/* ========================================
   Proxy Aggregator Admin - Modern Dark Theme
   ======================================== */

/* CSS Variables */
:root {
    /* Background Colors */
    --bg-base: #0d0d14;
    --bg-elevated: #12121c;
    --bg-surface: #181824;
    --bg-hover: #1f1f2e;
    --bg-input: #0a0a10;

    /* Accent Colors */
    --accent-primary: #00d9ff;
    --accent-secondary: #0ea5e9;
    --accent-muted: rgba(0, 217, 255, 0.15);

    /* Text Colors */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Semantic Colors */
    --success: #22c55e;
    --success-muted: rgba(34, 197, 94, 0.15);
    --warning: #f59e0b;
    --warning-muted: rgba(245, 158, 11, 0.15);
    --error: #ef4444;
    --error-muted: rgba(239, 68, 68, 0.15);
    --info: #3b82f6;
    --info-muted: rgba(59, 130, 246, 0.15);

    /* Borders */
    --border-color: #2a2a3d;
    --border-focus: var(--accent-primary);

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 20px rgba(0, 217, 255, 0.4);
    --shadow-glow-sm: 0 0 10px rgba(0, 217, 255, 0.2);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 {
    font-size: 1.875rem;
    margin-bottom: var(--spacing-lg);
}

h2 {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--accent-secondary);
}

code {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

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

@keyframes glow {
    0%, 100% { box-shadow: var(--shadow-glow-sm); }
    50% { box-shadow: var(--shadow-glow); }
}

.fade-in {
    animation: fadeIn var(--transition-normal) ease forwards;
}

.slide-up {
    animation: slideUp var(--transition-normal) ease forwards;
}

/* ========================================
   Navbar
   ======================================== */
.navbar {
    background: var(--bg-elevated);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.nav-brand a {
    color: var(--accent-primary);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    text-decoration: none;
    transition: text-shadow var(--transition-fast);
}

.nav-brand a:hover {
    text-shadow: var(--shadow-glow-sm);
}

.nav-links {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-links a:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.nav-links a.active {
    color: var(--accent-primary);
    background: var(--accent-muted);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--accent-primary);
    border-radius: var(--radius-full);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.nav-user span {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
}

/* ========================================
   Cards
   ======================================== */
.card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.card:hover {
    border-color: rgba(0, 217, 255, 0.2);
    box-shadow: var(--shadow-md);
}

.card h2 {
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   Stats Grid
   ======================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow-sm);
}

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

.stat-value {
    display: block;
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1.2;
    font-family: 'JetBrains Mono', monospace;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: var(--spacing-xs);
}

/* Stat card variants */
.stat-card.success .stat-value { color: var(--success); }
.stat-card.warning .stat-value { color: var(--warning); }
.stat-card.error .stat-value { color: var(--error); }

/* ========================================
   Progress Bar
   ======================================== */
.progress-container {
    margin: var(--spacing-lg) 0;
}

.progress-bar {
    height: 8px;
    background: var(--bg-input);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
    position: relative;
}

.progress-fill.animated {
    animation: glow 2s ease-in-out infinite;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

.progress-stats {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.progress-stats .current {
    color: var(--accent-primary);
    font-weight: 600;
}

/* ========================================
   Live Stats Panel
   ======================================== */
.live-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.live-stat {
    text-align: center;
    padding: var(--spacing-sm);
}

.live-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-primary);
}

.live-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.live-stat.collected .live-stat-value { color: var(--info); }
.live-stat.unique .live-stat-value { color: var(--warning); }
.live-stat.tested .live-stat-value { color: var(--accent-primary); }
.live-stat.working .live-stat-value { color: var(--success); }

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--bg-base);
    font-weight: 600;
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-secondary);
    box-shadow: var(--shadow-glow-sm);
}

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

.btn-secondary:hover:not(:disabled) {
    border-color: var(--text-muted);
    background: var(--bg-hover);
}

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

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.4);
}

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

.btn-ghost:hover:not(:disabled) {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-link {
    background: none;
    border: none;
    color: var(--accent-primary);
    padding: var(--spacing-sm) 0;
}

.btn-link:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8rem;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ========================================
   Tables
   ======================================== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table thead {
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table th {
    background: var(--bg-surface);
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 2px solid var(--border-color);
}

.data-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: background var(--transition-fast);
}

.data-table tbody tr {
    transition: all var(--transition-fast);
}

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

.data-table tbody tr:hover td {
    color: var(--text-primary);
}

/* Table row states */
.data-table tr.running {
    background: var(--warning-muted);
}

