:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --background-color: #f1f2f6;
    --font-color: #34495e;
    --card-background-color: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--background-color);
    color: var(--font-color);
    margin: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='6' height='6' viewBox='0 0 6 6' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%239C92AC' fill-opacity='0.1'%3E%3Cpath d='M5 0h1L0 6V5zM6 5v1H5z'/%3E%3C/g%3E%3C/svg%3E");
}

header {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 1rem;
    box-shadow: 0 2px 5px var(--shadow-color);
}

#filter-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    gap: 0.5rem;
}

#search-bar {
    padding: 0.5rem;
    border-radius: 5px;
    border: 1px solid #ccc;
    width: 200px;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border-radius: 5px;
    border: none;
    background-color: var(--secondary-color);
    color: white;
    cursor: pointer;
    transition: background-color 0.3s;
}

.filter-btn:hover {
    background-color: #27ae60;
}

.filter-btn.active {
    background-color: #27ae60;
    font-weight: bold;
}

main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    padding: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

footer {
    text-align: center;
    padding: 1rem;
    background-color: #34495e;
    color: white;
}

travel-destination {
    background-color: var(--card-background-color);
    border-radius: 10px;
    box-shadow: 0 10px 20px var(--shadow-color);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

travel-destination:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px var(--shadow-color);
}

.no-result {
    grid-column: 1 / -1;
    text-align: center;
    color: #999;
    font-size: 1rem;
    padding: 3rem 0;
}

header h1 {
    font-size: 1.8rem;
    margin: 0.5rem 0;
    letter-spacing: -0.5px;
}

#filter-container {
    flex-wrap: wrap;
}

#search-bar:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52,152,219,0.15);
}

footer {
    margin-top: 2rem;
}