/* Kumiko Studio — warm paper/wood palette, light + dark. */

:root {
  --bg: #efe9dc;
  --surface: #faf6ee;
  --surface-2: #f2ece0;
  --line: #ddd3c2;
  --line-soft: #e9e1d3;
  --ink: #2e2823;
  --ink-2: #6d6357;
  --accent: #8a5a2b;
  --accent-ink: #fff;
  --blue: #2f6fd0;
  --warn: #9a7213;
  --err: #a3341f;
  --ok: #2b7a4b;
  --radius: 8px;
  --topbar-h: 52px;
  --panel-w: 296px;
  --panel-w-r: 320px;
  --shadow: 0 1px 2px rgba(60,45,25,.09), 0 8px 24px rgba(60,45,25,.07);
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #17140f;
  --surface: #221e18;
  --surface-2: #1c1914;
  --line: #3a332a;
  --line-soft: #2c261f;
  --ink: #ece4d6;
  --ink-2: #a2988a;
  --accent: #d1975a;
  --accent-ink: #241a0e;
  --blue: #6ba3f0;
  --warn: #ddb14a;
  --err: #e5715a;
  --ok: #6bbd8b;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.35);
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font: 13px/1.45 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior: none;
}

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

/* ---------------------------------------------------------------- topbar */
.topbar {
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 8px;
  padding: 0 10px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: relative; z-index: 30;
  padding-top: env(safe-area-inset-top);
}
.brand { display: flex; align-items: center; gap: 7px; font-weight: 650; letter-spacing: .01em; color: var(--accent); }
.brand span { white-space: nowrap; }
.spacer { flex: 1; }

.name-field {
  background: transparent; border: 1px solid transparent; border-radius: 6px;
  padding: 5px 8px; min-width: 120px; max-width: 260px; font-weight: 550;
}
.name-field:hover { border-color: var(--line); }
.name-field:focus { outline: none; border-color: var(--accent); background: var(--surface-2); }

.save-state { font-size: 11px; color: var(--ink-2); min-width: 52px; }
.save-state.dirty { color: var(--warn); }

.btn {
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: 6px; padding: 6px 11px; cursor: pointer;
  white-space: nowrap; transition: background .12s, border-color .12s;
}
.btn:hover { background: var(--surface); border-color: var(--ink-2); }
.btn:active { transform: translateY(.5px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 550; }
.btn.primary:hover { filter: brightness(1.07); }
.btn.danger { color: var(--err); }
.btn.small { padding: 4px 9px; font-size: 12px; }
.btn:disabled { opacity: .45; cursor: default; }

.icon-btn {
  background: none; border: 1px solid transparent; border-radius: 6px;
  width: 32px; height: 30px; cursor: pointer; color: var(--ink-2); font-size: 15px;
}
.icon-btn:hover { background: var(--surface-2); border-color: var(--line); color: var(--ink); }

.seg-ctl { display: flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.seg-ctl button {
  background: var(--surface-2); border: 0; border-right: 1px solid var(--line);
  padding: 6px 10px; cursor: pointer; font-size: 12px; color: var(--ink-2);
}
.seg-ctl button:last-child { border-right: 0; }
.seg-ctl button.on { background: var(--accent); color: var(--accent-ink); font-weight: 550; }

/* ---------------------------------------------------------------- layout */
.layout {
  display: grid;
  grid-template-columns: var(--panel-w) 1fr var(--panel-w-r);
  height: calc(100% - var(--topbar-h));
}

.panel {
  background: var(--surface);
  overflow-y: auto; overscroll-behavior: contain;
  scrollbar-width: thin;
}
.panel.left { border-right: 1px solid var(--line); }
.panel.right { border-left: 1px solid var(--line); padding-bottom: 24px; }

.stage { position: relative; background: var(--bg); overflow: hidden; }
#canvas { width: 100%; height: 100%; display: block; touch-action: none; cursor: crosshair; }
#canvas.tool-select { cursor: default; }
#canvas.panning { cursor: grabbing; }

.stage-hud {
  position: absolute; left: 10px; bottom: 10px;
  display: flex; gap: 12px; font: 11px/1 ui-monospace, monospace;
  color: var(--ink-2); background: color-mix(in srgb, var(--surface) 82%, transparent);
  padding: 6px 9px; border-radius: 6px; border: 1px solid var(--line-soft);
  pointer-events: none;
}
.zoom-ctl {
  position: absolute; right: 10px; bottom: 10px;
  display: flex; flex-direction: column; border: 1px solid var(--line);
  border-radius: 6px; overflow: hidden; box-shadow: var(--shadow);
}
.zoom-ctl button {
  background: var(--surface); border: 0; border-bottom: 1px solid var(--line);
  width: 30px; height: 28px; cursor: pointer; color: var(--ink-2);
}
.zoom-ctl button:last-child { border-bottom: 0; }
.zoom-ctl button:hover { background: var(--surface-2); color: var(--ink); }

