/* ============================================================
   GYMMANAGER PRO - Estilos de Autenticación (Login)
   Descripción: Estilos para las páginas de login, registro
   y recuperación de contraseña del sistema.
   ============================================================ */

/* --- LAYOUT PRINCIPAL DEL LOGIN ---
   Divide la pantalla en dos mitades:
   izquierda = panel visual, derecha = formulario.           */
.auth-wrapper {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;  /* Dos columnas iguales */
  background: var(--color-dark);
}

/* En pantallas pequeñas, solo mostrar el formulario */
@media (max-width: 991px) {
  .auth-wrapper {
    grid-template-columns: 1fr; /* Una sola columna */
  }
  .auth-visual { display: none; } /* Ocultar el lado visual */
}

/* --- PANEL VISUAL (LADO IZQUIERDO) ---
   Presentación gráfica con estadísticas y branding.        */
.auth-visual {
  background:
    radial-gradient(ellipse 70% 60% at 30% 30%, rgba(255,107,53,0.2) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 80% 80%, rgba(108,99,255,0.15) 0%, transparent 50%),
    var(--color-dark-2);
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  border-right: 1px solid var(--color-dark-3);
}

/* Cuadrícula decorativa */
.auth-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,107,53,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,107,53,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
}

.auth-visual-logo {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  position: relative;
  z-index: 1;
}

.auth-visual-logo span {
  color: var(--color-primary);
}

/* Tarjeta de estadística flotante (decorativa) */
.visual-stat-card {
  background: rgba(13, 15, 20, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-dark-3);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
  transition: transform var(--transition-normal);
}

.visual-stat-card:hover {
  transform: translateX(6px);
}

.vsc-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.3rem;
}

.vsc-value {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.vsc-trend {
  font-family: var(--font-body);
  font-size: 0.78rem;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 600;
}

.trend-up {
  background: rgba(0,212,170,0.15);
  color: var(--color-accent);
}

.trend-down {
  background: rgba(220,53,69,0.15);
  color: #DC3545;
}

.auth-visual-quote {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.5;
  position: relative;
  z-index: 1;
  font-style: italic;
  max-width: 380px;
}

.auth-visual-quote strong {
  color: var(--color-primary);
  font-weight: 700;
  font-style: normal;
}

/* --- PANEL DE FORMULARIO (LADO DERECHO) --- */
.auth-form-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 4rem;
  position: relative;
}

@media (max-width: 576px) {
  .auth-form-panel { padding: 2rem 1.5rem; }
}

.auth-form-container {
  width: 100%;
  max-width: 400px;
}

.auth-back-link {
  position: absolute;
  top: 2rem;
  left: 2rem;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  transition: color var(--transition-fast);
}

.auth-back-link:hover {
  color: var(--color-text-light);
}

/* Indicador del rol (quién está iniciando sesión) */
.auth-role-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.35rem 1rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.role-superadmin {
  background: rgba(108,99,255,0.15);
  border: 1px solid rgba(108,99,255,0.3);
  color: var(--color-accent-2);
}

.role-gimnasio {
  background: rgba(255,107,53,0.15);
  border: 1px solid rgba(255,107,53,0.3);
  color: var(--color-primary);
}

.auth-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  margin-bottom: 0.4rem;
}

.auth-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

/* --- CAMPOS DEL FORMULARIO ---
   Campos con fondo oscuro y borde que se ilumina al enfocar. */
.gm-form-group {
  margin-bottom: 1.25rem;
  position: relative;
}

.gm-form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.gm-form-control {
  width: 100%;
  background: var(--color-dark-3);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  color: var(--color-text-light);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.85rem 1rem;
  transition: all var(--transition-fast);
  outline: none;
}

/* Campos con ícono a la izquierda */
.gm-form-control.with-icon {
  padding-left: 2.75rem;
}

.gm-form-control:focus {
  border-color: var(--color-primary);
  background: rgba(255,107,53,0.05);
  box-shadow: 0 0 0 3px rgba(255,107,53,0.1);
}

.gm-form-control::placeholder {
  color: rgba(136, 146, 164, 0.5);
}

/* Ícono dentro del campo */
.form-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  pointer-events: none;
  transition: color var(--transition-fast);
}

.gm-form-group:focus-within .form-icon {
  color: var(--color-primary);
}

/* Botón de mostrar/ocultar contraseña */
.toggle-password {
  position: absolute;
  right: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 4px;
  transition: color var(--transition-fast);
}

.toggle-password:hover {
  color: var(--color-text-light);
}

/* Barra de fuerza de contraseña */
.password-strength {
  margin-top: 0.5rem;
  height: 3px;
  background: var(--color-dark-3);
  border-radius: 2px;
  overflow: hidden;
}

.password-strength-bar {
  height: 100%;
  border-radius: 2px;
  transition: width 0.3s ease, background 0.3s ease;
  width: 0%;
}

.strength-weak   { background: #DC3545; width: 25%; }
.strength-fair   { background: #FFC107; width: 50%; }
.strength-good   { background: #17A2B8; width: 75%; }
.strength-strong { background: var(--color-accent); width: 100%; }

/* --- SELECTOR DE ROL ---
   Botones para elegir si se ingresa como SuperAdmin o Gimnasio */
.role-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 2rem;
}

.role-btn {
  background: var(--color-dark-3);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  color: var(--color-text-muted);
}

.role-btn:hover {
  border-color: rgba(255,255,255,0.1);
  color: var(--color-text-light);
}

.role-btn.active {
  border-color: var(--color-primary);
  background: rgba(255,107,53,0.08);
  color: var(--color-primary);
}

.role-btn .role-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 0.3rem;
}

.role-btn .role-name {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- ALERTAS DE ERROR / ÉXITO --- */
.auth-alert {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.87rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  transform: translateY(-10px);
  transition: all var(--transition-normal);
}

.auth-alert.show {
  opacity: 1;
  transform: translateY(0);
}

.alert-error {
  background: rgba(220,53,69,0.1);
  border: 1px solid rgba(220,53,69,0.3);
  color: #DC3545;
}

.alert-success {
  background: rgba(0,212,170,0.1);
  border: 1px solid rgba(0,212,170,0.3);
  color: var(--color-accent);
}

/* --- DIVIDER "O CONTINUAR CON" --- */
.auth-divider {
  position: relative;
  text-align: center;
  margin: 1.5rem 0;
}

.auth-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0; right: 0;
  height: 1px;
  background: var(--color-dark-3);
}

.auth-divider span {
  background: var(--color-dark);
  color: var(--color-text-muted);
  font-size: 0.78rem;
  padding: 0 0.75rem;
  position: relative;
  z-index: 1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Separador para cuando la pantalla es la del panel derecho sin el visual */
@media (max-width: 991px) {
  .auth-divider span {
    background: var(--color-dark);
  }
}