/* Xocevend Anbar Sistemi - Modern CSS */

:root {
    /* Dark Theme (Default) */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    --bg-hover: #2d3a4f;
    --bg-input: #0f172a;
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --text-dark: #94a3b8;
    
    --accent-blue: #3b82f6;
    --accent-blue-dark: #1d4ed8;
    --accent-blue-light: #60a5fa;
    --accent-cyan: #06b6d4;
    --accent-teal: #14b8a6;
    
    --success: #22c55e;
    --success-dark: #16a34a;
    --warning: #f59e0b;
    --warning-dark: #d97706;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --info: #3b82f6;
    
    --border-color: #334155;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #f1f5f9;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e2e8f0;
    --bg-card: #ffffff;
    --bg-hover: #f8fafc;
    --bg-input: #f8fafc;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-dark: #64748b;
    
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

html {
    font-size: 14px;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

::selection {
    background: var(--accent-blue);
    color: white;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
}

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

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

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 1000;
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.logo-icon svg {
    width: 24px;
    height: 24px;
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-text span {
    color: var(--accent-blue);
}

.sidebar-nav {
    flex: 1;
    padding: 15px 10px;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 20px;
}

.nav-section-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    padding: 0 15px;
    margin-bottom: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    margin: 2px 0;
    border-radius: 10px;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
}

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

.nav-item.active {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
    color: white;
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.nav-item .badge {
    margin-left: auto;
    background: var(--danger);
    color: white;
    font-size: 0.65rem;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}

.sidebar-footer {
    padding: 15px;
    border-top: 1px solid var(--border-color);
}

.user-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: 10px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: white;
    flex-shrink: 0;
}

.user-info {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.header {
    height: 70px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 25px;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
}

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

.page-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-btn {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.header-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--accent-blue);
}

.header-btn svg {
    width: 20px;
    height: 20px;
}

.notification-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    background: var(--danger);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

/* Content */
.content {
    flex: 1;
    padding: 25px;
    background: var(--bg-primary);
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card:hover {
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 15px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-title svg {
    width: 20px;
    height: 20px;
}

.card-body {
    padding: 25px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 28px;
    height: 28px;
}

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

.stat-icon.green {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

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

.stat-icon.purple {
    background: rgba(139, 92, 246, 0.15);
    color: #8b5cf6;
}

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

.stat-icon.cyan {
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-cyan);
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    outline: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--accent-blue-light), var(--accent-blue));
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), var(--success-dark));
    color: white;
}

.btn-success:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), var(--danger-dark));
    color: white;
}

.btn-danger:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), var(--warning-dark));
    color: white;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn-sm svg {
    width: 14px;
    height: 14px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
}

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

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

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

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

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    padding-right: 40px;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

/* Search Box */
.search-box {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-box input {
    padding-left: 45px;
}

.search-box svg {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    width: 18px;
    height: 18px;
}

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

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

.data-table th,
.data-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    white-space: nowrap;
}

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

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

.data-table tbody td {
    color: var(--text-primary);
    font-size: 0.9rem;
}

.data-table .actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-success {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

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

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

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

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: all var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

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

.modal-close svg {
    width: 18px;
    height: 18px;
}

.modal-body {
    padding: 25px;
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    padding: 20px 25px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Toast */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-blue);
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

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

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

.toast-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

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

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

.toast.warning .toast-icon {
    color: var(--warning);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.toast-message {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    transition: color var(--transition-fast);
}

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

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    margin-top: 20px;
}

.pagination-btn {
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
}

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

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

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

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

/* Grid */
.grid {
    display: grid;
    gap: 20px;
}

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

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

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state svg {
    width: 60px;
    height: 60px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    min-width: 180px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    overflow: hidden;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    color: var(--text-primary);
    transition: all var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
}

.dropdown-item:hover {
    background: var(--bg-hover);
}

.dropdown-item svg {
    width: 16px;
    height: 16px;
}

.dropdown-divider {
    border-top: 1px solid var(--border-color);
    margin: 5px 0;
}

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.login-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px;
    width: 90%;
    max-width: 420px;
    position: relative;
    z-index: 1;
}

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

.login-logo .logo-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 15px;
}

.login-logo .logo-icon svg {
    width: 32px;
    height: 32px;
}

.login-logo h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
}

.login-logo p {
    color: var(--text-secondary);
    margin-top: 5px;
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 12px 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

.error-message svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Activity List */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px;
    background: var(--bg-secondary);
    border-radius: 12px;
    transition: background var(--transition-fast);
}

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

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-icon svg {
    width: 18px;
    height: 18px;
}

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

.activity-icon.green {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

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

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

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 3px;
}

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

/* Chart Container */
.chart-container {
    height: 300px;
    position: relative;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 5px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.tab {
    padding: 12px 20px;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
    font-weight: 500;
}

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

.tab.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

/* Progress Bar */
.progress-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    border-radius: 4px;
    transition: width 0.5s ease;
}

/* Vehicle Card */
.vehicle-card {
    transition: all var(--transition-normal);
}

.vehicle-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent-blue);
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}
/* Sidebar normal */
.sidebar{
    width:260px;
    position:fixed;
    left:0;
    top:0;
    height:100%;
    background:#111827;
    transition:0.3s;
}

/* Mobil */
@media (max-width:768px){

.sidebar{
    transform:translateX(-100%);
}

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

}
@media (max-width: 768px) {
    .header {
        padding: 0 15px;
    }
    
    .content {
        padding: 15px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .data-table {
        font-size: 0.85rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 10px 12px;
    }
    
    .modal {
        margin: 10px;
    }
    
    .search-box {
        max-width: 100%;
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.3s ease;
}

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

.slide-up {
    animation: slideUp 0.3s ease;
}

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

/* Notification Panel */
.notification-panel {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 360px;
    max-height: 450px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    overflow: hidden;
}

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

.notification-header h4 {
    font-size: 1rem;
    color: var(--text-primary);
}

.notification-list {
    max-height: 350px;
    overflow-y: auto;
}

.notification-item {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

.notification-item.unread {
    background: rgba(59, 130, 246, 0.05);
}

.notification-item-title {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
    font-size: 0.9rem;
}

.notification-item-message {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 6px;
}

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

.notification-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.notification-footer a {
    color: var(--accent-blue);
    font-size: 0.85rem;
    font-weight: 500;
}