body {
    font-family: 'Montserrat', sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, var(--navy), var(--blue));
}

.auth-container {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 400px;
    text-align: center;
}

.auth-container input,
.auth-container select {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: var(--radius-sm);
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.auth-container input:focus,
.auth-container select:focus { border-color: var(--primary); }

.btn-submit {
    background: var(--navy);
    color: var(--white);
    border: none;
    padding: 12px;
    width: 100%;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: bold;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    margin-top: 10px;
    transition: opacity 0.2s;
}

.btn-submit:hover { opacity: 0.9; }

#message { font-size: 13px; margin-top: 12px; min-height: 18px; }

.auth-container p  { margin-top: 20px; font-size: 13px; color: var(--grey); }
.auth-container a  { color: var(--blue); font-weight: 600; text-decoration: none; }

/* ── Cases CGU/CGV ── */
.cgu-check { text-align: left; margin: 14px 0 4px; display: flex; flex-direction: column; gap: 10px; }
.cgu-check label {
    display: flex; align-items: flex-start; gap: 10px;
    font-size: 12px; color: var(--grey); line-height: 1.5; cursor: pointer;
}
.cgu-check input[type="checkbox"] {
    width: 16px; height: 16px; min-width: 16px; margin: 0;
    accent-color: var(--primary); cursor: pointer;
    border: 1px solid #ddd; border-radius: 3px;
    padding: 0;
}
.cgu-check a { color: var(--blue); text-decoration: underline; font-size: 12px; }