:root {
  --page-bg: #eef2ed;
  --page-text: #1d2520;
  --muted: #56645d;
  --panel: #fbfcf8;
  --panel-2: #f3f6f1;
  --line: #d6dfd6;
  --focus: #356f58;
  --button: #2f6b54;
  --button-text: #ffffff;
  --danger: #8f3d37;
  --preview-bg: #edf3ef;
  --preview-hi: #f8faf7;
  --preview-panel: rgba(250, 252, 248, .94);
  --preview-panel-soft: rgba(245, 248, 243, .9);
  --preview-border: #c8d8cc;
  --preview-text: #56645b;
  --preview-text-hi: #22382d;
  --preview-text-dim: #56645b;
  --preview-accent: #3a7a5f;
  --preview-accent-2: #73a883;
  --preview-paper: #fffdf6;
  --preview-canvas: #e8f0ea;
  --preview-ink: #22382d;
  --preview-heading: #1f342a;
  --preview-mark: #fff1a6;
  --preview-mark-text: #2d2410;
  --preview-mark-opacity: 50%;
  --preview-code-bg: #edf4ef;
  --preview-font-ui: Inter, system-ui, sans-serif;
  --preview-font-body: "Source Serif 4", Georgia, serif;
  --preview-font-heading: "Source Serif 4", Georgia, serif;
  --preview-font-mono: "JetBrains Mono", ui-monospace, monospace;
  --preview-wallpaper-image: none;
  --preview-wallpaper-size: 48px 48px;
  --preview-wallpaper-opacity: .18;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--page-text);
  background: var(--page-bg);
  font-family: var(--preview-font-ui);
}

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

button {
  border: 0;
  border-radius: 8px;
  color: var(--button-text);
  background: var(--button);
  padding: 10px 14px;
  cursor: pointer;
}

button:hover {
  filter: brightness(.96);
}

.brand-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ghost-button {
  color: var(--page-text);
  background: transparent;
  border: 1px solid var(--line);
}

.link-button {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  border-radius: 8px;
  padding: 9px 13px;
  text-decoration: none;
  font-weight: 700;
}

.theme-studio {
  display: grid;
  grid-template-columns: minmax(320px, 430px) minmax(0, 1fr);
  min-height: 100vh;
}

.control-panel {
  overflow: auto;
  max-height: 100vh;
  padding: 24px;
  background: var(--panel);
  border-right: 1px solid var(--line);
}

.brand-row,
.export-header,
.action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 15px;
}

.panel-section {
  display: grid;
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.brand-row + .panel-section {
  margin-top: 18px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--page-text);
  background: #ffffff;
  padding: 10px 11px;
}

input[type="color"] {
  height: 42px;
  padding: 4px;
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--focus) 28%, transparent);
  outline-offset: 2px;
}

textarea {
  min-height: 150px;
  resize: vertical;
  font-family: var(--preview-font-mono);
  font-size: 12px;
  line-height: 1.45;
}

input[type="file"] {
  background: color-mix(in srgb, var(--panel-2) 76%, #fff);
}

.svg-debug {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--panel-2) 54%, transparent);
}

.svg-debug summary {
  color: var(--page-text);
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
}

.svg-debug label {
  margin-top: 12px;
}

.field-grid,
.color-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.color-control {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  align-items: end;
}

.hint,
.status-message {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.hint a {
  color: var(--focus);
  font-weight: 800;
}

.status-message.is-error {
  color: var(--danger);
}

.preview-panel {
  display: grid;
  grid-template-rows: minmax(520px, 1fr) 280px;
  min-width: 0;
  padding: 24px;
  gap: 18px;
}

.preview-shell {
  display: grid;
  grid-template-columns: 286px minmax(0, 1fr);
  min-height: 0;
  overflow: hidden;
  border: 1px solid var(--preview-border);
  border-radius: 8px;
  background: var(--preview-bg);
  color: var(--preview-text);
}

.preview-sidebar {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 12px;
  min-height: 0;
  padding: 14px;
  background: var(--preview-panel);
  border-right: 1px solid var(--preview-border);
}

.preview-search {
  min-height: 38px;
  border: 1px solid color-mix(in srgb, var(--preview-border) 72%, transparent);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--preview-text-dim);
  background: color-mix(in srgb, var(--preview-panel-soft) 70%, transparent);
  font-size: 13px;
  font-weight: 700;
}

.preview-side-actions {
  display: grid;
  grid-template-columns: 1fr 38px 70px;
  gap: 8px;
}

.preview-side-actions button,
.preview-sidebar-foot button,
.preview-tool-left button {
  min-height: 34px;
  border: 1px solid color-mix(in srgb, var(--preview-border) 72%, transparent);
  border-radius: 8px;
  color: var(--preview-text-hi);
  background: color-mix(in srgb, var(--preview-panel-soft) 70%, transparent);
  font: inherit;
  font-size: 12px;
  font-weight: 800;
}

.preview-side-actions button:first-child {
  color: #fff;
  background: var(--preview-accent);
  border-color: transparent;
}

.preview-tree {
  display: grid;
  align-content: start;
  gap: 5px;
  min-height: 0;
  overflow: hidden;
  padding: 4px 0;
  font-size: 13px;
}

.tree-folder,
.tree-note {
  min-height: 30px;
  border-radius: 8px;
  padding: 7px 10px;
  color: var(--preview-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tree-folder {
  color: var(--preview-text-hi);
  font-weight: 700;
}

.tree-note {
  margin-left: 18px;
}

.tree-note span {
  color: var(--preview-text-dim);
  font-size: 10px;
  font-weight: 800;
}

.tree-note.active,
.tree-folder.open {
  color: var(--preview-text-hi);
  background: color-mix(in srgb, var(--preview-accent) 12%, var(--preview-panel-soft));
  box-shadow: inset 3px 0 0 var(--preview-accent);
}

.preview-sidebar-foot {
  display: grid;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--preview-border);
}

.preview-sidebar-foot span {
  color: var(--preview-text-dim);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.preview-main {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  min-width: 0;
}

.preview-toolbar,
.preview-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 16px;
  background: var(--preview-panel);
  border-bottom: 1px solid var(--preview-border);
}

.preview-status {
  justify-content: space-between;
  color: var(--preview-text-dim);
  border-top: 1px solid var(--preview-border);
  border-bottom: 0;
  font-size: 12px;
}

.preview-ribbon {
  border-bottom: 1px solid var(--preview-border);
  background: color-mix(in srgb, var(--preview-panel) 86%, var(--preview-panel-soft));
}

.ribbon-tabs,
.ribbon-tools {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 36px;
  padding: 0 18px;
  color: var(--preview-text);
  font-size: 13px;
  font-weight: 800;
}

.ribbon-tabs {
  border-bottom: 1px solid var(--preview-border);
}

.ribbon-tabs span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  border-bottom: 2px solid transparent;
}

.ribbon-tabs .active {
  color: var(--preview-text-hi);
  border-bottom-color: var(--preview-accent);
}

.ribbon-tools {
  gap: 22px;
  color: var(--preview-text-hi);
}

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

.preview-tool-left button {
  width: 34px;
  padding: 0;
  text-align: center;
}

.preview-tab {
  min-width: 0;
  border: 1px solid var(--preview-border);
  border-bottom-color: transparent;
  border-radius: 8px 8px 0 0;
  padding: 8px 13px;
  color: var(--preview-text-hi);
  background: var(--preview-canvas);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preview-brand {
  margin-left: auto;
  color: var(--preview-text-hi);
  font-family: var(--preview-font-heading);
  font-size: 21px;
  white-space: nowrap;
}

.preview-brand span {
  color: var(--preview-text-dim);
  font-family: var(--preview-font-ui);
  font-size: 11px;
  font-weight: 800;
}

