:root {
  --bg: #f1ede4;
  --bg-deep: #e9e3d6;
  --panel: #fbf9f3;
  --panel-2: #f6f2e9;
  --code-bg: #f8f4eb;
  --ink: #211e18;
  --ink-2: #4d473c;
  --muted: #8d8474;
  --line: #ded7c8;
  --line-strong: #cec4b2;
  --accent: #e4663b;
  --accent-deep: #c94f29;
  --accent-ink: #fff8f2;
  --accent-soft: #f8ddd1;
  --sage: #3f6d5e;
  --sage-soft: #e2ece6;
  --danger: #b5442e;
  --radius: 14px;
  --radius-sm: 9px;
  --mono: ui-monospace, "SF Mono", "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: "Avenir Next", "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(60, 48, 30, 0.035) 0.6px, transparent 0.7px);
  background-size: 5px 5px;
  opacity: 0.55;
}

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
}

svg {
  display: block;
}

:focus-visible {
  outline: 2px solid rgba(228, 102, 59, 0.58);
  outline-offset: 2px;
}

* {
  scrollbar-width: thin;
  scrollbar-color: #d0c7b7 transparent;
}

::-webkit-scrollbar {
  width: 9px;
  height: 9px;
}

::-webkit-scrollbar-thumb {
  background: #d0c7b7;
  border: 2px solid transparent;
  border-radius: 999px;
  background-clip: content-box;
}

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

/* ------------------------------------------------------------------ */
/* top bar                                                             */
/* ------------------------------------------------------------------ */

.topbar {
  position: relative;
  z-index: 2;
  height: 66px;
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid rgba(206, 196, 178, 0.55);
  background: linear-gradient(180deg, rgba(251, 249, 243, 0.72), rgba(241, 237, 228, 0.42));
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  width: 32px;
  height: 32px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: #fff7ef;
  background: var(--accent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), 0 5px 14px -8px rgba(180, 70, 35, 0.7);
}

.brand-mark svg {
  width: 20px;
  height: 20px;
}

.brand-name {
  font-size: 19px;
  font-weight: 720;
  letter-spacing: -0.045em;
  line-height: 1;
  white-space: nowrap;
}

.brand-sub {
  margin-left: 2px;
  padding-left: 11px;
  border-left: 1px solid var(--line-strong);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.19em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.runtime {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 30px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.38);
  color: var(--muted);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.runtime-dot {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: #b6ad9c;
  box-shadow: 0 0 0 3px rgba(182, 173, 156, 0.14);
  transition: background 0.2s, box-shadow 0.2s;
}

.runtime[data-state="loading"] {
  color: #9b6b1f;
  border-color: #e8d6ab;
  background: #fbf2dd;
}

.runtime[data-state="loading"] .runtime-dot {
  background: #d99a32;
  box-shadow: 0 0 0 3px rgba(217, 154, 50, 0.16);
  animation: pulse 1.1s ease-in-out infinite;
}

.runtime[data-state="ready"] {
  color: var(--sage);
  border-color: #c9ddd2;
  background: #eef6f1;
}

.runtime[data-state="ready"] .runtime-dot {
  background: #4f8a72;
  box-shadow: 0 0 0 3px rgba(79, 138, 114, 0.15);
}

.runtime[data-state="busy"] {
  color: var(--accent-deep);
  border-color: #ecc7b6;
  background: #fdf0e8;
}

.runtime[data-state="busy"] .runtime-dot {
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(228, 102, 59, 0.14);
  animation: pulse 1s ease-in-out infinite;
}

.runtime[data-state="error"] {
  color: var(--danger);
  border-color: #e8c2b7;
  background: #fbebe6;
}

.runtime[data-state="error"] .runtime-dot {
  background: #c8553d;
  box-shadow: 0 0 0 3px rgba(200, 85, 61, 0.14);
}

/* ------------------------------------------------------------------ */
/* generic controls                                                    */
/* ------------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.005em;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.16s, border-color 0.16s, color 0.16s, transform 0.16s;
}

.btn svg {
  width: 15px;
  height: 15px;
  flex: none;
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled {
  cursor: default;
  opacity: 0.55;
  transform: none;
}

