/* Base Styles & Reset */
:root {
    --primary-color: #4f46e5;
    --primary-light: #6366f1;
    --primary-dark: #4338ca;
    --primary-bg: #e4f1ed;
    --secondary-color: #10b981;
    --secondary-light: #34d399;
    --secondary-dark: #059669;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --success-color: #10b981;
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-tertiary: #6b7280;
    --text-light: #9ca3af;
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-gray: #f3f4f6;
    --bg-dark: #111827;
    --border-color: #e5e7eb;
    --border-light: #f3f4f6;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 0.125rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;
    --transition-fast: 150ms;
    --transition-normal: 250ms;
    --transition-slow: 350ms;
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 80px;
    --header-height: 70px;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --font-display: 'Poppins', var(--font-sans);
}

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

*::-webkit-scrollbar {
    display: none !important;
}

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

body {
    font-family: 'Times New Roman', Times, serif;
    color: var(--text-primary);
    background-color: var(--bg-light);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    border: none;
    outline: none;
    background: none;
}

button {
    cursor: pointer;
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

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

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

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

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

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: white;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 100;
    transition: width var(--transition-normal) ease-in-out, transform var(--transition-normal) ease-in-out;
    /* display: flex; */
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
}

.sidebar-header {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    animation: pulse 2s infinite ease-in-out;
}

.logo-container h2 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.25rem;
    letter-spacing: 0.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.menu-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: white;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast) ease;
}

.sidebar-nav {
    flex: 1;
    padding: 1.5rem 0;
}

.sidebar-nav ul {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.sidebar-nav li {
    position: relative;
}

.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-fast) ease;
    position: relative;
    font-weight: 500;
}

.sidebar-nav li a:hover {
    color: white;
    background-color: rgba(255, 255, 255, 0.1);
}

.sidebar-nav li.active a {
    color: white;
    background-color: rgba(255, 255, 255, 0.15);
}

.sidebar-nav li.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background-color: white;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.admin-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.admin-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.admin-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.admin-details h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.125rem;
}

.admin-details p {
    font-size: 0.75rem;
    opacity: 0.8;
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast) ease;
}

.logout-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

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

/* Header Styles */
.dashboard-header {
    height: var(--header-height);
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: var(--shadow-sm);
}

.search-container {
    position: relative;
    width: 300px;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    background-color: var(--bg-light);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    transition: all var(--transition-fast) ease;
}

.search-input:focus {
    background-color: white;
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.2);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.date-display {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.notification-bell {
    position: relative;
    cursor: pointer;
}

.notification-bell svg {
    color: var(--text-secondary);
    transition: color var(--transition-fast) ease;
}

.notification-bell:hover svg {
    color: var(--primary-color);
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--danger-color);
    color: white;
    font-size: 0.625rem;
    font-weight: 600;
    width: 16px;
    height: 16px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.admin-accounts-dropdown {
    position: relative;
}

.admin-dropdown-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast) ease;
}

.admin-dropdown-btn:hover {
    background-color: var(--primary-bg);
    color: var(--primary-color);
}

.admin-dropdown-content {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    width: 280px;
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 1rem;
    z-index: 100;
    display: none;
    animation: fadeIn var(--transition-fast) ease;
}

.admin-accounts-dropdown:hover .admin-dropdown-content {
    display: block;
}

.admin-account {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast) ease;
    cursor: pointer;
}

.admin-account:hover {
    background-color: var(--bg-light);
}

.admin-account.active {
    background-color: var(--primary-bg);
}

.admin-account-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    overflow: hidden;
}

.admin-account-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.admin-account-info h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.125rem;
    color: var(--text-primary);
}

.admin-account-info p {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.admin-account-action {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-light);
}

.admin-account-action button {
    width: 100%;
    padding: 0.625rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast) ease;
}

.admin-account-action button:hover {
    background-color: var(--primary-dark);
}

/* Dashboard Content Styles */
.dashboard-content {
    flex: 1;
    padding: 2rem;
    background-color: var(--bg-light);
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Welcome Banner */
.welcome-banner {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-lg);
    padding: 2rem;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.5s ease-in-out;
}

.welcome-text h1 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.welcome-text p {
    font-size: 1rem;
    opacity: 0.9;
}

.date-time {
    text-align: right;
}

.time {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    font-family: var(--font-display);
}

.date {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Stats Cards */
.stats-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.stat-card {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    display: flex;
    gap: 1rem;
    transition: all var(--transition-normal) ease;
    animation: slideInUp 0.5s ease-in-out;
    animation-fill-mode: both;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

