:root {
  color-scheme: light dark;
  --bg: #e8ebe8;
  --surface: #f5f6f3;
  --surface-raised: #fbfcf9;
  --surface-muted: #e1e5e1;
  --canvas: #d7dbd6;
  --text: #1e2521;
  --text-soft: #66706a;
  --text-faint: #8b948e;
  --line: #cdd3ce;
  --line-strong: #b9c1bb;
  --accent: #3f6757;
  --accent-strong: #2f5244;
  --accent-soft: #d9e6df;
  --warning: #9a682d;
  --warning-soft: #f0e5d2;
  --shadow: 0 18px 55px rgb(49 67 58 / 0.1);
  --radius-surface: 14px;
  --radius-control: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b211e;
    --surface: #222a26;
    --surface-raised: #29312d;
    --surface-muted: #303934;
    --canvas: #171c19;
    --text: #edf0ec;
    --text-soft: #b1bab4;
    --text-faint: #87918b;
    --line: #3a443e;
    --line-strong: #4b5750;
    --accent: #82ac99;
    --accent-strong: #9abbaa;
    --accent-soft: #31483d;
    --warning: #d5a05d;
    --warning-soft: #443726;
    --shadow: 0 20px 60px rgb(7 11 8 / 0.28);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
}

body,
button,
input,
textarea {
  font-family: "Segoe UI Variable", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

select {
  font-family: inherit;
  color: inherit;
}

button,
input,
textarea {
  color: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
[role="tab"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.studio-shell {
  min-height: 100dvh;
  color: var(--text);
  background:
    radial-gradient(circle at 14% -10%, rgb(109 142 124 / 0.12), transparent 32%),
    var(--bg);
}

.topbar {
  height: 70px;
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(18px);
}

.brand-block,
.topbar-actions,
.canvas-actions,
.save-state,
.button,
.tab-trigger,
.canvas-status,
.lock-label,
.inspector-footer > div {
  display: flex;
  align-items: center;
}

.brand-block {
  gap: 11px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-control);
  color: #eef3ef;
  background: var(--accent-strong);
}

.brand-name,
.brand-subtitle,
.rail-heading p,
.panel-title,
.panel-caption,
.helper-text,
.style-label,
.constraint-section p {
  margin: 0;
}

.brand-name {
  font-size: 14px;
  font-weight: 680;
  letter-spacing: 0.01em;
}

.brand-subtitle {
  margin-top: 3px;
  color: var(--text-soft);
  font-size: 12px;
}

.topbar-actions {
  gap: 9px;
}

.settings-alert-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--warning);
  box-shadow: 0 0 0 3px var(--warning-soft);
}

.save-state {
  gap: 5px;
  margin-right: 6px;
  color: var(--text-soft);
  font-size: 12px;
}

.button,
.icon-button,
.send-button {
  min-height: 36px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  font-size: 13px;
  font-weight: 620;
  transition: background-color 160ms ease, border-color 160ms ease, transform 120ms ease;
}

.button {
  justify-content: center;
  gap: 7px;
  padding: 0 13px;
  white-space: nowrap;
}

.button:active,
.icon-button:active,
.send-button:active,
.stage-item:active,
.layer-row:active,
.direction-option:active {
  transform: translateY(1px);
}

.button-primary {
  color: #f1f5f2;
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.button-primary:hover {
  background: var(--accent);
}

.button-secondary {
  color: var(--text);
  background: var(--surface-raised);
  border-color: var(--line);
}

.button-secondary:hover,
.icon-button:hover {
  background: var(--surface-muted);
}

.button.compact {
  min-height: 34px;
  font-size: 12px;
}

.button.full {
  width: 100%;
}

.studio-grid {
  min-height: calc(100dvh - 70px);
  display: grid;
  grid-template-columns: 210px minmax(560px, 1fr) 330px;
}

.workflow-rail,
.style-inspector {
  background: var(--surface);
}

.workflow-rail {
  padding: 22px 14px;
  border-right: 1px solid var(--line);
}

.rail-heading {
  padding: 0 8px 16px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  color: var(--text-soft);
  font-size: 11px;
}

.rail-heading p {
  color: var(--text);
  font-size: 13px;
  font-weight: 650;
}

.stage-list {
  display: grid;
  gap: 3px;
}

.stage-item {
  position: relative;
  width: 100%;
  min-height: 52px;
  padding: 7px 8px;
  display: grid;
  grid-template-columns: 24px 1fr;
  align-items: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  color: var(--text-soft);
  text-align: left;
  background: transparent;
}

