/* =========================================================
Website made by IQD 

/ Today is the first day of the rest of \
\ the mess.                             /
 ---------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     || 
========================================================= */
.dating-page {
  --dating-gold: #b18b55;
  --dating-good: #9bc5a1;
  --dating-warn: #e2bb78;
  --dating-bad: #db8f86;
}

.dating-header-inner { min-height: 82px; }
.dating-brand-mark { overflow: hidden; background: transparent; }
.dating-brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.dating-primary-nav { display: flex; align-items: center; gap: 20px; font-size: 13px; color: var(--muted, #aaa9a3); }
.dating-primary-nav a { position: relative; padding: 12px 0; }
.dating-primary-nav a:hover,
.dating-primary-nav a:focus-visible,
.dating-primary-nav a[aria-current="page"] { color: var(--text, #f3f3f0); }
.dating-primary-nav a[aria-current="page"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 1px; background: var(--dating-gold); }

.dating-hero { padding: 30px 0 40px; }
.dating-breadcrumbs { padding-top: 0; margin-bottom: 42px; }
.dating-hero-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(280px, .5fr); gap: 48px; align-items: end; }
.dating-hero h1 { margin: 10px 0 18px; font-size: clamp(52px, 8vw, 112px); line-height: .9; letter-spacing: -.065em; }
.dating-hero p { max-width: 800px; margin: 0; color: var(--muted, #aaa9a3); font-size: clamp(17px, 2vw, 22px); }
.dating-hero-note { border-left: 1px solid var(--line, #2a2a2a); padding: 8px 0 8px 24px; display: grid; gap: 8px; }
.dating-hero-note strong { font-size: 15px; }
.dating-hero-note span { color: var(--muted, #aaa9a3); font-size: 14px; }

.dating-tool-section { padding: 24px 0 76px; }
.dating-tool-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 18px; }
.dating-tool-heading h2 { margin: 6px 0 0; font-size: clamp(28px, 4vw, 48px); letter-spacing: -.035em; }
.dating-text-button { border: 0; background: none; color: var(--muted, #aaa9a3); cursor: pointer; padding: 8px 0; }
.dating-text-button:hover { color: var(--text, #f3f3f0); }

.dating-workspace { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(290px, .45fr); gap: 18px; align-items: start; }
.dating-main-panel,
.dating-photo-panel { border: 1px solid var(--line, #2a2a2a); border-radius: 20px; background: rgba(18,18,18,.86); box-shadow: var(--shadow, 0 24px 60px rgba(0,0,0,.34)); }
.dating-main-panel { min-height: 600px; overflow: hidden; }
.dating-photo-panel { position: sticky; top: 104px; padding: 24px; }
.dating-photo-panel h3 { margin: 7px 0 10px; font-size: 22px; letter-spacing: -.02em; }
.dating-photo-panel > p { margin: 0 0 18px; color: var(--muted, #aaa9a3); font-size: 14px; }
.dating-panel-kicker,
.dating-modal-kicker { text-transform: uppercase; letter-spacing: .18em; color: var(--dating-gold); font-size: 10px; font-weight: 800; }

.dating-progress { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 14px; padding: 16px 22px; border-bottom: 1px solid var(--line, #2a2a2a); color: var(--muted, #aaa9a3); font-size: 12px; }
.dating-progress-track { height: 3px; overflow: hidden; border-radius: 999px; background: #292929; }
.dating-progress-track span { display: block; width: 20%; height: 100%; background: var(--dating-gold); transition: width .25s ease; }
.dating-stage { padding: clamp(22px, 4vw, 42px); }
.dating-stage-head { max-width: 760px; margin-bottom: 26px; }
.dating-stage-head .dating-step-label { color: var(--dating-gold); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .16em; }
.dating-stage-head h3 { margin: 8px 0 10px; font-size: clamp(28px, 4vw, 46px); line-height: 1.02; letter-spacing: -.04em; }
.dating-stage-head p { margin: 0; color: var(--muted, #aaa9a3); font-size: 15px; max-width: 680px; }

