/* ── PRMTRC IDE ─────────────────────────────────────────── */
:root {
  --bg-deep: #0c1118;
  --bg-base: #111821;
  --bg-raised: #161e29;
  --bg-hover: #1c2735;
  --bg-active: #243041;
  --border: #243041;
  --border-soft: rgba(148, 174, 204, 0.12);
  --text: #e8eef6;
  --text-dim: #8fa3b8;
  --text-mute: #5c7086;
  --accent: #3dffa8;
  --accent-dim: rgba(61, 255, 168, 0.14);
  --accent-hot: #ffc857;
  --danger: #ff6b6b;
  --ai: #6ec8ff;
  --font-ui: "Sora", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 6px;
  --titlebar-h: 40px;
  --statusbar-h: 26px;
  --activity-w: 48px;
  --sidebar-w: 260px;
  --ai-w: 320px;
  --bottom-h: 180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html,
body {
  height: 100%;
  overflow: hidden;
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 13px;
  -webkit-font-smoothing: antialiased;
}

/* Dark, thin scrollbars (Firefox + Chromium) */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(143, 163, 184, 0.35) transparent;
}

*::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

*::-webkit-scrollbar-thumb {
  background: rgba(143, 163, 184, 0.28);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

*::-webkit-scrollbar-thumb:hover {
  background: rgba(143, 163, 184, 0.48);
  border: 2px solid transparent;
  background-clip: padding-box;
}

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

button,
input,
textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
}

button {
  cursor: pointer;
}

kbd {
  display: inline-block;
  padding: 0.1em 0.45em;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-raised);
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--text-dim);
}

/* ── App shell ──────────────────────────────────────────── */
.app {
  display: grid;
  grid-template-rows: var(--titlebar-h) 1fr var(--statusbar-h);
  height: 100%;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(61, 255, 168, 0.06), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(110, 200, 255, 0.05), transparent 50%),
    linear-gradient(180deg, #0e141d 0%, var(--bg-deep) 40%, #0a0f15 100%);
  animation: app-in 0.55s var(--ease) both;
}

@keyframes app-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ── Title bar ──────────────────────────────────────────── */
.titlebar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 12px 0 14px;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(12, 17, 24, 0.72);
  backdrop-filter: blur(12px);
  z-index: 20;
}

.titlebar__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 140px;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: url("/static/img/logo.png") center / contain no-repeat;
  flex-shrink: 0;
}

.brand-name {
  font-weight: 700;
  font-size: 12.5px;
  letter-spacing: 0.01em;
  text-transform: none;
  white-space: nowrap;
}

.brand-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--bg-deep);
  background: var(--accent);
  padding: 2px 6px;
  border-radius: 3px;
}

.titlebar__menu {
  display: flex;
  gap: 2px;
  flex: 1;
}

.menu-btn {
  padding: 5px 10px;
  border-radius: 4px;
  color: var(--text-dim);
  transition: background 0.15s, color 0.15s;
}

.menu-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.titlebar__actions {
  display: flex;
  gap: 4px;
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 30px;
  height: 28px;
  border-radius: 5px;
  color: var(--text-dim);
  transition: background 0.15s, color 0.15s, transform 0.15s;
}

.icon-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.icon-btn--sm {
  width: 24px;
  height: 24px;
}

.icon-btn.is-active {
  background: var(--accent-dim);
  color: var(--accent);
}

/* ── Workspace ──────────────────────────────────────────── */
.workspace {
  display: grid;
  grid-template-columns: var(--activity-w) var(--sidebar-w) 1fr var(--ai-w);
  min-height: 0;
  transition: grid-template-columns 0.28s var(--ease);
}

.workspace.sidebar-collapsed {
  grid-template-columns: var(--activity-w) 0px 1fr var(--ai-w);
}

.workspace.ai-collapsed {
  grid-template-columns: var(--activity-w) var(--sidebar-w) 1fr 0px;
}

.workspace.sidebar-collapsed.ai-collapsed {
  grid-template-columns: var(--activity-w) 0px 1fr 0px;
}

/* Activity bar */
.activity {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 0;
  border-right: 1px solid var(--border-soft);
  background: rgba(14, 20, 29, 0.9);
  z-index: 10;
}

.activity__btn {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  color: var(--text-mute);
  position: relative;
  transition: color 0.15s, background 0.15s;
}

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

.activity__btn.is-active {
  color: var(--accent);
  background: var(--accent-dim);
}

.activity__btn.is-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 0 2px 2px 0;
  background: var(--accent);
}

.activity__spacer {
  flex: 1;
}

/* Sidebar */
.sidebar {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border-right: 1px solid var(--border-soft);
  background: rgba(17, 24, 33, 0.85);
  transition: opacity 0.2s, transform 0.28s var(--ease);
}