/* ------------------------------------------------------------ accordions */
.acc { border-bottom: 1px solid var(--line-soft); }
.acc > h2 {
  margin: 0; padding: 11px 14px; font-size: 12px; font-weight: 650;
  letter-spacing: .05em; text-transform: uppercase; color: var(--ink-2);
  cursor: pointer; user-select: none; display: flex; align-items: center; gap: 6px;
}
.acc > h2::before { content: "▸"; font-size: 9px; transition: transform .15s; color: var(--accent); }
.acc.open > h2::before { transform: rotate(90deg); }
.acc > h2:hover { color: var(--ink); }
.acc-body { display: none; padding: 2px 14px 14px; }
.acc.open .acc-body { display: block; }

.row { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin: 7px 0; }
.row > span:first-child { color: var(--ink-2); font-size: 12px; flex: 0 0 auto; }
.row.two { gap: 8px; }
.row.two label { flex: 1; display: flex; flex-direction: column; gap: 3px; }
.row.two label span { color: var(--ink-2); font-size: 11px; }
.row.check-row { justify-content: flex-start; gap: 14px; flex-wrap: wrap; }
.row.check-row label { display: flex; align-items: center; gap: 5px; font-size: 12px; cursor: pointer; }
.inline { display: inline-flex; align-items: center; gap: 5px; }
.inline em, .unit { font-style: normal; font-size: 11px; color: var(--ink-2); }

input[type=number], input[type=text], select, textarea {
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: 5px; padding: 5px 7px; width: 100%; min-width: 0;
}
.row > select, .row > .inline > input[type=number] { max-width: 128px; }
.row > .inline > input[type=range] { width: 96px; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: -1px; }
input[type=color] { padding: 1px; height: 26px; width: 46px; cursor: pointer; }
input[type=checkbox] { accent-color: var(--accent); width: 14px; height: 14px; }
input[type=range] { accent-color: var(--accent); }

.btn-row { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.hint { font-size: 11px; color: var(--ink-2); line-height: 1.5; margin: 9px 0 0; }

.tool-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; margin-bottom: 10px; }
.tool-grid button {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 6px;
  padding: 8px 2px 6px; cursor: pointer; font-size: 10.5px; color: var(--ink-2);
}
.tool-grid button span { font-size: 15px; line-height: 1; }
.tool-grid button:hover { border-color: var(--ink-2); color: var(--ink); }
.tool-grid button.on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* ---------------------------------------------------------------- stocks */
.stock-list { display: flex; flex-direction: column; gap: 8px; }
.stock-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 9px; background: var(--surface-2);
}
.stock-card .sc-top { display: flex; align-items: center; gap: 7px; margin-bottom: 7px; }
.stock-card .sc-top input[type=text] { flex: 1; font-weight: 550; }
.stock-card .sc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.stock-card .sc-grid label { display: flex; flex-direction: column; gap: 2px; font-size: 10.5px; color: var(--ink-2); }
.stock-card .sc-del { background: none; border: 0; color: var(--ink-2); cursor: pointer; font-size: 15px; padding: 2px 4px; }
.stock-card .sc-del:hover { color: var(--err); }

/* ----------------------------------------------------------- right panel */
.stats { padding: 12px 14px; border-bottom: 1px solid var(--line-soft); }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 10px; }
.stat { display: flex; flex-direction: column; }
.stat b { font-size: 17px; font-weight: 650; line-height: 1.15; }
.stat span { font-size: 10.5px; color: var(--ink-2); text-transform: uppercase; letter-spacing: .04em; }
.mat-line { display: flex; align-items: center; gap: 7px; font-size: 11.5px; margin-top: 7px; color: var(--ink-2); }
.swatch { width: 11px; height: 11px; border-radius: 3px; border: 1px solid rgba(0,0,0,.25); flex: 0 0 auto; }
.setup-list { margin-top: 10px; }
.setup-list b { display: block; font-size: 11px; color: var(--ink-2); margin-bottom: 5px; }
.setup-chip { display: inline-block; background: var(--surface); border: 1px solid var(--line); border-radius: 4px; padding: 2px 6px; font-size: 11px; margin: 0 4px 4px 0; }
.setup-chip.approx { border-color: var(--warn); color: var(--warn); }
.setup-chip small { color: var(--ink-2); }

#warnings:empty { display: none; }
.warn-item {
  display: flex; gap: 8px; padding: 9px 14px; font-size: 11.5px; line-height: 1.45;
  border-bottom: 1px solid var(--line-soft);
}
.warn-item.error { color: var(--err); background: color-mix(in srgb, var(--err) 8%, transparent); }
.warn-item.warn { color: var(--warn); background: color-mix(in srgb, var(--warn) 8%, transparent); }
.warn-item b { flex: 0 0 auto; }

.cutlist-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px 8px;
}
.cutlist-head h2 { margin: 0; font-size: 12px; font-weight: 650; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-2); }

