:root {
    --primary-color: #333;
    --accent-color: #007bff;
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --text-color: #212529;
    --text-muted: #6c757d;
    --nav-bg: #ffffff;
    --border-color: #eee;
    --container-width: 1100px;
}

[data-theme="dark"] {
    --primary-color: #f8f9fa;
    --accent-color: #3793ff;
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-color: #e0e0e0;
    --text-muted: #a0a0a0;
    --nav-bg: #1e1e1e;
    --border-color: #333;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: var(--nav-bg);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    padding: 20px 0;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--primary-color);
}

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

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 400;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: var(--accent-color);
}

main {
    min-height: calc(100vh - 200px);
}

.hero {
    text-align: center;
    margin-bottom: 60px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.pattern-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.pattern-card {
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

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

.pattern-image {
    width: 100%;
    height: 200px;
    background-color: #eee;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.pattern-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--accent-color) 25%, transparent 25%),
                linear-gradient(-45deg, var(--accent-color) 25%, transparent 25%),
                linear-gradient(45deg, transparent 75%, var(--accent-color) 75%),
                linear-gradient(-45deg, transparent 75%, var(--accent-color) 75%);
    background-size: 20px 20px;
    opacity: 0.1;
}

.pattern-image::after {
    content: 'Muster Bild';
    z-index: 1;
}

.pattern-content {
    padding: 20px;
}

.pattern-content h3 {
    margin-bottom: 10px;
    font-size: 1.25rem;
}

.pattern-meta {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.btn {
    display: inline-block;
    padding: 8px 16px;
    background: var(--accent-color);
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.875rem;
    transition: background 0.3s;
}

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

footer {
    background: var(--nav-bg);
    padding: 40px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 60px;
    border-top: 1px solid var(--border-color);
}

/* Detail Page */
.detail-view {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.detail-image {
    flex: 1;
    min-width: 300px;
    border-radius: 8px;
    overflow: hidden;
    background-color: #eee;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
}

.detail-image::after {
    content: 'Detailliertes Musterbild';
}

.detail-image img {
    width: 100%;
    display: block;
}

.detail-info {
    flex: 1;
    min-width: 300px;
}

.detail-info h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.detail-info p {
    margin-bottom: 20px;
}

.search-container {
    max-width: 600px;
    margin: 0 auto 30px auto;
    padding: 0 20px;
}

#pattern-search {
    width: 100%;
    padding: 12px 20px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-color);
    border-radius: 30px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    outline: none;
}

#pattern-search:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(55, 147, 255, 0.2);
}

.filter-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-color);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.filter-btn.active, .filter-btn:hover {
    background: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    margin-left: 20px;
}

.theme-toggle:hover {
    border-color: var(--accent-color);
}