/* ============================================================================
 * WebTelega UI Styles - Enhanced Modern Design
 * Современные стили для веб-интерфейса WebTelega
 * ============================================================================ */

/* ============================================================================
 * Design System Variables
 * ============================================================================ */

:root {
    /* Modern Color Palette */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    
    --success-50: #f0fdf4;
    --success-100: #dcfce7;
    --success-200: #bbf7d0;
    --success-300: #86efac;
    --success-400: #4ade80;
    --success-500: #22c55e;
    --success-600: #16a34a;
    --success-700: #15803d;
    --success-800: #166534;
    --success-900: #14532d;
    
    --warning-50: #fffbeb;
    --warning-100: #fef3c7;
    --warning-200: #fde68a;
    --warning-300: #fcd34d;
    --warning-400: #fbbf24;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    --warning-700: #b45309;
    --warning-800: #92400e;
    --warning-900: #78350f;
    
    --danger-50: #fef2f2;
    --danger-100: #fee2e2;
    --danger-200: #fecaca;
    --danger-300: #fca5a5;
    --danger-400: #f87171;
    --danger-500: #ef4444;
    --danger-600: #dc2626;
    --danger-700: #b91c1c;
    --danger-800: #991b1b;
    --danger-900: #7f1d1d;
    
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --primary-color: var(--primary-600);
    --success-color: var(--success-500);
    --warning-color: var(--warning-500);
    --danger-color: var(--danger-500);
    --info-color: var(--primary-500);
    
    /* Text Colors */
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-muted: var(--gray-500);
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: var(--gray-50);
    --bg-tertiary: var(--gray-100);
    
    /* Border & Shadow */
    --border-color: var(--gray-200);
    --border-radius-sm: 0.375rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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);
    
    /* Typography */
    --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-family-mono: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    
    /* Spacing Scale */
    --space-0: 0;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    
    /* Animation */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
    
    /* Theme Toggle */
    --theme-toggle-size: 2.5rem;
}

/* ============================================================================
 * Dark Theme Support
 * ============================================================================ */

[data-theme="dark"] {
    --text-primary: var(--gray-50);
    --text-secondary: var(--gray-300);
    --text-muted: var(--gray-400);
    
    --bg-primary: var(--gray-900);
    --bg-secondary: var(--gray-800);
    --bg-tertiary: var(--gray-700);
    
    --border-color: var(--gray-600);
    
    --primary-color: var(--primary-400);
    --success-color: var(--success-400);
    --warning-color: var(--warning-400);
    --danger-color: var(--danger-400);
    --info-color: var(--primary-400);
}

/* ============================================================================
 * Global Styles
 * ============================================================================ */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-sans);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color var(--transition-base), color var(--transition-base);
    margin: 0;
    padding: 0;
}

/* Focus styles for accessibility */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Selection styles */
::selection {
    background-color: var(--primary-200);
    color: var(--primary-900);
}

[data-theme="dark"] ::selection {
    background-color: var(--primary-600);
    color: var(--primary-100);
}

/* ============================================================================
 * Enhanced Navigation
 * ============================================================================ */

.navbar {
    background: var(--bg-primary) !important;
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(20px);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary) !important;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.navbar-brand i {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-brand .badge {
    background: var(--primary-100) !important;
    color: var(--primary-700) !important;
    font-size: 0.75rem;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--border-radius-sm);
}

[data-theme="dark"] .navbar-brand .badge {
    background: var(--primary-800) !important;
    color: var(--primary-200) !important;
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary) !important;
    transition: all var(--transition-base);
    border-radius: var(--border-radius-sm);
    margin: 0 var(--space-1);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left var(--transition-slow);
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover {
    color: var(--primary-color) !important;
    background-color: var(--primary-50);
    transform: translateY(-1px);
}

[data-theme="dark"] .nav-link:hover {
    background-color: var(--primary-900);
}

.nav-link.active {
    color: var(--primary-color) !important;
    background-color: var(--primary-50);
    font-weight: 600;
}

[data-theme="dark"] .nav-link.active {
    background-color: var(--primary-900);
}

.navbar-nav .dropdown-menu {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    margin-top: var(--space-2);
}

.dropdown-item {
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

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

/* ============================================================================
 * Enhanced Cards and Components
 * ============================================================================ */

.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: all var(--transition-base);
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-600));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--primary-200);
}

.card:hover::before {
    opacity: 1;
}

[data-theme="dark"] .card:hover {
    border-color: var(--primary-700);
}

.card-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-primary);
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h5 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.card-header i {
    color: var(--primary-color);
}

.card-body {
    padding: var(--space-6);
    color: var(--text-primary);
}

.card-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-4) var(--space-6);
}

/* Glass card variant */
.card.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .card.glass {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================================================
 * Enhanced Status Cards (Dashboard)
 * ============================================================================ */

.stat-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: all var(--transition-base);
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    transition: height var(--transition-base);
}

.stat-card.success::before {
    background: linear-gradient(90deg, var(--success-500), var(--success-600));
}

.stat-card.primary::before {
    background: linear-gradient(90deg, var(--primary-500), var(--primary-600));
}

.stat-card.warning::before {
    background: linear-gradient(90deg, var(--warning-500), var(--warning-600));
}

.stat-card.info::before {
    background: linear-gradient(90deg, var(--info-500), var(--primary-600));
}

.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.stat-card:hover::before {
    height: 6px;
}

