/* App shell: header, rail, sidebar, main area, status bar. */
.shell {
  --sidebar-w: 280px;
  --rail-w: 76px;
  display: grid;
  grid-template-rows: var(--header-h) 1fr var(--statusbar-h);
  height: 100%;
  background: var(--bg);
}

body.resizing,
body.resizing * {
  cursor: col-resize !important;
  user-select: none !important;
}

body.resizing-y,
body.resizing-y * {
  cursor: row-resize !important;
  user-select: none !important;
}

/* Header ------------------------------------------------------------------ */
.appbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 8px 0 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-subtle);
  min-width: 0;
}

.appbar-menu {
  display: none;
}

.appbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1 1 0;
}

.appbar-brand img {
  border-radius: 5px;
}

.appbar-title {
  margin: 0;
  font-weight: 650;
  font-size: 14px;
  white-space: nowrap;
}

.alpha-tag {
  padding: 1px 6px;
  border: 1px solid var(--border-strong);
  border-radius: 9px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.appbar-center {
  flex: 0 1 460px;
  min-width: 0;
}

.appbar-search {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  height: 30px;
  padding: 0 6px 0 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-faint);
  text-align: left;
}

.appbar-search:hover {
  border-color: var(--border-strong);
}

.appbar-search-text {
  flex: 1;
}

.appbar-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 2px;
  flex: 1 1 0;
}

.appbar-import {
  margin-right: 6px;
}

.sync-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--text-muted);
}

.sync-state.error {
  color: var(--warning);
}

.sync-state.spin .icon {
  animation: spin 1s linear infinite;
}

.account {
  display: flex;
  align-items: center;
  margin-left: 4px;
}

.account-btn {
  display: flex;
  padding: 2px;
  border: 0;
  border-radius: 50%;
  background: none;
}

.account-btn:hover .avatar {
  outline: 2px solid var(--border-strong);
}

/* Body -------------------------------------------------------------------- */
.body {
  position: relative;
  display: flex;
  min-height: 0;
  overflow: hidden;
}

.rail {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 2px;
  flex: none;
  width: var(--rail-w);
  padding: 8px 6px;
  border-right: 1px solid var(--border);
  background: var(--bg-subtle);
}

.rail-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 8px 2px 6px;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  font-size: 10.5px;
  font-weight: 500;
  white-space: nowrap;
}

.rail-item:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.rail-item[aria-pressed='true'] {
  background: var(--bg-active);
  color: var(--text);
}

.sidebar {
  position: relative;
  display: none;
  flex: none;
  width: var(--sidebar-w);
  min-width: 0;
  flex-direction: column;
  background: var(--bg);
  border-right: 1px solid var(--border);
}

.shell.sidebar-open .sidebar {
  display: flex;
}

.resizer.vertical {
  position: absolute;
  top: 0;
  bottom: 0;
  right: -3px;
  width: 5px;
  z-index: 5;
  cursor: col-resize;
}


.resizer:hover,
.resizer:focus-visible {
  background: color-mix(in srgb, var(--accent) 40%, transparent);
}

.resizer.horizontal {
  flex: none;
  height: 5px;
  margin: -3px 0 -2px;
  z-index: 5;
  cursor: row-resize;
}

.scrim {
  display: none;
}

.main {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
  min-height: 0;
}

.main-row {
  position: relative;
  display: flex;
  flex: 1;
  min-height: 0;
  container: main-row / inline-size;
}

.tab-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
  min-height: 0;
}

.right-panel {
  display: flex;
  flex-direction: column;
  flex: none;
  width: 380px;
  min-width: 0;
  border-left: 1px solid var(--border);
  background: var(--bg);
}

.right-panel[hidden] {
  display: none;
}

/* In a narrower row the panel narrows first, so the editor keeps its controls in view. */
@media (max-width: 899px) {
  .right-panel {
    width: clamp(240px, 40%, 380px);
  }
}

@container main-row (max-width: 760px) {
  .right-panel {
    width: clamp(240px, 40%, 380px);
  }
}

