/* LINE Seed JP — shipped with the app (assets/fonts, SIL OFL 1.1). One family, four
   weights; a text's fontFamily holds the face's full name (see js/fonts.js). */
@font-face { font-family: 'LINE Seed JP';           font-weight: 100; font-style: normal; font-display: swap; src: url('assets/fonts/LINESeedJP-Thin.woff2') format('woff2'); }
@font-face { font-family: 'LINE Seed JP';           font-weight: 400; font-style: normal; font-display: swap; src: url('assets/fonts/LINESeedJP-Regular.woff2') format('woff2'); }
@font-face { font-family: 'LINE Seed JP';           font-weight: 700; font-style: normal; font-display: swap; src: url('assets/fonts/LINESeedJP-Bold.woff2') format('woff2'); }
@font-face { font-family: 'LINE Seed JP';           font-weight: 800; font-style: normal; font-display: swap; src: url('assets/fonts/LINESeedJP-ExtraBold.woff2') format('woff2'); }

/* ============================================================
   LeathercraftCAD Lite — Dark Theme
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-dark:      #1a1a1e;
  --bg-panel:     #26262c;
  --bg-pane:      #1e1e24;
  --bg-hover:     #35353e;
  --bg-active:    #4a3f28;
  --border:       #3a3a45;
  --border-light: #50505e;
  --accent:       #c8922a;
  --accent-light: #e8b44a;
  --text:         #d8d4cc;
  --text-dim:     #888884;
  --text-bright:  #f0ece4;
  --canvas-bg:    #f8f6f0;
  --tool-size:    42px;
  --left-w:       52px;
  --right-w:      280px;
  --top-h:        44px;
  --bottom-h:     34px;
  --status-h:     24px;
}

html, body { width: 100%; height: 100%; overflow: hidden; background: var(--bg-dark); color: var(--text); font-family: 'Segoe UI', 'Noto Sans JP', system-ui, sans-serif; font-size: 12px; }

#app {
  display: grid;
  grid-template-rows: var(--top-h) 1fr auto var(--status-h);
  grid-template-columns: 1fr;
  width: 100vw;
  height: 100vh;                        /* fallback */
  height: var(--app-height, 100dvh);    /* iOS: set dynamically via window.innerHeight */
  overflow: hidden;
}

/* ---- Top Pane ---- */
#top-pane {
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 8px;
  gap: 8px;
  overflow: hidden;
}

#app-logo {
  flex: none;
  display: flex;
  align-items: center;
  height: var(--top-h);
  margin-right: 6px;
  text-decoration: none;
  cursor: default;
}
#app-logo img {
  height: 40px;              /* source 150×48 CSS px (rendered at 6×) */
  width: auto;
  display: block;
}

#tool-options-container {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.tool-option-label {
  color: var(--accent);
  font-weight: 600;
  font-size: 11px;
  white-space: nowrap;
  min-width: 60px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#tool-name-display {
  color: var(--accent-light);
  font-weight: 700;
  font-size: 12px;
  white-space: nowrap;
  padding: 3px 8px;
  background: var(--bg-active);
  border-radius: 3px;
  min-width: 64px;
  text-align: center;
}

#tool-options {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  flex-wrap: nowrap;
  overflow-x: auto;
}

.top-option {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.top-option label { color: var(--text-dim); font-size: 11px; }

.top-option input[type="text"],
.top-option input[type="number"] {
  width: 72px;
  background: var(--bg-dark);
  border: 1px solid var(--border-light);
  color: var(--text-bright);
  padding: 3px 5px;
  border-radius: 3px;
  font-size: 11px;
  font-family: 'Consolas', monospace;
  text-align: right;
}

.top-option input:focus { outline: none; border-color: var(--accent); }

/* Hide native number-input spinners app-wide — wheel adjusts the value
   instead (see js/ui/numberInputWheel.js), and the spinner arrows would
   otherwise eat horizontal space and obscure decimal places. Scoped
   selectors below match the existing .top-option specificity. */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button,
.top-option input[type="number"]::-webkit-inner-spin-button,
.top-option input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none !important;
  appearance: none !important;
  display: none !important;
  margin: 0 !important;
  width: 0 !important;
}
input[type="number"],
.top-option input[type="number"] {
  -moz-appearance: textfield !important;
  appearance: textfield !important;
}

.top-option button {
  background: var(--bg-hover);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 3px 8px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 11px;
}
.top-option button:hover { background: var(--bg-active); border-color: var(--accent); }
.top-option button.active { background: var(--accent); color: #fff; border-color: var(--accent-light); }

.top-sep { width: 1px; height: 22px; background: var(--border); margin: 0 4px; }

/* ---- Main Area ---- */
#main-area {
  display: flex;
  overflow: hidden;
  position: relative;
}

