/* A-stock · 晚报夹页 (Evening Edition) — Pico v2 override + project palette
 * 红涨绿跌 (中国股市惯例反转) · 暖羊皮纸基底 · 系统宋体 display · 等宽数字
 */

:root {
  /* light — 暖羊皮纸 */
  --bg: #faf8f3;
  --bg-card: #ffffff;
  --bg-deep: #f0ebe0;
  --bg-sticky: rgba(250, 248, 243, 0.94);
  --ink: #1a1614;
  --ink-soft: #4a4640;
  --ink-dim: #8b8680;
  --rule: #d8d2c4;
  --rule-strong: #a09a8a;

  /* 红涨绿跌 — 中国股市惯例 */
  --up: #b03030;          /* 朱砂红 */
  --up-soft: #fef0ef;
  --down: #27632a;        /* 墨绿 */
  --down-soft: #eef5ef;
  --neutral: #6b6b65;

  --link: #1b3a6b;        /* 古青 */
  --link-hover: #c0392b;
  --accent: #b8860b;      /* 金 — staleness warn */
  --alert: #8b1a1a;       /* 深朱 — staleness err */

  --display: "Noto Serif CJK SC", "Source Han Serif CN", "STSong", "SimSun", serif;
  --body: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, "Consolas", "Courier New", monospace;

  /* Pico v2 overrides */
  --pico-font-family: var(--body);
  --pico-font-family-monospace: var(--mono);
  --pico-line-height: 1.55;
  --pico-border-radius: 4px;
  --pico-primary: var(--link);
  --pico-primary-background: var(--link);
  --pico-primary-hover: var(--link-hover);
  --pico-primary-focus: rgba(27, 58, 107, 0.2);
  --pico-color: var(--ink);
  --pico-background-color: var(--bg);
  --pico-card-background-color: var(--bg-card);
  --pico-muted-color: var(--ink-dim);
  --pico-muted-border-color: var(--rule);
  --pico-form-element-border-color: var(--rule-strong);
  --pico-form-element-focus-color: var(--link);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --bg-card: #161b22;
    --bg-deep: #0a0e14;
    --bg-sticky: rgba(13, 17, 23, 0.92);
    --ink: #d4c9b8;
    --ink-soft: #9a8e7c;
    --ink-dim: #6b6258;
    --rule: #2a2e38;
    --rule-strong: #4a4e58;
    --up: #e87878;
    --up-soft: #2a1818;
    --down: #5dd06b;
    --down-soft: #142218;
    --link: #7fbfe8;
    --link-hover: #ffa090;
    --accent: #e8c66b;
    --alert: #ff8080;
  }
}

* { box-sizing: border-box; }

html { font-size: 18px; } /* 老人易读 base, 全站 rem 比例缩放 */

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  margin: 0;
  min-height: 100vh;
  font-feature-settings: "tnum" 1, "lnum" 1; /* tabular numerals */
}

/* — 排版 — */
h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--ink);
}

h1 { font-size: 2.4rem; margin: 0 0 0.4em; }
h2 { font-size: 1.7rem; margin: 1.5em 0 0.6em; padding-bottom: 0.3em; border-bottom: 1px solid var(--rule); }
h3 { font-size: 1.3rem; margin: 1em 0 0.4em; }

a { color: var(--link); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color .15s, color .15s; }
a:hover { color: var(--link-hover); border-bottom-color: currentColor; }

.mono, code, .num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* — Layout: 数据密集型 (per 全局 §17) — */
.shell {
  max-width: 1920px;
  margin: 0 auto;
  padding: 0 40px;
}
@media (max-width: 720px) {
  .shell { padding: 0 16px; }
  html { font-size: 14px; }
}

/* — Nav header — */
.masthead {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg-sticky);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.masthead-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0 12px;
}
.brand {
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  border: none;
}
.brand .seal {
  display: inline-block;
  background: var(--up);
  color: var(--bg-card);
  font-family: var(--display);
  padding: 2px 8px 4px;
  margin-right: 10px;
  font-size: 0.9em;
  letter-spacing: 0;
  border-radius: 2px;
  vertical-align: 1px;
}
.subtitle {
  font-family: var(--display);
  color: var(--ink-dim);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}
.nav-links { display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  font-size: 1.1rem;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  padding-bottom: 3px;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--ink);
  border-bottom-color: var(--up);
}

/* — User badge (header 右上) — */
.user-badge {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--display);
  font-size: 1rem;
  color: var(--ink-soft);
  margin-left: 16px;
}
.user-badge .uname { color: var(--ink); font-weight: 500; }
.user-badge .role-tag {
  display: inline-block;
  padding: 1px 7px;
  font-size: 0.75rem;
  border: 1px solid var(--up);
  color: var(--up);
  background: var(--up-soft);
  border-radius: 2px;
  letter-spacing: 0.04em;
  margin-left: 6px;
}
.user-badge a.admin-link {
  color: var(--up);
  border-bottom: 1px solid transparent;
  font-weight: 500;
}
.user-badge a.admin-link:hover { border-bottom-color: var(--up); }
.user-badge button.logout-btn {
  background: transparent;
  color: var(--ink-soft);
  border: 1px solid var(--rule-strong);
  padding: 4px 12px;
  font-family: var(--display);
  font-size: 0.9rem;
  border-radius: 3px;
  cursor: pointer;
}
.user-badge button.logout-btn:hover { color: var(--up); border-color: var(--up); }