/* Too narrow for both side by side: the panel lies over the editor instead of squeezing it away. */
@container main-row (max-width: 600px) {
  .right-panel {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 6;
    width: min(380px, 100%);
  }
}

/* On phones it is a full sheet: a sliver of editor beside it would only be in the way. */
@container main-row (max-width: 480px) {
  .right-panel {
    width: 100%;
    border-left: 0;
  }
}

/* Status bar -------------------------------------------------------------- */
.statusbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 6px;
  border-top: 1px solid var(--border);
  background: var(--bg-subtle);
  font-size: var(--fs-sm);
  color: var(--text-muted);
  min-width: 0;
}

.status-left,
.status-right {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: none;
}

.status-msg {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
}

.status-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 22px;
  padding: 0 7px;
  border: 0;
  border-radius: var(--radius-sm);
  background: none;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  text-decoration: none;
}

.status-btn.icon-only {
  width: 26px;
  padding: 0;
  justify-content: center;
}

.status-btn:hover,
.status-btn[aria-pressed='true'],
.status-btn[aria-expanded='true'] {
  background: var(--bg-hover);
  color: var(--text);
}

.status-badge {
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 8px;
  background: var(--danger);
  color: var(--text-inverse);
  font-size: 10px;
  font-weight: 700;
  line-height: 16px;
  text-align: center;
}

/* Touch: the status bar is taller (tokens.css) so its buttons can match the other small controls. */
@media (pointer: coarse) {
  .status-btn {
    justify-content: center;
    height: var(--control-sm-h);
    min-width: var(--control-sm-h);
  }
}

/* Tab bar ------------------------------------------------------------------ */
.tabbar {
  display: flex;
  align-items: stretch;
  flex: none;
  height: var(--tabbar-h);
  border-bottom: 1px solid var(--border);
  background: var(--bg-subtle);
  min-width: 0;
}

.doc-tabs {
  display: flex;
  align-items: stretch;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.doc-tabs::-webkit-scrollbar {
  display: none;
}

.doc-tab {
  position: relative;
  display: flex;
  align-items: center;
  flex: none;
  max-width: 220px;
  border-right: 1px solid var(--border);
}

.doc-tab.active {
  background: var(--bg);
}

.doc-tab.active::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: var(--accent);
}

.doc-tab.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: var(--bg);
}

.doc-tab.dragging {
  opacity: 0.5;
}

.doc-tab.drop-before {
  border-left: 2px solid var(--accent);
}

.doc-tab.drop-after {
  border-right: 2px solid var(--accent);
}

.doc-tab-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  height: 100%;
  padding: 0 4px 0 12px;
  border: 0;
  background: none;
  color: var(--text-muted);
  font-size: var(--fs-md);
}

.doc-tab.active .doc-tab-btn,
.doc-tab-btn:hover {
  color: var(--text);
}

.doc-tab-btn .tab-icon {
  color: var(--text-faint);
}

.doc-tab-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.doc-tab.preview .doc-tab-name {
  font-style: italic;
}

.doc-tab-close {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-right: 6px;
  border: 0;
  border-radius: var(--radius-sm);
  background: none;
  color: var(--text-faint);
  flex: none;
}

@media (pointer: coarse) {
  .doc-tab-close {
    width: 32px;
    height: 32px;
    margin-right: 3px;
  }
}

.doc-tab-close .icon {
  visibility: hidden;
}

.doc-tab:hover .doc-tab-close .icon,
.doc-tab.active .doc-tab-close .icon,
.doc-tab-close:focus-visible .icon {
  visibility: visible;
}

.doc-tab-close:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.doc-tab.dirty .doc-tab-close::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.doc-tab.dirty:hover .doc-tab-close::after,
.doc-tab.dirty .doc-tab-close:focus-visible::after {
  display: none;
}

.doc-tab.dirty .doc-tab-close .icon {
  visibility: hidden;
}

.doc-tab.dirty:hover .doc-tab-close .icon,
.doc-tab.dirty .doc-tab-close:focus-visible .icon {
  visibility: visible;
}

