.alphabet-pave {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
    max-width: 280px;
    margin: 0 auto;
}

.alphabet-key {
    height: 44px;
    border-radius: 6px;
    /* Couleurs contrastées */
    background-color: #2f3a4a; /* bleu/gris foncé */
    color: #ffffff;
    border: 1px solid #1f2933;
    font-weight: 700;
    letter-spacing: 0.05em;
    transition: background-color 0.15s ease, transform 0.1s ease;
}

    /* Survol */
    .alphabet-key:hover {
        background-color: #3b4a5f;
    }

    /* Appui */
    .alphabet-key:active {
        transform: scale(0.95);
        background-color: #243140;
    }

    /* Focus clavier (accessibilité) */
    .alphabet-key:focus {
        outline: 2px solid #ffd54f;
        outline-offset: 2px;
    }

.oiseaux-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 14px;
}

.oiseau-card {
    background: #f4f6f8;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    padding: 14px;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
/*.oiseau-card,
.fiche-oiseau {
    background-color: rgba(255, 255, 255, 0.85);*/ /* blanc semi-transparent */
/*}*/

.oiseau-card,
.fiche-oiseau {
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px); /* Safari */
}


    .oiseau-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 6px 18px rgba(0,0,0,0.12);
    }

.categorie-tag {
    display: inline-block;
    margin-top: 6px;
    font-size: 0.75rem;
    padding: 3px 8px;
    border-radius: 12px;
    background: #2f3a4a;
    color: white;
}

.fiche-philo {
    max-width: 680px;
    margin: 0 auto;
    padding: 28px;
    background: rgba(30, 41, 59, 0.78); /* bleu nuit translucide */
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-radius: 18px;
    box-shadow: 0 14px 36px rgba(0,0,0,0.25);
    color: #f1f5f9; /* texte clair */
}
.titre-oiseau {
    font-size: 1.8rem;
    margin-bottom: 18px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    padding-bottom: 6px;
}
.section {
    margin-bottom: 18px;
}

.label {
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.7;
    margin-bottom: 6px;
}
.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip {
    padding: 4px 12px;
    font-size: 0.8rem;
    border-radius: 14px;
    background: rgba(255,255,255,0.16);
    color: #f8fafc;
}

.description {
    line-height: 1.7;
    font-size: 1rem;
    opacity: 0.95;
}

.categorie {
    font-style: italic;
    opacity: 0.85;
}

@media (max-width: 576px) {
    .alphabet-pave {
        grid-template-columns: repeat(4, 1fr); /* moins de colonnes */
        max-width: 100%;
        padding: 0 10px;
    }

    .alphabet-key {
        height: 52px; /* plus confortable au toucher */
        font-size: 1.1rem;
    }
}