/* Modern CSS Custom Properties & Theme System */
/* Accessibility Enhancements */
.visually-hidden-focusable:not(:focus):not(:focus-within) {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.visually-hidden-focusable:focus {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: var(--z-tooltip);
    padding: 0.5rem 1rem;
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
}

/* Reduced Motion Support */
@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;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --color-border-light: #000000;
        --color-border-medium: #000000;
        --color-border-dark: #000000;
    }
    
    [data-theme="dark"] {
        --color-border-light: #ffffff;
        --color-border-medium: #ffffff;
        --color-border-dark: #ffffff;
    }
}

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

:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

:root {
    /* Brand Colors */
    --color-primary: #00ff88;
    --color-primary-dark: #00cc6a;
    --color-primary-light: #33ff99;
    
    /* Semantic Colors */
    --color-secondary: #6366f1;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #06b6d4;
    
    /* Background Colors - Light Mode */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8fafc;
    --color-bg-tertiary: #f1f5f9;
    --color-bg-nav: #1f2937;
    --color-bg-card: #ffffff;
    --color-bg-overlay: rgba(255, 255, 255, 0.95);
    
    /* Text Colors - Light Mode */
    --color-text-primary: #1f2937;
    --color-text-secondary: #6b7280;
    --color-text-tertiary: #9ca3af;
    --color-text-inverse: #ffffff;
    
    /* Border Colors */
    --color-border-light: #e5e7eb;
    --color-border-medium: #d1d5db;
    --color-border-dark: #9ca3af;
    
    /* Shadow System */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 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);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    
    /* Spacing Scale */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Typography */
    --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
    
    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

/* Dark Mode Theme */
[data-theme="dark"] {
    /* Background Colors - Dark Mode */
    --color-bg-primary: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-tertiary: #334155;
    --color-bg-nav: #020617;
    --color-bg-card: #1e293b;
    --color-bg-overlay: rgba(15, 23, 42, 0.95);
    
    /* Text Colors - Dark Mode */
    --color-text-primary: #f8fafc;
    --color-text-secondary: #cbd5e1;
    --color-text-tertiary: #94a3b8;
    --color-text-inverse: #0f172a;
    
    /* Border Colors - Dark Mode */
    --color-border-light: #334155;
    --color-border-medium: #475569;
    --color-border-dark: #64748b;
    
    /* Adjust shadows for dark mode */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

/* Global Styles */
* {
    box-sizing: border-box;
}

html {
    transition: var(--transition-normal);
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: var(--font-family-sans);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    transition: background-color var(--transition-normal), color var(--transition-normal);
    line-height: 1.6;
    font-size: 0.9375rem; /* 15px */
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography Scale */
h1, .h1 {
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

h2, .h2 {
    font-size: 1.875rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

h3, .h3 {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

h4, .h4 {
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

h5, .h5 {
    font-size: 1.125rem;
    font-weight: 500;
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

h6, .h6 {
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

/* Text utilities */
.text-large {
    font-size: 1.125rem;
    line-height: 1.6;
}

.text-small {
    font-size: 0.875rem;
    line-height: 1.5;
}

.text-xs {
    font-size: 0.75rem;
    line-height: 1.4;
}

.text-semibold {
    font-weight: 600;
}

.text-medium {
    font-weight: 500;
}

.text-light {
    font-weight: 300;
}

/* Code and monospace text */
code, kbd, pre, samp {
    font-family: var(--font-family-mono);
    font-size: 0.875em;
}

code {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    padding: 0.125rem 0.25rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

main {
    flex: 1;
    background-color: var(--color-bg-secondary);
    transition: background-color var(--transition-normal);
}

/* Navigation */
.navbar {
    background-color: var(--color-bg-nav) !important;
    box-shadow: var(--shadow-md);
    transition: background-color var(--transition-normal);
    border-bottom: 1px solid var(--color-border-light);
}

.navbar-brand {
    font-weight: 600;
    color: var(--color-text-inverse) !important;
    transition: color var(--transition-fast);
}

