/* ============================================================================
   URL26X - ADMIN DASHBOARD STYLES
   Premium, Modern UI with Dark/Light Theme Support
   ============================================================================ */

/* ============================================================================
   CSS VARIABLES (Theme System)
   ============================================================================ */

:root {
    /* Colors - Dark Theme (Default) - URL26X Branding */
    --bg-primary: #0a0f1a;
    --bg-secondary: #111827;
    --bg-tertiary: #1f2937;
    --bg-card: #151c2c;
    --bg-hover: #1e293b;

    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --border-color: #1e293b;
    --border-light: #334155;

    --accent-primary: #2563eb;
    --accent-secondary: #3b82f6;
    --accent-gradient: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);

    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.5);

    /* Sizing */
    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;
    --header-height: 70px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f2f5;
    --bg-card: #ffffff;
    --bg-hover: #f0f2f5;

    --text-primary: #1a1a2e;
    --text-secondary: #4a4a5a;
    --text-muted: #8a8a9a;

    --border-color: #e0e0e8;
    --border-light: #f0f0f5;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.15);
}

/* ============================================================================
   RESET & BASE STYLES
   ============================================================================ */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

input, select, textarea {
    font-family: inherit;
    font-size: 0.95rem;
}

/* ============================================================================
   LOGIN SCREEN
   ============================================================================ */

.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    background-image:
        radial-gradient(ellipse at top, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    padding: 1rem;
}

.login-container {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header .logo {
    width: 70px;
    height: 70px;
    background: var(--accent-gradient);
    border-radius: 20px;
    display: flex;
    font-size: 2rem;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    font-size: 2rem;
    color: white;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.login-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.login-form .form-group {
    margin-bottom: 1.25rem;
}

.login-form label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.login-form input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.login-form input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

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

.password-input {
    position: relative;
}

.password-input input {
    padding-right: 3rem;
}

.toggle-password {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    color: var(--text-muted);
    padding: 0.5rem;
    transition: color var(--transition-fast);
}

.toggle-password:hover {
    color: var(--text-primary);
}

.login-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.login-footer p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

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

.btn-success:hover {
    background: #0ea572;
}

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

.btn-warning:hover {
    background: #e08c00;
}

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

.btn-danger:hover {
    background: #dc3030;
}

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

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

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--border-radius-sm);
}

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

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
}

/* ============================================================================
   DASHBOARD LAYOUT
   ============================================================================ */

.dashboard {
    display: flex;
    min-height: 100vh;
}

.hidden {
    display: none !important;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header .logo {
    width: 42px;
    height: 42px;
    background: var(--accent-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
}

.sidebar-header .logo-text {
    font-size: 1.15rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    color: var(--text-secondary);
    border-radius: var(--border-radius-sm);
    margin-bottom: 0.25rem;
    transition: all var(--transition-fast);
}

.nav-item i {
    width: 20px;
    font-size: 1.1rem;
    text-align: center;
}

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

.nav-item.active {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-toggle {
    display: none;
    background: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    padding: 0.5rem;
}

.header h1 {
    font-size: 1.35rem;
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pool-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.pool-badge i {
    color: var(--accent-primary);
}

/* Page Content */
.page-content {
    flex: 1;
    padding: 1.5rem;
    background: var(--bg-primary);
}

.page {
    display: none;
    animation: fadeIn 0.3s ease;
}

.page.active {
    display: block;
}

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

/* ============================================================================
   CARDS & COMPONENTS
   ============================================================================ */

.card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h2 {
    font-size: 1.05rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-header h2 i {
    color: var(--accent-primary);
}

.card-header .view-all {
    font-size: 0.85rem;
    font-weight: 500;
}

.card-body {
    padding: 1.5rem;
}

.card-body.no-padding {
    padding: 0;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: all var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.blue {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
}

.stat-icon.green {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.stat-icon.purple {
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-secondary);
}

.stat-icon.orange {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.stat-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
}

.stat-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.content-grid .full-width {
    grid-column: 1 / -1;
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.action-btn i {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.action-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* Status Chart */
.status-chart {
    max-width: 180px;
    margin: 0 auto 1rem;
}

.status-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.status-legend .legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.status-legend .legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

/* ============================================================================
   DATA TABLES
   ============================================================================ */

.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 1rem 1.25rem;
    text-align: left;
    white-space: nowrap;
}

.data-table th {
    background: var(--bg-tertiary);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.data-table td {
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

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

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

.data-table tbody tr.clickable-row td:not(.actions-cell) {
    cursor: pointer;
}

