RustBox/src/web/css/20-shell.css

.boot-screen {
  height: 100%;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 12px;
  background: var(--bg);
}

.boot-screen strong {
  font-size: 14px;
  letter-spacing: .2px;
}

.boot-icon {
  width: 32px;
  height: 32px;
  color: var(--accent);
}

.login-view {
  height: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--bg);
}

.login-panel {
  width: min(100%, 360px);
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius-panel);
  box-shadow: 0 18px 46px var(--shadow);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.brand-icon {
  width: 24px;
  height: 24px;
  color: var(--accent);
}

.login-brand div {
  display: grid;
  gap: 1px;
}

.login-brand strong {
  font-size: 16px;
}

.login-brand span {
  font-size: 11px;
  color: var(--muted);
}

.login-form {
  display: grid;
  gap: 13px;
  padding: 20px;
}

.login-panel footer {
  padding: 10px 20px 14px;
  color: var(--subtle);
  font-size: 10px;
  text-align: center;
}

.app-view {
  height: 100%;
  display: grid;
  grid-template-rows: var(--appbar-height, 44px) minmax(0, 1fr);
  background: var(--bg);
}

.appbar {
  display: grid;
  grid-template-columns: 220px minmax(260px, 620px) 1fr;
  align-items: center;
  gap: 16px;
  padding: 0 10px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: 3px;
}

.app-brand strong {
  font-size: 14px;
  letter-spacing: -.2px;
}

.search-field {
  height: 30px;
  display: grid;
  grid-template-columns: 22px 1fr auto auto;
  align-items: center;
  gap: 4px;
  padding: 0 7px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  background: var(--field);
}

.search-field:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.search-field svg {
  width: 15px;
  height: 15px;
  color: var(--muted);
}

.search-field input {
  min-height: 0;
  height: 28px;
  border: 0;
  padding: 0 3px;
  background: transparent;
  box-shadow: none;
}

.search-field input:focus {
  box-shadow: none;
}

.appbar-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 4px;
}

.indexing-indicator {
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  color: var(--accent);
}

.indexing-indicator svg {
  width: 16px;
  height: 16px;
  animation: rustbox-indexing-spin .9s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
  .indexing-indicator svg { animation: none; }
}

.account-summary {
  display: grid;
  min-width: 120px;
  margin-left: 6px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
  line-height: 1.25;
}

.account-summary span:first-child {
  max-width: 190px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 11px;
  font-weight: 650;
}

.account-summary span:last-child {
  color: var(--success);
  font-size: 9px;
}

.mail-shell {
  min-height: 0;
  display: grid;
  grid-template-columns: var(--folder-pane-width) minmax(300px, var(--message-pane-width)) minmax(420px, 1fr);
  overflow: hidden;
}

.folder-pane,
.message-pane,
.reader-pane {
  min-width: 0;
  min-height: 0;
}

.message-pane {
  overflow: hidden;
}

.reader-pane {
  container-name: reader-pane;
  container-type: inline-size;
}

.folder-pane {
  display: flex;
  flex-direction: column;
  padding: 10px;
  border-right: 1px solid var(--line);
  background: var(--sidebar);
}

.compose-button {
  justify-content: flex-start;
  margin-bottom: 12px;
}

.section-heading {
  min-height: 27px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.folder-pane-footer {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  color: var(--subtle);
  font: 9px var(--font-mono);
}

.mobile-only {
  display: none;
}

.folder-drawer-scrim {
  display: none;
}

.search-filter-button {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--muted);
}

.search-filter-button:hover,
.search-filter-button:focus-visible {
  background: var(--hover);
  color: var(--text);
  outline: none;
}

.search-filter-button svg {
  width: 14px;
  height: 14px;
}

.folder-pane,
.message-pane {
  position: relative;
}

.pane-resizer {
  position: absolute;
  z-index: 8;
  top: 0;
  right: -3px;
  bottom: 0;
  width: 7px;
  cursor: col-resize;
  touch-action: none;
  background: transparent;
}

.pane-resizer::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 3px;
  width: 1px;
  background: transparent;
}

.pane-resizer:hover::after,
.resizing-pane .pane-resizer::after {
  background: var(--accent);
}

.resizing-pane {
  cursor: col-resize !important;
  user-select: none !important;
}

.resizing-pane iframe {
  pointer-events: none;
}

@media (max-width: 820px) {
  .pane-resizer {
    display: none;
  }
}

.offline-banner {
  position: fixed;
  z-index: 80;
  top: calc(var(--appbar-height, 44px) + 6px);
  left: 50%;
  max-width: min(620px, calc(100vw - 24px));
  transform: translateX(-50%);
  padding: 7px 10px;
  border: 1px solid var(--warning);
  border-radius: var(--radius-control);
  background: var(--panel-3);
  color: var(--text);
  box-shadow: 0 8px 24px var(--shadow);
  font-size: 10px;
  text-align: center;
}

.network-offline .account-summary span:last-child {
  color: var(--warning);
}