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

:root {
    --primary: #6366F1;
    --primary-dark: #4F46E5;
    --secondary: #10B981;
    --danger: #F43F5E;
    --warning: #F59E0B;
    --info: #3B82F6;
    --purple: #A855F7;
    --pink: #EC4899;
    --cyan: #06B6D4;
    --orange: #F97316;
    --dark: #1F2937;
    --light: #F9FAFB;
    --border: #E5E7EB;
    --text: #374151;
    --text-light: #6B7280;
    --sidebar-width: 260px;
    --header-height: 70px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--light);
    color: var(--text);
    line-height: 1.6;
}

/* Global Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #764ba2 0%, #667eea 100%);
}

/* Dark Mode */
body.dark-mode {
    --light: #111827;
    --dark: #F9FAFB;
    --border: #374151;
    --text: #F3F4F6;
    --text-light: #9CA3AF;
    background: #0F172A;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #4facfe 75%, #00f2fe 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
    top: -250px;
    right: -250px;
    animation: float 6s ease-in-out infinite;
}

.login-container::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -200px;
    left: -200px;
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.login-box {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.3);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header i {
    font-size: 48px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    animation: pulse 2s ease-in-out infinite;
}

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

.login-header h1 {
    font-size: 28px;
    color: var(--dark);
    margin-bottom: 5px;
}

.login-header p {
    color: var(--text-light);
    font-size: 14px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text);
}

.login-form input,
.login-form select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
}

.login-form input:focus,
.login-form select:focus {
    outline: none;
    border-color: var(--primary);
}

.login-footer {
    margin-top: 20px;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.login-footer p {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 5px;
}

.login-footer small {
    font-size: 11px;
    color: var(--text-light);
}

/* Main App Layout */
.app-container {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    border-right: none;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 1000;
    transition: width 0.3s ease, transform 0.3s;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.1);
}

.sidebar.minimized {
    width: 70px;
}

.sidebar.minimized .sidebar-text {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.sidebar.minimized .nav-item span {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.sidebar.minimized .sidebar-header {
    justify-content: center;
}

.sidebar.minimized .sidebar-footer .btn {
    padding: 12px;
    justify-content: center;
}

.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.sidebar-toggle {
    position: absolute;
    right: -15px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: white;
    border: 2px solid #667eea;
    color: #667eea;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    z-index: 10;
}

.sidebar-toggle:hover {
    background: #667eea;
    color: white;
    transform: translateY(-50%) scale(1.1);
}

.sidebar-toggle i {
    font-size: 12px;
}

.sidebar-text {
    transition: opacity 0.3s, width 0.3s;
    white-space: nowrap;
}

.sidebar-header i {
    font-size: 28px;
    color: white;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.sidebar-header span {
    font-size: 20px;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 20px 0;
}

/* Custom Scrollbar untuk Sidebar */
.sidebar-nav::-webkit-scrollbar {
    width: 8px;
}

.sidebar-nav::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    margin: 10px 0;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.5) 100%);
    border-radius: 10px;
    border: 2px solid transparent;
    background-clip: padding-box;
}

.sidebar-nav::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0.7) 100%);
    background-clip: padding-box;
}

.sidebar-nav::-webkit-scrollbar-thumb:active {
    background: rgba(255, 255, 255, 0.8);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s;
    border-left: 3px solid transparent;
    position: relative;
}

.sidebar.minimized .nav-item {
    justify-content: center;
    padding: 12px;
}

.sidebar.minimized .nav-item i {
    margin: 0;
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    opacity: 0;
    transition: opacity 0.3s;
}

.nav-item:hover {
    color: white;
}

.nav-item:hover::before {
    opacity: 1;
}

.nav-item.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-left-color: white;
    font-weight: 600;
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.1);
}

.nav-item i {
    font-size: 18px;
    width: 20px;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    transition: margin-left 0.3s ease;
}

.sidebar.minimized ~ .main-content {
    margin-left: 70px;
}

/* Header */
.header {
    height: var(--header-height);
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: white;
    cursor: pointer;
}

.header-title {
    flex: 1;
    margin-left: 20px;
}

.header-title h1 {
    font-size: 24px;
    font-weight: 700;
    color: white;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.notification-icon {
    position: relative;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s;
}

.notification-icon:hover {
    background: rgba(255, 255, 255, 0.1);
}

.notification-icon i {
    font-size: 20px;
    color: white;
}

.notification-icon .badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    border-radius: 10px;
    padding: 2px 6px;
    font-size: 10px;
    font-weight: 600;
    animation: bounce 2s ease-in-out infinite;
    box-shadow: 0 2px 8px rgba(245, 87, 108, 0.4);
}

@keyframes bounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Notification Dropdown */
.notification-dropdown {
    position: absolute;
    top: 60px;
    right: 80px;
    width: 380px;
    max-height: 500px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    display: none;
    flex-direction: column;
    z-index: 1000;
    animation: slideDown 0.3s ease-out;
}

.notification-dropdown.show {
    display: flex;
}

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

.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid #e5e7eb;
}

.notification-header h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: #1f2937;
}

.btn-clear-all {
    background: none;
    border: none;
    color: #6366f1;
    font-size: 12px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: all 0.3s;
}