/* ---- Left Pane ---- */
#left-pane {
  width: var(--left-w);
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 4px 0;
  overflow-y: auto;
  overflow-x: hidden;
  flex-shrink: 0;
  gap: 2px;
}

/* 元に戻す／やり直しの段: ツール列が縦に収まらずスクロールしても上端に
   留まる。下を流れるボタンを隠すため背景を塗る（top は #left-pane の
   padding-top 分だけ持ち上げて、隙間から覗かせない）。 */
#left-pane-pinned {
  position: sticky;
  top: -4px;
  z-index: 1;
  width: 100%;
  margin-top: -4px;
  padding-top: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
  background: var(--bg-panel);
}

.tool-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  width: 100%;
  padding: 0 4px;
}

.tool-btn {
  width: 40px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text-dim);
  transition: background 0.1s, color 0.1s, border-color 0.1s;
  flex-shrink: 0;
}

.tool-btn svg {
  width: 20px;
  height: 20px;
  pointer-events: none;
}

.tool-btn:hover {
  background: var(--bg-hover);
  color: var(--text-bright);
  border-color: var(--border-light);
}

.tool-btn.active {
  background: var(--bg-active);
  color: var(--accent-light);
  border-color: var(--accent);
}

.tool-btn:focus,
.tool-btn:focus-visible {
  outline: none;
}

.tool-separator {
  width: 32px;
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

/* ツール名ラベル（ToolLabels.js）: マウスが左パネルに入った間だけ右隣に
   重ねて出す。各行はボタンと同じ高さ・同じ top に置く。 */
.tool-btn.label-hover {
  background: var(--bg-hover);
  color: var(--text-bright);
  border-color: var(--border-light);
}
#tool-labels {
  position: fixed;
  z-index: 60;
  min-width: 96px;
  overflow: hidden;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  box-shadow: 4px 0 12px rgba(0,0,0,0.35);
}
#tool-labels .tool-label {
  position: absolute;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px 0 6px;
  white-space: nowrap;
  font-size: 12.5px;
  color: var(--text-dim);
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  box-sizing: border-box;
}
#tool-labels .tool-label .name { flex: 1; }
#tool-labels .tool-label kbd {
  font-family: inherit;
  font-size: 11px;
  color: var(--text-dim);
  opacity: 0.75;
}
#tool-labels .tool-label.hover,
#tool-labels .tool-label:hover {
  background: var(--bg-hover);
  color: var(--text-bright);
  border-color: var(--border-light);
}
#tool-labels .tool-label.active {
  color: var(--accent-light);
}

/* ペン用ツールチップ（PenTooltips.js）: iPad の Safari は title を出さない
   ので、Apple Pencil をかざした時だけ同じ文言をこれで出す。 */
#pen-tooltip {
  position: fixed;
  z-index: 10000;
  max-width: 280px;
  padding: 4px 8px;
  border-radius: 4px;
  background: rgba(20, 20, 24, 0.95);
  border: 1px solid var(--border-light);
  color: var(--text-bright);
  font-size: 12px;
  line-height: 1.4;
  white-space: pre-line;
  pointer-events: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

/* ---- Center Pane ---- */
#center-pane {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: #2a2a30;
}

#main-canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
  touch-action: none;
}

/* ---- Edge rulers (X/Y bars + corner toggle) ---- */
.edge-ruler {
  position: absolute;
  background: #1f1f24;
  pointer-events: none;
  z-index: 5;
}
#ruler-x {
  top: 0;
  left: 22px;
  width: calc(100% - 22px);
  height: 22px;
  border-bottom: 1px solid #444;
}
#ruler-y {
  top: 22px;
  left: 0;
  width: 22px;
  height: calc(100% - 22px);
  border-right: 1px solid #444;
}
#ruler-corner {
  top: 0;
  left: 0;
  width: 22px;
  height: 22px;
  border-right: 1px solid #444;
  border-bottom: 1px solid #444;
  pointer-events: auto;
  cursor: pointer;
}
#ruler-corner:hover {
  background: #2a2a32;
}

/* ---- Right Pane ---- */
#right-pane {
  width: var(--right-w);
  background: var(--bg-pane);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: row;
  flex-shrink: 0;
  overflow: hidden;
}

#r1-pane {
  width: 150px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#r2-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
}

/* ---- Recording column (r1.5): controls + step list ---- */
/* Only present while the recording UI is on; main.js adds the body class so the
   right pane grows by exactly this column's width instead of squeezing the others. */
body.has-steps-pane { --right-w: 470px; }

#rsteps-pane {
  width: 190px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  flex-shrink: 0;
}

#recording-panel-container {
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

