/* CSS Variables for Theme */
:root {
    --primary-black: #000000;
    --primary-green: #9ACD32;
    --dark-bg: #121212;
    --dark-surface: #1e1e1e;
    --dark-text: #ffffff;
    --light-bg: #ffffff;
    --light-surface: #f5f5f5;
    --light-text: #333333;
    --border-radius: 8px;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

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

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

body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--dark-text);
}

/* Header Styles */
.header {
    background-color: var(--primary-black);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

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

.nav-links a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

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

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: rgba(255,255,255,0.1);
}

/* Main Content */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-black) 0%, #2c3e50 100%);
    color: white;
    padding: 4rem 2rem;
    text-align: center;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-green);
}

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

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

body.dark-mode .search-form {
    background-color: var(--dark-surface);
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--light-text);
}

body.dark-mode .form-group label {
    color: var(--dark-text);
}

.form-control {
    padding: 0.75rem;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

body.dark-mode .form-control {
    background-color: var(--dark-bg);
    border-color: #444;
    color: var(--dark-text);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-green);
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-green);
    color: var(--primary-black);
    font-weight: 600;
}

.btn-primary:hover {
    background-color: #7cb305;
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

/* Properties Grid */
.properties-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.property-card {
    background-color: var(--light-surface);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

body.dark-mode .property-card {
    background-color: var(--dark-surface);
}

.property-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

.property-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.property-info {
    padding: 1.5rem;
}

.property-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-green);
    margin-bottom: 0.5rem;
}

.property-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.property-location {
    color: #666;
    margin-bottom: 1rem;
}

body.dark-mode .property-location {
    color: #ccc;
}

.property-features {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background-color: var(--primary-black);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.hidden { display: none; }

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .search-grid {
        grid-template-columns: 1fr;
    }
    
    .properties-grid {
        grid-template-columns: 1fr;
    }
}
/* Header Dropdown Styles */
.dropdown {
    position: relative;
}

.dropdown-toggle::after {
    content: ' ▾';
    font-size: 0.8em;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--light-surface);
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    list-style: none;
    z-index: 1000;
}

body.dark-mode .dropdown-menu {
    background-color: var(--dark-surface);
    border-color: #444;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    border-bottom: 1px solid #eee;
}

body.dark-mode .dropdown-menu li {
    border-bottom-color: #444;
}

.dropdown-menu li:last-child {
    border-bottom: none;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--light-text);
    text-decoration: none;
    transition: var(--transition);
}

body.dark-mode .dropdown-menu a {
    color: var(--dark-text);
}

.dropdown-menu a:hover {
    background-color: var(--primary-green);
    color: var(--primary-black);
}

.dropdown-divider {
    height: 1px;
    background-color: #eee;
    margin: 0.5rem 0;
}

body.dark-mode .dropdown-divider {
    background-color: #444;
}

/* Upgrade Button */
.upgrade-btn {
    background-color: var(--primary-green);
    color: var(--primary-black) !important;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

.upgrade-btn:hover {
    background-color: #7cb305 !important;
    transform: translateY(-2px);
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    background-color: var(--primary-black);
    padding: 1rem;
}

.mobile-nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-nav-links a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 0;
    display: block;
    border-bottom: 1px solid #333;
}

.mobile-nav-links a:hover {
    color: var(--primary-green);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .mobile-menu.active {
        display: block;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: transparent;
        border: none;
        box-shadow: none;
    }
    
    body.dark-mode .dropdown-menu {
        background: transparent;
    }
    
    .dropdown-menu a {
        color: white;
        padding-left: 2rem;
    }
}
/* Footer Styles */
.footer {
    background-color: var(--primary-black);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: auto;
}

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

.footer-section h3,
.footer-section h4 {
    color: var(--primary-green);
    margin-bottom: 1rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: bold;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

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

.footer-links a:hover {
    color: var(--primary-green);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #333;
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--primary-green);
    color: var(--primary-black);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 1rem;
    text-align: center;
    color: #999;
    font-size: 0.9rem;
}

/* Main content min-height */
.main-content {
    min-height: calc(100vh - 200px);
}
/* Authentication Styles */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
    padding: 2rem 0;
}

.auth-card {
    background-color: var(--light-surface);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 400px;
}

body.dark-mode .auth-card {
    background-color: var(--dark-surface);
}

.auth-title {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--primary-green);
    font-size: 1.8rem;
}

.auth-subtitle {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #666;
}

body.dark-mode .auth-subtitle {
    color: #ccc;
}

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

.auth-form label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.password-options {
    display: flex;
    justify-content: flex-end;
    margin-top: 0.5rem;
}

.forgot-password {
    font-size: 0.9rem;
    color: var(--primary-green);
    text-decoration: none;
}

.forgot-password:hover {
    text-decoration: underline;
}

.auth-links {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #eee;
}

body.dark-mode .auth-links {
    border-top-color: #444;
}

.auth-links a {
    color: var(--primary-green);
    text-decoration: none;
}

.auth-links a:hover {
    text-decoration: underline;
}

/* Alert Styles */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alert-error {
    background-color: #fee;
    border: 1px solid #fcc;
    color: #c33;
}

body.dark-mode .alert-error {
    background-color: #322;
    border-color: #633;
    color: #f99;
}

.alert-success {
    background-color: #efe;
    border: 1px solid #cfc;
    color: #363;
}

body.dark-mode .alert-success {
    background-color: #232;
    border-color: #363;
    color: #9f9;
}

/* Debug Info (remove in production) */
.debug-info {
    background-color: #ffeb3b;
    color: #333;
    padding: 0.75rem;
    border-radius: var(--border-radius);
    margin-top: 1rem;
    font-family: monospace;
    text-align: center;
    border: 1px dashed #ff9800;
}

body.dark-mode .debug-info {
    background-color: #ff9800;
    color: #000;
}

/* OTP Input */
.otp-input {
    letter-spacing: 0.5rem;
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
}

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

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