.navbar-brand i {
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

.navbar-brand:hover i {
    color: var(--color-primary-light);
}

.navbar-nav .nav-link {
    color: var(--color-text-inverse) !important;
    font-weight: 500;
    transition: color var(--transition-fast);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
}

.navbar-nav .nav-link:hover {
    color: var(--color-primary-light) !important;
    background-color: rgba(255, 255, 255, 0.1);
}

.navbar-nav .nav-link.active {
    color: var(--color-primary) !important;
    background-color: rgba(0, 255, 136, 0.1);
}

.navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 255, 136, 0.25);
}

/* Theme Toggle */
#themeToggle {
    background: none !important;
    border: none !important;
    padding: 0.5rem !important;
    margin: 0 0.25rem;
    color: var(--color-text-inverse) !important;
    transition: all var(--transition-fast);
    border-radius: var(--radius-md) !important;
}

#themeToggle:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
    color: var(--color-primary-light) !important;
    transform: scale(1.1);
}

#themeToggle:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 255, 136, 0.25) !important;
    outline: none;
}

#themeIcon {
    font-size: 1rem;
    transition: all var(--transition-fast);
}

/* Cards */
.card {
    border: 1px solid var(--color-border-light);
    background-color: var(--color-bg-card);
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    height: 100%;
    transition: all var(--transition-normal);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--color-border-medium);
}

.card-body {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: var(--spacing-lg);
    color: var(--color-text-primary);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color var(--transition-normal);
}

.card-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.card-text {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.connection-status {
    min-width: 28px;
    text-align: center;
    transition: all var(--transition-fast);
}

.connection-status i {
    font-size: 1.125rem;
}

.balance-section {
    flex-grow: 1;
}

.balance-content {
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
    color: var(--color-text-secondary);
}

.card-footer {
    background: var(--color-bg-tertiary);
    border-top: 1px solid var(--color-border-light);
    padding: var(--spacing-md);
    transition: background-color var(--transition-normal);
}

.btn-group {
    gap: var(--spacing-xs);
}

/* Stats Cards */
.stat-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: none;
    position: relative;
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-tertiary) 100%);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.stat-card .card-body {
    padding: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.stat-card h5 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.stat-card h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.2;
}

/* Tables */
.table {
    margin-bottom: 0;
    background-color: var(--color-bg-card);
    color: var(--color-text-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table th {
    border-top: none;
    border-bottom: 2px solid var(--color-border-light);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    padding: 1rem 0.75rem;
}

.table td {
    vertical-align: middle;
    padding: 0.875rem 0.75rem;
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-primary);
}

.table tbody tr {
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background-color: var(--color-bg-tertiary);
}

.table-responsive {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--color-bg-secondary);
}

.table-striped tbody tr:nth-of-type(odd):hover {
    background-color: var(--color-bg-tertiary);
}

/* Badges */
.badge {
    padding: 0.375rem 0.75rem;
    font-weight: 500;
    font-size: 0.75rem;
    border-radius: var(--radius-full);
    letter-spacing: 0.025em;
    line-height: 1.2;
    text-transform: uppercase;
}

.badge-primary {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.badge-secondary {
    background-color: var(--color-secondary);
    color: var(--color-text-inverse);
}

.badge-success {
    background-color: var(--color-success);
    color: var(--color-text-inverse);
}

.badge-warning {
    background-color: var(--color-warning);
    color: var(--color-text-inverse);
}

.badge-danger {
    background-color: var(--color-danger);
    color: var(--color-text-inverse);
}

.badge-info {
    background-color: var(--color-info);
    color: var(--color-text-inverse);
}

.badge-light {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-light);
}

.badge-dark {
    background-color: var(--color-text-primary);
    color: var(--color-bg-primary);
}

/* Status indicators */
.badge-online {
    background-color: var(--color-success);
    position: relative;
}

.badge-online::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0.5rem;
    width: 6px;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    transform: translateY(-50%);
    animation: pulse 2s infinite;
}

.badge-offline {
    background-color: var(--color-danger);
}

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

/* Forms */
.form-control {
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-medium);
    background-color: var(--color-bg-card);
    color: var(--color-text-primary);
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    font-family: var(--font-family-sans);
    transition: all var(--transition-fast);
}