.stat-card-body {
    padding: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.stat-card-content h4 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
    line-height: 1;
}

.stat-card-content p {
    margin: var(--space-1) 0 0;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.stat-card-icon {
    width: 4rem;
    height: 4rem;
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transition: all var(--transition-base);
}

.stat-card.success .stat-card-icon {
    background: var(--success-100);
    color: var(--success-600);
}

.stat-card.primary .stat-card-icon {
    background: var(--primary-100);
    color: var(--primary-600);
}

.stat-card.warning .stat-card-icon {
    background: var(--warning-100);
    color: var(--warning-600);
}

.stat-card.info .stat-card-icon {
    background: var(--primary-100);
    color: var(--primary-600);
}

[data-theme="dark"] .stat-card.success .stat-card-icon {
    background: var(--success-900);
    color: var(--success-400);
}

[data-theme="dark"] .stat-card.primary .stat-card-icon {
    background: var(--primary-900);
    color: var(--primary-400);
}

[data-theme="dark"] .stat-card.warning .stat-card-icon {
    background: var(--warning-900);
    color: var(--warning-400);
}

[data-theme="dark"] .stat-card.info .stat-card-icon {
    background: var(--primary-900);
    color: var(--primary-400);
}

.stat-card:hover .stat-card-icon {
    transform: scale(1.1) rotate(5deg);
}

/* ============================================================================
 * Account Cards
 * ============================================================================ */

.account-card {
    transition: all var(--transition-base);
    border-left: 4px solid transparent;
    position: relative;
    overflow: hidden;
}

.account-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.account-card.online {
    border-left-color: var(--success-color);
}

.account-card.online::before {
    background: linear-gradient(90deg, var(--success-500), var(--success-600));
}

.account-card.offline {
    border-left-color: var(--gray-400);
}

.account-card.offline::before {
    background: linear-gradient(90deg, var(--gray-400), var(--gray-500));
}

.account-card.error {
    border-left-color: var(--danger-color);
}

.account-card.error::before {
    background: linear-gradient(90deg, var(--danger-500), var(--danger-600));
}

.account-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-200);
}

.account-card:hover::before {
    opacity: 1;
}

[data-theme="dark"] .account-card:hover {
    border-color: var(--primary-700);
}

.account-status {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius-xl);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    gap: var(--space-1);
    position: relative;
    overflow: hidden;
}

.account-status::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--transition-slow);
}

.account-status:hover::before {
    left: 100%;
}

.account-status.online {
    background: linear-gradient(135deg, var(--success-500), var(--success-600));
    color: white;
    box-shadow: 0 2px 4px rgba(var(--success-500), 0.3);
}

.account-status.offline {
    background: linear-gradient(135deg, var(--gray-500), var(--gray-600));
    color: white;
    box-shadow: 0 2px 4px rgba(var(--gray-500), 0.3);
}

.account-status.error {
    background: linear-gradient(135deg, var(--danger-500), var(--danger-600));
    color: white;
    box-shadow: 0 2px 4px rgba(var(--danger-500), 0.3);
}

.account-status i {
    font-size: 0.875rem;
    filter: drop-shadow(0 1px 1px rgba(0,0,0,0.1));
}

/* Pulse animation for online status */
.account-status.online i {
    animation: pulse-icon 2s ease-in-out infinite;
}

@keyframes pulse-icon {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* ============================================================================
 * System Health Indicators
 * ============================================================================ */

.health-indicator {
    display: inline-flex;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    margin: var(--space-2);
    gap: var(--space-2);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.health-indicator::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.health-indicator:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.health-indicator:hover::before {
    opacity: 1;
}

.health-indicator.healthy {
    background: var(--success-100);
    color: var(--success-800);
    border: 1px solid var(--success-200);
}

.health-indicator.healthy::before {
    background: linear-gradient(90deg, var(--success-500), var(--success-600));
}

.health-indicator.degraded {
    background: var(--warning-100);
    color: var(--warning-800);
    border: 1px solid var(--warning-200);
}

.health-indicator.degraded::before {
    background: linear-gradient(90deg, var(--warning-500), var(--warning-600));
}

.health-indicator.unhealthy {
    background: var(--danger-100);
    color: var(--danger-800);
    border: 1px solid var(--danger-200);
}

.health-indicator.unhealthy::before {
    background: linear-gradient(90deg, var(--danger-500), var(--danger-600));
}

[data-theme="dark"] .health-indicator.healthy {
    background: var(--success-900);
    color: var(--success-200);
    border-color: var(--success-800);
}

[data-theme="dark"] .health-indicator.degraded {
    background: var(--warning-900);
    color: var(--warning-200);
    border-color: var(--warning-800);
}

[data-theme="dark"] .health-indicator.unhealthy {
    background: var(--danger-900);
    color: var(--danger-200);
    border-color: var(--danger-800);
}

.health-indicator i {
    font-size: 1.25rem;
    filter: drop-shadow(0 1px 1px rgba(0,0,0,0.1));
}

/* ============================================================================
 * Metrics and Statistics
 * ============================================================================ */

.metric-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.metric-item:last-child {
    border-bottom: none;
}

.metric-item:hover {
    padding-left: var(--space-2);
    background: var(--bg-tertiary);
    margin: 0 calc(-1 * var(--space-2));
    padding-left: var(--space-2);
    padding-right: var(--space-2);
    border-radius: var(--border-radius);
}

