:root,
:root[data-theme="ember"] {
  --primary: #d85f3d;
  --on-primary: #fffaf5;
  --primary-container: #f6ddd2;
  --on-primary-container: #542313;
  --secondary: #19766f;
  --secondary-container: #d8ede7;
  --tertiary: #236c9b;
  --surface: #fbfaf6;
  --surface-dim: #eceee8;
  --surface-container: #fffefa;
  --surface-container-high: #f1f3ed;
  --outline: #b9beb4;
  --outline-variant: #d8ddd4;
  --on-surface: #251f1a;
  --on-surface-variant: #666c61;
  --error: #b43b3b;
  --error-container: #f8dada;
  --shadow: 32 26 18;
}

:root[data-theme="jade"] {
  --primary: #16836d;
  --on-primary: #f8fffc;
  --primary-container: #d4eee5;
  --on-primary-container: #073a2f;
  --secondary: #8b6734;
  --secondary-container: #f0e2cc;
  --tertiary: #3d6f9e;
  --surface: #fbfefa;
  --surface-dim: #e8f0e9;
  --surface-container: #ffffff;
  --surface-container-high: #e2ece0;
  --outline: #aebfb5;
  --outline-variant: #cfddd4;
  --on-surface: #17231d;
  --on-surface-variant: #607267;
  --error: #b43b3b;
  --error-container: #f8dada;
  --shadow: 18 35 29;
}

:root[data-theme="ocean"] {
  --primary: #236c9b;
  --on-primary: #f7fcff;
  --primary-container: #d9eaf4;
  --on-primary-container: #0c3149;
  --secondary: #c05a3a;
  --secondary-container: #f4ded4;
  --tertiary: #3d8176;
  --surface: #fafcfd;
  --surface-dim: #e6edf1;
  --surface-container: #ffffff;
  --surface-container-high: #e0e9ee;
  --outline: #adbec7;
  --outline-variant: #d0dde4;
  --on-surface: #172127;
  --on-surface-variant: #5f7079;
  --error: #b43b3b;
  --error-container: #f8dada;
  --shadow: 23 33 39;
}

:root[data-theme="graphite"] {
  --primary: #5f6f21;
  --on-primary: #fcfff3;
  --primary-container: #e6edc2;
  --on-primary-container: #283107;
  --secondary: #4d6f83;
  --secondary-container: #dceaf0;
  --tertiary: #9b5a38;
  --surface: #fcfcf8;
  --surface-dim: #ecece6;
  --surface-container: #ffffff;
  --surface-container-high: #e6e6dc;
  --outline: #bdbeb2;
  --outline-variant: #d8d9cc;
  --on-surface: #20211b;
  --on-surface-variant: #66685c;
  --error: #b43b3b;
  --error-container: #f8dada;
  --shadow: 32 33 27;
}

:root[data-theme="e-ink"] {
  --primary: #222222;
  --on-primary: #ffffff;
  --primary-container: #e4e4e0;
  --on-primary-container: #111111;
  --secondary: #6b6b64;
  --secondary-container: #ecece7;
  --tertiary: #4b4b46;
  --surface: #fafaf5;
  --surface-dim: #e9e9e2;
  --surface-container: #ffffff;
  --surface-container-high: #e2e2da;
  --outline: #aaaaa2;
  --outline-variant: #d0d0c8;
  --on-surface: #171715;
  --on-surface-variant: #5c5c56;
  --error: #8f2e2e;
  --error-container: #f1dada;
  --shadow: 23 23 21;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(var(--shadow) / 0.035) 1px, transparent 1px),
    linear-gradient(0deg, rgba(var(--shadow) / 0.03) 1px, transparent 1px),
    var(--surface);
  background-size: 28px 28px;
  color: var(--on-surface);
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  letter-spacing: 0;
}

button,
input,
textarea,
select {
  font: inherit;
  letter-spacing: 0;
}

button {
  color: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 352px minmax(0, 1fr);
  height: 100%;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}

