:root {
  /* Colores principales - tonalidades púrpuras suaves */
  --primary-color: #9d4edd;
  --primary-hover: #8b5cf6;
  --secondary-color: #b7a0e1;
  --accent-color: #c77dff;
  
  /* Escala de grises con sutiles tonos lavanda */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Colores semánticos con toque púrpura */
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #e879f9;
  --info-color: #818cf8;
  
  /* Colores de texto */
  --text-primary: #111827;
  --text-secondary: #374151;
  --text-tertiary: #6b7280;
  --text-inverted: white;
  
  /* Colores de fondo */
  --bg-body: #fefeff;
  --bg-surface: #ffffff;
  --bg-elevated: #fbfaff;
  --bg-subtle: var(--gray-50);
  --bg-muted: var(--gray-100);
  
  /* Bordes */
  --border-color: #e2e8f0;
  --border-color-hover: #cbd5e1;
  
  /* Espaciado */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  
  /* Radios de borde */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Sombras con toque púrpura */
  --shadow-sm: 0 1px 2px 0 rgba(124, 58, 237, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(124, 58, 237, 0.08), 0 2px 4px -1px rgba(124, 58, 237, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(124, 58, 237, 0.1), 0 4px 6px -2px rgba(124, 58, 237, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(124, 58, 237, 0.1), 0 10px 10px -5px rgba(124, 58, 237, 0.04);
  
  /* Transiciones */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;
  
  /* Diseño */
  --sidebar-width: 260px;
  --header-height: 64px;
  --email-list-width: 400px;
  --z-index-sidebar: 100;
  --z-index-header: 90;
  --z-index-modal: 1000;
  --z-index-dropdown: 50;
  --z-index-toast: 2000;
}

/* Tema oscuro */
@media (prefers-color-scheme: dark) {
  :root.theme-system, .theme-dark {
    --primary-color: #a78bfa;
    --primary-hover: #8b5cf6;
    
    --text-primary: var(--gray-100);
    --text-secondary: var(--gray-300);
    --text-tertiary: var(--gray-400);
    
    --bg-body: #1f1433;
    --bg-surface: #2d2248;
    --bg-elevated: #3a2d59;
    --bg-subtle: #2a1c4a;
    --bg-muted: #261a3a;
    
    --border-color: #4c347d;
    --border-color-hover: #6745b9;
    
    --shadow-sm: 0 1px 2px 0 rgba(90, 50, 180, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(90, 50, 180, 0.4), 0 2px 4px -1px rgba(90, 50, 180, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(90, 50, 180, 0.4), 0 4px 6px -2px rgba(90, 50, 180, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(90, 50, 180, 0.4), 0 10px 10px -5px rgba(90, 50, 180, 0.2);
  }
}

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

html {
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-hover);
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--bg-surface);
  transition: all var(--transition-fast);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

input::placeholder, textarea::placeholder {
  color: var(--gray-400);
}

/* Utilidades */
.hidden {
  display: none !important;
}

.mobile-only {
  display: none;
}

.text-danger {
  color: var(--danger-color);
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  gap: var(--spacing-sm);
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--text-inverted);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.btn-outline:hover {
  background-color: var(--bg-subtle);
  border-color: var(--border-color-hover);
}

.btn-icon {
  padding: var(--spacing-sm);
  border-radius: var(--radius-full);
}

.btn-block {
  display: flex;
  width: 100%;
}

.text-btn {
  color: var(--primary-color);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.text-btn:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
}

.action-btn:hover {
  background-color: var(--bg-muted);
  color: var(--text-primary);
}

.action-btn i {
  font-size: 1.25rem;
}

/* Formularios */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-secondary);
}

.input-icon-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon-wrapper i {
  position: absolute;
  left: var(--spacing-md);
  color: var(--text-tertiary);
  font-size: 1.25rem;
}

.input-icon-wrapper input {
  padding-left: calc(var(--spacing-md) * 2 + 1rem);
  width: 100%;
}

.toggle-password {
  position: absolute;
  right: var(--spacing-md);
  color: var(--text-tertiary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.form-check {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.form-check input[type="checkbox"] {
  margin-right: var(--spacing-sm);
}

/* Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 28px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--gray-300);
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
}

input:checked + .slider {
  background-color: var(--primary-color);
}

input:focus + .slider {
  box-shadow: 0 0 1px var(--primary-color);
}

input:checked + .slider:before {
  transform: translateX(24px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

.switch-label {
  margin-right: auto;
}

/* Splash Screen */
.splash-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background-color: var(--bg-body);
}