.workspace.sidebar-collapsed .sidebar {
  opacity: 0;
  transform: translateX(-8px);
  pointer-events: none;
  border-right: none;
}

.sidebar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 12px 8px;
}

.sidebar__title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.sidebar__tools {
  display: flex;
  gap: 2px;
}

.sidebar__body {
  flex: 1;
  overflow: auto;
  padding: 4px 6px 12px;
}

/* File tree */
.tree__folder,
.tree__file {
  display: flex;
  align-items: center;
  gap: 7px;
  width: 100%;
  padding: 5px 8px;
  border-radius: 5px;
  text-align: left;
  color: var(--text-dim);
  transition: background 0.12s, color 0.12s;
}

.tree__folder:hover,
.tree__file:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.tree__file.is-active {
  background: var(--accent-dim);
  color: var(--accent);
}

.tree__icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  opacity: 0.85;
}

.tree__name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12.5px;
}

.tree__children {
  padding-left: 14px;
  margin-left: 12px;
  border-left: 1px solid var(--border-soft);
}

.tree__group {
  margin-bottom: 2px;
}

.tree__folder .chevron {
  width: 10px;
  height: 10px;
  transition: transform 0.15s;
  opacity: 0.5;
}

.tree__group.is-open > .tree__folder .chevron {
  transform: rotate(90deg);
}

.tree__group:not(.is-open) > .tree__children {
  display: none;
}

/* Main */
.main {
  display: grid;
  grid-template-rows: 36px 1fr auto;
  min-width: 0;
  min-height: 0;
  background: var(--bg-base);
}

.editor-row {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}

.editor-row.has-preview {
  grid-template-columns: 1fr 1fr;
}

.editor-row > .editor-shell {
  min-width: 0;
  min-height: 0;
}

.preview {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border-left: 1px solid var(--border-soft);
  background: #0a1018;
}

.preview[hidden] {
  display: none !important;
}

.preview.is-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 9000;
  width: 100vw;
  height: 100vh;
  border-left: none;
  background: #0a1018;
}

.preview:fullscreen,
.preview:-webkit-full-screen {
  width: 100%;
  height: 100%;
  border: none;
  background: #0a1018;
}

.preview.is-fullscreen .preview__bar,
.preview:fullscreen .preview__bar,
.preview:-webkit-full-screen .preview__bar {
  background: rgba(8, 12, 18, 0.92);
}

.preview__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  height: 32px;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(12, 17, 24, 0.7);
}

.preview__title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.preview__actions {
  display: flex;
  gap: 2px;
}

.preview-brief {
  flex-shrink: 0;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(110, 200, 255, 0.04);
  animation: msg-in 0.3s var(--ease) both;
}

.preview-brief[hidden] {
  display: none !important;
}

.preview-brief__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px 0;
}

.preview-brief__label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ai);
}

.preview-brief__toggle {
  color: var(--text-mute);
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 4px;
  cursor: pointer;
}

.preview-brief__toggle:hover {
  color: var(--text-dim);
  background: rgba(148, 174, 204, 0.08);
}

.preview-brief__body {
  padding: 6px 12px 10px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--text-dim);
  max-height: 140px;
  overflow: auto;
}

.preview-brief.is-collapsed .preview-brief__body {
  display: none;
}

.preview-brief__body p,
.preview-brief__body ul {
  margin: 0.25em 0;
}

.preview-brief__body ul {
  padding-left: 1.15em;
}

.preview-brief__body strong {
  color: var(--text);
  font-weight: 600;
}

.preview-brief__loading,
.preview-brief__err {
  font-size: 12px;
  color: var(--text-mute);
}

.preview-brief__err {
  color: #ff6b6b;
}

.preview__frame {
  flex: 1;
  width: 100%;
  border: none;
  background: #fff;
}

.preview__md {
  flex: 1;
  overflow: auto;
  padding: 20px 24px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-base);
}

.preview__md[hidden] {
  display: none !important;
}

.preview__md h1,
.preview__md h2,
.preview__md h3 {
  margin: 1em 0 0.4em;
}

.preview__md p,
.preview__md ul,
.preview__md pre {
  margin-bottom: 0.8em;
}

.preview__md code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-hover);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.preview__md pre {
  background: var(--bg-raised);
  padding: 12px;
  border-radius: 8px;
  overflow: auto;
}

.preview__md pre code {
  background: none;
  padding: 0;
}

.preview__md a {
  color: var(--ai);
}

.preview-py {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  background:
    radial-gradient(600px 200px at 10% 0%, rgba(61, 255, 168, 0.06), transparent 50%),
    linear-gradient(180deg, #0d1520 0%, #0a1018 40%);
  position: relative;
}

.preview-py::before {
  content: "";
  pointer-events: none;
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.04) 2px,
    rgba(0, 0, 0, 0.04) 4px
  );
  opacity: 0.5;
  z-index: 0;
}