.metric-label {
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.metric-label i {
    color: var(--primary-color);
    font-size: 1rem;
}

.metric-value {
    font-weight: 700;
    font-size: 1.125rem;
    font-family: var(--font-family-mono);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.metric-value.success {
    color: var(--success-color);
}

.metric-value.warning {
    color: var(--warning-color);
}

.metric-value.danger {
    color: var(--danger-color);
}

.metric-value.info {
    color: var(--info-color);
}

/* Metric value animations */
.metric-value.animate {
    animation: metric-update 0.5s ease;
}

@keyframes metric-update {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
        color: var(--primary-color);
    }
    100% {
        transform: scale(1);
    }
}

/* ============================================================================
 * Enhanced Buttons and Forms
 * ============================================================================ */

.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.875rem;
    padding: var(--space-3) var(--space-4);
    transition: all var(--transition-fast);
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transition: width var(--transition-slow), height var(--transition-slow);
    transform: translate(-50%, -50%);
    z-index: 0;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn > * {
    position: relative;
    z-index: 1;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-color: var(--primary-500);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    border-color: var(--primary-600);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, var(--success-500), var(--success-600));
    border-color: var(--success-500);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, var(--success-600), var(--success-700));
    border-color: var(--success-600);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-500), var(--warning-600));
    border-color: var(--warning-500);
    color: white;
}

.btn-warning:hover {
    background: linear-gradient(135deg, var(--warning-600), var(--warning-700));
    border-color: var(--warning-600);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-500), var(--danger-600));
    border-color: var(--danger-500);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, var(--danger-600), var(--danger-700));
    border-color: var(--danger-600);
    box-shadow: var(--shadow-lg);
    color: white;
}

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

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

.btn-outline-secondary {
    color: var(--text-secondary);
    border-color: var(--border-color);
    background: transparent;
}

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

/* Button sizes */
.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: 0.75rem;
}

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: 1rem;
}

/* Loading state */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: button-loading-spinner 1s ease infinite;
}

@keyframes button-loading-spinner {
    from {
        transform: rotate(0turn);
    }
    to {
        transform: rotate(1turn);
    }
}

/* Form Controls */
.form-control,
.form-select {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 0.875rem;
    padding: var(--space-3) var(--space-4);
    transition: all var(--transition-fast);
    width: 100%;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-500), 0.1);
    outline: none;
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: var(--space-2);
    display: block;
}

.input-group {
    display: flex;
    align-items: stretch;
}

.input-group-text {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    padding: var(--space-3) var(--space-4);
}

.input-group .form-control {
    border-left: none;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.input-group .form-control:focus {
    border-left: 1px solid var(--primary-color);
}

.input-group .form-control:focus + .input-group-text {
    border-color: var(--primary-color);
}

/* ============================================================================
 * API Testing Section
 * ============================================================================ */

#apiParams {
    font-family: var(--font-family-mono);
    font-size: 0.875rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    resize: vertical;
}

#apiResponse {
    font-family: var(--font-family-mono);
    font-size: 0.875rem;
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--text-primary);
    padding: var(--space-4);
    line-height: 1.5;
}

/* JSON Syntax Highlighting */
.json-key {
    color: var(--danger-600);
    font-weight: 600;
}

.json-string {
    color: var(--success-600);
}

.json-number {
    color: var(--primary-600);
    font-weight: 500;
}

.json-boolean {
    color: var(--warning-600);
    font-weight: 600;
}

.json-null {
    color: var(--gray-500);
    font-style: italic;
}

[data-theme="dark"] .json-key {
    color: var(--danger-400);
}

[data-theme="dark"] .json-string {
    color: var(--success-400);
}

[data-theme="dark"] .json-number {
    color: var(--primary-400);
}

[data-theme="dark"] .json-boolean {
    color: var(--warning-400);
}

[data-theme="dark"] .json-null {
    color: var(--gray-400);
}

/* Copy button for JSON/code blocks */
.code-block {
    position: relative;
}

.code-block .copy-btn {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: var(--space-1) var(--space-2);
    font-size: 0.75rem;
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition-fast);
}

.code-block:hover .copy-btn {
    opacity: 1;
}

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

.copy-btn.copied {
    background: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

.copy-btn.copied::after {
    content: ' ✓';
}

/* ============================================================================
 * Logs Section
 * ============================================================================ */

#logsContainer {
    background-color: var(--gray-900);
    color: var(--gray-100);
    border-radius: var(--border-radius-lg);
    padding: var(--space-4);
    font-family: var(--font-family-mono);
    line-height: 1.5;
    border: 1px solid var(--gray-700);
    font-size: 0.875rem;
}

[data-theme="light"] #logsContainer {
    background-color: var(--gray-800);
    border-color: var(--gray-600);
}

.log-entry {
    margin-bottom: var(--space-2);
    padding: var(--space-2) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-fast);
    border-radius: var(--border-radius-sm);
}

.log-entry:hover {
    background: rgba(255, 255, 255, 0.05);
    padding-left: var(--space-2);
    margin: 0 calc(-1 * var(--space-2));
    padding-right: var(--space-2);
}

.log-entry:last-child {
    border-bottom: none;
}

.log-timestamp {
    color: var(--primary-300);
    font-weight: 500;
    font-family: var(--font-family-mono);
    font-size: 0.75rem;
}