.data-table tbody tr.clickable-row:hover td:not(.actions-cell) {
    background: var(--bg-hover);
}

.data-table .url-cell {
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.data-table .actions-cell {
    display: flex;
    gap: 0.5rem;
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.status-badge.success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.status-badge.warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.status-badge.danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.status-badge i {
    font-size: 0.65rem;
}

/* ============================================================================
   PAGE HEADERS & SEARCH
   ============================================================================ */

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    min-width: 280px;
}

.search-box i {
    color: var(--text-muted);
}

.search-box input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-primary);
    outline: none;
}

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

/* ============================================================================
   MODALS
   ============================================================================ */

.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    animation: modalIn 0.25s ease;
}

.modal-content.modal-sm {
    max-width: 400px;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h2 {
    font-size: 1.15rem;
    font-weight: 600;
}

.modal-close {
    width: 36px;
    height: 36px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--danger);
    color: white;
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: calc(90vh - 150px);
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Form Elements */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
    outline: none;
}

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

.form-group .help-text {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.input-with-hint {
    position: relative;
}

.input-with-hint .hint {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    color: var(--accent-primary);
    pointer-events: none;
}

.current-balance {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    margin-bottom: 1.25rem;
}

.current-balance span {
    color: var(--text-secondary);
}

.current-balance strong {
    font-size: 1.25rem;
    color: var(--success);
}

/* Form Control */
.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
}

.form-control:disabled,
.form-control[readonly] {
    opacity: 0.7;
    cursor: not-allowed;
}

/* ============================================================================
   SETTINGS PAGE
   ============================================================================ */

.settings-group {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.setting-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.setting-item label {
    font-weight: 500;
    color: var(--text-secondary);
}

.setting-item input,
.setting-item select {
    max-width: 280px;
}

.theme-options {
    display: flex;
    gap: 0.5rem;
}

.theme-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}

.theme-btn:hover {
    background: var(--bg-hover);
}

.theme-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

.maintenance-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.help-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ============================================================================
   ANALYTICS PAGE
   ============================================================================ */

.chart-container {
    height: 300px;
    position: relative;
}

.performance-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.performance-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
}

.performance-rank {
    width: 32px;
    height: 32px;
    background: var(--accent-gradient);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: white;
}

.performance-info {
    flex: 1;
}

.performance-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.performance-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.performance-stats {
    text-align: right;
}

.performance-stats .clicks {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.performance-stats .label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.info-box {
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    margin-bottom: 1rem;
    display: flex;
    gap: 1rem;
}

.info-box:last-child {
    margin-bottom: 0;
}

.info-box i {
    font-size: 1.25rem;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.info-box p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.info-box .info-note {
    margin-top: 0.5rem;
    font-size: 0.85rem;
}

.info-box code {
    background: var(--bg-secondary);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.85rem;
    color: var(--accent-primary);
}

/* ============================================================================
   TOAST NOTIFICATIONS
   ============================================================================ */

#toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease;
    min-width: 300px;
    max-width: 400px;
}

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

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

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

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

.toast i {
    font-size: 1.25rem;
}

.toast.success i { color: var(--success); }
.toast.error i { color: var(--danger); }
.toast.warning i { color: var(--warning); }
.toast.info i { color: var(--info); }

.toast-message {
    flex: 1;
    font-size: 0.9rem;
}

.toast-close {
    background: none;
    color: var(--text-muted);
    padding: 0.25rem;
    font-size: 1rem;
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--text-primary);
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================================================
   LOADING OVERLAY
   ============================================================================ */

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 15, 35, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: block;
    }

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

    .quick-actions {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        min-width: 100%;
    }

    .header h1 {
        font-size: 1.15rem;
    }

    .pool-badge span {
        display: none;
    }

    .data-table th,
    .data-table td {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
    }

    .maintenance-actions {
        flex-direction: column;
    }

    .setting-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .setting-item input,
    .setting-item select {
        max-width: 100%;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-card {
        padding: 1.25rem;
    }

    .login-container {
        padding: 1.75rem;
    }

    #toast-container {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
    }

    .toast {
        min-width: auto;
        width: 100%;
    }
}

/* ============================================================================
   CAMPAIGN DETAILS MODAL
   ============================================================================ */

.modal-lg {
    max-width: 800px;
}

.campaign-detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.campaign-detail-title {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.campaign-detail-title h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.campaign-detail-actions {
    display: flex;
    gap: 0.5rem;
}

