body {
    margin: 0;
    padding: 0;
    height: 100vh;
    background: linear-gradient(135deg, #1B7F5F, #28a745);
    font-family: 'Segoe UI', sans-serif;
    display: flex;
    flex-direction: column;
}

    .main-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
    padding: 20px;
}

.main-container h1 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 40px;
    text-shadow: 1px 1px 5px rgba(0,0,0,0.3);
}

/* Icône centrale */
.icon {
    width: 120px;           
    height: 120px;          
    object-fit: contain;    
    margin-bottom: 25px;    
    border-radius: 20%;     
    box-shadow: 0 8px 25px rgba(0,0,0,0.25);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.icon:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 30px rgba(0,0,0,0.35);
}

.clinic-name {
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 30px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
}

/* Bouton Login */
.login-btn {
    background-color: #ffffff;
    color: #1B7F5F;
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.login-btn:hover {
    background-color: #28a745;
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.25);
}

footer {
    text-align: center;
    padding: 15px;
    color: #ddd;
    background-color: rgba(0,0,0,0.1);
    font-weight: 600;
}

@media (max-width: 576px) {
    .main-container h1 {
    font-size: 2rem;
}
.icon {
    width: 90px;
    height: 90px;
}

.clinic-name {
    font-size: 1.5rem;
}
.login-btn {
    padding: 10px 25px;
    font-size: 0.9rem;
}
}