/* Dark mode variables */
:root {
    --primary-color: #4a90e2; /* Slateblue - calming purple */
    --secondary-color: #5fb878; /* Soft green - growth and healing */
    --text-color: #333;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --bg-color: #ffffff;
    --card-bg: #ffffff;
    --chat-bg: #f8f9fa;
    --border-color: #eee;
    --shadow-color: rgba(0,0,0,0.1);
    --input-bg: #ffffff;
    --input-border: #e0e0e0;
}

[data-theme="dark"] {
    --text-color: #ffffff;
    --light-gray: #2d2d2d;
    --white: #1a1a1a;
    --bg-color: #1a1a1a;
    --card-bg: #2d2d2d;
    --chat-bg: #2d2d2d;
    --border-color: #404040;
    --shadow-color: rgba(0,0,0,0.3);
    --input-bg: #3d3d3d;
    --input-border: #404040;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: all 0.3s ease;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: var(--card-bg);
    box-shadow: 0 2px 10px var(--shadow-color);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

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

.nav-links a.active {
    color: var(--primary-color);
    background-color: var(--chat-bg);
}

.login-buttons {
    display: flex;
    gap: 1rem;
}

.patient-login, .doctor-login {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    color: #ffffff !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.patient-login {
    background-color: var(--primary-color) !important;
    border: none;
    color: #ffffff !important;
}

.doctor-login {
    background-color: var(--secondary-color) !important;
    border: none;
    color: #ffffff !important;
}

.patient-login:hover {
    background-color: #357abd !important;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

.doctor-login:hover {
    background-color: #3da861 !important;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(80, 200, 120, 0.3);
}

.hero {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1576091160550-2173dba999ef?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #ffffff !important;
    padding: 0 1rem;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #ffffff;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

/* Add an overlay to ensure text visibility */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.6));
    z-index: 0;
}

.primary-btn {
    background-color: var(--primary-color);
    color: #ffffff !important;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.4);
    background-color: #357abd;
    border-color: #ffffff;
}

/* Ensure the Get Started button in hero section is more visible */
.hero .primary-btn {
    background-color: var(--primary-color);
    color: #ffffff !important;
    font-weight: 600;
    letter-spacing: 0.5px;
    position: relative;
    z-index: 2;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 1001;
}

.modal-content {
    background-color: var(--white);
    margin: 15% auto;
    padding: 2rem;
    border-radius: 10px;
    width: 90%;
    max-width: 400px;
    position: relative;
}

.close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
}

.form-group input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

/* Mobile Navigation */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
    padding: 0.5rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .navbar {
        padding: 1rem 3%;
    }
    
    .nav-links {
        gap: 1.5rem;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .navbar {
        flex-direction: column;
        padding: 1rem;
        position: relative;
    }
    
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        margin: 1rem 0;
        gap: 0.5rem;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        padding: 0.8rem 1rem;
        text-align: center;
        border-radius: 8px;
        margin: 0.2rem 0;
    }
    
    .login-buttons {
        width: 100%;
        justify-content: center;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .patient-login, .doctor-login {
        width: 100%;
        padding: 1rem;
        font-size: 1.1rem;
    }
    
    .hero {
        height: 80vh;
        padding: 0 1rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .primary-btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
        padding: 1.5rem;
    }
    
    .form-group input {
        padding: 1rem;
        font-size: 1rem;
    }
    
    .theme-toggle {
        margin-left: 0;
        margin-top: 1rem;
    }
}

@media (max-width: 480px) {
    .navbar {
        padding: 0.8rem;
    }
    
    .logo {
        font-size: 1.3rem;
    }
    
    .hero {
        height: 70vh;
        padding: 0 0.5rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 0.9rem;
    }
    
    .primary-btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .modal-content {
        width: 98%;
        margin: 5% auto;
        padding: 1rem;
    }
    
    .form-group {
        margin-bottom: 1rem;
    }
    
    .form-group input {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
    
    .patient-login, .doctor-login {
        padding: 0.8rem;
        font-size: 1rem;
    }
}

/* Tablet Landscape */
@media (min-width: 769px) and (max-width: 1024px) {
    .navbar {
        padding: 1rem 4%;
    }
    
    .hero h1 {
        font-size: 3.2rem;
    }
    
    .nav-links {
        gap: 1.8rem;
    }
}

/* Large Desktop */
@media (min-width: 1440px) {
    .navbar {
        padding: 1rem 8%;
    }
    
    .hero h1 {
        font-size: 4rem;
    }
    
    .hero p {
        font-size: 1.3rem;
    }
    
    .nav-links {
        gap: 2.5rem;
    }
}

/* Theme Toggle Styles */
.theme-toggle {
    margin-left: 20px;
    display: flex;
    align-items: center;
}

.dark-mode-checkbox {
    display: none;
}

.dark-mode-label {
    width: 60px;
    height: 30px;
    position: relative;
    display: block;
    background: #ebebeb;
    border-radius: 200px;
    box-shadow: inset 0px 5px 15px rgba(0,0,0,0.1), inset 0px -5px 15px rgba(255,255,255,0.1);
    cursor: pointer;
    transition: 0.3s;
}

