/* 法术培育屋（s1）
   颜色：冷灰绿实验纸底；四个位点各用一种矿物颜料——E 孔雀石绿、P 青金石蓝、T 雌黄、O 赤铁紫。
   规则：实心色块 = 表达出来的性状，空心描边 = 隐藏；实线框 = 正式记录，虚线框 = 测试。 */

:root {
  --paper: #EDF0EB; --sheet: #F8FAF6; --ink: #1C2331; --ink2: #434C59; --mute: #67716C;
  --rule: #D3D9D1; --rule2: #B9C2B8; --on: #F8FAF6;
  --E: #2E7A58; --P: #2F4F9E; --T: #9C6E0C; --O: #8A3D5F;
  --Et: #DCEAE1; --Pt: #DFE5F3; --Tt: #F1E7CF; --Ot: #EFDEE6;
  --danger: #A23A2C; --ok: #2E7A58;
  --serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --latin: "Spectral", Georgia, serif;
  --r-lg: 14px; --r-md: 8px; --r-sm: 5px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #13171B; --sheet: #1B2025; --ink: #E4E8E2; --ink2: #C3CAC2; --mute: #909A94;
    --rule: #2B3238; --rule2: #3B444B; --on: #11151A;
    --E: #62BF93; --P: #8CA6F2; --T: #E0B550; --O: #DA87AB;
    --Et: #1E352B; --Pt: #222B45; --Tt: #382F1D; --Ot: #3A2330;
    --danger: #EE8776; --ok: #62BF93;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #13171B; --sheet: #1B2025; --ink: #E4E8E2; --ink2: #C3CAC2; --mute: #909A94;
  --rule: #2B3238; --rule2: #3B444B; --on: #11151A;
  --E: #62BF93; --P: #8CA6F2; --T: #E0B550; --O: #DA87AB;
  --Et: #1E352B; --Pt: #222B45; --Tt: #382F1D; --Ot: #3A2330;
  --danger: #EE8776; --ok: #62BF93;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.6 var(--sans); min-height: 100vh; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--P); outline-offset: 2px; border-radius: 4px; }
.i { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* ───── 顶栏 ───── */
.top { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 28px; padding: 12px max(16px, calc((100vw - 1120px) / 2)); background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--rule); }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 700 19px/1 var(--serif); letter-spacing: .04em; white-space: nowrap; }
.brand .egg { width: 20px; height: 25px; }
.nav { display: flex; gap: 4px; flex: 1; }
.nav a { text-decoration: none; padding: 6px 12px; border-radius: 999px; color: var(--ink2); font-size: 15px; }
.nav a:hover { background: var(--sheet); }
.nav a[aria-current="page"] { background: var(--ink); color: var(--paper); }
.icon-btn { display: grid; place-items: center; width: 38px; height: 38px; border: 0; background: none; border-radius: 999px; cursor: pointer; color: var(--ink2); }
.icon-btn:hover { background: var(--sheet); }

.view { max-width: 1120px; margin: 0 auto; padding: 28px 16px 96px; }
.loading { color: var(--mute); }

/* ───── 通用 ───── */
h1 { font: 700 28px/1.3 var(--serif); margin: 0; letter-spacing: .02em; }
h2 { font: 600 19px/1.4 var(--serif); margin: 0 0 12px; }
h3 { font: 600 16px/1.4 var(--sans); margin: 0 0 8px; }
p { margin: 0 0 10px; }
.mute { color: var(--mute); }
.small { font-size: 13.5px; }
.head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.head p { margin: 6px 0 0; color: var(--mute); max-width: 60ch; }
.section { margin-top: 40px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.sheet { background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--r-lg); padding: 20px; }
.sheet.is-test { border-style: dashed; border-color: var(--rule2); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 38px; padding: 0 16px; border-radius: 999px; border: 1px solid var(--rule2); background: var(--sheet); cursor: pointer; font-size: 15px; text-decoration: none; white-space: nowrap; }
.btn:hover { border-color: var(--ink2); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn.primary:hover { opacity: .9; }
.btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, transparent); }
.btn.quiet { border-color: transparent; background: none; color: var(--ink2); padding: 0 10px; }
.btn.quiet:hover { background: var(--sheet); }
.btn.sm { min-height: 32px; padding: 0 12px; font-size: 14px; }

