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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #64748b;
    --success-color: #22c55e;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #f8fafc;
    --surface-color: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --sidebar-width: 250px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: var(--surface-color);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    color: var(--primary-color);
    margin-bottom: 8px;
    font-size: 32px;
}

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

.login-footer {
    text-align: center;
    margin-top: 20px;
    color: var(--text-secondary);
}

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

.sidebar {
    width: var(--sidebar-width);
    background: var(--surface-color);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    color: var(--primary-color);
    font-size: 20px;
}

.nav-menu {
    list-style: none;
    padding: 16px 0;
    flex: 1;
}

.nav-menu li {
    margin: 4px 0;
}

.nav-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s;
}

.nav-menu a:hover {
    background: var(--bg-color);
    color: var(--primary-color);
}

.nav-menu a.active {
    background: var(--primary-color);
    color: white;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.page-header {
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    padding: 24px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 600;
}

.user-info {
    color: var(--text-secondary);
    font-size: 14px;
}

.content {
    padding: 32px;
    flex: 1;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
}

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

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-block;
}

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

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

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

.btn-secondary:hover {
    background: #475569;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.kpi-card {
    background: var(--surface-color);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.kpi-card h3 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-weight: 500;
}

.kpi-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
}

.data-table-container {
    background: var(--surface-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

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

.data-table thead {
    background: var(--bg-color);
}

.data-table th {
    padding: 16px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 16px;
    border-top: 1px solid var(--border-color);
}

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

.loading,
.empty {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px !important;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge-active {
    background: #dcfce7;
    color: #166534;
}

.badge-completed {
    background: #dbeafe;
    color: #1e40af;
}

.badge-in {
    background: #dcfce7;
    color: #166534;
}

.badge-out {
    background: #fee2e2;
    color: #991b1b;
}

.badge-adjustment {
    background: #fef3c7;
    color: #92400e;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.2s;
}

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

.modal-content {
    background-color: var(--surface-color);
    margin: 5% auto;
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s;
    scrollbar-width: thin;
    scrollbar-color: var(--secondary-color) var(--bg-color);
}

.modal-content::-webkit-scrollbar {
    width: 8px;
}

.modal-content::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-radius: 10px;
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 10px;
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

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

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

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

.close,
.modal-close {
    color: var(--text-secondary);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    background: none;
    border: none;
}

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

.close-delete {
    color: var(--text-secondary);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

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

.modal form {
    padding: 24px;
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

.error-message {
    color: var(--danger-color);
    font-size: 14px;
    margin-top: 12px;
}

.success-message {
    color: var(--success-color);
    font-size: 14px;
    margin-top: 12px;
    font-weight: 500;
}

.message {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 2000;
    animation: slideInRight 0.3s;
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

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

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

.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
}

.tab-btn {
    padding: 10px 20px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

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

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

.tab-content {
    display: none;
}

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

.app-footer {
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
    padding: 20px 32px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: auto;
}

.app-footer p {
    margin: 4px 0;
}

.app-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.app-footer a:hover {
    text-decoration: underline;
}

.veb-logo {
    font-weight: 700;
    color: var(--primary-color);
}

.priority-badge, .status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
}

.priority-low {
    background: #e0f2fe;
    color: #0369a1;
}

.priority-medium {
    background: #fef3c7;
    color: #a16207;
}

.priority-high {
    background: #fee2e2;
    color: #b91c1c;
}

.priority-urgent {
    background: #fecaca;
    color: #991b1b;
    animation: pulse 2s infinite;
}

.status-pending {
    background: #f3f4f6;
    color: #374151;
}

.status-in-progress {
    background: #dbeafe;
    color: #1e40af;
}

.status-completed {
    background: #d1fae5;
    color: #065f46;
}

.status-cancelled {
    background: #fee2e2;
    color: #991b1b;
}

.badge {
    padding: 2px 8px;
    border-radius: 8px;
    font-size: 10px;
    background: var(--primary-color);
    color: white;
    margin-left: 8px;
}

.filters-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--surface-color);
    font-size: 14px;
}

.task-details {
    padding: 20px;
}

.task-details h3 {
    margin-bottom: 16px;
}

.detail-row {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.detail-section {
    margin-bottom: 20px;
    padding: 16px;
    background: var(--bg-color);
    border-radius: 8px;
}

.detail-section h4 {
    margin-bottom: 12px;
    color: var(--primary-color);
}

.detail-section p {
    margin: 8px 0;
}

.btn-icon {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    padding: 4px 8px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.btn-icon:hover {
    opacity: 1;
}

.btn-success {
    background: var(--success-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
}

.btn-success:hover {
    opacity: 0.9;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 70px;
    }
    
    .sidebar-header h2,
    .nav-menu a span,
    .sidebar-footer {
        display: none;
    }
    
    .main-content {
        margin-left: 70px;
    }
    
    .kpi-grid {
        grid-template-columns: 1fr;
    }
    
    .filters-bar {
        flex-direction: column;
    }
}

.schedule-panel {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.panel-header h3 {
    color: var(--primary-color);
    font-size: 20px;
    margin: 0;
}

.schedule-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.summary-card {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.summary-card h4 {
    color: var(--primary-color);
    font-size: 14px;
    margin-bottom: 8px;
    font-weight: 600;
}

.summary-card p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 4px 0;
}

.schedule-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.schedule-table thead {
    background: var(--bg-color);
}

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

.schedule-table th {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 13px;
}

.schedule-table td {
    font-size: 13px;
    color: var(--text-secondary);
}

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

.filters-bar {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 20px;
}