/* The transport buttons share a row instead of stacking full-width, so the
   step list below them keeps its space. */
#recording-panel .file-btn {
  width: auto;
  flex: 1 1 auto;
  min-width: 0;
  text-align: center;
  padding: 4px 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* The list takes what the controls leave, but never shrinks to nothing —
   on a short window the whole column scrolls instead. */
#step-list-panel {
  flex: 1 1 auto;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#step-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
}

#step-list .step-empty {
  padding: 10px 8px;
  font-size: 11px;
  color: var(--text-dim);
}

.step-row {
  display: flex;
  gap: 5px;
  align-items: flex-start;
  padding: 4px 6px 4px 5px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  border-left: 3px solid transparent;
  font-size: 11px;
  line-height: 1.35;
  cursor: pointer;
  color: var(--text);
}
.step-row:hover { background: var(--bg-hover, #2e2e36); }
.step-row.done  { color: var(--text-dim); }
.step-row.current {
  background: rgba(232,180,74,0.14);
  border-left-color: #e8b44a;
  color: var(--text-bright, #eee);
}
.step-row .step-no {
  flex-shrink: 0;
  min-width: 18px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--text-dim);
  font-size: 10px;
  padding-top: 1px;
}
.step-row.current .step-no { color: #e8b44a; font-weight: 600; }
.step-row .step-body { flex: 1; min-width: 0; word-break: break-word; }
.step-row .step-note {
  margin-top: 2px;
  padding-left: 5px;
  border-left: 2px solid #4a8a4a;
  color: #a8cfa8;
  font-size: 10px;
  white-space: pre-wrap;
}
.step-row .step-memo-btn {
  flex-shrink: 0;
  background: transparent;
  border: 0;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 11px;
  padding: 0 2px;
  line-height: 1.3;
  opacity: 0.35;
}
.step-row:hover .step-memo-btn { opacity: 1; }
.step-row .step-memo-btn.has-note { opacity: 1; color: #7bbf7b; }
.step-row textarea.step-note-edit {
  width: 100%;
  margin-top: 3px;
  background: #1c1c22;
  color: #ddd;
  border: 1px solid #555;
  border-radius: 3px;
  font: 11px/1.4 inherit;
  padding: 3px 4px;
  resize: vertical;
  min-height: 42px;
  box-sizing: border-box;
}

/* ---- Replay HUD (top-left of the canvas): what is happening + author memo ---- */
#replay-hud {
  position: absolute;
  top: 30px;
  left: 30px;
  max-width: min(46%, 420px);
  z-index: 40;
  pointer-events: none;
  background: rgba(0,0,0,0.72);
  border: 1px solid rgba(100,220,100,0.55);
  border-radius: 6px;
  padding: 8px 11px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.45);
}
/* 再生中／一時停止中の札。面取りした緑枠に白抜き ―― 枠の色は解説枠と同じ。
   再生中はゆっくり明滅、一時停止中ははっきり点滅（止まっている画面で唯一
   動くものが「待っている」合図になる）。 */
/* 操作ガイドの吹き出し（図面の左上）。デスクトップ版と同じ置き場所で、
   作図中の「次に何をするか」を目の行く所に出す。 */
#tool-guide {
  position: absolute;
  top: 30px;
  left: 30px;
  max-width: min(46%, 420px);
  z-index: 39;
  pointer-events: none;
  font-size: 13px;
  line-height: 1.45;
  white-space: pre-wrap;
  color: #fdf3d8;
  background: rgba(28,24,16,0.86);
  border: 1px solid rgba(232,180,74,0.75);
  border-radius: 8px;
  padding: 7px 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.45);
}
/* 吹き出しのしっぽ（左下） */
#tool-guide::after {
  content: '';
  position: absolute;
  left: 16px;
  bottom: -7px;
  width: 11px;
  height: 11px;
  background: inherit;
  border-right: 1px solid rgba(232,180,74,0.75);
  border-bottom: 1px solid rgba(232,180,74,0.75);
  transform: rotate(45deg);
  border-bottom-right-radius: 2px;
}
#tool-guide.warn {
  color: #ffe2e2;
  background: rgba(58,20,20,0.88);
  border-color: rgba(255,107,107,0.8);
}
#tool-guide.warn::after {
  border-right-color: rgba(255,107,107,0.8);
  border-bottom-color: rgba(255,107,107,0.8);
}