.field { width: 100%; min-height: 40px; padding: 8px 12px; border: 1px solid var(--rule2); border-radius: var(--r-md); background: var(--sheet); }
textarea.field { min-height: 96px; resize: vertical; line-height: 1.6; }
select.field { appearance: none; -webkit-appearance: none; padding-right: 32px; background-image: linear-gradient(45deg, transparent 50%, var(--mute) 50%), linear-gradient(135deg, var(--mute) 50%, transparent 50%); background-position: calc(100% - 17px) 50%, calc(100% - 12px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
label.lbl { display: block; font-size: 13.5px; color: var(--mute); margin: 0 0 4px; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.check { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; cursor: pointer; }

.chip { display: inline-flex; align-items: center; height: 22px; padding: 0 8px; border-radius: 999px; font-size: 12.5px; border: 1px solid var(--ink2); color: var(--ink2); white-space: nowrap; }
.chip.formal { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chip.test { border-style: dashed; color: var(--mute); border-color: var(--rule2); }
.chip.draft { border-style: dashed; }
.chip.ok { border-color: var(--ok); color: var(--ok); }
.chip.dead { border-color: var(--danger); color: var(--danger); }

.seg { display: inline-flex; padding: 3px; border-radius: 999px; background: var(--sheet); border: 1px solid var(--rule); }
.seg button { border: 0; background: none; padding: 5px 16px; border-radius: 999px; cursor: pointer; font-size: 14.5px; color: var(--ink2); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.seg button:disabled { opacity: .4; cursor: not-allowed; }

.empty { padding: 32px 20px; text-align: center; color: var(--mute); border: 1px dashed var(--rule2); border-radius: var(--r-lg); }
.empty .btn { margin-top: 12px; }

/* ───── 染色体条（本站的主角） ───── */
.karyo { display: grid; gap: 8px; }
.chrom { display: grid; grid-template-columns: 22px 1fr 1fr; align-items: center; gap: 6px; }
.chrom .lt { font: italic 600 18px/1 var(--latin); text-align: center; }
.band { position: relative; display: flex; align-items: center; justify-content: center; min-height: 34px; padding: 4px 8px; border-radius: var(--r-sm); font-size: 14.5px; line-height: 1.25; text-align: center; border: 1.5px solid; }
.chrom[data-l="E"] { --c: var(--E); --t: var(--Et); }
.chrom[data-l="P"] { --c: var(--P); --t: var(--Pt); }
.chrom[data-l="T"] { --c: var(--T); --t: var(--Tt); }
.chrom[data-l="O"] { --c: var(--O); --t: var(--Ot); }
.chrom .lt { color: var(--c); }
.band { border-color: var(--c); color: var(--c); background: transparent; }
.band.on { background: var(--c); color: var(--on); }
.band.mid { background: var(--t); color: var(--ink); }
.band.unk { border-style: dashed; color: var(--mute); border-color: var(--rule2); }
.band .from { position: absolute; top: -7px; right: 4px; font-size: 10.5px; line-height: 13px; padding: 0 4px; border-radius: 4px; background: var(--sheet); color: var(--mute); border: 1px solid var(--rule); display: none; }
.chrom .ex { grid-column: 2 / 4; font-size: 13px; font-style: normal; color: var(--ink2); margin: -2px 0 2px; }
.chrom.fused .band:first-of-type { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.chrom.fused .band:last-of-type { border-top-left-radius: 0; border-bottom-left-radius: 0; }
.chrom.fused { column-gap: 0; }
.chrom.fused .lt { margin-right: 6px; }

/* 列表里的缩略版：每个位点两小格 */
.mini { display: inline-grid; grid-template-columns: repeat(4, auto); gap: 4px; }
.mini span { display: inline-flex; gap: 2px; }
.mini i { width: 7px; height: 16px; border-radius: 2px; border: 1.5px solid var(--c); }
.mini i.on { background: var(--c); }
.mini i.mid { background: var(--t); }
.mini i.unk { border-style: dashed; border-color: var(--rule2); }
.mini [data-l="E"] { --c: var(--E); --t: var(--Et); }
.mini [data-l="P"] { --c: var(--P); --t: var(--Pt); }
.mini [data-l="T"] { --c: var(--T); --t: var(--Tt); }
.mini [data-l="O"] { --c: var(--O); --t: var(--Ot); }

