/* Font Studio layout (ADR-009). The edited font renders in a shadow root
 * (font-studio.js) with its own sheets, so page CSS and font CSS never meet;
 * the selection outline lives in that shadow root too. */

.studio {
  display: grid;
  gap: 18px;
  padding-block-end: 48px;
}

.studio-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.studio-status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font: 12px/1.4 var(--demo-mono);
  color: var(--demo-muted);
}

.studio-status output {
  color: var(--demo-ink);
}

.studio-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--demo-border);
  border-radius: 12px;
  background: var(--demo-panel);
}

.studio-toolbar label,
.studio-text {
  display: grid;
  gap: 4px;
  font-size: 12px;
  color: var(--demo-muted);
}

.studio-toolbar button,
.studio-toolbar select,
.studio-toolbar input[type="text"],
.studio-text input {
  font: 13px/1.2 var(--demo-sans);
  padding: 6px 10px;
  border: 1px solid var(--demo-border-strong);
  border-radius: 8px;
  background: var(--demo-surface);
  color: var(--demo-ink);
}

.studio-toolbar button:not(:disabled) {
  cursor: pointer;
}

.studio-toolbar button:disabled {
  opacity: 0.45;
}

.studio-file input {
  font-size: 12px;
  max-inline-size: 200px;
}

.studio-sep {
  inline-size: 1px;
  align-self: stretch;
  background: var(--demo-border);
}

/* Fixed height: a longer message must not push the preview while dragging. */
.studio-message {
  flex-basis: 100%;
  margin: 0;
  block-size: 3.9em;
  overflow-y: auto;
  font-size: 12px;
  line-height: 1.3;
  color: var(--demo-muted);
}

.studio-message[data-tone="warn"],
.studio-message[data-tone="error"],
.studio-draft-status[data-tone="warn"],
.studio-draft-status[data-tone="error"] {
  color: var(--demo-seal);
}

.studio-draft {
  flex-basis: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--demo-ink);
}

.studio-draft [data-studio-draft-list] {
  display: contents;
}

.studio-diagnostics {
  flex-basis: 100%;
  margin: 0;
  padding-inline-start: 18px;
  font: 11px/1.5 var(--demo-mono);
  color: var(--demo-muted);
}

.studio-diagnostics li[data-severity="error"] {
  color: var(--demo-seal);
}

.studio-target {
  display: grid;
  gap: 4px;
  padding: 8px 10px;
  border: 1px dashed var(--demo-border-strong);
  border-radius: 10px;
  font-size: 12px;
  color: var(--demo-ink-soft);
}

.studio-target p {
  margin: 0;
  overflow-wrap: anywhere;
}

.studio-target-warning {
  color: var(--demo-seal);
}

.studio-target button {
  justify-self: start;
  font: 12px/1.2 var(--demo-sans);
  padding: 4px 8px;
  border: 1px solid var(--demo-border-strong);
  border-radius: 6px;
  background: var(--demo-surface);
  cursor: pointer;
}

.studio-target-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
}

.studio-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 18px;
  align-items: start;
}

.studio-stage {
  display: grid;
  gap: 12px;
  min-inline-size: 0;
}

.studio-text input {
  inline-size: 100%;
  box-sizing: border-box;
  font-size: 15px;
}

.studio-preview {
  padding: 24px;
  border: 1px solid var(--demo-border);
  border-radius: 14px;
  background:
    linear-gradient(var(--demo-grid-line) 1px, transparent 1px) 0 0 / 100% 24px,
    var(--demo-grid-bg);
  overflow-x: auto;
  touch-action: none;
  user-select: none;
}

.studio-preview:focus-visible {
  outline: 2px solid var(--demo-accent);
  outline-offset: 2px;
}

.studio-hint {
  margin: 0;
  font-size: 12px;
  color: var(--demo-muted);
}

.studio-checks h2,
.studio-rules summary {
  margin: 0 0 6px;
  font-size: 13px;
}

.studio-checks small {
  font-weight: 400;
  color: var(--demo-muted);
}

.studio-checks ul,
.studio-rules ol {
  margin: 0;
  padding-inline-start: 18px;
  font: 12px/1.5 var(--demo-mono);
  color: var(--demo-ink-soft);
}

.studio-checks li[data-kind="collision"],
.studio-checks li[data-kind="unmeasured"] {
  color: var(--demo-seal);
}

.studio-inspector {
  position: sticky;
  top: 12px;
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--demo-border);
  border-radius: 14px;
  background: var(--demo-panel);
  min-inline-size: 0;
}

.studio-selection {
  display: grid;
  gap: 2px;
  font-size: 13px;
  color: var(--demo-muted);
}

.studio-selection strong {
  font-size: 18px;
  color: var(--demo-ink);
}

.studio-scope {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 8px 10px;
  border: 1px solid var(--demo-border);
  border-radius: 10px;
  font-size: 13px;
}

.studio-scope select {
  font-size: 12px;
  margin-block-start: 4px;
}

.studio-props {
  inline-size: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.studio-props th,
.studio-props td {
  padding: 4px 6px;
  border-block-end: 1px solid var(--demo-rule);
  text-align: start;
  vertical-align: top;
}

.studio-props input {
  inline-size: 7.5em;
  font: 12px/1.2 var(--demo-mono);
  padding: 3px 6px;
  border: 1px solid var(--demo-border-strong);
  border-radius: 6px;
}

.studio-source-cell {
  font: 11px/1.45 var(--demo-mono);
  color: var(--demo-muted);
  overflow-wrap: anywhere;
}