.app-shell.sidebar-collapsed {
  grid-template-columns: 0 minmax(0, 1fr);
}

.sidebar {
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid color-mix(in srgb, var(--outline-variant), transparent 18%);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface-dim), white 20%), var(--surface-dim)),
    var(--surface-dim);
  transition: transform 180ms ease, opacity 180ms ease;
}

.sidebar-collapsed .sidebar {
  opacity: 0;
  pointer-events: none;
}

.sidebar-head {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 66px;
  padding: 14px 14px 10px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border: 1px solid color-mix(in srgb, var(--outline), transparent 35%);
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 8px 18px rgba(var(--shadow) / 0.12);
}

.brand-copy {
  min-width: 0;
}

.brand-copy strong,
.gateway-button strong,
.chat-title strong {
  display: block;
  overflow: hidden;
  color: color-mix(in srgb, var(--on-surface), transparent 8%);
  font-weight: 700;
  line-height: 1.12;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-copy span,
.gateway-button small,
.chat-title span {
  display: block;
  overflow: hidden;
  color: var(--on-surface-variant);
  font-size: 12px;
  line-height: 1.45;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 38px;
  margin: 4px 12px 12px;
  padding: 0 10px;
  border: 1px solid color-mix(in srgb, var(--outline-variant), transparent 20%);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-container), transparent 10%);
  color: var(--on-surface-variant);
}

.search-box input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--on-surface);
}

.command-button,
.chip-button,
.send-button,
.stop-button,
.settings-button,
.data-button,
.theme-swatch,
.model-pill,
.inline-action,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease, transform 140ms ease, color 140ms ease;
}

.command-button {
  justify-content: flex-start;
  gap: 12px;
  min-height: 38px;
  margin: 0 10px 22px;
  padding: 7px 11px;
  color: color-mix(in srgb, var(--on-surface), transparent 8%);
  font-weight: 600;
}

.command-button:hover,
.icon-button:hover,
.chip-button:hover,
.settings-button:hover,
.data-button:hover,
.inline-action:hover {
  border-color: color-mix(in srgb, var(--outline-variant), transparent 18%);
  background: color-mix(in srgb, var(--surface-container), transparent 10%);
}

.conversation-list {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  padding: 0 8px 12px;
}

.conversation-section {
  margin-bottom: 12px;
}

.section-title {
  margin: 0;
  padding: 7px 10px 4px;
  color: color-mix(in srgb, var(--on-surface-variant), transparent 15%);
  font-size: 11px;
  font-weight: 700;
}

.conversation-row {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 46px;
  margin-bottom: 3px;
  padding: 7px 5px 7px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.conversation-row:hover {
  background: color-mix(in srgb, var(--surface-container), transparent 22%);
}

.conversation-row.is-selected {
  border-color: color-mix(in srgb, var(--primary), transparent 76%);
  background: color-mix(in srgb, var(--primary-container), transparent 12%);
}

.row-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--secondary), transparent 28%);
}

.conversation-row.is-selected .row-dot {
  background: var(--primary);
}

.row-copy {
  min-width: 0;
}

.row-title {
  display: block;
  overflow: hidden;
  color: color-mix(in srgb, var(--on-surface), transparent 6%);
  font-weight: 650;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-detail {
  display: block;
  overflow: hidden;
  color: var(--on-surface-variant);
  font-size: 12px;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-actions {
  display: flex;
  gap: 3px;
  opacity: 0;
  transition: opacity 120ms ease;
}

.conversation-row:hover .row-actions,
.conversation-row:focus-within .row-actions,
.conversation-row.is-selected .row-actions {
  opacity: 1;
}

.mini-action {
  width: 26px;
  height: 26px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--on-surface-variant);
  cursor: pointer;
}

.mini-action:hover {
  background: color-mix(in srgb, var(--surface-container), transparent 12%);
  color: var(--on-surface);
}

.sidebar-foot {
  padding: 8px 8px 10px;
}

.gateway-button {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 30px;
  align-items: center;
  gap: 9px;
  width: 100%;
  min-height: 54px;
  padding: 8px;
  border: 1px solid color-mix(in srgb, var(--outline-variant), transparent 18%);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-container), transparent 4%);
  box-shadow: 0 10px 24px rgba(var(--shadow) / 0.08);
  text-align: left;
}

.gateway-signal {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--secondary), white 8%));
  box-shadow: inset 0 0 0 1px rgba(255 255 255 / 0.42);
}

.settings-glyph {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-dim), white 26%);
  color: var(--on-surface-variant);
}

.workspace {
  display: grid;
  grid-template-rows: 58px minmax(0, 1fr) auto auto;
  height: 100%;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface), white 18%), var(--surface) 36%),
    var(--surface);
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  padding: 8px 18px 8px 20px;
  border-bottom: 1px solid color-mix(in srgb, var(--outline-variant), transparent 28%);
}

.chat-title {
  min-width: 0;
  flex: 1 1 auto;
}

.header-actions {
  display: flex;
  gap: 6px;
  flex: 0 0 auto;
}

.icon-button {
  width: 34px;
  height: 34px;
  color: var(--on-surface-variant);
  font-size: 17px;
}

.message-list {
  min-height: 0;
  overflow: auto;
  padding: 46px clamp(18px, 5vw, 64px) 30px;
  scroll-behavior: smooth;
}

.messages-inner {
  max-width: 1120px;
  margin: 0 auto;
}

.empty-state {
  display: grid;
  min-height: 100%;
  place-items: center;
  text-align: center;
}

.empty-state-inner {
  max-width: 420px;
}

.empty-mark {
  display: grid;
  width: 54px;
  height: 54px;
  margin: 0 auto 14px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--primary), transparent 66%);
  border-radius: 8px;
  background: color-mix(in srgb, var(--primary-container), transparent 16%);
  color: var(--primary);
  font-size: 26px;
  font-weight: 800;
}

.empty-state h1 {
  margin: 0 0 6px;
  font-size: 20px;
  line-height: 1.2;
}

.empty-state p {
  margin: 0;
  color: var(--on-surface-variant);
}

.message {
  display: flex;
  margin-bottom: 24px;
}

.message.user {
  justify-content: flex-end;
}

.message.assistant,
.message.system {
  justify-content: flex-start;
}

.bubble {
  min-width: 0;
  max-width: min(760px, 100%);
}

.message.user .bubble {
  max-width: min(620px, 72%);
  padding: 11px 15px;
  border: 1px solid color-mix(in srgb, var(--primary), transparent 76%);
  border-radius: 8px;
  background: var(--primary-container);
  color: var(--on-primary-container);
  font-weight: 560;
  line-height: 1.45;
  white-space: pre-wrap;
}

.assistant-body {
  color: color-mix(in srgb, var(--on-surface), transparent 5%);
  font-size: var(--message-size, 15px);
  line-height: 1.58;
}

.assistant-body > :first-child {
  margin-top: 0;
}

.assistant-body > :last-child {
  margin-bottom: 0;
}

.assistant-body p {
  margin: 0 0 12px;
}

.assistant-body h1,
.assistant-body h2,
.assistant-body h3 {
  margin: 18px 0 9px;
  font-weight: 750;
  line-height: 1.18;
}

.assistant-body h1 {
  font-size: 1.34em;
}

.assistant-body h2 {
  font-size: 1.18em;
}

.assistant-body h3 {
  font-size: 1.06em;
}

.assistant-body ul,
.assistant-body ol {
  margin: 0 0 12px 1.3em;
  padding: 0;
}

.assistant-body li {
  margin: 4px 0;
}

.assistant-body pre {
  overflow: auto;
  margin: 12px 0;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--outline-variant), transparent 20%);
  border-radius: 8px;
  background: #161b1f;
  color: #edf3f7;
  font-family: "SFMono-Regular", "Cascadia Mono", "Menlo", monospace;
  font-size: 13px;
  line-height: 1.55;
}