.detail-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.detail-stat-card {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.detail-stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.detail-stat-icon.blue { background: rgba(59, 130, 246, 0.15); color: var(--info); }
.detail-stat-icon.green { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.detail-stat-icon.purple { background: rgba(139, 92, 246, 0.15); color: var(--accent-secondary); }
.detail-stat-icon.orange { background: rgba(245, 158, 11, 0.15); color: var(--warning); }

.detail-stat-info {
    display: flex;
    flex-direction: column;
}

.detail-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.detail-stat-value {
    font-size: 1.25rem;
    font-weight: 700;
}

.detail-section {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

.detail-section h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.detail-section h4 i {
    color: var(--accent-primary);
}

.spend-analysis-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.spend-item {
    text-align: center;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

.spend-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.spend-value {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.info-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.info-value {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

.info-url {
    word-break: break-all;
    color: var(--accent-primary);
}

.chart-container-sm {
    height: 200px;
    margin-bottom: 0.75rem;
}

.chart-note {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    font-style: italic;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.metric-card {
    text-align: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 0.25rem;
}

.metric-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.metric-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.metric-bar-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 3px;
    transition: width 0.5s ease;
}

.metric-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin: 0 auto;
}

.metric-indicator.good { background: var(--success); }
.metric-indicator.warning { background: var(--warning); }
.metric-indicator.danger { background: var(--danger); }

.metric-subtext {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* View Details Button in Table */
.btn-view {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
}

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

@media (max-width: 768px) {
    .detail-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .info-grid {
        grid-template-columns: 1fr;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .campaign-detail-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .campaign-detail-actions {
        width: 100%;
        justify-content: flex-start;
    }
}

@media (max-width: 480px) {
    .detail-stats-grid {
        grid-template-columns: 1fr;
    }

    .spend-analysis-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================================
   USER MANAGEMENT STYLES
   ============================================================================ */

/* User Table Styles */
.user-cell {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: white;
    flex-shrink: 0;
}

.user-avatar-large {
    width: 64px;
    height: 64px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.user-avatar-sm {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: white;
    flex-shrink: 0;
}

.user-name {
    font-weight: 500;
    color: var(--text-primary);
}

/* User Details Modal */
.user-detail-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
}

.user-detail-info {
    flex: 1;
}

.user-detail-info h3 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.user-detail-info p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.user-detail-info .badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: var(--bg-hover);
    border-radius: 20px;
    color: var(--text-muted);
}

.user-detail-actions {
    display: flex;
    gap: 0.5rem;
}

/* Performance Stats Grid */
.performance-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.perf-stat {
    text-align: center;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
}

.perf-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.perf-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Transactions List */
.transactions-list {
    max-height: 300px;
    overflow-y: auto;
}

.transaction-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

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

.transaction-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.transaction-icon.credit {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.transaction-icon.debit {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.transaction-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.transaction-info strong {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.transaction-info span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.transaction-amount {
    font-weight: 600;
    font-size: 0.95rem;
}

.transaction-amount.credit {
    color: var(--success);
}

.transaction-amount.debit {
    color: var(--danger);
}

/* Small Data Table */
.data-table-sm {
    font-size: 0.85rem;
}

.data-table-sm th,
.data-table-sm td {
    padding: 0.6rem 0.75rem;
}

/* Edit User Modal */
.form-divider {
    height: 1px;
    background: var(--border-color);
    margin: 1.5rem 0;
}

.form-section-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.form-section-title i {
    color: var(--accent-primary);
}

.current-balance-display {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    margin-top: 0.5rem;
}

.current-balance-display span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.current-balance-display strong {
    color: var(--accent-primary);
    font-size: 1.1rem;
}

/* Change Password Modal */
.user-password-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    margin-bottom: 1.5rem;
}

.user-password-header div {
    display: flex;
    flex-direction: column;
}

.user-password-header strong {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.user-password-header span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.password-requirements {
    padding: 0.75rem;
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--border-radius-sm);
    border-left: 3px solid var(--info);
}

.password-requirements p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--info);
    margin: 0;
}

/* Empty State Small */
.empty-state-sm {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
}

.empty-state-sm i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    opacity: 0.5;
}

.empty-state-sm p {
    font-size: 0.9rem;
}

/* Stats Grid 4 Columns */
.stats-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Badge in Card Header */
.card-header .badge {
    padding: 0.35rem 0.75rem;
    background: var(--accent-gradient);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
}

/* Responsive User Management */
@media (max-width: 1024px) {
    .stats-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .user-detail-header {
        flex-direction: column;
        text-align: center;
    }

    .user-detail-actions {
        width: 100%;
        justify-content: center;
    }

    .stats-grid-4 {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .performance-stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }