/* Style de la page de connexion */
body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #191717 0%, #8B0000 100%);
    color: #f4f4f2;
    font-family: 'Segoe UI', system-ui, sans-serif;
    margin: 0;
    padding: 0;
}
.login-container {
    max-width: 480px;
    width: 100%;
    padding: 3rem 2rem;
    background: #191717;
    color: #f4f4f2;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(25,23,23,0.30);
    text-align: center;
}
.login-logo {
    width: 140px;
    margin-bottom: 2rem;
    filter: brightness(0.9);
}
.login-container h1 {
    font-size: 2.2rem;
    color: #8B0000;
    margin-bottom: 2rem;
}
.login-container input {
    width: 95%;
    font-size: 1.15rem;
    padding: 1rem;
    margin-bottom: 1.2rem;
    border: 1px solid #ccc;
    border-radius: 8px;
}
.login-container button {
    background: #8B0000;
    color: #fff;
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 500;
}
.login-container .error {
    color: #d8000c;
    background: #ffd2d2;
    border-radius: 8px;
    padding: 0.7rem;
    margin-bottom: 1.2rem;
    font-size: 1rem;
}