/* ============================================================
   Jacquard Studio — 遵循 DESIGN.md v1.1
   暖纸感 × 工具精确性 · 三栏工作台 · 提花 / 拼豆双模式
   ============================================================ */
:root {
  --color-primary: #B4552D;
  --color-primary-hover: #9E4A26;
  --color-primary-active: #873F20;
  --color-ink: #2B2622;
  --color-ink-soft: #5C534A;
  --color-ink-faint: #8A7F73;
  --color-accent: #2E5E8C;
  --color-accent-soft: #DCE8F2;
  --color-accent-line: #A8C3DC;
  --color-paper: #FAF6EF;
  --color-surface: #FFFFFF;
  --color-surface-warm: #F3EDE3;
  --color-line: #E6DDCF;
  --color-line-strong: #D5C9B7;
  --color-success: #4A7C59;
  --color-warning: #C98A2E;
  --color-error: #B0413E;
  --shadow-xs: 0 1px 2px rgba(43,38,34,.06);
  --shadow-sm: 0 1px 3px rgba(43,38,34,.08), 0 1px 2px rgba(43,38,34,.04);
  --shadow-md: 0 4px 12px rgba(43,38,34,.10), 0 2px 4px rgba(43,38,34,.06);
  --shadow-lg: 0 12px 32px rgba(43,38,34,.14), 0 4px 8px rgba(43,38,34,.08);
  --font: "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", Consolas, "Courier New", monospace;
  /* design tokens：反馈组件统一圆角 / 动效 / 焦点环 / 交互微光 */
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --dur-fast: .15s ease;
  --dur: .22s ease;
  --focus-ring: 0 0 0 3px rgba(180,85,45,.15);
  --ring-primary: 0 0 0 3px rgba(180,85,45,.16);
  --tint-primary: rgba(180,85,45,.07);
  --tint-success: rgba(74,124,89,.10);
  --tint-error: rgba(176,65,62,.10);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-paper);
  overflow: hidden;
}
#app { height: 100vh; display: flex; flex-direction: column; }

/* ---------------- 双模式显隐 ---------------- */
/* 元素按模式显示：.only-jacquard / .only-perler */
body.mode-jacquard .only-perler { display: none !important; }
body.mode-perler .only-jacquard { display: none !important; }

/* ---------------- 顶栏 ---------------- */
.topbar {
  height: 60px; flex: 0 0 60px;
  display: flex; align-items: center; gap: 24px;
  padding: 0 20px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
  box-shadow: var(--shadow-xs);
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--color-primary);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 3px;
  padding: 7px; transform: rotate(-6deg);
}
.brand-mark span { background: #FFF; border-radius: 2px; }
.brand-mark span:nth-child(odd) { opacity: .55; }
.brand-text h1 { font-size: 17px; font-weight: 700; letter-spacing: -.01em; line-height: 1.2; }
.brand-text p { font-size: 11px; color: var(--color-ink-faint); line-height: 1.3; }

.steps { display: flex; gap: 4px; flex: 1; overflow-x: auto; padding: 4px 0; }
.step {
  display: flex; align-items: center; gap: 7px;
  padding: 6px 12px; border-radius: 999px;
  font-size: 13px; font-family: var(--font);
  color: var(--color-ink-faint); background: none; border: none;
  cursor: pointer; white-space: nowrap;
  transition: all .15s ease;
}
.step:hover { background: var(--color-surface-warm); color: var(--color-ink); }
.step.active { background: var(--color-primary); color: #FFF; }
.step.done { color: var(--color-primary); }
.step-num {
  width: 20px; height: 20px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 12px; background: var(--color-surface-warm); color: var(--color-ink-soft);
}
.step.active .step-num { background: rgba(255,255,255,.22); color: #FFF; }
.step.done .step-num { background: rgba(180,85,45,.15); color: var(--color-primary); }
.topbar-right { display: flex; align-items: center; }
/* 模式切换（提花 / 拼豆） */
.mode-switch {
  display: flex; border: 1px solid var(--color-line-strong);
  border-radius: 10px; overflow: hidden; flex: 0 0 auto;
  background: var(--color-surface-warm);
}
.mode-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 16px; border: none; background: transparent;
  font-size: 13px; font-weight: 600; font-family: var(--font);
  color: var(--color-ink-soft); cursor: pointer; white-space: nowrap;
  transition: all .15s ease;
}
.mode-btn + .mode-btn { border-left: 1px solid var(--color-line); }
.mode-btn:hover { color: var(--color-ink); background: rgba(43,38,34,.04); }
.mode-btn.active { background: var(--color-primary); color: #FFF; }
.mode-btn.active:hover { background: var(--color-primary-hover); }
.offline-badge {
  font-size: 12px; color: var(--color-success);
  background: rgba(74,124,89,.10);
  padding: 4px 10px; border-radius: 999px; white-space: nowrap;
}

