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

:root {
    /* Color Palette */
    --primary-color: #1a73e8;
    --secondary-color: #34a853;
    --accent-color: #ea4335;
    --warning-color: #fbbc04;
    --dark-color: #1f2937;
    --gray-color: #6b7280;
    --light-gray: #f3f4f6;
    --white: #ffffff;
    --sidebar-width: 280px;
    --header-height: 70px;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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);
}

/* RTL Support */
[dir="rtl"] {
    text-align: right;
}

[dir="rtl"] .sidebar {
    right: 0;
    left: auto;
}

[dir="rtl"] .main-content {
    margin-right: var(--sidebar-width);
    margin-left: 0;
}

[dir="rtl"] .sidebar-toggle {
    transform: scaleX(-1);
}

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

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.3s ease;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    text-align: center;
    color: white;
}

.building-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    animation: pulse 2s infinite;
}

.loading-text {
    font-size: 1.2rem;
    font-weight: 300;
}

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

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: transform 0.3s ease;
    overflow-y: auto;
}

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

.sidebar-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--light-gray);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.company-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: var(--spacing-xs);
}

.company-info p {
    font-size: 0.9rem;
    color: var(--gray-color);
    margin-bottom: var(--spacing-xs);
}

.company-info small {
    font-size: 0.8rem;
    color: var(--gray-color);
}

.sidebar-menu {
    padding: var(--spacing-lg) 0;
}

.sidebar-menu ul {
    list-style: none;
}

.menu-item {
    margin-bottom: var(--spacing-sm);
}

.menu-item a {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl);
    color: var(--gray-color);
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    margin-right: var(--spacing-md);
}

.menu-item a:hover,
.menu-item.active a {
    color: var(--primary-color);
    background-color: rgba(26, 115, 232, 0.1);
}

.menu-item i {
    font-size: 1.2rem;
    width: 20px;
}

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

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

/* Header */
.header {
    background: var(--white);
    height: var(--header-height);
    padding: 0 var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 999;
}

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

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-color);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

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

#page-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--dark-color);
}

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

/* Refresh Button */
.refresh-btn {
    background: var(--primary-color);
    border: none;
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
}

.refresh-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.refresh-btn i {
    font-size: 0.875rem;
}

.refresh-btn:active i {
    animation: spin 0.5s ease-in-out;
}

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

/* Small buttons for data refresh */
.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
}

.btn-small i {
    font-size: 0.75rem;
    margin-right: var(--spacing-xs);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    background: var(--light-gray);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs);
}

.lang-btn {
    background: none;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    color: var(--gray-color);
}

.lang-btn.active {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

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

.notification-btn {
    background: none;
    border: none;
    font-size: 1.3rem;
    color: var(--gray-color);
    cursor: pointer;
    position: relative;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

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

.notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background: var(--accent-color);
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 50%;
    min-width: 18px;
    text-align: center;
}

.notification-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    width: 300px;
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: 1000;
}

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

.notification-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--light-gray);
}

.notification-header h4 {
    font-weight: 600;
    color: var(--dark-color);
}

/* User Profile */
.user-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-avatar i {
    font-size: 2rem;
    color: var(--gray-color);
}

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

.user-name {
    font-weight: 600;
    color: var(--dark-color);
    font-size: 0.9rem;
}

.user-role {
    font-size: 0.8rem;
    color: var(--gray-color);
}

/* Page Content */
.page-content {
    padding: var(--spacing-xl);
    min-height: calc(100vh - var(--header-height));
}

.page {
    display: none;
}

.page.active {
    display: block;
}

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

.stat-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.stat-card:nth-child(1) .stat-icon { background: var(--primary-color); }
.stat-card:nth-child(2) .stat-icon { background: var(--warning-color); }
.stat-card:nth-child(3) .stat-icon { background: var(--secondary-color); }
.stat-card:nth-child(4) .stat-icon { background: var(--accent-color); }

.stat-info h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: var(--spacing-xs);
}

.stat-info p {
    color: var(--gray-color);
    font-weight: 500;
}

/* Dashboard Widgets */
.dashboard-widgets {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.widget {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.widget-header {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.widget-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-color);
}

.widget-content {
    padding: var(--spacing-xl);
}

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

.page-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-color);
}

.page-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Buttons */
.btn-primary, .btn-secondary {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: #1557b3;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--light-gray);
    color: var(--dark-color);
}

.btn-secondary:hover {
    background: #e5e7eb;
    transform: translateY(-2px);
}

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

.btn-approve:hover {
    background: #2d8a47;
}

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

.btn-reject:hover {
    background: #d93025;
}

/* Search Box */
.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: var(--spacing-md);
    color: var(--gray-color);
}