.assistant-body code {
  border-radius: 5px;
  background: color-mix(in srgb, var(--surface-container-high), transparent 8%);
  color: color-mix(in srgb, var(--on-surface), var(--primary) 12%);
  font-family: "SFMono-Regular", "Cascadia Mono", "Menlo", monospace;
  font-size: 0.92em;
  padding: 0.12em 0.34em;
}

.assistant-body pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}

.assistant-body blockquote {
  margin: 12px 0;
  padding: 8px 12px;
  border-left: 3px solid var(--secondary);
  background: color-mix(in srgb, var(--secondary-container), transparent 35%);
}

.assistant-body .markdown-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 14px 0;
  border: 1px solid color-mix(in srgb, var(--outline-variant), transparent 18%);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-container), transparent 4%);
}

.assistant-body table {
  width: max-content;
  min-width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.95em;
  line-height: 1.45;
}

.assistant-body th,
.assistant-body td {
  max-width: 360px;
  padding: 9px 11px;
  border-right: 1px solid color-mix(in srgb, var(--outline-variant), transparent 30%);
  border-bottom: 1px solid color-mix(in srgb, var(--outline-variant), transparent 30%);
  text-align: left;
  vertical-align: top;
}

.assistant-body th:last-child,
.assistant-body td:last-child {
  border-right: 0;
}

.assistant-body thead th {
  background: color-mix(in srgb, var(--surface-container-high), var(--primary-container) 18%);
  color: color-mix(in srgb, var(--on-surface), transparent 5%);
  font-weight: 720;
}

.assistant-body tbody tr:last-child td {
  border-bottom: 0;
}

.assistant-body tbody tr:nth-child(even) td {
  background: color-mix(in srgb, var(--surface-container-high), transparent 55%);
}

.assistant-body th.align-left,
.assistant-body td.align-left {
  text-align: left;
}

.assistant-body th.align-center,
.assistant-body td.align-center {
  text-align: center;
}

.assistant-body th.align-right,
.assistant-body td.align-right {
  text-align: right;
}

.assistant-body a {
  color: var(--tertiary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.thought {
  margin-bottom: 12px;
  padding: 10px 12px;
  border-left: 3px solid color-mix(in srgb, var(--secondary), white 8%);
  background: color-mix(in srgb, var(--secondary-container), transparent 46%);
  color: color-mix(in srgb, var(--on-surface-variant), var(--on-surface) 10%);
  font-size: 13px;
  line-height: 1.45;
  white-space: pre-wrap;
}

.generated-image {
  display: block;
  max-width: min(520px, 100%);
  max-height: 520px;
  margin-bottom: 14px;
  border: 1px solid color-mix(in srgb, var(--outline-variant), transparent 20%);
  border-radius: 8px;
  background: var(--surface-container-high);
  object-fit: contain;
}

.message-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 14px;
  color: var(--on-surface-variant);
  opacity: 0.72;
}

.message:hover .message-actions,
.message:focus-within .message-actions {
  opacity: 1;
}

.inline-action {
  min-height: 28px;
  padding: 4px 8px;
  color: inherit;
  font-size: 12px;
}

.message-metrics {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  color: color-mix(in srgb, var(--on-surface-variant), transparent 10%);
  font-size: 12px;
}

.stream-caret {
  display: inline-block;
  width: 7px;
  height: 1.1em;
  margin-left: 3px;
  transform: translateY(2px);
  background: var(--primary);
  animation: blink 900ms steps(1) infinite;
}

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

.error-banner {
  margin: 0 clamp(18px, 5vw, 64px) 10px;
  padding: 10px 12px;
  border: 1px solid color-mix(in srgb, var(--error), transparent 45%);
  border-radius: 8px;
  background: var(--error-container);
  color: color-mix(in srgb, var(--error), black 18%);
}

.composer {
  padding: 12px 22px 10px;
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--surface), white 12%) 18%);
}

.composer > * {
  max-width: 1120px;
  margin-right: auto;
  margin-left: auto;
}

