:root {
  --bg: #f4f1ea;
  --surface: #fffdf7;
  --surface-strong: #ffffff;
  --ink: #191a16;
  --ink-soft: #33352e;
  --muted: #747366;
  --line: rgba(25, 26, 22, 0.12);
  --line-strong: rgba(25, 26, 22, 0.2);
  --red: #c94236;
  --red-deep: #a52f24;
  --red-soft: #fbece8;
  --green: #157a62;
  --green-deep: #0e5f4c;
  --green-soft: #e8f4ef;
  --amber: #a56f18;
  --amber-soft: #fbf1dd;
  --blue: #355d99;
  --shadow: 0 18px 50px -28px rgba(33, 34, 28, 0.35);
  --radius: 22px;
  --mono: "SFMono-Regular", "Cascadia Mono", "Roboto Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(201, 66, 54, 0.06), transparent 28rem),
    radial-gradient(circle at 88% 26%, rgba(21, 122, 98, 0.06), transparent 30rem),
    var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

code {
  padding: 0.1em 0.35em;
  border-radius: 5px;
  background: rgba(25, 26, 22, 0.06);
  font-family: var(--mono);
  font-size: 0.9em;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--surface);
}

.skip-link:focus {
  top: 16px;
}

/* Header */

.site-header {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 18%, rgba(201, 66, 54, 0.28), transparent 24rem),
    radial-gradient(circle at 18% 88%, rgba(165, 111, 24, 0.16), transparent 26rem),
    #171812;
  color: #f8f4e8;
}

.site-header::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(248, 244, 232, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 244, 232, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 18px 0;
  border-bottom: 1px solid rgba(248, 244, 232, 0.14);
  background: rgba(23, 24, 18, 0.72);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(145deg, #e05c4b, #a92f25);
  color: #fff8ee;
  font-size: 19px;
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-text strong {
  font-size: 15px;
  letter-spacing: 0.06em;
}

.brand-text small {
  margin-top: 3px;
  color: rgba(248, 244, 232, 0.58);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.nav {
  display: flex;
  gap: 6px;
}

.nav a {
  padding: 8px 14px;
  border-radius: 999px;
  color: rgba(248, 244, 232, 0.72);
  font-size: 13px;
  transition: background 0.18s ease, color 0.18s ease;
}

.nav a:hover,
.nav a:focus-visible {
  background: rgba(248, 244, 232, 0.1);
  color: #fffaf0;
}

.hero {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  align-items: end;
  gap: 48px;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 72px 0 84px;
}

.kicker,
.section-kicker {
  margin: 0 0 16px;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
}

.site-header .kicker {
  color: #e0a95b;
}

.hero h1 {
  margin: 0;
  font-size: clamp(42px, 6.4vw, 76px);
  font-weight: 750;
  letter-spacing: -0.045em;
  line-height: 1.02;
}

.hero h1 .accent {
  color: #e05c4b;
}

.lede {
  max-width: 34em;
  margin: 22px 0 0;
  color: rgba(248, 244, 232, 0.68);
  font-size: 16px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 0.15s ease, background 0.18s ease, border-color 0.18s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
}

.button-primary {
  background: #f1e7d2;
  color: #1b1c16;
}

.button-primary:hover {
  background: #fff6e4;
}

.button-ghost {
  border-color: rgba(248, 244, 232, 0.26);
  color: #f8f4e8;
}

.button-ghost:hover {
  background: rgba(248, 244, 232, 0.08);
}

.button-small {
  min-height: 38px;
  padding: 8px 15px;
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 12.5px;
}

.button-small:hover {
  border-color: var(--ink);
}

.button-small[aria-busy="true"] {
  opacity: 0.6;
  pointer-events: none;
}

.date-panel {
  position: relative;
  padding: 24px 26px;
  border: 1px solid rgba(248, 244, 232, 0.18);
  border-radius: 18px;
  background: rgba(248, 244, 232, 0.06);
  backdrop-filter: blur(8px);
}

.date-panel::before {
  content: "";
  position: absolute;
  top: 22px;
  right: 22px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #62c9a4;
  box-shadow: 0 0 0 5px rgba(98, 201, 164, 0.12);
}

.date-panel-label {
  display: block;
  color: rgba(248, 244, 232, 0.52);
  font-size: 11px;
  letter-spacing: 0.18em;
}

.date-panel strong {
  display: block;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 500;
  letter-spacing: -0.03em;
}

.date-panel-meta {
  display: block;
  margin-top: 6px;
  color: rgba(248, 244, 232, 0.56);
  font-size: 12px;
}

/* Banner */

.banner {
  width: min(1180px, calc(100% - 48px));
  margin: 20px auto 0;
  padding: 13px 18px;
  border: 1px solid #e3c98e;
  border-radius: 12px;
  background: var(--amber-soft);
  color: #74500f;
  font-size: 13px;
}

/* Layout */

main {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 0 0 48px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: -36px;
  position: relative;
  z-index: 2;
}

.stat {
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.stat-label {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.stat strong {
  display: block;
  margin: 8px 0 3px;
  font-family: var(--mono);
  font-size: 36px;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.stat-buy strong {
  color: var(--red);
}

.stat-sell strong {
  color: var(--green);
}

.stat-date strong {
  font-size: 25px;
  letter-spacing: -0.03em;
}

.stat-note {
  color: var(--muted);
  font-size: 12px;
}

/* Toolbar */

.toolbar {
  position: sticky;
  top: 74px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 30px 0 26px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 253, 247, 0.86);
  backdrop-filter: blur(14px);
}

.search {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.search label {
  padding-left: 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.search input {
  flex: 1;
  min-width: 0;
  padding: 9px 12px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  outline: none;
  font-size: 14px;
}

.search input::placeholder {
  color: #a09d90;
}

.search input:focus-visible {
  background: rgba(25, 26, 22, 0.045);
}

.clear-filter {
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 11.5px;
}

/* Sections */

.signal-section {
  margin-top: 26px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 20px;
}

.section-kicker {
  margin-bottom: 8px;
  color: var(--muted);
}

.section-head h2 {
  margin: 0;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.title-tag {
  display: inline-block;
  margin-left: 8px;
  padding: 4px 10px;
  border-radius: 999px;
  vertical-align: middle;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.buy-tag {
  background: var(--red-soft);
  color: var(--red-deep);
}

.sell-tag {
  background: var(--green-soft);
  color: var(--green-deep);
}

.section-desc {
  max-width: 62em;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.section-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  flex-shrink: 0;
}

.count-pill {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(25, 26, 22, 0.05);
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-soft);
}

.count-pill::after {
  content: " 只";
  color: var(--muted);
  font-family: var(--sans);
  font-size: 11px;
}

.sort-hint {
  color: var(--muted);
  font-size: 11px;
}

.table-wrap {
  overflow-x: auto;
  margin: 0 -8px;
  padding: 0 8px;
  border-top: 1px solid var(--line);
}

.signal-table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
}

.signal-table th {
  padding: 14px 10px 11px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--line);
}

.signal-table th.num {
  text-align: right;
}

.signal-table td {
  padding: 13px 10px;
  border-bottom: 1px solid rgba(25, 26, 22, 0.075);
  vertical-align: middle;
}

.signal-table tbody tr {
  transition: background 0.15s ease;
}

.signal-table tbody tr:hover {
  background: rgba(25, 26, 22, 0.025);
}

.signal-table tbody tr:last-child td {
  border-bottom: 0;
}

.col-rank {
  width: 42px;
}

tbody .rank {
  color: #a3a093;
  font-family: var(--mono);
  font-size: 12px;
}

.sort-button {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
}

.sort-button:hover {
  color: var(--ink);
}

.sort-button::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 3px solid transparent;
  border-right: 3px solid transparent;
  border-bottom: 4px solid currentColor;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.sort-button[data-active="true"] {
  color: var(--ink);
}

.sort-button[data-active="true"]::after {
  opacity: 0.85;
}

.sort-button[data-active="true"][data-dir="desc"]::after {
  transform: rotate(180deg);
}

.name-cell {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.name-cell strong {
  font-size: 14.5px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.name-cell span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.02em;
}

.num {
  text-align: right;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.price {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.change {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 7px;
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.change.up {
  background: var(--red-soft);
  color: var(--red-deep);
}

.change.down {
  background: var(--green-soft);
  color: var(--green-deep);
}

.change.flat {
  background: rgba(25, 26, 22, 0.05);
  color: var(--muted);
}

.temp {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.temp-hot {
  background: var(--red-soft);
  color: var(--red-deep);
}

.temp-warm {
  background: var(--amber-soft);
  color: var(--amber);
}

.temp-flat {
  background: var(--green-soft);
  color: var(--green-deep);
}

.temp-none {
  background: rgba(25, 26, 22, 0.05);
  color: var(--muted);
}

.temp .arrow {
  color: currentColor;
  opacity: 0.5;
  font-family: var(--sans);
}

.phase {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink-soft);
  font-size: 12px;
  white-space: nowrap;
}

.strength {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.strength-bar {
  display: block;
  width: 92px;
  height: 5px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(25, 26, 22, 0.08);
}

.strength-bar i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #d9b25f, #c94236);
}

.strength b {
  min-width: 42px;
  text-align: right;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.strength-change {
  display: inline-block;
  min-width: 34px;
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--red);
}

.strength-change.down {
  color: var(--green);
}

.strength-change.muted {
  color: #aaa79a;
  font-weight: 400;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
}

.status-pill::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

.status-on {
  background: rgba(201, 66, 54, 0.09);
  color: var(--red-deep);
}

.status-off {
  background: rgba(21, 122, 98, 0.09);
  color: var(--green-deep);
}

.missing {
  color: #aaa79a;
}

.empty {
  margin: 0;
  padding: 36px 10px;
  color: var(--muted);
  text-align: center;
  font-size: 13px;
}

/* Notes */

.notes {
  margin-top: 26px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
}

.note-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.note-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 253, 247, 0.6);
}

.note-card h3 {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.note-card p {
  margin: 0;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.7;
}

.meta-box {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 28px;
  margin-top: 18px;
  padding: 18px 20px;
  border: 1px dashed var(--line-strong);
  border-radius: 16px;
}

.meta-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 7px 0;
  border-bottom: 1px solid rgba(25, 26, 22, 0.06);
  font-size: 12px;
}

.meta-row span {
  color: var(--muted);
}

.meta-row strong {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 500;
  text-align: right;
}

.disclaimer {
  max-width: 78em;
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.75;
}

/* Footer */

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 24px 0 40px;
  color: #8d8a7e;
  font-size: 11.5px;
}

/* Focus & motion */

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}

/* Responsive */

@media (max-width: 1020px) {
  .note-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 36px;
    padding: 52px 0 68px;
  }

  .date-panel {
    width: min(100%, 360px);
  }
}

@media (max-width: 760px) {
  body {
    font-size: 14px;
  }

  .topbar {
    width: calc(100% - 32px);
    padding: 12px 0;
  }

  .nav {
    gap: 0;
  }

  .nav a {
    padding: 7px 9px;
    font-size: 12px;
  }

  .brand-text small {
    display: none;
  }

  .hero {
    width: calc(100% - 32px);
    padding: 42px 0 64px;
  }

  .hero h1 {
    font-size: clamp(38px, 12vw, 52px);
  }

  .lede {
    font-size: 14px;
  }

  main {
    width: calc(100% - 24px);
  }

  .banner {
    width: calc(100% - 24px);
  }

  .stats {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: -32px;
  }

  .stat {
    padding: 18px;
  }

  .stat strong {
    font-size: 30px;
  }

  .stat-date {
    grid-column: 1 / -1;
  }

  .stat-date strong {
    font-size: 22px;
  }

  .toolbar {
    position: static;
    flex-wrap: wrap;
    margin: 20px 0;
  }

  .search {
    flex-basis: 100%;
  }

  .toolbar .button-small {
    margin-left: auto;
  }

  .signal-section,
  .notes {
    padding: 20px 16px;
    border-radius: 18px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .section-side {
    flex-direction: row;
    align-items: center;
    gap: 10px;
  }

  .table-wrap {
    overflow: visible;
    margin: 0;
    padding: 0;
    border-top: 0;
  }

  .signal-table {
    min-width: 0;
  }

  .signal-table thead {
    display: none;
  }

  .signal-table,
  .signal-table tbody,
  .signal-table tr,
  .signal-table td {
    display: block;
    width: 100%;
  }

  .signal-table tbody tr {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 14px;
    margin-top: 12px;
    padding: 14px 14px 10px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--surface-strong);
  }

  .signal-table tbody tr:hover {
    background: var(--surface-strong);
  }

  .signal-table td {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 7px 0;
    border-bottom: 1px dashed rgba(25, 26, 22, 0.08);
    text-align: right;
  }

  .signal-table td::before {
    content: attr(data-label);
    color: var(--muted);
    font-family: var(--sans);
    font-size: 11px;
    letter-spacing: 0.04em;
    text-align: left;
  }

  .signal-table td.col-rank {
    display: none;
  }

  .signal-table td.cell-name {
    grid-column: 1 / -1;
    padding: 2px 0 10px;
    border-bottom: 1px solid var(--line);
    text-align: left;
  }

  .signal-table td.cell-name::before {
    display: none;
  }

  .name-cell strong {
    font-size: 16px;
  }

  .signal-table td.cell-strength {
    grid-column: 1 / -1;
  }

  .signal-table td.cell-strength .strength {
    flex: 1;
  }

  .signal-table td.cell-strength .strength-bar {
    flex: 1;
    width: auto;
  }

  .signal-table td.cell-strength-change,
  .signal-table td.cell-status {
    border-bottom: 0;
  }

  .strength b {
    min-width: 38px;
  }

  .meta-box {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .site-footer {
    width: calc(100% - 32px);
    flex-direction: column;
    gap: 4px;
  }
}

@media (max-width: 480px) {
  .stats {
    grid-template-columns: 1fr;
  }

  .stat-date {
    grid-column: auto;
  }

  .note-grid {
    grid-template-columns: 1fr;
  }

  .signal-table tbody tr {
    gap: 0 10px;
    padding: 12px 12px 8px;
  }

  .signal-table td {
    gap: 6px;
    font-size: 12px;
  }

  .signal-table td::before {
    font-size: 10px;
  }

  .name-cell strong {
    font-size: 15px;
  }

  .temp {
    padding: 3px 7px;
    font-size: 11px;
  }

  .change {
    padding: 2px 6px;
    font-size: 11.5px;
  }

  .phase {
    padding: 2px 7px;
    font-size: 11px;
  }
}