.preview-py > * {
  position: relative;
  z-index: 1;
}

.preview-py[hidden] {
  display: none !important;
}

.preview-py__chrome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px 0;
}

.preview-py__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(61, 255, 168, 0.12);
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.preview-py__badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: ai-glow 1.8s ease-in-out infinite;
}

.preview-py__badge.is-idle::before {
  background: var(--text-mute);
  box-shadow: none;
  animation: none;
}

.preview-py__badge.is-err {
  color: #ff6b6b;
  background: rgba(255, 107, 107, 0.12);
}

.preview-py__badge.is-err::before {
  background: #ff6b6b;
  box-shadow: 0 0 8px #ff6b6b;
}

.preview-py__status {
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 0.02em;
}

.preview-py__frame {
  flex: 1 1 55%;
  min-height: 180px;
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: #fff;
}

.preview-py__frame[hidden] {
  display: none !important;
}

.preview-py.has-frame .preview-py__out {
  flex: 0 1 40%;
  max-height: 42%;
}

.preview-py__out {
  flex: 1;
  overflow: auto;
  padding: 10px 14px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
  color: #d7e4f0;
}

.preview-py__out .py-err {
  color: #ff7b7b;
}

.preview-py__out .py-meta {
  color: #5c7086;
}

.preview-py__out .py-in {
  color: #6ec8ff;
}

.preview-py__out .py-ok {
  color: #3dffa8;
}

.preview-py__form {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 6px;
  align-items: center;
  padding: 10px 12px 12px;
  border-top: 1px solid rgba(61, 255, 168, 0.12);
  background: rgba(8, 12, 18, 0.92);
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.25);
}

.preview-py__prompt {
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  padding: 0 2px;
}

.preview-py__form input {
  padding: 9px 11px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0c1118;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.preview-py__form input:focus {
  border-color: rgba(61, 255, 168, 0.5);
  box-shadow: 0 0 0 3px rgba(61, 255, 168, 0.1);
}

.preview-py.is-live .preview-py__form input {
  border-color: rgba(61, 255, 168, 0.28);
}

.preview-py__form button {
  min-width: 36px;
  border-radius: 6px;
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 700;
}

.preview-py__form button:hover {
  background: rgba(61, 255, 168, 0.28);
}

.preview-py__kill {
  color: var(--danger) !important;
  background: rgba(255, 107, 107, 0.12) !important;
}

/* Context menu */
.ctx-menu {
  position: fixed;
  z-index: 100;
  min-width: 180px;
  padding: 6px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ctx-menu[hidden] {
  display: none !important;
}

.ctx-menu button {
  text-align: left;
  padding: 7px 10px;
  border-radius: 5px;
  color: var(--text-dim);
}

.ctx-menu button:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.ctx-menu button.danger {
  color: var(--danger);
}

.ctx-menu button.danger:hover {
  background: rgba(255, 107, 107, 0.12);
}

.ctx-menu hr {
  border: none;
  border-top: 1px solid var(--border-soft);
  margin: 4px 0;
}

.ctx-menu button[hidden] {
  display: none !important;
}

.tree-rename {
  width: 100%;
  min-width: 0;
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid var(--accent);
  background: var(--bg-base);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12.5px;
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.tree__folder.is-renaming,
.tree__file.is-renaming {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 4px 8px;
  border-radius: 4px;
  background: var(--bg-hover);
}

.settings-note {
  color: var(--text-dim);
  line-height: 1.55;
}

.settings-note code {
  font-family: var(--font-mono);
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.1em 0.4em;
  border-radius: 4px;
}

.modal__card--settings {
  width: min(440px, 94vw);
}

.settings-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.settings-group {
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 12px;
  margin: 0;
}

.settings-group legend {
  padding: 0 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.settings-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.settings-swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: var(--sw);
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.25);
}

.settings-swatch.is-on {
  border-color: #e8eef6;
  box-shadow: 0 0 0 2px rgba(232, 238, 246, 0.25);
}

.settings-select {
  width: 100%;
  margin-top: 6px;
  padding: 9px 11px;
  border-radius: 8px;
  border: 1px solid var(--border-soft);
  background: var(--bg-raised);
  color: var(--text);
  font: inherit;
  font-size: 13px;
}

.settings-checks {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 4px;
}

.settings-check {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-dim);
  cursor: pointer;
}

.settings-check input {
  accent-color: var(--accent);
  width: 15px;
  height: 15px;
}

html.reduce-motion *,
html.reduce-motion *::before,
html.reduce-motion *::after {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
}

.ai-msg--user {
  align-self: flex-end;
  background: var(--bg-active);
  border: 1px solid var(--border-soft);
  max-width: 95%;
}

.ai-msg--bot pre {
  position: relative;
  margin-top: 8px;
  padding: 10px;
  padding-top: 28px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.25);
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 12px;
}