.data-table tr.failed {
    background: var(--error-muted);
}

.data-table tr.ok {
    border-left: 3px solid var(--success);
}

.data-table tr.fail {
    border-left: 3px solid var(--error);
    opacity: 0.7;
}

.data-table tr.ok:hover,
.data-table tr.fail:hover {
    opacity: 1;
}

/* Monospace data */
.data-table .ip,
.data-table .mono {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
}

/* Proxy table specific */
.proxy-table {
    border-radius: var(--radius-md);
    overflow: hidden;
}

/* ========================================
   Badges
   ======================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-pending {
    background: var(--bg-surface);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.badge-running {
    background: var(--warning-muted);
    color: var(--warning);
    animation: pulse 2s ease-in-out infinite;
}

.badge-completed {
    background: var(--success-muted);
    color: var(--success);
}

.badge-failed {
    background: var(--error-muted);
    color: var(--error);
}

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

.badge.ok {
    background: var(--success-muted);
    color: var(--success);
}

.badge.fail {
    background: var(--error-muted);
    color: var(--error);
}

/* ========================================
   Alerts
   ======================================== */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid;
    animation: slideUp var(--transition-normal) ease;
}

.alert-success {
    background: var(--success-muted);
    border-color: var(--success);
    color: var(--success);
}

.alert-error {
    background: var(--error-muted);
    border-color: var(--error);
    color: var(--error);
}

.alert-warning {
    background: var(--warning-muted);
    border-color: var(--warning);
    color: var(--warning);
}

.alert-info {
    background: var(--info-muted);
    border-color: var(--info);
    color: var(--info);
}

.alert-content {
    flex: 1;
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    opacity: 0.6;
    cursor: pointer;
    padding: var(--spacing-xs);
    font-size: 1.2rem;
    line-height: 1;
    transition: opacity var(--transition-fast);
}

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

/* ========================================
   Forms
   ======================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-input);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-muted);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group.checkbox {
    display: flex;
    align-items: center;
}

.form-group.checkbox label {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: 0;
    cursor: pointer;
}

.form-group.checkbox input {
    width: auto;
    accent-color: var(--accent-primary);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* Checkbox Grid */
.checkbox-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    max-height: 280px;
    overflow-y: auto;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.checkbox-label:hover {
    background: var(--bg-hover);
}

.checkbox-label input {
    accent-color: var(--accent-primary);
}

/* Checkbox Pills - Modern Tag Style */
.checkbox-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: var(--spacing-md);
    background: var(--bg-surface);
    border-radius: var(--radius-md);
}

.checkbox-pill {
    position: relative;
}

.checkbox-pill input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-pill label {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

.checkbox-pill label:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.checkbox-pill input:checked + label {
    background: var(--accent-muted);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    box-shadow: var(--shadow-glow-sm);
}

/* Collapsible Section */
.collapsible-section {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.collapsible-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--bg-surface);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.collapsible-header:hover {
    background: var(--bg-hover);
}

.collapsible-header h4 {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.collapsible-header .count {
    background: var(--accent-muted);
    color: var(--accent-primary);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
}

.collapsible-header .chevron {
    color: var(--text-muted);
    transition: transform var(--transition-fast);
}

.collapsible-section.open .chevron {
    transform: rotate(180deg);
}

.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.collapsible-section.open .collapsible-content {
    max-height: 400px;
}

.collapsible-body {
    padding: var(--spacing-md);
    padding-top: 0;
}

/* Search input for filters */
.filter-search {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.filter-search:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.filter-search::placeholder {
    color: var(--text-muted);
}

/* Quick select buttons */
.quick-select {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.quick-select button {
    padding: 4px 12px;
    font-size: 0.75rem;
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quick-select button:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* ========================================
   Multi-Select Dropdown
   ======================================== */
.multi-select {
    position: relative;
    width: 100%;
}

.multi-select-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 44px;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.multi-select-trigger:hover,
.multi-select.open .multi-select-trigger {
    border-color: var(--accent-primary);
}

.multi-select-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    flex: 1;
}

.multi-select-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: var(--accent-muted);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--accent-primary);
}

.multi-select-tag .flag {
    font-size: 1rem;
}

.multi-select-tag .remove {
    cursor: pointer;
    opacity: 0.7;
    margin-left: 2px;
}

.multi-select-tag .remove:hover {
    opacity: 1;
}

.multi-select-placeholder {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.multi-select-arrow {
    color: var(--text-muted);
    transition: transform var(--transition-fast);
    margin-left: var(--spacing-sm);
}