.composer-field {
  border: 1px solid color-mix(in srgb, var(--outline-variant), transparent 14%);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-container), transparent 3%);
  box-shadow: 0 12px 28px rgba(var(--shadow) / 0.08);
}

.composer textarea {
  display: block;
  width: 100%;
  min-height: 92px;
  max-height: 220px;
  resize: vertical;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--on-surface);
  font-size: calc(var(--message-size, 15px) + 1px);
  line-height: 1.45;
  padding: 15px 17px;
}

.composer-bar,
.image-options,
.form-row.inline {
  display: flex;
  align-items: center;
  gap: 10px;
}

.composer-bar {
  min-height: 42px;
  margin-top: 10px;
}

.composer-left {
  flex: 1 1 auto;
  min-width: 0;
}

.composer-right {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
}

.chip-button {
  min-height: 36px;
  max-width: min(42vw, 280px);
  padding: 0 12px;
  overflow: hidden;
  color: var(--on-surface-variant);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.send-button,
.stop-button {
  width: 38px;
  height: 38px;
  border-color: color-mix(in srgb, var(--primary), transparent 35%);
  background: var(--primary);
  color: var(--on-primary);
  font-size: 19px;
  font-weight: 800;
}

.stop-button {
  border-color: color-mix(in srgb, var(--error), transparent 35%);
  background: var(--error);
}

.send-button:disabled {
  border-color: color-mix(in srgb, var(--outline), transparent 46%);
  background: var(--surface-container-high);
  color: color-mix(in srgb, var(--on-surface-variant), transparent 35%);
  cursor: default;
}

.image-options {
  flex-wrap: wrap;
  margin-bottom: 10px;
  padding: 8px 10px;
  border: 1px solid color-mix(in srgb, var(--outline-variant), transparent 20%);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-container), transparent 10%);
}

.image-options label,
.toggle-row {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--on-surface-variant);
  font-size: 13px;
}

select,
.settings-panel input,
.settings-panel textarea {
  width: 100%;
  border: 1px solid color-mix(in srgb, var(--outline-variant), transparent 15%);
  border-radius: 8px;
  outline: 0;
  background: color-mix(in srgb, var(--surface-container), transparent 3%);
  color: var(--on-surface);
}

select {
  min-height: 34px;
  padding: 0 9px;
}

.modal-root:empty {
  display: none;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(22 22 20 / 0.32);
}

.settings-panel,
.source-panel {
  width: min(560px, 100%);
  max-height: min(86vh, 900px);
  overflow: auto;
  border: 1px solid color-mix(in srgb, var(--outline-variant), transparent 10%);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 26px 70px rgba(0 0 0 / 0.24);
}

.settings-head,
.source-head {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 58px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--outline-variant);
  background: color-mix(in srgb, var(--surface), white 8%);
}

.settings-head h2,
.source-head h2 {
  flex: 1 1 auto;
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
}

.settings-section {
  padding: 18px 16px;
  border-bottom: 1px solid color-mix(in srgb, var(--outline-variant), transparent 35%);
}

.settings-section:last-child {
  border-bottom: 0;
}

.settings-section h3 {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  color: color-mix(in srgb, var(--on-surface), transparent 3%);
  font-size: 14px;
  line-height: 1.2;
}

.form-row {
  margin-bottom: 12px;
}

.form-row:last-child {
  margin-bottom: 0;
}

.form-row label,
.field-label {
  display: block;
  margin-bottom: 6px;
  color: var(--on-surface-variant);
  font-size: 12px;
  font-weight: 700;
}

.settings-panel input,
.settings-panel textarea {
  min-height: 38px;
  padding: 8px 10px;
}

.settings-panel textarea {
  min-height: 104px;
  resize: vertical;
  line-height: 1.45;
}

.model-list,
.theme-list,
.data-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.model-pill {
  gap: 7px;
  min-height: 32px;
  padding: 4px 8px 4px 10px;
  border-color: color-mix(in srgb, var(--outline-variant), transparent 20%);
  background: color-mix(in srgb, var(--surface-container), transparent 6%);
}

