:root {
  --bg: #f4f6fa;
  --card: #ffffff;
  --ink: #1d2433;
  --muted: #667085;
  --line: #e3e7ef;
  --soft: #f7f8fb;
  --accent: #2f5bea;
  --accent-ink: #ffffff;
  --accent-soft: #e9efff;
  --ok: #138a4b;
  --ok-soft: #e8f6ee;
  --warn: #b26b00;
  --warn-soft: #fff4e0;
  --bad: #c73232;
  --bad-soft: #fdecec;
  --fix: #2f5bea;
  --fix-soft: #edf2ff;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  --radius: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151c;
    --card: #1b1f29;
    --ink: #e7eaf0;
    --muted: #98a2b3;
    --line: #2c3240;
    --soft: #222735;
    --accent: #6d8dff;
    --accent-ink: #0d1020;
    --accent-soft: #263055;
    --ok: #4cc584;
    --ok-soft: #173327;
    --warn: #f0b252;
    --warn-soft: #3a2c14;
    --bad: #ff7b7b;
    --bad-soft: #3d1d1f;
    --fix: #8aa4ff;
    --fix-soft: #232b47;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Segoe UI", sans-serif;
}
h1, h2, h3 { margin: 0; line-height: 1.3; }
h1 { font-size: 20px; }
h2 { font-size: 18px; }
h3 { font-size: 16px; }
button, input, select, textarea { font: inherit; color: inherit; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
p { margin: 4px 0; }

.top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 14px max(16px, calc((100vw - 1180px) / 2));
  background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo { width: 38px; height: 38px; border-radius: 10px; background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 20px; flex: none; }
.sub { color: var(--muted); font-size: 13px; }
.top-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.status { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.chip { font-size: 12px; padding: 3px 9px; border-radius: 99px; border: 1px solid var(--line); white-space: nowrap; }
.chip.on { color: var(--ok); background: var(--ok-soft); border-color: transparent; }
.chip.off { color: var(--muted); }

main { max-width: 1180px; margin: 0 auto; padding: 20px 16px 40px; display: grid; gap: 18px; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); min-width: 0; }
.step-head { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.step-head > div:nth-child(2) { flex: 1; min-width: 200px; }
.step-head.sticky { position: sticky; top: 68px; background: var(--card); z-index: 10; padding: 8px 0; margin-top: -8px; border-bottom: 1px solid var(--line); }
.step-no { width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 700; flex: none; }
.head-acts { display: flex; gap: 10px; align-items: center; }

.btn {
  display: inline-flex; align-items: center; gap: 6px; justify-content: center;
  border: 1px solid var(--line); background: var(--card); padding: 8px 14px; border-radius: 9px;
  cursor: pointer; font-weight: 600; white-space: nowrap; transition: background .15s, border-color .15s;
}
.btn:hover { border-color: var(--accent); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn.tiny { padding: 2px 9px; font-size: 12px; border-radius: 7px; }
.btn.ghost { background: transparent; }
.link { background: none; border: none; color: var(--accent); cursor: pointer; padding: 0 2px; font-size: 13px; text-decoration: none; white-space: nowrap; }
.link:hover { text-decoration: underline; }
.icon-btn { background: none; border: none; color: var(--muted); cursor: pointer; padding: 4px 6px; border-radius: 6px; flex: none; }
.icon-btn:hover { background: var(--soft); color: var(--bad); }

/* 第 1 步 */
.platforms { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.plat { border: 1px solid var(--line); border-radius: 10px; padding: 12px; background: var(--soft); }
.plat.on { border-color: var(--accent); background: var(--accent-soft); }
.plat-name { font-weight: 700; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.plat-n { font-size: 12px; background: var(--accent); color: #fff; border-radius: 99px; padding: 0 8px; }
.fmt-pills { display: flex; flex-wrap: wrap; gap: 6px; }
.pill { display: inline-flex; align-items: center; gap: 5px; border: 1px solid var(--line); background: var(--card); padding: 4px 10px; border-radius: 99px; font-size: 13px; cursor: pointer; user-select: none; }
.pill input { margin: 0; accent-color: var(--accent); }
.pill.on { border-color: var(--accent); color: var(--accent); font-weight: 600; }
.plat-notes { margin-top: 8px; font-size: 12px; color: var(--muted); }
.plat-notes ul { margin: 4px 0 0; padding-left: 18px; }
.plat-notes summary { cursor: pointer; }