.btn.ghost {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.42);
  color: var(--ink-2);
}

.btn.ghost:hover {
  background: #fffdf8;
  border-color: #c3b8a4;
  color: var(--ink);
}

.btn.run {
  height: 34px;
  padding: 0 11px 0 13px;
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24), 0 6px 16px -10px rgba(180, 70, 35, 0.9);
}

.btn.run:hover {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
}

.btn.run svg {
  width: 13px;
  height: 13px;
}

.btn.run.is-busy svg {
  display: none;
}

.btn.run.is-busy::before {
  content: "";
  width: 11px;
  height: 11px;
  border: 1.5px solid rgba(255, 255, 255, 0.34);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.btn.run kbd {
  margin-left: 1px;
  padding: 2px 5px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.18);
  font-family: var(--sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.02em;
  opacity: 0.82;
}

.icon-btn {
  width: 32px;
  height: 32px;
  flex: none;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.16s, color 0.16s, border-color 0.16s;
}

.icon-btn svg {
  width: 17px;
  height: 17px;
}

.icon-btn:hover {
  background: rgba(59, 48, 32, 0.05);
  color: var(--ink-2);
}

.icon-btn.is-on {
  color: var(--sage);
  background: var(--sage-soft);
}

.icon-btn.tiny {
  width: 26px;
  height: 26px;
  border-radius: 7px;
}

.icon-btn.tiny svg {
  width: 14px;
  height: 14px;
}

.icon-btn:disabled {
  opacity: 0.32;
  cursor: default;
}

.icon-btn:disabled:hover {
  background: transparent;
  color: var(--muted);
}

/* ------------------------------------------------------------------ */
/* workspace panels                                                    */
/* ------------------------------------------------------------------ */

.workspace {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1720px;
  height: calc(100vh - 66px);
  margin: 0 auto;
  padding: 14px 18px 18px;
  display: grid;
  grid-template-columns: 248px minmax(330px, 0.92fr) minmax(380px, 1.08fr);
  gap: 14px;
  min-height: 0;
}

.panel {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65), 0 16px 34px -32px rgba(52, 42, 27, 0.4);
}

.panel-head {
  height: 50px;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 0 13px 0 16px;
  border-bottom: 1px solid var(--line);
}

.panel-head h2 {
  margin: 0;
  font-size: 12px;
  font-weight: 680;
  letter-spacing: 0.03em;
  color: var(--ink-2);
}

.panel-count {
  min-width: 27px;
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

/* ------------------------------------------------------------------ */
/* examples                                                            */
/* ------------------------------------------------------------------ */

.examples {
  background: var(--panel-2);
}

.example-list {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.example-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 7px;
  border: 1px solid transparent;
  border-radius: 11px;
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: background 0.16s, border-color 0.16s, box-shadow 0.16s;
}

.example-card:hover {
  background: rgba(255, 255, 255, 0.55);
  border-color: var(--line);
}

.example-card.is-active {
  background: #fffdf8;
  border-color: var(--line-strong);
  box-shadow: 0 8px 18px -18px rgba(52, 42, 27, 0.6);
}

.example-card.is-active::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 17px;
  bottom: 17px;
  width: 2px;
  border-radius: 0 2px 2px 0;
  background: var(--accent);
}

.example-thumb {
  width: 58px;
  height: 58px;
  flex: none;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #f3eee4;
}

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

.example-meta {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.example-title {
  font-size: 13px;
  font-weight: 680;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.example-sub {
  overflow: hidden;
  color: var(--muted);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.example-index {
  align-self: flex-start;
  margin-top: 1px;
  color: #b8ae9d;
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.06em;
}

.example-chev {
  width: 14px;
  height: 14px;
  flex: none;
  margin-right: 2px;
  color: var(--line-strong);
  opacity: 0;
  transform: translateX(-3px);
  transition: opacity 0.16s, transform 0.16s, color 0.16s;
}

.example-chev svg {
  width: 14px;
  height: 14px;
}

.example-card:hover .example-chev,
.example-card.is-active .example-chev {
  opacity: 1;
  transform: translateX(0);
}