.search-box input {
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) 2.5rem;
    border: 1px solid #d1d5db;
    border-radius: var(--radius-md);
    width: 250px;
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

/* Employee Grid */
.employee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.employee-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    transition: all 0.3s ease;
    cursor: pointer;
}

.employee-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.employee-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.employee-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--gray-color);
}

.employee-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-xs);
}

.employee-info p {
    color: var(--gray-color);
    font-size: 0.9rem;
}

.leave-stats {
    margin-bottom: var(--spacing-lg);
}

.leave-stat {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.leave-stat label {
    font-size: 0.9rem;
    color: var(--gray-color);
}

.leave-stat span {
    font-weight: 600;
    color: var(--dark-color);
}

.leave-progress {
    margin-top: var(--spacing-md);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--light-gray);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

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

.progress-fill.orange {
    background: var(--warning-color);
}

.progress-fill.red {
    background: var(--accent-color);
}

.progress-label {
    font-size: 0.8rem;
    color: var(--gray-color);
    text-align: center;
}

/* Leave Requests */
.requests-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.request-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    transition: all 0.3s ease;
}

.request-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.request-info h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
}

.request-meta {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.request-meta span {
    font-size: 0.9rem;
    color: var(--gray-color);
}

.request-dates {
    background: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.request-reason {
    margin-bottom: var(--spacing-lg);
}

.request-reason h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
}

.request-reason p {
    color: var(--gray-color);
    line-height: 1.5;
}

.request-actions {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.ai-recommendation {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid;
}

.ai-recommendation.recommended {
    background: rgba(52, 168, 83, 0.1);
    border-color: var(--secondary-color);
}

.ai-recommendation.not-recommended {
    background: rgba(234, 67, 53, 0.1);
    border-color: var(--accent-color);
}

.ai-recommendation.caution {
    background: rgba(251, 188, 4, 0.1);
    border-color: var(--warning-color);
}

.ai-recommendation h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.ai-recommendation p {
    font-size: 0.8rem;
    color: var(--gray-color);
}

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

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
}

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

.modal-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--dark-color);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--gray-color);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

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

.modal-body {
    padding: var(--spacing-xl);
}

/* Status Badges */
.status-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
}

.status-pending {
    background: rgba(251, 188, 4, 0.2);
    color: #92400e;
}

.status-approved {
    background: rgba(52, 168, 83, 0.2);
    color: #065f46;
}

.status-rejected {
    background: rgba(234, 67, 53, 0.2);
    color: #991b1b;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-widgets {
        grid-template-columns: 1fr;
    }
    
    .employee-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .page-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .search-box input {
        width: 200px;
    }
    
    .header-right {
        gap: var(--spacing-md);
    }
    
    .user-info {
        display: none;
    }
}

@media (max-width: 480px) {
    .page-content {
        padding: var(--spacing-md);
    }
    
    .request-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .request-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .search-box input {
        width: 150px;
    }
}

/* Select Dropdown */
select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid #d1d5db;
    border-radius: var(--radius-md);
    background: white;
    color: var(--dark-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

/* Settings */
.settings-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
}

.settings-section {
    margin-bottom: var(--spacing-xl);
}

.settings-section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-lg);
}

.settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--light-gray);
}

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

.settings-item label {
    font-weight: 500;
    color: var(--dark-color);
}

.settings-item input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid #d1d5db;
    border-radius: var(--radius-md);
    width: 100px;
}

/* Reports */
.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.report-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    text-align: center;
}

.report-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
}

.report-card p {
    color: var(--gray-color);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

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

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

.slide-in-right {
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-color);
}

/* Edit Leave Modal Styles */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="text"] {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background: var(--card-bg);
    color: var(--text-primary);
}

.form-group input[readonly] {
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.calculated-values {
    margin: 20px 0;
    padding: 15px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.calculated-values h4 {
    margin: 0 0 15px 0;
    color: var(--text-primary);
    font-size: 16px;
}

.calc-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 0;
}

.calc-item span {
    color: var(--text-secondary);
}

.calc-item strong {
    color: var(--primary-color);
    font-size: 16px;
}

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

/* Edit Button in Employee Details */
.employee-actions {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
}

.btn-edit {
    background: var(--warning-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s ease;
}

.btn-edit:hover {
    background: #e68900;
}

/* Predictive Insights Styles */
.predictive-insights {
    padding: 20px;
}

.insights-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.insights-header h3 {
    color: var(--primary-color);
    font-size: 24px;
    margin: 0;
}

.btn-refresh {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s ease;
}

.btn-refresh:hover {
    background: #0d47a1;
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.insight-section .widget {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

/* Prediction Cards */
.prediction-card, .alert-card, .risk-card {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    border-left: 4px solid var(--primary-color);
    transition: transform 0.3s ease;
}

