/* =====================================================================
   UGO DELIVERY — AUTENTICACIÓN (login / registro / recuperar clave)
   Layout tipo split-screen: panel de marca + panel de formulario
   ===================================================================== */

.auth-pantalla {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

/* ---------- Panel izquierdo: branding ---------- */
.auth-marca {
    position: relative;
    background: var(--degradado-oscuro);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: var(--espacio-xl) var(--espacio-lg);
    color: var(--color-blanco);
    overflow: hidden;
}

.auth-marca::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 15%, rgba(255,107,0,0.35) 0%, transparent 45%),
        radial-gradient(circle at 80% 85%, rgba(255,107,0,0.25) 0%, transparent 50%);
}

.auth-marca__contenido {
    position: relative;
    z-index: 2;
}

.auth-marca .logo { color: var(--color-blanco); font-size: 1.7rem; }

.auth-marca__titulo {
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    margin-top: var(--espacio-lg);
    line-height: 1.2;
}
.auth-marca__titulo span {
    background: linear-gradient(90deg, #FF6B00, #FFB25E);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.auth-marca__texto {
    color: rgba(255,255,255,0.7);
    margin-top: var(--espacio-sm);
    max-width: 380px;
}

.auth-marca__lista {
    position: relative;
    z-index: 2;
    margin-top: var(--espacio-lg);
    display: flex;
    flex-direction: column;
    gap: var(--espacio-sm);
}

.auth-marca__item {
    display: flex;
    align-items: center;
    gap: 14px;
}

.auth-marca__item .icono {
    width: 44px;
    height: 44px;
    border-radius: var(--radio-md);
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.auth-marca__item strong { display: block; font-size: 0.95rem; }
.auth-marca__item span { font-size: 0.82rem; color: rgba(255,255,255,0.6); }

.auth-marca__footer {
    position: relative;
    z-index: 2;
    font-size: 0.78rem;
    color: rgba(255,255,255,0.45);
}

/* ---------- Panel derecho: formulario ---------- */
.auth-formulario {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--espacio-lg);
    background: var(--color-gris-claro);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-blanco);
    border-radius: var(--radio-xl);
    padding: var(--espacio-lg);
    box-shadow: var(--sombra-lg);
}

.auth-card__volver {
    display: none;
}

.auth-card h2 {
    font-size: 1.7rem;
    margin-bottom: 6px;
}

.auth-card p.subtitulo {
    color: var(--color-gris-medio);
    font-size: 0.9rem;
    margin-bottom: var(--espacio-md);
}

/* ---------- Selector de tipo de cuenta (registro) ---------- */
.selector-tipo {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: var(--espacio-md);
}

.selector-tipo label {
    cursor: pointer;
}

.selector-tipo input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.selector-tipo__opcion {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 14px 6px;
    border-radius: var(--radio-md);
    border: 1.5px solid var(--color-gris-borde);
    text-align: center;
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--color-gris-medio);
    transition: all var(--transicion-rapida);
}

.selector-tipo__opcion .icono { font-size: 1.4rem; }

.selector-tipo input:checked + .selector-tipo__opcion {
    border-color: var(--color-primario);
    background: var(--color-primario-suave);
    color: var(--color-primario-oscuro);
}

/* ---------- Campos de formulario ---------- */
.campo {
    margin-bottom: var(--espacio-sm);
}

.campo label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-negro-suave);
    margin-bottom: 6px;
}

.campo-fila {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--espacio-sm);
}

.campo__input-wrap {
    position: relative;
}

.campo__input-wrap .icono {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.45;
    font-size: 0.95rem;
}

.campo input,
.campo select {
    width: 100%;
    padding: 13px 16px 13px 40px;
    border-radius: var(--radio-md);
    border: 1.5px solid var(--color-gris-borde);
    font-size: 0.92rem;
    transition: all var(--transicion-rapida);
    background: var(--color-blanco);
}

.campo input:focus,
.campo select:focus {
    outline: none;
    border-color: var(--color-primario);
    box-shadow: 0 0 0 4px var(--color-primario-suave);
}

.campo input.campo--error {
    border-color: var(--color-error);
}

.campo__mensaje-error {
    font-size: 0.76rem;
    color: var(--color-error);
    margin-top: 4px;
    display: none;
}

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

.campo__toggle-clave {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.85rem;
    opacity: 0.55;
    cursor: pointer;
    background: none;
    border: none;
}

/* ---------- Fuerza de contraseña ---------- */
.fuerza-clave {
    display: flex;
    gap: 4px;
    margin-top: 8px;
}
.fuerza-clave span {
    height: 4px;
    flex: 1;
    border-radius: var(--radio-full);
    background: var(--color-gris-borde);
    transition: background var(--transicion-rapida);
}
.fuerza-clave.debil span:nth-child(1) { background: var(--color-error); }
.fuerza-clave.media span:nth-child(1),
.fuerza-clave.media span:nth-child(2) { background: var(--color-alerta); }
.fuerza-clave.fuerte span { background: var(--color-exito); }

/* ---------- Opciones auxiliares ---------- */
.auth-opciones {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.84rem;
    margin: var(--espacio-xs) 0 var(--espacio-md);
}

.auth-opciones label {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--color-negro-suave);
    cursor: pointer;
}

.auth-opciones a {
    color: var(--color-primario);
    font-weight: 600;
}

/* ---------- Separador "o continuá con" ---------- */
.separador {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: var(--espacio-md) 0;
    color: var(--color-gris-medio);
    font-size: 0.78rem;
}
.separador::before,
.separador::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-gris-borde);
}

.auth-social {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.auth-social button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    border-radius: var(--radio-md);
    border: 1.5px solid var(--color-gris-borde);
    font-weight: 600;
    font-size: 0.85rem;
    transition: all var(--transicion-rapida);
}
.auth-social button:hover {
    border-color: var(--color-negro);
    transform: translateY(-2px);
}

.auth-card__pie {
    text-align: center;
    margin-top: var(--espacio-md);
    font-size: 0.86rem;
    color: var(--color-gris-medio);
}
.auth-card__pie a { color: var(--color-primario); font-weight: 700; }

/* ---------- Alertas de mensajes (éxito / error del servidor) ---------- */
.alerta {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radio-md);
    font-size: 0.85rem;
    margin-bottom: var(--espacio-sm);
}
.alerta-error { background: #FDECEC; color: var(--color-error); }
.alerta-exito { background: #E7F7ED; color: var(--color-exito); }
.alerta-info  { background: #EAF1FE; color: var(--color-info); }

/* ---------- Icono circular grande (recuperar clave) ---------- */
.auth-icono-grande {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--color-primario-suave);
    color: var(--color-primario);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: var(--espacio-sm);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .auth-pantalla { grid-template-columns: 1fr; }
    .auth-marca { display: none; }
    .campo-fila { grid-template-columns: 1fr; }
}