/* Header Styles */
.dashboard-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--gray-600);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-md);
    transition: background-color 0.2s;
}

.sidebar-toggle:hover {
    background-color: var(--gray-100);
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-blue);
}

.logo i {
    font-size: 24px;
}

.header-center {
    flex: 1;
    max-width: 600px;
    margin: 0 32px;
}

.search-box {
    position: relative;
    width: 100%;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

.search-box input {
    width: 100%;
    padding: 10px 12px 10px 40px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: 14px;
    background-color: var(--gray-50);
    transition: border-color 0.2s, background-color 0.2s;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-blue);
    background-color: #fff;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Notifications */
.notifications {
    position: relative;
}

.notification-btn {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--gray-600);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-md);
    position: relative;
    transition: background-color 0.2s;
}

.notification-btn:hover {
    background-color: var(--gray-100);
}

.notification-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--danger);
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.notification-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 320px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: none;
    z-index: 1001;
}

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

.notification-header {
    padding: 16px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.notification-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.mark-all-read {
    background: none;
    border: none;
    color: var(--primary-blue);
    font-size: 12px;
    cursor: pointer;
}

.notification-list {
    max-height: 300px;
    overflow-y: auto;
}

.notification-item {
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    gap: 12px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.notification-item:hover {
    background-color: var(--gray-50);
}

.notification-item.unread {
    background-color: #f0f8ff;
}

.notification-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: white;
    flex-shrink: 0;
}

.notification-icon.critical {
    background-color: var(--danger);
}

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

.notification-icon.info {
    background-color: var(--info);
}

.notification-content {
    flex: 1;
}

.notification-content h4 {
    margin: 0 0 4px 0;
    font-size: 14px;
    font-weight: 600;
}

.notification-content p {
    margin: 0 0 4px 0;
    font-size: 12px;
    color: var(--gray-600);
}

.notification-time {
    font-size: 11px;
    color: var(--gray-400);
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-btn {
    background: none;
    border: none;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background-color 0.2s;
}

.user-btn:hover {
    background-color: var(--gray-100);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.user-avatar.large {
    width: 48px;
    height: 48px;
    font-size: 18px;
}

.user-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 240px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: none;
    z-index: 1001;
}

.user-dropdown.show {
    display: block;
}

.user-info {
    padding: 16px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    gap: 12px;
    align-items: center;
}

.user-details h4 {
    margin: 0 0 4px 0;
    font-size: 14px;
    font-weight: 600;
}

.user-details p {
    margin: 0;
    font-size: 12px;
    color: var(--gray-600);
}

.user-menu-items {
    padding: 8px 0;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    text-decoration: none;
    color: var(--gray-700);
    font-size: 14px;
    transition: background-color 0.2s;
}

.menu-item:hover {
    background-color: var(--gray-50);
}

.menu-item.logout {
    color: var(--danger);
}

.menu-divider {
    height: 1px;
    background: var(--gray-200);
    margin: 8px 0;
}

/* Sidebar Styles */
.sidebar {
    position: fixed;
    left: 0;
    top: 64px;
    width: 260px;
    height: calc(100vh - 64px);
    max-height: calc(100vh - 64px);
    background: #fff;
    border-right: 1px solid var(--gray-200);
    overflow: visible;
    overflow-y: visible;
    overflow-x: hidden;
    z-index: 999;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.sidebar.collapsed {
    transform: translateX(-200px);
    width: 60px;
}

.sidebar-header {
    padding: 16px 20px 12px;
    flex-shrink: 0;
    border-bottom: 1px solid var(--gray-200);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-blue);
}

.sidebar-title {
    transition: opacity 0.3s ease;
}

.sidebar.collapsed .sidebar-title {
    opacity: 0;
}

.sidebar-menu {
    padding: 4px 0;
    flex: 1;
    overflow: visible;
    overflow-y: visible;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    gap: 8px;
}

.menu-section {
    margin-bottom: 0;
    flex-shrink: 0;
}

.menu-section-title {
    padding: 0 20px 4px;
    font-size: 9.5px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--gray-500);
    letter-spacing: 0.5px;
}

.menu-items {
    list-style: none;
    margin: 0;
    padding: 0;
}

.menu-item {
    margin: 0px 8px;
}

.menu-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 7px 12px;
    text-decoration: none;
    color: var(--gray-700);
    border-radius: var(--radius-md);
    transition: all 0.2s;
    font-size: 13.5px;
}

.menu-link:hover {
    background-color: var(--gray-100);
    color: var(--primary-blue);
}

.menu-link.active {
    background-color: var(--primary-light);
    color: var(--primary-blue);
    font-weight: 500;
}

.menu-link i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.menu-text {
    transition: opacity 0.3s ease;
}

.sidebar.collapsed .menu-text {
    opacity: 0;
}

.sidebar-footer {
    flex-shrink: 0;
    padding: 10px 20px;
    border-top: 1px solid var(--gray-200);
    background: #fff;
    margin-top: auto;
}

.system-status {
    font-size: 11px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
    font-weight: 500;
}

.status-indicator.online {
    color: var(--success);
}

.status-indicator i {
    font-size: 8px;
}

.last-update {
    color: var(--gray-500);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

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

.btn-warning {
    background: var(--warning);
    color: var(--gray-800);
}

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

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
}

.btn-outline:hover {
    background: var(--gray-100);
}

/* Card Components */
.card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.card-header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--gray-200);
}

.card-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
}

.card-subtitle {
    margin: 4px 0 0 0;
    font-size: 14px;
    color: var(--gray-600);
}

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

.form-label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 8px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 32px;
}

/* Table Styles */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    background-color: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody tr:hover {
    background-color: var(--gray-50);
}

/* Badge Styles */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary-blue);
}

.badge-success {
    background: #d4edda;
    color: var(--success);
}

.badge-warning {
    background: #fff3cd;
    color: #856404;
}

.badge-danger {
    background: #f8d7da;
    color: var(--danger);
}

.badge-info {
    background: #d1ecf1;
    color: var(--info);
}

.badge-secondary {
    background: var(--gray-200);
    color: var(--gray-600);
}

/* Alert Styles */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-size: 14px;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-error {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-warning {
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeaa7;
}

.alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}