.model-pill.is-selected {
  border-color: color-mix(in srgb, var(--primary), transparent 50%);
  background: color-mix(in srgb, var(--primary-container), transparent 15%);
  color: var(--on-primary-container);
}

.pill-remove {
  width: 22px;
  height: 22px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.pill-remove:hover {
  background: rgba(0 0 0 / 0.08);
}

.settings-button,
.data-button {
  min-height: 36px;
  padding: 0 12px;
  border-color: color-mix(in srgb, var(--outline-variant), transparent 20%);
  background: color-mix(in srgb, var(--surface-container), transparent 5%);
}

.data-button.primary {
  border-color: color-mix(in srgb, var(--primary), transparent 28%);
  background: var(--primary);
  color: var(--on-primary);
}

.theme-swatch {
  gap: 8px;
  min-height: 38px;
  padding: 5px 9px 5px 7px;
  border-color: color-mix(in srgb, var(--outline-variant), transparent 20%);
}

.theme-swatch.is-selected {
  border-color: color-mix(in srgb, var(--primary), transparent 35%);
  background: color-mix(in srgb, var(--primary-container), transparent 20%);
}

.swatch-chip {
  display: inline-grid;
  width: 24px;
  height: 24px;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  border-radius: 7px;
  border: 1px solid rgba(0 0 0 / 0.1);
}

.swatch-chip i:nth-child(1) {
  background: var(--swatch-a);
}

.swatch-chip i:nth-child(2) {
  background: var(--swatch-b);
}

.swatch-chip i:nth-child(3) {
  background: var(--swatch-c);
}

.swatch-chip i:nth-child(4) {
  background: var(--swatch-d);
}

.range-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.range-row input {
  padding: 0;
}

.range-value {
  min-width: 54px;
  color: var(--on-surface-variant);
  font-size: 12px;
  text-align: right;
}

.cloud-status {
  margin-top: 10px;
  color: var(--on-surface-variant);
  font-size: 12px;
  line-height: 1.45;
}

.source-panel {
  width: min(760px, 100%);
}

.source-editor {
  width: calc(100% - 32px);
  min-height: min(52vh, 520px);
  margin: 16px;
  padding: 12px;
  border: 1px solid var(--outline-variant);
  border-radius: 8px;
  resize: vertical;
  background: #15191d;
  color: #eef5f8;
  font-family: "SFMono-Regular", "Cascadia Mono", "Menlo", monospace;
  font-size: 13px;
  line-height: 1.55;
}

.source-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 0 16px 16px;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 80;
  max-width: min(420px, calc(100vw - 36px));
  padding: 10px 12px;
  border: 1px solid color-mix(in srgb, var(--outline-variant), transparent 10%);
  border-radius: 8px;
  background: color-mix(in srgb, var(--on-surface), black 8%);
  color: var(--surface);
  box-shadow: 0 16px 38px rgba(0 0 0 / 0.2);
}

.mobile-only {
  display: none;
}

@media (max-width: 760px) {
  body {
    overflow: hidden;
  }

  .app-shell,
  .app-shell.sidebar-collapsed {
    grid-template-columns: minmax(0, 1fr);
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 40;
    width: min(86vw, 380px);
    transform: translateX(-104%);
    opacity: 1;
    pointer-events: none;
    box-shadow: 20px 0 50px rgba(0 0 0 / 0.16);
  }

  .app-shell.mobile-sidebar-open .sidebar {
    transform: translateX(0);
    pointer-events: auto;
  }

  .mobile-only {
    display: inline-flex;
  }

  .chat-header {
    padding-right: 12px;
    padding-left: 12px;
  }

  .header-actions {
    gap: 2px;
  }

  .message-list {
    padding: 26px 18px 24px;
  }

  .message.user .bubble {
    max-width: 88%;
  }

  .composer {
    padding-right: 14px;
    padding-left: 14px;
  }

  .composer-bar {
    align-items: stretch;
  }

  .composer-left {
    display: none;
  }

  .chip-button {
    max-width: 46vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}