.log-level {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--border-radius-sm);
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 var(--space-2);
    min-width: 3.5rem;
    justify-content: center;
}

.log-level.info {
    background: var(--primary-500);
    color: white;
    box-shadow: 0 1px 2px rgba(var(--primary-500), 0.3);
}

.log-level.warning {
    background: var(--warning-500);
    color: white;
    box-shadow: 0 1px 2px rgba(var(--warning-500), 0.3);
}

.log-level.error {
    background: var(--danger-500);
    color: white;
    box-shadow: 0 1px 2px rgba(var(--danger-500), 0.3);
}

.log-level.debug {
    background: var(--gray-500);
    color: white;
    box-shadow: 0 1px 2px rgba(var(--gray-500), 0.3);
}

.log-level.success {
    background: var(--success-500);
    color: white;
    box-shadow: 0 1px 2px rgba(var(--success-500), 0.3);
}

.log-message {
    color: var(--gray-100);
    line-height: 1.4;
    word-break: break-word;
}

.log-account {
    color: var(--success-400);
    font-weight: 600;
    font-family: var(--font-family-mono);
}

.log-method {
    color: var(--primary-300);
    font-style: italic;
    font-weight: 500;
}

.log-error {
    color: var(--danger-300);
    font-weight: 500;
}

.log-ip {
    color: var(--warning-300);
    font-family: var(--font-family-mono);
}

.log-duration {
    color: var(--gray-400);
    font-family: var(--font-family-mono);
    font-size: 0.75rem;
}

/* Auto scroll to bottom indicator */
.logs-scroll-indicator {
    position: absolute;
    bottom: var(--space-4);
    right: var(--space-4);
    background: var(--primary-500);
    color: white;
    border: none;
    border-radius: 50%;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    z-index: 10;
}

.logs-scroll-indicator:hover {
    transform: scale(1.1);
    background: var(--primary-600);
}

.logs-scroll-indicator.hidden {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.8);
}

/* ============================================================================
 * Enhanced Loading States & Skeletons
 * ============================================================================ */

.skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-200) 25%,
        var(--gray-100) 50%,
        var(--gray-200) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--border-radius);
}

[data-theme="dark"] .skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-700) 25%,
        var(--gray-600) 50%,
        var(--gray-700) 75%
    );
    background-size: 200% 100%;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1rem;
    margin-bottom: var(--space-2);
}

.skeleton-text.large {
    height: 1.5rem;
}

.skeleton-text.small {
    height: 0.75rem;
}

.skeleton-circle {
    border-radius: 50%;
    width: 3rem;
    height: 3rem;
}

.skeleton-button {
    height: 2.5rem;
    width: 6rem;
}

/* Enhanced Spinners */
.spinner {
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--gray-200);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-sm {
    width: 1rem;
    height: 1rem;
    border-width: 2px;
}

.spinner-lg {
    width: 3rem;
    height: 3rem;
    border-width: 4px;
}

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

.pulse {
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Loading overlay */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(var(--bg-primary), 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    backdrop-filter: blur(2px);
}

.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    text-align: center;
}

.loading-content .spinner {
    margin-bottom: var(--space-2);
}

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

/* ============================================================================
 * Chat & Messages Components (New)
 * ============================================================================ */

.chat-list {
    max-height: 500px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    background: var(--bg-primary);
}

.chat-item {
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.chat-item:hover {
    background: var(--bg-secondary);
}

.chat-item.active {
    background: var(--primary-50);
    border-left: 4px solid var(--primary-color);
}

[data-theme="dark"] .chat-item.active {
    background: var(--primary-900);
}

.chat-item:last-child {
    border-bottom: none;
}

.chat-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: var(--primary-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--primary-600);
    flex-shrink: 0;
}

[data-theme="dark"] .chat-avatar {
    background: var(--primary-800);
    color: var(--primary-300);
}

.chat-info {
    flex: 1;
    min-width: 0;
}

.chat-name {
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--space-1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-last-message {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-1);
    flex-shrink: 0;
}

.chat-time {
    color: var(--text-muted);
    font-size: 0.75rem;
    white-space: nowrap;
}

.chat-unread {
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    width: 1.25rem;
    height: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
}

.message-list {
    max-height: 400px;
    overflow-y: auto;
    padding: var(--space-4);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.message-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    animation: slideUp 0.3s ease;
}

.message-item.outgoing {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-600);
    flex-shrink: 0;
}

[data-theme="dark"] .message-avatar {
    background: var(--gray-700);
    color: var(--gray-300);
}

.message-item.outgoing .message-avatar {
    background: var(--primary-500);
    color: white;
}

.message-content {
    max-width: 70%;
    min-width: 0;
}

.message-bubble {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--space-3) var(--space-4);
    word-wrap: break-word;
    position: relative;
}

.message-item.outgoing .message-bubble {
    background: var(--primary-500);
    color: white;
    border-color: var(--primary-500);
}

.message-bubble::before {
    content: '';
    position: absolute;
    top: var(--space-3);
    width: 0;
    height: 0;
    border: 6px solid transparent;
}

.message-bubble::before {
    left: -12px;
    border-right-color: var(--bg-secondary);
}

.message-item.outgoing .message-bubble::before {
    left: auto;
    right: -12px;
    border-left-color: var(--primary-500);
    border-right-color: transparent;
}

[data-theme="dark"] .message-bubble::before {
    border-right-color: var(--bg-secondary);
}

