/* Figma-like editor chrome (docs/DESIGN.md). 4 px grid: 4, 8, 12, 16, 24, 32. */
:root {
  color-scheme: dark;
  --chrome: #2c2c2c;
  --canvas: #1e1e1e;
  --line: #444444;
  --hover: #383838;
  --field: #383838;
  --fg: rgba(255, 255, 255, 0.9);
  --fg-2: #b3b3b3;
  --accent: #0d99ff;
  --accent-fill: #0c8ce9;
  --danger: #f24822;
  --card: #202020;
  --k-green: #5fbf63;
  --k-red: #ff696d;
  --k-white: rgba(255, 255, 255, 0.922);
  --ui: "Inter", "Noto Sans KR", system-ui, sans-serif;
  --card-font: "Noto Sans KR", "Malgun Gothic", "Apple SD Gothic Neo", "Segoe UI Emoji", "Apple Color Emoji", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--canvas);
  color: var(--fg);
  font: 12px/1.5 var(--ui);
  overflow-wrap: anywhere;
  display: flex;
  flex-direction: column;
}
h2 { margin: 0; font-size: 11px; font-weight: 600; color: var(--fg-2); display: inline; }
code { background: var(--hover); padding: 0 4px; border-radius: 4px; }
button, input, select { font: inherit; color: inherit; }

/* ------------------------------------------------------------ top bar */
.topbar {
  flex: none; min-height: 40px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 8px; padding: 4px 12px; background: var(--chrome); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 13px; }
.brand .home { color: var(--fg-2); text-decoration: none; font-weight: 500; padding: 2px 8px; border-radius: 6px; }
.brand .home:hover { background: var(--hover); color: var(--fg); }
.topbar-right { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }

/* ------------------------------------------------------------ controls */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 4px;
  min-height: 28px; padding: 4px 12px; border: 1px solid var(--line); border-radius: 6px;
  background: transparent; cursor: pointer; font-weight: 500; text-align: center; white-space: normal;
}
.btn:hover { background: var(--hover); }
.btn.primary { background: var(--accent-fill); border-color: var(--accent-fill); color: #fff; }
.btn.primary:hover { filter: brightness(1.1); }
.btn.small { min-height: 24px; padding: 2px 8px; }
.btn.quiet { border-color: transparent; color: var(--fg-2); }
.btn.danger:hover { color: var(--danger); }
.btn:disabled { opacity: 0.4; cursor: default; }
.btn:focus-visible, select:focus-visible, input:focus-visible, .segmented input:focus-visible + span, .file:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px;
}
.icon-btn {
  width: 24px; height: 24px; display: inline-flex; align-items: center; justify-content: center;
  border: 0; border-radius: 4px; background: transparent; color: var(--fg-2); cursor: pointer; flex: none;
}
.icon-btn:hover { background: var(--hover); color: var(--fg); }
.icon-btn.danger:hover { color: var(--danger); }
.icon-btn:disabled { opacity: 0.3; cursor: default; background: none; }
select, input[type="text"], input[type="number"] {
  min-height: 28px; max-width: 100%; padding: 4px 8px; border: 1px solid var(--line); border-radius: 6px;
  background: var(--field);
}
input[type="text"] { flex: 1 1 100px; min-width: 0; }
.check { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; }
.check input { width: 14px; height: 14px; accent-color: var(--accent); margin: 0; }

/* Segments touch: square inside, rounded only on the group's outer corners. */
.segmented { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.segmented label { display: inline-flex; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span { min-height: 26px; display: inline-flex; align-items: center; padding: 0 12px; cursor: pointer; font-weight: 500; border-left: 1px solid var(--line); }
.segmented label:first-child span { border-left: 0; }
.segmented input:checked + span { background: var(--hover); color: #fff; box-shadow: inset 0 -2px 0 var(--accent); }

.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.row.tight { gap: 4px; }

/* ------------------------------------------------------------ the left panel */
.app { flex: 1; min-height: 0; display: flex; }
.panel {
  flex: none; width: 280px; overflow-y: auto; background: var(--chrome); border-right: 1px solid var(--line);
}
.group { padding: 12px; border-bottom: 1px solid var(--line); }
.group-head { min-height: 24px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.field:last-child { margin-bottom: 0; }
.label { font-size: 11px; color: var(--fg-2); }
.hint { margin: 0 0 8px; color: var(--fg-2); }
.status { margin: 0; padding: 8px 12px; min-height: 1.5em; color: var(--fg-2); }
.status.warn { color: var(--k-red); }
.foot { margin: 0; padding: 0 12px 16px; color: var(--fg-2); font-size: 11px; }

/* Files: rows stack with no gap, so they are square; the open one has an accent edge. */
.files { list-style: none; margin: 0 -12px; padding: 0; }
.files.drop { outline: 2px dashed var(--accent); outline-offset: -2px; }
.file {
  min-height: 32px; display: flex; align-items: center; gap: 4px; padding: 4px 8px 4px 12px; cursor: pointer;
  border-left: 2px solid transparent;
}
.file:hover { background: var(--hover); }
.file.open { background: rgba(13, 153, 255, 0.16); border-left-color: var(--accent); }
.file-text { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.file-name { font-weight: 500; }
.file-sub { color: var(--fg-2); font-size: 11px; }