.dark-mode-label:after {
    content: "";
    width: 28px;
    height: 28px;
    position: absolute;
    top: 1px;
    left: 1px;
    background: linear-gradient(180deg, #ffcc89, #d8860b);
    border-radius: 180px;
    box-shadow: 0px 5px 10px rgba(0,0,0,0.2);
    transition: 0.3s;
}

.theme-toggle {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.theme-toggle i.fa-moon {
    position: absolute;
    top: -25px;
    color: #c8e3ff;
    font-size: 18px;
    opacity: 0;
    transition: 0.3s;
}

.dark-mode-checkbox:checked ~ .fa-moon {
    opacity: 1;
}

/* Sun icon removed as requested */

.dark-mode-checkbox:checked + .dark-mode-label {
    background: #242424;
}

.dark-mode-checkbox:checked + .dark-mode-label:after {
    left: 31px;
    transform: translateX(0);
    background: linear-gradient(180deg, #777, #3a3a3a);
}

.dark-mode-checkbox:checked + .dark-mode-label .fa-sun {
    opacity: 0;
}

/* Moon icon is now outside the label, so this selector is no longer needed */

/* Dark mode specific styles */
[data-theme="dark"] .nav-links a {
    color: #e0e0e0;
}

[data-theme="dark"] .nav-links a:hover {
    color: var(--primary-color);
    background-color: rgba(74, 144, 226, 0.1);
}

[data-theme="dark"] .nav-links a.active {
    color: var(--primary-color);
    background-color: rgba(74, 144, 226, 0.1);
}

[data-theme="dark"] .logo {
    color: #ffffff;
}

[data-theme="dark"] .logo i {
    color: var(--primary-color);
}

/* Update other dark mode text colors for better contrast */
[data-theme="dark"] .chat-header p,
[data-theme="dark"] .service-card p {
    color: #b0b0b0;
}

[data-theme="dark"] .chat-input input::placeholder {
    color: #888;
}

[data-theme="dark"] .service-card:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* About Page Dark Mode Styles */
[data-theme="dark"] .about-hero {
    background: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.8)), url('path-to-your-about-image.jpg');
}

[data-theme="dark"] .mission-section,
[data-theme="dark"] .values-section {
    background-color: var(--card-bg);
    color: var(--text-color);
}

[data-theme="dark"] .stats-card {
    background-color: var(--card-bg);
    box-shadow: 0 4px 15px var(--shadow-color);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .stats-number {
    color: var(--primary-color);
}

[data-theme="dark"] .stats-label {
    color: #b0b0b0;
}

[data-theme="dark"] .value-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .value-card:hover {
    background-color: rgba(255, 255, 255, 0.05);
    transform: translateY(-5px);
}

/* Dashboard Dark Mode Styles */
[data-theme="dark"] .dashboard-container {
    background-color: var(--bg-color);
}

[data-theme="dark"] .sidebar {
    background-color: var(--card-bg);
    border-right: 1px solid var(--border-color);
}

[data-theme="dark"] .sidebar-menu a {
    color: #e0e0e0;
}

[data-theme="dark"] .sidebar-menu a:hover,
[data-theme="dark"] .sidebar-menu a.active {
    background-color: rgba(74, 144, 226, 0.1);
    color: var(--primary-color);
}

[data-theme="dark"] .dashboard-main {
    background-color: var(--bg-color);
}

[data-theme="dark"] .dashboard-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px var(--shadow-color);
}

[data-theme="dark"] .dashboard-card h3 {
    color: #ffffff;
}

[data-theme="dark"] .dashboard-card p {
    color: #b0b0b0;
}

[data-theme="dark"] .appointment-card,
[data-theme="dark"] .medical-record-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .appointment-card:hover,
[data-theme="dark"] .medical-record-card:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .dashboard-table {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .dashboard-table th {
    background-color: rgba(74, 144, 226, 0.1);
    color: #ffffff;
}

[data-theme="dark"] .dashboard-table td {
    border-bottom: 1px solid var(--border-color);
    color: #e0e0e0;
}

[data-theme="dark"] .dashboard-table tr:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .status-pill {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .status-pill.active {
    background-color: rgba(80, 200, 120, 0.2);
    color: #50c878;
}

[data-theme="dark"] .status-pill.pending {
    background-color: rgba(255, 193, 7, 0.2);
    color: #ffc107;
}

[data-theme="dark"] .status-pill.cancelled {
    background-color: rgba(220, 53, 69, 0.2);
    color: #dc3545;
}

/* Chart and Graph Dark Mode */
[data-theme="dark"] .chart-container {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .chart-title {
    color: #ffffff;
}

[data-theme="dark"] .chart-legend {
    color: #b0b0b0;
}

/* Form Elements Dark Mode */
[data-theme="dark"] .dashboard-form input,
[data-theme="dark"] .dashboard-form select,
[data-theme="dark"] .dashboard-form textarea {
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    color: #e0e0e0;
}

[data-theme="dark"] .dashboard-form input:focus,
[data-theme="dark"] .dashboard-form select:focus,
[data-theme="dark"] .dashboard-form textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
}

[data-theme="dark"] .dashboard-form label {
    color: #e0e0e0;
}