#replay-hud .hud-badge {
  display: inline-block;
  margin-bottom: 5px;
  padding: 2px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: #ffffff;
  background: rgba(52,132,52,0.9);
  border: 1.5px solid rgba(100,220,100,0.9);
  /* 四隅を丸める。clip-path で切り落とすと角の枠線まで消えてしまうので、
     border-radius にして枠がぐるりと一周するようにしている。 */
  border-radius: 7px;
}
#replay-hud .hud-badge.playing { animation: lc-hud-pulse 1.9s ease-in-out infinite; }
#replay-hud .hud-badge.paused  { animation: lc-hud-blink 1.1s steps(1, end) infinite; }
@keyframes lc-hud-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }
@keyframes lc-hud-blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0.18; } }
/* 学習モードのボタン（続ける／もう一度）。HUD 自体はクリックを通すので、
   受け取るのはボタンだけ。図面の上に置いた札が当たり判定を持つと、
   その下を描けなくなる。 */
#replay-hud .hud-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
#replay-hud .hud-btn {
  pointer-events: auto;
  background: #2b2b33; color: #ddd8cc; border: 1px solid #55555f;
  border-radius: 5px; padding: 4px 12px; font-size: 12px; cursor: pointer;
  white-space: nowrap;
}
#replay-hud .hud-btn:hover { border-color: #7a7a88; color: #fff; }
#replay-hud .hud-btn.primary { background: #3a6ea8; border-color: #4f86c4; color: #fff; font-weight: 600; }
#replay-hud .hud-btn.primary:hover { background: #4579b5; }
#replay-hud .hud-actions + .hud-actions { margin-top: 5px; }
#replay-hud .hud-warn {
  margin-top: 6px; padding: 5px 8px; border-radius: 5px;
  background: rgba(150,105,20,0.28); border: 1px solid rgba(232,180,74,0.8);
  color: #ffd98a; font-size: 12px; line-height: 1.45;
}
#replay-hud .hud-btn.small { padding: 2px 9px; font-size: 11px; color: #bdb8ad; }
#replay-hud .hud-badge.ready {
  background: rgba(58,110,168,0.92);
  border-color: rgba(120,170,225,0.95);
}
#replay-hud .hud-badge.waiting {
  /* 学習モードは「待っている」ので、緑ではなく手番の色（金）で出す。
     点滅は一時停止と同じ ―― 画面が止まっているときに動くものが合図になる。 */
  background: rgba(150,105,20,0.92);
  border-color: rgba(232,180,74,0.95);
  animation: lc-hud-blink 1.1s steps(1, end) infinite;
}
@media (prefers-reduced-motion: reduce) {
  #replay-hud .hud-badge.playing,
  #replay-hud .hud-badge.waiting,
  #replay-hud .hud-badge.paused { animation: none; opacity: 1; }
}

/* ---- The lesson's own words (author side): a small two-field editor ---- */
.lesson-dlg-back {
  position: fixed; inset: 0; z-index: 4300;
  background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center;
}
.lesson-dlg {
  width: min(520px, 92vw);
  background: #222; color: var(--text, #d8d4cc);
  border: 1px solid #3a3a45; border-radius: 10px;
  padding: 18px 20px; box-shadow: 0 8px 28px rgba(0,0,0,0.55);
}
.lesson-dlg h3 { margin: 0 0 12px; font-size: 15px; color: #e8b44a; }
.lesson-dlg label { display: block; margin: 10px 0 4px; font-size: 12px; color: #aaa; }
.lesson-dlg textarea {
  width: 100%; box-sizing: border-box; resize: vertical;
  background: #1a1a1e; color: #eee; border: 1px solid #555; border-radius: 4px;
  padding: 7px 9px; font-size: 13px; line-height: 1.5; font-family: inherit;
}
.lesson-dlg label.check { display: flex; align-items: center; gap: 7px; margin-top: 14px; font-size: 13px; color: var(--text, #d8d4cc); cursor: pointer; }
.lesson-dlg .count { margin-top: 3px; font-size: 11px; color: #888; text-align: right; }
.lesson-dlg .btns { display: flex; gap: 8px; justify-content: flex-end; margin-top: 14px; }
.lesson-dlg .btns button {
  background: #444; color: #fff; border: 0; border-radius: 5px;
  padding: 7px 16px; font-size: 13px; cursor: pointer;
}
.lesson-dlg .btns button.primary { background: #3a6ea8; }

/* ---- Demonstration hints: where it clicked, and how far the next point is ----
   Pinned to world coordinates (repositioned every frame), so they stay put
   while the camera moves. They never take the pointer. */
.demo-hints { position: fixed; inset: 0; pointer-events: none; z-index: 4150; }
.demo-pin, .demo-delta { position: fixed; pointer-events: none; white-space: nowrap; }
.demo-pin .dh-dot {
  position: absolute; left: -4px; top: -4px; width: 8px; height: 8px;
  border-radius: 50%; background: #ffcc00; box-shadow: 0 0 0 2px rgba(0,0,0,0.55);
}
.demo-pin .dh-label {
  position: absolute; left: 9px; top: 5px;
  background: rgba(20,18,12,0.92); color: #ffe9a8;
  border: 1px solid rgba(232,180,74,0.7); border-radius: 4px;
  padding: 2px 6px; font-size: 11px; line-height: 1.3;
}
.demo-delta {
  transform: translate(14px, -26px);
  background: rgba(12,20,28,0.92); color: #cfe6ff;
  border: 1px solid rgba(110,170,225,0.75); border-radius: 4px;
  padding: 2px 7px; font-size: 11.5px; line-height: 1.3;
  font-variant-numeric: tabular-nums;
}

