/* ============================================ */
/* MetaMail — Material Design 3 Theme           */
/* Uses FakeMUI M3 token system                 */
/* ============================================ */

/* ============================================ */
/* Material Symbols (self-hosted)               */
/* ============================================ */
@font-face {
  font-family: 'Material Symbols Outlined';
  font-style: normal;
  font-weight: 100 700;
  font-display: block;
  src: url('/emailclient/fonts/material-symbols-outlined.woff2') format('woff2');
}

.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  font-feature-settings: 'liga' 1;
  -webkit-font-feature-settings: 'liga' 1;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  color-scheme: light dark;

  /* Primary */
  --mat-sys-primary: #6750a4;
  --mat-sys-on-primary: #ffffff;
  --mat-sys-primary-container: #eaddff;
  --mat-sys-on-primary-container: #21005d;

  /* Secondary */
  --mat-sys-secondary: #625b71;
  --mat-sys-on-secondary: #ffffff;
  --mat-sys-secondary-container: #e8def8;
  --mat-sys-on-secondary-container: #1d192b;

  /* Error */
  --mat-sys-error: #b3261e;
  --mat-sys-on-error: #ffffff;

  /* Surface */
  --mat-sys-surface: #fef7ff;
  --mat-sys-on-surface: #1d1b20;
  --mat-sys-surface-variant: #e7e0ec;
  --mat-sys-on-surface-variant: #49454f;
  --mat-sys-surface-container-highest: #e6e0e9;
  --mat-sys-surface-container-high: #ece6f0;
  --mat-sys-surface-container: #f3edf7;
  --mat-sys-surface-container-low: #f7f2fa;
  --mat-sys-surface-container-lowest: #ffffff;
  --mat-sys-surface-dim: #ded8e1;
  --mat-sys-surface-bright: #fef7ff;
  --mat-sys-background: #fef7ff;
  --mat-sys-on-background: #1d1b20;

  /* Outline */
  --mat-sys-outline: #79747e;
  --mat-sys-outline-variant: #cac4d0;

  /* Inverse */
  --mat-sys-inverse-surface: #322f35;
  --mat-sys-inverse-on-surface: #f5eff7;
  --mat-sys-inverse-primary: #d0bcff;

  /* Shape */
  --mat-sys-corner-extra-small: 4px;
  --mat-sys-corner-small: 8px;
  --mat-sys-corner-medium: 12px;
  --mat-sys-corner-large: 16px;
  --mat-sys-corner-extra-large: 28px;
  --mat-sys-corner-full: 9999px;

  /* Elevation */
  --mat-sys-level0: none;
  --mat-sys-level1: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 1px 3px 1px rgba(0, 0, 0, 0.15);
  --mat-sys-level2: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 2px 6px 2px rgba(0, 0, 0, 0.15);
  --mat-sys-level3: 0px 4px 8px 3px rgba(0, 0, 0, 0.15), 0px 1px 3px 0px rgba(0, 0, 0, 0.3);

  /* Motion */
  --mat-sys-motion-duration-short4: 200ms;
  --mat-sys-motion-duration-medium2: 300ms;
  --mat-sys-motion-easing-standard: cubic-bezier(0.2, 0, 0, 1);
  --mat-sys-motion-easing-emphasized-decelerate: cubic-bezier(0.05, 0.7, 0.1, 1);
}

/* ============================================ */
/* Dark Theme (softer, less jarring)            */
/* ============================================ */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --mat-sys-primary: #d0bcff;
    --mat-sys-on-primary: #381e72;
    --mat-sys-primary-container: #4f378b;
    --mat-sys-on-primary-container: #eaddff;
    --mat-sys-secondary: #ccc2dc;
    --mat-sys-on-secondary: #332d41;
    --mat-sys-secondary-container: #4a4458;
    --mat-sys-error: #f2b8b5;
    --mat-sys-on-error: #601410;
    --mat-sys-surface: #1e1e2e;
    --mat-sys-on-surface: #cdd6f4;
    --mat-sys-surface-variant: #45475a;
    --mat-sys-on-surface-variant: #bac2de;
    --mat-sys-surface-container-highest: #45475a;
    --mat-sys-surface-container-high: #363849;
    --mat-sys-surface-container: #2a2b3d;
    --mat-sys-surface-container-low: #232434;
    --mat-sys-surface-container-lowest: #1a1b2e;
    --mat-sys-surface-dim: #1e1e2e;
    --mat-sys-surface-bright: #45475a;
    --mat-sys-background: #1e1e2e;
    --mat-sys-on-background: #cdd6f4;
    --mat-sys-outline: #6c7086;
    --mat-sys-outline-variant: #45475a;
    --mat-sys-inverse-surface: #cdd6f4;
    --mat-sys-inverse-on-surface: #1e1e2e;
    --mat-sys-inverse-primary: #6750a4;
  }
}