.ai-msg--bot code {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

.ai-written {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border-soft);
}

.ai-written__label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.ai-written__file {
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
}

.ai-written__file:hover {
  background: rgba(61, 255, 168, 0.28);
}

.ai-code-actions {
  position: absolute;
  top: 4px;
  right: 4px;
}

.ai-code-actions button {
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--bg-active);
  color: var(--text-dim);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ai-code-actions button:hover {
  background: var(--accent-dim);
  color: var(--accent);
}

.term-err {
  color: var(--danger);
}

.term-ok {
  color: var(--accent);
}

.term-out {
  white-space: pre-wrap;
  word-break: break-word;
}

/* Tabs */
.tabs {
  display: flex;
  align-items: stretch;
  overflow-x: auto;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(12, 17, 24, 0.55);
}

.tabs::-webkit-scrollbar {
  height: 0;
}

.tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  border-right: 1px solid var(--border-soft);
  color: var(--text-mute);
  white-space: nowrap;
  position: relative;
  transition: color 0.15s, background 0.15s;
}

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

.tab.is-active {
  color: var(--text);
  background: var(--bg-base);
}

.tab.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--accent);
}

.tab__close {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 3px;
  opacity: 0;
  color: var(--text-mute);
  transition: opacity 0.12s, background 0.12s, color 0.12s;
}

.tab:hover .tab__close,
.tab.is-active .tab__close {
  opacity: 1;
}

.tab__close:hover {
  background: var(--bg-active);
  color: var(--text);
}

.tab__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-hot);
  opacity: 0;
}

.tab.is-dirty .tab__dot {
  opacity: 1;
}

.tab.is-dirty .tab__close {
  display: none;
}

.tab.is-dirty:hover .tab__dot {
  display: none;
}

.tab.is-dirty:hover .tab__close {
  display: grid;
  opacity: 1;
}

/* Editor */
.editor-shell {
  position: relative;
  min-height: 0;
  overflow: hidden;
}

.editor {
  width: 100%;
  height: 100%;
}

.editor-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  background:
    linear-gradient(180deg, transparent, rgba(12, 17, 24, 0.35)),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 31px,
      rgba(148, 174, 204, 0.03) 31px,
      rgba(148, 174, 204, 0.03) 32px
    );
  opacity: 0;
  transition: opacity 0.25s;
  z-index: 2;
}

.editor-empty.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.editor-empty__inner {
  text-align: center;
  animation: empty-in 0.5s var(--ease) both;
}

@keyframes empty-in {
  from {
    opacity: 0;
    transform: scale(0.97) translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.editor-empty__brand {
  display: block;
  font-size: clamp(42px, 8vw, 72px);
  font-weight: 700;
  letter-spacing: 0.22em;
  color: transparent;
  background: linear-gradient(120deg, var(--text) 20%, var(--accent) 55%, var(--ai) 90%);
  background-clip: text;
  -webkit-background-clip: text;
  margin-bottom: 14px;
}

.editor-empty__hint {
  color: var(--text-mute);
  font-size: 13px;
}

/* Bottom panel */
.bottom {
  display: grid;
  grid-template-rows: 32px 1fr;
  height: var(--bottom-h);
  border-top: 1px solid var(--border-soft);
  background: rgba(12, 17, 24, 0.95);
  transition: height 0.28s var(--ease), opacity 0.2s;
  overflow: hidden;
}

.bottom.is-collapsed {
  height: 0;
  border-top: none;
  opacity: 0;
}

.bottom__tabs {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 8px;
  border-bottom: 1px solid var(--border-soft);
}

.bottom__tab {
  padding: 6px 10px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-mute);
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}

.bottom__tab:hover {
  color: var(--text-dim);
}

.bottom__content[hidden] {
  display: none !important;
}

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

.bottom__spacer {
  flex: 1;
}

.bottom__content {
  padding: 10px 14px;
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.55;
}

.term-panel {
  display: flex;
  flex-direction: column;
  padding: 0 !important;
  overflow: hidden !important;
  min-height: 0;
}

.term-scroll {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 10px 14px 6px;
}

.term-input-row {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px 10px;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.22);
}

.term-input-row[hidden] {
  display: none !important;
}

.term-dollar {
  color: var(--text-mute);
  flex-shrink: 0;
}

#term-input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--text);
  font: inherit;
  padding: 0;
}

#term-input::placeholder {
  color: var(--text-mute);
  opacity: 0.55;
}

.term-line {
  margin-bottom: 2px;
  white-space: pre-wrap;
  word-break: break-word;
}

