/* =============================================================
   SSO Login Module — Estilos Premium Personalizados
   Complementa Bootstrap 5 con diseño glassmorphism + animaciones
   ============================================================= */

/* ── Google Font ─────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── Botón Google personalizado ──────────────────────────────── */
.btn-google {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-input, 12px);
  color: var(--text-primary, #f1f5f9);
  font-size: 0.9rem;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin-bottom: 0.25rem;
}

.btn-google:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transform: translateY(-1px);
}

.btn-google:active {
  transform: translateY(0);
}

/* Sobrescribir el iframe de Google para que se adapte al ancho */
#googleBtnLogin > div,
#googleBtnRegister > div {
  width: 100% !important;
}


/* ── Variables CSS ───────────────────────────────────────────── */
:root {
  --primary:        #6366f1;
  --primary-dark:   #4f46e5;
  --primary-light:  #818cf8;
  --secondary:      #0ea5e9;
  --accent:         #8b5cf6;
  --success:        #10b981;
  --danger:         #ef4444;
  --warning:        #f59e0b;

  --bg-dark:        #0f0f1a;
  --bg-card:        rgba(255, 255, 255, 0.05);
  --border-glass:   rgba(255, 255, 255, 0.1);
  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #64748b;

  --shadow-glow:    0 0 40px rgba(99, 102, 241, 0.25);
  --shadow-card:    0 8px 32px rgba(0, 0, 0, 0.4);
  --radius-card:    20px;
  --radius-input:   12px;

  --transition:     all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset y Base ────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Fondo animado con gradientes ────────────────────────────── */
.bg-animated {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(99,102,241,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(139,92,246,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(14,165,233,0.08) 0%, transparent 70%),
    var(--bg-dark);
  animation: bgShift 12s ease-in-out infinite alternate;
}

@keyframes bgShift {
  0%   { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

/* Partículas flotantes decorativas */
.particle {
  position: fixed;
  border-radius: 50%;
  opacity: 0.15;
  animation: float linear infinite;
  pointer-events: none;
  z-index: 0;
}
.particle:nth-child(1) { width: 300px; height: 300px; background: radial-gradient(circle, var(--primary) 0%, transparent 70%); top: -100px; left: -100px; animation-duration: 25s; }
.particle:nth-child(2) { width: 200px; height: 200px; background: radial-gradient(circle, var(--accent) 0%, transparent 70%); bottom: -80px; right: -80px; animation-duration: 20s; animation-delay: -8s; }
.particle:nth-child(3) { width: 150px; height: 150px; background: radial-gradient(circle, var(--secondary) 0%, transparent 70%); top: 50%; right: 10%; animation-duration: 30s; animation-delay: -15s; }

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  33%  { transform: translateY(-30px) scale(1.05); }
  66%  { transform: translateY(15px) scale(0.95); }
}

/* ── Contenido principal ─────────────────────────────────────── */
.main-content {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

/* ── Logo/Brand ──────────────────────────────────────────────── */
.brand-logo {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 1rem;
  box-shadow: 0 8px 24px rgba(99,102,241,0.4);
  animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% { box-shadow: 0 8px 24px rgba(99,102,241,0.4); }
  50%       { box-shadow: 0 8px 40px rgba(99,102,241,0.7), 0 0 0 8px rgba(99,102,241,0.1); }
}

/* ── Tarjeta principal (Glassmorphism) ───────────────────────── */
.auth-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  width: 100%;
  max-width: 460px;
  overflow: hidden;
  transition: var(--transition);
}

.auth-card:hover {
  box-shadow: var(--shadow-card), 0 0 60px rgba(99,102,241,0.35);
  transform: translateY(-2px);
}

/* ── Cabecera de la tarjeta ──────────────────────────────────── */
.auth-header {
  padding: 2.5rem 2.5rem 0;
  text-align: center;
}

.auth-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.4rem;
}

.auth-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ── Tabs de login / registro ────────────────────────────────── */
.auth-tabs {
  display: flex;
  margin: 1.5rem 2.5rem 0;
  background: rgba(255,255,255,0.04);
  border-radius: 12px;
  padding: 4px;
  border: 1px solid var(--border-glass);
}

.auth-tab {
  flex: 1;
  padding: 0.6rem 1rem;
  text-align: center;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: 9px;
  color: var(--text-secondary);
  transition: var(--transition);
  border: none;
  background: transparent;
  outline: none;
}

.auth-tab.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 12px rgba(99,102,241,0.4);
}

.auth-tab:not(.active):hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.06);
}

/* ── Cuerpo del formulario ───────────────────────────────────── */
.auth-body {
  padding: 2rem 2.5rem 2.5rem;
}

/* ── Grupos de campos ────────────────────────────────────────── */
.form-group {
  margin-bottom: 1.2rem;
  position: relative;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 0.5rem;
}

/* ── Campos de entrada ───────────────────────────────────────── */
.form-input {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-input);
  padding: 0.8rem 1rem 0.8rem 3rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: var(--transition);
}

.form-input::placeholder { color: var(--text-muted); }

.form-input:focus {
  background: rgba(99,102,241,0.08);
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99,102,241,0.15);
}

.form-input.input-error {
  border-color: var(--danger);
  box-shadow: 0 0 0 4px rgba(239,68,68,0.15);
}

.input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1rem;
  pointer-events: none;
  transition: color 0.2s;
}

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

/* Ícono de mostrar/ocultar contraseña */
.toggle-password {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  transition: color 0.2s;
  font-size: 1rem;
  display: flex;
  align-items: center;
}

