/* Big Data Pod Healthcare Analytics Styles */

:root {
    --primary-color: #2d3748;
    --secondary-color: #4299e1;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --border-color: #dee2e6;
    --shadow-light: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-medium: 0 4px 8px rgba(0,0,0,0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

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

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

.app-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem;
    box-shadow: var(--shadow-medium);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.header-content h1 {
    font-size: 1.8rem;
    font-weight: 600;
}

.header-content h1 i {
    color: var(--accent-color);
    margin-right: 0.5rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    background: rgba(255,255,255,0.1);
}

.connection-status.connected i {
    color: var(--success-color);
}

.connection-status.disconnected i {
    color: var(--accent-color);
}

.connection-status.connecting i {
    color: var(--warning-color);
    animation: pulse 1.5s infinite;
}

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

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.sidebar {
    width: 250px;
    background: white;
    border-right: 1px solid var(--border-color);
    padding: 2rem 0;
}

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

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    padding: 1rem 2rem;
    color: var(--dark-color);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.sidebar-nav .nav-link:hover {
    background-color: var(--light-color);
    border-left-color: var(--secondary-color);
}

.sidebar-nav .nav-link.active {
    background-color: rgba(52, 152, 219, 0.1);
    border-left-color: var(--secondary-color);
    color: var(--secondary-color);
}

.sidebar-nav .nav-link i {
    margin-right: 1rem;
    width: 20px;
}

/* Content Area */
.content-area {
    flex: 1;
    padding: 2rem;
    background-color: var(--light-color);
}

.content-section {
    display: none;
}

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

.section-header {
    margin-bottom: 2rem;
}

.section-header h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

.section-header p {
    color: #666;
    font-size: 1.1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background-color: #c3c9ce;
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}

.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

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

.stat-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stat-content p {
    color: #666;
    font-weight: 500;
}

/* Recent Activity */
.recent-activity {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.recent-activity h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.activity-lists {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.activity-section h4 {
    color: var(--dark-color);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

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

.activity-item {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

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

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

.activity-item h5 {
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.activity-item p {
    color: #666;
    font-size: 0.9rem;
}

.activity-item .time {
    color: #999;
    font-size: 0.8rem;
}

/* Search */
.search-container {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    margin-bottom: 2rem;
}

.search-box {
    display: flex;
    gap: 1rem;
    max-width: 600px;
}

.search-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* Search Results */
.search-results {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.info-message {
    padding: 3rem;
    text-align: center;
    color: #666;
}

.info-message i {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
    color: var(--secondary-color);
}

.results-list {
    padding: 0;
}

.result-item {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.result-item:hover {
    background-color: var(--light-color);
}

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

.result-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.result-item .patient-meta {
    display: flex;
    gap: 1rem;
    color: #666;
    font-size: 0.9rem;
}

.result-item .patient-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.modal-content {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideIn 0.3s ease;
}

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

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: between;
    align-items: center;
}

.modal-header h3 {
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #999;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--accent-color);
}

.modal-body {
    padding: 2rem;
}

/* Patient Details */
.patient-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.detail-group h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.detail-item {
    margin-bottom: 0.75rem;
}

.detail-item label {
    display: block;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.25rem;
}

.detail-item span {
    color: #666;
}

/* Tabs */
.patient-tabs {
    margin-top: 2rem;
}

.tab-buttons {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.tab-btn {
    background: none;
    border: none;
    padding: 1rem 1.5rem;
    cursor: pointer;
    color: #666;
    font-weight: 500;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

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

.tab-pane {
    display: none;
}

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

/* Data Lists */
.data-list {
    max-height: 400px;
    overflow-y: auto;
}

.data-item {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.data-item h5 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.data-item .meta {
    display: flex;
    gap: 1rem;
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.data-item .description {
    color: var(--dark-color);
}

/* Loading and Toast */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.3);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-medium);
}

.loading-spinner i {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.loading {
    text-align: center;
    padding: 2rem;
    color: #666;
}

