.login-page {
    min-height: 82vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background: linear-gradient(150deg, #f0faf8 0%, #e6f4f2 45%, #eef4fb 100%);
}
.login-card {
    width: 100%;
    max-width: 400px;
    background: #fff;
    border-radius: 18px;
    box-shadow:
        0 2px 4px rgba(0,0,0,.04),
        0 8px 20px rgba(0,0,0,.07),
        0 24px 48px rgba(0,0,0,.06);
    overflow: hidden;
}
.login-card-header {
    background: linear-gradient(135deg, var(--app-primary, #14786f) 0%, var(--app-primary-dark, #0f5f58) 100%);
    padding: 2.25rem 2rem 1.75rem;
    text-align: center;
    color: #fff;
}
.login-brand-icon {
    width: 56px;
    height: 56px;
    background: rgba(255,255,255,.18);
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: .9rem;
    backdrop-filter: blur(4px);
    border: 1.5px solid rgba(255,255,255,.25);
}
.login-card-title {
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -.02em;
    margin-bottom: .3rem;
}
.login-card-subtitle {
    font-size: .82rem;
    opacity: .78;
    font-weight: 400;
}
.login-card-body {
    padding: 1.85rem 2rem 2rem;
}
/* Jointure input-group : supprimer la double bordure au focus */
.login-card-body .input-group:focus-within .input-group-text,
.login-card-body .input-group:focus-within .form-control,
.login-card-body .input-group:focus-within .btn {
    border-color: var(--app-primary, #14786f);
}
.login-card-body .input-group:focus-within .input-group-text {
    box-shadow: none;
}
.login-card-body .form-control:focus {
    box-shadow: none;
    border-color: var(--app-primary, #14786f);
}