.splash-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.splash-logo i {
  font-size: 4rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.splash-logo h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.splash-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--bg-muted);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Login Screen */
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-md);
  background-color: var(--bg-subtle);
}

.login-container {
  width: 100%;
  max-width: 420px;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  background-color: var(--bg-surface);
  box-shadow: var(--shadow-lg);
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.login-header i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.login-header h1 {
  margin-bottom: var(--spacing-xs);
  font-size: 1.75rem;
}

.login-header p {
  color: var(--text-secondary);
}

.login-form {
  display: flex;
  flex-direction: column;
}

.error-message {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--danger-color);
  font-size: 0.875rem;
}

/* App Layout */
.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.app-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-md);
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  z-index: var(--z-index-header);
}

.app-container {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Header */
.app-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-right: var(--spacing-md);
}

.app-brand i {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.app-brand h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.header-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.header-btn:hover {
  background-color: var(--bg-muted);
  color: var(--text-primary);
}

.header-btn i {
  font-size: 1.25rem;
}

.search-container {
  flex: 1;
  margin: 0 var(--spacing-md);
}

.search-input-wrapper {
  position: relative;
  max-width: 600px;
}

.search-input-wrapper i {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
}

.search-input-wrapper input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) calc(var(--spacing-md) * 2 + 1rem);
  border-radius: var(--radius-full);
  background-color: var(--bg-subtle);
  border: 1px solid transparent;
}

.search-input-wrapper input:focus {
  background-color: var(--bg-surface);
  border-color: var(--border-color);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.user-profile {
  position: relative;
}

.user-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: var(--accent-color);
  color: white;
  font-weight: 600;
  transition: opacity var(--transition-fast);
}

.user-avatar:hover {
  opacity: 0.9;
}

/* Sidebar */
.app-sidebar {
  width: var(--sidebar-width);
  height: 100%;
  overflow-y: auto;
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  z-index: var(--z-index-sidebar);
}

.compose-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background-color: var(--primary-color);
  color: white;
  border-radius: var(--radius-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
}

.compose-btn:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.compose-btn i {
  font-size: 1.25rem;
}

.sidebar-nav {
  flex: 1;
}

.nav-folders {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.nav-item {
  margin-bottom: var(--spacing-xs);
}

.nav-item a {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 500;
  transition: all var(--transition-normal);
}

.nav-item a i {
  margin-right: var(--spacing-md);
  font-size: 1.25rem;
}

.nav-item a span {
  flex: 1;
}

.nav-item a:hover {
  background-color: var(--bg-subtle);
  color: var(--text-primary);
}

.nav-item.active a {
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--primary-color);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background-color: var(--primary-color);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0 var(--spacing-xs);
}

.sidebar-divider {
  display: flex;
  align-items: center;
  margin: var(--spacing-md) 0;
  color: var(--text-tertiary);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.sidebar-divider::before {
  margin-right: var(--spacing-sm);
}

.sidebar-divider::after {
  margin-left: var(--spacing-sm);
}

.storage-info {
  margin-top: auto;
  padding-top: var(--spacing-md);
  font-size: 0.875rem;
}

.storage-progress {
  height: 6px;
  background-color: var(--bg-muted);
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--primary-color);
  border-radius: var(--radius-full);
}

.storage-text {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-tertiary);
}

/* Email List Section */
.email-list-section {
  width: var(--email-list-width);
  height: 100%;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-color);
  background-color: var(--bg-surface);
}

.section-header {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-header h2 {
  font-size: 1.1rem;
  font-weight: 600;
}

.section-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.email-list {
  flex: 1;
  overflow-y: auto;
}

.email-item {
  display: flex;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.email-item:hover {
  background-color: var(--bg-subtle);
}

.email-item.active {
  background-color: rgba(37, 99, 235, 0.05);
}

.email-item.unread .email-sender,
.email-item.unread .email-subject {
  font-weight: 600;
}

.email-checkbox {
  margin-right: var(--spacing-sm);
}

.email-content-preview {
  flex: 1;
  min-width: 0;
}

.email-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-xs);
}

.email-sender {
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.email-time {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  white-space: nowrap;
}

.email-subject {
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.email-preview {
  color: var(--text-tertiary);
  font-size: 0.875rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display:btn-outline;
}

.email-indicators {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-left: var(--spacing-xs);
}