.message-text {
    margin: 0;
    line-height: 1.4;
}

.message-time {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: var(--space-1);
    text-align: right;
}

.message-item.outgoing .message-time {
    color: rgba(255, 255, 255, 0.7);
}

.message-composer {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-4);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    background: var(--bg-primary);
    align-items: flex-end;
}

.message-input {
    flex: 1;
    resize: none;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-3);
    font-family: inherit;
    font-size: 0.875rem;
    max-height: 6rem;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.message-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-color), 0.1);
}

.send-button {
    background: var(--primary-color);
    border: none;
    border-radius: 50%;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.send-button:hover {
    background: var(--primary-600);
    transform: scale(1.05);
}

.send-button:disabled {
    background: var(--gray-400);
    cursor: not-allowed;
    transform: none;
}

.send-button i {
    font-size: 1rem;
}

/* Empty states */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-12) var(--space-6);
    text-align: center;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.empty-state h3 {
    margin: 0 0 var(--space-2);
    color: var(--text-secondary);
}

.empty-state p {
    margin: 0;
    max-width: 24rem;
}

/* ============================================================================
 * Theme Toggle Button
 * ============================================================================ */

.theme-toggle {
    position: relative;
    width: var(--theme-toggle-size);
    height: var(--theme-toggle-size);
    border: none;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.theme-toggle i {
    transition: all var(--transition-base);
}

.theme-toggle[data-theme="light"] .bi-moon {
    opacity: 0;
    transform: rotate(180deg);
}

.theme-toggle[data-theme="dark"] .bi-sun {
    opacity: 0;
    transform: rotate(-180deg);
}

/* Auto Dark Mode based on system preference */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --text-primary: var(--gray-50);
        --text-secondary: var(--gray-300);
        --text-muted: var(--gray-400);
        
        --bg-primary: var(--gray-900);
        --bg-secondary: var(--gray-800);
        --bg-tertiary: var(--gray-700);
        
        --border-color: var(--gray-600);
        
        --primary-color: var(--primary-400);
        --success-color: var(--success-400);
        --warning-color: var(--warning-400);
        --danger-color: var(--danger-400);
        --info-color: var(--primary-400);
    }
}

/* ============================================================================
 * Enhanced Animations & Micro-interactions
 * ============================================================================ */

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

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -30px, 0);
    }
    70% {
        transform: translate3d(0, -15px, 0);
    }
    90% {
        transform: translate3d(0, -4px, 0);
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-10px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(10px);
    }
}

/* Animation classes */
.fade-in {
    animation: fadeIn 0.5s ease both;
}

.slide-in {
    animation: slideIn 0.3s ease both;
}

.slide-in-right {
    animation: slideInRight 0.3s ease both;
}

.scale-in {
    animation: scaleIn 0.3s ease both;
}

.slide-up {
    animation: slideUp 0.5s ease both;
}

.bounce {
    animation: bounce 1s ease;
}

.shake {
    animation: shake 0.5s ease;
}

/* Stagger animations */
.stagger > * {
    animation-delay: calc(var(--stagger-delay, 0.1s) * var(--i, 0));
}

/* Hover effects */
.hover-lift {
    transition: transform var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

.hover-scale {
    transition: transform var(--transition-base);
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-rotate {
    transition: transform var(--transition-base);
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

/* Page transitions */
.page-transition {
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-slow);
}

.page-transition.active {
    opacity: 1;
    transform: translateY(0);
}

/* Reduce motion for accessibility */
@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;
    }
}

/* ============================================================================
 * Enhanced Utility Classes
 * ============================================================================ */

/* Typography */
.text-monospace {
    font-family: var(--font-family-mono) !important;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient.success {
    background: linear-gradient(135deg, var(--success-500), var(--success-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient.warning {
    background: linear-gradient(135deg, var(--warning-500), var(--warning-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient.danger {
    background: linear-gradient(135deg, var(--danger-500), var(--danger-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Borders */
.border-start-success {
    border-left: 4px solid var(--success-color) !important;
}

.border-start-warning {
    border-left: 4px solid var(--warning-color) !important;
}

.border-start-danger {
    border-left: 4px solid var(--danger-color) !important;
}

.border-start-info {
    border-left: 4px solid var(--info-color) !important;
}

.border-start-primary {
    border-left: 4px solid var(--primary-color) !important;
}

/* Interactive */
.cursor-pointer {
    cursor: pointer;
}

.cursor-grab {
    cursor: grab;
}

.cursor-grabbing {
    cursor: grabbing;
}

.user-select-none {
    user-select: none;
}

.pointer-events-none {
    pointer-events: none;
}

/* Layout */
.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-column {
    display: flex;
    flex-direction: column;
}

.flex-wrap {
    flex-wrap: wrap;
}

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }

/* Spacing */
.p-0 { padding: 0 !important; }
.p-1 { padding: var(--space-1) !important; }
.p-2 { padding: var(--space-2) !important; }
.p-3 { padding: var(--space-3) !important; }
.p-4 { padding: var(--space-4) !important; }
.p-5 { padding: var(--space-5) !important; }
.p-6 { padding: var(--space-6) !important; }

.m-0 { margin: 0 !important; }
.m-1 { margin: var(--space-1) !important; }
.m-2 { margin: var(--space-2) !important; }
.m-3 { margin: var(--space-3) !important; }
.m-4 { margin: var(--space-4) !important; }
.m-5 { margin: var(--space-5) !important; }
.m-6 { margin: var(--space-6) !important; }