/* ───── 培育台 ───── */
.stage { position: relative; display: grid; grid-template-columns: 1fr minmax(220px, 300px) 1fr; gap: 56px; align-items: start; }
.slot { display: grid; gap: 12px; }
.slot .slot-name { font: 600 17px/1.35 var(--serif); min-height: 23px; }
.slot .placeholder { display: grid; gap: 8px; }
.slot .placeholder div { height: 34px; border-radius: var(--r-sm); border: 1.5px dashed var(--rule2); }
.core { display: grid; gap: 14px; justify-items: stretch; }
.core .go { min-height: 48px; font-size: 16px; }
.egg-wrap { min-height: 200px; scroll-margin-top: 76px; }
.egg-empty { display: grid; place-items: center; height: 200px; border: 1.5px dashed var(--rule2); border-radius: 50% 50% 46% 46% / 58% 58% 42% 42%; color: var(--mute); font-size: 14px; text-align: center; padding: 20px; }
.lines { position: absolute; inset: 0; pointer-events: none; overflow: visible; z-index: 0; }
.stage > .slot, .stage > .core { position: relative; z-index: 1; }
/* 传给子代的那一份：外面加一圈同色细环 */
.band.sent { box-shadow: 0 0 0 2px var(--paper), 0 0 0 3.5px var(--c); }
.lines path { fill: none; stroke-width: 1.6; stroke-linecap: round; opacity: .75; }
.lines.draw path { stroke-dasharray: var(--len); stroke-dashoffset: var(--len); animation: draw .55s ease-out forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.born .band { animation: pop .35s ease-out both; }
.born .chrom:nth-child(2) .band { animation-delay: .09s; }
.born .chrom:nth-child(3) .band { animation-delay: .18s; }
.born .chrom:nth-child(4) .band { animation-delay: .27s; }
@keyframes pop { from { opacity: 0; transform: scale(.85); } }
.child-head { display: grid; gap: 4px; margin-bottom: 12px; }
.child-head .nm { font: 700 20px/1.35 var(--serif); }
.result-note { margin-top: 28px; display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.result-note .sheet { padding: 16px 18px; }
.result-note ul { margin: 0; padding-left: 1.1em; }
.result-note li { margin: 2px 0; }
.lock-hint { font-size: 13.5px; color: var(--mute); }

/* ───── 列表 ───── */
.list { border-top: 1px solid var(--rule); }
.item { display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; padding: 14px 4px; border-bottom: 1px solid var(--rule); text-decoration: none; }
a.item:hover { background: color-mix(in srgb, var(--sheet) 70%, transparent); }
.item .t { font-weight: 600; }
.item .s { font-size: 13.5px; color: var(--mute); margin-top: 2px; }
.item .meta { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.item.archived { opacity: .6; }
.item.dead .t { text-decoration: line-through; color: var(--mute); }
.filters { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
.filters .field { width: auto; min-width: 180px; }

/* ───── 详情 ───── */
.detail { display: grid; grid-template-columns: minmax(280px, 380px) 1fr; gap: 40px; align-items: start; }
.detail .karyo .band { min-height: 40px; font-size: 15.5px; }
.kv { display: grid; grid-template-columns: 5.5em 1fr; gap: 6px 14px; margin: 0; }
.kv dt { color: var(--mute); }
.kv dd { margin: 0; }
.tree { font-size: 14.5px; }
.tree ul { list-style: none; margin: 0; padding-left: 18px; border-left: 1px solid var(--rule); }
.tree > ul { padding-left: 0; border: 0; }
.tree li { margin: 4px 0; }
.tree a { text-decoration: none; border-bottom: 1px solid var(--rule2); }
.desc { white-space: pre-wrap; }

