/* ===== ColorBlind 样式（顶栏、面板、按钮沿用 ImgCompress/GifOptimizer 同一套色板，
   本文件新增的是：模拟视图网格、配色体检卡、ΔE00 矩阵与 colormap 体检表）===== */
:root {
  --bg: #f5f6f8;
  --bg-card: #ffffff;
  --bg-hover: #f0f2f5;
  --text: #2c3e50;
  --text-sub: #64707d;
  --border: #e8ebef;
  --accent: #0d9488;
  --accent-soft: rgba(13, 148, 136, .1);
  --accent-text: #fff;
  --danger: #cc3b34;
  --danger-soft: rgba(204, 59, 52, .1);
  --warn: #9a6207;
  --warn-soft: rgba(154, 98, 7, .12);
  --ok: #2f7d4f;
  --ok-soft: rgba(47, 125, 79, .1);
  --shadow: 0 2px 8px rgba(30, 40, 60, .06);
  --bar-bg: #f7f8fa;
  --code-bg: #f4f6f9;
  --tag-bg: #eef2f7;
  --checker: #e9edf2;
}

html[data-theme="dark"] {
  --bg: #060a17;
  --bg-card: #0d1424;
  --bg-hover: #1a2336;
  --text: #dce3ec;
  --text-sub: #96a3b8;
  --border: #1e2a44;
  --accent: #2dd4bf;
  --accent-soft: rgba(45, 212, 191, .16);
  --accent-text: #06251f;
  --danger: #ff7a72;
  --danger-soft: rgba(255, 122, 114, .16);
  --warn: #e0a63c;
  --warn-soft: rgba(224, 166, 60, .16);
  --ok: #5fd18b;
  --ok-soft: rgba(95, 209, 139, .14);
  --shadow: 0 2px 10px rgba(0, 0, 0, .5);
  --bar-bg: #0a1120;
  --code-bg: #101a30;
  --tag-bg: #16213a;
  --checker: #131d33;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-variant-numeric: tabular-nums;
  transition: background .25s, color .25s;
}

/* ===== 顶栏 ===== */
.topbar {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 18px; background: var(--bar-bg);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.topbar .back { color: var(--accent); text-decoration: none; font-size: 14px; white-space: nowrap; }
.topbar .back:hover { text-decoration: underline; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-mark { width: 34px; height: 34px; border-radius: 8px; background: var(--accent-soft); display: flex; align-items: center; justify-content: center; flex: none; }
.brand-mark img { width: 26px; height: 26px; }
.brand-text h1 { font-size: 17px; line-height: 1.2; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand-text p { font-size: 12px; color: var(--text-sub); line-height: 1.2; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.spacer { flex: 1; }
.icon-btn {
  border: 1px solid var(--border); background: var(--bg-card); color: var(--text);
  border-radius: 8px; padding: 6px 10px; cursor: pointer; font-size: 15px; line-height: 1;
}
.icon-btn:hover { background: var(--bg-hover); }
.lang-switch { display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.lang-btn {
  border: none; background: var(--bg-card); color: var(--text-sub);
  padding: 6px 10px; font-size: 13px; cursor: pointer; text-decoration: none;
}
.lang-btn + .lang-btn { border-left: 1px solid var(--border); }
.lang-btn.active { background: var(--accent); color: var(--accent-text); }

/* ===== 布局 ===== */
.cb { max-width: 1180px; margin: 0 auto; padding: 14px 16px 4px; }
.panel {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 16px 16px; box-shadow: var(--shadow); margin-bottom: 14px;
}
.sec-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-bottom: 10px; }
.sec-head h2 { font-size: 16px; margin-right: auto; }
.panel h3 { font-size: 14px; margin: 18px 0 8px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; }
.btn {
  border: 1px solid var(--border); background: var(--bg-card); color: var(--text);
  border-radius: 8px; padding: 7px 14px; font-size: 14px; cursor: pointer;
  font-family: inherit; transition: background .15s, border-color .15s;
}
.btn:hover { background: var(--bg-hover); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-sm { padding: 5px 11px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.hint { font-size: 12.5px; color: var(--text-sub); margin-top: 8px; }
.imgmeta { font-size: 12.5px; color: var(--text-sub); margin-top: 10px; }
.ax-slot { display: flex; align-items: center; }