/* Highlight words: pills. */
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 4px; margin: 8px 0 0; padding: 0; }
.chip {
  display: inline-flex; align-items: center; gap: 2px; padding: 0 2px 0 8px; min-height: 24px;
  border-radius: 12px; background: var(--hover); font-family: var(--card-font); font-weight: 800;
}
.chip.white { color: var(--k-white); }
.chip.green { color: var(--k-green); }
.chip.red { color: var(--k-red); }
.chip .icon-btn { width: 20px; height: 20px; border-radius: 10px; }

.help summary { cursor: pointer; list-style: none; }
.help summary::before { content: "▸ "; color: var(--fg-2); }
.help[open] summary::before { content: "▾ "; }
.help-body { margin-top: 8px; color: var(--fg-2); }
.help-body b { color: var(--fg); }
.help pre {
  white-space: pre-wrap; overflow-wrap: anywhere; margin: 8px 0; padding: 8px; border-radius: 6px; background: var(--canvas);
  font: 11px/1.5 ui-monospace, Consolas, "Noto Sans KR", monospace; color: var(--fg);
}

/* ------------------------------------------------------------ the canvas */
.stage { flex: 1; min-width: 0; overflow: auto; position: relative; padding: 32px; }
.sheet { position: relative; margin: 0 auto; }
.sheet canvas { display: block; width: 100%; height: auto; }
.hover-box, .selected-box { position: absolute; pointer-events: none; border: 1px solid var(--accent); border-radius: 2px; }
.selected-box { border-width: 2px; }

/* The in-place editor: the card's own type, scaled with the zoom (--z). */
.editor {
  position: absolute; z-index: 2; outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px;
  background: var(--card); color: var(--k-white); font-family: var(--card-font);
  white-space: pre-wrap; word-break: keep-all; overflow-wrap: anywhere; caret-color: var(--accent);
}
.editor:focus { outline-color: var(--accent); }
.editor.band { background: #2e2e2e; }
.editor .k-official { color: var(--k-green); font-weight: 800; }
.editor .k-inferred, .editor .k-provisional { color: var(--k-white); font-weight: 800; }
.editor .k-unknown { color: var(--k-red); font-weight: 800; }

/* Floating toolbar and popovers. */
.toolbar {
  position: absolute; z-index: 3; display: flex; flex-wrap: wrap; align-items: center; gap: 4px; padding: 4px;
  min-height: 32px; max-width: min(720px, 100%); background: var(--chrome); border: 1px solid var(--line);
  border-radius: 8px; box-shadow: 0 4px 16px rgba(0, 0, 0, 0.45);
}
.toolbar .sep { width: 1px; align-self: stretch; background: var(--line); margin: 0 4px; }
.toolbar .btn { min-height: 24px; padding: 2px 8px; border-color: transparent; }
.toolbar .btn:hover { background: var(--hover); }
.toolbar .btn.on { background: var(--hover); box-shadow: inset 0 -2px 0 var(--accent); }
.toolbar .swatch { font-family: var(--card-font); font-weight: 800; }
.toolbar .swatch.white { color: var(--k-white); }
.toolbar .swatch.green { color: var(--k-green); }
.toolbar .swatch.red { color: var(--k-red); }
.toolbar .swatch.plain { font-weight: 400; color: var(--fg-2); }

.popover {
  position: fixed; z-index: 5; width: 280px; max-width: calc(100vw - 16px); padding: 12px;
  background: var(--chrome); border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}
.popover h3 { margin: 0 0 8px; font-size: 11px; font-weight: 600; color: var(--fg-2); }
.popover .grid { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 8px; align-items: center; }
.popover .icons { display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 4px; }
.popover .icon-choice {
  display: flex; align-items: center; gap: 8px; min-height: 32px; padding: 4px 8px; border: 0; border-radius: 6px;
  background: transparent; cursor: pointer; text-align: left;
}
.popover .icon-choice:hover, .popover .icon-choice:focus-visible { background: var(--hover); outline: none; }
.popover .icon-choice .glyph { font-family: var(--card-font); font-size: 18px; min-width: 24px; text-align: center; }
.popover .actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; justify-content: flex-end; }

@media (max-width: 760px) {
  body { height: auto; }
  .app { flex-direction: column; }
  .panel { width: auto; border-right: 0; border-bottom: 1px solid var(--line); overflow: visible; }
  .stage { padding: 16px; overflow: visible; }
}

.mark-info { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 8px; margin: 0 0 8px; }
.mark-info dt { color: var(--fg-2); }
.mark-info dd { margin: 0; font-variant-numeric: tabular-nums; }

[hidden] { display: none !important; }
.field > .segmented, .field > select { align-self: flex-start; }
.zoom-level { min-width: 44px; text-align: right; color: var(--fg-2); font-variant-numeric: tabular-nums; }
.toolbar .swatch.on { background: var(--hover); box-shadow: inset 0 -2px 0 var(--accent); }
.keys { width: 100%; border-collapse: collapse; }
.keys td { padding: 4px 0; vertical-align: top; border-top: 1px solid var(--line); }
.keys td:first-child { padding-right: 12px; white-space: nowrap; }
kbd { display: inline-block; min-width: 20px; padding: 0 4px; border: 1px solid var(--line); border-radius: 4px; background: var(--canvas); font: 11px/18px var(--ui); text-align: center; }
.popover.wide { width: 360px; max-height: calc(100vh - 32px); overflow-y: auto; }
.field > input[type="text"] { flex: none; width: 100%; }