:root {
  --accent: #7b53d1;
  --accent-soft: #efe8fd;
  --accent-2: #b498ff;
  --text: #2b2433;
  --muted: #6f6682;
  --border: #e4dff0;
  --card: rgba(255, 255, 255, 0.94);
  --radius: 12px;
  --panel-width: 344px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
  color: var(--text);
  background: radial-gradient(120% 120% at 30% 0%, #f7f5fc 0%, #ece8f4 60%, #e4e0ee 100%);
  -webkit-font-smoothing: antialiased;
}

/* ------------------------------------------------------------------ viewport */

/*
 * The canvas gets its size from #stage, never from its own width/height
 * attributes: a canvas is a replaced element, so `width: auto` would make its
 * layout follow those attributes - and since the renderer writes them, that
 * becomes a resize feedback loop that leaves the picture blank.
 */
#stage {
  position: fixed;
  inset: 0;
}

body:not(.panel-hidden) #stage {
  right: var(--panel-width);
}

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

/* ------------------------------------------------------------------- topbar */

#topbar {
  position: fixed;
  top: 14px;
  left: 16px;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: calc(100vw - var(--panel-width) - 48px);
}

#topbar h1 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #4b3a72;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.7);
}

.topbar-actions { display: flex; flex-wrap: wrap; gap: 6px; }

#topbar button {
  font: inherit;
  font-size: 12px;
  padding: 6px 11px;
  border-radius: 999px;
  border: 1px solid rgba(123, 83, 209, 0.22);
  background: rgba(255, 255, 255, 0.86);
  color: #5a4a7d;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: background 0.15s, transform 0.1s;
}

#topbar button:hover { background: #fff; transform: translateY(-1px); }
#topbar button:active { transform: translateY(0); }
#topbar button[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent); }

#viewport-hint {
  position: fixed;
  left: 18px;
  bottom: 14px;
  z-index: 10;
  margin: 0;
  font-size: 11.5px;
  color: #8a80a0;
  pointer-events: none;
}

/* -------------------------------------------------------------------- panel */

#panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: var(--panel-width);
  padding: 14px 14px 40px;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--card);
  border-left: 1px solid var(--border);
  backdrop-filter: blur(10px);
  z-index: 30;
  scrollbar-width: thin;
}

#panel::-webkit-scrollbar { width: 9px; }
#panel::-webkit-scrollbar-thumb { background: #d8d1e8; border-radius: 9px; }

body.panel-hidden #panel { display: none; }

body.panel-hidden #topbar { max-width: calc(100vw - 48px); }

@media (max-width: 780px) {
  :root { --panel-width: min(88vw, 344px); }
  #topbar { max-width: calc(100vw - 60px); }
}

/* ----------------------------------------------------------------- sections */

.tabs {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  gap: 4px;
  padding: 2px 0 10px;
  margin: -2px 0 4px;
  background: linear-gradient(var(--card) 72%, rgba(255, 255, 255, 0));
}

.tab {
  flex: 1;
  font: inherit;
  font-size: 12px;
  padding: 8px 2px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
}

.tab:hover { border-color: var(--accent-2); }
.tab.active { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.tab-panel[hidden] { display: none; }

.details {
  border: 1px dashed var(--border);
  border-radius: 9px;
  padding: 0 9px;
  background: #fdfcff;
}
.details > summary {
  font-size: 11px;
  color: var(--muted);
  cursor: pointer;
  padding: 6px 0;
  list-style-position: inside;
}
.details[open] > summary { color: var(--accent); }
.details-body { display: grid; gap: 8px; padding: 2px 0 9px; }

.sec {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(53, 38, 90, 0.04);
}

.sec-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  padding: 10px 12px;
  margin: 0;
  border: 0;
  background: #fff;
  font: inherit;
  font-size: 12.5px;
  font-weight: 700;
  color: #4b3a72;
  text-align: left;
  cursor: pointer;
}

.sec-head .chev { color: var(--muted); font-size: 10px; transition: transform 0.18s; }
.sec.closed .chev { transform: rotate(-90deg); }
.sec-body { padding: 2px 12px 12px; display: grid; gap: 9px; }
.sec.closed .sec-body { display: none; }

/* -------------------------------------------------------------------- rows */

.row { display: grid; grid-template-columns: 82px minmax(0, 1fr); gap: 8px; align-items: center; }
.row.wide { grid-template-columns: 1fr; gap: 5px; }
.row > .label { font-size: 11.5px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.control { display: flex; align-items: center; gap: 7px; min-width: 0; }
.hint { font-size: 11px; line-height: 1.55; color: var(--muted); }
.hint b { color: #5a4a7d; }
.subhead {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #8d80ab;
  text-transform: uppercase;
  margin-top: 3px;
}
.select {
  flex: 1;
  min-width: 0;
  font: inherit;
  font-size: 11.5px;
  padding: 5px 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
}
.stack { display: grid; gap: 6px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }

input[type="range"] {
  flex: 1;
  min-width: 0;
  height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
}