/* Manual theme toggle */
:root[data-theme="dark"] {
  --mat-sys-primary: #d0bcff;
  --mat-sys-on-primary: #381e72;
  --mat-sys-primary-container: #4f378b;
  --mat-sys-on-primary-container: #eaddff;
  --mat-sys-secondary: #ccc2dc;
  --mat-sys-on-secondary: #332d41;
  --mat-sys-secondary-container: #4a4458;
  --mat-sys-error: #f2b8b5;
  --mat-sys-on-error: #601410;
  --mat-sys-surface: #1e1e2e;
  --mat-sys-on-surface: #cdd6f4;
  --mat-sys-surface-variant: #45475a;
  --mat-sys-on-surface-variant: #bac2de;
  --mat-sys-surface-container-highest: #45475a;
  --mat-sys-surface-container-high: #363849;
  --mat-sys-surface-container: #2a2b3d;
  --mat-sys-surface-container-low: #232434;
  --mat-sys-surface-container-lowest: #1a1b2e;
  --mat-sys-surface-dim: #1e1e2e;
  --mat-sys-surface-bright: #45475a;
  --mat-sys-background: #1e1e2e;
  --mat-sys-on-background: #cdd6f4;
  --mat-sys-outline: #6c7086;
  --mat-sys-outline-variant: #45475a;
  --mat-sys-inverse-surface: #cdd6f4;
  --mat-sys-inverse-on-surface: #1e1e2e;
  --mat-sys-inverse-primary: #6750a4;
}

:root[data-theme="light"] {
  --mat-sys-primary: #6750a4;
  --mat-sys-on-primary: #ffffff;
  --mat-sys-surface: #fef7ff;
  --mat-sys-on-surface: #1d1b20;
  --mat-sys-surface-variant: #e7e0ec;
  --mat-sys-on-surface-variant: #49454f;
  --mat-sys-surface-container-highest: #e6e0e9;
  --mat-sys-surface-container-high: #ece6f0;
  --mat-sys-surface-container: #f3edf7;
  --mat-sys-surface-container-low: #f7f2fa;
  --mat-sys-surface-container-lowest: #ffffff;
  --mat-sys-background: #fef7ff;
  --mat-sys-on-background: #1d1b20;
  --mat-sys-outline: #79747e;
  --mat-sys-outline-variant: #cac4d0;
}

/* ============================================ */
/* Base Styles                                  */
/* ============================================ */
html {
  font-family: 'Google Sans', 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--mat-sys-surface);
  color: var(--mat-sys-on-surface);
  line-height: 1.5;
}

#app-root {
  min-height: 100vh;
}

a {
  color: var(--mat-sys-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

button:focus-visible {
  outline: 2px solid var(--mat-sys-primary);
  outline-offset: 2px;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ============================================ */
/* Mailbox Layout (3-column Gmail)              */
/* ============================================ */
.mailbox-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background-color: var(--mat-sys-surface);
}

.mailbox-header {
  background-color: var(--mat-sys-surface) !important;
  color: var(--mat-sys-on-surface) !important;
  box-shadow: none !important;
  border-bottom: 1px solid var(--mat-sys-outline-variant);
}

.mailbox-header .mat-toolbar {
  min-height: 64px;
  padding: 0 8px;
}

.mailbox-content {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.mailbox-sidebar {
  width: 256px;
  overflow-y: auto;
  background-color: var(--mat-sys-surface);
  flex-shrink: 0;
  border-right: none;
  padding-top: 8px;
}

.mailbox-main {
  flex: 1;
  overflow-y: auto;
  background-color: var(--mat-sys-surface-container-lowest);
  min-width: 300px;
}

.mailbox-detail {
  width: 50%;
  max-width: 600px;
  overflow-y: auto;
  border-left: 1px solid var(--mat-sys-outline-variant);
  background-color: var(--mat-sys-surface);
}