/* ---------------- 三栏工作台 ---------------- */
.workbench { flex: 1; display: flex; min-height: 0; }
.panel-left {
  width: 300px; flex: 0 0 300px;
  overflow-y: auto; background: var(--color-paper);
  border-right: 1px solid var(--color-line);
  padding: 16px 16px 40px;
}
.panel-right {
  width: 322px; flex: 0 0 322px;
  overflow-y: auto; background: var(--color-surface);
  border-left: 1px solid var(--color-line);
  padding: 16px 16px 40px;
}
.canvas-area {
  flex: 1; min-width: 480px;
  display: flex; flex-direction: column;
  background: #EFE9DD;
}

/* ---------------- 步骤卡片 ---------------- */
.step-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-xs);
}
.card-title {
  font-size: 15px; font-weight: 600;
  display: flex; align-items: center; gap: 6px;
  margin-bottom: 12px;
}
.card-title .num {
  width: 20px; height: 20px; border-radius: 6px;
  background: var(--color-surface-warm);
  color: var(--color-ink-soft);
  display: grid; place-items: center;
  font-size: 12px;
}
.card-title small { font-weight: 400; font-size: 12px; color: var(--color-ink-faint); }
.card-title .hl { color: var(--color-primary); font-weight: 600; }
.card-title .ai-tag {
  background: var(--color-primary); color: #FFF;
  font-size: 11px; padding: 1px 7px; border-radius: 5px; font-weight: 700;
}
.mini-title { font-size: 13px; font-weight: 600; margin: 10px 0 8px; display: flex; gap: 8px; align-items: center; }

/* ---------------- 表单 ---------------- */
.field { margin-bottom: 12px; }
.field-head { display: flex; justify-content: space-between; align-items: center; }
.field-head .val { font-family: var(--mono); font-weight: 600; color: var(--color-primary); }
.field label { display: block; font-size: 13px; color: var(--color-ink-soft); margin-bottom: 4px; }
.field label b { color: var(--color-ink); }
.input, .select {
  width: 100%;
  border: 1px solid var(--color-line-strong);
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 14px; font-family: var(--font);
  background: var(--color-surface);
  color: var(--color-ink);
  transition: border-color .15s, box-shadow .15s;
}
.input:focus, .select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(180,85,45,.15);
}
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.range { width: 100%; accent-color: var(--color-primary); height: 4px; cursor: pointer; }
.range::-webkit-slider-thumb {
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--color-primary); border: 2px solid #FFF;
  box-shadow: var(--shadow-sm); cursor: pointer;
}
.hint { font-size: 12px; color: var(--color-ink-faint); margin-top: 8px; line-height: 1.55; }
.hint b { color: var(--color-ink-soft); }
.hint-inline { font-size: 11px; color: var(--color-ink-faint); margin-top: 2px; }
.chk { display: flex !important; align-items: center; gap: 8px; cursor: pointer; margin-bottom: 0 !important; }
.chk input { accent-color: var(--color-primary); width: 15px; height: 15px; }