/* Borders & Radius */
.rounded-sm { border-radius: var(--border-radius-sm) !important; }
.rounded { border-radius: var(--border-radius) !important; }
.rounded-lg { border-radius: var(--border-radius-lg) !important; }
.rounded-xl { border-radius: var(--border-radius-xl) !important; }
.rounded-full { border-radius: 9999px !important; }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-xl { box-shadow: var(--shadow-xl) !important; }
.shadow-none { box-shadow: none !important; }

/* Backgrounds */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600)) !important;
}

.bg-gradient-success {
    background: linear-gradient(135deg, var(--success-500), var(--success-600)) !important;
}

.bg-gradient-warning {
    background: linear-gradient(135deg, var(--warning-500), var(--warning-600)) !important;
}

.bg-gradient-danger {
    background: linear-gradient(135deg, var(--danger-500), var(--danger-600)) !important;
}

/* Position */
.sticky-top {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

/* Overflow */
.overflow-hidden { overflow: hidden !important; }
.overflow-auto { overflow: auto !important; }
.overflow-scroll { overflow: scroll !important; }

/* Display */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }

/* Width & Height */
.w-full { width: 100% !important; }
.h-full { height: 100% !important; }
.min-h-screen { min-height: 100vh !important; }

/* Z-index */
.z-10 { z-index: 10 !important; }
.z-20 { z-index: 20 !important; }
.z-30 { z-index: 30 !important; }
.z-40 { z-index: 40 !important; }
.z-50 { z-index: 50 !important; }

/* ============================================================================
 * Enhanced Scrollbars
 * ============================================================================ */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-base);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--gray-800);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--gray-600);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--gray-400) var(--bg-tertiary);
}

[data-theme="dark"] * {
    scrollbar-color: var(--gray-600) var(--gray-800);
}

/* ============================================================================
 * Toast & Alert Enhancements
 * ============================================================================ */

.toast {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    color: var(--text-primary);
    backdrop-filter: blur(20px);
}

.toast.success {
    border-left: 4px solid var(--success-color);
}

.toast.error {
    border-left: 4px solid var(--danger-color);
}

.toast.warning {
    border-left: 4px solid var(--warning-color);
}

.toast.info {
    border-left: 4px solid var(--info-color);
}

.alert {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: var(--space-4) var(--space-6);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.alert-success {
    border-left: 4px solid var(--success-color);
    background: var(--success-50);
    color: var(--success-800);
}

.alert-danger {
    border-left: 4px solid var(--danger-color);
    background: var(--danger-50);
    color: var(--danger-800);
}

.alert-warning {
    border-left: 4px solid var(--warning-color);
    background: var(--warning-50);
    color: var(--warning-800);
}

.alert-info {
    border-left: 4px solid var(--info-color);
    background: var(--primary-50);
    color: var(--primary-800);
}

[data-theme="dark"] .alert-success {
    background: var(--success-900);
    color: var(--success-200);
}

[data-theme="dark"] .alert-danger {
    background: var(--danger-900);
    color: var(--danger-200);
}

[data-theme="dark"] .alert-warning {
    background: var(--warning-900);
    color: var(--warning-200);
}

[data-theme="dark"] .alert-info {
    background: var(--primary-900);
    color: var(--primary-200);
}

/* ============================================================================
 * Modal Enhancements
 * ============================================================================ */

.modal-content {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(20px);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

.modal-title {
    color: var(--text-primary);
    font-weight: 600;
}

.modal-body {
    color: var(--text-primary);
}

.btn-close {
    filter: var(--data-theme-dark, invert(1));
}

[data-theme="dark"] .btn-close {
    filter: invert(1);
}

/* ============================================================================
 * Enhanced Responsive Design
 * ============================================================================ */

/* Large screens (1440px+) */
@media (min-width: 1440px) {
    .container-fluid {
        max-width: 1400px;
        margin: 0 auto;
        padding: 0 var(--space-8);
    }
}

/* Desktop (1024px - 1439px) */
@media (min-width: 1024px) and (max-width: 1439px) {
    .container-fluid {
        padding: 0 var(--space-6);
    }
}

/* Tablet (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .container-fluid {
        padding: 0 var(--space-4);
    }
    
    .stat-card-body {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
    
    .stat-card-content h4 {
        font-size: 2rem;
    }
    
    .btn-group {
        flex-wrap: wrap;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .navbar-brand i {
        font-size: 1.5rem;
    }
}

/* Mobile (480px - 767px) */
@media (min-width: 480px) and (max-width: 767px) {
    .container-fluid {
        padding: 0 var(--space-3);
    }
    
    .card {
        margin-bottom: var(--space-4);
    }
    
    .card-body {
        padding: var(--space-4);
    }
    
    .account-card {
        margin-bottom: var(--space-4);
    }
    
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        border-radius: var(--border-radius) !important;
        margin-bottom: var(--space-2);
        width: 100%;
    }
    
    .stat-card-body {
        flex-direction: column;
        gap: var(--space-3);
        text-align: center;
    }
    
    .stat-card-content h4 {
        font-size: 1.75rem;
    }
    
    .stat-card-icon {
        width: 3rem;
        height: 3rem;
        font-size: 1.5rem;
    }
    