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

.stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background-color: var(--primary-bg);
    color: var(--primary-color);
    flex-shrink: 0;
}

.active-users .stat-icon {
    background-color: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
}

.colleges .stat-icon {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--secondary-color);
}

.campus-admins .stat-icon {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.total-users .stat-icon {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

.stat-info {
    flex: 1;
}

.stat-info h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.stat-numbers {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

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

.main-stat .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

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

.sub-stat .stat-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    line-height: 1.2;
}

.stat-value.live {
    color: var(--danger-color);
    position: relative;
}

.stat-value.live::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--danger-color);
    border-radius: 50%;
    margin-right: 4px;
    animation: pulse 1.5s infinite;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 0.25rem;
}

.stat-progress {
    margin-top: 0.5rem;
}

.progress-bar {
    height: 4px;
    background-color: var(--bg-gray);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: var(--radius-full);
}

.active-users .progress {
    background-color: var(--primary-color);
}

.colleges .progress {
    background-color: var(--secondary-color);
}

.campus-admins .progress {
    background-color: var(--warning-color);
}

.total-users .progress {
    background-color: var(--info-color);
}

.progress-text {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Charts Row */
.charts-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.chart-container {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    animation: fadeIn 0.5s ease-in-out;
    animation-fill-mode: both;
    animation-delay: 0.5s;
}

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

.chart-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.chart-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.chart-actions select {
    padding: 0.5rem 0.75rem;
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast) ease;
}

.chart-actions select:hover {
    background-color: var(--bg-gray);
}

.refresh-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background-color: var(--bg-light);
    color: var(--text-secondary);
    transition: all var(--transition-fast) ease;
}

.refresh-btn:hover {
    background-color: var(--bg-gray);
    color: var(--primary-color);
}

.refresh-btn svg {
    transition: transform var(--transition-normal) ease;
}

.refresh-btn:hover svg {
    transform: rotate(180deg);
}

.chart-area {
    height: 300px;
    width: 100%;
}

/* Subscription Stats */
.subscription-stats {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    animation: fadeIn 0.5s ease-in-out;
    animation-fill-mode: both;
    animation-delay: 0.6s;
}

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

.subscription-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.subscription-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.subscription-actions button {
    padding: 0.5rem 0.75rem;
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast) ease;
}

.subscription-actions button:hover {
    background-color: var(--bg-gray);
}

.subscription-actions button.active {
    background-color: var(--primary-color);
    color: white;
}

.subscription-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.subscription-card {
    background-color: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    transition: all var(--transition-normal) ease;
}

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

.subscription-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.elite .subscription-icon {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.premium .subscription-icon {
    background-color: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
}

.subscription-info {
    flex: 1;
}

.subscription-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.subscription-numbers {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.subscription-count, .subscription-revenue {
    display: flex;
    flex-direction: column;
}

.subscription-count .count, .subscription-revenue .count {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.subscription-count .label, .subscription-revenue .label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 0.125rem;
}

.subscription-growth {
    margin-top: 0.5rem;
}

.growth-bar {
    height: 4px;
    background-color: var(--bg-gray);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.growth {
    height: 100%;
    border-radius: var(--radius-full);
}

.elite .growth {
    background-color: var(--warning-color);
}

.premium .growth {
    background-color: var(--primary-color);
}

.growth-text {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.subscription-chart-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.subscription-chart {
    height: 250px;
    width: 100%;
}

/* Recent Activity */
.recent-activity {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    animation: fadeIn 0.5s ease-in-out;
    animation-fill-mode: both;
    animation-delay: 0.7s;
}

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

.activity-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.view-all-btn {
    padding: 0.5rem 0.75rem;
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast) ease;
}

.view-all-btn:hover {
    background-color: var(--primary-bg);
    color: var(--primary-color);
}

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

.activity-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast) ease;
}

.activity-item:hover {
    background-color: var(--bg-light);
}

.activity-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.activity-icon.login {
    background-color: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
}

.activity-icon.subscription {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--secondary-color);
}

.activity-icon.test {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.activity-icon.college {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

.activity-icon.admin {
    background-color: rgba(236, 72, 153, 0.1);
    color: #ec4899;
}

.activity-icon.question {
    background-color: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

.activity-details {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.activity-text h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

