not(.active) {
    color: var(--text-secondary);
}

.nav-tab::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: var(--transition-fast);
}

.nav-tab.active::after {
    transform: scaleX(1);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
    min-width: 200px;
    justify-content: flex-end;
    margin-left: auto;
    z-index: 10;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    color: var(--text-muted);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 14px;
    text-decoration: none;
}

.action-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-color: var(--primary-color);
}

.action-btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
}

.action-btn.loading svg {
    animation: spin 1s linear infinite;
}

/* User Menu Component */
.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.user-avatar:hover {
    background: var(--secondary-hover);
    transform: scale(1.05);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-fast);
    pointer-events: none;
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md);
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    text-align: left;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
}

.user-dropdown-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.user-dropdown-item:first-child {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.user-dropdown-item:last-child {
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* Ensure dropdown works on all pages - override any custom styles */
header .user-menu {
    position: relative !important;
}

header .user-avatar {
    width: 32px !important;
    height: 32px !important;
    background: var(--secondary-color) !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: white !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: var(--transition-fast) !important;
}

header .user-dropdown {
    position: absolute !important;
    top: calc(100% + var(--spacing-sm)) !important;
    right: 0 !important;
    background: var(--bg-card) !important;
    border: 1px solid var(--border-primary) !important;
    border-radius: var(--radius-md) !important;
    box-shadow: var(--shadow-lg) !important;
    z-index: 1000 !important;
    min-width: 200px !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(-10px) !important;
    transition: var(--transition-fast) !important;
    pointer-events: none !important;
}

header .user-dropdown.show {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
    pointer-events: auto !important;
}

header .user-dropdown-item {
    display: flex !important;
    align-items: center !important;
    gap: var(--spacing-md) !important;
    width: 100% !important;
    padding: var(--spacing-md) var(--spacing-md) !important;
    background: none !important;
    border: none !important;
    color: var(--text-secondary) !important;
    font-size: 14px !important;
    text-align: left !important;
    cursor: pointer !important;
    transition: var(--transition-fast) !important;
    text-decoration: none !important;
}

header .user-dropdown-item:hover {
    background: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

/* Theme Toggle Component */
.theme-toggle {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    color: var(--text-muted);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 14px;
    text-decoration: none;
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-color: var(--primary-color);
}

.theme-toggle svg {
    width: 16px;
    height: 16px;
    transition: var(--transition-fast);
}

.theme-toggle .theme-icon-light {
    display: none;
}

body.light-mode .theme-toggle .theme-icon-dark {
    display: none;
}

body.light-mode .theme-toggle .theme-icon-light {
    display: block;
}

/* Language Selector Component */
.language-selector {
    position: relative;
    display: inline-block;
}

.language-selector .action-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 14px;
    white-space: nowrap;
}

.language-selector .action-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--primary-color);
}

.language-selector .action-btn svg {
    width: 16px;
    height: 16px;
    transition: var(--transition-fast);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 150px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-fast);
    pointer-events: none;
}

.language-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.language-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 14px;
    text-align: left;
}

.language-option:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.language-option.active {
    background: var(--primary-light);
    color: var(--primary-color);
    font-weight: 600;
}

.language-option:first-child {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.language-option:last-child {
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* Ensure language selector works on all pages - override any custom styles */
header .language-selector {
    position: relative !important;
    display: inline-block !important;
}

header .language-selector .action-btn {
    display: flex !important;
    align-items: center !important;
    gap: var(--spacing-sm) !important;
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-primary) !important;
    color: var(--text-secondary) !important;
    padding: var(--spacing-sm) var(--spacing-md) !important;
    border-radius: var(--radius-md) !important;
    cursor: pointer !important;
    transition: var(--transition-fast) !important;
    font-size: 14px !important;
    white-space: nowrap !important;
}

header .language-selector .action-btn:hover {
    background: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border-color: var(--primary-color) !important;
}

header .language-dropdown {
    position: absolute !important;
    top: calc(100% + var(--spacing-sm)) !important;
    right: 0 !important;
    background: var(--bg-card) !important;
    border: 1px solid var(--border-primary) !important;
    border-radius: var(--radius-md) !important;
    box-shadow: var(--shadow-lg) !important;
    min-width: 150px !important;
    z-index: 1000 !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(-10px) !important;
    transition: var(--transition-fast) !important;
    pointer-events: none !important;
}