/* ============================================ */
/* Folder Navigation (Gmail sidebar)            */
/* ============================================ */
.folder-navigation {
  padding: 0 12px;
}

.folder-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.folder-nav-item {
  display: flex !important;
  align-items: center;
  gap: 16px;
  padding: 0 24px 0 12px !important;
  height: 32px;
  min-height: 32px !important;
  border-radius: 0 var(--mat-sys-corner-full) var(--mat-sys-corner-full) 0 !important;
  text-align: left !important;
  justify-content: flex-start !important;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  text-transform: none !important;
  color: var(--mat-sys-on-surface-variant) !important;
  line-height: 32px;
  background: none !important;
  transition: background-color var(--mat-sys-motion-duration-short4) var(--mat-sys-motion-easing-standard);
}

.folder-nav-item:hover {
  background-color: var(--mat-sys-surface-container-high) !important;
}

.folder-nav-item .folder-icon {
  font-family: 'Material Symbols Outlined';
  font-size: 20px;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 20;
  -webkit-font-smoothing: antialiased;
}

.folder-nav-item .folder-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.folder-nav-item .unread-count {
  background-color: var(--mat-sys-primary-container);
  color: var(--mat-sys-on-primary-container);
  border-radius: var(--mat-sys-corner-full);
  padding: 0 6px;
  font-size: 0.6875rem;
  font-weight: 700;
  min-width: 18px;
  text-align: center;
  margin-left: auto;
}

/* Active folder — filled tonal */
.folder-nav-item[class*="primary"],
.folder-nav-item.active {
  background-color: var(--mat-sys-secondary-container) !important;
  color: var(--mat-sys-on-secondary-container) !important;
  font-weight: 700 !important;
}

.folder-nav-item[class*="primary"] .unread-count {
  color: var(--mat-sys-on-secondary-container);
}

/* ============================================ */
/* Mailbox Header Bar                           */
/* ============================================ */
.mailbox-header-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 0 8px;
}

.mailbox-header-left {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  min-width: 200px;
}

.mailbox-header-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.mailbox-header-logo {
  color: var(--mat-sys-primary);
}

.mailbox-header-title {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--mat-sys-on-surface);
  white-space: nowrap;
}

.mailbox-header-search {
  flex: 1;
  max-width: 680px;
  margin: 0 auto;
  position: relative;
}

.mailbox-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--mat-sys-on-surface-variant);
  pointer-events: none;
}

.mailbox-search-input {
  width: 100%;
  padding: 8px 16px 8px 44px;
  border-radius: var(--mat-sys-corner-extra-large);
  border: none;
  background-color: var(--mat-sys-surface-container-high);
  color: var(--mat-sys-on-surface);
  font-size: 0.875rem;
  outline: none;
  transition: background-color var(--mat-sys-motion-duration-short4) var(--mat-sys-motion-easing-standard),
              box-shadow var(--mat-sys-motion-duration-short4) var(--mat-sys-motion-easing-standard);
}

.mailbox-search-input:focus {
  background-color: var(--mat-sys-surface-container-highest);
  box-shadow: var(--mat-sys-level1);
}

.mailbox-search-input::placeholder {
  color: var(--mat-sys-on-surface-variant);
}

.mailbox-header-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.mailbox-header-icon-btn {
  color: var(--mat-sys-on-surface-variant) !important;
  width: 36px !important;
  height: 36px !important;
  border-radius: var(--mat-sys-corner-full) !important;
  transition: background-color var(--mat-sys-motion-duration-short4) !important;
}

.mailbox-header-icon-btn:hover {
  background-color: var(--mat-sys-surface-container-high) !important;
}

.mailbox-header-alert-wrapper {
  position: relative;
  display: inline-flex;
}

.mailbox-header-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 16px;
  height: 16px;
  border-radius: var(--mat-sys-corner-full);
  background-color: var(--mat-sys-error);
  color: var(--mat-sys-on-error);
  font-size: 0.625rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  pointer-events: none;
}

.mailbox-header-lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  border-radius: var(--mat-sys-corner-full);
  background: none;
  border: none;
  color: var(--mat-sys-on-surface-variant);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--mat-sys-motion-duration-short4);
  letter-spacing: 0.04em;
}