/* 第 2 步 */
.drop { border: 2px dashed var(--line); border-radius: 12px; padding: 22px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; background: var(--soft); transition: border-color .15s, background .15s; }
.drop.hover { border-color: var(--accent); background: var(--accent-soft); }
.drop-icon { font-size: 34px; }
.drop-text { flex: 1; min-width: 200px; }
.drop-btns { display: flex; gap: 8px; flex-wrap: wrap; }
.link-row { display: flex; gap: 8px; margin-top: 12px; }
.link-row input { flex: 1; min-width: 0; padding: 9px 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--card); }
.files { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 10px; margin-top: 14px; }
.file { display: flex; gap: 10px; border: 1px solid var(--line); border-radius: 10px; padding: 8px; background: var(--card); min-width: 0; }
.file.error { border-color: var(--bad); background: var(--bad-soft); }
.file.loading { opacity: .8; }
.thumb { width: 64px; height: 64px; flex: none; border-radius: 8px; overflow: hidden; background: repeating-conic-gradient(var(--soft) 0 25%, var(--line) 0 50%) 50% / 12px 12px; display: grid; place-items: center; position: relative; }
.thumb img { max-width: 100%; max-height: 100%; object-fit: contain; display: block; }
.ph { font-size: 26px; }
.file-body, .asset-body { min-width: 0; flex: 1; }
.file-name { font-weight: 600; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-meta { font-size: 12px; color: var(--muted); }
.file-note { font-size: 12px; color: var(--muted); }
.file-note.bad { color: var(--bad); }
.file-acts { display: flex; gap: 10px; align-items: center; margin-top: 4px; }
.mini-toggle { font-size: 12px; border: 1px solid var(--line); border-radius: 6px; padding: 0 7px; cursor: pointer; display: inline-flex; gap: 4px; align-items: center; }
.mini-toggle input { margin: 0; }
.mini-toggle.on { border-color: var(--accent); color: var(--accent); font-weight: 600; }

/* 第 3 步 */
.paste-wrap { margin-bottom: 16px; }
.paste-wrap textarea, .msg-box textarea, .paste-back textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--card); resize: vertical; }
.paste-acts { display: flex; gap: 10px; align-items: center; margin-top: 8px; flex-wrap: wrap; }
.paste-back { margin-top: 10px; display: grid; gap: 8px; justify-items: start; }
.plat-copy { border-top: 1px solid var(--line); padding-top: 14px; margin-top: 14px; }
.plat-copy h3 { margin-bottom: 10px; }
.field { padding: 10px 12px; border-radius: 10px; background: var(--soft); margin-bottom: 10px; transition: box-shadow .3s; }
.field.flash { box-shadow: 0 0 0 3px var(--accent); }
.field-head { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.rule { font-size: 12px; color: var(--accent); background: var(--accent-soft); padding: 0 7px; border-radius: 6px; }
.hint { font-size: 12px; color: var(--muted); }
.usage { font-size: 12px; color: var(--muted); margin: 2px 0 6px; }
.entries { display: grid; gap: 8px; }
.entry { display: flex; gap: 8px; align-items: flex-start; }
.entry .no { font-size: 12px; color: var(--muted); width: 18px; text-align: right; padding-top: 9px; flex: none; }
.entry-main { flex: 1; min-width: 0; }
.entry input, .entry textarea, .entry select { width: 100%; padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); }
.entry textarea { resize: vertical; }
.entry-meta { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; font-size: 12px; margin-top: 3px; min-height: 18px; }
.cnt { font-variant-numeric: tabular-nums; color: var(--muted); }
.cnt.bad { color: var(--bad); font-weight: 700; }
.cnt.warn { color: var(--warn); font-weight: 700; }
.iss.error { color: var(--bad); }
.iss.warn { color: var(--warn); }
.iss.info { color: var(--muted); }
.field-acts { display: flex; gap: 12px; margin-top: 6px; padding-left: 26px; }
.ai-options { margin-top: 6px; border: 1px solid var(--accent); background: var(--card); border-radius: 9px; padding: 8px; display: grid; gap: 6px; justify-items: start; }
.ai-opt { display: flex; gap: 8px; align-items: center; width: 100%; }
.ai-opt .ai-text { flex: 1; }
.ai-opt.over .ai-text { color: var(--muted); text-decoration: line-through; }
.ai-loading { font-size: 13px; color: var(--accent); margin-top: 6px; }
.ai-error { font-size: 13px; color: var(--bad); margin-top: 6px; }