/* ---------------- 按钮 ---------------- */
.btn {
  border-radius: 8px; font-size: 14px; font-weight: 500;
  padding: 8px 16px; border: 1px solid transparent;
  cursor: pointer; transition: all .15s ease;
  font-family: var(--font); display: inline-flex;
  align-items: center; justify-content: center; gap: 6px;
}
.btn-block { width: 100%; margin-top: 10px; }
.btn-sm { font-size: 13px; padding: 5px 12px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary { background: var(--color-primary); color: #FFF; }
.btn-primary:hover:not(:disabled) { background: var(--color-primary-hover); }
.btn-primary:active:not(:disabled) { background: var(--color-primary-active); }
.btn-secondary { background: var(--color-surface); color: var(--color-ink); border-color: var(--color-line-strong); }
.btn-secondary:hover:not(:disabled) { border-color: var(--color-primary); color: var(--color-primary); }
.btn-ghost { background: transparent; color: var(--color-ink-soft); }
.btn-ghost:hover:not(:disabled) { background: var(--color-surface-warm); color: var(--color-ink); }
/* 导出等操作的进行中 / 成功态微交互 */
.btn.is-loading { color: transparent !important; pointer-events: none; position: relative; }
.btn.is-loading::after {
  content: ""; position: absolute; inset: 0; margin: auto;
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.35); border-top-color: #FFF;
  animation: btn-spin .7s linear infinite;
}
.btn.btn-secondary.is-loading::after {
  border-color: rgba(43,38,34,.15); border-top-color: var(--color-primary);
}
.btn.is-success { background: var(--color-success) !important; border-color: var(--color-success) !important; color: #FFF !important; }
.btn.is-success::before { content: "✓ "; }
@keyframes btn-spin { to { transform: rotate(360deg); } }

/* ---------------- 上传 ---------------- */
.dropzone {
  border: 2px dashed var(--color-line-strong);
  border-radius: 12px; padding: 22px 14px;
  text-align: center; cursor: pointer;
  transition: all .15s ease;
}
.dropzone:hover, .dropzone.dragover {
  border-color: var(--color-primary);
  background: rgba(180,85,45,.04);
}
.dz-icon { font-size: 28px; }
.dz-main { font-size: 14px; font-weight: 500; margin-top: 6px; }
.dz-sub { font-size: 12px; color: var(--color-ink-faint); margin-top: 2px; }
.preopt { margin-top: 12px; }
.uploaded { display: flex; gap: 12px; margin-top: 12px; align-items: center; }
.thumb-wrap {
  width: 64px; height: 64px; border-radius: 8px; overflow: hidden;
  border: 1px solid var(--color-line); background: #FFF; flex: 0 0 64px;
}
.thumb-wrap canvas { width: 100%; height: 100%; object-fit: contain; }
.u-name { font-size: 13px; font-weight: 600; word-break: break-all; }
.u-meta { font-size: 12px; color: var(--color-ink-faint); font-family: var(--mono); }

/* ---------------- 色板结果 ---------------- */
.swatches { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.swatch {
  border-radius: 8px; overflow: hidden; border: 1px solid var(--color-line);
  cursor: default; text-align: center;
}
.swatch .color { height: 30px; }
.swatch .meta { font-size: 10px; padding: 2px 0; background: var(--color-surface); }
.swatch .meta .num { font-family: var(--mono); font-weight: 600; }
.swatch.main .color { outline: 2px solid var(--color-primary); outline-offset: -2px; }
.swatch .flag { font-size: 9px; color: var(--color-success); font-weight: 700; }
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 500;
}
.tag--warn { background: rgba(201,138,46,.15); color: var(--color-warning); }
.tag--main { background: rgba(74,124,89,.15); color: var(--color-success); }
.tag--info { background: rgba(62,110,148,.14); color: #3E6E94; }
.tag--dmc { background: rgba(74,124,89,.15); color: var(--color-success); }
.tag--perler { background: rgba(110,80,160,.14); color: #6E50A0; }

/* ---------------- 颜色模式单选 ---------------- */
.radio-row { display: flex; gap: 10px; flex-wrap: wrap; }
.radio {
  flex: 1; min-width: 150px; display: flex; align-items: flex-start; gap: 8px;
  border: 1px solid var(--color-line-strong); border-radius: 8px;
  padding: 8px 10px; background: var(--color-surface); cursor: pointer;
  font-size: 13px; color: var(--color-ink-soft); transition: all .12s ease;
}
.radio:has(input:checked) { border-color: var(--color-primary); background: rgba(74,124,89,.06); }
.radio input { margin-top: 3px; accent-color: var(--color-primary); }
.field.disabled { opacity: .55; pointer-events: none; }
.pal-mode { margin-top: 8px; font-size: 12px; color: var(--color-ink-faint); display: flex; align-items: center; gap: 6px; }