.mailbox-header-lang-btn:hover {
  background-color: var(--mat-sys-surface-container-high);
}

.mailbox-header-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--mat-sys-corner-full);
  background-color: var(--mat-sys-primary);
  color: var(--mat-sys-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  margin-left: 4px;
}

/* ============================================ */
/* Mailbox Sidebar Content                      */
/* ============================================ */
.mailbox-sidebar-content {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.mailbox-sidebar-compose {
  padding: 16px 12px;
}

/* ============================================ */
/* Email Detail / Reading Pane                  */
/* ============================================ */
.email-detail {
  height: 100%;
  overflow-y: auto;
  padding: 24px;
}

.email-detail-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.email-detail-back {
  color: var(--mat-sys-on-surface-variant);
}

.email-detail-actions {
  display: flex;
  gap: 4px;
}

.email-detail-body {
  margin-top: 24px;
  font-size: 0.875rem;
  line-height: 1.8;
  white-space: pre-wrap;
  color: var(--mat-sys-on-surface);
}

.email-detail-reply-bar {
  margin-top: 32px;
  border-top: 1px solid var(--mat-sys-outline-variant);
  padding-top: 16px;
  display: flex;
  gap: 8px;
}

.email-detail-reply-btn {
  border-radius: var(--mat-sys-corner-extra-large) !important;
  text-transform: none !important;
}

/* ============================================ */
/* Compose Button                               */
/* ============================================ */
.compose-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-radius: var(--mat-sys-corner-large);
  background-color: var(--mat-sys-primary-container);
  color: var(--mat-sys-on-primary-container);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  box-shadow: var(--mat-sys-level2);
  transition: box-shadow var(--mat-sys-motion-duration-short4) var(--mat-sys-motion-easing-standard),
              background-color var(--mat-sys-motion-duration-short4) var(--mat-sys-motion-easing-standard);
  cursor: pointer;
  border: none;
}

.compose-btn:hover {
  box-shadow: var(--mat-sys-level3);
  background-color: color-mix(in srgb, var(--mat-sys-primary-container) 92%, var(--mat-sys-on-primary-container));
}

/* ============================================ */
/* Email Card (thread list item)                */
/* ============================================ */
.email-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 16px;
  cursor: pointer;
  border: none;
  border-bottom: 1px solid var(--mat-sys-surface-variant);
  border-radius: 0;
  background-color: transparent;
  transition: background-color var(--mat-sys-motion-duration-short4) var(--mat-sys-motion-easing-standard);
  box-shadow: none;
}

.email-card:hover {
  background-color: var(--mat-sys-surface-container);
  border-color: var(--mat-sys-surface-variant);
}

/* Issue 1 — selected card distinct highlight */
.email-card[aria-current="true"] {
  background-color: var(--mat-sys-secondary-container) !important;
  border-left: 3px solid var(--mat-sys-primary);
  padding-left: 13px;
}

.email-card--unread {
  background-color: var(--mat-sys-surface-container-lowest);
  border-left: 3px solid var(--mat-sys-primary);
  padding-left: 13px;
}

.email-card--unread .email-from,
.email-card--unread .email-subject {
  font-weight: 700;
}

.email-card--read {
  background-color: transparent;
  opacity: 1;
}

.email-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
}

.email-from {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--mat-sys-on-surface);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.email-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.email-subject {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--mat-sys-on-surface);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.email-preview {
  font-size: 0.8125rem;
  color: var(--mat-sys-on-surface-variant);
  margin-top: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.email-date {
  font-size: 0.75rem;
  color: var(--mat-sys-on-surface-variant);
  white-space: nowrap;
}

/* ============================================ */
/* Star & Read Checkbox                         */
/* ============================================ */
.star-button {
  background: none;
  border: none;
  font-size: 1.125rem;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--mat-sys-corner-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--mat-sys-motion-duration-short4);
}

.star-button:hover {
  background-color: var(--mat-sys-surface-container-high);
}

/* Issue 4 — starred state amber color */
.star-button--active {
  color: #f9a825;
}

.star-button--active .material-symbols-outlined {
  color: #f9a825;
}

/* ============================================ */
/* Email Detail / Reading Pane                  */
/* ============================================ */
.email-header {
  border-bottom: 1px solid var(--mat-sys-outline-variant);
  padding-bottom: 16px;
}