.btn-clear-all:hover {
    background: #eef2ff;
}

.notification-list {
    flex: 1;
    overflow-y: auto;
    max-height: 380px;
}

.notification-item {
    padding: 16px 20px;
    border-bottom: 1px solid #f3f4f6;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    gap: 12px;
}

.notification-item:hover {
    background: #f9fafb;
}

.notification-item.unread {
    background: #eef2ff;
}

.notification-item.unread:hover {
    background: #e0e7ff;
}

.notification-icon-wrapper {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notification-icon-wrapper.warning {
    background: #fef3c7;
    color: #f59e0b;
}

.notification-icon-wrapper.danger {
    background: #fee2e2;
    color: #ef4444;
}

.notification-icon-wrapper.success {
    background: #d1fae5;
    color: #10b981;
}

.notification-icon-wrapper.info {
    background: #dbeafe;
    color: #3b82f6;
}

.notification-content {
    flex: 1;
}

.notification-title {
    font-size: 14px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 4px;
}

.notification-message {
    font-size: 13px;
    color: #6b7280;
    margin-bottom: 4px;
}

.notification-time {
    font-size: 11px;
    color: #9ca3af;
}

.notification-footer {
    padding: 12px 20px;
    border-top: 1px solid #e5e7eb;
    text-align: center;
}

.notification-footer a {
    color: #6366f1;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s;
}

.notification-footer a:hover {
    color: #4f46e5;
}

.notification-empty {
    padding: 40px 20px;
    text-align: center;
    color: #9ca3af;
}

.notification-empty i {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.notification-empty p {
    margin: 0;
    font-size: 14px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.3s;
    cursor: pointer;
}

.user-info:hover {
    background: rgba(255, 255, 255, 0.1);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 14px;
    color: white;
}

.user-role {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
}

/* Content Area */
.content {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    background-attachment: fixed;
}

/* Custom Scrollbar untuk Content Area */
.content::-webkit-scrollbar {
    width: 10px;
}

.content::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
}

.content::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
    border: 2px solid transparent;
    background-clip: padding-box;
}

.content::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #764ba2 0%, #667eea 100%);
    background-clip: padding-box;
}

.content::-webkit-scrollbar-thumb:active {
    background: linear-gradient(180deg, #4F46E5 0%, #6366F1 100%);
    background-clip: padding-box;
}

.page {
    display: none;
}

.page.active {
    display: block;
    animation: fadeIn 0.3s;
}

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

.page-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: var(--text-light);
    color: white;
}

.btn-secondary:hover {
    background: var(--text);
}

.btn-danger {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 87, 108, 0.4);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 87, 108, 0.6);
}

.btn-success {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    color: #1F2937;
    box-shadow: 0 4px 15px rgba(168, 237, 234, 0.4);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(168, 237, 234, 0.6);
}

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

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* Cards */
.card {
    background: white;
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

.card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--dark);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 16px;
    flex-wrap: wrap;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    border-radius: 16px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.stat-icon {
    width: 70px;
    height: 70px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    position: relative;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.stat-icon::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.stat-icon.blue { 
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.stat-icon.red { 
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}
.stat-icon.yellow { 
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}
.stat-icon.green { 
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.stat-info h3 {
    font-size: 32px;
    font-weight: 700;
    margin: 0;
    color: var(--dark);
}

.stat-info p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

/* Charts */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
}

.chart-card {
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.chart-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
}

.chart-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

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

.table thead {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    color: white;
    border-bottom: none;
}

.table thead tr:first-child th:first-child {
    border-top-left-radius: 10px;
}

.table thead tr:first-child th:last-child {
    border-top-right-radius: 10px;
}

.table td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

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

.text-center {
    text-align: center;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
    color: var(--text);
}

.form-control,
.form-select,
textarea.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
    font-family: inherit;
}

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

.form-control:focus,
.form-select:focus,
textarea.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 20px;
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 300px;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

.search-box input {
    width: 100%;
    padding: 10px 14px 10px 40px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-info {
    background: linear-gradient(135deg, #DBEAFE 0%, #E0E7FF 100%);
    color: #1E40AF;
    border-left: 4px solid #3B82F6;
}

.alert i {
    font-size: 18px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.badge-success {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    color: #065F46;
}

.badge-danger {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.badge-warning {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    color: #92400E;
}

.badge-info {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    font-size: 20px;
    font-weight: 600;
    margin: 0;
}

.close-modal {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
}

.close-modal:hover {
    background: var(--light);
    color: var(--text);
}

.modal form {
    padding: 24px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 20px 24px;
    border-top: 1px solid var(--border);
    margin-top: 20px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border);
}

.tab-btn {
    padding: 12px 24px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-light);
    transition: all 0.3s;
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Settings */
.settings-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.setting-info h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.setting-info p {
    font-size: 13px;
    color: var(--text-light);
    margin: 0;
}

/* Switch Toggle */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.4s;
    border-radius: 26px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--primary);
}

input:checked + .slider:before {
    transform: translateX(24px);
}

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

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

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

    .menu-toggle {
        display: block;
    }

    .header-title h1 {
        font-size: 18px;
    }

    .page-title {
        font-size: 16px;
    }

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

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

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

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

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

/* Utility Classes */
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.text-danger { color: var(--danger); }
.text-success { color: var(--secondary); }
.text-warning { color: var(--warning); }
.text-muted { color: var(--text-light); }