/* ===========================================
   GBTECH ADMIN DASHBOARD STYLESHEET
   Author: GBTech Admin Team
   Version: 3.0
   Date: 2024-01-17
   =========================================== */

/* CSS Variables */
:root {
    /* Admin Color Scheme */
    --admin-primary: #2c3e50;
    --admin-secondary: #34495e;
    --admin-accent: #3498db;
    --admin-success: #27ae60;
    --admin-warning: #f39c12;
    --admin-danger: #e74c3c;
    --admin-info: #17a2b8;
    
    /* Sidebar Colors */
    --sidebar-bg: #1a252f;
    --sidebar-text: #bdc3c7;
    --sidebar-hover: #2c3e50;
    --sidebar-active: #3498db;
    
    /* Content Colors */
    --content-bg: #f5f6fa;
    --card-bg: #ffffff;
    --border-color: #e0e0e0;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
}

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

html {
    font-size: 16px;
    height: 100%;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--content-bg);
    color: var(--text-primary);
    line-height: 1.6;
    height: 100%;
    overflow-x: hidden;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--space-lg);
}

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

.loading-content p {
    font-size: 1.2rem;
    margin-bottom: var(--space-xs);
}

.loading-subtext {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Login Modal */
.login-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9998;
    padding: var(--space-lg);
}

.login-container {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    padding: var(--space-2xl);
}

.login-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.login-header img {
    margin-bottom: var(--space-md);
}

.login-header h2 {
    color: var(--admin-primary);
    margin-bottom: var(--space-xs);
    font-size: 1.8rem;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Login Form */
#adminLoginForm .form-group {
    margin-bottom: var(--space-lg);
}

#adminLoginForm label {
    display: block;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

#adminLoginForm label i {
    color: var(--admin-accent);
}

#adminLoginForm input {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: var(--transition-normal);
}

#adminLoginForm input:focus {
    outline: none;
    border-color: var(--admin-accent);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.password-input {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-xs);
}

.btn-login {
    width: 100%;
    padding: var(--space-md);
    background: linear-gradient(135deg, var(--admin-accent), #2980b9);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

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

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

.login-security {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.login-security p {
    margin-bottom: var(--space-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.login-security i {
    color: var(--admin-success);
}

.login-error {
    margin-top: var(--space-md);
    padding: var(--space-md);
    background-color: #fee;
    color: var(--admin-danger);
    border-radius: 6px;
    text-align: center;
    font-size: 0.9rem;
}

/* Admin Container */
.admin-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Admin Header */
.admin-header {
    background: white;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-lg);
    height: 70px;
    z-index: 100;
    position: sticky;
    top: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.menu-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: 4px;
    transition: var(--transition-fast);
}

.menu-toggle:hover {
    background-color: var(--content-bg);
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.admin-brand img {
    border-radius: 6px;
}

.admin-brand h1 {
    font-size: 1.2rem;
    color: var(--admin-primary);
    margin-bottom: 2px;
}

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

.header-center {
    flex: 1;
    max-width: 500px;
    margin: 0 var(--space-xl);
}

.search-box {
    position: relative;
}

.search-box i {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.search-box input {
    width: 100%;
    padding: var(--space-md) var(--space-md) var(--space-md) 40px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    transition: var(--transition-normal);
}

.search-box input:focus {
    outline: none;
    border-color: var(--admin-accent);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

/* Notification Dropdown */
.notification-dropdown {
    position: relative;
}

.notification-btn {
    background: none;
    border: none;
    position: relative;
    cursor: pointer;
    padding: var(--space-sm);
    color: var(--text-primary);
    font-size: 1.2rem;
}

.notification-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--admin-danger);
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.notification-menu {
    position: absolute;
    top: 100%;
    right: 0;
    width: 350px;
    background: white;
    box-shadow: var(--shadow-lg);
    border-radius: 8px;
    display: none;
    z-index: 1000;
}

.notification-dropdown:hover .notification-menu {
    display: block;
}

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

.notification-header h3 {
    font-size: 1rem;
    color: var(--text-primary);
}

.mark-all-read {
    background: none;
    border: none;
    color: var(--admin-accent);
    cursor: pointer;
    font-size: 0.9rem;
}