.example-card.is-active .example-chev {
  color: var(--accent);
}

.example-skeleton {
  height: 74px;
  flex: none;
  border-radius: 11px;
  background: linear-gradient(100deg, rgba(255, 255, 255, 0.2) 15%, rgba(255, 255, 255, 0.65) 40%, rgba(255, 255, 255, 0.2) 65%);
  background-size: 200% 100%;
  border: 1px solid rgba(222, 215, 200, 0.55);
  animation: shimmer 1.5s linear infinite;
}

.examples-foot {
  flex: none;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 9.5px;
  letter-spacing: 0.01em;
}

.drop-dot {
  width: 5px;
  height: 5px;
  flex: none;
  border-radius: 50%;
  background: var(--accent);
}

/* ------------------------------------------------------------------ */
/* editor                                                              */
/* ------------------------------------------------------------------ */

.file-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.file-dot {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--accent);
}

.file-name {
  overflow: hidden;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.state-pill {
  flex: none;
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-2);
  color: var(--muted);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.02em;
}

.state-pill[data-state="modified"] {
  border-color: #eac6b7;
  background: var(--accent-soft);
  color: var(--accent-deep);
}

.state-pill[data-state="upload"] {
  border-color: #c8ddd2;
  background: var(--sage-soft);
  color: var(--sage);
}

.state-pill[data-state="error"] {
  border-color: #e8c2b7;
  background: #fbebe6;
  color: var(--danger);
}

.editor-actions {
  display: flex;
  align-items: center;
  gap: 5px;
}

.editor-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  background: var(--code-bg);
}

.editor-wrap .CodeMirror {
  height: 100%;
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.68;
}

.CodeMirror-scroll {
  padding-bottom: 26px;
}

.CodeMirror-gutters {
  border-right: 1px solid rgba(222, 215, 200, 0.72);
  background: transparent;
}

.CodeMirror-linenumber {
  padding: 0 9px 0 12px;
  color: #b4aa98;
  font-size: 10px;
}

.CodeMirror-cursor {
  border-left: 1.5px solid var(--accent);
}

.CodeMirror-selected {
  background: rgba(228, 102, 59, 0.13) !important;
}

.CodeMirror-focused .CodeMirror-selected {
  background: rgba(228, 102, 59, 0.17) !important;
}

.CodeMirror-activeline-background {
  background: rgba(228, 102, 59, 0.032);
}

.CodeMirror-matchingbracket {
  color: var(--accent-deep) !important;
  text-decoration: underline;
}

.cm-s-default .cm-keyword {
  color: #b34e2d;
  font-weight: 600;
}

.cm-s-default .cm-atom {
  color: #8b5e2f;
}

.cm-s-default .cm-number {
  color: #a34b2c;
}

.cm-s-default .cm-def {
  color: var(--sage);
}

.cm-s-default .cm-variable {
  color: var(--ink);
}

.cm-s-default .cm-variable-2 {
  color: #47647b;
}

.cm-s-default .cm-property {
  color: var(--sage);
}

.cm-s-default .cm-operator {
  color: #6c6152;
}

.cm-s-default .cm-comment {
  color: #9c9282;
  font-style: italic;
}

.cm-s-default .cm-string,
.cm-s-default .cm-string-2 {
  color: #8a6a2a;
}

.cm-s-default .cm-builtin {
  color: var(--sage);
}

.cm-s-default .cm-meta {
  color: #8b5e2f;
}

.editor-status {
  height: 31px;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 0 13px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.34);
  color: var(--muted);
  font-size: 9.5px;
  letter-spacing: 0.02em;
}

.status-left {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.lang-dot {
  width: 6px;
  height: 6px;
  flex: none;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--sage);
}

.status-right {
  font-family: var(--mono);
  font-size: 9px;
  white-space: nowrap;
}

/* ------------------------------------------------------------------ */
/* preview                                                             */
/* ------------------------------------------------------------------ */

.preview-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.live-dot {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: #5b947b;
  box-shadow: 0 0 0 3px rgba(91, 148, 123, 0.14);
}

.object-count {
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 9.5px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.view-actions {
  display: flex;
  align-items: center;
  gap: 3px;
}