/* ---------------- 分段控件 ---------------- */
.seg { display: flex; border: 1px solid var(--color-line-strong); border-radius: 8px; overflow: hidden; }
.seg-btn {
  flex: 1; padding: 6px 4px; border: none; background: var(--color-surface);
  font-size: 13px; font-family: var(--font); color: var(--color-ink-soft);
  cursor: pointer; transition: all .12s ease;
}
.seg-btn + .seg-btn { border-left: 1px solid var(--color-line); }
.seg-btn.active { background: var(--color-primary); color: #FFF; }

/* ---------------- 画布区 ---------------- */
.canvas-toolbar {
  height: 46px; flex: 0 0 46px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 14px; background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
}
.tb-group { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  width: 30px; height: 30px; border-radius: 8px;
  border: 1px solid var(--color-line-strong); background: var(--color-surface);
  font-size: 16px; cursor: pointer; color: var(--color-ink);
  display: grid; place-items: center;
}
.icon-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.zoom-val { font-family: var(--mono); font-size: 13px; min-width: 44px; text-align: center; }
.sel-info { font-size: 12px; color: var(--color-ink-faint); font-family: var(--mono); }

.canvas-stage {
  flex: 1; min-height: 0;
  display: flex; align-items: center; justify-content: center;
  overflow: auto; position: relative;
  padding: 16px;
}
.stage-empty { text-align: center; color: var(--color-ink-faint); padding: 20px; }
.se-icon { font-size: 52px; margin-bottom: 12px; }
.se-title { font-size: 18px; font-weight: 600; color: var(--color-ink-soft); }
.se-sub { font-size: 13px; margin-top: 8px; }
.stage-canvas {
  position: relative; background: #FFF;
  box-shadow: var(--shadow-md); border-radius: 4px;
  max-width: 100%; max-height: 100%;
  overflow: hidden;
}
#mainCanvas { display: block; transform-origin: 0 0; }
.sel-layer {
  position: absolute; left: 0; top: 0; width: 100%; height: 100%;
  pointer-events: auto; display: none;
  cursor: crosshair;
}
.canvas-hint {
  flex: 0 0 auto; padding: 7px 14px; font-size: 12px;
  color: var(--color-accent); background: var(--color-accent-soft);
  border-top: 1px solid var(--color-accent-line); text-align: center;
}

/* ---------------- 结果面板 ---------------- */
.result-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-xs);
}
.count-badge {
  background: var(--color-surface-warm); color: var(--color-ink-soft);
  font-size: 12px; padding: 1px 8px; border-radius: 999px;
  font-family: var(--mono);
}
.pal-item {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 0; border-bottom: 1px dashed var(--color-line);
}
.pal-item:last-child { border-bottom: none; }
.pal-item .chip {
  width: 26px; height: 26px; border-radius: 6px; flex: 0 0 26px;
  border: 1px solid var(--color-line);
}
.pal-item .pn { font-family: var(--mono); font-weight: 600; font-size: 13px; width: 44px; }
.pal-item .pd { flex: 1; font-size: 12px; color: var(--color-ink-faint); }

/* 材料表 */
.mat-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.mat-table th {
  text-align: left; font-size: 12px; font-weight: 600;
  color: var(--color-ink-faint); padding: 4px 6px;
  border-bottom: 1px solid var(--color-line);
}
.mat-table td { padding: 5px 6px; border-bottom: 1px solid var(--color-line); font-family: var(--mono); }
.mat-table tr:last-child td { border-bottom: none; }
.mat-table .num-td { font-family: var(--mono); font-weight: 600; }
.mat-table td.right, .mat-table th.right { text-align: right; }
.mat-table .bar-bg { background: var(--color-surface-warm); border-radius: 3px; height: 6px; }
.mat-table .bar { background: var(--color-primary); border-radius: 3px; height: 6px; }
.mat-total { margin-top: 8px; font-size: 13px; color: var(--color-ink-soft); }
.mat-total b { color: var(--color-primary); font-family: var(--mono); }
.yarn-advice {
  margin-top: 10px; padding: 8px 10px; border-radius: 8px;
  background: rgba(74,124,89,.08); border: 1px solid rgba(74,124,89,.25);
  font-size: 13px; color: var(--color-success);
}

