html.dark .compose-panel {
  border-color: var(--line);
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.05);
}
html.dark .compose-panel.maximized {
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
}
html.dark .compose-body .compose-field-input {
  color: var(--text);
}
@media (max-width: 640px) {
  .compose-stack {
    right: 0;
    left: 0;
  }
  .compose-wrapper {
    width: 100%;
  }
  .compose-panel {
    width: 100%;
    max-height: 80dvh;
    border-radius: 12px 12px 0 0;
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
  }
  .compose-panel.maximized {
    inset: 8px;
  }
  .compose-minimized-bar {
    width: 200px;
  }
}

@media print {
  .sidebar, .topbar, .detail-tools, .list-toolbar, .compose-actions,
  .attachment-zone, .attachment-list, .loading-overlay, .toast,
  .confirm-dialog, .shortcut-help, .icon-button { display: none !important; }
  .workspace { grid-template-columns: 1fr !important; max-width: none !important; }
  .reading-panel { padding: 0 !important; }
  .message-body { padding-top: 12px !important; }
  .message-body a, .thread-msg-body a { color: var(--text) !important; text-decoration: underline !important; }
  .thread-msg.collapsed .thread-msg-body { display: block !important; }
  .thread-msg-body { padding-top: 8px !important; }
  body { background: white !important; color: black !important; overflow: visible !important; }
  * { box-shadow: none !important; }
}


.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  border-radius: 10px;
  background: var(--dark);
  color: var(--button-text);
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  transform: translateY(100px);
  opacity: 0;
  transition:
    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.3s ease;
  z-index: 1000;
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}
.toast-error {
  background: #c5221f;
}
.toast-success {
  background: #166534;
}
.message-row.active {
  background: var(--input);
  border-color: rgba(41, 119, 245, 0.2);
}
html.dark {
  --blue: #3b82f6;
  --grey-blue: #94a3b8;
  --dark: #cbd5e1;
  --input: #1e293b;
  --button-text: #f1f5f9;
  --card: #1e293b;
  --title: #f1f5f9;
  --underline: #334155;
  --line: rgba(148, 163, 184, 0.18);
  --surface: #0f172a;
  --canvas: #020617;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --sidebar-bg: #0f172a;
  color-scheme: dark;
}
html.dark .message-row:hover {
  background: var(--card);
}
html.dark .editor-toolbar {
  background: var(--surface);
}
html.dark .search-control {
  background: var(--input);
}
html.dark .sidebar {
  background: var(--sidebar-bg);
  border-color: var(--line);
}
html.dark .sidebar .folder-button {
  color: var(--muted);
}
html.dark .sidebar .folder-button.active {
  background: var(--card);
  color: var(--title);
}
html.dark .list-panel {
  background: var(--surface);
}
html.dark .workspace {
  background: var(--surface);
}
html.dark .topbar {
  background: var(--surface);
  border-color: var(--line);
}
html.dark .confirm-dialog .content {
  background: var(--surface);
}
html.dark .shortcut-help .content {
  background: var(--surface);
}
html.dark .icon-button {
  color: var(--dark);
}
html.dark .icon-button:hover {
  background: var(--card);
}
html.dark .avatar-button:hover {
  border-color: var(--line);
}
html.dark .attachment-zone {
  background: var(--input);
  border-color: var(--line);
}
html.dark .attachment-zone:hover {
  border-color: var(--blue);
  background: var(--card);
}
html.dark .message-body a {
  color: #60a5fa;
}
html.dark .empty-mark {
  background: var(--input);
}
html.dark .autosave-indicator {
  background: var(--input);
}
html.dark .message-item {
  border-color: var(--line);
}
html.dark .form-message {
  color: #fca5a5;
}
html.dark .avatar {
  background: #3b82f6;
}
html.dark .autosave-indicator {
  background: var(--input);
}
html.dark .autosave-indicator.saved {
  color: #86efac;
}
html.dark .autosave-indicator.saving {
  color: #60a5fa;
}
html.dark .attachment-pill {
  background: var(--input);
  border-color: var(--line);
  color: var(--text);
}
html.dark .kbd {
  background: var(--input);
  border-color: var(--line);
  color: var(--dark);
}
html.dark .loading-overlay {
  background: var(--surface);
}
html.dark .tool-btn {
  background: var(--surface);
  color: var(--dark);
}
html.dark .tool-btn:hover {
  background: var(--card);
}
html.dark .tool-btn:active {
  background: var(--input);
}
html.dark .tool-select {
  background-color: var(--surface);
  color: var(--dark);
}
html.dark .tool-select:hover {
  background-color: var(--card);
}
html.dark .search-control:focus-within {
  background: var(--surface);
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}
html.dark .confirm-dialog .actions .button:first-child {
  border-color: var(--line);
}
html.dark .confirm-dialog .actions .button:first-child:hover {
  background: var(--card);
}
.message-body img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}
.compose-form label {
  margin-bottom: 16px;
}
.compose-form label:last-of-type {
  margin-bottom: 24px;
}
.compose-field {
  margin-bottom: 16px;
}
.compose-label {
  display: block;
  font-weight: 600;
  font-size: 13px;
  color: var(--text);
  margin-bottom: 6px;
}
.rich-editor:focus-within {
  border-color: var(--blue);
  box-shadow: 0 0 0 2px rgba(41, 119, 245, 0.15);
}
@media (max-width: 900px) {
  .topbar {
    gap: 16px;
  }
  .search-control {
    max-width: 360px;
  }
  .workspace {
    grid-template-columns: 200px minmax(0, 1fr);
  }
  .empty-state {
    margin: 64px auto;
  }
}
@media (max-width: 640px) {
  .login-view {
    padding: 24px;
  }
  .topbar {
    height: auto;
    min-height: 64px;
    padding: 12px 16px;
    gap: 12px;
  }