.dating-mode-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.dating-choice-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.dating-choice-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.dating-choice,
.dating-mode-card { width: 100%; text-align: left; color: var(--text, #f3f3f0); border: 1px solid var(--line, #2a2a2a); background: #161616; border-radius: 15px; cursor: pointer; transition: transform .18s ease, border-color .18s ease, background .18s ease; }
.dating-choice { min-height: 92px; padding: 16px; display: grid; align-content: center; gap: 5px; }
.dating-choice strong { font-size: 15px; }
.dating-choice span { color: var(--muted, #aaa9a3); font-size: 12px; line-height: 1.35; }
.dating-mode-card { min-height: 150px; padding: 20px; }
.dating-mode-card strong { display: block; margin: 8px 0 6px; font-size: 19px; }
.dating-mode-card span { display: block; color: var(--muted, #aaa9a3); font-size: 13px; }
.dating-mode-card .dating-mode-icon { color: var(--dating-gold); font-size: 24px; }
.dating-choice:hover,
.dating-choice:focus-visible,
.dating-mode-card:hover,
.dating-mode-card:focus-visible { transform: translateY(-1px); border-color: #555; background: #1b1b1b; outline: none; }
.dating-choice.selected { border-color: var(--dating-gold); box-shadow: inset 0 0 0 1px var(--dating-gold); }


/* Visual cues for dating choices */
.dating-choice-previewed {
  min-height: 116px;
  padding: 0;
  grid-template-columns: minmax(92px, 34%) minmax(0, 1fr);
  align-items: stretch;
  overflow: hidden;
}
.dating-choice-image {
  position: relative;
  display: block;
  min-width: 0;
  background: #f3f1ea;
  border-right: 1px solid var(--line, #2a2a2a);
  overflow: hidden;
}
.dating-choice-image img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 114px;
  object-fit: contain;
  padding: 7px;
}
.dating-choice-example {
  position: absolute;
  left: 7px;
  bottom: 7px;
  padding: 3px 6px;
  border-radius: 999px;
  background: rgba(12,12,12,.78);
  color: #f4f3ef !important;
  font-size: 8px !important;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
  line-height: 1.2 !important;
  backdrop-filter: blur(5px);
}
.dating-choice-copy {
  display: grid;
  align-content: center;
  gap: 5px;
  min-width: 0;
  padding: 15px 16px;
}
.dating-choice-copy > span {
  color: var(--muted, #aaa9a3);
  font-size: 12px;
  line-height: 1.35;
}
.dating-choice-previewed:hover .dating-choice-image img,
.dating-choice-previewed:focus-visible .dating-choice-image img {
  transform: scale(1.025);
}
.dating-choice-image img {
  transition: transform .18s ease;
}

/* Compact visual cue inside a decoding step */
.dating-step-reference {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  margin: -4px 0 22px;
  padding: 11px;
  border: 1px solid var(--line, #2a2a2a);
  border-radius: 14px;
  background: rgba(255,255,255,.018);
}
.dating-step-reference-image {
  overflow: hidden;
  border: 1px solid #d8d4c8;
  border-radius: 9px;
  background: #f3f1ea;
}
.dating-step-reference-image img {
  display: block;
  width: 100%;
  aspect-ratio: 2.55 / 1;
  object-fit: contain;
  padding: 4px;
}
.dating-step-reference-copy {
  display: grid;
  gap: 3px;
  min-width: 0;
}
.dating-step-reference-label,
.dating-result-reference-label {
  color: var(--dating-gold) !important;
  font-size: 9px !important;
  font-weight: 850;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.dating-step-reference-copy strong { font-size: 13px; line-height: 1.25; }
.dating-step-reference-copy > span:last-child {
  color: var(--muted, #aaa9a3);
  font-size: 11px;
  line-height: 1.4;
}

/* Reference shown with a decoded result */
.dating-result-reference {
  display: grid;
  grid-template-columns: 178px minmax(0, 1fr);
  align-items: center;
  gap: 15px;
  padding: 12px;
  border: 1px solid var(--line, #2a2a2a);
  border-radius: 14px;
  background: rgba(255,255,255,.018);
}
.dating-result-reference img {
  display: block;
  width: 100%;
  aspect-ratio: 2.55 / 1;
  object-fit: contain;
  padding: 4px;
  border: 1px solid #d8d4c8;
  border-radius: 9px;
  background: #f3f1ea;
}
.dating-result-reference > div { min-width: 0; }
.dating-result-reference strong {
  display: block;
  margin: 3px 0 3px;
  font-size: 14px;
}
.dating-result-reference > div > span:last-child {
  display: block;
  color: var(--muted, #aaa9a3);
  font-size: 11px;
  line-height: 1.4;
}