.stage-item:hover {
  background: var(--surface-raised);
}

.stage-active {
  color: var(--text);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
}

.stage-index {
  width: 21px;
  height: 21px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-size: 10px;
}

.stage-complete .stage-index {
  color: #edf4ef;
  border-color: var(--accent);
  background: var(--accent);
}

.stage-active .stage-index {
  border: 6px solid var(--accent);
  background: var(--surface-raised);
}

.stage-copy {
  display: grid;
  gap: 2px;
}

.stage-copy strong {
  font-size: 12px;
  font-weight: 630;
}

.stage-copy small {
  color: var(--text-faint);
  font-size: 10px;
}

.rail-note {
  margin: 24px 4px 0;
  padding: 12px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
  color: var(--warning);
  border-radius: var(--radius-control);
  background: var(--warning-soft);
}

.rail-note p {
  margin: 0;
  font-size: 11px;
  line-height: 1.55;
}

.workspace {
  min-width: 0;
  display: grid;
  grid-template-rows: minmax(540px, 1fr) auto;
  background: var(--canvas);
}

.workspace-tabs,
.tab-content {
  min-height: 0;
}

.workspace-toolbar {
  height: 54px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.tab-list {
  display: flex;
  gap: 4px;
}

.tab-trigger {
  min-height: 34px;
  gap: 6px;
  padding: 0 11px;
  border: 0;
  border-radius: var(--radius-control);
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 600;
  background: transparent;
}

.tab-trigger[data-state="active"] {
  color: var(--text);
  background: var(--surface-muted);
}

.canvas-actions {
  gap: 8px;
}

.icon-button,
.send-button {
  width: 36px;
  padding: 0;
  display: grid;
  place-items: center;
  color: var(--text-soft);
  border-color: var(--line);
  background: var(--surface-raised);
}

.icon-button.small {
  width: 30px;
  min-height: 30px;
}

.tooltip {
  z-index: 20;
  padding: 7px 9px;
  border-radius: 7px;
  color: var(--surface-raised);
  background: var(--text);
  font-size: 11px;
  box-shadow: var(--shadow);
}

.plan-workspace {
  height: calc(100% - 54px);
  min-height: 486px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
}

.plan-canvas {
  min-width: 0;
  padding: 18px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 12px;
}

.canvas-labels,
.canvas-status {
  display: flex;
  justify-content: space-between;
  color: var(--text-soft);
  font-size: 11px;
}

.canvas-labels span:first-child {
  color: var(--text);
  font-weight: 650;
}

.plan-image-frame {
  position: relative;
  min-height: 405px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-surface);
  background: #f1f2ee;
  box-shadow: var(--shadow);
}

.plan-image {
  object-fit: contain;
  padding: 12px;
  filter: contrast(1.02) saturate(0.72);
}

.region-outline {
  position: absolute;
  inset: 8% 10% 9% 9%;
  border: 2px solid color-mix(in srgb, var(--accent) 78%, transparent);
  border-radius: 9px;
  pointer-events: none;
}

.issue-marker {
  position: absolute;
  width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  color: #fff9ef;
  border: 2px solid #f7ead5;
  border-radius: 50%;
  background: var(--warning);
  font-size: 11px;
  font-weight: 700;
  box-shadow: 0 5px 18px rgb(104 71 32 / 0.22);
}

.issue-one {
  left: 31%;
  top: 24%;
}

.issue-two {
  right: 26%;
  bottom: 23%;
}

.canvas-status {
  align-items: center;
}

.canvas-status span:first-child {
  gap: 5px;
  color: var(--accent-strong);
}

.canvas-status span:last-child {
  color: var(--warning);
}

.layer-panel {
  padding: 18px 14px;
  border-left: 1px solid var(--line);
  background: var(--surface);
}

.panel-title-row,
.inspector-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.panel-title {
  font-size: 13px;
  font-weight: 680;
}

.panel-caption {
  margin-top: 4px;
  color: var(--text-faint);
  font-size: 10px;
}

.layer-list {
  margin-top: 15px;
  display: grid;
  gap: 3px;
}

.layer-row {
  min-height: 37px;
  padding: 0 9px;
  display: grid;
  grid-template-columns: 20px 1fr auto;
  align-items: center;
  gap: 6px;
  color: var(--text-faint);
  border: 0;
  border-radius: 8px;
  background: transparent;
  text-align: left;
  font-size: 11px;
}