/* 建议框（毛线支数 / 拼豆袋数通用） */
.yarn-advice, .bead-advice {
  margin-top: 10px; padding: 8px 10px; border-radius: 8px;
  background: rgba(74,124,89,.08); border: 1px solid rgba(74,124,89,.25);
  font-size: 13px; color: var(--color-success);
}

/* ---------------- Toast（分级：默认 info / success / warn / error） ---------------- */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
  background: var(--color-ink); color: #FFF;
  padding: 10px 18px; border-radius: 999px;
  font-size: 14px; font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 200; max-width: 80vw;
  display: flex; align-items: center; gap: 8px;
  animation: toast-in var(--dur);
  transition: opacity .18s ease, transform .18s ease;
}
.toast::before {
  flex: 0 0 auto; font-weight: 700;
  width: 20px; height: 20px; border-radius: 50%;
  display: grid; place-items: center; font-size: 12px;
  background: rgba(255,255,255,.22);
}
.toast.success { background: var(--color-success); }
.toast.success::before { content: "✓"; }
.toast.warn { background: var(--color-warning); }
.toast.warn::before { content: "⚠"; }
.toast.error { background: var(--color-error); }
.toast.error::before { content: "✕"; }
.toast.is-leaving { opacity: 0; transform: translateX(-50%) translateY(8px); }
@keyframes toast-in { from { opacity: 0; transform: translateX(-50%) translateY(12px); }
                      to { opacity: 1; transform: translateX(-50%) translateY(0); } }

/* 滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--color-line-strong); border-radius: 4px; }
::-webkit-scrollbar-track { background: transparent; }

/* ---------------- 响应式（DESIGN.md §8） ---------------- */
@media (max-width: 1100px) {
  .panel-left { width: 260px; flex-basis: 260px; }
  .panel-right { position: absolute; right: 0; top: 60px; bottom: 0; z-index: 40;
    box-shadow: var(--shadow-lg); }
}
@media (max-width: 720px) {
  .workbench { flex-direction: column; overflow-y: auto; }
  .panel-left { width: 100%; flex-basis: auto; border-right: none; border-bottom: 1px solid var(--color-line); }
  .canvas-area { min-width: 0; min-height: 60vh; }
  .panel-right { position: static; width: 100%; flex-basis: auto; border-left: none; }
  .steps { gap: 0; }
  .step { padding: 6px 8px; font-size: 12px; }
  .mode-btn { padding: 6px 8px; font-size: 12px; gap: 4px; }
  .topbar { gap: 10px; padding: 0 10px; }
  .brand-text p { display: none; }
  .offline-badge { display: none; }
}