.dating-form-block { display: grid; gap: 14px; margin: 22px 0; }
.dating-form-block > label,
.dating-fieldset legend { font-size: 13px; font-weight: 700; }
.dating-fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.dating-code-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; margin-top: 10px; }
.dating-code-button { min-height: 52px; border: 1px solid var(--line, #2a2a2a); border-radius: 12px; background: #151515; color: var(--text, #f3f3f0); cursor: pointer; font-weight: 750; }
.dating-code-button:hover,
.dating-code-button:focus-visible { border-color: #555; outline: none; }
.dating-code-button.selected { background: var(--text, #f3f3f0); color: #111; border-color: var(--text, #f3f3f0); }
.dating-code-button.unknown { grid-column: span 2; font-weight: 600; color: var(--muted, #aaa9a3); }

.dating-input-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: stretch; }
.dating-input { min-height: 52px; width: 100%; border: 1px solid var(--line, #2a2a2a); border-radius: 12px; background: #101010; color: var(--text, #f3f3f0); padding: 0 15px; outline: none; }
.dating-input:focus { border-color: #666; }
.dating-inline-note { color: var(--muted, #aaa9a3); font-size: 12px; margin: 6px 0 0; }
.dating-mark-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 20px 0; }
.dating-mark-side { border: 1px solid var(--line, #2a2a2a); border-radius: 14px; padding: 14px; }
.dating-mark-side strong { display: block; margin-bottom: 10px; }
.dating-count-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }

.dating-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.dating-primary-button,
.dating-secondary-button { min-height: 46px; border-radius: 999px; padding: 0 18px; font: inherit; cursor: pointer; }
.dating-primary-button { border: 1px solid var(--text, #f3f3f0); background: var(--text, #f3f3f0); color: #111; font-weight: 750; }
.dating-secondary-button { border: 1px solid var(--line, #2a2a2a); background: transparent; color: var(--text, #f3f3f0); }
.dating-primary-button:hover,
.dating-secondary-button:hover { filter: brightness(.92); }
.dating-primary-button:disabled { opacity: .45; cursor: not-allowed; }

.dating-photo-preview { margin-top: 18px; border-radius: 14px; overflow: hidden; border: 1px solid var(--line, #2a2a2a); background: #080808; }
.dating-photo-preview img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; transition: transform .2s ease; }
.dating-photo-actions { display: grid; grid-template-columns: 46px 46px 1fr; gap: 6px; padding: 8px; border-top: 1px solid var(--line, #2a2a2a); }
.dating-photo-actions button { min-height: 38px; border: 1px solid var(--line, #2a2a2a); background: #151515; color: var(--text, #f3f3f0); border-radius: 9px; cursor: pointer; }
.dating-orientation-tip { display: grid; gap: 5px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line, #2a2a2a); }
.dating-orientation-tip strong { font-size: 12px; }
.dating-orientation-tip span { color: var(--muted, #aaa9a3); font-size: 12px; }

.dating-reference-toolbar { display: flex; gap: 8px; flex-wrap: wrap; margin: 0 0 16px; }
.dating-filter-chip { border: 1px solid var(--line, #2a2a2a); background: transparent; color: var(--muted, #aaa9a3); border-radius: 999px; padding: 8px 12px; cursor: pointer; font-size: 12px; }
.dating-filter-chip.active { background: var(--text, #f3f3f0); color: #111; border-color: var(--text, #f3f3f0); }
.dating-reference-search { margin-bottom: 16px; }
.dating-reference-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; max-height: 650px; overflow: auto; padding-right: 4px; }
.dating-reference-card { border: 1px solid var(--line, #2a2a2a); border-radius: 13px; background: #111; color: var(--text, #f3f3f0); padding: 0; cursor: pointer; overflow: hidden; text-align: left; }
.dating-reference-card:hover { border-color: #555; }
.dating-reference-card img { width: 100%; aspect-ratio: 2.55 / 1; object-fit: contain; background: #f4f3ed; }
.dating-reference-card.insert img { aspect-ratio: 1.6 / 1; }
.dating-reference-card span { display: block; padding: 10px 11px; font-size: 12px; }