.layer-row:hover {
  background: var(--surface-muted);
}

.layer-row.is-visible {
  color: var(--text);
}

.layer-row small {
  color: var(--text-faint);
}

.panel-divider {
  height: 1px;
  margin: 18px 0;
  background: var(--line);
}

.segmented-control {
  margin-top: 10px;
  padding: 3px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: var(--radius-control);
  background: var(--surface-muted);
}

.segmented-control button {
  min-height: 30px;
  padding: 0 5px;
  border: 0;
  border-radius: 7px;
  color: var(--text-soft);
  background: transparent;
  font-size: 10px;
}

.segmented-control button.active {
  color: var(--text);
  background: var(--surface-raised);
  box-shadow: 0 2px 7px rgb(49 67 58 / 0.1);
}

.helper-text {
  margin-top: 10px;
  color: var(--text-faint);
  font-size: 10px;
  line-height: 1.55;
}

.empty-workspace {
  min-height: 486px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  text-align: center;
}

.empty-workspace h2 {
  margin: 14px 0 6px;
  color: var(--text);
  font-size: 17px;
}

.empty-workspace p {
  max-width: 360px;
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
}

.conversation {
  min-height: 210px;
  padding: 14px 18px 16px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.message-stream {
  max-height: 132px;
  overflow-y: auto;
  display: grid;
  gap: 10px;
}

.message {
  max-width: 84%;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
}

.message-user {
  justify-self: end;
  grid-template-columns: 1fr;
  padding: 9px 11px;
  border-radius: var(--radius-control);
  background: var(--accent-soft);
}

.assistant-icon {
  width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  color: var(--accent-strong);
  border-radius: 8px;
  background: var(--accent-soft);
}

.message p {
  margin: 2px 0 0;
  color: var(--text-soft);
  font-size: 11px;
  line-height: 1.55;
}

.message small {
  color: var(--text);
  font-size: 10px;
  font-weight: 650;
}

.composer {
  margin-top: 12px;
  padding: 9px 10px 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-surface);
  background: var(--surface-raised);
}

.composer label {
  display: block;
  color: var(--text-faint);
  font-size: 9px;
}

.composer-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px;
}

.composer input {
  min-width: 0;
  height: 30px;
  padding: 0;
  border: 0;
  color: var(--text);
  background: transparent;
  font-size: 12px;
}

.composer input::placeholder {
  color: var(--text-faint);
  opacity: 1;
}

.composer input:focus-visible {
  outline: 0;
}

.send-button {
  width: 32px;
  min-height: 32px;
  color: #f2f6f3;
  border: 0;
  background: var(--accent-strong);
}

.style-inspector {
  min-width: 0;
  padding: 20px 18px;
  border-left: 1px solid var(--line);
  overflow-y: auto;
}

.lock-label {
  gap: 4px;
  padding: 5px 7px;
  color: var(--accent-strong);
  border-radius: 7px;
  background: var(--accent-soft);
  font-size: 9px;
  font-weight: 650;
}

.style-section {
  margin-top: 21px;
}

.style-section label,
.style-label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-soft);
  font-size: 10px;
  font-weight: 650;
}

.style-section textarea {
  width: 100%;
  min-height: 75px;
  padding: 10px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  color: var(--text);
  background: var(--surface-raised);
  font-size: 11px;
  line-height: 1.6;
}

.direction-list {
  display: grid;
  gap: 7px;
}

.direction-option {
  width: 100%;
  min-height: 75px;
  padding: 9px;
  display: grid;
  grid-template-columns: 38px 1fr 16px;
  align-items: center;
  gap: 9px;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface-raised);
  text-align: left;
}

.direction-option:hover {
  border-color: var(--line-strong);
}

.direction-option.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.direction-colors {
  height: 49px;
  overflow: hidden;
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  border-radius: 7px;
  border: 1px solid rgb(71 84 76 / 0.16);
}

.direction-option > span:nth-child(2) {
  display: grid;
  gap: 4px;
}

.direction-option strong {
  font-size: 11px;
}

.direction-option small {
  color: var(--text-soft);
  font-size: 9px;
  line-height: 1.45;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-list span,
.tag-list button {
  min-height: 28px;
  padding: 0 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text-soft);
  background: var(--surface-raised);
  font-size: 9px;
}