.preview-status div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.preview-status span {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  border: 1px solid color-mix(in srgb, var(--preview-border) 72%, transparent);
  border-radius: 999px;
  padding: 2px 8px;
  background: color-mix(in srgb, var(--preview-panel-soft) 62%, transparent);
}

.swatches {
  display: flex;
  gap: 6px;
}

.swatches span {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, .12);
}

.editor-canvas {
  position: relative;
  display: grid;
  place-items: start center;
  overflow: auto;
  padding: 38px 28px;
  background: var(--preview-canvas);
}

.editor-canvas::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: var(--preview-wallpaper-opacity);
  background-image: var(--preview-wallpaper-image);
  background-size: var(--preview-wallpaper-size);
  background-repeat: repeat;
  pointer-events: none;
}

.note-paper {
  position: relative;
  width: min(940px, 100%);
  min-height: 680px;
  padding: 54px 62px;
  color: var(--preview-ink);
  background: var(--preview-paper);
  border: 1px solid var(--preview-border);
  border-radius: 6px;
  box-shadow: 0 18px 44px rgba(43, 55, 48, .12);
  font-family: var(--preview-font-body);
  line-height: 1.72;
}

.note-meta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  margin: 0 0 24px;
  font-family: var(--preview-font-ui);
}

.date-chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border: 1px solid var(--preview-border);
  border-radius: 999px;
  padding: 2px 9px;
  color: var(--preview-text-dim);
  background: color-mix(in srgb, var(--preview-code-bg) 48%, transparent);
  font-size: 12px;
  font-weight: 800;
}

.note-paper h2 {
  margin: 28px 0 16px;
  color: var(--preview-heading);
  font-family: var(--preview-font-heading);
  font-size: 38px;
}

.mini-sheet {
  margin: 34px 0;
  border: 1px solid var(--preview-border);
  border-radius: 8px;
  padding: 12px;
  background: color-mix(in srgb, var(--preview-paper) 78%, var(--preview-code-bg));
  font-family: var(--preview-font-ui);
  font-size: 13px;
}

.mini-sheet-head,
.mini-sheet-actions,
.token-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mini-sheet-head {
  justify-content: space-between;
  margin-bottom: 10px;
}

.mini-sheet-head strong {
  flex: 1;
  border: 1px solid var(--preview-border);
  border-radius: 7px;
  padding: 7px 10px;
  color: var(--preview-heading);
  background: var(--preview-paper);
  font-size: 17px;
}

.mini-sheet-head span,
.token-row span {
  border: 1px solid var(--preview-border);
  border-radius: 999px;
  padding: 7px 12px;
  color: var(--preview-text);
  background: color-mix(in srgb, var(--preview-code-bg) 48%, transparent);
  font-weight: 800;
}

.mini-sheet-actions {
  justify-content: flex-end;
  margin-bottom: 10px;
}

.mini-sheet button,
.token-row button {
  border: 1px solid color-mix(in srgb, var(--preview-accent) 24%, var(--preview-border));
  border-radius: 7px;
  padding: 7px 13px;
  color: var(--preview-text-hi);
  background: var(--preview-paper);
  font: inherit;
  font-weight: 800;
}

.mini-sheet table {
  margin: 0;
  background: var(--preview-paper);
}

.mini-sheet th {
  text-align: center;
}

.mini-sheet td,
.mini-sheet th {
  min-width: 78px;
}

.mini-sheet .active-cell {
  outline: 2px solid var(--preview-accent);
  outline-offset: -2px;
}

.token-row {
  margin-top: 12px;
  border: 1px solid var(--preview-border);
  border-radius: 8px;
  padding: 9px;
  background: color-mix(in srgb, var(--preview-code-bg) 42%, transparent);
}