.term-cmd {
  color: var(--text);
}

.term-out {
  color: #c8d4e0;
}

.term-err {
  color: #ff8b98;
}

.term-ok {
  color: var(--accent);
}

.term-prompt {
  color: var(--accent);
  font-weight: 600;
  flex-shrink: 0;
}

.term-path {
  color: var(--ai);
  flex-shrink: 0;
}

.term-muted {
  color: var(--text-mute);
}

.term-cursor {
  display: inline-block;
  width: 7px;
  height: 14px;
  margin-left: 2px;
  vertical-align: -2px;
  background: var(--accent);
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* AI panel */
.ai-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border-left: 1px solid var(--border-soft);
  background: rgba(14, 20, 29, 0.92);
  transition: opacity 0.2s, transform 0.28s var(--ease);
}

.workspace.ai-collapsed .ai-panel {
  opacity: 0;
  transform: translateX(8px);
  pointer-events: none;
  border-left: none;
}

.ai-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 12px 10px;
  border-bottom: 1px solid var(--border-soft);
}

.ai-panel__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  min-width: 0;
  flex-shrink: 0;
}

.ai-panel__actions {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
  flex: 1;
  justify-content: flex-end;
}

.ai-chat-select {
  appearance: none;
  -webkit-appearance: none;
  max-width: 140px;
  min-width: 0;
  flex: 1;
  padding: 4px 20px 4px 8px;
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  background:
    var(--bg-raised)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%235c7086' stroke-width='1.3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")
    no-repeat right 6px center;
  color: var(--text-dim);
  font: inherit;
  font-size: 11px;
  line-height: 1.2;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ai-chat-select:hover,
.ai-chat-select:focus {
  border-color: rgba(110, 200, 255, 0.35);
  color: var(--text);
  outline: none;
}

.ai-compose-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 48px;
  min-height: 28px;
  flex-wrap: wrap;
}

.ai-savings {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-mute, #5c7086);
  cursor: pointer;
  user-select: none;
  letter-spacing: 0.02em;
}

.ai-savings input {
  width: 13px;
  height: 13px;
  accent-color: var(--accent, #3dffa8);
  cursor: pointer;
  margin: 0;
}

.ai-savings:hover {
  color: var(--text-dim, #8fa3b8);
}

.ai-savings:has(input:checked) {
  color: var(--accent, #3dffa8);
}

.ai-model-select,
.ai-model-select--quiet {
  appearance: none;
  -webkit-appearance: none;
  max-width: 100%;
  width: auto;
  min-width: 0;
  padding: 2px 18px 2px 6px;
  border: none;
  border-radius: 6px;
  background:
    transparent
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%235c7086' stroke-width='1.3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")
    no-repeat right 4px center;
  color: var(--text-mute, #5c7086);
  font: inherit;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.01em;
  outline: none;
  cursor: pointer;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.ai-model-select:hover,
.ai-model-select--quiet:hover {
  color: var(--text-dim, #8fa3b8);
  background-color: rgba(148, 174, 204, 0.06);
}

.ai-model-select:focus,
.ai-model-select--quiet:focus {
  color: var(--text-dim, #8fa3b8);
  background-color: rgba(148, 174, 204, 0.08);
}

.ai-compose-meta .ai-model-select {
  margin-left: 0;
}

.ai-compose-meta--tools {
  padding-left: 48px;
  margin-top: 2px;
}

/* —— Custom model picker —— */
.model-picker {
  position: relative;
  z-index: 40;
  margin-left: auto;
}

.model-picker__native {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  border: 0 !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.model-picker__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: min(240px, 62vw);
  padding: 5px 8px 5px 7px;
  border: 1px solid rgba(148, 174, 204, 0.16);
  border-radius: 8px;
  background: rgba(12, 17, 24, 0.55);
  color: var(--text-dim, #8fa3b8);
  font: inherit;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.model-picker__btn:hover {
  border-color: rgba(148, 174, 204, 0.32);
  background: rgba(22, 30, 41, 0.9);
  color: var(--text, #e8eef6);
}

.model-picker.is-open .model-picker__btn {
  border-color: rgba(61, 255, 168, 0.35);
  color: var(--text, #e8eef6);
}

.model-picker__mark {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  flex-shrink: 0;
  background: var(--accent, #3dffa8);
  box-shadow: 0 0 0 3px rgba(61, 255, 168, 0.12);
}

.model-picker__btn[data-tone="sky"] .model-picker__mark {
  background: #6ec8ff;
  box-shadow: 0 0 0 3px rgba(110, 200, 255, 0.14);
}
.model-picker__btn[data-tone="amber"] .model-picker__mark {
  background: #ffb86b;
  box-shadow: 0 0 0 3px rgba(255, 184, 107, 0.14);
}
.model-picker__btn[data-tone="mint"] .model-picker__mark {
  background: #3dffa8;
  box-shadow: 0 0 0 3px rgba(61, 255, 168, 0.14);
}
.model-picker__btn[data-tone="steel"] .model-picker__mark {
  background: #9db4c8;
  box-shadow: 0 0 0 3px rgba(157, 180, 200, 0.14);
}
.model-picker__btn[data-tone="violet"] .model-picker__mark {
  background: #a78bfa;
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.14);
}
.model-picker__btn[data-tone="rose"] .model-picker__mark {
  background: #ff8e9a;
  box-shadow: 0 0 0 3px rgba(255, 142, 154, 0.14);
}

