/* 象水供应链 — 工作台样式。主色取 PCB 阻焊绿；料号用等宽字体并区分 0/O。 */
:root {
  --ink: #17211c;
  --graphite: #56625c;
  --paper: #f3f6f4;
  --card: #ffffff;
  --rule: #d8e0dc;
  --rule-soft: #e8eeeb;
  --pcb: #1e6b47;
  --pcb-deep: #134a31;
  --pcb-soft: #e2f0e8;
  --amber: #8f5b0c;
  --amber-soft: #fbf0d9;
  --red: #a2281f;
  --red-soft: #f8e4e1;
  --slate-soft: #e9edf3;
  --slate: #3f4b63;
  --epoxy: #1d2220;
  --marking: #d3dbd7;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, sans-serif;
  --mono: "SF Mono", "Cascadia Mono", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.6 var(--sans); }
a { color: var(--pcb-deep); text-underline-offset: 2px; }
a:hover { color: var(--pcb); }
:focus-visible { outline: 2px solid var(--pcb); outline-offset: 2px; }
h1 { font-size: 22px; line-height: 1.3; margin: 0 0 4px; font-weight: 600; }
h2 { font-size: 17px; line-height: 1.4; margin: 28px 0 10px; font-weight: 600; }
h3 { font-size: 15px; margin: 18px 0 8px; font-weight: 600; }
p { margin: 0 0 10px; }
.muted { color: var(--graphite); }
.small { font-size: 13px; }
.pn, code, .mono { font-family: var(--mono); font-variant-numeric: slashed-zero; font-feature-settings: "zero" 1; letter-spacing: .01em; }

/* ---------- top bar ---------- */
.top { background: var(--epoxy); color: #e8ece9; }
.top-inner { max-width: 1280px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; gap: 20px; min-height: 52px; }
.brand { color: #fff; font-weight: 600; text-decoration: none; white-space: nowrap; letter-spacing: .02em; }
.brand span { color: #8fc7a8; font-weight: 400; margin-left: 6px; font-size: 13px; }
.nav { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; flex: 1; }
.nav::-webkit-scrollbar { display: none; }
.nav a { color: #c4ccc8; text-decoration: none; padding: 14px 10px 12px; white-space: nowrap; border-bottom: 2px solid transparent; font-size: 14px; }
.nav a:hover { color: #fff; }
.nav a.on { color: #fff; border-bottom-color: #4fb37f; }
.who { display: flex; align-items: center; gap: 10px; font-size: 13px; color: #aab4af; white-space: nowrap; }
.who form { margin: 0; }
.who button { background: none; border: 0; color: #aab4af; cursor: pointer; font: inherit; padding: 0; }
.who button:hover { color: #fff; }

main { max-width: 1280px; margin: 0 auto; padding: 24px 20px 64px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.page-head p { margin: 0; }

/* ---------- flash ---------- */
.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 12px; border: 1px solid var(--rule); background: var(--card); }
.flash.ok { border-color: #b8d9c6; background: var(--pcb-soft); }
.flash.error { border-color: #e6bdb7; background: var(--red-soft); }
.flash.warn { border-color: #ead3a2; background: var(--amber-soft); }

/* ---------- forms ---------- */
label { display: block; font-size: 13px; color: var(--graphite); margin-bottom: 4px; }
input[type=text], input[type=password], input[type=date], input[type=number], input[type=search], select, textarea {
  width: 100%; font: inherit; color: var(--ink); background: #fff; border: 1px solid #c3cdc8; border-radius: 6px; padding: 8px 10px; }
textarea { resize: vertical; min-height: 120px; }
textarea.pn-input { font-family: var(--mono); font-variant-numeric: slashed-zero; font-feature-settings: "zero" 1; font-size: 14px; line-height: 1.55; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--pcb); box-shadow: 0 0 0 3px rgba(30,107,71,.15); }
.row { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); align-items: end; margin-bottom: 12px; }
.check { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--ink); margin: 0 14px 0 0; }
.check input { width: 16px; height: 16px; accent-color: var(--pcb); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-size: 14px; border-radius: 6px;
  padding: 8px 16px; border: 1px solid var(--pcb); background: var(--pcb); color: #fff; cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn:hover { background: var(--pcb-deep); color: #fff; }
.btn.ghost { background: #fff; color: var(--pcb-deep); }
.btn.ghost:hover { background: var(--pcb-soft); }
.btn.quiet { background: transparent; border-color: var(--rule); color: var(--ink); }
.btn.quiet:hover { background: var(--rule-soft); }
.btn.small { padding: 4px 10px; font-size: 13px; }
.btn.danger { background: #fff; border-color: #dba59e; color: var(--red); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
form.inline { display: inline; margin: 0; }

/* ---------- panels and tables ---------- */
.panel { background: var(--card); border: 1px solid var(--rule); border-radius: 8px; padding: 16px 18px; margin-bottom: 16px; }
.table-wrap { background: var(--card); border: 1px solid var(--rule); border-radius: 8px; overflow-x: auto; margin-bottom: 16px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-weight: 500; color: var(--graphite); font-size: 13px; padding: 9px 10px; border-bottom: 1px solid var(--rule); background: #f8faf9; white-space: nowrap; }
td { padding: 8px 10px; border-bottom: 1px solid var(--rule-soft); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.dim td { color: var(--graphite); }
.nowrap { white-space: nowrap; }