.multi-select.open .multi-select-arrow {
    transform: rotate(180deg);
}

.multi-select-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    display: none;
    max-height: 320px;
    overflow: hidden;
}

.multi-select.open .multi-select-dropdown {
    display: block;
    animation: slideUp var(--transition-fast) ease;
}

.multi-select-search {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.multi-select-search input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.multi-select-search input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.multi-select-options {
    max-height: 240px;
    overflow-y: auto;
    padding: var(--spacing-sm) 0;
}

.multi-select-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.multi-select-option:hover {
    background: var(--bg-hover);
}

.multi-select-option.selected {
    background: var(--accent-muted);
}

.multi-select-option .flag {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.multi-select-option .code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-primary);
    min-width: 30px;
}

.multi-select-option .name {
    color: var(--text-secondary);
    font-size: 0.85rem;
    flex: 1;
}

.multi-select-option .check {
    color: var(--accent-primary);
    opacity: 0;
}

.multi-select-option.selected .check {
    opacity: 1;
}

.multi-select-empty {
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Hidden checkboxes for form submission */
.multi-select-hidden {
    display: none;
}

/* Filter Forms */
.filters-form {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-end;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.filter-group label {
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.filter-group select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 0.9rem;
    min-width: 140px;
}

.filter-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* ========================================
   Pagination
   ======================================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.page-info {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========================================
   Control Section
   ======================================== */
.control-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.status-info {
    flex: 1;
}

.status-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.status-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    min-width: 100px;
}

.status-value {
    font-weight: 600;
    font-size: 0.95rem;
}

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

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

/* ========================================
   Details Section
   ======================================== */
.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.detail-card h3 {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: var(--spacing-md);
}

.tag-list {
    list-style: none;
    max-height: 200px;
    overflow-y: auto;
}

.tag-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.tag-list li:last-child {
    border-bottom: none;
}

.tag {
    background: var(--accent-muted);
    color: var(--accent-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
}

.tag-sm {
    background: var(--bg-surface);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    margin-right: var(--spacing-xs);
    color: var(--text-secondary);
}

/* ========================================
   Info Grid
   ======================================== */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.info-item {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
}

.info-label {
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: var(--spacing-xs);
    display: block;
}

/* ========================================
   Login Page
   ======================================== */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: radial-gradient(ellipse at center, var(--bg-elevated) 0%, var(--bg-base) 100%);
    padding: var(--spacing-lg);
}

.login-box {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xl) var(--spacing-xl);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
    animation: slideUp var(--transition-slow) ease;
}

.login-box h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--accent-primary);
    font-size: 1.5rem;
}

.login-logo {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.login-logo svg {
    width: 64px;
    height: 64px;
    fill: var(--accent-primary);
}

/* ========================================
   URL Code
   ======================================== */
.url-code {
    background: var(--bg-surface);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--accent-primary);
    border: 1px solid var(--border-color);
}

/* ========================================
   Toast Notifications
   ======================================== */
.toast {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    animation: slideUp var(--transition-normal) ease;
}

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

.toast.error {
    border-color: var(--error);
}

/* ========================================
   Actions
   ======================================== */
.actions {
    white-space: nowrap;
    display: flex;
    gap: var(--spacing-sm);
}

.actions-bar {
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   Empty State
   ======================================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

.empty-state p {
    margin-bottom: var(--spacing-md);
}

/* ========================================
   Section
   ======================================== */
section {
    margin-bottom: var(--spacing-xl);
    animation: fadeIn var(--transition-normal) ease;
}

section:nth-child(2) { animation-delay: 50ms; }
section:nth-child(3) { animation-delay: 100ms; }
section:nth-child(4) { animation-delay: 150ms; }

/* ========================================
   Text Utilities
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .live-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .control-grid {
        flex-direction: column;
        align-items: stretch;
    }

    .data-table {
        font-size: 0.8rem;
    }

    .data-table th,
    .data-table td {
        padding: var(--spacing-sm);
    }

    .filters-form {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group select {
        width: 100%;
    }

    .container {
        padding: var(--spacing-md);
    }

    h1 {
        font-size: 1.5rem;
    }
}

/* ========================================
   Sortable Table Headers
   ======================================== */
.data-table th.sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-right: 24px;
    transition: all var(--transition-fast);
}

.data-table th.sortable:hover {
    color: var(--accent-primary);
    background: var(--bg-hover);
}

.data-table th.sortable::after {
    content: '';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    border: 4px solid transparent;
    border-top-color: var(--text-muted);
    margin-top: 2px;
}