/* ---- Pointer ghost (learn mode): a cursor that can leave the canvas ----
   Shows where a hand would go for moves that happen on the toolbar or a
   panel, which the canvas's own virtual cursor cannot reach. */
.pointer-ghost {
  position: fixed;
  z-index: 4200;
  pointer-events: none;
  margin: -3px 0 0 -3px;          /* the arrow's tip, not its box, sits on the point */
  filter: drop-shadow(0 2px 3px rgba(0,0,0,0.55));
}
.pointer-ghost .pg-ring {
  position: absolute;
  left: 1px; top: 1px;
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 2px solid #e8b44a;
  opacity: 0;
}
.pointer-ghost .pg-ring.bloom { animation: lc-pg-bloom 0.45s ease-out 1; }
@keyframes lc-pg-bloom {
  0%   { opacity: 0.95; transform: translate(0, 0) scale(0.4); }
  100% { opacity: 0;    transform: translate(-13px, -13px) scale(3.6); }
}
@media (prefers-reduced-motion: reduce) {
  .pointer-ghost .pg-ring.bloom { animation-duration: 0.01s; }
}

/* ---- Coach mark (learn mode): the ring over the control to press next ----
   Sits above the panels but takes no clicks — the button underneath has to
   stay pressable, since pressing it is the whole point. */
.coach-ring {
  position: fixed;
  z-index: 4100;
  pointer-events: none;
  border: 2px solid #e8b44a;
  border-radius: 8px;
  box-shadow: 0 0 0 3px rgba(232,180,74,0.22), 0 0 14px rgba(232,180,74,0.5);
}
.coach-ring.nudge { animation: lc-coach-nudge 0.9s ease-out 3; }
@keyframes lc-coach-nudge {
  0%   { box-shadow: 0 0 0 3px rgba(232,180,74,0.22), 0 0 14px rgba(232,180,74,0.5); }
  35%  { box-shadow: 0 0 0 9px rgba(232,180,74,0.05), 0 0 22px rgba(232,180,74,0.8); }
  100% { box-shadow: 0 0 0 3px rgba(232,180,74,0.22), 0 0 14px rgba(232,180,74,0.5); }
}
.coach-bubble {
  position: fixed;
  z-index: 4100;
  pointer-events: none;
  max-width: 190px;
  padding: 5px 9px;
  font-size: 12px;
  line-height: 1.4;
  color: #f2ede2;
  background: rgba(28,24,16,0.94);
  border: 1px solid #c8922a;
  border-radius: 6px;
  box-shadow: 0 3px 12px rgba(0,0,0,0.5);
}
/* openPeek の吹き出し: ゆっくり点滅して目を引く */
.coach-bubble.blink { animation: lc-coach-blink 1s ease-in-out infinite; }
@keyframes lc-coach-blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.35; }
}
@media (prefers-reduced-motion: reduce) {
  .coach-ring.nudge { animation: none; }
  .coach-bubble.blink { animation: none; }
}
#replay-hud .hud-step {
  font-size: 10px;
  color: #e8b44a;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}
#replay-hud .hud-caption {
  font-size: 14px;
  line-height: 1.4;
  color: #eaffea;
  white-space: pre-wrap;
}
#replay-hud .hud-note {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid rgba(255,255,255,0.15);
  font-size: 12px;
  line-height: 1.5;
  color: #ffe6a8;
  white-space: pre-wrap;
}

/* Panel sections */
#linestyle-panel, #layer-panel, #file-panel, #view-panel {
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

#layer-panel { flex: 1; overflow: hidden; display: flex; flex-direction: column; }

.panel-header {
  background: var(--bg-panel);
  color: var(--text-dim);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 5px 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.panel-header button {
  background: transparent;
  border: none;
  color: var(--accent-light);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0 2px;
}
.panel-header button:hover { color: #fff; }

/* Line Style Palette */
#linestyle-content {
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.linestyle-row {
  display: flex;
  align-items: center;
  gap: 5px;
}

.linestyle-row label { color: var(--text-dim); font-size: 10px; min-width: 28px; }

.color-swatch {
  width: 20px;
  height: 20px;
  border-radius: 3px;
  border: 1px solid var(--border-light);
  cursor: pointer;
  flex-shrink: 0;
}

