/* ドット絵に光を当てる（/dot-light/）。広い画面は左に元の絵とノーマルマップ、右に光を当てたプレビュー。狭い画面はプレビューが先 */
[hidden] { display: none !important; }
.dl { --d-line: var(--hairline, #e5e7eb); --d-acc: var(--accent, #b45309); --d-soft: var(--ink-soft, #4b5563); --d-night: #101319;
  border: 1px solid var(--d-line); background: var(--panel, #fff); padding: 18px; margin-bottom: 8px; position: relative; }
.dl.is-drag { outline: 2px dashed var(--d-acc); outline-offset: -8px; }
.dl.is-drag .dl-stage::after { content: attr(data-drop); position: absolute; inset: 0; display: grid; place-items: center; background: rgba(16,19,25,.82); color: #fff; font-size: 16px; font-weight: 700; z-index: 3; }

/* 読み込みの帯 */
.dl-in { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; padding: 0 0 14px; border-bottom: 1px solid var(--d-line); margin-bottom: 14px; }
.dl-file { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.dl-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 18px; border: 1px solid var(--d-acc); background: var(--d-acc); color: #fff;
  font-family: inherit; font-size: 15px; font-weight: 700; line-height: 1.2; text-align: center; cursor: pointer; transition: transform .08s ease, background-color .15s; }
.dl-btn:hover { background: var(--accent-dark, #92400e); }
.dl-btn:active { transform: scale(.97); }
.dl-btn.sub { background: #fff; color: var(--ink, #1f2937); border-color: var(--hairline-strong, #d1d5db); font-weight: 500; }
.dl-btn.sub:hover { border-color: var(--d-acc); color: var(--d-acc); }
.dl-btn[disabled] { opacity: .7; cursor: progress; }
.dl-btn span { font: 500 12px/1 var(--mono); opacity: .85; }
label.dl-btn:focus-within { outline: 2px solid var(--d-acc); outline-offset: 2px; }
.dl-in-t { margin: 0; font-size: 13px; line-height: 1.6; color: var(--d-soft); flex: 1 1 220px; }
.dl-in-t b { color: var(--ink, #1f2937); font-size: 15px; display: block; }
.dl-samples { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 12px; color: var(--d-soft); }
.dl-samples button { min-height: 36px; padding: 0 12px; border: 1px solid var(--hairline-strong, #d1d5db); background: #fff; font: inherit; font-size: 13px; color: var(--ink, #1f2937); cursor: pointer; }
.dl-samples button[aria-pressed="true"] { border-color: var(--ink, #1f2937); box-shadow: inset 0 0 0 1px var(--ink, #1f2937); font-weight: 700; }

/* 画面 */
.dl-view { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 2fr); grid-template-areas: "src lit" "nrm lit"; gap: 12px; }
.dl-pane { position: relative; min-width: 0; }
.dl-pane-h { white-space: nowrap; display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin: 0 0 6px; font-size: 13px; font-weight: 700; }
.dl-pane-h span { font: 500 11px/1 var(--mono); color: var(--d-soft); letter-spacing: .03em; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dl-src { grid-area: src; }
.dl-nrm { grid-area: nrm; }
.dl-litp { grid-area: lit; display: flex; flex-direction: column; }
.dl-box { aspect-ratio: 1 / 1; display: grid; place-items: center; overflow: hidden;
  background: #fff repeating-conic-gradient(#eceae5 0 25%, #fff 0 50%) 0 0 / 16px 16px; border: 1px solid var(--d-line); }
.dl-box canvas, .dl-stage canvas { image-rendering: pixelated; image-rendering: crisp-edges; display: block; }
.dl-stage { position: relative; flex: 1 1 auto; aspect-ratio: 1 / 1; display: grid; place-items: center; overflow: hidden; cursor: crosshair; touch-action: none;
  --lx: 50%; --ly: 20%; --lc: rgb(255,220,158);
  background: radial-gradient(circle at var(--lx) var(--ly), color-mix(in srgb, var(--lc) 34%, transparent) 0, transparent 46%), var(--d-night); }
.dl-stage:focus-visible { outline: 3px solid var(--d-acc); outline-offset: 2px; }
.dl-stage canvas { position: relative; z-index: 1; }
.dl-lamp { position: absolute; left: var(--lx); top: var(--ly); width: 14px; height: 14px; margin: -7px 0 0 -7px; border-radius: 50%; background: #fff; z-index: 2; pointer-events: none;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--lc) 55%, transparent), 0 0 22px 6px color-mix(in srgb, var(--lc) 70%, transparent); }
.dl-hint { position: absolute; left: 10px; bottom: 8px; margin: 0; z-index: 2; font-size: 12px; color: rgba(255,255,255,.62); pointer-events: none; }
.dl-scale { position: absolute; right: 10px; top: 8px; z-index: 2; font: 500 11px/1 var(--mono); color: rgba(255,255,255,.55); pointer-events: none; }
.dl.is-rec .dl-stage { box-shadow: inset 0 0 0 3px #e0473c; }