.dating-result { display: grid; gap: 20px; }
.dating-result-status { display: inline-flex; width: fit-content; align-items: center; min-height: 30px; padding: 0 10px; border-radius: 999px; font-size: 10px; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; border: 1px solid var(--line, #2a2a2a); color: var(--muted, #aaa9a3); }
.dating-result-status.exact,
.dating-result-status.year,
.dating-result-status.compatible { color: var(--dating-good); border-color: color-mix(in srgb, var(--dating-good) 50%, #222); }
.dating-result-status.inconsistent,
.dating-result-status.unusual { color: var(--dating-bad); border-color: color-mix(in srgb, var(--dating-bad) 50%, #222); }
.dating-result-status.partial,
.dating-result-status.approximate,
.dating-result-status.possible,
.dating-result-status.replacement { color: var(--dating-warn); border-color: color-mix(in srgb, var(--dating-warn) 45%, #222); }
.dating-result h3 { margin: 0; font-size: clamp(38px, 7vw, 82px); line-height: .92; letter-spacing: -.055em; }
.dating-result-summary { color: var(--muted, #aaa9a3); font-size: 16px; max-width: 760px; margin: -6px 0 0; }
.dating-result-box { border: 1px solid var(--line, #2a2a2a); border-radius: 14px; padding: 16px; }
.dating-result-box h4 { margin: 0 0 10px; font-size: 14px; }
.dating-result-box ul { margin: 0; padding-left: 20px; color: var(--muted, #aaa9a3); }
.dating-result-box li + li { margin-top: 5px; }
.dating-result-box.warning { border-color: rgba(219,143,134,.4); background: rgba(219,143,134,.045); }
.dating-comparison { border-left: 3px solid var(--dating-gold); padding: 14px 16px; background: rgba(177,139,85,.06); border-radius: 0 12px 12px 0; }
.dating-comparison strong { display: block; margin-bottom: 4px; }
.dating-comparison span { color: var(--muted, #aaa9a3); font-size: 13px; }
.dating-reddit { padding: 18px; border: 1px solid #343434; border-radius: 14px; background: #111; }
.dating-reddit strong { display: block; margin-bottom: 5px; }
.dating-reddit p { margin: 0 0 12px; color: var(--muted, #aaa9a3); font-size: 13px; }
.dating-reddit a { display: inline-flex; text-decoration: underline; text-underline-offset: 3px; }

.dating-modal[hidden] { display: none; }
.dating-modal { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 18px; }
.dating-modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.78); backdrop-filter: blur(8px); }
.dating-modal-card { position: relative; z-index: 1; width: min(760px, 100%); max-height: calc(100vh - 36px); overflow: auto; border: 1px solid var(--line, #2a2a2a); border-radius: 20px; background: #111; padding: 24px; box-shadow: 0 35px 100px rgba(0,0,0,.65); }
.dating-modal-card h2 { margin: 7px 0 16px; font-size: 30px; }
.dating-modal-card img { width: 100%; max-height: 460px; object-fit: contain; background: #f4f3ed; border-radius: 12px; }
.dating-modal-card p { color: var(--muted, #aaa9a3); }
.dating-modal-close { position: absolute; top: 14px; right: 14px; width: 40px; height: 40px; border: 1px solid var(--line, #2a2a2a); border-radius: 50%; background: #171717; color: #fff; cursor: pointer; font-size: 24px; }
.dating-modal-actions { display: flex; gap: 9px; flex-wrap: wrap; margin-top: 18px; }