.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    padding: 1rem;
    display: none;
    align-items: center;
    gap: 1rem;
    z-index: 1500;
    min-width: 300px;
    animation: slideInRight 0.3s ease;
}

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

.toast.active {
    display: flex;
}

.toast.success-toast {
    border-left: 4px solid var(--success-color);
}

.toast.error-toast {
    border-left: 4px solid var(--accent-color);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

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

.error-toast .toast-content i {
    color: var(--accent-color);
}

.toast-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: #999;
}

/* Placeholder Content */
.placeholder-content {
    text-align: center;
    padding: 4rem 2rem;
    color: #666;
}

.placeholder-content i {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.placeholder-content h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        padding: 1rem 0;
    }
    
    .sidebar-nav ul {
        display: flex;
        overflow-x: auto;
    }
    
    .sidebar-nav .nav-link {
        white-space: nowrap;
        border-left: none;
        border-bottom: 3px solid transparent;
    }
    
    .sidebar-nav .nav-link.active {
        border-left: none;
        border-bottom-color: var(--secondary-color);
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .stats-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .activity-lists {
        grid-template-columns: 1fr;
    }
    
    .search-box {
        flex-direction: column;
    }
    
    .patient-details {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        margin: 1rem;
    }
}

@media (max-width: 480px) {
    .stats-cards {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        padding: 1.5rem;
    }
    
    .content-area {
        padding: 1rem;
    }
}

/* Admin Panel Styles */
.admin-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 2rem;
}

.tab-btn {
    padding: 1rem 2rem;
    background: none;
    border: none;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    font-weight: 500;
    color: var(--dark-color);
}

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

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

.tab-content {
    display: none;
}

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

.users-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.users-header h3 {
    color: var(--primary-color);
}

.data-table {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    overflow-x: auto;
}

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

.table th {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

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

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
}

.badge-admin { background-color: var(--accent-color); color: white; }
.badge-clinician { background-color: var(--secondary-color); color: white; }
.badge-staff { background-color: var(--info-color); color: white; }
.badge-readonly { background-color: var(--warning-color); color: white; }
.badge-success { background-color: var(--success-color); color: white; }
.badge-danger { background-color: var(--accent-color); color: white; }

/* Patient Search Results Styles */
.patient-results {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    padding: 2rem;
    margin-top: 2rem;
}

.patient-results h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.results-list {
    display: grid;
    gap: 1rem;
}

.patient-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: white;
    cursor: pointer;
    transition: var(--transition);
}

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

.patient-info h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.patient-info p {
    margin-bottom: 0.25rem;
    color: var(--dark-color);
}

.patient-actions .btn {
    margin-left: 0.5rem;
}

/* Enhanced Statistics Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: linear-gradient(135deg, #4299e1, #63b3ed);
    color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

.stat-icon {
    font-size: 3rem;
    margin-right: 1.5rem;
    opacity: 0.8;
}

.stat-content h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.stat-content p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Form Styles for User Management */
.user-form .form-group {
    margin-bottom: 1.5rem;
}

.user-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.user-form input,
.user-form select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.user-form input:focus,
.user-form select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.1);
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Patient Details Modal Enhancement */
.patient-details {
    max-width: 800px;
}

.patient-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.patient-header h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.patient-mrn {
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 1.1rem;
}

.patient-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.info-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--secondary-color);
}

.visit-item {
    background: var(--light-color);
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.visit-item p {
    margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
    .patient-info-grid {
        grid-template-columns: 1fr;
    }
    
    .patient-card {
        flex-direction: column;
        text-align: center;
    }
    
    .patient-actions {
        margin-top: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Toast Notification Styles */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    min-width: 300px;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    z-index: 1000;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.toast.show {
    transform: translateX(0);
}

.error-toast {
    background-color: var(--accent-color);
    color: white;
}

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

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toast-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.toast-close:hover {
    opacity: 1;
}

/* Loading overlay styles */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.loading-spinner {
    text-align: center;
    color: white;
}

.loading-spinner i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.loading-spinner p {
    font-size: 1.2rem;
    font-weight: 500;
}