/* ============================================================
   图纸放大查看器（全屏 lightbox）
   ============================================================ */
.viewer-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(43,38,34,.45);
  display: flex; flex-direction: column;
  padding: 18px;
}
.viewer-overlay[hidden] { display: none; }
.viewer-topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  background: var(--color-surface); border: 1px solid var(--color-line);
  border-radius: 12px; padding: 10px 14px; box-shadow: var(--shadow-md);
}
.viewer-title { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.viewer-title b { font-size: 15px; font-weight: 600; white-space: nowrap; }
.viewer-sub { font-size: 12px; color: var(--color-ink-faint); font-family: var(--mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.viewer-stage {
  flex: 1; min-height: 0; margin-top: 12px;
  background: var(--color-surface); border: 1px solid var(--color-line);
  border-radius: 12px; overflow: hidden; position: relative;
  box-shadow: var(--shadow-md);
}
.v-stage-wrap {
  position: absolute; inset: 0;
  overflow: hidden; cursor: grab;
}
.v-stage-wrap.dragging { cursor: grabbing; }
#viewerCanvas { position: absolute; left: 0; top: 0; transform-origin: 0 0; image-rendering: pixelated; }
.v-hint {
  position: absolute; left: 12px; bottom: 10px;
  font-size: 12px; color: var(--color-ink-faint);
  background: rgba(255,255,255,.85); border: 1px solid var(--color-line);
  border-radius: 999px; padding: 3px 12px; pointer-events: none;
}
.viewer-legend {
  margin-top: 12px; background: var(--color-surface);
  border: 1px solid var(--color-line); border-radius: 12px;
  box-shadow: var(--shadow-md); max-height: 34vh;
  display: flex; flex-direction: column; overflow: hidden;
}
.v-legend-head {
  flex: 0 0 auto; padding: 8px 14px; font-size: 13px; font-weight: 600;
  border-bottom: 1px solid var(--color-line); background: var(--color-surface-warm);
  display: flex; align-items: center; justify-content: space-between;
  color: var(--color-ink);
}
.v-legend-head small { font-weight: 400; color: var(--color-ink-faint); font-size: 12px; }
.v-legend-body {
  flex: 1; overflow-y: auto; padding: 10px 12px;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(148px, 1fr)); gap: 8px;
}
.v-legend-item {
  display: flex; align-items: center; gap: 8px;
  border: 1px solid var(--color-line); border-radius: 8px;
  padding: 6px 8px; background: var(--color-surface);
}
.v-legend-item .chip {
  width: 26px; height: 26px; border-radius: 6px; flex: 0 0 26px;
  border: 1px solid var(--color-line); box-shadow: inset 0 0 0 1px rgba(255,255,255,.3);
}
.v-legend-item .lg-num { font-family: var(--mono); font-weight: 700; font-size: 13px; color: var(--color-ink); }
.v-legend-item .lg-name { font-size: 11px; color: var(--color-ink-faint); line-height: 1.25; }
.v-legend-item .lg-count { font-family: var(--mono); font-size: 11px; color: var(--color-primary); margin-left: auto; white-space: nowrap; }

/* 打印专用容器 */
.print-wrap { display: none; }
@media print {
  body { overflow: visible; }
  .viewer-overlay, .topbar, .workbench, .toast, .consent-banner, .site-footer { display: none !important; }
  .print-wrap { display: block !important; }
  .print-wrap img { max-width: 100%; height: auto; page-break-inside: avoid; }
  @page { size: A4 landscape; margin: 10mm; }
}

/* ============================================================
   同意横幅(在线版数据采集前置门) · 设计文档 §5.1
   顶栏浮动,不遮挡核心工作区(下方留出空间),可关闭
   ============================================================ */
.consent-banner {
  position: fixed; top: 0; left: 0; right: 0; z-index: 150;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line-strong);
  box-shadow: var(--shadow-md);
  padding: 14px 20px;
  animation: consent-slide-in .25s ease;
}
.consent-banner[hidden] { display: none; }
.consent-banner__inner {
  max-width: 1180px; margin: 0 auto;
  display: flex; align-items: center; gap: 16px;
}
.consent-banner__icon { font-size: 24px; flex: 0 0 auto; }
.consent-banner__text { flex: 1; min-width: 0; }
.consent-banner__title {
  font-size: 14px; font-weight: 700; color: var(--color-ink);
  line-height: 1.4;
}
.consent-banner__sub {
  font-size: 12px; color: var(--color-ink-soft); line-height: 1.45;
  margin-top: 2px;
}
.consent-banner__sub a {
  color: var(--color-accent); text-decoration: none; white-space: nowrap;
}
.consent-banner__sub a:hover { text-decoration: underline; }
.consent-banner__actions {
  display: flex; gap: 8px; flex: 0 0 auto;
}
@keyframes consent-slide-in {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}
/* 横幅可见时把工作台往下挤,避免遮挡 */
body:has(.consent-banner:not([hidden])) .topbar { margin-top: 0; }

@media (max-width: 720px) {
  .consent-banner { padding: 12px 14px; }
  .consent-banner__inner { flex-wrap: wrap; gap: 10px; }
  .consent-banner__icon { display: none; }
  .consent-banner__actions { width: 100%; }
  .consent-banner__actions .btn { flex: 1; }
}

/* ============================================================
   页脚 · 撤回同意小链接(不遮挡核心工作区)
   ============================================================ */
.site-footer {
  position: fixed; right: 12px; bottom: 8px; z-index: 90;
  font-size: 11px;
}
.site-footer .footer-link {
  color: var(--color-ink-faint);
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(250,246,239,.7);
  backdrop-filter: blur(2px);
  transition: color .15s ease, background .15s ease;
}
.site-footer .footer-link:hover {
  color: var(--color-primary);
  background: var(--color-surface);
}
@media print { .site-footer { display: none !important; } }