.linestyle-select {
  flex: 1;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 2px 3px;
  border-radius: 3px;
  font-size: 10px;
  cursor: pointer;
}

.linestyle-select:focus { outline: none; border-color: var(--accent); }

.width-input {
  width: 36px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  color: var(--text-bright);
  padding: 2px 3px;
  border-radius: 3px;
  font-size: 10px;
  font-family: 'Consolas', monospace;
  text-align: right;
}

.width-input:focus { outline: none; border-color: var(--accent); }

/* Layer Panel */
#layer-list {
  overflow-y: auto;
  flex: 1;
}

.layer-item {
  display: flex;
  align-items: center;
  padding: 4px 6px;
  gap: 5px;
  cursor: pointer;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  transition: background 0.1s;
}

.layer-item:hover { background: var(--bg-hover); }
.layer-item.active { background: var(--bg-active); }

.layer-color {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.3);
  flex-shrink: 0;
  cursor: pointer;
}

.layer-name {
  flex: 1;
  font-size: 11px;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layer-name input {
  width: 100%;
  background: var(--bg-dark);
  border: 1px solid var(--accent);
  color: var(--text-bright);
  padding: 1px 3px;
  font-size: 11px;
  border-radius: 2px;
}
.layer-name input:focus { outline: none; }

.layer-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 12px;
  line-height: 1;
  padding: 1px 2px;
  border-radius: 2px;
  flex-shrink: 0;
}
.layer-btn:hover { color: var(--text-bright); background: var(--bg-hover); }
.layer-btn.active { color: var(--accent-light); }

/* File Panel */
#file-buttons {
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.file-btn {
  width: 100%;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 8px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 11px;
  text-align: left;
  transition: background 0.1s, border-color 0.1s;
}

.file-btn:hover {
  background: var(--bg-active);
  border-color: var(--accent);
  color: var(--text-bright);
}

.file-btn-separator {
  color: var(--text-dim);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 5px 2px 2px;
  border-top: 1px solid var(--border);
  margin-top: 3px;
}

/* Grid Panel */
#grid-options, #view-options {
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.option-row {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text-dim);
}
.option-row span { flex: 1; }
/* 表示セクションの小見出し（革シミュレーター ―― ボタンではない、ただの見出し） */
.view-subheader {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 4px;
  padding-top: 5px;
  border-top: 1px solid var(--border);
}

.unit-toggle {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.unit-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 3px 7px;
  cursor: pointer;
  font-size: 11px;
  transition: background 0.1s, color 0.1s;
}
.unit-btn:hover { background: var(--bg-hover); color: var(--text); }
.unit-btn.active { background: var(--accent); color: #fff; }

.num-input {
  width: 50px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  color: var(--text-bright);
  padding: 2px 4px;
  border-radius: 3px;
  font-size: 11px;
  font-family: 'Consolas', monospace;
  text-align: right;
}
.num-input:focus { outline: none; border-color: var(--accent); }

#view-options .file-btn { padding: 4px 8px; font-size: 11px; }

/* ---- Drawing check (lint) ----
   オン・オフと種別チップは設定ダイアログの「検図」タブ（#lint-options を
   運び込む）。送りと修復は、警告を表示している間だけキャンバス上部中央の
   #lint-float に出す。 */
#lint-float {
  position: absolute;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: flex;
  flex-wrap: wrap;            /* キャンバスが狭い時は2段に（右ペインの下に潜らせない） */
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: max-content;
  max-width: calc(100% - 40px);
  box-sizing: border-box;
  padding: 4px 6px 4px 12px;
  background: rgba(30, 30, 36, 0.92);
  border: 1px solid #4a4a52;
  border-radius: 16px;
  box-shadow: 0 3px 12px rgba(0,0,0,0.45);
  font-size: 12px;
  color: var(--text);
  white-space: nowrap;
}
#lint-float[hidden] { display: none; }
#lint-float .lint-float-title { color: #e8a33d; font-weight: 600; margin-right: 4px; }
#lint-float button {
  background: transparent;
  color: var(--text-bright);
  border: 1px solid #55555e;
  border-radius: 12px;
  padding: 3px 10px;
  font-size: 12px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
#lint-float button:hover:not(:disabled) { background: var(--bg-hover); }
#lint-float button:disabled { opacity: 0.35; cursor: default; }
#lint-float .lint-float-icon { border-color: transparent; padding: 3px 7px; }

#lint-kinds {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
/* 種別チップ。押すとその種別を伏せる。件数はフィルタ前の数を出すので、
   伏せた種別も「何件あったか」は読めたままになる。 */
.lint-chip {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 10px;
  padding: 2px 8px;
  font-size: 10px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.1s, color 0.1s, opacity 0.1s;
}
.lint-chip:hover { background: var(--bg-hover); color: var(--text); }
/* 0 件の種別は主張しない。伏せた種別は取り消し線で「今は見ていない」と示す。 */
.lint-chip.empty { opacity: 0.45; }
.lint-chip.off { text-decoration: line-through; opacity: 0.4; }