  .search-control {
    max-width: none;
    flex: 1;
  }
  .workspace {
    display: block;
    min-height: 0;
    height: auto;
    max-height: none;
    overflow: visible;
  }
  .mail-content {
    height: auto;
    max-height: none;
    overflow: visible;
  }
  .sidebar {
    display: block;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 15px;
  }
  .compose-button {
    margin-bottom: 12px;
  }
  .folder-nav {
    display: flex;
    overflow: auto;
  }
  .folder-button {
    min-width: max-content;
    border-left: 0;
    border-bottom: 4px solid transparent;
  }
  .folder-button.active {
    border-left: 0;
    border-bottom-color: var(--underline);
  }
  .sidebar-bottom {
    display: flex;
    gap: 6px;
    margin-top: 8px;
    padding-top: 8px;
  }
  .reading-panel {
    border-top: 1px solid var(--line);
  }
  .admin-form {
    grid-template-columns: 1fr;
  }
  .admin-form label:nth-child(3) {
    grid-column: auto;
  }
  .detail-tools {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .message-detail {
    padding: 24px;
  }
  .user-row {
    align-items: flex-start;
    flex-direction: column;
  }
  .message-meta div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .reading-panel {
    padding: 20px 16px 40px;
  }
  .message-detail {
    padding: 20px 16px 40px;
  }
  .message-detail h1,
  .reading-panel h1 {
    font-size: 21px;
  }
  .detail-author .avatar {
    width: 32px;
    height: 32px;
    font-size: 13px;
  }
  .detail-summary-line {
    padding-left: 44px;
  }
  .thread-msg-header {
    padding: 12px 14px 10px;
  }
  .thread-msg-header .avatar {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }
  .thread-msg .detail-summary-line {
    padding: 0 14px 8px 42px;
  }
  .thread-msg-snippet {
    padding: 0 14px 12px 42px;
  }
  .thread-msg-body {
    padding: 4px 14px 16px 42px;
    max-width: none;
  }
  .detail-expanded {
    max-width: calc(100vw - 24px);
  }
  .thread-msg .detail-expanded {
    left: 8px;
    right: 8px;
    max-width: none;
  }
  .mobile-back {
    display: block;
  }
}