.email-indicator {
  color: var(--text-tertiary);
  font-size: 0.75rem;
}

.email-indicator.starred {
  color: var(--warning-color);
}

.email-indicator.attachment {
  color: var(--secondary-color);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm);
  border-top: 1px solid var(--border-color);
}

.pagination-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
}

.pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination-btn:not(:disabled):hover {
  background-color: var(--bg-muted);
  color: var(--text-primary);
}

#pagination-info {
  margin: 0 var(--spacing-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Email View Section */
.email-view-section {
  flex: 1;
  height: 100%;
  overflow-y: auto;
  background-color: var(--bg-surface);
  display: flex;
  flex-direction: column;
}

.email-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--spacing-lg);
}

.email-header {
  margin-bottom: var(--spacing-lg);
}

.email-subject-container {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.email-subject {
  font-size: 14px;
  font-weight: 700;
  margin-right: var(--spacing-md);
}

.email-tags {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.email-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
}

.email-tag.important {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--warning-color);
}

.email-tag.attachments {
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--primary-color);
}

.email-meta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.sender-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.sender-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--accent-color);
  color: white;
  font-weight: 600;
  font-size: 1.25rem;
}

.sender-details {
  flex: 1;
}

.sender-details h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.email-recipients {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.email-date-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.email-date {
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

.email-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.email-attachments {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background-color: var(--bg-subtle);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.attachments-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

.attachments-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.attachment-item {
  display: flex;
  flex-direction: column;
  width: 120px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.attachment-item:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.attachment-preview {
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-subtle);
}

.attachment-preview i {
  font-size: 2.5rem;
  color: var(--secondary-color);
}

.attachment-preview.image {
  background-size: cover;
  background-position: center;
}

.attachment-info {
  padding: var(--spacing-sm);
  background-color: var(--bg-surface);
}

.attachment-name {
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.attachment-size {
  font-size: 0.7rem;
  color: var(--text-tertiary);
}

.attachment-actions {
  display: flex;
  margin-top: var(--spacing-xs);
  gap: var(--spacing-xs);
}

.attachment-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xs);
  font-size: 0.7rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-subtle);
}

.attachment-btn:hover {
  background-color: var(--bg-muted);
}

.email-body {
  flex: 1;
  line-height: 1.6;
  color: var(--text-primary);
}

/* Empty states */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: var(--spacing-lg);
  text-align: center;
}

.empty-state i {
  font-size: 4rem;
  color: var(--gray-300);
  margin-bottom: var(--spacing-md);
}

.empty-state h3 {
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.empty-state p {
  color: var(--text-secondary);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-index-modal);
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
}

.modal-container {
  position: relative;
  width: 90%;
  max-width: 700px;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  background-color: var(--bg-surface);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.modal-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
}

.modal-close-btn:hover {
  background-color: var(--bg-muted);
  color: var(--text-primary);
}

.modal-close-btn i {
  font-size: 1.25rem;
}

/* Compose Email */
.compose-form {
  display: flex;
  flex-direction: column;
  height: 70vh;
  max-height: 700px;
}

.compose-fields {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.compose-body {
  flex: 1;
  padding: var(--spacing-lg);
  overflow-y: auto;
}

.compose-body textarea {
  width: 100%;
  height: 100%;
  resize: none;
  border: none;
  padding: 0;
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
}

.compose-body textarea:focus {
  outline: none;
  box-shadow: none;
}

.compose-attachments {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.compose-attachments h4 {
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.compose-attachments-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.compose-attachment {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--bg-subtle);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
}

.compose-attachment-icon {
  color: var(--secondary-color);
  font-size: 1.25rem;
}

.compose-attachment-name {
  font-weight: 500;
}

.compose-attachment-size {
  color: var(--text-tertiary);
  font-size: 0.75rem;
}

.compose-attachment-remove {
  color: var(--text-tertiary);
  font-size: 1rem;
  margin-left: var(--spacing-sm);
}

.compose-attachment-remove:hover {
  color: var(--danger-color);
}

.compose-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.left-actions, .right-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Settings */
.settings-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
}

.settings-section {
  margin-bottom: var(--spacing-xl);
}

.settings-section h4 {
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid var(--border-color);
}

.settings-option {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.settings-option label {
  flex: 1;
  font-weight: 500;
}

.theme-selector {
  display: flex;
  gap: var(--spacing-sm);
}

.theme-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  gap: var(--spacing-xs);
}

.theme-btn.active {
  border-color: var(--primary-color);
  background-color: rgba(37, 99, 235, 0.05);
}

