/* Global Styles */
:root {
    --bg-body: #ffffff;
    --text-color: #333333;
    --bg-light-section: #f8f9fa;
    --text-muted: #6c757d;
    --card-bg: #ffffff;
    --navbar-bg: #212529;
    --navbar-text: rgba(255, 255, 255, 0.55);
    --navbar-active: #ffffff;
}

[data-theme="dark"] {
    --bg-body: #121212;
    --text-color: #e0e0e0;
    --bg-light-section: #1e1e1e;
    --text-muted: #adb5bd;
    --card-bg: #2c2c2c;
    --navbar-bg: #000000;
    --input-bg: #333333;
    --input-border: #444444;
    --input-text: #e0e0e0;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    scroll-behavior: smooth;
    color: var(--text-color);
    background-color: var(--bg-body);
    transition: background-color 0.3s, color 0.3s;
}

/* Forms (Dark Mode) */
[data-theme="dark"] .form-control {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--input-text);
}

[data-theme="dark"] .form-control:focus {
    background-color: var(--input-bg);
    color: var(--input-text);
    border-color: #0d6efd; /* Bootstrap primary color */
}

/* Disqus (adjusting background for better visibility if needed) */
#disqus_thread {
    background-color: var(--bg-light-section);
    padding: 20px;
    border-radius: 8px;
}

/* Navbar */
.navbar {
    background-color: var(--navbar-bg) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: background-color 0.3s;
}

.nav-link {
    font-weight: 500;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('https://upload.wikimedia.org/wikipedia/commons/f/f1/Heaven_Lake_at_Mount_Paektu.jpg');
    background-size: cover;
    background-position: center;
    height: 80vh;
    min-height: 500px;
}

/* Section Titles */
.section-title {
    position: relative;
    padding-bottom: 15px;
    font-weight: 700;
    color: var(--text-color); /* Updated to use variable */
}

.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 3px;
    background-color: #dc3545; /* Red accent */
}

/* Center alignment for titles in centered sections */
.text-center .section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

/* Cards */
.card {
    background-color: var(--card-bg);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

/* Backgrounds */
.bg-light {
    background-color: var(--bg-light-section) !important;
    transition: background-color 0.3s;
}

.text-muted {
    color: var(--text-muted) !important;
}

/* Food Cards */
.food-card {
    border: none;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.food-card:hover {
    transform: translateY(-5px);
}

.card-img-overlay-container {
    background-size: cover;
    background-position: center;
}

.gradient-overlay {
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    border-radius: 0 0 5px 5px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
}