body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(-45deg, #1d1f31, #2a2e45, #202534, #1a1d2a);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
    color: #fff;
    text-align: center;
}

@keyframes gradient {
    0% {background-position: 0% 50%;}
    50% {background-position: 100% 50%;}
    100% {background-position: 0% 50%;}
}

.container {
    width: 95%;
    max-width: 1200px; /* au lieu de 800px */
    margin: 50px auto;
}

.header h1 {
    font-size: 32px;
    margin-bottom: 20px;
}

.topbar {
    margin-bottom: 40px;
    text-align: right;
}

.topbar a {
    margin-left: 10px;
}

.download-block {
    border: 1px solid #444;
    background-color: #2c2f3e;
    color: #fff;
    margin: 5px;
    padding: 10px;
    border-radius: 25px;
}

.download-block {
    border: 1px solid #444;
    background-color: #2c2f3e;
    color: #fff;
    margin: 5px;
    padding: 10px;
    border-radius: 25px;
}

.download-block:hover {
    transform: scale(1.02);
    transition: transform 0.2s ease;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

button, .btn-blue, .btn-red {
    padding: 10px 20px;
    margin-top: 10px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.3s ease;
}

.btn-blue {
    background-color: #3b82f6;
    color: #fff;
}

.btn-blue:hover {
    background-color: #2563eb;
}

.btn-red {
    background-color: #dc2626;
    color: #fff;
}

.btn-red:hover {
    background-color: #b91c1c;
}

a {
    text-decoration: none;
    color: inherit;
}

.message {
    font-size: 18px;
    margin-top: 40px;
}

.message.error {
    color: #f87171;
}

.logo-header {
    text-align: center;
    margin-bottom: 20px;
}

.logo-header img {
    max-width: 200px;
    height: auto;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    justify-items: center;
    margin-top: 20px;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    justify-items: center;
    margin-top: 30px;
}

.download-block h3 {
    margin: 10px 0 5px 0;
}

.download-block p {
    font-size: 14px;
    color: #fafafa;
    margin-bottom: 10px;
}

/* Spécifique à admin.php - gestion des packs */
.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    padding: 0 20px;
    margin: 20px auto;
    max-width: 1100px; /* réduit à 1100px pour contenir 4 blocs max */
}


.admin-pack {
    background-color: #2c2f4a;
    border: 1px solid #444;
    border-radius: 12px;
    padding: 20px;
    min-height: 240px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.admin-pack strong,
.admin-pack em,
.admin-pack p {
    color: #ddd;
}