.studio-rules li[data-layer="jamo"] {
  color: var(--demo-accent);
}

.studio-rules li[data-layer="context"] {
  color: var(--demo-seal);
}

.studio-source textarea {
  inline-size: 100%;
  box-sizing: border-box;
  min-block-size: 320px;
  font: 12px/1.45 var(--demo-mono);
  padding: 10px;
  border: 1px solid var(--demo-border);
  border-radius: 10px;
  background: var(--demo-surface);
  color: var(--demo-ink);
}

@media (max-width: 900px) {
  .studio-workspace {
    grid-template-columns: minmax(0, 1fr);
  }

  .studio-inspector {
    position: static;
  }
}

.studio-material-area {
  display: grid;
  gap: 12px;
  scroll-margin-block-start: 104px; /* sticky .demo-topbar 아래로 */
}

.studio-material,
.studio-material-intro {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--demo-border);
  border-radius: 14px;
  background: var(--demo-panel);
}

.studio-material-intro {
  border-style: dashed;
  border-color: var(--demo-border-strong);
}

.studio-material-intro p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--demo-ink-soft);
}

.studio-material-intro code {
  font: 12px/1.4 var(--demo-mono);
}

.studio-material h2,
.studio-material-intro h2 {
  margin: 0;
  font-size: 14px;
}

.studio-material small {
  font-weight: 400;
  font: 12px/1.4 var(--demo-mono);
  color: var(--demo-muted);
}

.studio-material-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 16px;
  align-items: start;
}

.studio-material-sheet {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px;
  min-inline-size: 0;
}

.studio-material-rows {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 11px;
  color: var(--demo-muted);
}

.studio-material-rows li {
  display: flex;
  align-items: center;
  white-space: nowrap;
}

.studio-material-sheet canvas {
  inline-size: 100%;
  background:
    conic-gradient(var(--demo-surface-muted) 25%, var(--demo-surface) 0 50%, var(--demo-surface-muted) 0 75%, var(--demo-surface) 0) 0 0 / 16px 16px;
  border: 1px solid var(--demo-border);
  cursor: pointer;
}

.studio-material-editor {
  display: grid;
  gap: 8px;
}

.studio-material-editor p {
  margin: 0;
  font-size: 13px;
}

.studio-cell-stack {
  position: relative;
  inline-size: 320px;
  block-size: 320px;
  border: 1px solid var(--demo-border-strong);
  background: var(--demo-grid-bg);
}

.studio-cell-stack canvas {
  position: absolute;
  inset: 0;
  inline-size: 100%;
  block-size: 100%;
}

.studio-cell-stack canvas[data-material-cell] {
  cursor: crosshair;
  touch-action: none;
}

.studio-material[data-editable="false"] .studio-cell-stack canvas[data-material-cell] {
  cursor: not-allowed;
}

.studio-material-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin: 0;
  padding: 6px 10px;
  border: 1px solid var(--demo-border);
  border-radius: 10px;
  font-size: 12px;
}

.studio-material-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: end;
}

.studio-material button,
.studio-material-intro button,
.studio-material select,
.studio-material-family input {
  font: 12px/1.2 var(--demo-sans);
  padding: 5px 9px;
  border: 1px solid var(--demo-border-strong);
  border-radius: 8px;
  background: var(--demo-surface);
  color: var(--demo-ink);
}

.studio-material button:not(:disabled),
.studio-material-intro button {
  cursor: pointer;
}

.studio-material button:disabled {
  opacity: 0.45;
}

.studio-material-family {
  display: grid;
  gap: 4px;
  font-size: 12px;
  color: var(--demo-muted);
}

.studio-material-coverage {
  font: 12px/1.4 var(--demo-mono);
  color: var(--demo-muted);
}

.studio-material-groups {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 10px;
  align-items: start;
}

.studio-material-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: end;
  margin: 0;
  padding: 8px 10px;
  border: 1px solid var(--demo-border);
  border-radius: 10px;
  font-size: 12px;
}

.studio-material-group legend {
  color: var(--demo-muted);
}

.studio-material-group label:not(.studio-material-check) {
  display: grid;
  gap: 4px;
  color: var(--demo-muted);
}

.studio-material-group label small {
  font: 11px/1.2 var(--demo-mono);
}

.studio-material-check {
  display: flex;
  align-items: center;
  gap: 4px;
}

.studio-material-group p {
  flex-basis: 100%;
  margin: 0;
  font: 12px/1.5 var(--demo-mono);
  color: var(--demo-muted);
  overflow-wrap: anywhere;
}

.studio-material-pending {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  padding: 8px 10px;
  border: 1px dashed var(--demo-seal);
  border-radius: 10px;
}

.studio-material-pending p {
  flex-basis: 100%;
  margin: 0;
  font-size: 12px;
  color: var(--demo-seal);
}

@media (max-width: 900px) {
  .studio-material-body {
    grid-template-columns: minmax(0, 1fr);
  }
}

.studio-globals {
  padding: 12px 14px;
  border: 1px solid var(--demo-border);
  border-radius: 14px;
  background: var(--demo-panel);
}

.studio-globals summary {
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.studio-globals summary small {
  font-weight: 400;
  font-size: 12px;
  color: var(--demo-muted);
}

.studio-globals-body {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
  margin-block-start: 10px;
}

.studio-globals fieldset {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 8px 10px;
  border: 1px solid var(--demo-border);
  border-radius: 10px;
}

.studio-globals legend {
  font-size: 12px;
  color: var(--demo-muted);
}

.studio-globals label {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 9.5em;
  align-items: center;
  gap: 6px;
  font: 11px/1.3 var(--demo-mono);
  color: var(--demo-ink-soft);
}

.studio-globals input {
  font: 12px/1.2 var(--demo-mono);
  padding: 3px 6px;
  border: 1px solid var(--demo-border-strong);
  border-radius: 6px;
}