.notification-list {
    max-height: 400px;
    overflow-y: auto;
}

.notification-item {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    transition: var(--transition-fast);
}

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

.notification-item.unread {
    background-color: #f0f7ff;
}

.notification-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notification-icon.info {
    background-color: #e3f2fd;
    color: var(--admin-accent);
}

.notification-icon.success {
    background-color: #e8f5e9;
    color: var(--admin-success);
}

.notification-icon.warning {
    background-color: #fff3e0;
    color: var(--admin-warning);
}

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

.notification-content h4 {
    font-size: 0.9rem;
    margin-bottom: 2px;
    color: var(--text-primary);
}

.notification-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

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

.notification-footer {
    padding: var(--space-md) var(--space-lg);
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.notification-footer a {
    color: var(--admin-accent);
    text-decoration: none;
    font-size: 0.9rem;
}

/* Profile Dropdown */
.profile-dropdown {
    position: relative;
}

.profile-btn {
    background: none;
    border: none;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    padding: var(--space-xs) var(--space-sm);
    border-radius: 6px;
    transition: var(--transition-fast);
}

.profile-btn:hover {
    background-color: var(--content-bg);
}

.profile-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

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

.profile-btn i {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.profile-menu {
    position: absolute;
    top: 100%;
    right: 0;
    width: 300px;
    background: white;
    box-shadow: var(--shadow-lg);
    border-radius: 8px;
    display: none;
    z-index: 1000;
}

.profile-dropdown:hover .profile-menu {
    display: block;
}

.profile-info {
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.profile-info img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--admin-accent);
}

.profile-info h4 {
    font-size: 1rem;
    margin-bottom: 2px;
    color: var(--text-primary);
}

.profile-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.user-role {
    font-size: 0.8rem;
    color: var(--admin-accent);
    display: flex;
    align-items: center;
    gap: 4px;
}

.profile-links {
    padding: var(--space-md) 0;
}

.profile-links a {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-lg);
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.profile-links a:hover {
    background-color: var(--content-bg);
    color: var(--admin-accent);
}

.profile-links a i {
    width: 20px;
    text-align: center;
}

.profile-links hr {
    margin: var(--space-md) 0;
    border: none;
    border-top: 1px solid var(--border-color);
}

.logout-btn {
    color: var(--admin-danger) !important;
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: var(--space-sm);
}

.quick-action-btn {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    border: 2px solid var(--border-color);
    background: white;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.quick-action-btn:hover {
    border-color: var(--admin-accent);
    color: var(--admin-accent);
}

/* Admin Main Layout */
.admin-main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar */
.admin-sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    transition: var(--transition-normal);
    overflow-y: auto;
    flex-shrink: 0;
}

.admin-sidebar.collapsed {
    width: 70px;
}

.sidebar-nav {
    padding: var(--space-lg) 0;
}

.nav-section {
    margin-bottom: var(--space-xl);
}

.nav-section h3 {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: #95a5a6;
    padding: 0 var(--space-lg) var(--space-sm);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.nav-section ul {
    list-style: none;
}

.nav-section li {
    margin-bottom: 2px;
}

.nav-section a {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    color: var(--sidebar-text);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
}

.nav-section a:hover {
    background-color: var(--sidebar-hover);
    color: white;
}

.nav-section a.active {
    background-color: var(--sidebar-active);
    color: white;
    border-left: 4px solid white;
}

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

.nav-badge {
    margin-left: auto;
    background-color: var(--admin-accent);
    color: white;
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

.nav-badge.new {
    background-color: var(--admin-success);
}

.nav-badge.warning {
    background-color: var(--admin-warning);
}

/* Sidebar Stats */
.sidebar-stats {
    padding: var(--space-lg);
    background-color: rgba(0,0,0,0.2);
    margin: var(--space-xl) var(--space-lg) 0;
    border-radius: 8px;
}

.sidebar-stats h4 {
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.stat-item span {
    font-size: 0.85rem;
}

.stat-item strong {
    font-size: 1rem;
    color: white;
}

/* Admin Content */
.admin-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-xl);
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