/* ============================================================
   A/B 候选并排选择行（设计文档 §5.2）
   提取主色时跑 3 个参数变体,并排展示供用户挑一个进入主流程
   ============================================================ */
.candidate-row {
  margin: 8px 12px 0;
  padding: 12px 14px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.candidate-row-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.candidate-row-title {
  font-weight: 600;
  font-size: 13px;
  color: var(--color-ink);
  flex: 1;
}
.candidate-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
@media (max-width: 1100px) {
  .candidate-cards { grid-template-columns: 1fr; }
}
.candidate-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  padding: 10px;
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  cursor: pointer;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast), transform var(--dur-fast), background var(--dur-fast);
}
.candidate-card:hover {
  border-color: var(--color-primary);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.candidate-card:focus-visible {
  outline: none;
  box-shadow: var(--ring-primary);
}
.candidate-card.is-selected {
  border-color: var(--color-primary);
  background: var(--tint-primary);
  box-shadow: var(--ring-primary);
}
.candidate-card.is-selected::after {
  content: "✓ 已选";
  position: absolute; top: 8px; right: 8px;
  background: var(--color-primary); color: #FFF;
  font-size: 11px; font-weight: 700;
  padding: 2px 8px; border-radius: 999px;
  box-shadow: var(--shadow-sm);
}
.candidate-card.is-selected .cand-select { visibility: hidden; }
.candidate-card.is-loading {
  cursor: default;
  border-style: dashed;
}
.candidate-card.is-loading:hover { transform: none; box-shadow: none; border-color: var(--color-line); }

.cand-thumb {
  width: 100%;
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: repeating-conic-gradient(#f6f6f6 0% 25%, #ffffff 0% 50%) 0 / 12px 12px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.cand-canvas {
  max-width: 100%;
  max-height: 110px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  transition: transform var(--dur-fast);
}
.candidate-card:hover .cand-canvas { transform: scale(1.03); }
.cand-spinner {
  width: 22px; height: 22px;
  border: 3px solid var(--tint-primary);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: cand-spin 0.9s linear infinite;
}
@keyframes cand-spin { to { transform: rotate(360deg); } }

.cand-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 11px;
  line-height: 1.4;
  color: var(--color-ink);
  min-height: 56px;
}
.cand-label {
  font-weight: 700;
  font-size: 12px;
  color: var(--color-primary);
}
.cand-num { color: var(--color-ink); }
.cand-pool { color: var(--color-ink-faint); font-size: 10.5px; }
.cand-warn { color: #b87000; font-size: 10.5px; }
.cand-loading-text { color: var(--color-ink-faint); font-size: 11px; }

.cand-select {
  margin-top: 2px;
  align-self: stretch;
}

/* ============================================================
   评分卡（rating.js · 设计文档 §5.4）
   ============================================================ */
.rating-card {
  animation: card-pop var(--dur);
  border-color: var(--color-line-strong);
}
@keyframes card-pop {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.rating-row { display: flex; gap: 10px; margin-bottom: 10px; }
.rating-vote {
  flex: 1;
  display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 0;
  border: 1.5px solid var(--color-line-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: 14px; font-weight: 600; font-family: var(--font);
  color: var(--color-ink-soft); cursor: pointer;
  transition: border-color var(--dur-fast), background var(--dur-fast),
              color var(--dur-fast), box-shadow var(--dur-fast), transform var(--dur-fast);
}
.rating-vote:hover { border-color: var(--color-ink-faint); transform: translateY(-1px); }
.rating-up.active {
  border-color: var(--color-success);
  background: var(--tint-success);
  color: var(--color-success);
  box-shadow: 0 0 0 3px rgba(74,124,89,.14);
}
.rating-down.active {
  border-color: var(--color-error);
  background: var(--tint-error);
  color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(176,65,62,.14);
}
.rating-tags {
  display: none;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}
.rating-tag {
  padding: 4px 12px;
  border: 1px solid var(--color-line-strong);
  border-radius: 999px;
  background: var(--color-surface);
  font-size: 12px; font-weight: 500; font-family: var(--font);
  color: var(--color-ink-soft); cursor: pointer;
  transition: border-color var(--dur-fast), color var(--dur-fast), background var(--dur-fast), transform var(--dur-fast);
}
.rating-tag:hover { border-color: var(--color-ink-faint); color: var(--color-ink); transform: translateY(-1px); }
.rating-tags-pos .rating-tag.active {
  border-color: var(--color-success);
  background: var(--tint-success);
  color: var(--color-success);
}
.rating-tags-neg .rating-tag.active {
  border-color: var(--color-error);
  background: var(--tint-error);
  color: var(--color-error);
}
.rating-comment {
  width: 100%;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  font-size: 13px; font-family: var(--font);
  background: var(--color-surface);
  color: var(--color-ink);
  resize: vertical; min-height: 44px;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.rating-comment:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--focus-ring);
}
.rating-actions {
  display: flex; justify-content: flex-end; gap: 8px;
  margin-top: 10px;
}
.rating-hint {
  font-size: 11px; color: var(--color-ink-faint);
  margin: -4px 0 8px;
}