.canvas-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  border-radius: 0 0 var(--radius) var(--radius);
  background:
    radial-gradient(90% 90% at 64% 22%, rgba(255, 255, 255, 0.82) 0%, rgba(255, 255, 255, 0) 58%),
    radial-gradient(100% 100% at 50% 110%, #e6dfd0 0%, #f3eee3 52%, #fbf8f0 100%);
}

.canvas-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  border-radius: inherit;
  box-shadow: inset 0 0 90px rgba(79, 63, 39, 0.07);
}

#view {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  outline: none;
}

.canvas-hint {
  position: absolute;
  left: 50%;
  bottom: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  border: 1px solid rgba(206, 196, 178, 0.7);
  border-radius: 999px;
  background: rgba(251, 249, 243, 0.64);
  backdrop-filter: blur(7px);
  color: #8c8272;
  font-size: 9.5px;
  letter-spacing: 0.02em;
  pointer-events: none;
  transform: translateX(-50%);
  transition: opacity 0.5s ease, transform 0.5s ease;
  white-space: nowrap;
}

.canvas-hint.is-hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(4px);
}

.mouse-icon {
  position: relative;
  width: 9px;
  height: 13px;
  border: 1.2px solid currentColor;
  border-radius: 5px;
}

.mouse-icon::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 50%;
  width: 1px;
  height: 3px;
  border-radius: 1px;
  background: currentColor;
  transform: translateX(-50%);
}

.canvas-loading,
.canvas-empty {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: rgba(243, 238, 227, 0.68);
  backdrop-filter: blur(9px);
  text-align: left;
}

.canvas-loading[hidden],
.canvas-empty[hidden],
.canvas-error[hidden] {
  display: none;
}

.canvas-loading > div,
.canvas-empty {
  flex-direction: column;
}

.canvas-loading > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.canvas-loading strong,
.canvas-empty strong {
  color: var(--ink);
  font-size: 12px;
  font-weight: 680;
  letter-spacing: 0.01em;
}

.canvas-loading span:not(.spinner),
.canvas-empty span:not(.empty-mark) {
  color: var(--muted);
  font-size: 10px;
}

.canvas-empty code {
  padding: 1px 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.62);
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--ink-2);
}

.empty-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 2px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--line-strong);
  font-family: var(--mono);
  font-size: 17px;
}

.spinner {
  width: 27px;
  height: 27px;
  flex: none;
  border: 2px solid rgba(228, 102, 59, 0.18);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

.canvas-error {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(243, 238, 227, 0.58);
  backdrop-filter: blur(3px);
}

.error-card {
  display: flex;
  flex-direction: column;
  width: min(100%, 640px);
  max-height: 100%;
  min-height: 0;
  padding: 13px 15px 12px;
  overflow: hidden;
  border: 1px solid #e6c7ba;
  border-radius: 12px;
  background: rgba(251, 249, 243, 0.99);
  box-shadow: 0 26px 60px -36px rgba(74, 45, 26, 0.55);
}

.error-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: #a33f2a;
  font-size: 11.5px;
  font-weight: 680;
  letter-spacing: 0.01em;
}

.canvas-error pre {
  flex: 0 1 auto;
  min-height: 0;
  margin: 9px 0;
  padding: 10px;
  overflow: auto;
  border: 1px solid #e8dccb;
  border-radius: 8px;
  background: #f6efe4;
  color: #6e3a2c;
  font-family: var(--mono);
  font-size: 10.5px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.canvas-error p {
  margin: 0;
  color: var(--muted);
  font-size: 9.5px;
}

.toast {
  position: absolute;
  left: 50%;
  bottom: 16px;
  z-index: 6;
  max-width: calc(100% - 32px);
  padding: 7px 14px;
  border-radius: 999px;
  background: #2c2821;
  color: #fbf8f1;
  font-size: 10.5px;
  letter-spacing: 0.01em;
  text-align: center;
  box-shadow: 0 12px 30px -18px rgba(24, 19, 12, 0.8);
  transform: translateX(-50%);
  animation: toast-in 0.22s ease both;
}

.toast[data-tone="error"] {
  background: #8e3a27;
}

/* ------------------------------------------------------------------ */
/* drop overlay                                                        */
/* ------------------------------------------------------------------ */

.drop-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  background: rgba(241, 237, 228, 0.76);
  backdrop-filter: blur(7px);
}

