/* Shared visual language for the quotation workspace, archive and market pages. */
:root {
  --ink: #172b43; --muted: #65768a; --line: #e3e8ef;
  --paper: #fff; --bg: #f4f6f9; --blue: #145bd7; --blue2: #104bad;
  --red: #b93835; --green: #20774f; --shadow: 0 3px 14px #172b4305;
  --radius: 12px; --focus: #8db4f9;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--bg); font: 14px/1.55 "Segoe UI", "Microsoft YaHei", sans-serif; -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; }
button, summary { cursor: pointer; }
button, a, input, select, textarea, summary { -webkit-tap-highlight-color: transparent; }
button:disabled { opacity: .48; cursor: not-allowed; }
:is(button,a,input,select,textarea,summary):focus-visible { outline: 3px solid #145bd72b; outline-offset: 2px; border-color: var(--focus); }
input, select, textarea { color: var(--ink); background: white; border: 1px solid #d8e0ea; border-radius: 7px; }
input::placeholder, textarea::placeholder { color: #8a96a5; }
select, input, textarea { max-width: 100%; }
.hidden { display: none !important; }
.site-header {
  min-height: 72px; display: flex; align-items: center; gap: 40px;
  padding: 12px max(24px, calc((100vw - 1552px)/2));
  border-bottom: 1px solid var(--line); background: #fff;
}
.site-brand { display: flex; align-items: center; gap: 16px; text-decoration: none; color: var(--ink); flex-shrink: 0; }
.site-brand img { display: block; width: 150px; height: 42px; object-fit: contain; }
.site-brand > :is(span,div) { display: grid; gap: 1px; border-left: 1px solid #dbe2ec; padding-left: 16px; font-size: 14px; font-weight: 650; }
.site-brand small { font-size: 11px; color: #718196; font-weight: 400; }
.site-nav { display: flex; align-items: center; gap: 5px; }
.site-nav > :is(a,button) { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; padding: 9px 17px; border: 0; border-radius: 8px; color: #65758a; background: transparent; text-decoration: none; font-size: 14px; font-weight: 600; white-space: nowrap; }
.site-nav > :is(a,button):hover { color: var(--blue); background: #f5f8ff; }
.site-nav > .active { color: var(--blue); background: #edf3ff; }
.site-nav .side-icon { display: none; }
.site-status { display: flex; align-items: center; gap: 7px; margin-left: auto; font-size: 12px; color: #758499; white-space: nowrap; }
.site-status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #359b6b; }
.btn { min-height: 36px; display: inline-flex; align-items: center; justify-content: center; gap: 7px; border: 1px solid #d8e0ea; border-radius: 7px; padding: 7px 13px; color: #3a5069; background: #fff; text-decoration: none; font-size: 13px; font-weight: 600; transition: background .15s, border-color .15s; cursor: pointer; }
.btn:hover:not(:disabled) { background: #f6f9ff; border-color: #b2c7e8; transform: none; }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--blue2); border-color: var(--blue2); }
.btn-soft { background: #f4f7fc; border-color: #e0e7f1; color: #3e628a; }
.btn-small { min-height: 32px; padding: 6px 10px; font-size: 12px; }
.eyebrow { color: #8896a9; font-size: 10px; font-weight: 650; letter-spacing: .14em; }
.home-market-strip { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); align-items: stretch; gap: 10px 16px; padding: 0; margin: 0 0 18px; border: 0; background: transparent; border-radius: 0; box-shadow: none; }
.home-market-heading { grid-column: 1/-1; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.home-market-title { display: flex; flex: 1 1 auto; align-items: baseline; gap: 12px; width: auto; min-width: 0; max-width: none; white-space: normal; margin: 0; flex-wrap: wrap; }
.home-market-title strong { font-size: 15px; color: #293f5a; font-weight: 650; }
.home-market-title > span { font-size: 12px; color: #738399; }
.home-market-title .market-date { font-size: 11px; color: #8b98a8; }
.home-market-heading > .btn { border: 0; background: transparent; color: #3b638e; }