header .language-dropdown.show {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
    pointer-events: auto !important;
}

header .language-option {
    display: flex !important;
    align-items: center !important;
    gap: var(--spacing-sm) !important;
    width: 100% !important;
    padding: var(--spacing-md) var(--spacing-md) !important;
    background: none !important;
    border: none !important;
    color: var(--text-secondary) !important;
    cursor: pointer !important;
    transition: var(--transition-fast) !important;
    font-size: 14px !important;
    text-align: left !important;
}

header .language-option:hover {
    background: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

header .language-option.active {
    background: var(--primary-light) !important;
    color: var(--primary-color) !important;
    font-weight: 600 !important;
}

/* Light mode specific adjustments */
body.light-mode {
    background: var(--bg-primary);
    color: var(--text-secondary);
}

body.light-mode .unified-header {
    background: var(--bg-primary);
    border-bottom-color: var(--border-primary);
}

body.light-mode .unified-card {
    background: var(--bg-card);
    border-color: var(--border-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

body.light-mode .unified-card:hover {
    border-color: var(--border-accent);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Main Content Container */
.main-content {
    padding: var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 64px);
}

/* Page Header Component */
.page-header {
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.page-title-section h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.page-subtitle {
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 500;
}

.page-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 14px;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success-color);
    animation: pulse 2s infinite;
}

/* Card System */
.unified-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    position: relative;
    transition: var(--transition-fast);
}

.unified-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-md);
}

.card-header {
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.card-title {
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.card-subtitle {
    color: var(--text-muted);
    font-size: 14px;
}

.card-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Button System */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-primary);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--primary-color);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 12px;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 16px;
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

/* Loading States */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 10;
    border-radius: var(--radius-lg);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--bg-secondary);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Notification System */
.notification {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--info-color);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    font-weight: 500;
    max-width: 400px;
    opacity: 0;
    transform: translateX(100%);
    transition: var(--transition-normal);
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

.notification.success { background: var(--success-color); }
.notification.warning { background: var(--warning-color); }
.notification.error { background: var(--error-color); }

/* Footer Component */
.unified-footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-secondary);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-2xl);
}

.footer-text {
    color: var(--text-disabled);
    font-size: 12px;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-link {
    color: var(--text-disabled);
    font-size: 12px;
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--text-muted);
}

/* Animations */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pageTransition {
    0% {
        opacity: 0;
        transform: translateX(20px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pageExit {
    0% {
        opacity: 1;
        transform: translateX(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-20px);
    }
}

.animate-slide-in {
    animation: slideIn 0.6s ease-out;
}

.animate-fade-in {
    animation: fadeIn 0.4s ease-out;
}

/* Page Transition System */
.page-transition {
    animation: pageTransition 0.3s ease-out;
}

.page-exit {
    animation: pageExit 0.2s ease-in;
}

/* Smooth Navigation Transitions */
.nav-tab {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 16px 12px;
    border-bottom: 2px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    white-space: nowrap;
    min-width: 120px;
    text-align: center;
}

.nav-tab:hover:not(.active) {
    color: var(--text-secondary);
    transform: translateY(-1px);
}

.nav-tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--primary-color);
    transform: translateY(-1px);
}

/* Page Loading Overlay */
.page-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.page-loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.page-loading-content {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-xl);
    animation: fadeIn 0.3s ease-out;
}

.page-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-secondary);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

.page-loading-text {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

/* Content Fade In */
.main-content {
    padding: var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 64px);
    animation: fadeIn 0.4s ease-out;
}

/* Card Animations */
.unified-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: fadeIn 0.5s ease-out;
}

.unified-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Grid Animation Stagger */
.grid > *:nth-child(1) { animation-delay: 0.1s; }
.grid > *:nth-child(2) { animation-delay: 0.2s; }
.grid > *:nth-child(3) { animation-delay: 0.3s; }
.grid > *:nth-child(4) { animation-delay: 0.4s; }
.grid > *:nth-child(5) { animation-delay: 0.5s; }
.grid > *:nth-child(6) { animation-delay: 0.6s; }