    .navbar-brand {
        font-size: 1.125rem;
    }
    
    .navbar-brand i {
        font-size: 1.25rem;
    }
    
    .nav-link {
        padding: var(--space-3) var(--space-2);
        font-size: 0.875rem;
    }
    
    .theme-toggle {
        width: 2rem;
        height: 2rem;
        font-size: 1rem;
    }
    
    #logsContainer {
        height: 300px;
        font-size: 0.75rem;
    }
    
    #apiResponse {
        height: 250px;
        font-size: 0.75rem;
    }
    
    .metric-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-1);
    }
    
    .health-indicator {
        width: 100%;
        justify-content: center;
        margin: var(--space-1) 0;
    }
}

/* Small mobile (320px - 479px) */
@media (max-width: 479px) {
    .container-fluid {
        padding: 0 var(--space-2);
    }
    
    .card-body {
        padding: var(--space-3);
    }
    
    .card-header {
        padding: var(--space-3);
    }
    
    .btn {
        padding: var(--space-2) var(--space-3);
        font-size: 0.75rem;
    }
    
    .btn-sm {
        padding: var(--space-1) var(--space-2);
        font-size: 0.7rem;
    }
    
    .stat-card-content h4 {
        font-size: 1.5rem;
    }
    
    .stat-card-content p {
        font-size: 0.75rem;
    }
    
    .navbar-brand {
        font-size: 1rem;
    }
    
    .navbar-brand .badge {
        display: none;
    }
    
    .nav-link {
        padding: var(--space-2);
        font-size: 0.75rem;
    }
    
    .form-control,
    .form-select {
        font-size: 0.875rem;
        padding: var(--space-2) var(--space-3);
    }
    
    .modal-dialog {
        margin: var(--space-4);
    }
    
    .toast {
        font-size: 0.875rem;
    }
    
    .account-status {
        font-size: 0.7rem;
        padding: var(--space-1) var(--space-2);
    }
}

/* Enhanced Mobile Navigation and UX */
@media (max-width: 767px) {
    /* Mobile-first navigation improvements */
    .navbar-nav {
        padding: var(--space-4) 0;
    }
    
    .nav-item {
        margin-bottom: var(--space-2);
    }
    
    .nav-link {
        border-radius: var(--border-radius);
        margin: 0 var(--space-2);
        background: var(--bg-secondary);
        border: 1px solid var(--border-color);
    }
    
    .nav-link.active {
        background: var(--primary-color);
        color: white !important;
        border-color: var(--primary-color);
    }
    
    /* Mobile chat interface */
    .chat-list {
        max-height: 50vh;
        overflow-y: auto;
    }
    
    .chat-item {
        padding: var(--space-4);
        border-radius: var(--border-radius);
        margin-bottom: var(--space-2);
    }
    
    .chat-avatar {
        width: 3rem;
        height: 3rem;
        font-size: 1.25rem;
    }
    
    /* Mobile message interface */
    .message-list {
        max-height: 40vh;
        overflow-y: auto;
    }
    
    .message-item {
        margin-bottom: var(--space-3);
        padding: var(--space-3);
    }
    
    .message-composer {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .message-input {
        min-height: 120px;
        resize: vertical;
    }
    
    .send-button {
        align-self: flex-end;
        width: auto;
        padding: var(--space-3) var(--space-6);
    }
    
    /* Mobile forms */
    .form-floating {
        margin-bottom: var(--space-4);
    }
    
    .form-floating > label {
        font-size: 0.875rem;
    }
    
    /* Mobile modals */
    .modal-dialog {
        margin: var(--space-2);
        max-width: calc(100vw - var(--space-4));
    }
    
    .modal-body {
        padding: var(--space-4);
    }
    
    /* Mobile API testing */
    #apiParams {
        font-size: 0.75rem;
        font-family: var(--font-family-mono);
    }
    
    /* Mobile search */
    .search-wrapper {
        margin-bottom: var(--space-4);
    }
    
    .search-input {
        font-size: 1rem; /* Prevent zoom on iOS */
    }
    
    /* Mobile filter tabs */
    .filter-tabs {
        flex-wrap: wrap;
        gap: var(--space-2);
    }
    
    .filter-tab {
        flex: 1;
        min-width: 80px;
        font-size: 0.75rem;
        padding: var(--space-2);
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .card,
    .account-card {
        transition: none;
    }
    
    .btn:hover,
    .nav-link:hover,
    .card:hover,
    .account-card:hover {
        transform: none;
    }
    
    /* Larger touch targets */
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .theme-toggle {
        min-height: 44px;
        min-width: 44px;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2),
       (min-resolution: 192dpi) {
    /* Sharper borders and shadows for retina displays */
    .card,
    .btn,
    .form-control {
        border-width: 0.5px;
    }
}

/* Landscape orientation adjustments */
@media (orientation: landscape) and (max-height: 500px) {
    .navbar {
        padding: var(--space-2) 0;
    }
    
    .navbar-brand {
        font-size: 1rem;
    }
    
    .stat-card-body {
        padding: var(--space-4);
    }
    
    .stat-card-content h4 {
        font-size: 1.5rem;
    }
}

/* Accessibility: Reduce motion */
@media (prefers-reduced-motion: reduce) {
    .btn::before,
    .nav-link::before,
    .account-status::before,
    .health-indicator::before,
    .card::before {
        display: none;
    }
}

/* Dark mode specific responsive adjustments */
@media (prefers-color-scheme: dark) {
    @media (max-width: 767px) {
        .navbar {
            border-bottom-color: var(--gray-700);
        }
    }
}