/* ===== 分段按钮 ===== */
.seg { display: flex; flex-wrap: wrap; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg-btn {
  border: none; background: var(--bg-card); color: var(--text-sub);
  padding: 6px 12px; font-size: 13px; cursor: pointer; font-family: inherit;
}
.seg-btn + .seg-btn { border-left: 1px solid var(--border); }
.seg-btn:hover { background: var(--bg-hover); }
.seg-btn.active { background: var(--accent); color: var(--accent-text); font-weight: 600; }

/* ===== 上传区 ===== */
.dropzone {
  border: 2px dashed var(--border); border-radius: 12px; padding: 26px 18px;
  text-align: center; cursor: pointer; transition: border-color .15s, background .15s;
}
.dropzone:hover, .dropzone:focus-visible { border-color: var(--accent); background: var(--accent-soft); outline: none; }
.dropzone.drag { border-color: var(--accent); background: var(--accent-soft); }
.dz-icon { color: var(--accent); margin-bottom: 6px; }
.dz-title { font-size: 16px; font-weight: 600; }
.dz-sub { font-size: 13px; color: var(--text-sub); margin: 3px 0 12px; }
.dz-hint { font-size: 12px; color: var(--text-sub); margin-top: 12px; }
body.dragging-file { outline: 3px dashed var(--accent); outline-offset: -8px; }

/* ===== 视图网格 ===== */
.controls { display: flex; flex-wrap: wrap; gap: 14px 24px; align-items: center; }
.ctl { display: flex; align-items: center; gap: 8px; }
.ctl-lb { font-size: 13px; color: var(--text-sub); white-space: nowrap; }
.ctl output { font-size: 13px; min-width: 42px; font-weight: 600; }
.ctl input[type="range"] { width: 168px; accent-color: var(--accent); }
.ctl-checks { flex-wrap: wrap; gap: 6px 14px; }
.ctl-checks label { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; cursor: pointer; }
.ctl-checks input { accent-color: var(--accent); }

.load-grid {
  /* 400px 起跳：内容区约 1090px 时每行只放得下 2 个 → 默认四个视角正好 2×2；
     用 280px 会挤成 3 列 + 第二行孤零零一个。窄屏自动降到 1 列。 */
  display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 12px; margin-top: 12px;
}
.pane { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: var(--bg-card); }
.pane.off { display: none; }
.pane-cap {
  display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap;
  padding: 6px 10px; background: var(--bar-bg); border-bottom: 1px solid var(--border);
}
.pane-t { font-size: 13px; font-weight: 600; }
.pane-note { font-size: 11.5px; color: var(--text-sub); margin-left: auto; }
.pane-wrap {
  overflow: auto; max-height: 46vh; display: flex; align-items: flex-start; justify-content: center;
  background-color: var(--checker);
  background-image:
    linear-gradient(45deg, rgba(127, 140, 155, .16) 25%, transparent 25%, transparent 75%, rgba(127, 140, 155, .16) 75%),
    linear-gradient(45deg, rgba(127, 140, 155, .16) 25%, transparent 25%, transparent 75%, rgba(127, 140, 155, .16) 75%);
  background-size: 18px 18px;
  background-position: 0 0, 9px 9px;
}
.pane-canvas { display: block; max-width: 100%; height: auto; }
.load-grid.actual .pane-canvas { max-width: none; }

/* ===== 判定徽章 ===== */
.badge {
  display: inline-flex; align-items: center; gap: 4px; border-radius: 999px;
  padding: 1px 9px; font-size: 12px; font-weight: 600; white-space: nowrap;
}
.badge.safe { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.danger { background: var(--danger-soft); color: var(--danger); }
.badge .g { font-size: 11px; }