.prediction-card:hover, .alert-card:hover, .risk-card:hover {
    transform: translateY(-2px);
}

.prediction-card.high-risk {
    border-left-color: var(--error-color);
    background: rgba(244, 67, 54, 0.05);
}

.prediction-card.medium-risk {
    border-left-color: var(--warning-color);
    background: rgba(255, 152, 0, 0.05);
}

.prediction-header, .risk-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.employee-info h4 {
    margin: 0;
    color: var(--text-primary);
    font-size: 16px;
}

.employee-id {
    color: var(--text-secondary);
    font-size: 12px;
}

.risk-indicator, .risk-level {
    text-align: right;
}

.likelihood, .risk-level {
    display: block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
    margin-bottom: 4px;
}

.likelihood.high, .risk-level.high {
    background: var(--error-color);
    color: white;
}

.likelihood.medium, .risk-level.medium {
    background: var(--warning-color);
    color: white;
}

.likelihood.low, .risk-level.low {
    background: var(--success-color);
    color: white;
}

.confidence {
    font-size: 11px;
    color: var(--text-secondary);
}

.prediction-details, .risk-stats {
    margin-bottom: 15px;
}

.predicted-days {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.prediction-reasons ul {
    margin: 5px 0 0 15px;
    padding: 0;
}

.prediction-reasons li {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 3px;
}

.prediction-actions, .alert-actions, .risk-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn-action {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background-color 0.3s ease;
}

.btn-action:hover {
    background: #0d47a1;
}

.btn-action.primary {
    background: var(--error-color);
}

.btn-action.primary:hover {
    background: #d32f2f;
}

/* Alert Cards */
.alert-card.critical {
    border-left-color: var(--error-color);
    background: rgba(244, 67, 54, 0.1);
}

.alert-card.warning {
    border-left-color: var(--warning-color);
    background: rgba(255, 152, 0, 0.1);
}

.alert-icon {
    color: var(--error-color);
    font-size: 24px;
    margin-right: 15px;
}

.recommendations ul {
    margin: 10px 0 0 15px;
    padding: 0;
}

.recommendations li {
    font-size: 13px;
    margin-bottom: 5px;
}

/* Leave Peaks Chart */
.peaks-chart {
    display: flex;
    gap: 15px;
    align-items: end;
    padding: 20px 0;
    overflow-x: auto;
}

.peak-month {
    min-width: 80px;
    text-align: center;
}

.month-name {
    font-size: 12px;
    font-weight: bold;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.peak-bar {
    background: linear-gradient(to top, var(--primary-color), #42a5f5);
    margin: 0 auto 8px auto;
    width: 40px;
    min-height: 20px;
    border-radius: 4px 4px 0 0;
    display: flex;
    align-items: end;
    justify-content: center;
    color: white;
    font-size: 11px;
    font-weight: bold;
    position: relative;
}

.peak-month.high-impact .peak-bar {
    background: linear-gradient(to top, var(--error-color), #ef5350);
}

.confidence-level, .capacity-indicator {
    font-size: 10px;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.confidence-level .high {
    color: var(--success-color);
    font-weight: bold;
}

.confidence-level .medium {
    color: var(--warning-color);
    font-weight: bold;
}

/* Sentiment Analysis Styles */
.sentiment-section {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

.sentiment-alerts-container {
    margin-top: 20px;
}

.sentiment-alert {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.sentiment-alert.critical {
    border-left: 4px solid var(--error-color);
    background: rgba(244, 67, 54, 0.05);
}

.sentiment-alert.warning {
    border-left: 4px solid var(--warning-color);
    background: rgba(255, 152, 0, 0.05);
}

.alert-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.alert-icon {
    font-size: 20px;
    margin-right: 15px;
}

.alert-icon .fa-fire {
    color: var(--error-color);
}

.alert-icon .fa-door-open {
    color: var(--warning-color);
}

.alert-title h4 {
    margin: 0;
    color: var(--text-primary);
}

.employee-name {
    color: var(--text-secondary);
    font-size: 12px;
}

.severity-badge {
    margin-left: auto;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: bold;
}

.severity-badge.critical {
    background: var(--error-color);
    color: white;
}

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

.sentiment-details {
    display: flex;
    gap: 15px;
    margin: 10px 0;
    font-size: 13px;
}

.sentiment-score, .confidence-score {
    color: var(--text-secondary);
}

.detected-keywords {
    margin-top: 10px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* Request Card Sentiment Indicators */
.request-card.sentiment-negative {
    border-left: 4px solid var(--error-color);
}

.request-card.critical-alert {
    background: rgba(244, 67, 54, 0.05);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(244, 67, 54, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(244, 67, 54, 0); }
    100% { box-shadow: 0 0 0 0 rgba(244, 67, 54, 0); }
}