.cutlist { padding: 0 10px 10px; display: flex; flex-direction: column; gap: 6px; }
.cut-item {
  display: grid; grid-template-columns: 30px 1fr auto; gap: 8px; align-items: center;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 7px 9px;
  background: var(--surface-2); cursor: pointer;
}
.cut-item:hover { border-color: var(--accent); }
.cut-item .pc { font-weight: 700; font-size: 14px; }
.cut-item .meta { min-width: 0; }
.cut-item .meta .l1 { font-size: 12.5px; font-weight: 550; }
.cut-item .meta .l2 { font-size: 10.5px; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cut-item .qty { font-size: 12px; color: var(--accent); font-weight: 600; }
.cut-canvases { grid-column: 1 / -1; display: flex; flex-direction: column; gap: 4px; }
.cut-canvases canvas { width: 100%; }
.cut-item.family { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 6%, var(--surface-2)); }
.cut-item .family-total { font-size: 11px; color: var(--ink-2); font-weight: 400; }
.cut-item .variant { color: var(--accent); font-weight: 550; }

/* -------------------------------------------------------------- dialogs */
dialog {
  border: 1px solid var(--line); border-radius: 12px; padding: 0;
  background: var(--surface); color: var(--ink);
  box-shadow: 0 18px 60px rgba(0,0,0,.32);
  max-width: min(560px, 94vw); width: 100%;
}
dialog::backdrop { background: rgba(20,15,8,.5); backdrop-filter: blur(2px); }
dialog h2 { margin: 0; padding: 16px 18px 10px; font-size: 15px; }
.dlg-body { padding: 0 18px 6px; max-height: 66vh; overflow-y: auto; }
.dlg-actions {
  display: flex; justify-content: flex-end; gap: 7px; flex-wrap: wrap;
  margin: 0; padding: 12px 18px 16px; border-top: 1px solid var(--line-soft);
}
fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: 9px 12px 11px; margin: 0 0 12px; }
fieldset legend { font-size: 11px; color: var(--ink-2); text-transform: uppercase; letter-spacing: .05em; padding: 0 4px; }
fieldset label { display: flex; align-items: center; gap: 7px; padding: 3px 0; font-size: 12.5px; cursor: pointer; }
textarea { resize: vertical; }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; margin: 12px 0; }
.gal-card {
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: var(--surface-2); cursor: pointer; position: relative;
}
.gal-card:hover { border-color: var(--accent); }
.gal-card.current { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.gal-card img { width: 100%; height: 96px; object-fit: contain; display: block; background: #fffdf8; }
.gal-card .gal-meta { padding: 7px 8px; }
.gal-card .gal-meta b { display: block; font-size: 12px; font-weight: 550; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gal-card .gal-meta span { font-size: 10.5px; color: var(--ink-2); }
.gal-card .gal-del {
  position: absolute; top: 5px; right: 5px; background: rgba(0,0,0,.55); color: #fff;
  border: 0; border-radius: 5px; width: 22px; height: 22px; cursor: pointer; font-size: 13px; line-height: 1;
}

.part-detail { font-size: 12.5px; }
.part-canvases { display: flex; flex-direction: column; gap: 8px; }
.part-canvases canvas { width: 100%; background: var(--surface-2); border: 1px solid var(--line); border-radius: 6px; }
.part-detail table { width: 100%; border-collapse: collapse; margin-top: 10px; }
.part-detail th, .part-detail td { text-align: left; padding: 4px 6px; border-bottom: 1px solid var(--line-soft); font-size: 11.5px; }
.part-detail th { color: var(--ink-2); font-weight: 550; }
.part-detail tr[data-hl] { cursor: pointer; }
.part-detail tr[data-hl]:hover { background: color-mix(in srgb, var(--accent) 10%, transparent); }
.part-detail tr.hl-row { background: color-mix(in srgb, var(--accent) 15%, transparent); }
.part-detail td.num, .part-detail th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------------------------------------------------------------- toast */
.toast {
  position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%);
  background: var(--ink); color: var(--surface); padding: 9px 16px;
  border-radius: 20px; font-size: 12.5px; z-index: 100;
  box-shadow: 0 8px 26px rgba(0,0,0,.3);
  animation: pop .18s ease-out;
}
@keyframes pop { from { opacity: 0; transform: translate(-50%, 8px); } }

/* -------------------------------------------------------------- responsive */
.only-narrow { display: none; }

@media (max-width: 1180px) {
  :root { --panel-w: 268px; --panel-w-r: 268px; }
}

@media (max-width: 980px) {
  .only-narrow { display: inline-flex; align-items: center; justify-content: center; }
  .layout { grid-template-columns: 1fr; }
  .panel {
    position: absolute; top: var(--topbar-h); bottom: 0; width: min(340px, 88vw);
    z-index: 20; box-shadow: var(--shadow); transform: translateX(-101%);
    transition: transform .2s ease;
  }
  .panel.left { left: 0; }
  .panel.right { right: 0; left: auto; transform: translateX(101%); }
  .panel.open { transform: none; }
  .name-field { max-width: 110px; }
  .brand span { display: none; }
  .seg-ctl { display: none; }
  .save-state { display: none; }
}

@media (max-width: 560px) {
  #btn-gallery { display: none; }
  .stage-hud { font-size: 10px; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}