/* ===== 总判定横幅 ===== */
.verdict {
  display: flex; align-items: flex-start; gap: 12px;
  border: 1px solid var(--border); border-left-width: 4px; border-radius: 10px;
  padding: 12px 14px; margin: 4px 0 14px; background: var(--bg-hover);
}
.verdict.safe { border-left-color: var(--ok); }
.verdict.warn { border-left-color: var(--warn); }
.verdict.danger { border-left-color: var(--danger); }
.vb-icon {
  flex: none; width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 17px; font-weight: 700; color: #fff;
}
.verdict.safe .vb-icon { background: var(--ok); }
.verdict.warn .vb-icon { background: var(--warn); }
.verdict.danger .vb-icon { background: var(--danger); }
.vb-title { font-size: 14.5px; font-weight: 600; }
.vb-sub { font-size: 13px; color: var(--text-sub); }

/* ===== 调色板色块 ===== */
.pal-strip { display: flex; flex-wrap: wrap; gap: 8px; }
.pal {
  border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
  cursor: pointer; background: var(--bg-card); min-width: 92px; font-family: inherit;
  padding: 0; text-align: left;
}
.pal:hover { border-color: var(--accent); }
.pal-chip { height: 34px; display: block; }
.pal-txt { display: block; padding: 4px 7px; font-size: 11.5px; color: var(--text-sub); line-height: 1.35; }
.pal-txt b { display: block; color: var(--text); font-size: 11.5px; font-weight: 600; font-variant-numeric: tabular-nums; }

/* ===== 视角卡 ===== */
.view-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(258px, 1fr)); gap: 10px; }
.vcard { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; background: var(--bg-card); }
.vcard-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.vcard-head .nm { font-size: 13.5px; font-weight: 600; margin-right: auto; }
/* 指标做成两列网格：标签左、粗体数值右。原来整句挤在一行会折成三行，
   数值埋在一堆汉字里，34 行的表格没法竖着扫。 */
.vcard-metric {
  display: grid; grid-template-columns: 1fr auto; gap: 1px 10px; align-items: baseline;
  font-size: 12.5px; color: var(--text-sub);
}
.vcard-metric .mk { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.vcard-metric b {
  color: var(--text); font-size: 13.5px; font-weight: 600;
  font-variant-numeric: tabular-nums; text-align: right;
}
.vcard-pairs { display: flex; flex-direction: column; gap: 5px; margin-top: 8px; }
.pair { display: flex; align-items: center; gap: 7px; font-size: 12px; }
.pair-sw {
  width: 26px; height: 16px; border-radius: 4px; border: 1px solid rgba(127, 140, 155, .45); flex: none;
  position: relative; overflow: hidden;
}
.pair-sw i { position: absolute; top: 0; bottom: 0; width: 50%; display: block; }
.pair-sw i:first-child { left: 0; }
.pair-sw i:last-child { right: 0; }
.pair-de { font-variant-numeric: tabular-nums; font-weight: 600; min-width: 46px; }
.pair-note { color: var(--text-sub); font-size: 11.5px; }
.vcard-empty { font-size: 12.5px; color: var(--text-sub); margin-top: 4px; }
.vcard-swatches { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 8px; }
.vcard-swatches i { width: 20px; height: 20px; border-radius: 4px; border: 1px solid rgba(127, 140, 155, .45); }

/* ===== ΔE00 矩阵 ===== */
.matrix-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.matrix-wrap { overflow-x: auto; }
table.matrix { border-collapse: collapse; font-size: 12px; }
table.matrix th, table.matrix td {
  border: 1px solid var(--border); padding: 3px 6px; text-align: center;
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
table.matrix th { background: var(--bar-bg); font-weight: 600; }
table.matrix td.diag { background: var(--tag-bg); color: var(--text-sub); }
table.matrix td.safe { background: var(--ok-soft); color: var(--ok); }
table.matrix td.warn { background: var(--warn-soft); color: var(--warn); font-weight: 600; }
table.matrix td.danger { background: var(--danger-soft); color: var(--danger); font-weight: 700; }
table.matrix .swcell { display: inline-flex; align-items: center; gap: 5px; }
table.matrix .swcell i { width: 14px; height: 14px; border-radius: 3px; border: 1px solid rgba(127, 140, 155, .45); flex: none; }
table.matrix .rx { font-size: 11px; color: var(--text-sub); text-align: left; }