.theme-btn:hover:not(.active) {
  background-color: var(--bg-subtle);
}

.theme-btn i {
  font-size: 1.5rem;
  color: var(--text-secondary);
}

.theme-btn span {
  font-size: 0.75rem;
  font-weight: 500;
}

.account-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  background-color: var(--bg-subtle);
}

.account-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--accent-color);
  color: white;
  font-weight: 600;
}

.account-details {
  flex: 1;
}

.account-details h5 {
  margin-bottom: var(--spacing-xs);
}

.account-details p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 180px;
  background-color: var(--bg-elevated);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-index-dropdown);
  margin-top: var(--spacing-xs);
  animation: dropdownFadeIn 0.2s ease;
}

.dropdown-menu-right {
  right: 0;
  left: auto;
}

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

.dropdown-header {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.dropdown-header p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.dropdown-divider {
  height: 1px;
  background-color: var(--border-color);
  margin: var(--spacing-xs) 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  font-size: 0.875rem;
  width: 100%;
  text-align: left;
}

.dropdown-item:hover {
  background-color: var(--bg-subtle);
  color: var(--text-primary);
}

.dropdown-item i {
  font-size: 1.1rem;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  z-index: var(--z-index-toast);
}

.toast {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  background-color: var(--bg-elevated);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  animation: toastFadeIn 0.3s ease;
  max-width: 320px;
  border-left: 4px solid var(--primary-color);
}

.toast.success {
  border-left-color: var(--success-color);
}

.toast.warning {
  border-left-color: var(--warning-color);
}

.toast.error {
  border-left-color: var(--danger-color);
}

.toast-icon {
  margin-right: var(--spacing-md);
  font-size: 1.5rem;
}

.toast.success .toast-icon {
  color: var(--success-color);
}

.toast.warning .toast-icon {
  color: var(--warning-color);
}

.toast.error .toast-icon {
  color: var(--danger-color);
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.toast-message {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.toast-close {
  color: var(--text-tertiary);
  margin-left: var(--spacing-md);
}

.toast-close:hover {
  color: var(--text-primary);
}

@keyframes toastFadeIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Skeleton loading */
.skeleton-item {
  background-color: var(--bg-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

.skeleton-line {
  height: 16px;
  width: 100%;
  background-color: var(--bg-muted);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
}

.skeleton-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-muted);
  flex-shrink: 0;
  margin-right: var(--spacing-md);
}

.skeleton-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.skeleton-item::after,
.skeleton-line::after,
.skeleton-circle::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* Responsive */
@media (max-width: 1200px) {
  :root {
    --email-list-width: 320px;
  }
}

@media (max-width: 992px) {
  .app-brand h1 {
    display: none;
  }
  
  :root {
    --sidebar-width: 220px;
  }
  
  .compose-btn span {
    display: none;
  }
  
  .compose-btn {
    justify-content: center;
    padding: var(--spacing-sm);
  }
  
  .compose-btn i {
    margin: 0;
  }
}

@media (max-width: 768px) {
  .mobile-only {
    display: block;
  }
  
  .app-sidebar {
    position: fixed;
    left: 0;
    top: var(--header-height);
    bottom: 0;
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-lg);
  }
  
  .app-sidebar.show {
    transform: translateX(0);
  }
  
  .email-list-section {
    width: 100%;
    border-right: none;
  }
  
  .email-view-section {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-surface);
    z-index: 40;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
  }
  
  .email-view-section.show {
    transform: translateX(0);
  }
  
  .email-content {
    padding: var(--spacing-md);
  }
  
  .section-actions span {
    display: none;
  }
  
  .action-btn {
    padding: var(--spacing-xs);
  }
  
  .action-btn span {
    display: none;
  }
  
  .search-container {
    margin: 0 var(--spacing-xs);
  }
  
  .search-input-wrapper input {
    padding-left: var(--spacing-md);
  }
  
  .search-input-wrapper i {
    display: none;
  }
  
  .header-actions {
    gap: var(--spacing-xs);
  }
  
  .modal-container {
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    border-radius: 0;
  }
  
  .compose-form {
    height: calc(100vh - var(--header-height));
    max-height: none;
  }
  
  .compose-fields,
  .compose-body,
  .compose-actions {
    padding: var(--spacing-md);
  }
  
  .sender-info {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .email-date-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .email-actions {
    width: 100%;
    justify-content: space-between;
  }
  
  .email-subject {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .app-header {
    padding: 0 var(--spacing-sm);
  }
  