.tag { display: inline-block; font-size: 12px; line-height: 1.5; padding: 0 7px; border-radius: 4px; background: var(--rule-soft); color: var(--graphite); white-space: nowrap; }
.tag.l1 { background: var(--pcb); color: #fff; }
.tag.l2 { background: var(--pcb-soft); color: var(--pcb-deep); }
.tag.l3 { background: var(--amber-soft); color: var(--amber); }
.tag.l4 { background: var(--slate-soft); color: var(--slate); }
.tag.l5 { background: var(--slate-soft); color: var(--slate); }
.tag.new { background: #eaf1fb; color: #24456f; }
.tag.used { background: #f4ece2; color: #6b4a1f; }
.tag.eol { background: var(--red-soft); color: var(--red); }
.tag.warn { background: var(--amber-soft); color: var(--amber); }

/* ---------- search ---------- */
.search-box { display: grid; grid-template-columns: 1fr 260px; gap: 16px; }
.search-box .side { display: flex; flex-direction: column; gap: 10px; }
.result { background: var(--card); border: 1px solid var(--rule); border-radius: 8px; margin-bottom: 18px; overflow: hidden; }
.result-head { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; padding: 14px 16px; border-bottom: 1px solid var(--rule-soft); }
.marking { background: var(--epoxy); color: var(--marking); font-family: var(--mono); font-variant-numeric: slashed-zero; font-feature-settings: "zero" 1;
  font-size: 17px; letter-spacing: .06em; padding: 7px 14px 6px; border-radius: 5px; position: relative; }
.marking::before { content: ""; position: absolute; left: 7px; top: 7px; width: 5px; height: 5px; border-radius: 50%; background: #3b423f; }
.marking.spec { font-family: var(--sans); letter-spacing: 0; font-size: 15px; }
.ident { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 14px; color: var(--graphite); }
.ident b { color: var(--ink); font-weight: 600; }
.result-sum { margin-left: auto; font-size: 14px; white-space: nowrap; }
.result-sum strong { font-size: 18px; color: var(--pcb-deep); font-variant-numeric: tabular-nums; }
.result-sum.none strong { color: var(--red); }
.links { display: flex; flex-wrap: wrap; gap: 4px 14px; padding: 8px 16px; font-size: 13px; border-bottom: 1px solid var(--rule-soft); background: #fafcfb; }
.links a { color: var(--graphite); }
.result .table-wrap { border: 0; border-radius: 0; margin: 0; }
.result-foot { padding: 10px 16px; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; border-top: 1px solid var(--rule-soft); background: #fafcfb; }
.result-foot input { max-width: 180px; padding: 5px 8px; font-size: 13px; }
.empty { padding: 16px; color: var(--graphite); }
.refs { padding: 10px 16px; border-top: 1px solid var(--rule-soft); font-size: 14px; }

.copybox { font-family: var(--mono); white-space: pre-wrap; background: #fbfcfb; border: 1px dashed #b9c6bf; border-radius: 6px; padding: 12px; font-size: 13.5px; }

/* ---------- login ---------- */
.login { max-width: 360px; margin: 12vh auto 0; }
.login h1 { margin-bottom: 18px; }
.login .panel { padding: 22px; }

/* ---------- phone ---------- */
@media (max-width: 760px) {
  body { font-size: 15px; }
  .top-inner { padding: 0 12px; gap: 10px; flex-wrap: wrap; }
  .brand span { display: none; }
  .nav { order: 3; flex-basis: 100%; }
  .nav a { padding: 8px 8px 10px; }
  main { padding: 16px 12px 48px; }
  .search-box { grid-template-columns: 1fr; }
  .result-sum { margin-left: 0; }
  table.stack thead { display: none; }
  table.stack, table.stack tbody, table.stack tr, table.stack td { display: block; width: 100%; }
  table.stack tr { padding: 10px 12px; border-bottom: 1px solid var(--rule); }
  table.stack td { border: 0; padding: 2px 0; text-align: left; }
  table.stack td[data-k]::before { content: attr(data-k) "："; color: var(--graphite); font-size: 13px; }
  table.stack td.num { text-align: left; }
  table.stack td:empty { display: none; }
  table.stack tr { display: grid; grid-template-columns: 1fr 1fr; column-gap: 12px; }
  table.stack td[data-k="料号"], table.stack td[data-k="备注"], table.stack td[data-k="原话"],
  table.stack td[data-k="原内容"], table.stack td[data-k="料号/规格"] { grid-column: 1 / -1; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
.warn-text { color: var(--amber); font-weight: 600; }
.demo-bar { background: var(--amber-soft); color: var(--amber); text-align: center; font-size: 13px; padding: 6px 16px; font-weight: 600; }

details.panel > summary { cursor: pointer; font-weight: 600; }
details.panel[open] > summary { margin-bottom: 8px; }

.portal { max-width: 560px; margin: 24px auto; }
.portal h1 { margin-bottom: 8px; }
.link-box { display: flex; gap: 8px; }
.link-box input { flex: 1; font-family: var(--mono, monospace); font-size: 13px; }