.drop-overlay[hidden] {
  display: none;
}

.drop-card {
  width: min(420px, 80vw);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  border: 1.5px dashed var(--accent);
  border-radius: 18px;
  background: #fbf8f0;
  box-shadow: 0 30px 60px -40px rgba(74, 45, 26, 0.5);
  text-align: center;
}

.drop-card svg {
  width: 33px;
  height: 33px;
  margin-bottom: 4px;
  color: var(--accent);
}

.drop-card strong {
  font-size: 14px;
  font-weight: 680;
}

.drop-card span {
  color: var(--muted);
  font-size: 10.5px;
}

/* ------------------------------------------------------------------ */
/* motion                                                              */
/* ------------------------------------------------------------------ */

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

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.55;
    transform: scale(0.82);
  }
}

@keyframes shimmer {
  from {
    background-position: 150% 0;
  }
  to {
    background-position: -50% 0;
  }
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ------------------------------------------------------------------ */
/* responsive                                                          */
/* ------------------------------------------------------------------ */

@media (max-width: 1280px) {
  .workspace {
    grid-template-columns: 222px minmax(310px, 0.9fr) minmax(350px, 1.1fr);
    gap: 11px;
    padding: 12px 14px 14px;
  }

  .brand-sub {
    display: none;
  }
}

@media (max-width: 1020px) {
  .workspace {
    grid-template-columns: 206px minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 9px;
    padding: 10px 12px 12px;
  }

  .example-thumb {
    width: 50px;
    height: 50px;
  }

  .example-card {
    gap: 8px;
    padding: 6px;
  }

  .example-sub {
    display: none;
  }

  .btn.run kbd {
    display: none;
  }
}

@media (max-width: 900px) {
  body {
    overflow: auto;
  }

  .topbar {
    height: 58px;
    padding: 0 14px;
  }

  .workspace {
    height: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 10px 12px 16px;
  }

  .examples {
    flex: none;
    order: 1;
  }

  .preview-panel {
    order: 2;
    flex: none;
    height: 52vh;
    min-height: 320px;
  }

  .editor-panel {
    order: 3;
    flex: none;
    height: 58vh;
    min-height: 390px;
  }

  .examples .panel-head {
    height: 42px;
  }

  .example-list {
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 8px;
    gap: 6px;
  }

  .example-card {
    width: 186px;
    flex: 0 0 186px;
    padding: 6px;
  }

  .example-card.is-active::before {
    top: auto;
    left: 16px;
    right: 16px;
    bottom: -1px;
    width: auto;
    height: 2px;
    border-radius: 2px 2px 0 0;
  }

  .example-thumb {
    width: 44px;
    height: 44px;
  }

  .example-chev {
    display: none;
  }

  .examples-foot {
    display: none;
  }

  .panel-head {
    height: 46px;
  }

  .canvas-hint {
    display: none;
  }
}

@media (max-width: 560px) {
  .topbar {
    gap: 8px;
    padding: 0 10px;
  }

  .brand {
    gap: 8px;
  }

  .brand-mark {
    width: 29px;
    height: 29px;
    border-radius: 8px;
  }

  .brand-name {
    font-size: 17px;
  }

  .topbar-actions {
    gap: 6px;
  }

  .btn.ghost {
    height: 32px;
    padding: 0 10px;
    font-size: 11px;
  }

  .runtime {
    display: none;
  }

  .workspace {
    padding: 8px 8px 14px;
    gap: 8px;
  }

  .preview-panel {
    height: 46vh;
    min-height: 280px;
  }

  .editor-panel {
    height: 60vh;
    min-height: 380px;
  }

  .file-name {
    max-width: 118px;
  }

  .state-pill {
    display: none;
  }

  .editor-actions .icon-btn {
    width: 29px;
    height: 29px;
  }

  .btn.run {
    padding: 0 10px;
  }

  .example-card {
    width: 166px;
    flex-basis: 166px;
  }

  .example-title {
    font-size: 12px;
  }

  .example-thumb {
    width: 40px;
    height: 40px;
  }

  .canvas-error {
    padding: 10px;
  }

  .error-card {
    padding: 11px 12px 10px;
  }
}