/* ============================================================================
 * Enhanced Print Styles
 * ============================================================================ */

@media print {
    * {
        -webkit-print-color-adjust: exact !important;
        color-adjust: exact !important;
    }
    
    .theme-toggle,
    .navbar-toggler,
    .btn:not(.btn-outline-primary),
    .modal,
    .toast-container,
    .dropdown-menu,
    .loading-overlay {
        display: none !important;
    }
    
    .navbar {
        background: white !important;
        box-shadow: none !important;
        border-bottom: 2px solid #000 !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #000 !important;
        break-inside: avoid;
        margin-bottom: 1rem !important;
    }
    
    .container-fluid {
        padding: 0 !important;
    }
    
    .page-break {
        page-break-before: always;
    }
    
    .no-print {
        display: none !important;
    }
    
    /* Ensure text is readable */
    body, .card, .card-body {
        background: white !important;
        color: black !important;
    }
    
    /* Keep icons visible */
    .bi {
        color: black !important;
    }
}

/* ============================================================================
 * Enhanced Loading States & Error Handling Styles
 * ============================================================================ */

/* Enhanced Error States */
.error-state {
    text-align: center;
    padding: var(--space-8) var(--space-4);
    color: var(--text-muted);
}

.error-state i {
    font-size: 3rem;
    color: var(--danger-color);
    margin-bottom: var(--space-4);
}

.error-state h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.error-state p {
    font-size: 1rem;
    margin-bottom: var(--space-4);
}

.error-details {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-3);
    margin: var(--space-4) 0;
    font-family: var(--font-family-mono);
}

[data-theme="dark"] .error-details {
    background: var(--gray-800);
    border-color: var(--gray-700);
}

/* Enhanced Skeleton Loading */
.skeleton-item {
    animation: skeleton-fade-in 0.5s ease calc(var(--i, 0) * 0.1s);
    margin-bottom: var(--space-4);
}

.skeleton-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
}

.skeleton-badge {
    width: 80px;
    height: 1.5rem;
    border-radius: var(--border-radius);
}

.skeleton-stat {
    width: 100px;
    height: 1rem;
    border-radius: var(--border-radius);
    margin: var(--space-2) 0;
}

.skeleton-title {
    width: 60%;
    height: 1.25rem;
    margin-bottom: var(--space-2);
    border-radius: var(--border-radius);
}

.skeleton-text {
    width: 100%;
    height: 1rem;
    margin-bottom: var(--space-2);
    border-radius: var(--border-radius);
}

.skeleton-text.short {
    width: 75%;
}

@keyframes skeleton-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Enhanced Button Loading States */
.btn.loading {
    position: relative;
    pointer-events: none;
}

.btn .spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* JSON Response Formatting */
.json-response {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-secondary);
    margin: var(--space-4) 0;
    overflow: hidden;
}

.json-response.success {
    border-color: var(--success-color);
}

.json-response.error {
    border-color: var(--danger-color);
}

.json-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.json-label {
    font-weight: 600;
    color: var(--text-primary);
}

.json-response.success .json-label {
    color: var(--success-color);
}

.json-response.error .json-label {
    color: var(--danger-color);
}

.json-content {
    margin: 0;
    padding: var(--space-4);
    background: var(--bg-primary);
    font-family: var(--font-family-mono);
    font-size: 0.875rem;
    line-height: 1.6;
    overflow-x: auto;
}

.json-content code {
    color: var(--text-primary);
}

.json-key {
    color: var(--danger-color);
    font-weight: 600;
}

.json-string {
    color: var(--success-color);
}

.json-number {
    color: var(--primary-color);
}

.json-boolean {
    color: var(--warning-color);
    font-weight: 600;
}

.json-null {
    color: var(--gray-400);
    font-style: italic;
}

.copy-btn {
    transition: all var(--transition-base);
}

.copy-btn:hover {
    transform: scale(1.05);
}

.copy-btn.btn-success {
    border-color: var(--success-color);
    color: var(--success-color);
}

/* Enhanced Loading Content */
.loading-content {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    color: var(--text-muted);
}

.loading-content .spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Enhanced Shake Animation for Errors */
.shake {
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Enhanced Fade Transitions */
.fade-in {
    animation: fade-in 0.3s ease-in-out;
}

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

/* Mobile Optimizations for Loading States */
@media (max-width: 767px) {
    .error-state {
        padding: var(--space-6) var(--space-3);
    }
    
    .error-state i {
        font-size: 2rem;
    }
    
    .json-content {
        font-size: 0.75rem;
        padding: var(--space-3);
    }
    
    .json-header {
        flex-direction: column;
        gap: var(--space-2);
        text-align: center;
    }
    
    .copy-btn {
        width: 100%;
    }
}

/* Dark Theme Support for New Components */
[data-theme="dark"] .json-response {
    background: var(--gray-800);
    border-color: var(--gray-600);
}

[data-theme="dark"] .json-response.success {
    border-color: var(--success-600);
}

[data-theme="dark"] .json-response.error {
    border-color: var(--danger-600);
}

[data-theme="dark"] .json-header {
    background: var(--gray-700);
    border-color: var(--gray-600);
}

[data-theme="dark"] .json-content {
    background: var(--gray-900);
}

[data-theme="dark"] .loading-content {
    color: var(--gray-400);
}