/* Warbird Watch / Aviation Heritage — experimental light theme
   Backup: backup/pre-heritage-redesign-2026-10-20
   Shared across /, /history/, and /watchlist/.
   Page-specific legacy styles load first; this sheet is the unified final layer. */

:root {
  color-scheme: light;
  --night: #f6f3ed;
  --panel: #fffdf9;
  --panel-soft: #e9e6df;
  --ink: #26343c;
  --muted: #596970;
  --quiet: #6e7a7c;
  --line: #d0d1ca;
  --green: #49736d;
  --orange: #b4583c;
  --red: #b13f3c;
  --accent: #a94e38;
  --accent-dark: #813a2b;
  --navy: #283b48;
  --paper: #f6f3ed;
  --cream: #fffdf9;
  --shadow: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
body::before { display: none !important; }
::selection { color: white; background: var(--accent); }
h1, h2, h3 { margin-top: 0; color: var(--ink); }
p { line-height: 1.55; }
a { color: inherit; text-underline-offset: 0.2em; }
button { font: inherit; }
button:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
.app-shell {
  width: min(1280px, calc(100% - 80px));
  margin-inline: auto;
}
.topbar {
  display: flex;
  min-height: 0;
  align-items: center;
  justify-content: space-between;
  flex-direction: row;
  gap: 20px;
  padding: 24px 0 22px;
  border-top: 3px solid var(--accent);
  border-bottom: 1px solid var(--line);
}
.topbar .brand {
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  color: var(--navy);
  font-size: clamp(1.75rem, 2.5vw, 2.25rem);
  font-weight: 750;
  letter-spacing: -0.065em;
  line-height: 1.08;
  white-space: nowrap;
}
.topbar .top-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 28px;
  color: var(--navy);
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  font-size: 0.94rem;
  font-weight: 650;
  line-height: 1.4;
}
.topbar .top-links a,
.topbar .top-links a:not([aria-current="page"]) {
  color: var(--navy);
}
.topbar .top-links a:hover,
.topbar .top-links a:not([aria-current="page"]):hover,
.topbar .top-links a:focus-visible {
  color: var(--accent);
}
.topbar .top-links a[aria-current="page"] {
  color: var(--quiet);
  opacity: 1;
  pointer-events: none;
  cursor: default;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.095em;
  line-height: 1.45;
  text-transform: uppercase;
}
.display-serif,
.hero-stage h1,
.page-lede h1 {
  font-family: "Newsreader", Georgia, serif;
  font-optical-sizing: auto;
  font-weight: 500;
  letter-spacing: -0.045em;
}
.hero-stage {
  display: grid;
  grid-template-columns: minmax(0, 0.93fr) minmax(0, 1.07fr);
  align-items: stretch;
  gap: 0;
  margin: 25px 0 34px;
  height: 306px;
  min-height: 0;
  background: #e9e4d9;
}
.hero-stage-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: clamp(23px, 2.6vw, 32px);
}
.hero-stage h1 {
  margin: 0 0 11px;
  font-size: clamp(2.9rem, 4.35vw, 4rem);
  line-height: 1.0;
  text-wrap: balance;
}
.hero-stage-copy > p:not(.eyebrow) {
  max-width: 470px;
  margin: 0 0 15px;
  color: #42515a;
  font-size: clamp(0.98rem, 1.22vw, 1.06rem);
  line-height: 1.62;
}
.editorial-link {
  display: inline-block;
  margin-top: 2px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--accent);
  color: var(--accent-dark);
  font-size: 0.94rem;
  font-weight: 750;
  text-decoration: none;
}
.editorial-link:hover { color: var(--navy); border-color: var(--navy); }
.hero-photo {
  position: relative;
  overflow: hidden;
  height: 100%;
  min-height: 0;
  margin: 0;
  background: #b6b1a4;
}
.hero-photo img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  max-height: none;
  object-fit: cover;
  object-position: center;
  filter: sepia(0.12) contrast(1.05) saturate(0.86);
}
.hero-photo figcaption {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 10px;
  display: inline-block;
  width: fit-content;
  max-width: calc(100% - 24px);
  padding: 6px 9px;
  color: #fefcf8;
  background: rgba(29,39,42,0.78);
  font-size: 0.7rem;
  line-height: 1.35;
}
.hero-photo figcaption a { text-decoration: underline; }

.live-board,
.watchlist-section,
.history-panel {
  border: 0;
  border-radius: 0;
  margin: 0 0 26px;
  padding: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}
.section-heading,
.live-board .section-heading,
.history-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.section-heading h2,
.history-heading h2,
.live-board h2 {
  margin: 0;
  color: var(--navy);
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  font-size: clamp(2rem, 3.6vw, 3.05rem);
  font-weight: 750;
  line-height: 1.07;
  letter-spacing: -0.065em;
}
.section-heading .eyebrow,
.history-heading .eyebrow { margin-bottom: 7px; }
.fetch-status,
.history-status,
.section-copy,
.history-tools .history-status {
  max-width: none;
  margin: 0 0 4px;
  padding: 0;
  color: var(--muted);
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  font-size: 0.83rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0;
  text-align: right;
}
.live-key {
  display: flex;
  gap: 22px;
  margin: 19px 0 15px;
  color: var(--muted);
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0;
  text-transform: none;
}
.key-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 7px;
  box-shadow: none !important;
}
.airborne-dot { background: var(--orange); }
.detected-dot { background: var(--green); }
.quiet-dot { background: var(--quiet); }

.live-cards { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.live-card,
.empty-state {
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--cream);
  box-shadow: none;
}
.empty-state {
  display: flex;
  grid-column: 1 / -1;
  align-items: center;
  justify-content: flex-start;
  min-height: 142px;
  padding: 30px 36px;
  gap: 0;
  border-left: 4px solid #87989c;
}
.empty-state .empty-icon,
.empty-state .quiet-radar { display: none; }
.empty-state h3 {
  margin: 0 0 5px;
  color: var(--navy);
  font-family: "Newsreader", Georgia, serif;
  font-size: clamp(1.8rem, 3vw, 2.75rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.empty-state p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.58;
}
.empty-state.error-state { border-left-color: var(--red); }
.empty-state.loading-state { min-height: 142px; }
.live-card {
  position: relative;
  overflow: visible;
  padding: 26px;
  min-height: 0;
}
.live-card.airborne::before {
  top: 0; bottom: 0; left: 0; right: auto;
  width: 4px;
  height: auto;
  background: var(--orange);
  box-shadow: none;
}
.live-card.has-route-link { padding-bottom: 24px; }
.live-card-head h3 {
  max-width: none;
  color: var(--navy);
  font-size: clamp(1.35rem, 2.1vw, 1.85rem);
  font-weight: 750;
  line-height: 1.15;
  letter-spacing: -0.045em;
}
.status-badge,
.status-badge.airborne,
.status-badge.detected {
  border: 0;
  border-radius: 0;
  padding: 4px 0;
  background: transparent;
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  font-size: 0.77rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: none;
}
.status-badge.airborne { color: var(--orange); }
.status-badge.detected { color: var(--green); }
.live-card-meta { color: var(--muted); margin: 10px 0 20px; }
.data-grid { gap: 18px 20px; }
.data-grid span {
  margin-bottom: 4px;
  color: var(--muted);
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}
.data-grid strong { color: var(--ink); font-size: 1.03rem; }
.live-route-link {
  display: inline-block;
  position: static;
  margin-top: 24px;
  color: var(--accent);
  font-size: 0.93rem;
  font-weight: 750;
  text-decoration: none;
}
.live-route-link:hover { text-decoration: underline; color: var(--accent-dark); }

.action-rail {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 22px 0 36px;
}
.notification-cta, .museum-support {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 19px;
  margin: 0;
  border: 0;
  border-radius: 0;
  padding: 25px 27px;
  box-shadow: none;
}
.notification-cta {
  color: #fdfcf7;
  background: var(--navy);
}
.museum-support {
  background: #e6dfd2;
}
.notification-cta strong,
.museum-support h2 {
  display: block;
  margin: 0 0 5px;
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  font-size: 1.1rem;
  font-weight: 750;
  line-height: 1.2;
  letter-spacing: -0.03em;
}
.notification-cta strong { color: #fffaf4; }
.notification-cta span {
  color: #d9e0e1;
  font-size: 0.9rem;
  line-height: 1.5;
}
.museum-support h2 { color: var(--navy); }
.museum-support-copy p {
  margin: 0;
  color: #5b635f;
  font-size: 0.9rem;
  line-height: 1.5;
}
.notification-cta a,
.museum-support-link {
  display: inline-flex;
  width: auto;
  min-height: 39px;
  flex: 0 0 auto;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin: 0;
  border: 0;
  border-radius: 0;
  padding: 9px 15px;
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  font-size: 0.87rem;
  font-weight: 750;
  text-decoration: none;
  transition: background .15s ease, color .15s ease;
}
.notification-cta a {
  color: var(--navy);
  background: #f9f4e8;
}
.notification-cta a:hover { color: var(--navy); background: #e8d6b6; transform: none; }
.museum-support-link {
  color: #fffaf5;
  background: var(--accent);
}
.museum-support-link:hover { color: white; background: var(--accent-dark); }
.notification-cta a:focus-visible { outline-color: #fffaf5; }

.page-lede {
  display: block;
  padding: 51px 0 34px;
}
.page-lede .eyebrow { margin-bottom: 14px; }
.page-lede h1 {
  max-width: none;
  margin: 0 0 13px;
  font-size: clamp(3.25rem, 6vw, 5.7rem);
  line-height: 1.0;
}
.page-lede .hero-copy,
.page-lede .hero-text {
  max-width: none;
  margin: 0;
  color: #4f5d64;
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  font-size: clamp(1.02rem, 1.7vw, 1.16rem);
  line-height: 1.58;
}
.history-panel, .watchlist-section { padding-top: 6px; }
.history-heading h2 { font-size: clamp(1.65rem, 3vw, 2.55rem); }
.history-tools {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}
.history-tools .button,
.history-more {
  min-height: 38px;
  border: 1px solid #909b9f;
  border-radius: 0;
  padding: 8px 15px;
  color: var(--navy);
  background: transparent;
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
}
.history-tools .button:hover,
.history-more:hover { color: var(--accent); background: #efe8dd; border-color: var(--accent); transform: none; }
.history-tools .button:disabled,
.history-more:disabled { opacity: .55; cursor: wait; }
.history-summary {
  display: flex;
  gap: 16px 33px;
  flex-wrap: wrap;
  margin: 0;
  padding: 19px 0;
  border-top: 0;
  border-bottom: 1px solid var(--line);
}
.history-summary article {
  display: flex;
  align-items: baseline;
  gap: 9px;
  border: 0;
  border-radius: 0;
  padding: 0;
  background: none;
}
.history-summary span {
  margin: 0;
  color: var(--muted);
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  font-size: .82rem;
  font-weight: 550;
  letter-spacing: 0;
  text-transform: none;
}
.history-summary strong { color: var(--navy); font-size: 1rem; font-weight: 800; }
.history-list { margin: 0; border: 0; }
.scan-row {
  display: grid;
  grid-template-columns: 176px minmax(0, 1fr) 96px;
  gap: 17px;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
  padding: 17px 0;
}
.scan-row:hover { background: #eeebe5; }
.scan-time,
.scan-tag {
  color: var(--muted);
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  font-size: 0.81rem;
  line-height: 1.45;
  letter-spacing: 0;
  text-transform: none;
}
.scan-message {
  margin: 0;
  color: var(--ink);
  font-size: 0.99rem;
  line-height: 1.45;
}
.scan-tag { justify-self: end; border: 0; padding: 0; font-weight: 700; }
.scan-row.airborne .scan-tag, .status-word.airborne, .status-word.takeoff { color: var(--orange); }
.scan-row.detected .scan-tag, .status-word.detected { color: var(--green); }
.scan-row.error .scan-tag, .status-word.error { color: var(--red); }
.scan-row.landed .scan-tag, .scan-row.reacquired .scan-tag,
.status-word.landed, .status-word.reacquired { color: var(--muted); }
.history-list .empty-state {
  margin: 20px 0 0;
  min-height: 135px;
  padding: 28px;
  background: var(--cream);
}
.history-list .empty-state h3 { font-size: clamp(1.65rem, 3vw, 2.2rem); }
.history-list .empty-state p { font-size: 0.95rem; }
.history-pagination { display: flex; justify-content: center; padding: 22px 0; }
.history-pagination[hidden] { display: none; }

.collection-meta {
  display: flex;
  justify-content: space-between;
  gap: 15px 25px;
  flex-wrap: wrap;
  padding: 0 0 22px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.87rem;
}
.collection-meta strong { color: var(--accent); font-weight: 750; }
.watchlist-section.detail-section { margin: 0; padding: 0; border: none; }
.aircraft-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 0 36px;
  counter-reset: aircraft;
  margin: 0;
}
.aircraft-card {
  display: flex;
  flex-direction: column;
  position: relative;
  min-height: 239px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding: 25px 45px 21px 0;
  background: transparent;
  box-shadow: none;
  transition: background .15s ease;
}
.aircraft-card::before {
  position: absolute;
  top: 25px;
  right: 3px;
  color: #9b9f9a;
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  font-size: 0.78rem;
  font-weight: 650;
  content: counter(aircraft, decimal-leading-zero);
  counter-increment: aircraft;
}
.aircraft-card:hover,
.aircraft-card:focus-visible { background: #eee9e0; transform: none; border-color: var(--line); box-shadow: none; }
.aircraft-code {
  display: block;
  width: fit-content;
  margin: 0 0 9px;
  padding: 0;
  border: 0;
  border-radius: 0;
  color: var(--accent);
  background: none;
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  font-size: .77rem;
  font-weight: 800;
  letter-spacing: .04em;
}
.aircraft-card strong {
  margin: 0 0 3px;
  color: var(--navy);
  font-family: "Newsreader", Georgia, serif;
  font-size: clamp(1.7rem, 2.7vw, 2.3rem);
  font-weight: 550;
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.aircraft-model {
  color: var(--muted);
  font-size: 0.91rem;
  line-height: 1.5;
  opacity: 1;
}
.aircraft-card p {
  max-width: none;
  margin: 14px 0 18px;
  color: #495961;
  font-size: 0.9rem;
  line-height: 1.5;
}
.aircraft-footer {
  display: inline-block;
  position: static;
  margin-top: auto;
  color: var(--accent);
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  font-size: 0.85rem;
  font-weight: 750;
  text-transform: none;
  letter-spacing: 0;
}
.aircraft-card:hover .aircraft-footer { text-decoration: underline; }
.watchlist-section + .museum-support {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 20px;
  margin: 29px 0 34px;
}

footer {
  margin: 40px 0 0;
  padding: 22px 0 38px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: "DM Sans", Inter, system-ui, sans-serif;
  font-size: 0.78rem;
}
footer p { max-width: none; margin: 0; line-height: 1.5; }

@media (max-width: 900px) {
  .app-shell { width: min(100% - 44px, 1280px); }
  .hero-stage { grid-template-columns: 1fr 1fr; height: 310px; }
  .hero-stage-copy { padding: 28px; }
  .hero-stage h1 { font-size: clamp(2.85rem, 6vw, 4.15rem); }
  .topbar .top-links { gap: 16px; }
}
@media (max-width: 680px) {
  .app-shell { width: min(100% - 32px, 1280px); }
  .topbar {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
    padding: 17px 0 18px;
  }
  .topbar .brand { font-size: 1.98rem; }
  .topbar .top-links { justify-content: flex-start; gap: 20px; font-size: 0.88rem; }
  .hero-stage { display: flex; flex-direction: column; height: auto; margin: 21px 0 28px; }
  .hero-stage-copy { padding: 25px 24px 23px; }
  .hero-stage h1 { font-size: clamp(2.95rem, 12vw, 4.1rem); }
  .hero-photo { height: 205px; min-height: 0; max-height: none; }
  .hero-photo img { height: 100%; min-height: 0; max-height: none; }
  .section-heading, .live-board .section-heading, .history-heading {
    display: block;
    padding-bottom: 16px;
  }
  .section-heading h2, .history-heading h2, .live-board h2 { font-size: 2.25rem; }
  .fetch-status, .section-copy, .history-status { margin: 11px 0 0; text-align: left; }
  .live-key { gap: 17px; margin: 17px 0 13px; }
  .empty-state { padding: 25px 22px; min-height: 130px; }
  .empty-state h3 { font-size: 2.15rem; }
  .live-cards, .aircraft-grid { grid-template-columns: 1fr; }
  .live-card { padding: 23px; }
  .action-rail { grid-template-columns: 1fr; gap: 12px; margin-bottom: 26px; }
  .notification-cta, .museum-support { padding: 22px 23px; }
  .notification-cta a, .museum-support-link { width: auto; margin: 0; }
  .page-lede { padding: 35px 0 27px; }
  .page-lede h1 { font-size: clamp(3.4rem, 14vw, 4.8rem); }
  .history-tools { align-items: flex-start; margin-top: 16px; }
  .history-tools .history-status { margin-top: 0; text-align: left; }
  .history-summary { gap: 8px 20px; }
  .scan-row { grid-template-columns: minmax(0,1fr) auto; gap: 5px 12px; }
  .scan-time { grid-column: 1; }
  .scan-message { grid-column: 1; }
  .scan-tag { grid-column: 2; grid-row: 1 / span 2; }
  .aircraft-card { min-height: 222px; padding: 24px 40px 22px 0; }
  .watchlist-section + .museum-support { flex-direction: column; align-items: flex-start; }
  footer { margin-top: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

/* History and Aircraft no longer need a second visible page title:
   the primary navigation already names the section. */
.page-lede.compact-lede {
  padding: 30px 0 22px;
}
.page-lede.compact-lede .hero-copy,
.page-lede.compact-lede .hero-text {
  max-width: none;
  margin: 0;
}
.watchlist-section .aircraft-grid {
  border-top: 1px solid var(--line);
}

@media (max-width: 680px) {
  .page-lede.compact-lede {
    padding: 24px 0 20px;
  }
}