.data-table th.sortable::before {
    content: '';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    border: 4px solid transparent;
    border-bottom-color: var(--text-muted);
    margin-top: -6px;
}

.data-table th.sortable.sort-asc::after {
    border-top-color: var(--accent-primary);
}

.data-table th.sortable.sort-asc::before {
    border-bottom-color: var(--text-muted);
    opacity: 0.3;
}

.data-table th.sortable.sort-desc::before {
    border-bottom-color: var(--accent-primary);
}

.data-table th.sortable.sort-desc::after {
    border-top-color: var(--text-muted);
    opacity: 0.3;
}

/* ========================================
   Ping Color Indicators
   ======================================== */
.ping-fast { color: var(--success) !important; }
.ping-medium { color: var(--warning) !important; }
.ping-slow { color: var(--error) !important; }

.ping-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.ping-indicator::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.ping-fast .ping-indicator::before,
.ping-indicator.fast::before { background: var(--success); }
.ping-medium .ping-indicator::before,
.ping-indicator.medium::before { background: var(--warning); }
.ping-slow .ping-indicator::before,
.ping-indicator.slow::before { background: var(--error); }

/* ========================================
   Reliability Indicator
   ======================================== */
.reliability-high { color: var(--success) !important; }
.reliability-medium { color: var(--warning) !important; }
.reliability-low { color: var(--error) !important; }

.reliability-bar {
    width: 60px;
    height: 6px;
    background: var(--bg-input);
    border-radius: var(--radius-full);
    overflow: hidden;
    display: inline-block;
    vertical-align: middle;
    margin-right: 8px;
}

.reliability-bar-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

.reliability-bar-fill.high { background: var(--success); }
.reliability-bar-fill.medium { background: var(--warning); }
.reliability-bar-fill.low { background: var(--error); }

/* ========================================
   Quick Stats Bar
   ======================================== */
.quick-stats-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.quick-stats-bar .stats-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.quick-stats-bar .stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.quick-stats-bar .stat-item strong {
    color: var(--accent-primary);
    font-family: 'JetBrains Mono', monospace;
}

.quick-stats-bar .stat-item .divider {
    color: var(--text-muted);
}

.quick-stats-bar .actions-right {
    display: flex;
    gap: var(--spacing-sm);
}

/* ========================================
   Copy Button
   ======================================== */
.btn-copy {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

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

.btn-copy svg {
    width: 16px;
    height: 16px;
}

/* ========================================
   Proxy Table Enhanced
   ======================================== */
.proxy-table-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
}

.proxy-table .country-cell {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.proxy-table .country-flag {
    font-size: 1.2rem;
}

.proxy-table .country-code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.proxy-table .protocol-badge {
    display: inline-block;
    padding: 2px 8px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.proxy-table .protocol-badge.ss { border-color: #6366f1; color: #6366f1; }
.proxy-table .protocol-badge.vmess { border-color: #8b5cf6; color: #8b5cf6; }
.proxy-table .protocol-badge.vless { border-color: #a855f7; color: #a855f7; }
.proxy-table .protocol-badge.trojan { border-color: #ec4899; color: #ec4899; }
.proxy-table .protocol-badge.hysteria { border-color: #f43f5e; color: #f43f5e; }
.proxy-table .protocol-badge.hysteria2 { border-color: #f43f5e; color: #f43f5e; }
.proxy-table .protocol-badge.socks5 { border-color: #22c55e; color: #22c55e; }
.proxy-table .protocol-badge.http { border-color: #eab308; color: #eab308; }

.proxy-table .speed-cell {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
}

.proxy-table .speed-fast { color: var(--success); }
.proxy-table .speed-medium { color: var(--warning); }
.proxy-table .speed-slow { color: var(--text-muted); }

/* ========================================
   Compact Filters
   ======================================== */
.filters-compact {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: flex-end;
    padding: var(--spacing-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.filters-compact .filter-group {
    flex: 0 0 auto;
}

.filters-compact .filter-group.wide {
    flex: 1;
    min-width: 200px;
}

.filters-compact .filter-group label {
    margin-bottom: 4px;
}

.filters-compact .filter-group input,
.filters-compact .filter-group select {
    height: 38px;
    min-width: 120px;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-input);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
}

.filters-compact .filter-group input:focus,
.filters-compact .filter-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-muted);
}

.filters-compact .filter-group input::placeholder {
    color: var(--text-muted);
}

.filters-compact .filter-group input[type="number"] {
    width: 110px;
}

.filters-compact .filter-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-left: auto;
}

/* Toast container */
#toast-container {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

::-webkit-scrollbar-track {
    background: var(--bg-base);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}