/* Mobile Navigation Menu */
.mobile-nav-toggle {
    display: none;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    color: var(--text-muted);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.mobile-nav-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.mobile-nav-menu {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-primary);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mobile-nav-menu .nav-tab {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
    transition: var(--transition-fast);
}

.mobile-nav-menu .nav-tab:hover {
    background: var(--bg-tertiary);
}

.mobile-nav-menu .nav-tab.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .main-content {
        max-width: 100%;
        padding: var(--spacing-md);
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .unified-nav {
        display: none;
    }
    
    .mobile-nav-toggle {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .page-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }
    
    .page-actions {
        justify-content: flex-start;
    }
    
    .status-indicator {
        align-self: flex-start;
    }
    
    .header-actions {
        gap: var(--spacing-sm);
    }
    
    .header-actions .action-btn span {
        display: none;
    }
    
    .logo-section {
        min-width: auto;
    }
    
    .header-actions {
        min-width: auto;
    }
}

@media (max-width: 768px) {
    .unified-header {
        padding: 0 var(--spacing-md);
        height: 56px;
    }
    
    .main-content {
        padding: var(--spacing-md);
        min-height: calc(100vh - 56px);
    }
    
    .page-title-section h1 {
        font-size: 24px;
    }
    
    .logo-section {
        gap: var(--spacing-sm);
    }
    
    .main-title {
        font-size: 16px;
    }
    
    .header-actions {
        gap: var(--spacing-xs);
    }
    
    .action-btn {
        padding: var(--spacing-sm);
        min-width: 40px;
        justify-content: center;
    }
    
    .language-selector .action-btn {
        min-width: auto;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .unified-card {
        padding: var(--spacing-md);
    }
    
    .card-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
    
    .card-actions {
        align-self: stretch;
        justify-content: stretch;
    }
    
    .card-actions .btn {
        flex: 1;
        justify-content: center;
    }
    
    .user-dropdown {
        right: 0;
        left: auto;
        min-width: 180px;
    }
    
    .notification {
        left: var(--spacing-md);
        right: var(--spacing-md);
        max-width: none;
    }
}

@media (max-width: 480px) {
    .unified-header {
        padding: 0 var(--spacing-sm);
    }
    
    .main-content {
        padding: var(--spacing-sm);
    }
    
    .logo-text {
        display: none;
    }
    
    .main-title {
        font-size: 14px;
    }
    
    .page-title-section h1 {
        font-size: 20px;
    }
    
    .header-actions {
        gap: var(--spacing-xs);
    }
    
    .language-selector {
        position: static;
    }
    
    .language-dropdown {
        position: fixed;
        top: 56px;
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        max-width: none;
    }
    
    .user-dropdown {
        position: fixed;
        top: 56px;
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        max-width: none;
    }
    
    .grid-auto {
        grid-template-columns: 1fr;
    }
    
    .unified-footer {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Touch-friendly interactions */
@media (hover: none) and (pointer: coarse) {
    .action-btn,
    .btn,
    .nav-tab,
    .user-avatar {
        min-height: 44px;
        min-width: 44px;
    }
    
    .unified-card:hover {
        transform: none;
        border-color: var(--border-primary);
        box-shadow: none;
    }
    
    .btn-primary:hover {
        transform: none;
        box-shadow: var(--shadow-sm);
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --bg-primary: #000000;
        --bg-secondary: #1a1a1a;
        --bg-card: #1a1a1a;
        --text-primary: #ffffff;
        --text-secondary: #ffffff;
        --border-primary: #ffffff;
        --primary-color: #00ff00;
    }
}

/* Reduced transparency for better readability */
@media (prefers-reduced-transparency: reduce) {
    .unified-header {
        backdrop-filter: none;
        background: var(--bg-primary);
    }
    
    .loading-overlay {
        background: var(--bg-primary);
    }
    
    .mobile-nav-overlay {
        backdrop-filter: none;
        background: rgba(0, 0, 0, 0.9);
    }
}

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

/* Focus States */
.btn:focus,
.action-btn:focus,
.nav-tab:focus,
.user-avatar:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .unified-header,
    .unified-footer,
    .header-actions,
    .user-menu {
        display: none;
    }
    
    .main-content {
        padding: 0;
        max-width: none;
    }
    
    .unified-card {
        border: 1px solid #000;
        box-shadow: none;
    }
}