/* 第 4 步 */
.summary { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.sum { font-size: 13px; padding: 2px 10px; border-radius: 99px; font-weight: 600; }
.sum.error { color: var(--bad); background: var(--bad-soft); }
.sum.fixable { color: var(--fix); background: var(--fix-soft); }
.sum.warn { color: var(--warn); background: var(--warn-soft); }
.sum.ok { color: var(--ok); background: var(--ok-soft); }
.notice { padding: 8px 12px; background: var(--accent-soft); border-radius: 8px; margin-bottom: 10px; font-size: 14px; }
.fmt { border: 1px solid var(--line); border-radius: 12px; margin-bottom: 14px; overflow: hidden; }
.fmt-head { display: flex; gap: 10px; align-items: center; padding: 10px 14px; background: var(--soft); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.fmt.lv-error .fmt-head { background: var(--bad-soft); }
.fmt.lv-fixable .fmt-head, .fmt.lv-working .fmt-head { background: var(--fix-soft); }
.fmt.lv-ok .fmt-head, .fmt.lv-fixed .fmt-head { background: var(--ok-soft); }
.fmt-plat { font-size: 12px; font-weight: 700; color: var(--muted); }
.fmt-name { font-weight: 700; flex: 1; }
.lv-chip { font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 99px; background: var(--card); }
.lv-chip.error { color: var(--bad); }
.lv-chip.fixable, .lv-chip.working { color: var(--fix); }
.lv-chip.warn { color: var(--warn); }
.lv-chip.ok, .lv-chip.fixed { color: var(--ok); }
.fmt-notes { padding: 8px 14px; font-size: 13px; color: var(--muted); border-bottom: 1px solid var(--line); }
.rows { padding: 4px 14px 10px; }
.row { padding: 10px 0; border-bottom: 1px dashed var(--line); }
.row:last-child { border-bottom: none; }
.row.dim { opacity: .65; padding: 6px 0; }
.row-head { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-weight: 600; }
.spec { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 13px; background: var(--soft); padding: 0 6px; border-radius: 5px; font-weight: 500; }
.need { font-size: 11px; padding: 0 7px; border-radius: 5px; font-weight: 700; }
.need.required { color: var(--bad); background: var(--bad-soft); }
.need.recommended { color: var(--warn); background: var(--warn-soft); }
.need.optional { color: var(--muted); background: var(--soft); }
.lim { font-size: 12px; color: var(--muted); font-weight: 400; }
.row-body { padding: 6px 0 0 26px; display: grid; gap: 8px; }
.asset { display: flex; gap: 10px; padding: 8px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); }
.asset.lv-error { border-color: var(--bad); }
.asset.lv-fixable, .asset.lv-working { border-color: var(--fix); }
.asset.lv-fixed { border-color: var(--ok); }
.asset.gen { border-style: dashed; }
.gen-badge { position: absolute; bottom: 2px; left: 2px; font-size: 10px; background: var(--accent); color: #fff; padding: 0 5px; border-radius: 4px; }
.msg { font-size: 13px; }
.msg.error { color: var(--bad); }
.msg.warn { color: var(--warn); }
.msg.ok { color: var(--ok); }
.msg.info { color: var(--muted); }
.job { margin-top: 4px; }
.reasons { margin: 2px 0; padding-left: 18px; font-size: 13px; color: var(--fix); }
.job-ctl { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: 13px; }
.job-ctl select { padding: 2px 6px; border: 1px solid var(--line); border-radius: 7px; background: var(--card); font-size: 13px; }
.good { color: var(--ok); }
.bad { color: var(--bad); }
.working { color: var(--fix); font-size: 13px; }
.after-wrap { margin-top: 8px; display: flex; gap: 8px; align-items: flex-start; }
.after-label { font-size: 11px; color: var(--muted); writing-mode: vertical-rl; }
.after { max-width: min(320px, 100%); max-height: 220px; border-radius: 8px; border: 1px solid var(--line); background: repeating-conic-gradient(var(--soft) 0 25%, var(--line) 0 50%) 50% / 12px 12px; }
.cropper { position: relative; max-width: 300px; margin-top: 8px; border-radius: 8px; overflow: hidden; cursor: grab; touch-action: none; user-select: none; }
.cropper img { width: 100%; height: 100%; display: block; opacity: .55; }
.crop-frame { position: absolute; border: 2px solid var(--accent); box-shadow: 0 0 0 999px rgba(0,0,0,.35); pointer-events: none; }
.crop-tip { position: absolute; bottom: 4px; right: 6px; font-size: 11px; color: #fff; text-shadow: 0 1px 2px #000; }
.trim { margin-top: 6px; font-size: 13px; }
.trim summary { cursor: pointer; color: var(--accent); }

/* 第 5 步 */
.export-btns { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.msg-box { border: 1px solid var(--line); border-radius: 10px; padding: 10px; background: var(--soft); }
.msg-head { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.msg-head .btn { margin-left: auto; }

.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 10px 16px 30px; }

dialog { border: 1px solid var(--line); border-radius: 14px; padding: 20px; width: min(380px, calc(100vw - 32px)); background: var(--card); color: var(--ink); }
dialog::backdrop { background: rgba(0,0,0,.35); }
dialog input { width: 100%; padding: 9px 12px; border: 1px solid var(--line); border-radius: 9px; margin: 10px 0; background: var(--card); }
.dlg-acts { display: flex; gap: 8px; justify-content: flex-end; }

.toasts { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); display: grid; gap: 8px; z-index: 100; width: min(460px, calc(100vw - 32px)); }
.toast { background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-size: 14px; box-shadow: 0 4px 16px rgba(0,0,0,.2); transition: opacity .4s, transform .4s; }
.toast.good { background: var(--ok); color: #fff; }
.toast.bad { background: var(--bad); color: #fff; }
.toast.out { opacity: 0; transform: translateY(8px); }

@media (max-width: 640px) {
  .top { padding: 10px 16px; position: static; }
  .step { padding: 14px; }
  .step-head.sticky { top: 0; }
  .row-body { padding-left: 0; }
  .link-row { flex-direction: column; }
  .drop { padding: 16px; }
}