/* — Staleness banner — */
.banner {
  font-size: 1.08rem;
  padding: 12px 20px;
  border-radius: 3px;
  border-left: 4px solid;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
}
.banner.is-fresh { background: var(--down-soft); border-color: var(--down); color: var(--down); }
.banner.is-warn  { background: rgba(184,134,11,0.10); border-color: var(--accent); color: var(--accent); }
.banner.is-err   { background: var(--up-soft); border-color: var(--alert); color: var(--alert); }
.banner.is-dim   { background: var(--bg-deep); border-color: var(--rule-strong); color: var(--ink-soft); }
.banner .glyph { font-family: var(--display); font-weight: 700; }

/* — Hero / page header — */
.page-head { padding: 32px 0 8px; }
.page-head .eyebrow {
  font-family: var(--display);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--up);
  margin: 0 0 8px;
  font-weight: 600;
}
.page-head h1 { margin: 0 0 6px; }
.page-head .lede { color: var(--ink-soft); font-size: 1.15rem; max-width: 70ch; line-height: 1.65; }

/* — Cards — */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin: 24px 0;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  padding: 22px 22px 20px;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--rule-strong); transform: translateY(-1px); }
.card .meta {
  font-family: var(--display);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--up);
  font-weight: 600;
}
.card h3 { margin: 0; font-size: 1.35rem; }
.card p { margin: 0; color: var(--ink-soft); font-size: 1.02rem; line-height: 1.6; }
.card-cta {
  margin-top: auto;
  padding-top: 12px;
  font-size: 0.88rem;
  border-top: 1px solid var(--rule);
}

/* — Stat row — */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin: 20px 0;
}
.stat {
  background: var(--bg-card);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-label { font-size: 0.95rem; color: var(--ink-dim); letter-spacing: 0.04em; font-family: var(--display); font-weight: 500; }
.stat-value { font-family: var(--mono); font-size: 1.7rem; font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; }
.stat-value.up { color: var(--up); }
.stat-value.down { color: var(--down); }

/* — Data tables — */
.table-wrap {
  border: 1px solid var(--rule);
  background: var(--bg-card);
  overflow-x: auto;
  margin: 16px 0;
}
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 1.02rem;
  margin: 0;
}
table.data th, table.data td {
  padding: 11px 16px;
  text-align: left;
  border-bottom: 1px solid var(--rule);
  white-space: nowrap;
}
table.data thead th {
  position: sticky;
  top: 0;
  background: var(--bg-deep);
  font-family: var(--display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  border-bottom: 2px solid var(--rule-strong);
  cursor: pointer;
  user-select: none;
}
table.data thead th:hover { color: var(--ink); }
table.data thead th.sorted-asc::after { content: " ↑"; color: var(--up); }
table.data thead th.sorted-desc::after { content: " ↓"; color: var(--up); }
table.data tbody tr:hover { background: var(--bg-deep); }
table.data td.num { font-family: var(--mono); text-align: right; font-variant-numeric: tabular-nums; }
table.data td.up { color: var(--up); font-weight: 500; }
table.data td.down { color: var(--down); font-weight: 500; }
table.data td.symbol { font-family: var(--mono); font-weight: 500; color: var(--ink); }
table.data tbody tr:nth-child(even) { background: rgba(0,0,0,0.012); }
@media (prefers-color-scheme: dark) {
  table.data tbody tr:nth-child(even) { background: rgba(255,255,255,0.025); }
}

/* — Forms — */
.filter-panel {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  padding: 22px;
  margin: 16px 0;
}
.filter-panel h3 {
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  color: var(--up);
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--display);
  font-weight: 600;
}
.field-row { display: grid; grid-template-columns: 160px 1fr; gap: 16px; align-items: start; margin-bottom: 16px; }
.field-row > label {
  font-size: 1.05rem;
  color: var(--ink-soft);
  padding-top: 9px;
  font-family: var(--display);
  font-weight: 500;
}
.field-row > .input-area { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.field-row input[type="text"],
.field-row input[type="number"],
.field-row select {
  flex: 1;
  min-width: 80px;
  padding: 9px 12px;
  background: var(--bg);
  border: 1px solid var(--rule-strong);
  border-radius: 3px;
  font-family: var(--body);
  font-size: 1.05rem;
  color: var(--ink);
  margin: 0;
}
.field-row input[type="number"] { font-family: var(--mono); width: 110px; flex: 0 0 110px; }
.field-row input:focus, .field-row select:focus { outline: none; border-color: var(--link); box-shadow: 0 0 0 2px var(--pico-primary-focus); }
.field-row .checkboxes { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.field-row .checkboxes label { font-size: 1.02rem; color: var(--ink-soft); cursor: pointer; display: flex; align-items: center; gap: 6px; }
.field-row .checkboxes input { width: 18px; height: 18px; }
.field-row .checkboxes input { margin: 0; accent-color: var(--up); }
.sep { color: var(--ink-dim); font-family: var(--mono); }

button.primary {
  background: var(--up);
  color: var(--bg-card);
  border: none;
  padding: 11px 24px;
  font-family: var(--display);
  font-size: 1.08rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  border-radius: 3px;
  font-weight: 600;
  transition: background .15s;
}
button.primary:hover { background: #8b1a1a; }
button.ghost {
  background: transparent;
  color: var(--ink-soft);
  border: 1px solid var(--rule-strong);
  padding: 10px 20px;
  font-family: var(--display);
  font-size: 1.05rem;
  cursor: pointer;
  border-radius: 3px;
}
button.ghost:hover { color: var(--ink); border-color: var(--ink-soft); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.actions { display: flex; gap: 10px; margin: 14px 0 0; padding-top: 14px; border-top: 1px solid var(--rule); }

/* — Loading / empty states — */
.state {
  padding: 60px 20px;
  text-align: center;
  color: var(--ink-dim);
  font-family: var(--display);
  font-size: 1rem;
}
.state.spinner::before {
  content: "·";
  display: inline-block;
  font-size: 2rem;
  line-height: 0;
  animation: blink 1.2s infinite;
  margin-right: 8px;
  color: var(--up);
}
@keyframes blink { 0%, 100% { opacity: 0.2; } 50% { opacity: 1; } }

/* — KV (key-value) list for stock detail — */
.kv {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.kv-item {
  background: var(--bg-card);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.kv-item { padding: 16px 20px; gap: 6px; }
.kv-item .k { font-size: 1rem; color: var(--ink-dim); letter-spacing: 0.02em; font-family: var(--display); font-weight: 500; }
.kv-item .v { font-size: 1.2rem; color: var(--ink); font-family: var(--body); font-weight: 500; }
.kv-item .v.num { font-family: var(--mono); font-weight: 500; }

.tag {
  display: inline-block;
  padding: 1px 8px;
  font-size: 0.78rem;
  font-family: var(--display);
  border-radius: 2px;
  letter-spacing: 0.04em;
  background: var(--bg-deep);
  color: var(--ink-soft);
  border: 1px solid var(--rule);
}
.tag.status-normal { background: var(--down-soft); color: var(--down); border-color: var(--down); }
.tag.status-st, .tag.status-starst { background: var(--up-soft); color: var(--up); border-color: var(--up); }
.tag.status-suspended { background: rgba(184,134,11,0.15); color: var(--accent); border-color: var(--accent); }

/* — Footer — */
footer.colophon {
  margin-top: 64px;
  padding: 28px 0;
  border-top: 1px solid var(--rule);
  color: var(--ink-dim);
  font-size: 0.82rem;
  line-height: 1.7;
}
footer.colophon .colophon-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer.colophon strong { font-family: var(--display); color: var(--ink-soft); font-weight: 600; }
footer.colophon .en { font-style: italic; opacity: 0.7; }

/* — Pagination — */
.pager { display: flex; align-items: center; gap: 12px; justify-content: center; margin: 18px 0; font-size: 0.9rem; color: var(--ink-soft); font-family: var(--display); }
.pager button { padding: 4px 12px; border: 1px solid var(--rule-strong); background: var(--bg-card); color: var(--ink); border-radius: 3px; cursor: pointer; font-family: var(--display); font-size: 0.88rem; }
.pager button:hover:not(:disabled) { border-color: var(--up); color: var(--up); }
.pager .count { font-family: var(--mono); color: var(--ink-dim); }

/* — Page-load reveal (single stagger, no scattered micro-anim) — */
.reveal > * { opacity: 0; animation: reveal .6s ease forwards; }
.reveal > *:nth-child(1) { animation-delay: 0.05s; }
.reveal > *:nth-child(2) { animation-delay: 0.12s; }
.reveal > *:nth-child(3) { animation-delay: 0.19s; }
.reveal > *:nth-child(4) { animation-delay: 0.26s; }
.reveal > *:nth-child(5) { animation-delay: 0.33s; }
.reveal > *:nth-child(6) { animation-delay: 0.40s; }
@keyframes reveal {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .reveal > * { opacity: 1; animation: none; }
}

/* — Decorative chop seal corner mark — */
.chop {
  font-family: var(--display);
  color: var(--up);
  border: 1.5px solid var(--up);
  padding: 2px 6px 4px;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  border-radius: 2px;
  display: inline-block;
  background: var(--up-soft);
}

/* — Utilities — */
.muted { color: var(--ink-dim); }
.right { text-align: right; }
.center { text-align: center; }
.small { font-size: 0.85rem; }
.spacer-y { height: 1px; background: var(--rule); margin: 32px 0; }