.dating-seo { padding: 40px 0 90px; }
.dating-seo-intro { max-width: 820px; }
.dating-seo-intro h2 { margin: 7px 0 12px; font-size: clamp(32px, 5vw, 62px); letter-spacing: -.045em; }
.dating-seo-intro p { color: var(--muted, #aaa9a3); }
.dating-info-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 28px; }
.dating-info-grid article { padding: 20px; border: 1px solid var(--line, #2a2a2a); border-radius: 15px; background: #111; }
.dating-info-grid h3 { margin: 0 0 8px; font-size: 17px; }
.dating-info-grid p { margin: 0; color: var(--muted, #aaa9a3); font-size: 13px; }
.dating-disclaimer { margin-top: 28px; padding: 20px 0; border-top: 1px solid var(--line, #2a2a2a); border-bottom: 1px solid var(--line, #2a2a2a); }
.dating-disclaimer p { color: var(--muted, #aaa9a3); margin: 6px 0 0; max-width: 900px; }

@media (max-width: 1080px) {
  .dating-primary-nav { gap: 13px; }
  .dating-workspace { grid-template-columns: minmax(0, 1fr) 300px; }
  .dating-reference-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dating-info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .dating-header-inner { min-height: 70px; }
  .dating-primary-nav { overflow-x: auto; max-width: 58vw; white-space: nowrap; scrollbar-width: none; }
  .dating-primary-nav::-webkit-scrollbar { display: none; }
  .dating-hero { padding-top: 18px; }
  .dating-breadcrumbs { margin-bottom: 28px; }
  .dating-hero-grid { grid-template-columns: 1fr; gap: 22px; }
  .dating-hero-note { border-left: 0; border-top: 1px solid var(--line, #2a2a2a); padding: 18px 0 0; }
  .dating-workspace { grid-template-columns: 1fr; }
  .dating-photo-panel { position: static; order: 2; }
  .dating-main-panel { min-height: 0; }
  .dating-stage { padding: 24px 18px; }
  .dating-mode-grid { grid-template-columns: 1fr; }
  .dating-mode-card { min-height: 120px; }
  .dating-choice-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dating-choice-previewed { grid-template-columns: 96px minmax(0, 1fr); min-height: 108px; }
  .dating-choice-image img { min-height: 106px; padding: 6px; }
  .dating-choice-copy { padding: 13px 14px; }
  .dating-step-reference { grid-template-columns: 132px minmax(0, 1fr); }
  .dating-result-reference { grid-template-columns: 150px minmax(0, 1fr); }
  .dating-info-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .dating-header-inner { align-items: center; gap: 10px; }
  .dating-brand-mark { width: 42px; height: 42px; flex: 0 0 42px; }
  .dating-brand-copy span { display: none; }
  .dating-primary-nav { max-width: 54vw; font-size: 12px; gap: 14px; }
  .dating-primary-nav a { padding: 15px 0; }
  .dating-hero h1 { font-size: clamp(48px, 18vw, 78px); }
  .dating-tool-heading { align-items: start; }
  .dating-tool-heading h2 { font-size: 29px; }
  .dating-progress { grid-template-columns: 1fr; gap: 8px; }
  .dating-choice-grid,
  .dating-choice-grid.two { grid-template-columns: 1fr; }
  .dating-choice { min-height: 78px; }
  .dating-choice-previewed { grid-template-columns: 92px minmax(0, 1fr); min-height: 96px; }
  .dating-choice-image img { min-height: 94px; padding: 5px; }
  .dating-choice-copy { padding: 12px 13px; }
  .dating-choice-copy strong { font-size: 14px; }
  .dating-choice-copy > span { font-size: 11px; }
  .dating-choice-example { left: 5px; bottom: 5px; font-size: 7px !important; }
  .dating-step-reference { grid-template-columns: 104px minmax(0, 1fr); gap: 10px; padding: 9px; margin-bottom: 18px; }
  .dating-step-reference-copy strong { font-size: 12px; }
  .dating-step-reference-copy > span:last-child { font-size: 10px; }
  .dating-result-reference { grid-template-columns: 112px minmax(0, 1fr); gap: 11px; padding: 10px; }
  .dating-result-reference strong { font-size: 12px; }
  .dating-result-reference > div > span:last-child { font-size: 10px; }
  .dating-code-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .dating-code-button.unknown { grid-column: span 4; }
  .dating-mark-columns { grid-template-columns: 1fr; }
  .dating-reference-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); max-height: 560px; }
  .dating-reference-card span { font-size: 11px; }
  .dating-result h3 { font-size: clamp(40px, 15vw, 68px); }
  .dating-actions { display: grid; grid-template-columns: 1fr; }
  .dating-actions button, .dating-actions a { width: 100%; justify-content: center; }
  .dating-info-grid { grid-template-columns: 1fr; }
  .dating-modal { padding: 10px; }
  .dating-modal-card { max-height: calc(100vh - 20px); padding: 18px; }
  .dating-modal-card img { max-height: 48vh; }
}