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

/* Medidor de fuerza de contraseña */
.password-strength {
  margin-top: 0.5rem;
  display: flex;
  gap: 4px;
}

.strength-bar {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: rgba(255,255,255,0.1);
  transition: var(--transition);
}

.strength-bar.weak   { background: var(--danger); }
.strength-bar.medium { background: var(--warning); }
.strength-bar.strong { background: var(--success); }

.strength-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  min-height: 1em;
}

/* Mensaje de error de campo */
.field-error {
  font-size: 0.78rem;
  color: var(--danger);
  margin-top: 0.35rem;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── Botón principal ─────────────────────────────────────────── */
.btn-auth {
  width: 100%;
  padding: 0.875rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border: none;
  border-radius: var(--radius-input);
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  margin-top: 0.5rem;
  letter-spacing: 0.3px;
}

.btn-auth::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-auth:hover::before { opacity: 1; }
.btn-auth:hover { box-shadow: 0 8px 24px rgba(99,102,241,0.5); transform: translateY(-1px); }
.btn-auth:active { transform: translateY(0); }
.btn-auth:disabled { opacity: 0.6; cursor: not-allowed; transform: none !important; }

/* Spinner de carga en el botón */
.btn-auth .spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 0.5rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Alerta global de respuesta ──────────────────────────────── */
.alert-box {
  border-radius: 12px;
  padding: 1rem 1.2rem;
  font-size: 0.875rem;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  border: 1px solid transparent;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.alert-success {
  background: rgba(16,185,129,0.12);
  border-color: rgba(16,185,129,0.3);
  color: #6ee7b7;
}

.alert-error {
  background: rgba(239,68,68,0.12);
  border-color: rgba(239,68,68,0.3);
  color: #fca5a5;
}

.alert-warning {
  background: rgba(245,158,11,0.12);
  border-color: rgba(245,158,11,0.3);
  color: #fcd34d;
}

.alert-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 1px; }

/* ── Panel de usuario autenticado ────────────────────────────── */
.user-panel {
  display: none;
  text-align: center;
  padding: 2rem 2.5rem;
}

.user-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1rem;
  box-shadow: 0 8px 24px rgba(99,102,241,0.4);
  animation: avatarPop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes avatarPop {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

.user-name {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.user-email {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.user-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1.5rem;
}

.badge-admin { background: rgba(245,158,11,0.2); color: #fbbf24; border: 1px solid rgba(245,158,11,0.3); }
.badge-user  { background: rgba(99,102,241,0.2); color: var(--primary-light); border: 1px solid rgba(99,102,241,0.3); }
.badge-moderator { background: rgba(16,185,129,0.2); color: #34d399; border: 1px solid rgba(16,185,129,0.3); }

/* Token info box */
.token-info {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 1rem;
  margin: 1rem 0;
  text-align: left;
}

.token-info-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.token-preview {
  font-family: 'Courier New', monospace;
  font-size: 0.72rem;
  color: var(--primary-light);
  word-break: break-all;
  line-height: 1.6;
  max-height: 80px;
  overflow: hidden;
  position: relative;
}

.token-preview::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 30px;
  background: linear-gradient(transparent, rgba(15,15,26,0.9));
}

.btn-copy {
  width: 100%;
  padding: 0.6rem;
  background: rgba(99,102,241,0.15);
  border: 1px solid rgba(99,102,241,0.3);
  border-radius: 8px;
  color: var(--primary-light);
  font-size: 0.8rem;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 0.75rem;
}

.btn-copy:hover {
  background: rgba(99,102,241,0.25);
  border-color: var(--primary);
}

.btn-logout {
  width: 100%;
  padding: 0.75rem;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.25);
  border-radius: 12px;
  color: #fca5a5;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 0.5rem;
}

.btn-logout:hover {
  background: rgba(239,68,68,0.2);
  border-color: rgba(239,68,68,0.5);
  box-shadow: 0 4px 16px rgba(239,68,68,0.2);
}

/* ── Divisor ─────────────────────────────────────────────────── */
.divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.25rem 0;
  color: var(--text-muted);
  font-size: 0.78rem;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-glass);
}

/* ── Footer de la tarjeta ────────────────────────────────────── */
.auth-footer {
  padding: 1.25rem 2.5rem;
  border-top: 1px solid var(--border-glass);
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.auth-footer a, .auth-footer button {
  color: var(--primary-light);
  text-decoration: none;
  font-weight: 500;
  cursor: pointer;
  background: none;
  border: none;
  font-family: 'Inter', sans-serif;
  font-size: inherit;
  transition: color 0.2s;
}

.auth-footer a:hover, .auth-footer button:hover { color: white; }

/* ── Info SSO ────────────────────────────────────────────────── */
.sso-info {
  margin-top: 1.5rem;
  padding: 0.75rem 1rem;
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 10px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

.sso-info .sso-icon { color: var(--primary-light); flex-shrink: 0; }

/* ── Animaciones de transición entre formularios ─────────────── */
.form-panel {
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.form-panel.hidden {
  display: none;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 480px) {
  .auth-header, .auth-body, .auth-footer { padding-left: 1.5rem; padding-right: 1.5rem; }
  .auth-tabs { margin-left: 1.5rem; margin-right: 1.5rem; }
  .auth-header h1 { font-size: 1.5rem; }
  .user-panel { padding: 1.5rem; }
}

/* ── Checkbox personalizado ──────────────────────────────────── */
.checkbox-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.checkbox-group input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
}

.checkbox-group label {
  font-size: 0.825rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

/* ── Shimmer loading de avatar ───────────────────────────────── */
.shimmer {
  background: linear-gradient(90deg, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0.05) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}