.dl-msg { margin: 10px 0 0; min-height: 1.4em; font-size: 13px; line-height: 1.6; color: var(--ok, #2e7d43); }
.dl-msg.is-bad { color: #9a3412; }

/* 調整 */
.dl-ctl { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 4px 24px; margin-top: 10px; border-top: 1px solid var(--d-line); padding-top: 12px; }
.dl-grp h3 { margin: 0 0 6px; font-size: 12px; font-weight: 700; color: var(--d-soft); letter-spacing: .04em; }
.dl-row { display: grid; grid-template-columns: 7.4em minmax(0, 1fr) 3.4em; align-items: center; gap: 10px; min-height: 40px; font-size: 14px; }
.dl-row output { font: 500 13px/1 var(--mono); text-align: right; color: var(--ink, #1f2937); }
.dl-row input[type=range] { width: 100%; accent-color: var(--d-acc); min-height: 28px; }
.dl-seg { display: flex; gap: 0; grid-column: 2 / 4; }
.dl-seg button { flex: 1 1 0; min-height: 36px; padding: 0 8px; border: 1px solid var(--hairline-strong, #d1d5db); background: #fff; font: inherit; font-size: 13px; color: var(--ink, #1f2937); cursor: pointer; }
.dl-seg button + button { border-left: 0; }
.dl-seg button[aria-pressed="true"] { background: var(--ink, #1f2937); color: #fff; border-color: var(--ink, #1f2937); }
.dl-colors { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; grid-column: 2 / 4; }
.dl-colors button { width: 30px; height: 30px; padding: 0; border: 2px solid #fff; border-radius: 50%; background: var(--c); box-shadow: 0 0 0 1px var(--hairline-strong, #d1d5db); cursor: pointer; }
.dl-colors button[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--ink, #1f2937); }
.dl-colors label { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--d-soft); cursor: pointer; }
.dl-colors input[type=color] { width: 34px; height: 30px; padding: 0; border: 1px solid var(--hairline-strong, #d1d5db); background: #fff; cursor: pointer; }

/* 書き出し */
.dl-out { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--d-line); }
.dl-out .dl-btn { flex: 1 1 240px; flex-direction: column; gap: 4px; min-height: 56px; }
.dl-out .dl-btn b { font-weight: 700; }
.dl-mark { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--d-soft); }
.dl-vbox { display: grid; grid-template-columns: minmax(0, 260px) minmax(0, 1fr); gap: 14px; align-items: center; margin-top: 14px; padding: 14px; background: #f6f4ef; }
.dl-vbox video { width: 100%; aspect-ratio: 1 / 1; display: block; background: var(--d-night); }
.dl-vbox p { margin: 0 0 10px; font-size: 13px; line-height: 1.6; color: var(--d-soft); }
.dl-vbox p b { display: block; color: var(--ink, #1f2937); font-size: 15px; }
.dl-vact { display: grid; gap: 8px; }
.dl-fine { margin: 10px 0 0; font-size: 12px; line-height: 1.7; color: var(--d-soft); }
.dl-all { margin: 14px 0 0; font-size: 14px; }

@media (max-width: 860px) {
  .dl { padding: 14px; }
  .dl-view { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-areas: "lit lit" "src nrm"; }
  .dl-ctl { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 480px) {
  .dl { padding: 12px; }
  .dl-row { grid-template-columns: 6.6em minmax(0, 1fr) 3em; gap: 8px; }
  .dl-vbox { grid-template-columns: minmax(0, 1fr); }
  .dl-in .dl-btn { flex: 1 1 100%; }
  .dl-src .dl-pane-h span, .dl-nrm .dl-pane-h span { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .dl-btn { transition: none; }
}