body {
    background: linear-gradient(135deg, #cccccc 0%, #eeeeee 100%);
    min-height: 100vh;
    font-family: 'Noto Sans KR', sans-serif;
}

.postal-container {
    width: 90%;
    max-width: 1200px;
    margin: 60px auto;
}

.page-header {
    text-align: center;
    margin-bottom: 40px;
}

.page-header h2 {
    font-weight: 700;
    color: #2c3e50;
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.page-header p {
    color: #666;
}

.home-link {
    color: #555;
    text-decoration: none;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.5);
    padding: 5px 15px;
    border-radius: 20px;
    transition: all 0.2s;
}

.home-link:hover {
    background: white;
    color: #333;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.search-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    padding: 40px;
    border: none;
}

.search-input-group {
    position: relative;
    margin-bottom: 30px;
}

.search-input-group input {
    width: 100%;
    height: 60px;
    font-size: 1.2rem;
    border-radius: 12px;
    padding-left: 20px;
    border: 2px solid #e9ecef;
    transition: border-color 0.2s;
}

.search-input-group input:focus {
    border-color: #8ec5fc;
    box-shadow: 0 0 0 4px rgba(142, 197, 252, 0.1);
}

.btn-search {
    height: 60px;
    padding: 0 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    transition: opacity 0.2s;
}

.btn-search:hover {
    opacity: 0.9;
    color: white;
}

.result-card {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 25px;
    margin-top: 30px;
    display: none;
    /* Initially hidden */
    animation: fadeIn 0.3s ease;
    border: 1px solid #e9ecef;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.result-item:last-child {
    border-bottom: none;
}

.result-label {
    font-weight: 600;
    color: #666;
    font-size: 1.1rem;
}

.result-value {
    font-weight: 700;
    font-size: 1.2rem;
    color: #333;
}

.postcode-badge {
    background: #ff6b6b;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-family: 'Courier New', monospace;
    font-size: 1.4rem;
}

.coord-value {
    color: #667eea;
    font-family: monospace;
}

.error-message {
    color: #dc3545;
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 10px;
    padding: 15px;
    margin-top: 20px;
    text-align: center;
    display: none;
}

.loading-spinner {
    text-align: center;
    margin-top: 20px;
    display: none;
}