.form-control:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 255, 136, 0.15);
    border-color: var(--color-primary);
    background-color: var(--color-bg-card);
    outline: none;
}

.form-control:disabled {
    background-color: var(--color-bg-tertiary);
    border-color: var(--color-border-light);
    color: var(--color-text-tertiary);
    opacity: 0.7;
}

.form-control::placeholder {
    color: var(--color-text-tertiary);
    opacity: 1;
}

.form-label {
    color: var(--color-text-primary);
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.form-text {
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
    margin-top: var(--spacing-xs);
}

.form-select {
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-medium);
    background-color: var(--color-bg-card);
    color: var(--color-text-primary);
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.form-select:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 255, 136, 0.15);
    border-color: var(--color-primary);
    outline: none;
}

.form-check-input {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border-medium);
    transition: all var(--transition-fast);
}

.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 255, 136, 0.15);
    outline: none;
}

.form-check-label {
    color: var(--color-text-primary);
    font-size: 0.9375rem;
}

/* Input Groups */
.input-group-text {
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-medium);
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
}

/* Form validation */
.is-valid {
    border-color: var(--color-success);
}

.is-valid:focus {
    border-color: var(--color-success);
    box-shadow: 0 0 0 0.2rem rgba(16, 185, 129, 0.15);
}

.is-invalid {
    border-color: var(--color-danger);
}

.is-invalid:focus {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 0.2rem rgba(239, 68, 68, 0.15);
}

.valid-feedback {
    color: var(--color-success);
    font-size: 0.8125rem;
    margin-top: var(--spacing-xs);
}

.invalid-feedback {
    color: var(--color-danger);
    font-size: 0.8125rem;
    margin-top: var(--spacing-xs);
}

/* Buttons */
.btn {
    border-radius: var(--radius-md);
    padding: 0.625rem 1.25rem;
    font-weight: 500;
    font-family: var(--font-family-sans);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    border: 1px solid;
    font-size: 0.875rem;
    line-height: 1.4;
}

.btn:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 255, 136, 0.25);
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    border-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: var(--color-text-inverse);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

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

.btn-secondary:hover {
    background-color: color-mix(in srgb, var(--color-secondary) 85%, black);
    border-color: color-mix(in srgb, var(--color-secondary) 85%, black);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: var(--color-text-inverse);
}

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

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

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

.btn-outline-secondary:hover {
    background-color: var(--color-bg-tertiary);
    border-color: var(--color-border-dark);
    color: var(--color-text-primary);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    border-radius: var(--radius-sm);
}

/* Charts */
canvas {
    max-width: 100%;
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: currentColor;
    opacity: 0.7;
}

.alert-primary {
    background-color: color-mix(in srgb, var(--color-primary) 10%, var(--color-bg-card));
    color: var(--color-primary);
    border: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
}

.alert-secondary {
    background-color: color-mix(in srgb, var(--color-secondary) 10%, var(--color-bg-card));
    color: var(--color-secondary);
    border: 1px solid color-mix(in srgb, var(--color-secondary) 20%, transparent);
}

.alert-success {
    background-color: color-mix(in srgb, var(--color-success) 10%, var(--color-bg-card));
    color: var(--color-success);
    border: 1px solid color-mix(in srgb, var(--color-success) 20%, transparent);
}

.alert-warning {
    background-color: color-mix(in srgb, var(--color-warning) 10%, var(--color-bg-card));
    color: var(--color-warning);
    border: 1px solid color-mix(in srgb, var(--color-warning) 20%, transparent);
}

.alert-danger {
    background-color: color-mix(in srgb, var(--color-danger) 10%, var(--color-bg-card));
    color: var(--color-danger);
    border: 1px solid color-mix(in srgb, var(--color-danger) 20%, transparent);
}

.alert-info {
    background-color: color-mix(in srgb, var(--color-info) 10%, var(--color-bg-card));
    color: var(--color-info);
    border: 1px solid color-mix(in srgb, var(--color-info) 20%, transparent);
}

