:root {
    /* Colors - Dark, vibrant nightlife theme */
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --accent-primary: #ff0055;
    /* Neon Pink */
    --accent-secondary: #00e5ff;
    /* Cyan */
    --border-color: #333333;

    /* Spacing */
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--accent-secondary);
}

h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    background: rgba(18, 18, 18, 0.95);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--text-primary);
}

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

/* Hero */
.hero {
    height: 60vh;
    min-height: 400px;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/NikuUdon_20241106.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content {
    max-width: 800px;
}

.search-bar {
    margin-top: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.search-input {
    padding: 1rem;
    border-radius: 4px;
    border: none;
    width: 300px;
    background: white;
    font-family: inherit;
}

.btn {
    padding: 1rem 2rem;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 4px;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
}

.btn:hover {
    background: #d40047;
}

/* Directory Grid */
.directory-section {
    padding: var(--spacing-xl) 0;
}

.filters {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
}

.filter-tag {
    background: var(--card-bg);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    white-space: nowrap;
    cursor: pointer;
    font-size: 0.9rem;
}

.filter-tag.active {
    background: var(--accent-secondary);
    color: black;
    border-color: var(--accent-secondary);
    font-weight: 700;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.listing-card {
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.2s;
    border: 1px solid var(--border-color);
}

.listing-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-secondary);
}

.card-image {
    height: 200px;
    background-color: #333;
    background-size: cover;
    background-position: center;
}

.card-content {
    padding: var(--spacing-lg);
}

.rating {
    color: var(--accent-secondary);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.tags {
    display: flex;
    gap: 0.5rem;
    margin-top: var(--spacing-md);
}

.tag {
    font-size: 0.75rem;
    background: #333;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    background: var(--card-bg);
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-xl);
}

/* Ad Placeholders */
.ad-placeholder {
    background-color: #1e1e1e;
    border: 2px dashed #333;
    color: #666;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 2rem auto;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: bold;
    width: 100%;
    min-height: 100px;
    border-radius: 8px;
}