  .header-btn,
  .user-avatar {
    width: 32px;
    height: 32px;
  }
  
  .section-header {
    padding: var(--spacing-sm);
  }
  
  .section-header h2 {
    font-size: 1rem;
  }
  
  .email-item {
    padding: var(--spacing-sm);
  }
  
  .toast-container {
    left: var(--spacing-sm);
    right: var(--spacing-sm);
    bottom: var(--spacing-sm);
  }
  
  .toast {
    max-width: none;
  }
}

/* Print styles */
@media print {
  .app-header, .app-sidebar, .email-list-section, .email-actions, .compose-actions {
    display: none !important;
  }
  
  .app-container {
    display: block;
    overflow: visible;
  }
  
  .email-view-section {
    overflow: visible;
  }
  
  .email-content {
    padding: 0;
  }
  
  .email-body {
    font-size: 12pt;
  }
}


/* Estilo para la lista de carpetas */
.nav-folders {
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
}

/* Estilo para cada elemento de carpeta */
.nav-folders .nav-item {
  margin: 2px 0;
  border-radius: 8px;
  transition: background-color 0.2s ease;
}

/* Estilo para los enlaces dentro de elementos de carpeta */
.nav-folders .nav-item a {
  display: flex;
  align-items: center;
  padding: 10px 15px;
  color: #4b5563; /* Color de texto gris oscuro */
  text-decoration: none; /* Elimina el subrayado */
  font-size: 14px;
  border-radius: 8px;
  transition: all 0.2s ease;
}

/* Estilo para íconos */
.nav-folders .nav-item i {
  margin-right: 10px;
  font-size: 18px;
  color: #6b7280; /* Color gris para íconos */
}

/* Hover effect para elementos de carpeta */
.nav-folders .nav-item:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.nav-folders .nav-item:hover a {
  color: #2563eb; /* Color azul al pasar el mouse */
}

.nav-folders .nav-item:hover i {
  color: #2563eb; /* Color azul para íconos al pasar el mouse */
}

/* Estilo para carpeta activa/seleccionada */
.nav-folders .nav-item.active {
  background-color: rgba(37, 99, 235, 0.1);
}

.nav-folders .nav-item.active a {
  color: #2563eb; /* Color azul para elemento activo */
  font-weight: 500;
}

.nav-folders .nav-item.active i {
  color: #2563eb; /* Color azul para ícono de elemento activo */
}

/* Para temas oscuros, puedes agregar estos estilos */
.theme-dark .nav-folders .nav-item a {
  color: #e5e7eb;
}

.theme-dark .nav-folders .nav-item i {
  color: #9ca3af;
}

.theme-dark .nav-folders .nav-item:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.theme-dark .nav-folders .nav-item.active {
  background-color: rgba(37, 99, 235, 0.15);
}

/* Iconos específicos para diferentes carpetas */
.nav-folders .nav-item[data-folder="INBOX"] i {
  color: #3b82f6; /* azul para bandeja de entrada */
}

.nav-folders .nav-item[data-folder*="Sent"] i {
  color: #10b981; /* verde para enviados */
}

.nav-folders .nav-item[data-folder*="Drafts"] i {
  color: #f59e0b; /* amarillo para borradores */
}

.nav-folders .nav-item[data-folder*="Trash"] i {
  color: #ef4444; /* rojo para papelera */
}

.nav-folders .nav-item[data-folder*="Spam"] i {
  color: #f97316; /* naranja para spam */
}

/* Añade un pequeño espaciado para separar las carpetas */
.sidebar-divider {
  padding: 15px 15px 5px;
  font-size: 12px;
  text-transform: uppercase;
  font-weight: 500;
  color: #6b7280;
  letter-spacing: 0.5px;
}

/* Si hay anidación de carpetas, podría agregar algo de indentación */
.nav-folders .nav-item .sub-folders {
  margin-left: 20px;
}


/* Estilos para el buscador y resultados de búsqueda */

/* Contenedor de búsqueda */
.search-container {
  position: relative;
}

.search-input {
  padding-left: 30px;
  border-radius: 20px;
  border: 1px solid #ddd;
  height: 36px;
  width: 100%;
  transition: all 0.2s ease;
}

.search-input:focus {
  border-color: #007bff;
  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: #888;
}

.search-clear {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: #888;
  cursor: pointer;
  display: none;
}

.search-input:not(:placeholder-shown) ~ .search-clear {
  display: block;
}

/* Overlay de búsqueda */
.searching-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
}