.token-row strong {
  color: var(--preview-text);
}

.token-row em {
  min-width: 120px;
  border: 1px solid var(--preview-border);
  border-radius: 7px;
  padding: 7px 10px;
  color: var(--preview-ink);
  background: var(--preview-paper);
  font-style: normal;
}

.token-row button {
  color: #fff;
  background: var(--preview-accent);
  border-color: transparent;
}

.note-paper p {
  margin: 0 0 16px;
  color: var(--preview-ink);
}

.note-paper a {
  color: var(--preview-accent);
  font-weight: 800;
}

.note-paper mark {
  color: var(--preview-mark-text);
  background: color-mix(in srgb, var(--preview-mark) var(--preview-mark-opacity), transparent);
  border-radius: 4px;
  padding: 1px 3px;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border: 1px solid color-mix(in srgb, var(--preview-accent) 28%, var(--preview-border));
  border-radius: 999px;
  padding: 2px 9px;
  color: var(--preview-accent);
  background: color-mix(in srgb, var(--preview-accent) 9%, var(--preview-paper));
  font-family: var(--preview-font-ui);
  font-size: 12px;
  font-weight: 800;
}

.note-kicker {
  margin: 0 0 12px;
  color: var(--preview-accent);
  font-family: var(--preview-font-ui);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.note-paper blockquote {
  margin: 24px 0;
  padding: 14px 18px;
  border-left: 4px solid var(--preview-accent-2);
  background: color-mix(in srgb, var(--preview-accent-2) 12%, transparent);
}

.check-list {
  display: grid;
  gap: 8px;
  margin: 20px 0;
  padding: 0;
  list-style: none;
  font-family: var(--preview-font-ui);
  font-size: 14px;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--preview-ink);
}

.check-list span {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--preview-accent);
  border-radius: 4px;
  background: var(--preview-paper);
}

.check-list .checked span {
  background: var(--preview-accent);
  box-shadow: inset 0 0 0 3px var(--preview-paper);
}

.note-paper table {
  width: 100%;
  margin: 22px 0;
  border-collapse: collapse;
  color: var(--preview-ink);
  font-family: var(--preview-font-ui);
  font-size: 13px;
}

.note-paper th,
.note-paper td {
  border: 1px solid var(--preview-border);
  padding: 9px 10px;
  text-align: left;
}

.note-paper th {
  color: var(--preview-heading);
  background: var(--preview-code-bg);
}

.note-paper tr:nth-child(even) td {
  background: color-mix(in srgb, var(--preview-code-bg) 48%, transparent);
}

.note-paper pre {
  overflow: auto;
  padding: 14px;
  border-radius: 8px;
  color: var(--preview-accent);
  background: var(--preview-code-bg);
  font-family: var(--preview-font-mono);
  font-size: 13px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
  font-family: var(--preview-font-ui);
}

.button-row button {
  min-height: 34px;
  border: 0;
  border-radius: 8px;
  padding: 8px 12px;
  color: #fff;
  background: var(--preview-accent);
  font: inherit;
  font-weight: 800;
}

.button-row .secondary-preview {
  color: var(--preview-text-hi);
  background: color-mix(in srgb, var(--preview-accent) 10%, var(--preview-paper));
  border: 1px solid color-mix(in srgb, var(--preview-accent) 28%, var(--preview-border));
}

.export-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 10px;
  min-width: 0;
}

.export-kind {
  width: min(300px, 100%);
}

.export-kind select {
  margin-top: 6px;
}

#export-json {
  min-height: 0;
}

@media (max-width: 980px) {
  .theme-studio {
    grid-template-columns: 1fr;
  }

  .control-panel {
    max-height: none;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .preview-panel {
    grid-template-rows: auto 320px;
  }
}

@media (max-width: 680px) {
  .field-grid,
  .color-grid,
  .preview-shell {
    grid-template-columns: 1fr;
  }

  .preview-sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--preview-border);
  }

  .note-paper {
    padding: 34px 26px;
  }
}