.num {
  flex: 0 0 auto;
  min-width: 40px;
  font-size: 11px;
  color: #5a4a7d;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.seg { display: inline-flex; flex-wrap: wrap; padding: 2px; gap: 2px; background: #f2eff9; border-radius: 999px; }
.seg button {
  font: inherit;
  font-size: 11px;
  padding: 4px 9px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
}
.seg button.active { background: #fff; color: var(--accent); box-shadow: 0 1px 3px rgba(53, 38, 90, 0.16); }

.btn {
  font: inherit;
  font-size: 11.5px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { border-color: var(--accent-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: #6b45c2; }
.btn:disabled { opacity: 0.45; cursor: default; }
.buttons { display: flex; flex-wrap: wrap; gap: 6px; }

.chk { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; color: #4b3a72; cursor: pointer; }
.chk input { accent-color: var(--accent); width: 14px; height: 14px; }

.pad-wrap { display: flex; gap: 10px; align-items: center; }
.pad {
  position: relative;
  flex: 0 0 auto;
  width: 118px;
  height: 118px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background:
    linear-gradient(#f0ecfa, #f0ecfa) 50% 0 / 1px 100% no-repeat,
    linear-gradient(#f0ecfa, #f0ecfa) 0 50% / 100% 1px no-repeat,
    #faf8ff;
  cursor: crosshair;
  touch-action: none;
}
.pad-dot {
  position: absolute;
  width: 13px;
  height: 13px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 1px 4px rgba(53, 38, 90, 0.35);
  pointer-events: none;
}
.pad-eye {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px dashed #d9d1ec;
  pointer-events: none;
}

/* Tail picker: a 3x3 grid where a dot's place is the direction it means, so
   the whole pad fits next to an 82px label even in a narrow panel. */
.tail-pad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  place-items: center;
  flex: 0 0 auto;
  width: 128px;
  height: 128px;
  padding: 10px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #faf8ff;
}
.tail-dot {
  width: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #ded6f0;
  cursor: pointer;
  transition: background 0.12s, transform 0.1s;
}
.tail-dot:hover { background: var(--accent-2); transform: scale(1.1); }
.tail-dot.active {
  background: var(--accent);
  box-shadow: 0 1px 4px rgba(53, 38, 90, 0.35);
}

.swatches { display: flex; gap: 5px; flex-wrap: wrap; }
.swatch { width: 17px; height: 17px; border-radius: 5px; border: 1px solid rgba(43, 36, 51, 0.18); cursor: pointer; }
input[type="color"] {
  width: 30px;
  height: 22px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
}

.bone-list {
  max-height: 168px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 4px;
  display: grid;
  gap: 2px;
  background: #fcfbff;
}
.bone-item {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 4px 8px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  font: inherit;
  font-size: 11.5px;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}
.bone-item:hover { background: #f4f0fd; }
.bone-item.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.bone-item small { color: var(--muted); font-size: 10.5px; }

/* --------------------------------------------------------------------- 擬音 */

/*
 * The stamps are painted onto the caption canvas, which is `pointer-events:
 * none`, so each one gets its own transparent drag box on top - the same trick
 * the bubbles use. The box follows the stamp's rotation. Its z-index sits below
 * the caption handles (3), because the bubbles are drawn over the stamps and so
 * must stay grabbable where the two overlap.
 */
.gion-handle {
  position: absolute;
  display: none;
  cursor: move;
  touch-action: none;
  pointer-events: auto;
  z-index: 2;
  border: 1px dashed transparent;
  border-radius: 4px;
}
.gion-handle.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(123, 83, 209, 0.18);
}

.gion-list { display: grid; gap: 10px; }
.gion-item-head { display: flex; align-items: center; gap: 8px; }
.gion-thumb {
  flex: 0 0 auto;
  width: 84px;
  height: 56px;
  background: #f3f0fa;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}
.gion-item.active .gion-thumb { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }

/* The picker covers the whole window, so even a big sheet has room to draw on. */
.gion-picker {
  position: fixed;
  inset: 0;
  z-index: 95;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  background: rgba(24, 16, 44, 0.86);
  backdrop-filter: blur(4px);
}
.gion-picker-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  color: #fff;
}
.gion-picker-title { font-size: 13.5px; font-weight: 700; }
.gion-picker-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.gion-picker-actions .hint { color: #cfc6e6; }
.gion-picker-board {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  border-radius: 12px;
  /* A checkerboard reads as "transparent", so a PNG sheet's holes are obvious. */
  background:
    linear-gradient(45deg, #2b2344 25%, transparent 25%) 0 0 / 22px 22px,
    linear-gradient(-45deg, #2b2344 25%, transparent 25%) 0 11px / 22px 22px,
    linear-gradient(45deg, transparent 75%, #2b2344 75%) 11px -11px / 22px 22px,
    linear-gradient(-45deg, transparent 75%, #2b2344 75%) -11px 0 / 22px 22px,
    #241d3a;
  cursor: crosshair;
  touch-action: none;
}
.gion-picker-sheet {
  position: absolute;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}
.gion-picker-marquee {
  position: absolute;
  display: none;
  border: 1.5px solid #fff;
  background: rgba(180, 152, 255, 0.28);
  box-shadow: 0 0 0 9999px rgba(20, 12, 40, 0.42);
  pointer-events: none;
}

/* -------------------------------------------------------------------- toast */

#notice {
  position: fixed;
  left: 50%;
  top: 14px;
  transform: translateX(-50%);
  z-index: 95;
  max-width: min(560px, 90vw);
  padding: 10px 16px;
  border-radius: 12px;
  background: #fff4e5;
  border: 1px solid #f0c48a;
  color: #7a4a12;
  font-size: 12px;
  line-height: 1.65;
  white-space: pre-line;
  box-shadow: 0 6px 20px rgba(43, 36, 51, 0.15);
}

#notice[hidden] { display: none; }

/* ------------------------------------------------ 起動時のご利用について */
#start-notice {
  position: fixed;
  inset: 0;
  z-index: 96;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(43, 36, 51, 0.5);
  backdrop-filter: blur(3px);
}
#start-notice[hidden] { display: none; }

.start-sheet {
  width: min(560px, 100%);
  max-height: 86vh;
  overflow: auto;
  padding: 22px 26px;
  border-radius: 16px;
  background: #fff;
  color: #2b2433;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  font-size: 13.5px;
  line-height: 1.75;
}
.start-sheet h2 { margin: 0 0 12px; font-size: 17px; }
.start-sheet p { margin: 0 0 10px; }
.start-sheet ul { margin: 0 0 12px; padding-left: 1.3em; }
.start-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.start-skip { display: flex; align-items: center; gap: 6px; font-size: 12px; color: #6b5d7a; }
.start-ok {
  border: 0;
  border-radius: 8px;
  padding: 9px 22px;
  background: #6b4ea8;
  color: #fff;
  font-size: 13.5px;
  cursor: pointer;
}

#toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translate(-50%, 14px);
  z-index: 70;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(43, 36, 51, 0.9);
  color: #fff;
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ------------------------------------------------------------------ loading */

#loading {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  background: rgba(244, 242, 250, 0.94);
  transition: opacity 0.35s;
}
#loading.done { opacity: 0; pointer-events: none; }

.loading-box { text-align: center; max-width: 520px; padding: 24px; }
.loading-spinner {
  width: 34px;
  height: 34px;
  margin: 0 auto 14px;
  border-radius: 50%;
  border: 3px solid #e0d8f2;
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
#loading-text { margin: 0; font-size: 13px; color: #5a4a7d; }
#loading-error {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: #b3261e;
  white-space: pre-wrap;
  text-align: left;
}

/* --------------------------------------------------------------------- help */

#help {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(43, 36, 51, 0.42);
  backdrop-filter: blur(3px);
}
#help[hidden] { display: none; }

.help-sheet {
  position: relative;
  width: min(760px, 100%);
  max-height: min(84vh, 900px);
  overflow-y: auto;
  padding: 26px 30px 32px;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 24px 60px rgba(20, 12, 40, 0.3);
  font-size: 13px;
  line-height: 1.75;
}
.help-sheet h2 { margin: 0 0 14px; font-size: 17px; color: #4b3a72; }
.help-sheet h3 { margin: 20px 0 6px; font-size: 13.5px; color: var(--accent); }
.help-sheet ul { margin: 0; padding-left: 1.25em; }
.help-sheet li { margin: 3px 0; }
.help-sheet code { background: #f3f0fa; padding: 1px 5px; border-radius: 5px; font-size: 12px; }
.help-sheet .keys { list-style: none; padding: 0; display: grid; gap: 4px; }
.help-close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 50%;
  background: #f3f0fa;
  color: #5a4a7d;
  font-size: 19px;
  line-height: 1;
  cursor: pointer;
}
.help-close:hover { background: #e8e2f7; }

kbd {
  display: inline-block;
  min-width: 20px;
  padding: 1px 6px;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: #faf9fe;
  font: inherit;
  font-size: 11px;
  text-align: center;
}