.nav-loading-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--blue);
  z-index: 9999;
  transition: width 0.2s ease, opacity 0.3s ease;
  border-radius: 0 2px 2px 0;
  opacity: 0;
  pointer-events: none;
}
.nav-loading-bar.active {
  opacity: 1;
}
.nav-loading-bar.indeterminate {
  width: 40% !important;
  animation: nav-bar-slide 1.2s ease-in-out infinite;
}
@keyframes nav-bar-slide {
  0% { left: -40%; }
  100% { left: 100%; }
}
.nav-loading-bar.done {
  width: 100% !important;
  opacity: 0;
  transition: opacity 0.25s ease 0.1s;
}

.folder-button.active svg {
  color: var(--blue);
}

.message-row:active {
  background: var(--underline) !important;
  transition: background 0.05s ease;
}
.message-row.active-nav {
  background: var(--underline);
}

.button.is-loading,
.secondary-button.is-loading,
.tool-button.is-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
  min-width: 80px;
}
.button.is-loading::after,
.secondary-button.is-loading::after,
.tool-button.is-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 18px;
  margin: -9px 0 0 -9px;
  border: 2px solid oklch(1 0.005 255 / 0.3);
  border-top-color: var(--button-text);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
.secondary-button.is-loading::after,
.tool-button.is-loading::after {
  border-color: rgba(41,119,245,0.2);
  border-top-color: var(--blue);
}
.tool-button.danger.is-loading::after {
  border-color: rgba(197,34,31,0.2);
  border-top-color: #c5221f;
}

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

.mail-view {
  animation: page-fade-in 0.2s ease;
}
@keyframes page-fade-in {
  from { opacity: 0.4; }
  to { opacity: 1; }
}

.star-glyph.pop {
  animation: star-pop 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes star-pop {
  0% { transform: scale(1); }
  40% { transform: scale(1.4); }
  100% { transform: scale(1); }
}

[data-bulk-all]:checked {
  animation: check-pop 0.2s ease;
}
@keyframes check-pop {
  50% { transform: scale(1.2); }
}


.avatar-button:hover .avatar {
  box-shadow: 0 0 0 3px rgba(41, 119, 245, 0.2);
  transition: box-shadow 0.2s ease;
}

.list-panel.is-loading .message-row,
.list-panel.is-loading .draft-row {
  pointer-events: none;
}
.list-panel.is-loading .message-row .row-sender,
.list-panel.is-loading .message-row .row-text,
.list-panel.is-loading .message-row .row-meta,
.list-panel.is-loading .draft-row strong,
.list-panel.is-loading .draft-row span {
  background: var(--input);
  border-radius: 4px;
  color: transparent;
  animation: skeleton-pulse 1s ease-in-out infinite alternate;
}
@keyframes skeleton-pulse {
  from { opacity: 0.6; }
  to { opacity: 1; }
}

.reading-panel.is-loading .message-detail,
.reading-panel.is-loading .empty-state {
  animation: skeleton-pulse 1s ease-in-out infinite alternate;
}

.compose-button:hover {
  background: var(--blue);
  color: var(--button-text);
}

.icon-button:active {
  transform: scale(0.92);
  transition: transform 0.08s ease;
}

.button, .secondary-button, .tool-button, .icon-button, .compose-button,
.folder-button, .text-button, .compose-send-btn, .compose-bottom-btn {
  position: relative;
  overflow: hidden;
}
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(41, 119, 245, 0.18);
  transform: scale(0);
  animation: ripple-expand 0.45s ease-out forwards;
  pointer-events: none;
}
.tool-button.danger .ripple { background: rgba(197, 34, 31, 0.15); }
.compose-send-btn .ripple { background: rgba(255, 255, 255, 0.3); }
@keyframes ripple-expand {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

.message-row.is-fetching {
  background: var(--input) !important;
  border-color: rgba(41, 119, 245, 0.16) !important;
  opacity: 0.9;
}
.message-row.is-fetching .sender,
.message-row.is-fetching .row-subject {
  opacity: 0.5;
  transition: opacity 0.15s ease;
}

.theme-toggle:not(.is-dark) {
  color: #475569;
}
.theme-toggle.is-dark {
  color: #facc15;
}
.theme-toggle.is-spinning svg {
  animation: theme-spin 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes theme-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(180deg); }
}

.account-dropdown {
  animation: dropdown-slide 0.18s cubic-bezier(0.22, 1, 0.36, 1);
  transform-origin: top right;
}
@keyframes dropdown-slide {
  from {
    opacity: 0;
    transform: translateY(-8px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
.account-dropdown[hidden] {
  animation: none;
}