.sentiment-alert-banner {
    background: var(--error-color);
    color: white;
    padding: 8px 15px;
    margin: -20px -20px 15px -20px;
    border-radius: 8px 8px 0 0;
    font-size: 12px;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sentiment-alert-banner.warning {
    background: var(--warning-color);
}

.sentiment-indicator {
    font-size: 11px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.sentiment-keywords {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 5px;
}

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

.btn-intervene:hover {
    background: #d32f2f;
}

/* Critical Notifications */
.critical-notification {
    position: fixed;
    top: 80px;
    right: 20px;
    background: var(--error-color);
    color: white;
    border-radius: 8px;
    padding: 15px 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    z-index: 10001;
    max-width: 400px;
    animation: slideInNotification 0.5s ease;
}

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

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

.notification-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-weight: bold;
}

.notification-body {
    font-size: 14px;
    line-height: 1.4;
}

/* Loading States */
.loading {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.loading i {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.no-predictions, .no-alerts, .no-risks {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.no-predictions i, .no-alerts i, .no-risks i {
    font-size: 32px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* Responsive Design for Predictive Features */
@media (max-width: 768px) {
    .insights-grid {
        grid-template-columns: 1fr;
    }
    
    .insights-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .prediction-header, .risk-header {
        flex-direction: column;
        gap: 10px;
    }
    
    .prediction-actions, .alert-actions, .risk-actions {
        justify-content: center;
    }
    
    .peaks-chart {
        padding: 20px 10px;
    }
    
    .critical-notification {
        right: 10px;
        max-width: calc(100vw - 20px);
    }
    
    .sentiment-alert-banner {
        font-size: 11px;
        padding: 6px 12px;
    }
}

/* Print Styles */
@media print {
    .sidebar,
    .header,
    .modal {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
    }
    
    .page-content {
        padding: 0 !important;
    }
    
    .stat-card,
    .widget,
    .employee-card,
    .request-card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal-actions {
        flex-direction: column;
    }
}

/* Login Screen Styles */
.login-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.5s ease-in-out;
}

.login-container {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    width: 100%;
    max-width: 400px;
    margin: var(--spacing-md);
    animation: slideInUp 0.6s ease-out;
}

.login-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: var(--spacing-xl);
    text-align: center;
}

.company-logo {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    backdrop-filter: blur(10px);
}

.company-logo i {
    font-size: 24px;
    color: var(--white);
}

.login-header h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.company-subtitle {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: var(--spacing-xs);
}

.location-text {
    font-size: 12px;
    opacity: 0.8;
}

.login-form {
    padding: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.form-group label {
    display: flex;
    align-items: center;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
    font-size: 14px;
}

.form-group label i {
    margin-right: var(--spacing-sm);
    color: var(--primary-color);
    width: 16px;
}

.form-group input {
    width: 100%;
    padding: var(--spacing-lg);
    border: 2px solid #e1e5e9;
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.password-toggle {
    position: absolute;
    right: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-color);
    cursor: pointer;
    padding: var(--spacing-xs);
    margin-top: 20px;
    transition: color 0.3s ease;
}

.password-toggle:hover {
    color: var(--primary-color);
}

.remember-me {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.remember-me input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.remember-me label {
    margin: 0;
    font-weight: 400;
    font-size: 14px;
    cursor: pointer;
}

.login-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    border: none;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(26, 115, 232, 0.3);
}

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

.login-error {
    background: #fee;
    color: var(--accent-color);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid #fcc;
    margin-top: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 14px;
    animation: shake 0.5s ease-in-out;
}

.login-footer {
    padding: var(--spacing-lg);
    text-align: center;
    border-top: 1px solid #e1e5e9;
    background: #f8f9fa;
}

.login-footer p {
    font-size: 12px;
    color: var(--gray-color);
}

/* Logout Button Styles */
.logout-btn {
    background: var(--accent-color);
    color: var(--white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-left: var(--spacing-md);
}

.logout-btn:hover {
    background: #c53929;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.logout-btn i {
    font-size: 12px;
}

/* Hide main content when not authenticated */
.login-screen.active ~ .sidebar,
.login-screen.active ~ .main-content {
    display: none;
}

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

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

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-5px);
    }
    75% {
        transform: translateX(5px);
    }
}

/* Responsive Design for Login */
@media (max-width: 480px) {
    .login-container {
        margin: var(--spacing-sm);
        max-width: none;
    }
    
    .login-header {
        padding: var(--spacing-lg);
    }
    
    .login-form {
        padding: var(--spacing-lg);
    }
    
    .company-logo {
        width: 50px;
        height: 50px;
    }
    
    .company-logo i {
        font-size: 20px;
    }
    
    .login-header h1 {
        font-size: 20px;
    }
}