.model-picker__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  min-width: 0;
  text-align: left;
}

.model-picker__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 160px;
  color: inherit;
}

.model-picker__vendor {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-mute, #5c7086);
}

.model-picker__chev {
  display: grid;
  place-items: center;
  color: var(--text-mute, #5c7086);
  transition: transform 0.18s ease;
  flex-shrink: 0;
}

.model-picker.is-open .model-picker__chev {
  transform: rotate(180deg);
  color: var(--accent, #3dffa8);
}

.model-picker__menu {
  position: absolute;
  right: 0;
  bottom: calc(100% + 8px);
  width: min(280px, 86vw);
  padding: 6px;
  border: 1px solid rgba(148, 174, 204, 0.18);
  border-radius: 12px;
  background:
    linear-gradient(180deg, rgba(22, 30, 41, 0.98), rgba(12, 17, 24, 0.98));
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s;
}

.model-picker.is-open .model-picker__menu {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
}

.model-picker__head {
  padding: 6px 10px 8px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute, #5c7086);
}

.model-picker__opt {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text, #e8eef6);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.14s ease, border-color 0.14s ease;
}

.model-picker__opt:hover {
  background: rgba(148, 174, 204, 0.08);
}

.model-picker__opt.is-locked {
  opacity: 0.78;
  cursor: not-allowed;
}

.model-picker__opt.is-locked:hover {
  background: rgba(255, 209, 102, 0.07);
}

.model-picker__opt.is-locked .model-picker__opt-name {
  color: var(--text-mute, #8fa3b8);
}

.model-picker__lock {
  flex-shrink: 0;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: #ffd166;
  border: 1px solid rgba(255, 209, 102, 0.45);
  border-radius: 999px;
  padding: 3px 8px;
  line-height: 1.2;
}

.model-picker__opt.is-shake {
  animation: model-lock-shake 0.4s ease;
}

@keyframes model-lock-shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-3px);
  }
  75% {
    transform: translateX(3px);
  }
}

.model-picker__opt.is-on {
  background: rgba(61, 255, 168, 0.08);
  border-color: rgba(61, 255, 168, 0.22);
}

.model-picker__opt-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.model-picker__opt-name {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.model-picker__opt-note {
  font-size: 10px;
  color: var(--text-mute, #5c7086);
}

.model-picker__opt-vendor {
  flex-shrink: 0;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-mute, #5c7086);
  padding: 3px 6px;
  border-radius: 4px;
  border: 1px solid rgba(148, 174, 204, 0.14);
}

.model-picker__opt[data-tone="sky"].is-on .model-picker__opt-vendor {
  color: #6ec8ff;
  border-color: rgba(110, 200, 255, 0.28);
}
.model-picker__opt[data-tone="amber"].is-on .model-picker__opt-vendor {
  color: #ffb86b;
  border-color: rgba(255, 184, 107, 0.28);
}
.model-picker__opt[data-tone="mint"].is-on .model-picker__opt-vendor {
  color: #3dffa8;
  border-color: rgba(61, 255, 168, 0.28);
}
.model-picker__opt[data-tone="steel"].is-on .model-picker__opt-vendor {
  color: #9db4c8;
  border-color: rgba(157, 180, 200, 0.28);
}
.model-picker__opt[data-tone="violet"].is-on .model-picker__opt-vendor {
  color: #a78bfa;
  border-color: rgba(167, 139, 250, 0.28);
}
.model-picker__opt[data-tone="rose"].is-on .model-picker__opt-vendor {
  color: #ff8e9a;
  border-color: rgba(255, 142, 154, 0.28);
}

@media (max-width: 640px) {
  .model-picker {
    margin-left: 0;
    width: 100%;
  }

  .model-picker__btn {
    max-width: none;
    width: 100%;
  }

  .model-picker__label {
    max-width: none;
  }

  .model-picker__menu {
    left: 0;
    right: 0;
    width: auto;
  }
}

.ai-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ai);
  box-shadow: 0 0 10px rgba(110, 200, 255, 0.55);
  animation: ai-glow 2.4s ease-in-out infinite;
}

@keyframes ai-glow {
  0%,
  100% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
}

.ai-panel__messages {
  flex: 1;
  overflow: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ai-msg {
  padding: 12px 14px;
  border-radius: 10px;
  line-height: 1.5;
  animation: msg-in 0.35s var(--ease) both;
}