.icon-button.is-spinning svg {
  animation: refresh-spin 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes refresh-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.folder-button {
  position: relative;
}

.confirm-dialog .button.is-loading {
  min-width: 80px;
}
.confirm-dialog .button.is-loading::after {
  border-color: oklch(1 0.005 255 / 0.3);
  border-top-color: var(--button-text);
}

.draft-row {
  transition: background 0.12s ease;
}
.draft-row:hover {
  background: var(--card);
}
.draft-row:active {
  background: var(--underline) !important;
}

.pagination .tool-button {
  transition: background 0.12s ease, border-color 0.12s ease;
}
.pagination .tool-button:hover {
  background: var(--input);
  border-color: var(--blue);
}

.context-menu {
  position: fixed;
  z-index: 10000;
  min-width: 200px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.18);
  padding: 6px 0;
  animation: context-open 0.12s ease;
}
@keyframes context-open {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}
.context-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.context-menu-item:hover {
  background: var(--input);
}
.context-menu-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--muted);
}
.context-menu-item.danger {
  color: #c5221f;
}
.context-menu-item.danger svg {
  color: #c5221f;
}
.context-menu-sep {
  height: 1px;
  background: var(--line);
  margin: 4px 0;
}

.detail-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 16px;
}
a.attachment-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  text-decoration: none;
  transition: background 0.12s ease, border-color 0.12s ease;
}
a.attachment-pill:hover {
  background: var(--card);
  border-color: var(--blue);
}
.attachment-size {
  color: var(--muted);
  font-size: 12px;
  margin-left: 2px;
}

.images-bar {
  display: flex;
  align-items: center;
  margin: 0 0 8px;
}
.images-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--muted);
  background: transparent;
  border: none;
}
.images-btn:hover {
  color: var(--blue);
  background: oklch(0.96 0.02 255);
}
.images-hidden img {
  display: none !important;
}

.admin-stats {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface);
  margin-bottom: 24px;
}
.stat-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 16px 20px;
  background: transparent;
  border: none;
  border-right: 1px solid var(--line);
  border-radius: 0;
}
.stat-card:last-child {
  border-right: none;
}
.stat-card:first-child {
  background: oklch(0.97 0.02 255);
}
.stat-card:first-child .stat-value {
  color: var(--blue);
}
.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--title);
}
.stat-label {
  font-size: 13px;
  color: var(--muted);
}
.admin-search {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--input);
  color: var(--muted);
  max-width: 360px;
}
.admin-search input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 14px;
  width: 100%;
  color: var(--text);
}
.user-edit-form input[type='text'] {
  min-width: 160px;
  max-width: 200px;
}
.user-edit-form select {
  padding: 8px 10px;
  font-size: 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
}
.muted {
  color: var(--muted);
  font-size: 14px;
}
.admin-audit {
  margin-top: 32px;
}
.admin-audit h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.audit-list {
  border-top: 1px solid var(--line);
}
.audit-row {
  display: grid;
  grid-template-columns: 160px 220px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.audit-action {
  font-weight: 600;
  color: var(--title);
}
.audit-target {
  color: var(--blue);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.audit-meta {
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.audit-row time {
  color: var(--muted);
  font-size: 12px;
}
.email-signature {
  margin-top: 12px;
}

.text-muted { color: var(--muted); }
.text-sm { font-size: 14px; }
.m-0 { margin: 0; }
.ml-auto { margin-left: auto; }
.admin-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-12 { width: 12px; height: 12px; }
.icon-14 { width: 14px; height: 14px; }
.icon-16 { width: 16px; height: 16px; }
.icon-18 { width: 18px; height: 18px; }
.icon-20 { width: 20px; height: 20px; }
.icon-24 { width: 24px; height: 24px; }
.icon-28 { width: 28px; height: 28px; }
.icon-32 { width: 32px; height: 32px; }
.icon-36 { width: 36px; height: 36px; }
.icon-40 { width: 40px; height: 40px; }
.form-message-success { color: #166534; }
html.dark .form-message-success { color: #86efac; }