.constraint-section {
  padding: 11px;
  border-radius: var(--radius-control);
  background: var(--surface-muted);
}

.constraint-section p:last-child {
  color: var(--text-soft);
  font-size: 10px;
  line-height: 1.55;
}

.inspector-footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.inspector-footer > div {
  gap: 6px;
  margin-bottom: 10px;
  color: var(--text-faint);
  font-size: 10px;
}

.settings-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  padding: 24px;
  display: grid;
  place-items: center;
  background: rgb(18 24 20 / 0.56);
  backdrop-filter: blur(8px);
}

.settings-dialog {
  width: min(1120px, 100%);
  height: min(820px, calc(100dvh - 48px));
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-surface);
  background: var(--surface);
  box-shadow: 0 34px 100px rgb(7 13 9 / 0.34);
}

.settings-header {
  padding: 20px 22px 16px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-raised);
}

.settings-header h1,
.settings-header p,
.settings-section-heading h2,
.settings-section-heading p,
.settings-readiness p,
.setting-status-row p,
.setting-toggle-row p,
.deployment-note p {
  margin: 0;
}

.settings-header h1 {
  margin-top: 3px;
  font-size: 21px;
  font-weight: 690;
  letter-spacing: -0.02em;
}

.settings-header > div > p:last-child {
  margin-top: 5px;
  color: var(--text-soft);
  font-size: 11px;
}

.settings-kicker {
  color: var(--accent-strong);
  font-size: 9px;
  font-weight: 720;
  letter-spacing: 0.12em;
}

.settings-readiness {
  min-height: 70px;
  padding: 11px 22px;
  display: grid;
  grid-template-columns: auto minmax(220px, auto) minmax(180px, 1fr);
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--accent-soft) 68%, var(--surface));
}

.readiness-orb {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--warning);
  background: var(--warning-soft);
}

.readiness-orb.ready {
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.settings-readiness strong {
  display: block;
  font-size: 12px;
}

.settings-readiness p {
  margin-top: 4px;
  color: var(--text-soft);
  font-size: 10px;
}

.readiness-meter {
  height: 5px;
  overflow: hidden;
  border-radius: 5px;
  background: var(--line);
}

.readiness-meter span {
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--accent);
  transition: width 240ms ease;
}

.settings-layout {
  min-height: 0;
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
}

.settings-nav {
  padding: 14px 10px;
  display: grid;
  align-content: start;
  gap: 3px;
  border-right: 1px solid var(--line);
  background: var(--surface-muted);
}

.settings-nav button {
  min-height: 43px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--text-soft);
  background: transparent;
  text-align: left;
  font-size: 11px;
  font-weight: 620;
}

.settings-nav button:hover {
  background: color-mix(in srgb, var(--surface-raised) 72%, transparent);
}

.settings-nav button.active {
  color: var(--text);
  border-color: var(--line);
  background: var(--surface-raised);
}

.settings-nav small {
  color: var(--text-faint);
  font-size: 8px;
  font-weight: 650;
}

.settings-nav small.required {
  color: var(--warning);
}

.settings-nav small.done {
  color: var(--accent-strong);
}

.settings-content {
  min-width: 0;
  overflow-y: auto;
  padding: 22px 26px 30px;
}

.settings-loading {
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-soft);
  font-size: 11px;
}

.settings-section-heading {
  padding-bottom: 16px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}

.settings-section-heading h2 {
  font-size: 16px;
  font-weight: 690;
}

.settings-section-heading p {
  max-width: 620px;
  margin-top: 5px;
  color: var(--text-soft);
  font-size: 10px;
  line-height: 1.6;
}

.advanced-toggle {
  min-width: 86px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  color: var(--text-soft);
  font-size: 9px;
}

.advanced-toggle input {
  accent-color: var(--accent);
}

.settings-fields {
  display: grid;
}

.setting-field,
.setting-toggle-row,
.setting-status-row {
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.setting-field {
  display: grid;
  grid-template-columns: minmax(160px, 0.36fr) minmax(260px, 0.64fr);
  gap: 4px 22px;
}

.setting-field-label {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.setting-field-label strong,
.setting-toggle-row strong,
.setting-status-row strong {
  font-size: 11px;
  font-weight: 650;
}

.setting-field-label small {
  color: var(--warning);
  font-size: 8px;
}

.setting-description {
  grid-column: 1;
  color: var(--text-faint);
  font-size: 9px;
  line-height: 1.55;
}

