:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: white;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.logo span {
    color: var(--secondary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--secondary-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 25px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

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

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
}

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

/* Hero Section */
.hero {
    background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(44, 62, 80, 0.8)),
                url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Summary Section */
.summary-section {
    padding: 60px 0;
    background-color: white;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.summary-card {
    text-align: center;
    padding: 30px 20px;
    border-radius: var(--border-radius);
    background-color: var(--light-color);
    transition: var(--transition);
}

.summary-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.summary-card i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.summary-card h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Doctors Grid */
.doctors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.doctor-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.doctor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.doctor-image {
    height: 200px;
    overflow: hidden;
}

.doctor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.doctor-card:hover .doctor-image img {
    transform: scale(1.1);
}

.doctor-info {
    padding: 20px;
}

.doctor-info h3 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

.specialization {
    color: var(--secondary-color);
    font-weight: 500;
    margin-bottom: 10px;
}

.rating {
    color: var(--warning-color);
    margin-bottom: 10px;
}

.rating span {
    color: #666;
    font-size: 0.9rem;
}

.fee {
    font-weight: 600;
    color: var(--success-color);
    margin-bottom: 15px;
}

.doctor-actions {
    display: flex;
    gap: 10px;
}

/* Section Titles */
.section-title {
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
    font-size: 2.2rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--secondary-color);
    margin: 10px auto;
    border-radius: 2px;
}

/* Forms */
.form-container {
    max-width: 800px;
    margin: 40px auto;
    padding: 40px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--primary-color);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

/* Filter Section */
.filter-section {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 40px;
}

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

/* Admin Dashboard */
.admin-header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 0;
}

.admin-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.admin-menu a {
    color: white;
    text-decoration: none;
    padding: 8px 15px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.admin-menu a:hover,
.admin-menu a.active {
    background-color: var(--secondary-color);
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.stat-card {
    background-color: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.stat-card h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Tables */
.data-table {
    width: 100%;
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.data-table th {
    background-color: var(--primary-color);
    color: white;
    padding: 15px;
    text-align: left;
}

.data-table td {
    padding: 15px;
    border-bottom: 1px solid #eee;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .doctors-grid {
        grid-template-columns: 1fr;
    }

    .form-container {
        padding: 20px;
    }
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: white;
    padding: 60px 0 20px;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-links h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links a {
    color: #ddd;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #aaa;
    font-size: 0.9rem;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: white;
        flex-direction: column;
        padding: 20px;
        transition: var(--transition);
        box-shadow: var(--box-shadow);
        z-index: 1000;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        width: 100%;
        text-align: center;
    }
    
    body.menu-open {
        overflow: hidden;
    }
}

/* Search Results Dropdown */
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: 1000;
}

.search-results.active {
    display: block;
}

.search-result-item {
    display: flex;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid #eee;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.search-result-item:hover {
    background-color: #f9f9f9;
}

.search-result-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 15px;
}

.search-result-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.search-result-info h4 {
    margin: 0 0 5px 0;
    font-size: 1rem;
}

.search-result-info p {
    margin: 0;
    color: #666;
    font-size: 0.9rem;
}

.search-result-view-all {
    display: block;
    padding: 15px;
    text-align: center;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
}

/* Validation Styles */
.form-control.error {
    border-color: var(--accent-color);
    background-color: rgba(231, 76, 60, 0.05);
}

.validation-error {
    color: var(--accent-color);
    font-size: 0.85rem;
    margin-top: 5px;
    display: block;
}

/* Notifications */
.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    max-width: 400px;
}

.notification {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 15px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: slideIn 0.3s ease;
}

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

.notification-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

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

.notification.warning {
    border-left: 4px solid var(--warning-color);
}

.notification.info {
    border-left: 4px solid var(--secondary-color);
}

.notification-close {
    background: none;
    border: none;
    color: #999;
    cursor: pointer;
    padding: 0;
    font-size: 1rem;
    transition: var(--transition);
}

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

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 100;
    box-shadow: var(--box-shadow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

/* Loading Indicators */
.loading {
    text-align: center;
    padding: 40px;
    color: #666;
}

.loading i {
    margin-right: 10px;
}

/* Tooltips */
.tooltip {
    position: absolute;
    background: var(--dark-color);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
    z-index: 9999;
    pointer-events: none;
    white-space: nowrap;
}

.tooltip:after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--dark-color);
}

/* Hospital Affiliation */
.affiliation-group {
    background: #f9f9f9;
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    position: relative;
}

.remove-hospital {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 5px 10px;
    font-size: 0.8rem;
}

/* Date Helper */
.date-helper {
    display: block;
    color: #666;
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Advanced Filters */
.advanced-filters {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.advanced-filters.active {
    max-height: 500px;
    margin-top: 20px;
}

.advanced-filters-toggle {
    background: none;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 10px;
}

/* Featured Badge */
.featured-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--warning-color);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.doctor-image {
    position: relative;
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    .container {
        max-width: 100% !important;
        padding: 0 !important;
    }
}

/* Responsive Tables */
@media (max-width: 768px) {
    .data-table {
        display: block;
        overflow-x: auto;
    }
}

/* Animation for Doctor Cards */
.doctor-card {
    animation: fadeInUp 0.5s ease;
}

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

/* Smooth Transitions */
* {
    scroll-behavior: smooth;
}

/* Focus Styles for Accessibility */
:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Skip to Content Link for Accessibility */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    z-index: 9999;
    text-decoration: none;
}

.skip-to-content:focus {
    top: 0;
}
/* Admin Panel Styles */
.admin-panel {
    display: flex;
    min-height: calc(100vh - 140px);
}

.admin-sidebar {
    width: 250px;
    background: #2c3e50;
    color: white;
    padding: 20px 0;
}

.admin-sidebar .sidebar-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid #34495e;
}

.admin-sidebar ul {
    list-style: none;
    padding: 0;
}

.admin-sidebar li {
    margin: 5px 0;
}

.admin-sidebar a {
    display: block;
    padding: 12px 20px;
    color: #ecf0f1;
    text-decoration: none;
    transition: all 0.3s;
}

.admin-sidebar a:hover,
.admin-sidebar a.active {
    background: #34495e;
    color: white;
}

.admin-sidebar a i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.admin-content {
    flex: 1;
    padding: 30px;
    background: #f8f9fa;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e9ecef;
}

.page-header h1 {
    margin: 0;
    color: #2c3e50;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #495057;
}

.form-control {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.15s;
}

.form-control:focus {
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,0.25);
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #dee2e6;
}

/* Card Styles */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.card-header {
    padding: 20px;
    border-bottom: 1px solid #e9ecef;
}

.card-header h3 {
    margin: 0;
    color: #2c3e50;
}

.card-body {
    padding: 20px;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
}

.btn i {
    font-size: 14px;
}

.btn-primary {
    background: #007bff;
    color: white;
}

.btn-primary:hover {
    background: #0056b3;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #545b62;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #bd2130;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-success:hover {
    background: #1e7e34;
}

/* Alert Styles */
.alert {
    padding: 15px 20px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}