/* Section Header */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2xl);
}

.section-header h2 {
    font-size: 1.8rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.date-range, .analytics-period {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 6px;
}

.date-range select, .analytics-period select {
    border: none;
    background: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
}

.btn-export {
    padding: var(--space-sm) var(--space-lg);
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: var(--transition-fast);
}

.btn-export:hover {
    border-color: var(--admin-accent);
    color: var(--admin-accent);
}

/* Filter Buttons */
.filter-buttons {
    display: flex;
    gap: var(--space-sm);
}

.filter-btn {
    padding: var(--space-sm) var(--space-md);
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--admin-accent);
    color: var(--admin-accent);
}

.filter-btn.active {
    background-color: var(--admin-accent);
    border-color: var(--admin-accent);
    color: white;
}

.btn-primary {
    padding: var(--space-sm) var(--space-lg);
    background: linear-gradient(135deg, var(--admin-accent), #2980b9);
    border: none;
    border-radius: 6px;
    color: white;
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: var(--transition-fast);
}

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

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.metric-card {
    background: white;
    border-radius: 10px;
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    transition: var(--transition-normal);
    border-left: 4px solid transparent;
}

.metric-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.metric-card.revenue {
    border-left-color: var(--admin-success);
}

.metric-card.leads {
    border-left-color: var(--admin-accent);
}

.metric-card.projects {
    border-left-color: var(--admin-warning);
}

.metric-card.conversion {
    border-left-color: var(--admin-info);
}

.metric-icon {
    width: 60px;
    height: 60px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.metric-card.revenue .metric-icon {
    background-color: #e8f5e9;
    color: var(--admin-success);
}

.metric-card.leads .metric-icon {
    background-color: #e3f2fd;
    color: var(--admin-accent);
}

.metric-card.projects .metric-icon {
    background-color: #fff3e0;
    color: var(--admin-warning);
}

.metric-card.conversion .metric-icon {
    background-color: #e1f5fe;
    color: var(--admin-info);
}

.metric-info h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.metric-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.metric-change {
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 4px;
}

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

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

/* Charts Row */
.charts-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.chart-card {
    background: white;
    border-radius: 10px;
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.chart-header h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.chart-controls {
    display: flex;
    gap: var(--space-xs);
}

.chart-btn {
    padding: var(--space-xs) var(--space-sm);
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--transition-fast);
}

.chart-btn:hover {
    border-color: var(--admin-accent);
    color: var(--admin-accent);
}

.chart-btn.active {
    background-color: var(--admin-accent);
    border-color: var(--admin-accent);
    color: white;
}

.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    font-size: 0.8rem;
}

.chart-container {
    height: 250px;
    position: relative;
}

/* Activity & Stats Row */
.activity-stats-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.activity-card, .stats-card {
    background: white;
    border-radius: 10px;
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
}

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

.card-header h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.btn-refresh {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    border: 2px solid var(--border-color);
    background: white;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.btn-refresh:hover {
    border-color: var(--admin-accent);
    color: var(--admin-accent);
}

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

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border-color);
}

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

.activity-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-icon.user {
    background-color: #e3f2fd;
    color: var(--admin-accent);
}

.activity-icon.lead {
    background-color: #e8f5e9;
    color: var(--admin-success);
}

.activity-icon.project {
    background-color: #fff3e0;
    color: var(--admin-warning);
}

.activity-icon.system {
    background-color: #f3e5f5;
    color: #9c27b0;
}

.activity-content h4 {
    font-size: 0.9rem;
    margin-bottom: 2px;
    color: var(--text-primary);
}

.activity-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.activity-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Performance Metrics */
.performance-metrics {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.performance-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.performance-item span {
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.progress-bar {
    flex: 2;
    height: 8px;
    background-color: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--admin-accent), #2980b9);
    border-radius: 4px;
    transition: width 1s ease;
}

.performance-item strong {
    width: 60px;
    text-align: right;
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* Table Card */
.table-card {
    background: white;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-2xl);
}

.table-card .card-header {
    padding: var(--space-lg);
    margin: 0;
    border-bottom: 1px solid var(--border-color);
}