.tabbar-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 4px;
  flex: none;
}

.tabbar-spacer {
  flex: 1;
}

.env-picker {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 6px;
  border-left: 1px solid var(--border);
  flex: none;
}

.env-select {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 220px;
  height: 28px;
  padding: 0 8px 0 10px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: none;
  color: var(--text);
}

.env-select:hover,
.env-select[aria-expanded='true'] {
  background: var(--bg-hover);
}

.env-select .env-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.env-select.none .env-name {
  color: var(--text-muted);
}

.env-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}

/* The popover box takes the width, so its padding stays inside the screen. */
.popover.env-quick-pop {
  width: min(420px, calc(100vw - 16px));
}

.env-quick h3 {
  margin: 0 0 6px;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.env-quick table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
  margin-bottom: 12px;
  table-layout: fixed;
}

.env-quick td {
  padding: 4px 6px;
  border-top: 1px solid var(--border);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.env-quick td:first-child {
  width: 40%;
  color: var(--text-muted);
}

.env-quick .muted {
  color: var(--text-faint);
  font-size: var(--fs-sm);
  margin: 0 0 12px;
}

/* Launch screen ------------------------------------------------------------ */
.launch {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex: 1;
  padding: 32px 16px;
  text-align: center;
  overflow: auto;
}

.launch-title {
  margin: 0;
  font-size: var(--fs-xl);
  font-weight: 650;
}

.launch-sub {
  margin: 0;
  max-width: 460px;
  color: var(--text-muted);
}

.launch-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(150px, 200px));
  gap: 10px;
  margin-top: 12px;
}

.launch-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--text);
  text-align: left;
  position: relative;
}

.launch-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-subtle);
}

.launch-card .icon {
  color: var(--accent-text);
}

.launch-label {
  font-weight: 600;
}

.launch-card kbd {
  position: absolute;
  top: 12px;
  right: 12px;
}

.launch-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin: 16px 0 0;
  max-width: 520px;
  color: var(--text-muted);
  font-size: var(--fs-sm);
}

/* Compact layouts ----------------------------------------------------------- */
@media (max-width: 1100px) {
  .appbar-search-text,
  .appbar-search kbd {
    display: none;
  }
  .appbar-center {
    flex: none;
  }
  .appbar-search {
    width: 32px;
    padding: 0;
    justify-content: center;
    border-color: transparent;
    background: none;
  }
}

@media (max-width: 899px) {
  .appbar-menu {
    display: inline-flex;
  }
  .rail {
    display: none;
  }
  .sidebar {
    position: absolute;
    z-index: 50;
    top: 0;
    bottom: 0;
    left: 0;
    width: min(340px, 88vw);
  }
  /* Over the header and status bar too: everything but the drawer is out of reach while it is open. */
  .shell {
    position: relative;
  }
  .shell.sidebar-open .scrim {
    display: block;
    position: absolute;
    inset: 0;
    z-index: 40;
    background: var(--scrim);
  }
  .sidebar .resizer.vertical {
    display: none;
  }
}

@media (max-width: 600px) {
  .appbar {
    padding: 0 4px;
    gap: 4px;
  }
  .appbar-import span,
  .alpha-tag,
  .status-label,
  .status-msg {
    display: none;
  }
  .appbar-import {
    width: 32px;
    padding: 0;
    margin: 0;
  }
  .env-select {
    max-width: 120px;
  }
  /* A tab gives way to the strip, keeping its close button and unsaved dot in view; several scroll. */
  .doc-tab {
    flex: 0 1 auto;
    min-width: min(120px, 100%);
    max-width: 100%;
  }
  .launch-grid {
    grid-template-columns: 1fr;
    width: 100%;
    max-width: 320px;
  }
}

/* Too narrow for the name next to the actions: the logo stands for it, and the name stays for screen readers. */
@media (max-width: 439px) {
  .appbar-title {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }
}

@media (max-width: 379px) {
  .signin-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }
}