body {
    background: linear-gradient(160deg, #1A0812, #3D1228, #8C2E52);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}

.caja-login {
    background: white;
    border-radius: 24px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 24px 60px rgba(0,0,0,0.3);
    animation: entrar 0.35s ease;
}

.login-logo {
    text-align: center;
    margin-bottom: 28px;
}

.login-logo .circulo {
    width: 54px;
    height: 54px;
    background: linear-gradient(135deg, var(--rosa-fuerte), var(--rosa-medio));
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: white;
    margin-bottom: 10px;
}

.login-logo h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--texto);
}

.login-logo h1 em {
    color: var(--rosa-fuerte);
    font-style: italic;
}

.login-logo p {
    font-size: 13px;
    color: var(--texto-muted);
    margin-top: 4px;
}

/* Tabs de login / registro */
.tabs {
    display: flex;
    background: var(--rosa-claro);
    border-radius: 50px;
    padding: 4px;
    margin-bottom: 24px;
    border: 1px solid var(--borde);
}

.tab {
    flex: 1;
    border: none;
    background: none;
    border-radius: 50px;
    padding: 10px;
    font-size: 14px;
    color: var(--texto-muted);
    transition: var(--transicion);
}

.tab.activo {
    background: var(--rosa-fuerte);
    color: white;
    font-weight: 500;
}

/* Formularios */
.formulario {
    display: none;
}

.formulario.activo {
    display: block;
    animation: entrar 0.2s ease;
}

.campo-input {
    margin-bottom: 0;
}

.campo-grupo {
    margin-bottom: 14px;
}

.btn-login {
    width: 100%;
    background: linear-gradient(135deg, var(--rosa-fuerte), var(--rosa-oscuro));
    color: white;
    border: none;
    border-radius: 50px;
    padding: 14px;
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 14px;
    transition: var(--transicion);
    box-shadow: 0 4px 16px rgba(181,71,110,0.35);
}

.btn-login:hover {
    background: linear-gradient(135deg, var(--rosa-medio), var(--rosa-fuerte));
    transform: translateY(-1px);
}

.separador {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 14px 0;
    font-size: 12px;
    color: var(--texto-muted);
}

.separador::before,
.separador::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--borde);
}

.btn-google {
    width: 100%;
    background: white;
    border: 1.5px solid var(--borde);
    border-radius: 50px;
    padding: 12px;
    font-size: 14px;
    color: var(--texto-gris);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transicion);
}

.btn-google:hover {
    border-color: var(--borde-fuerte);
    background: var(--rosa-claro);
}

/* Toggle anonimato */
.toggle-anon {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--rosa-claro);
    border: 1px solid var(--borde);
    border-radius: 12px;
    padding: 12px 14px;
    margin-bottom: 16px;
    cursor: pointer;
    transition: var(--transicion);
}

.toggle-anon:hover {
    border-color: var(--rosa-fuerte);
}

.check-caja {
    width: 18px;
    height: 18px;
    border-radius: 5px;
    border: 2px solid var(--borde);
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transicion);
    font-size: 12px;
}

.check-caja.marcado {
    background: var(--rosa-fuerte);
    border-color: var(--rosa-fuerte);
    color: white;
}

.toggle-texto strong {
    display: block;
    font-size: 13px;
    color: var(--texto);
}

.toggle-texto span {
    font-size: 12px;
    color: var(--texto-muted);
}

/* Nota de privacidad */
.nota-privacidad {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    background: var(--verde-fondo);
    border-radius: 10px;
    padding: 10px 14px;
    margin-top: 16px;
    font-size: 12px;
    color: var(--verde);
    line-height: 1.5;
}

/* Mensaje de error */
.mensaje-error {
    background: var(--rojo-fondo);
    color: var(--rojo);
    font-size: 12px;
    padding: 10px 14px;
    border-radius: 10px;
    margin-bottom: 14px;
    display: none;
}

.mensaje-error.visible {
    display: block;
}

/* Responsive */
@media (max-width: 480px) {
    .caja-login {
    padding: 28px 20px;
    border-radius: 16px;
    }
}