@keyframes msg-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.ai-msg--bot {
  background: linear-gradient(160deg, rgba(110, 200, 255, 0.1), rgba(61, 255, 168, 0.05));
  border: 1px solid rgba(110, 200, 255, 0.18);
}

.ai-msg p + p {
  margin-top: 8px;
}

.ai-msg__meta {
  font-size: 11px;
  color: var(--text-mute);
}

.ai-panel__compose {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--border-soft);
}

.ai-compose-main {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: end;
}

.ai-panel__compose textarea {
  resize: none;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-base);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.ai-panel__compose textarea:focus {
  border-color: rgba(110, 200, 255, 0.45);
  box-shadow: 0 0 0 3px rgba(110, 200, 255, 0.1);
}

.ai-panel__compose textarea:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.ai-attach {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  color: var(--text-dim);
  border: 1px solid var(--border-soft);
  transition: background 0.15s, color 0.15s;
}

.ai-attach:hover {
  background: var(--bg-hover);
  color: var(--ai);
}

.ai-attach-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ai-attach-row[hidden] {
  display: none !important;
}

.ai-thumb {
  position: relative;
  width: 64px;
  height: 64px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-base);
}

.ai-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ai-thumb__x {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  font-size: 11px;
  line-height: 18px;
  text-align: center;
}

.ai-thumb__x:hover {
  background: var(--danger);
}

.ai-msg__images {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.ai-msg__images img {
  max-width: 160px;
  max-height: 120px;
  border-radius: 8px;
  border: 1px solid var(--border-soft);
  object-fit: cover;
}

.ai-send {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--accent-dim);
  color: var(--accent);
  transition: background 0.15s, transform 0.15s;
}

.ai-send:not(:disabled):hover {
  background: rgba(61, 255, 168, 0.25);
  transform: translateX(1px);
}

.ai-send:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.ai-panel--drop {
  outline: 2px dashed rgba(110, 200, 255, 0.55);
  outline-offset: -4px;
}

/* Status bar */
.statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  font-size: 11px;
  background: #0a1018;
  border-top: 1px solid var(--border-soft);
  color: var(--text-mute);
  z-index: 20;
}

.statusbar__left,
.statusbar__right {
  display: flex;
  align-items: center;
  gap: 2px;
}

.status-item {
  padding: 3px 8px;
  border-radius: 3px;
}

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

.status-item--accent {
  color: var(--accent);
}

.status-item--live {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
}

.pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(61, 255, 168, 0.45);
  animation: pulse 2s ease-out infinite;
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 8px transparent;
  }
  100% {
    box-shadow: 0 0 0 0 transparent;
  }
}

/* Modal */
.modal {
  margin: auto;
  border: none;
  padding: 0;
  background: transparent;
  max-width: calc(100% - 32px);
}

.modal::backdrop {
  background: rgba(6, 10, 14, 0.72);
  backdrop-filter: blur(4px);
}

.modal__card {
  width: min(420px, 100%);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  animation: modal-in 0.28s var(--ease) both;
}

.modal__card--inspect {
  width: min(520px, 100%);
}

.inspect-path {
  margin-top: 4px;
  font-size: 11px;
  font-family: var(--font-mono, ui-monospace, monospace);
  color: var(--text-mute);
  word-break: break-all;
}

.inspect-body {
  max-height: min(52vh, 420px);
  overflow: auto;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text-dim);
}

.inspect-body h2,
.inspect-body h3 {
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  margin: 0.9em 0 0.35em;
}

.inspect-body h2:first-child,
.inspect-body h3:first-child {
  margin-top: 0;
}

.inspect-body p,
.inspect-body ul,
.inspect-body ol {
  margin: 0.4em 0;
}

.inspect-body ul,
.inspect-body ol {
  padding-left: 1.2em;
}

.inspect-loading {
  color: var(--text-mute);
  font-size: 13px;
}

.inspect-error {
  color: #ff6b6b;
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--border-soft);
}

.modal__header h2 {
  font-size: 15px;
  font-weight: 600;
}

.modal__body {
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field__label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
}

.field input {
  padding: 10px 12px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--bg-base);
  outline: none;
}

.field input:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.field__hint {
  font-size: 11px;
  color: var(--text-mute);
}

.modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 18px 16px;
  border-top: 1px solid var(--border-soft);
}

.btn {
  padding: 8px 14px;
  border-radius: 7px;
  font-weight: 500;
  font-size: 12.5px;
  transition: background 0.15s, color 0.15s, opacity 0.15s;
}

.btn--ghost {
  color: var(--text-dim);
}

.btn--ghost:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.btn--primary {
  background: var(--accent);
  color: var(--bg-deep);
}

.btn--primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Responsive — tablet & phone */
.mobile-only {
  display: none !important;
}