.searching-content {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: white;
  padding: 10px 15px;
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Resultados de búsqueda */
.search-results-info {
  display: none;
  padding: 8px 12px;
  background-color: #f8f9fa;
  border-radius: 4px;
  margin-bottom: 10px;
  font-size: 13px;
  color: #555;
}

.search-active .search-results-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.search-results-count {
  font-weight: 500;
}

.search-results-clear {
  color: #007bff;
  cursor: pointer;
  font-size: 12px;
  text-decoration: none;
}

.search-results-clear:hover {
  text-decoration: underline;
}

.search-highlight {
  background-color: rgba(255, 230, 0, 0.4);
  padding: 1px 2px;
  border-radius: 2px;
}

/* No se encontraron resultados */
.no-search-results {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  text-align: center;
  color: #777;
}

.no-search-results i {
  font-size: 48px;
  margin-bottom: 15px;
  color: #ddd;
}

.no-search-results h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: #555;
}

.no-search-results p {
  font-size: 14px;
  margin-bottom: 15px;
}

/* Adaptaciones responsive */
@media (max-width: 768px) {
  .search-input {
    height: 32px;
    font-size: 14px;
  }
  
  .search-results-info {
    padding: 6px 10px;
    font-size: 12px;
  }
}

/* Scrollbar personalizado con motivos púrpura */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background-color: rgba(183, 160, 225, 0.1);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background-color: var(--secondary-color);
  border-radius: 10px;
  border: 2px solid var(--bg-surface);
  transition: background-color 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--primary-color);
}

::-webkit-scrollbar-corner {
  background-color: transparent;
}

/* Estilos específicos para diferentes secciones */
.email-list::-webkit-scrollbar-thumb {
  background-color: var(--secondary-color);
}

.email-view-section::-webkit-scrollbar-thumb {
  background-color: var(--accent-color);
}

.app-sidebar::-webkit-scrollbar {
  width: 6px;
}

.app-sidebar::-webkit-scrollbar-thumb {
  background-color: var(--primary-hover);
}

/* Soporte para Firefox */
* {
  scrollbar-color: var(--secondary-color) rgba(183, 160, 225, 0.1);
  scrollbar-width: thin;
}

.email-view-section {
  scrollbar-color: var(--accent-color) rgba(183, 160, 225, 0.1);
}

.app-sidebar {
  scrollbar-color: var(--primary-hover) rgba(183, 160, 225, 0.1);
}

/* Soporte para tema oscuro */
.theme-dark::-webkit-scrollbar-track {
  background-color: rgba(90, 50, 180, 0.15);
}

.theme-dark::-webkit-scrollbar-thumb {
  background-color: rgba(167, 139, 250, 0.6);
  border: 2px solid var(--bg-elevated);
}

.theme-dark::-webkit-scrollbar-thumb:hover {
  background-color: rgba(167, 139, 250, 0.8);
}

.theme-dark * {
  scrollbar-color: rgba(167, 139, 250, 0.6) rgba(90, 50, 180, 0.15);
}

/* Fix para textos en el cuerpo del email en tema oscuro */
.theme-dark .email-body,
:root.theme-system.dark-mode .email-body {
  color: var(--text-primary);
}

/* Asegurarse de que todos los elementos de texto en el cuerpo del email hereden el color */
.theme-dark .email-body *,
:root.theme-system.dark-mode .email-body * {
  color: inherit !important;
  background-color: transparent !important;
}

/* Fix para enlaces en tema oscuro */
.theme-dark .email-body a,
:root.theme-system.dark-mode .email-body a {
  color: var(--primary-color) !important;
}

/* Fondos especiales para bloques de código o citas en tema oscuro */
.theme-dark .email-body pre,
.theme-dark .email-body code,
.theme-dark .email-body blockquote,
:root.theme-system.dark-mode .email-body pre,
:root.theme-system.dark-mode .email-body code,
:root.theme-system.dark-mode .email-body blockquote {
  background-color: rgba(255, 255, 255, 0.1) !important;
  border-color: rgba(255, 255, 255, 0.15) !important;
}
/* Botón volver para móvil */
.mobile-back-bar {
  display: none;
  padding: 10px;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-surface);
}

.mobile-back-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--primary-color);
  font-weight: 500;
  padding: 5px 10px;
  border-radius: var(--radius-md);
}

.mobile-back-btn:hover {
  background-color: var(--bg-subtle);
}

.mobile-back-btn i {
  font-size: 1.2rem;
}

@media (max-width: 768px) {
  .mobile-back-bar {
    display: block;
  }
  
  .email-content {
    padding-top: 0;
  }
}