.setting-control-wrap {
  grid-column: 2;
  grid-row: 1 / span 2;
  display: flex;
  align-items: center;
  gap: 7px;
}

.setting-control-wrap input,
.setting-control-wrap select {
  width: 100%;
  min-width: 0;
  height: 38px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--text);
  background: var(--surface-raised);
  font-size: 10px;
}

.setting-control-wrap input::placeholder {
  color: var(--text-faint);
  opacity: 1;
}

.generate-button {
  min-width: 88px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--accent-strong);
  background: var(--accent-soft);
  font-size: 9px;
  font-weight: 650;
}

.option-help {
  grid-column: 2;
  color: var(--accent-strong);
  font-size: 9px;
}

.setting-toggle-row,
.setting-status-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 14px;
}

.setting-toggle-row p,
.setting-status-row p {
  margin-top: 4px;
  color: var(--text-faint);
  font-size: 9px;
  line-height: 1.5;
}

.setting-toggle-row input {
  width: 35px;
  height: 19px;
  accent-color: var(--accent);
}

.setting-status-row {
  grid-template-columns: auto 1fr auto;
}

.setting-status-row > span {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
}

.setting-status-row > span.configured {
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.setting-status-row > span.missing {
  color: var(--warning);
  background: var(--warning-soft);
}

.setting-status-row > small {
  color: var(--text-soft);
  font-size: 9px;
}

.deployment-note {
  margin-top: 16px;
  padding: 12px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 9px;
  color: var(--text-soft);
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
}

.deployment-note p {
  font-size: 9px;
  line-height: 1.65;
}

.deployment-note code {
  color: var(--text);
  font-family: "Cascadia Code", monospace;
}

.settings-test-actions {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.settings-test-actions .button svg:last-child {
  color: var(--accent-strong);
}

.spin {
  animation: settings-spin 900ms linear infinite;
}

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

.settings-footer {
  min-height: 68px;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--line);
  background: var(--surface-raised);
}

.settings-notice,
.settings-footer-actions {
  display: flex;
  align-items: center;
}

.settings-notice {
  min-width: 0;
  gap: 6px;
  color: var(--text-soft);
  font-size: 9px;
}

.settings-notice span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.settings-notice.error {
  color: var(--warning);
}

.settings-notice.success {
  color: var(--accent-strong);
}

.settings-footer-actions {
  gap: 8px;
}

@media (max-width: 1180px) {
  .studio-grid {
    grid-template-columns: 190px minmax(520px, 1fr);
  }

  .style-inspector {
    display: none;
  }
}

@media (max-width: 820px) {
  .topbar {
    height: auto;
    min-height: 66px;
    padding: 10px 14px;
  }

  .save-state,
  .topbar-actions .button-secondary:not(.settings-button),
  .brand-subtitle {
    display: none;
  }

  .studio-grid {
    min-height: calc(100dvh - 66px);
    grid-template-columns: 1fr;
  }

  .workflow-rail {
    padding: 9px 12px;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .rail-heading,
  .rail-note,
  .stage-copy small {
    display: none;
  }

  .stage-list {
    display: flex;
    gap: 5px;
  }

  .stage-item {
    min-width: 104px;
    min-height: 40px;
  }

  .workspace {
    grid-template-rows: auto auto;
  }

  .plan-workspace {
    height: auto;
    grid-template-columns: 1fr;
  }

  .plan-canvas {
    padding: 12px;
  }

  .plan-image-frame {
    min-height: 360px;
  }

  .layer-panel {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .layer-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .conversation {
    min-height: 230px;
  }

  .settings-backdrop {
    padding: 0;
  }

  .settings-dialog {
    height: 100dvh;
    border: 0;
    border-radius: 0;
  }

  .settings-header {
    padding: 14px;
  }

  .settings-readiness {
    padding: 10px 14px;
    grid-template-columns: auto 1fr;
  }

  .readiness-meter {
    grid-column: 1 / -1;
  }

  .settings-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
  }

  .settings-nav {
    padding: 8px;
    display: flex;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .settings-nav button {
    min-width: 108px;
  }

  .settings-content {
    padding: 18px 15px 24px;
  }

  .setting-field {
    grid-template-columns: 1fr;
  }

  .setting-control-wrap,
  .option-help {
    grid-column: 1;
    grid-row: auto;
    margin-top: 6px;
  }

  .settings-footer {
    padding: 10px 12px;
  }

  .settings-notice {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}