#lint-position {
  min-width: 4.5em;
  text-align: center;
  font-size: 11px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* 押せないボタンは押せないように見せる。.file-btn は :hover で明るくなるので、
   disabled を素通しにすると「押せるのに何も起きない」に見えていた。 */
.file-btn:disabled,
.file-btn:disabled:hover {
  opacity: 0.4;
  cursor: default;
  background: var(--bg-hover);
  border-color: var(--border);
  color: var(--text-dim);
}

/* 検図の警告の説明の箱。desktop と同じく作図領域の左上に、種別の色（隙間=橙、
   重なり=紫、軸ずれ=金、T字=青緑）で「種別の説明 ＋ 実測値と座標」を出す。
   背景色は CanvasController が種別ごとに入れる。 */
#lint-tip {
  position: fixed;
  z-index: 9998;
  pointer-events: none;
  padding: 5px 10px;
  border-radius: 4px;
  background: #444;
  color: #fff;
  font-size: 12px;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
  box-shadow: 0 4px 14px rgba(0,0,0,0.45);
  white-space: pre-wrap;
}
#lint-tip b { color: #fff; font-weight: 700; }

/* ---- Bottom Pane ---- */
#bottom-pane {
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 0 10px;
}
#bottom-pane > #coord-input-area { min-height: var(--bottom-h); }
#memo-area { padding: 0 0 6px; }
#memo-text {
  display: block; width: 100%; box-sizing: border-box;
  min-height: 48px; max-height: 40vh; resize: vertical;
  background: var(--bg-dark); color: var(--text); border: 1px solid var(--border);
  border-radius: 4px; padding: 6px 8px; font-size: 12px; line-height: 1.5;
  font-family: inherit;
}
#memo-text:focus { outline: 1px solid var(--accent); }

#coord-input-area {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  width: 100%;
}

.coord-label { color: var(--text-dim); white-space: nowrap; }

.coord-input {
  width: 80px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  color: var(--text-bright);
  padding: 2px 5px;
  border-radius: 3px;
  font-size: 11px;
  font-family: 'Consolas', monospace;
}
.coord-input:focus { outline: none; border-color: var(--accent); }

.small-btn {
  background: var(--bg-hover);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 2px 8px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 11px;
}
.small-btn:hover { background: var(--bg-active); border-color: var(--accent); }

.pipe-sep { color: var(--border-light); }

#selection-info { color: var(--accent-light); font-family: 'Consolas', monospace; }
#cursor-world-coords { color: var(--text-bright); font-family: 'Consolas', monospace; }

/* ---- Status Bar ---- */
#status-bar {
  background: #141418;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 10px;
  gap: 6px;
  font-size: 11px;
  font-family: 'Consolas', monospace;
  color: var(--text-dim);
}

#sb-coords { color: var(--text-bright); min-width: 180px; }
.sb-sep { color: var(--border-light); }
#sb-tool { color: var(--accent-light); }
/* 検図の件数。0 件のときは出さない ―― 知らせるべき問題が無いのに
   常駐させると、ただの飾りになる。 */
#sb-lint { color: #e8a33d; }
#sb-zoom { color: var(--text); }

.clickable {
  cursor: pointer;
  padding: 1px 5px;
  border-radius: 2px;
  transition: background 0.1s;
}
.clickable:hover { background: var(--bg-hover); color: var(--text-bright); }

/* 単位はタブレットでも押して切り替えるので、ボタンに見える枠を付ける */
#sb-units {
  color: var(--accent-light);
  border: 1px solid var(--border-light);
  border-radius: 3px;
}
#sb-snap { color: #4caf82; }
#sb-snap.off { color: #a04040; }
#sb-shapes { margin-left: auto; color: var(--text-dim); }

/* ---- Modal ---- */
#modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

#modal-overlay.hidden { display: none; }

#modal-box {
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  min-width: 320px;
  max-width: 480px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.6);
}

#modal-title {
  padding: 12px 16px;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-bright);
  border-bottom: 1px solid var(--border);
}

#modal-body {
  padding: 16px;
  color: var(--text);
  font-size: 12px;
  line-height: 1.6;
}

#modal-footer {
  padding: 10px 16px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  border-top: 1px solid var(--border);
}

#modal-ok, #modal-cancel {
  padding: 5px 16px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  border: 1px solid var(--border);
}

#modal-ok { background: var(--accent); color: #fff; border-color: var(--accent-light); }
#modal-ok:hover { background: var(--accent-light); }
#modal-cancel { background: var(--bg-hover); color: var(--text); }
#modal-cancel:hover { background: var(--bg-dark); }