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

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

/* Responsive Styles */
@media (max-width: 1400px) {
    .stats-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .subscription-cards {
        grid-template-columns: 1fr 1fr;
    }
    
    .subscription-chart-container {
        grid-column: span 2;
    }
}

@media (max-width: 1200px) {
    :root {
        --sidebar-width: 80px;
    }
    
    .logo-container h2, 
    .admin-details,
    .logout-btn span {
        display: none;
    }
    
    .sidebar-nav li a {
        justify-content: center;
        padding: 0.875rem;
    }
    
    .sidebar-nav li a svg {
        margin: 0;
    }
    
    .admin-info {
        justify-content: center;
    }
    
    .logout-btn {
        justify-content: center;
    }
    
    .sidebar:hover {
        width: 280px;
        box-shadow: var(--shadow-xl);
    }
    
    .sidebar:hover .logo-container h2,
    .sidebar:hover .admin-details,
    .sidebar:hover .logout-btn span {
        display: block;
    }
    
    .sidebar:hover .sidebar-nav li a {
        justify-content: flex-start;
        padding: 0.875rem 1.5rem;
    }
    
    .sidebar:hover .admin-info {
        justify-content: flex-start;
    }
    
    .sidebar:hover .logout-btn {
        justify-content: flex-start;
    }
}

@media (max-width: 992px) {
    .charts-row {
        grid-template-columns: 1fr;
    }
    
    .subscription-cards {
        grid-template-columns: 1fr;
    }
    
    .subscription-chart-container {
        grid-column: span 1;
    }
    
    .welcome-banner {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .date-time {
        text-align: left;
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 0;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .sidebar.active {
        transform: translateX(0);
        width: 280px;
    }
    
    .sidebar.active .logo-container h2,
    .sidebar.active .admin-details,
    .sidebar.active .logout-btn span {
        display: block;
    }
    
    .sidebar.active .sidebar-nav li a {
        justify-content: flex-start;
        padding: 0.875rem 1.5rem;
    }
    
    .dashboard-header {
        padding: 0 1rem;
    }
    
    .search-container {
        width: 200px;
    }
    
    .stats-cards {
        grid-template-columns: 1fr;
    }
    
    .dashboard-content {
        padding: 1rem;
    }
}

@media (max-width: 576px) {
    .date-display {
        display: none;
    }
    
    .search-container {
        width: 150px;
    }
    
    .activity-details {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .activity-time {
        margin-left: 0;
    }
    
    .notification-bell {
        display: none;
    }
    
    .admin-accounts-dropdown {
        display: none;
    }
}

/* Dark Mode Styles */
body.dark-mode {
    --primary-color: #818cf8;
    --primary-light: #a5b4fc;
    --primary-dark: #6366f1;
    --primary-bg: #1e293b;
    --secondary-color: #34d399;
    --secondary-light: #6ee7b7;
    --secondary-dark: #10b981;
    --text-primary: #f9fafb;
    --text-secondary: #e5e7eb;
    --text-tertiary: #d1d5db;
    --text-light: #9ca3af;
    --bg-white: #1e293b;
    --bg-light: #111827;
    --bg-gray: #1f2937;
    --bg-dark: #0f172a;
    --border-color: #334155;
    --border-light: #1f2937;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
}

/* Theme Toggle */
.theme-toggle {
    position: relative;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    border: none;
    outline: none;
}

.theme-toggle:hover {
    background-color: rgba(0, 0, 0, 0.08);
}

.dark-mode .theme-toggle:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.theme-toggle:focus-visible {
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.5);
}

.theme-toggle svg {
    width: 22px;
    height: 22px;
    position: absolute;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.sun-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
    color: #f59e0b;
}

.moon-icon {
    opacity: 0;
    transform: rotate(-90deg) scale(0);
    color: #818cf8;
}

.dark-mode .sun-icon {
    opacity: 0;
    transform: rotate(90deg) scale(0);
}

.dark-mode .moon-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

/* Smooth transition for all elements */
body, 
.sidebar, 
.dashboard-header, 
.search-input, 
.admin-dropdown-btn, 
.admin-dropdown-content, 
.stat-card, 
.chart-container, 
.subscription-stats, 
.subscription-card, 
.recent-activity, 
.activity-item,
.theme-toggle,
.theme-toggle svg,
.sun-icon,
.moon-icon,
.chart-actions select,
.refresh-btn,
.subscription-actions button,
.view-all-btn,
.progress-bar,
.progress,
.growth-bar,
.growth {
    transition: all 0.3s ease;
}