/* Modals */
.modal-content {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    background-color: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding: var(--spacing-lg);
}

.modal-title {
    color: var(--color-text-primary);
    font-weight: 600;
    font-size: 1.125rem;
}

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

.modal-footer {
    background-color: var(--color-bg-tertiary);
    border-top: 1px solid var(--color-border-light);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    padding: var(--spacing-lg);
}

.btn-close {
    filter: var(--bs-btn-close-white-filter, none);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.btn-close:hover {
    opacity: 1;
}

/* Footer */
.footer {
    background-color: var(--color-bg-nav);
    color: var(--color-text-inverse);
    padding: var(--spacing-lg) 0;
    margin-top: auto;
    border-top: 1px solid var(--color-border-light);
    transition: background-color var(--transition-normal);
}

.footer .container {
    font-size: 0.875rem;
    font-weight: 500;
}

/* Modern Card Variations */
.card-glass {
    background: var(--color-bg-overlay);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .card-glass {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.card-elevated {
    transform: translateY(0);
    transition: all var(--transition-normal);
}

.card-elevated:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.card-gradient {
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-tertiary) 100%);
    position: relative;
    overflow: hidden;
}

.card-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-info));
}

/* Loading States & Skeleton Screens */
.skeleton {
    background: linear-gradient(90deg, var(--color-bg-tertiary) 25%, var(--color-bg-secondary) 50%, var(--color-bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: var(--radius-md);
}

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

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-text.short {
    width: 60%;
}

.skeleton-text.medium {
    width: 80%;
}

.skeleton-text.long {
    width: 95%;
}

.skeleton-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
}

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

/* Progressive Disclosure */
.card-expandable {
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card-expandable .card-body {
    transition: padding var(--transition-normal);
}

.card-expandable.expanded {
    max-height: none;
}

.card-expandable .expansion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
    opacity: 0;
}

.card-expandable.expanded .expansion-content {
    max-height: 500px;
    opacity: 1;
    margin-top: var(--spacing-md);
}

.expand-toggle {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.expand-toggle:hover {
    color: var(--color-primary-dark);
}

.expand-toggle i {
    transition: transform var(--transition-fast);
}

.card-expandable.expanded .expand-toggle i {
    transform: rotate(180deg);
}

/* Bot Card Enhancements */
.bot-card {
    position: relative;
    overflow: hidden;
}

.bot-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    transition: all var(--transition-slow);
    opacity: 0;
}

.bot-card:hover::after {
    animation: shine 0.6s ease-in-out;
}

@keyframes shine {
    0% {
        top: -50%;
        right: -50%;
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        top: 150%;
        right: 150%;
        opacity: 0;
    }
}

.bot-status-indicator {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--color-success);
    box-shadow: 0 0 0 2px var(--color-bg-card), 0 0 0 4px rgba(16, 185, 129, 0.3);
    transition: all var(--transition-fast);
}

.bot-status-indicator.offline {
    background-color: var(--color-danger);
    box-shadow: 0 0 0 2px var(--color-bg-card), 0 0 0 4px rgba(239, 68, 68, 0.3);
}

.bot-status-indicator.warning {
    background-color: var(--color-warning);
    box-shadow: 0 0 0 2px var(--color-bg-card), 0 0 0 4px rgba(245, 158, 11, 0.3);
    animation: pulse-warning 2s infinite;
}

@keyframes pulse-warning {
    0%, 100% {
        box-shadow: 0 0 0 2px var(--color-bg-card), 0 0 0 4px rgba(245, 158, 11, 0.3);
    }
    50% {
        box-shadow: 0 0 0 2px var(--color-bg-card), 0 0 0 8px rgba(245, 158, 11, 0.1);
    }
}

/* Dashboard Cards */
.dashboard-card {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-tertiary) 100%);
}

.dashboard-card .card-icon {
    position: absolute;
    top: -10px;
    right: -10px;
    font-size: 4rem;
    color: var(--color-primary);
    opacity: 0.1;
    transform: rotate(-15deg);
}

.metric-trend {
    display: inline-flex;
    align-items: center;
    font-size: 0.875rem;
    font-weight: 500;
    margin-top: 0.25rem;
}