/* ---- SVG Import Modal ---- */
#modal-box { min-width: 340px; max-width: 520px; }

#svg-drop-zone {
  border: 2px dashed var(--border-light);
  border-radius: 6px;
  padding: 28px 16px;
  text-align: center;
  cursor: pointer;
  color: var(--text-dim);
  font-size: 12px;
  transition: border-color 0.15s, background 0.15s;
  margin-bottom: 8px;
}
#svg-drop-zone:hover, #svg-drop-zone.drag-over {
  border-color: var(--accent-light);
  background: rgba(200, 146, 42, 0.07);
  color: var(--text);
}
#svg-file-info {
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 12px;
  min-height: 16px;
}
#svg-mode-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.svg-mode-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text);
}
.svg-mode-label input[type="radio"] { accent-color: var(--accent); }

/* ---- Scrollbars ---- */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ---- Selection handle ---- */
.selection-dot {
  position: absolute;
  width: 8px; height: 8px;
  background: var(--accent-light);
  border: 1px solid #fff;
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
}

/* ---- Language switcher ---- */
#lang-switcher {
  display: flex;
  align-items: center;
  padding: 0 6px;
  flex-shrink: 0;
  margin-left: auto;
}

#lang-select {
  background: var(--bg-panel);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 4px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  line-height: 1.7;
  outline: none;
}

#lang-select:hover {
  color: var(--text-bright);
  border-color: var(--accent-light);
}

/* ---- Numpad Modal (touch / pen input) ---- */
#numpad-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 4000;
  display: flex;
  align-items: center;
  justify-content: center;
}

#numpad-modal {
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 14px;
  width: 292px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.6);
  user-select: none;
  -webkit-user-select: none;
}

#numpad-display {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 8px 12px;
  margin-bottom: 10px;
  min-height: 56px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  gap: 2px;
}

#numpad-expr {
  font-size: 24px;
  color: var(--text-bright);
  font-family: 'Segoe UI', monospace;
  word-break: break-all;
  text-align: right;
}

#numpad-preview {
  font-size: 13px;
  color: var(--accent-light);
  font-family: monospace;
  min-height: 16px;
  text-align: right;
}

#numpad-keys {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 7px;
  margin-bottom: 9px;
}

.numpad-key {
  height: 58px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--bg-hover);
  color: var(--text-bright);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: none;
  transition: background 0.08s, color 0.08s;
  -webkit-tap-highlight-color: transparent;
}

.numpad-key[data-key="."] {
  /* 小数点は20pxだと点が米粒でペンの照準がつらい — 大きく太く表示 */
  font-size: 36px;
  font-weight: bold;
  line-height: 0.4;
  padding-bottom: 14px;
}

.numpad-key.numpad-fn {
  background: var(--bg-panel);
  color: var(--text-dim);
  font-size: 15px;
}

.numpad-key.numpad-op {
  background: var(--bg-panel);
  color: var(--accent-light);
  font-size: 22px;
  font-weight: bold;
}

.numpad-key.numpad-eq {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent-light);
  font-size: 22px;
  font-weight: bold;
}

.numpad-key.numpad-wide {
  grid-column: span 2;
}

.numpad-key.pressed,
.numpad-key:active {
  background: var(--accent) !important;
  color: #fff !important;
  border-color: var(--accent-light);
}

#numpad-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}

#numpad-cancel,
#numpad-ok {
  height: 50px;
  border-radius: 7px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
}

#numpad-cancel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
}

#numpad-ok {
  background: var(--accent);
  border: none;
  color: #fff;
}

#numpad-cancel:active { background: var(--bg-hover); color: var(--text-bright); }
#numpad-ok:active     { background: var(--accent-light); }


/* ---- Narrow screens (iPad landscape etc.): keep Guild / account / settings reachable ---- */
#tool-options-container { min-width: 0; }
@media (max-width: 1280px) {
  #lang-switcher { position: relative; width: 30px; padding: 0; margin-left: 4px; justify-content: center; }
  #lang-switcher::before { content: '🌐'; font-size: 15px; pointer-events: none; }
  #lang-select { position: absolute; inset: 0; width: 100%; opacity: 0; cursor: pointer; }
  #btn-guild span[data-i18n] { display: none; }
  #btn-guild, #btn-account, #btn-settings { padding: 2px 5px !important; margin-left: 3px !important; }
  #app-logo img { height: 32px; }
}
@media (max-width: 1100px) {
  #app-logo { display: none; }
}
/* The recording column costs the canvas real estate; trim it where space is tight. */
@media (max-width: 1280px) {
  #rsteps-pane { width: 158px; }
  body.has-steps-pane { --right-w: 438px; }
}