.workspace-scrim {
  display: none;
  border: 0;
  padding: 0;
  margin: 0;
  background: rgba(4, 8, 14, 0.55);
  backdrop-filter: blur(2px);
  z-index: 22;
  cursor: pointer;
}

.workspace.is-drawer-open .workspace-scrim {
  display: block;
  position: absolute;
  inset: 0;
}

@media (max-width: 900px) {
  .workspace {
    position: relative;
    grid-template-columns: var(--activity-w) 0px 1fr 0px;
  }

  .workspace.sidebar-collapsed,
  .workspace.ai-collapsed,
  .workspace.sidebar-collapsed.ai-collapsed {
    grid-template-columns: var(--activity-w) 0px 1fr 0px;
  }

  .sidebar,
  .ai-panel {
    position: absolute;
    top: 0;
    bottom: 0;
    z-index: 30;
    max-width: min(320px, calc(100vw - var(--activity-w) - 8px));
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.45);
  }

  .sidebar {
    left: var(--activity-w);
    width: min(280px, calc(100vw - var(--activity-w) - 8px));
  }

  .ai-panel {
    right: 0;
    width: min(340px, calc(100vw - var(--activity-w) - 8px));
  }

  .workspace:not(.sidebar-collapsed) .sidebar,
  .workspace:not(.ai-collapsed) .ai-panel {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

  .titlebar {
    position: relative;
    gap: 8px;
    padding-right: 8px;
  }

  .titlebar__menu {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 8px;
    left: auto;
    flex: none;
    flex-direction: column;
    gap: 2px;
    min-width: 180px;
    padding: 8px;
    border-radius: 12px;
    border: 1px solid var(--border-soft);
    background: rgba(17, 24, 33, 0.96);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
    z-index: 60;
  }

  .titlebar.mobile-menu-open .titlebar__menu {
    display: flex;
  }

  .titlebar__menu .menu-btn {
    width: 100%;
    text-align: left;
    padding: 12px 14px;
    min-height: 44px;
    border-radius: 8px;
    font-size: 14px;
  }

  .mobile-only {
    display: grid !important;
  }

  .brand-name {
    font-size: 12px;
  }

  .editor-row.has-preview {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr) minmax(180px, 45%);
  }

  .ai-compose-meta {
    padding-left: 12px;
  }

  .icon-btn {
    width: 40px;
    height: 40px;
  }

  .activity__btn {
    width: 44px;
    height: 44px;
  }

  .tree-item {
    min-height: 36px;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  :root {
    --bottom-h: 140px;
    --titlebar-h: 48px;
  }
}

@media (max-width: 640px) {
  .brand-tag {
    display: none;
  }

  .titlebar__brand {
    min-width: 0;
  }

  .brand-name {
    max-width: 96px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .editor-row.has-preview {
    grid-template-rows: minmax(0, 42%) minmax(0, 58%);
  }

  .preview-py__frame {
    min-height: 140px;
  }

  .statusbar {
    font-size: 11px;
  }

  .ai-panel {
    width: calc(100vw - var(--activity-w));
    max-width: none;
  }

  .sidebar {
    width: calc(100vw - var(--activity-w));
    max-width: none;
  }

  :root {
    --bottom-h: 120px;
    --activity-w: 44px;
  }

  html,
  body,
  .app {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }

  .titlebar {
    padding-top: env(safe-area-inset-top);
    min-height: calc(var(--titlebar-h) + env(safe-area-inset-top));
  }

  .statusbar {
    padding-bottom: env(safe-area-inset-bottom);
  }
}

/* Agent review panel */
.ai-review {
  flex: 0 0 auto;
  border-top: 1px solid var(--border-soft);
  background: #0f1620;
  max-height: 42%;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.ai-review[hidden] { display: none !important; }
.ai-review__head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-soft);
}
.ai-review__head strong {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}
.ai-review__count {
  color: var(--text-mute);
  font-size: 11px;
  flex: 1;
}
.ai-review__actions { display: flex; gap: 6px; }
.ai-review__btn {
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  font: 600 11px/1 var(--font-ui);
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
}
.ai-review__btn--ok {
  border-color: rgba(61, 255, 168, 0.4);
  color: var(--accent);
  background: rgba(61, 255, 168, 0.08);
}
.ai-review__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px;
  max-height: 96px;
  overflow: auto;
}
.ai-review__file {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  font: 500 12px/1.3 var(--font-mono);
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.ai-review__file:hover { background: rgba(61, 255, 168, 0.08); }
.ai-review__tag {
  color: var(--accent);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.ai-review__diff {
  flex: 1;
  min-height: 160px;
  border-top: 1px solid var(--border-soft);
}
.ai-review__diff[hidden] { display: none !important; }
.ai-msg__stream {
  white-space: pre-wrap;
  font-size: 13px;
  line-height: 1.45;
  color: var(--text);
}
.ai-review__row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 4px;
  align-items: center;
}