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

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

.metric-trend.neutral {
    color: var(--color-text-secondary);
}

.metric-trend i {
    margin-right: 0.25rem;
    font-size: 0.75rem;
}

/* Make cards same height in their row */
.row {
    display: flex;
    flex-wrap: wrap;
}

.col-md-4 {
    display: flex;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .table-responsive {
        margin-bottom: 1rem;
    }
    
    .card-glass {
        backdrop-filter: blur(5px);
        -webkit-backdrop-filter: blur(5px);
    }
    
    .bot-card::after {
        display: none; /* Disable shine effect on mobile for performance */
    }
}

/* Enhanced Navigation & Layout */
.navbar-nav .nav-item .dropdown-menu {
    border: none;
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-lg);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    margin-top: 0.5rem;
    padding: 0;
    min-width: 320px;
    max-width: 400px;
}

.notification-menu {
    max-height: 400px;
    overflow: hidden;
}

.dropdown-header {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    font-weight: 600;
    font-size: 0.875rem;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.notification-filter {
    color: var(--color-text-secondary) !important;
    font-size: 0.75rem;
    font-weight: 500;
    text-decoration: none;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.notification-filter:hover,
.notification-filter.active {
    color: var(--color-primary) !important;
    background-color: rgba(0, 255, 136, 0.1);
}

.notification-items {
    max-height: 300px;
    overflow-y: auto;
    padding: 0;
}

.notification-item {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
    transition: background-color var(--transition-fast);
    cursor: pointer;
    position: relative;
}

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

.notification-item:last-child {
    border-bottom: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.notification-item.unread {
    background-color: rgba(0, 255, 136, 0.05);
    border-left: 3px solid var(--color-primary);
}

.notification-item.unread::before {
    content: '';
    position: absolute;
    top: 50%;
    right: var(--spacing-md);
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 50%;
    transform: translateY(-50%);
}

.notification-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.notification-message {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
    margin-bottom: 0.25rem;
}

.notification-time {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    font-weight: 500;
}

.notification-icon {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    color: var(--color-text-inverse);
}

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

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

.notification-icon.danger {
    background-color: var(--color-danger);
}

.notification-icon.info {
    background-color: var(--color-info);
}

.notification-content {
    margin-left: 3rem;
}

/* Notification Bell Enhancement */
.notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    font-size: 0.65rem;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -4px, 0);
    }
    70% {
        transform: translate3d(0, -2px, 0);
    }
    90% {
        transform: translate3d(0, -1px, 0);
    }
}

#notificationBell {
    position: relative;
    transition: all var(--transition-fast);
}

#notificationBell:hover {
    color: var(--color-primary-light) !important;
    transform: scale(1.1);
}

/* Breadcrumb Navigation */
.breadcrumb {
    background-color: transparent;
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
}

.breadcrumb-item {
    color: var(--color-text-secondary);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: ">";
    color: var(--color-text-tertiary);
    font-weight: 600;
}

.breadcrumb-item.active {
    color: var(--color-text-primary);
    font-weight: 500;
}

.breadcrumb-item a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
    color: var(--color-primary-dark);
}

/* Sticky Elements */
.sticky-top {
    background-color: var(--color-bg-overlay);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-light);
    transition: all var(--transition-normal);
}

/* Enhanced Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background-color: var(--color-border-dark);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--color-primary);
}

/* Mobile Navigation Enhancements */
@media (max-width: 768px) {
    .navbar-collapse {
        background-color: var(--color-bg-nav);
        border-radius: var(--radius-lg);
        padding: var(--spacing-md);
        margin-top: var(--spacing-sm);
        box-shadow: var(--shadow-lg);
    }
    
    .notification-menu {
        min-width: 280px;
        max-width: 90vw;
    }
    
    .navbar-nav .nav-item .dropdown-menu {
        position: fixed !important;
        top: 60px !important;
        right: 1rem !important;
        left: 1rem !important;
        transform: none !important;
        width: auto !important;
        min-width: auto !important;
        max-width: none !important;
    }
}