.home-market-item { display: block; min-width: 0; padding: 15px 20px 12px; background: #fff; border: 1px solid var(--line); border-top: 3px solid #bd7735; border-radius: 11px; box-shadow: 0 3px 12px #172b4304; }
.home-market-item.aluminum { border-top-color: #577da6; }
.spot-label { display: flex; align-items: center; gap: 8px; color: #8c97a5; font-size: 12px; }
.spot-label strong { font-size: 15px; color: #31465d; }
.metal-symbol { display: inline-grid; place-items: center; width: 28px; height: 26px; border-radius: 6px; background: #fbf1e6; color: #aa692b; font-size: 12px; font-weight: 700; }
.aluminum .metal-symbol { background: #edf3fa; color: #52779c; }
.spot-value-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: 4px 0 0; }
.spot-value-row > strong { color: #1f344e; font-size: 34px; font-weight: 700; letter-spacing: -.7px; line-height: 1.3; font-variant-numeric: tabular-nums; }
.spot-change { display: flex; align-items: flex-end; flex-direction: column; gap: 2px; white-space: nowrap; }
.spot-change > .trend-change { font-size: 15px; font-weight: 700; }
.spot-change > span:last-child:not(.trend-change) { font-size: 11px; color: #7a889a; }
.spot-date { color: #697d93; font-size: 12px; margin: 0 0 9px; }
.home-market-item > .market-daily-comparison { display: flex; align-items: center; gap: 7px 16px; flex-wrap: wrap; border-top: 1px solid #edf0f5; margin-top: 5px; padding-top: 8px; }
.home-market-item .daily-price-row { display: flex; gap: 7px; align-items: baseline; white-space: normal; }
.home-market-item .daily-price-row > span { font-size: 11px; color: #7b889b; }
.home-market-item .daily-price-row > strong { font-size: 12px; color: #52677e; font-weight: 550; font-variant-numeric: tabular-nums; }
.home-market-item .daily-pending { color: #936b3d; font-size: 11px; margin-top: 0; }
.home-market-item .daily-change-row, .home-market-item .latest-comparison-row { display: none; }
.trend-change.up, .jiangnan-change-up { color: var(--red); }
.trend-change.down, .jiangnan-change-down { color: var(--green); }
.trend-change.equal, .jiangnan-change-equal { color: var(--muted); }
@media (max-width: 1100px) {
  .site-header { gap: 24px; }
  .site-brand > :is(span,div) { display: none; }
  .home-market-title .market-date { display: none; }
  .spot-value-row > strong { font-size: 30px; }
}
@media (max-width: 700px) {
  .site-header { padding: 12px 16px 0; gap: 10px; flex-wrap: wrap; }
  .site-brand img { width: 140px; height: 36px; }
  .site-nav { order: 3; width: 100%; gap: 8px; padding: 4px 0 9px; }
  .site-nav > :is(a,button) { flex: 1; min-height: 40px; font-size: 13px; padding: 8px 10px; }
  .site-status { font-size: 11px; }
  .home-market-strip { gap: 10px; }
  .home-market-title { gap: 4px; flex-direction: column; }
  .home-market-item { padding: 12px; }
  .spot-value-row { align-items: flex-start; flex-direction: column; gap: 4px; }
  .spot-value-row > strong { font-size: 26px; }
  .spot-change { align-items: flex-start; flex-direction: row; flex-wrap: wrap; gap: 3px 7px; }
  .spot-change > .trend-change { font-size: 12px; }
  .spot-date { margin-top: 5px; font-size: 11px; }
  .home-market-item .daily-price-row { flex-wrap: wrap; gap: 0 6px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

/* Keep shared page chrome inside the viewport while allowing dense content to scroll locally. */
html, body { max-width: 100%; overflow-x: clip; }
.site-header { min-width: 0; gap: clamp(12px, 2.2vw, 28px); }
.site-brand { min-width: 0; }
.site-nav { min-width: 0; flex-wrap: wrap; }
.site-status { min-width: 0; }
@media (max-width: 1240px) {
  .site-header { flex-wrap: wrap; row-gap: 4px; padding-inline: 22px; }
  .site-brand > :is(span,div) { display: none; }
  .site-nav { margin-left: auto; }
  .site-nav > :is(a,button) { padding-inline: 12px; }
  .site-status { margin-left: 0; }
}
@media (max-width: 900px) {
  .site-header { gap: 8px 12px; }
  .site-nav { order: 3; width: 100%; margin: 0; }
  .site-nav > :is(a,button) { flex: 1 1 auto; }
  .site-status { margin-left: auto; }
}