:root {
    --primary: #2c3e50;
    --danger: #e74c3c;
    --safe: #27ae60;
    --accent: #f39c12;
}

body {
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    background: #f4f7f6;
    color: #333;
    padding-bottom: 50px;
}

header {
    background: var(--primary);
    color: white;
    padding: 1rem;
    text-align: center;
}

nav {
    display: flex;
    overflow-x: auto;
    background: white;
    sticky: top;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

nav button {
    flex: 1;
    padding: 15px;
    border: none;
    background: none;
    font-weight: bold;
    cursor: pointer;
}

section { display: none; padding: 20px; animation: fadeIn 0.3s; }
section.active { display: block; }

details {
    background: white;
    margin-bottom: 10px;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.btn-sos {
    background: var(--danger);
    color: white;
    width: 100%;
    padding: 20px;
    border-radius: 10px;
    font-size: 1.2rem;
    font-weight: bold;
    border: none;
    margin-top: 20px;
}

.btn-add { background: var(--safe); color: white; border: none; padding: 10px; border-radius: 5px; }

.link-box {
    display: block;
    background: white;
    padding: 15px;
    margin: 10px 0;
    text-decoration: none;
    color: var(--primary);
    border-left: 5px solid var(--accent);
    border-radius: 4px;
}

footer {
    text-align: center;
    padding: 20px 10px;
    margin-top: 30px;
    border-top: 1px solid #ddd; /* Une ligne fine pour séparer du contenu */
}

footer p {
    font-size: 0.75rem; /* Petit caractère */
    color: #7f8c8d; /* Gris discret */
    margin: 0;
}

footer a {
    color: #7f8c8d;
    text-decoration: none;
    font-weight: bold;
}

footer a:hover {
    color: var(--primary); /* Devient bleu au survol */
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }