/* --- Βασικές Ρυθμίσεις --- */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f2f5;
    margin: 0;
    padding: 20px;
}

header {
    /* position: sticky; */
    top: 0;
    background-color: #f0f2f5;
    padding: 10px 0 20px 0;
    z-index: 100;
    text-align: center;
}

h2, h3 {
    color: #222;
    margin: 5px auto;
}

/* --- Search Bar Σχεδιασμός --- */
.search-container {
    max-width: 350px;
    margin: 0 auto;
}

#ralSearch {
    width: 100%;
    padding: 12px 20px;
    font-size: 1rem;
    border: 2px solid #ddd;
    border-radius: 25px;
    outline: none;
    transition: border-color 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

#ralSearch:focus {
    border-color: #0078d4;
}

/* --- Responsive Grid --- */
.ral-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    max-width: 1200px;
    margin: 20px auto;
}

/* --- Σχεδιασμός Κάρτας --- */
.ral-card {
    height: 120px;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    box-shadow: 0 3px 6px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.ral-card.hidden {
    display: none; /* Κρύβει τις κάρτες που δεν ταιριάζουν στην αναζήτηση */
}

.ral-code {
    font-size: 1.2rem;
    font-weight: bold;
    letter-spacing: 0.5px;
}