/* ===== ESTILOS ESPECÍFICOS PARA AUTENTICACIÓN ===== */

/* Variables de color - Dark Mode por defecto */
:root {
  --color-white: #ffffff;
  --color-black: #000000;
  
  /* Colores principales - Dark Mode */
  --color-bg-primary: #353b47;
  --color-bg-secondary: #1a1a1a;
  --color-bg-tertiary: #2a2a2a;
  --color-bg-card: #171a20;
  --color-bg-overlay: rgba(0, 0, 0, 0.8);
  
  /* Texto - Dark Mode */
  --color-text-primary: #ffffff;
  --color-text-secondary: #e5e5e5;
  --color-text-tertiary: #a0a0a0;
  --color-text-muted: #6b7280;
  
  /* Bordes y separadores */
  --color-border-primary: #404040;
  --color-border-secondary: #525252;
  --color-border-tertiary: #6b7280;
  
  /* Estados */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #6b7280;
  
  /* Sombras - Dark Mode */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  
  /* Transiciones */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ===== ESTILOS PARA LIGHT MODE ===== */

body.light-mode {
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f9fafb;
  --color-bg-tertiary: #f3f4f6;
  --color-bg-card: #ffffff;
  --color-bg-overlay: rgba(0, 0, 0, 0.1);
  
  --color-text-primary: #111827;
  --color-text-secondary: #374151;
  --color-text-tertiary: #6b7280;
  --color-text-muted: #9ca3af;
  
  --color-border-primary: #e5e7eb;
  --color-border-secondary: #d1d5db;
  --color-border-tertiary: #9ca3af;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Reset y base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  background: var(--color-bg-primary);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--color-bg-primary);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  color: var(--color-text-primary);
  line-height: 1.6;
}

/* ===== ESTILOS PARA LOGIN ===== */

/* Layout centrado para login */
body.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

/* Indicador de carga */
.loading-indicator {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--color-text-secondary);
  z-index: 1000;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border-secondary);
  border-top: 3px solid var(--color-text-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

.loading-indicator p {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Logo principal */
.logo {
  margin-bottom: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.logo-img {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
}

/* Título */
h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
  text-align: center;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
  text-align: center;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

/* Subtítulo */
.subtitle {
  color: var(--color-text-secondary);
  font-size: 1rem;
  margin-bottom: 2rem;
  text-align: center;
  line-height: 1.6;
}

/* Contenedor principal de login */
.login-container {
  background: var(--color-bg-card);
  padding: 3rem;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  text-align: center;
  max-width: 400px;
  width: 90%;
  opacity: 0;
  transition: opacity var(--transition-normal);
  border: 1px solid var(--color-border-primary);
}

.login-container.show {
  opacity: 1;
}

/* Mensaje de error */
.error-message {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--color-error);
  color: var(--color-error);
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  display: none;
  font-size: 0.9rem;
}

.error-message.show {
  display: block;
}

/* Botón de login */
.login-button {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-primary);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  margin-bottom: 1.5rem;
}

.login-button:hover {
  background: var(--color-border-primary);
}

.login-button:active {
  background: var(--color-border-secondary);
}

/* Ícono de Google */
.google-icon {
  width: 20px;
  height: 20px;
}

/* Footer del login */
.login-footer {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.footer-logo {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-white);
  padding: 2px;
}

/* ===== SKELETON SCREEN PARA CALLBACK ===== */

.skeleton-logo {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  margin: 0 auto 2rem;
  animation: skeleton-pulse 2s ease-in-out infinite;
}

.skeleton-title {
  width: 200px;
  height: 24px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  margin: 0 auto 1.5rem;
  animation: skeleton-pulse 2s ease-in-out infinite;
  animation-delay: 0.2s;
}

.skeleton-text {
  width: 280px;
  height: 16px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  margin: 0 auto 1rem;
  animation: skeleton-pulse 2s ease-in-out infinite;
  animation-delay: 0.4s;
}

.skeleton-text-short {
  width: 180px;
  animation-delay: 0.6s;
}

.skeleton-button {
  width: 160px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  margin: 2rem auto 0;
  animation: skeleton-pulse 2s ease-in-out infinite;
  animation-delay: 0.8s;
}

@keyframes skeleton-pulse {
  0%, 100% {
    opacity: 0.8;
  }
  50% {
    opacity: 0.4;
  }
}

/* ===== BOTÓN DE TOGGLE DE TEMA FIJO ===== */

.theme-toggle-fixed {
  position: fixed;
  top: 1rem;
  right: 1rem;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-secondary);
  color: var(--color-text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  transition: all var(--transition-fast);
}

.theme-toggle-fixed:hover {
  background: var(--color-border-secondary);
  transform: scale(1.05);
}

.theme-toggle-fixed .theme-icon {
  width: 18px;
  height: 18px;
}

.theme-toggle-fixed .auth-theme-icon {
  width: 12px;
  height: 12px;
}

/* ===== ESTILOS PARA FORBIDDEN ===== */

/* Layout centrado para forbidden */
body.forbidden-page {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

.forbidden-container {
  background: var(--color-bg-card);
  padding: 3rem;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  text-align: center;
  max-width: 400px;
  width: 90%;
  border: 1px solid var(--color-border-primary);
}

.forbidden-icon {
  margin-bottom: 2rem;
  color: var(--color-text-tertiary);
}

.forbidden-container h1 {
  color: var(--color-text-primary);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.forbidden-description {
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
  font-size: 0.95rem;
}

.actions {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.btn-primary {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-primary);
  padding: 12px 24px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  background: var(--color-border-secondary);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-primary);
  padding: 12px 24px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--color-border-secondary);
  transform: translateY(-1px);
}

/* ===== ESTILOS PARA CALLBACK ===== */

/* Layout centrado para callback */
body.callback-page {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

.callback-container {
  background: transparent;
  padding: 3rem;
  text-align: center;
  max-width: 400px;
  width: 90%;
}

.callback-container h2 {
  color: var(--color-text-primary);
  margin-bottom: 2rem;
}

.progress-container {
  margin: 2rem 0;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--color-bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-text-primary);
  border-radius: 4px;
  animation: progress 2s ease-in-out infinite;
}

@keyframes progress {
  0% { width: 0%; }
  50% { width: 70%; }
  100% { width: 100%; }
}

.status {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.user-info {
  background: var(--color-bg-tertiary);
  /* border: 1px solid var(--color-border-secondary); */
  padding: 1rem;
  border-radius: 8px;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.user-email {
  color: var(--color-text-primary);
  font-weight: 600;
}

/* Mensajes de estado para callback */
.error-message {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--color-error);
  color: var(--color-error);
  padding: 1rem;
  border-radius: 8px;
  margin: 1rem 0;
  display: none;
  font-size: 0.9rem;
}

.error-message.show {
  display: block;
}

.success-message {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--color-success);
  color: var(--color-success);
  padding: 1rem;
  border-radius: 8px;
  margin: 1rem 0;
  display: none;
  font-size: 0.9rem;
}

.success-message.show {
  display: block;
}

/* ===== RESPONSIVE ===== */

@media (max-width: 768px) {
  .login-container,
  .forbidden-container {
    padding: 2rem;
    margin: 1rem;
  }
  
  .callback-container {
    padding: 2rem;
  }
  
  h1 {
    font-size: 1.75rem;
  }
  
  .actions {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 100%;
  }
}