.email-header h5 {
  font-size: 1.375rem;
  font-weight: 400;
  color: var(--mat-sys-on-surface);
  margin-bottom: 16px;
  line-height: 1.3;
}

/* Issue 9 — email header metadata layout */
.header-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.header-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 12px;
}

/* ============================================ */
/* Thread Panel (main area)                     */
/* ============================================ */
.mailbox-thread-panel {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.mailbox-thread-toolbar {
  padding: 8px 16px;
  border-bottom: 1px solid var(--mat-sys-outline-variant);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mailbox-thread-folder-label {
  font-size: 0.8125rem !important;
  color: var(--mat-sys-on-surface-variant) !important;
  font-weight: 500 !important;
  text-transform: capitalize;
}

.mailbox-thread-unread-label {
  font-size: 0.75rem !important;
  color: var(--mat-sys-on-surface-variant) !important;
}

.mailbox-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  color: var(--mat-sys-on-surface-variant);
  gap: 12px;
  padding: 48px 16px;
}

.mailbox-empty-icon {
  font-size: 64px;
  opacity: 0.4;
}

/* ============================================ */
/* Thread List                                  */
/* ============================================ */
.thread-list {
  display: flex;
  flex-direction: column;
}

.no-emails {
  padding: 48px 16px;
  text-align: center;
  color: var(--mat-sys-on-surface-variant);
  font-size: 0.875rem;
}

/* ============================================ */
/* Compose Window (fixed, bottom-right)         */
/* ============================================ */
.compose-window {
  position: fixed;
  bottom: 0;
  right: 24px;
  width: 480px;
  max-width: calc(100vw - 48px);
  background: var(--mat-sys-surface-container-lowest);
  border-radius: var(--mat-sys-corner-large) var(--mat-sys-corner-large) 0 0;
  box-shadow: var(--mat-sys-level3);
  z-index: 100;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.compose-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background-color: var(--mat-sys-inverse-surface);
  color: var(--mat-sys-inverse-on-surface);
  border-radius: var(--mat-sys-corner-large) var(--mat-sys-corner-large) 0 0;
}

.compose-header h2 {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 500;
}

.close-btn {
  color: var(--mat-sys-inverse-on-surface);
  font-size: 1.25rem;
  padding: 4px;
  border-radius: var(--mat-sys-corner-full);
}

.close-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.compose-body {
  padding: 12px 16px;
  overflow-y: auto;
  max-height: 400px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.compose-body input,
.compose-body textarea {
  border: none;
  border-bottom: 1px solid var(--mat-sys-outline-variant);
  border-radius: 0;
  padding: 8px 0;
  background: transparent;
  color: var(--mat-sys-on-surface);
  font-size: 0.875rem;
  outline: none;
  width: 100%;
}

.compose-body input:focus,
.compose-body textarea:focus {
  border-bottom-color: var(--mat-sys-primary);
  box-shadow: none;
}

.compose-body textarea {
  min-height: 200px;
  border-bottom: none;
  resize: none;
}

.compose-footer {
  display: flex;
  gap: 8px;
  padding: 8px 16px;
  align-items: center;
  border-top: 1px solid var(--mat-sys-outline-variant);
}

/* ============================================ */
/* Sync Status                                  */
/* ============================================ */
.sync-status-badge {
  padding: 4px 12px;
  border-radius: var(--mat-sys-corner-full);
  font-size: 0.75rem;
  background-color: var(--mat-sys-surface-container);
  color: var(--mat-sys-on-surface-variant);
}

.sync-progress {
  padding: 12px 16px;
  background-color: var(--mat-sys-primary-container);
  color: var(--mat-sys-on-primary-container);
  border-radius: var(--mat-sys-corner-small);
  margin: 8px;
  font-size: 0.8125rem;
}

/* ============================================ */
/* Scrollbar                                    */
/* ============================================ */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--mat-sys-outline-variant);
  border-radius: var(--mat-sys-corner-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--mat-sys-outline);
}

/* ============================================ */
/* Responsive                                   */
/* ============================================ */
@media (max-width: 768px) {
  .compose-window {
    width: 100%;
    max-width: 100%;
    right: 0;
  }

  .mailbox-sidebar {
    display: none;
  }

  .mailbox-detail {
    width: 100%;
    max-width: 100%;
    border-left: none;
    border-top: 1px solid var(--mat-sys-outline-variant);
  }
}