.table-actions {
    display: flex;
    gap: var(--space-sm);
}

.btn-action {
    padding: var(--space-sm) var(--space-md);
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: var(--transition-fast);
}

.btn-action:hover {
    border-color: var(--admin-accent);
    color: var(--admin-accent);
}

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

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

.data-table thead {
    background-color: var(--content-bg);
}

.data-table th {
    padding: var(--space-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

.data-table th input[type="checkbox"] {
    margin-right: var(--space-xs);
}

.data-table td {
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

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

.status-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    display: inline-block;
}

.status-new {
    background-color: #e3f2fd;
    color: var(--admin-accent);
}

.status-contacted {
    background-color: #fff3e0;
    color: var(--admin-warning);
}

.status-qualified {
    background-color: #e8f5e9;
    color: var(--admin-success);
}

.status-converted {
    background-color: #f3e5f5;
    color: #9c27b0;
}

.status-lost {
    background-color: #ffebee;
    color: var(--admin-danger);
}

.table-actions-cell {
    display: flex;
    gap: var(--space-xs);
}

.table-btn {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background: white;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.table-btn:hover {
    border-color: var(--admin-accent);
    color: var(--admin-accent);
}

.table-btn.view:hover {
    border-color: var(--admin-info);
    color: var(--admin-info);
}

.table-btn.edit:hover {
    border-color: var(--admin-warning);
    color: var(--admin-warning);
}

.table-btn.delete:hover {
    border-color: var(--admin-danger);
    color: var(--admin-danger);
}

.table-footer {
    padding: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
}

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

.pagination {
    display: flex;
    gap: var(--space-xs);
}

.pagination-btn {
    width: 36px;
    height: 36px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background: white;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.pagination-btn:hover {
    border-color: var(--admin-accent);
    color: var(--admin-accent);
}

.pagination-btn.active {
    background-color: var(--admin-accent);
    border-color: var(--admin-accent);
    color: white;
}

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

/* Admin Footer */
.admin-footer {
    background: white;
    border-top: 1px solid var(--border-color);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.footer-left p {
    margin-bottom: 2px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 var(--space-xs);
}

.footer-links a:hover {
    color: var(--admin-accent);
}

.footer-right p {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--space-lg);
    display: none;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

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

.modal-header h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: 4px;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--content-bg);
    color: var(--admin-danger);
}

.modal-body {
    padding: var(--space-lg);
    overflow-y: auto;
    flex: 1;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .charts-row,
    .activity-stats-row {
        grid-template-columns: 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .admin-sidebar {
        position: fixed;
        left: -260px;
        top: 70px;
        bottom: 0;
        z-index: 100;
    }
    
    .admin-sidebar.active {
        left: 0;
    }
    
    .admin-content {
        padding: var(--space-lg);
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-lg);
    }
    
    .header-actions {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    .admin-header {
        flex-wrap: wrap;
        height: auto;
        padding: var(--space-md);
    }
    
    .header-center {
        order: 3;
        margin: var(--space-md) 0 0;
        max-width: 100%;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .table-footer {
        flex-direction: column;
        gap: var(--space-md);
        align-items: stretch;
    }
    
    .pagination {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .admin-content {
        padding: var(--space-md);
    }
    
    .modal-content {
        margin: var(--space-md);
    }
    
    .filter-buttons {
        flex-wrap: wrap;
    }
}

/* Print Styles */
@media print {
    .admin-header,
    .admin-sidebar,
    .admin-footer,
    .header-actions,
    .table-actions,
    .btn-action,
    .btn-export,
    .btn-refresh {
        display: none !important;
    }
    
    .admin-main {
        display: block;
    }
    
    .admin-content {
        padding: 0;
        overflow: visible;
    }
    
    .content-section {
        display: block !important;
        page-break-inside: avoid;
    }
    
    .metric-card,
    .chart-card,
    .activity-card,
    .stats-card,
    .table-card {
        box-shadow: none;
        border: 1px solid #ddd;
        page-break-inside: avoid;
    }
    
    .data-table {
        border: 1px solid #ddd;
    }
}