/* ===== colormap 体检表 ===== */
.cm-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; font-size: 12px; color: var(--text-sub); margin: 8px 0 10px; }
.cm-legend-item { display: inline-flex; align-items: center; gap: 5px; }
.cm-legend-t { margin-right: 4px; }
.sw { width: 22px; height: 12px; border-radius: 3px; border: 1px solid rgba(127, 140, 155, .45); display: inline-block; }
.cm-list { display: flex; flex-direction: column; gap: 6px; }
.cm-row {
  /* 第三列从 240px 放到 268px：四项指标两列排，标签 10 个汉字也放得下不折行 */
  display: grid; grid-template-columns: 148px 1fr 268px; gap: 10px; align-items: center;
  border: 1px solid var(--border); border-radius: 9px; padding: 7px 10px; background: var(--bg-card);
}
.cm-name { font-size: 13px; font-weight: 600; line-height: 1.3; }
.cm-name span { display: block; font-size: 11px; color: var(--text-sub); font-weight: 400; }
.cm-strips { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.cm-strip { height: 13px; border-radius: 3px; border: 1px solid rgba(127, 140, 155, .3); }
.cm-meta { display: flex; flex-direction: column; gap: 5px; align-items: flex-start; }
.cm-nums {
  align-self: stretch;
  display: grid; grid-template-columns: 1fr auto; gap: 1px 8px; align-items: baseline;
  font-size: 11.5px; color: var(--text-sub); font-variant-numeric: tabular-nums;
}
.cm-nums .ck { white-space: nowrap; }
.cm-nums b { color: var(--text); font-weight: 600; text-align: right; }
.cm-filters-empty { font-size: 13px; color: var(--text-sub); padding: 10px 2px; }

/* ===== 说明区 ===== */
.doc {
  max-width: 1180px; margin: 0 auto 30px; padding: 18px 20px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow);
}
.doc h2 { font-size: 16px; margin: 20px 0 8px; }
.doc h2:first-child { margin-top: 0; }
.doc p, .doc li { font-size: 14px; color: var(--text); }
.doc p + p { margin-top: 8px; }
.doc ul, .doc ol { margin: 6px 0 6px 22px; }
.doc li { margin-bottom: 5px; }
.doc dl.faq { margin-top: 4px; }
.doc dl.faq dt { font-weight: 600; font-size: 14px; margin-top: 12px; }
.doc dl.faq dd { font-size: 13.5px; color: var(--text-sub); margin-top: 3px; }
.doc .rel-links { list-style: none; margin-left: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.doc .rel-links a {
  display: inline-block; border: 1px solid var(--border); border-radius: 8px;
  padding: 5px 11px; font-size: 13px; color: var(--accent); text-decoration: none;
}
.doc .rel-links a:hover { background: var(--accent-soft); }
.doc .ver { margin-top: 18px; font-size: 12.5px; color: var(--text-sub); }

/* ===== Toast ===== */
.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translate(-50%, 16px);
  background: var(--text); color: var(--bg-card); padding: 9px 16px; border-radius: 9px;
  font-size: 13.5px; opacity: 0; pointer-events: none; transition: opacity .22s, transform .22s; z-index: 90;
}
.toast.show { opacity: .96; transform: translate(-50%, 0); }

/* ===== 窄屏 ===== */
@media (max-width: 900px) {
  .brand-text p { display: none; }
  .cm-row { grid-template-columns: 1fr; }
  .cm-meta { flex-direction: row; align-items: center; gap: 10px; flex-wrap: wrap; }
  /* 窄屏 cm-meta 变成横向排列，stretch 会把指标块纵向拉高，改回按内容高度 */
  .cm-nums { align-self: center; min-width: 232px; }
  .ctl input[type="range"] { width: 120px; }
}
@media (max-width: 620px) {
  .topbar { flex-wrap: wrap; gap: 8px; padding: 8px 12px; }
  .brand-text h1 { font-size: 15px; }
  .cb { padding: 10px 10px 4px; }
  .panel { padding: 12px 12px 14px; }
}
@media print {
  .topbar, .dropzone, .cm-list, .toast { display: none; }
}