/* ============================================================
   换色面板（color-swap.js · 设计文档 §5.3）
   ============================================================ */
.color-swap-panel {
  position: fixed; z-index: 250;
  width: 344px; max-width: calc(100vw - 24px);
  max-height: min(520px, calc(100vh - 120px));
  display: flex; flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 12px 14px 14px;
  animation: panel-pop var(--dur);
}
@keyframes panel-pop {
  from { opacity: 0; transform: translateY(-6px) scale(.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.cs-head {
  display: flex; align-items: center; gap: 10px;
  padding-bottom: 10px; margin-bottom: 10px;
  border-bottom: 1px solid var(--color-line);
}
.cs-from {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--color-ink-soft);
}
.cs-chip--from .cs-chip-color { outline: 2px solid var(--color-primary); outline-offset: -2px; }
.cs-chip--from { cursor: default; padding: 3px 8px 3px 3px; border-radius: 999px; gap: 6px; }
.cs-chip--from .cs-chip-num { font-size: 12px; }
.cs-pos { flex: 1; font-size: 13px; font-weight: 600; color: var(--color-ink); }
.cs-close {
  width: 28px; height: 28px; flex: 0 0 28px;
  border: 1px solid var(--color-line-strong); border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-size: 16px; line-height: 1; color: var(--color-ink-soft); cursor: pointer;
  display: grid; place-items: center;
  transition: border-color var(--dur-fast), color var(--dur-fast), background var(--dur-fast);
}
.cs-close:hover { border-color: var(--color-error); color: var(--color-error); background: var(--tint-error); }
.cs-section-title {
  font-size: 12px; font-weight: 600; color: var(--color-ink-faint);
  margin: 4px 0 6px;
}
.cs-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 6px;
}
.cs-list.cs-full {
  overflow-y: auto;
  padding: 2px 2px 6px;
  margin: 0 -2px;
  scrollbar-width: thin;
  flex: 1; min-height: 80px; max-height: 260px;
  border-radius: var(--radius-sm);
}
.cs-empty {
  grid-column: 1 / -1;
  font-size: 12px; color: var(--color-ink-faint);
  padding: 8px 0;
}
.cs-chip {
  display: flex; flex-direction: column;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer; overflow: hidden; text-align: left;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast), transform var(--dur-fast);
}
.cs-chip:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.cs-chip:active { transform: translateY(0); }
.cs-chip-color {
  height: 26px; width: 100%; display: block;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.25);
}
.cs-chip-num {
  font-family: var(--mono); font-weight: 700; font-size: 11.5px;
  color: var(--color-ink); padding: 2px 6px 0;
}
.cs-chip-name {
  font-size: 10px; color: var(--color-ink-faint);
  padding: 0 6px 4px; line-height: 1.3;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.cs-chip--from { flex-direction: row; align-items: center; border: none; background: none; cursor: default; padding: 0; }
.cs-chip--from:hover { transform: none; box-shadow: none; border-color: transparent; }
.cs-chip--from .cs-chip-color { height: 24px; width: 24px; border-radius: 6px; }
.cs-chip--from .cs-chip-name { display: none; }