/* ───── 测试报告 ───── */
.bars { display: grid; gap: 10px; }
.bar { display: grid; grid-template-columns: minmax(120px, 1.2fr) 2fr 7em; gap: 12px; align-items: center; font-size: 14px; }
.bar .k { overflow-wrap: anywhere; }
.bar .track { position: relative; height: 14px; background: var(--paper); border-radius: 3px; border: 1px solid var(--rule); }
.bar .obs { position: absolute; inset: 0 auto 0 0; background: var(--P); border-radius: 2px; }
.bar .exp { position: absolute; top: -4px; bottom: -4px; width: 2px; background: var(--ink); }
.bar .v { font-variant-numeric: tabular-nums; color: var(--ink2); text-align: right; }
.legend { display: flex; gap: 16px; font-size: 13px; color: var(--mute); margin: 4px 0 12px; }
.legend i { display: inline-block; width: 12px; height: 10px; background: var(--P); border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.legend i.exp { width: 2px; height: 14px; background: var(--ink); vertical-align: -3px; }
details.more > summary { cursor: pointer; color: var(--ink2); font-size: 14.5px; list-style: none; }
details.more > summary::-webkit-details-marker { display: none; }
details.more > summary::before { content: "＋ "; color: var(--mute); }
details.more[open] > summary::before { content: "－ "; }
details.more > div { margin-top: 12px; display: grid; gap: 12px; }
.report { padding: 18px 20px; }
.report + .report { margin-top: 14px; }
pre.code { white-space: pre-wrap; font: 13px/1.55 ui-monospace, Menlo, monospace; background: var(--paper); border: 1px solid var(--rule); border-radius: var(--r-md); padding: 12px; margin: 0; max-height: 360px; overflow: auto; }

/* ───── 规则 ───── */
.weights { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; }
.tbl { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.tbl th, .tbl td { text-align: left; padding: 8px 10px 8px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.tbl th { font-weight: 500; color: var(--mute); font-size: 13px; }
.tbl-wrap { overflow-x: auto; }
.locus-h { display: flex; align-items: baseline; gap: 10px; margin: 22px 0 6px; }
.locus-h .lt { font: italic 600 20px/1 var(--latin); }

/* ───── 弹窗、提示 ───── */
.dlg { border: 1px solid var(--rule); border-radius: var(--r-lg); background: var(--sheet); color: var(--ink); padding: 0; width: min(520px, calc(100vw - 32px)); max-height: calc(100vh - 48px); }
.dlg::backdrop { background: rgba(10, 14, 18, .45); }
.dlg .in { padding: 22px 22px 18px; display: grid; gap: 14px; }
.dlg .acts { display: flex; justify-content: flex-end; gap: 10px; margin-top: 4px; flex-wrap: wrap; }
.dlg h2 { margin: 0; }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; background: var(--ink); color: var(--paper); padding: 10px 18px; border-radius: 999px; font-size: 14.5px; transition: .25s; z-index: 50; max-width: calc(100vw - 32px); }
.toast.on { opacity: 1; transform: translate(-50%, 0); }
.lock { max-width: 360px; margin: 12vh auto 0; display: grid; gap: 14px; text-align: center; }
.lock .egg { width: 44px; height: 55px; margin: 0 auto; }
.err { color: var(--danger); font-size: 14px; }

/* ───── 手机 ───── */
@media (max-width: 860px) {
  .stage { grid-template-columns: 1fr 1fr; gap: 20px 16px; }
  .stage .core { grid-column: 1 / -1; order: 3; }
  .lines { display: none; }
  .band .from { display: block; }
  .detail { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 640px) {
  /* backdrop-filter 会让底部导航的 fixed 以顶栏为参照，手机上去掉 */
  .top { gap: 12px; padding-top: 10px; padding-bottom: 10px; backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--paper); }
  .nav { position: fixed; left: 0; right: 0; bottom: 0; justify-content: space-around; padding: 8px 8px calc(8px + env(safe-area-inset-bottom)); background: var(--sheet); border-top: 1px solid var(--rule); }
  .nav a { padding: 6px 10px; }
  .top .icon-btn { margin-left: auto; }
  h1 { font-size: 24px; }
  .view { padding-top: 22px; padding-bottom: 110px; }
  .stage { grid-template-columns: 1fr; }
  .chrom { grid-template-columns: 20px 1fr 1fr; }
  .item { grid-template-columns: 1fr; gap: 8px; }
  .item .meta { justify-content: flex-start; }
  .bar { grid-template-columns: 1fr 5.5em; }
  .bar .track { grid-column: 1 / -1; grid-row: 2; }
  .toast { bottom: 84px; }
}
@media (prefers-reduced-motion: reduce) {
  .lines.draw path, .born .band { animation: none; }
  .toast { transition: none; }
}