@media (prefers-reduced-motion: reduce) {
  .dating-choice, .dating-mode-card, .dating-progress-track span, .dating-photo-preview img, .dating-choice-image img { transition: none; }
}

/* v1.2 collector analysis */
.dating-source-badges { display:flex; flex-wrap:wrap; gap:6px; margin-top:8px; }
.dating-source-badge { display:inline-flex; align-items:center; min-height:24px; padding:0 8px; border:1px solid var(--line,#2a2a2a); border-radius:999px; color:var(--muted,#aaa9a3); font-size:10px; }
.dating-year-lookup-head { display:flex; align-items:baseline; justify-content:space-between; gap:16px; margin:18px 0 14px; }
.dating-year-lookup-head strong { font-size:clamp(34px,6vw,62px); letter-spacing:-.045em; }
.dating-year-lookup-head span { color:var(--muted,#aaa9a3); font-size:12px; }
.dating-reference-grid.compact { max-height:none; margin-top:14px; }
.dating-variant-list { margin-top:22px; }
.dating-variant-list > h4 { margin:0 0 10px; }
.dating-variant-card { display:grid; grid-template-columns:180px minmax(0,1fr); gap:14px; align-items:center; padding:12px; border:1px solid var(--line,#2a2a2a); border-radius:14px; background:#111; }
.dating-variant-card + .dating-variant-card { margin-top:8px; }
.dating-variant-card img { width:100%; aspect-ratio:3.15/1; object-fit:contain; background:#f4f3ed; border-radius:9px; }
.dating-variant-card strong { display:block; }
.dating-variant-card p { margin:5px 0 0; color:var(--muted,#aaa9a3); font-size:12px; line-height:1.45; }
.dating-glossary-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px; }
.dating-glossary-card { overflow:hidden; border:1px solid var(--line,#2a2a2a); border-radius:14px; background:#111; }
.dating-glossary-card img { display:block; width:100%; aspect-ratio:2.1/1; object-fit:contain; background:#f4f3ed; }
.dating-glossary-card > div { padding:14px; }
.dating-glossary-card strong { display:block; font-size:15px; }
.dating-glossary-card p { margin:6px 0 0; color:var(--muted,#aaa9a3); font-size:12px; line-height:1.48; }
.dating-collector-question { border:0; padding:0; margin:0 0 22px; min-width:0; }
.dating-collector-question legend { margin-bottom:10px; font-size:14px; font-weight:750; }
.dating-advanced-insert-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 18px; }
.dating-trait-options { display:flex; flex-wrap:wrap; gap:7px; }
.dating-trait-options button { min-height:40px; padding:0 12px; border:1px solid var(--line,#2a2a2a); border-radius:10px; background:#151515; color:var(--text,#f3f3f0); cursor:pointer; }
.dating-trait-options button:hover,.dating-trait-options button:focus-visible { border-color:#555; outline:none; }
.dating-trait-options button.selected { border-color:var(--dating-gold); box-shadow:inset 0 0 0 1px var(--dating-gold); }
.dating-sources { margin-top:34px; padding:24px; border:1px solid var(--line,#2a2a2a); border-radius:16px; background:#111; }
.dating-sources h3 { margin:0 0 8px; font-size:18px; }
.dating-sources > p { margin:0; color:var(--muted,#aaa9a3); font-size:13px; }
.dating-source-links { display:flex; flex-wrap:wrap; gap:9px; margin-top:14px; }
.dating-source-links a { display:inline-flex; align-items:center; min-height:38px; padding:0 12px; border:1px solid var(--line,#2a2a2a); border-radius:999px; text-decoration:none; }
.dating-source-links a:hover { border-color:#555; }
.dating-version-note { margin-top:14px; color:var(--muted,#aaa9a3); font-size:11px; }

@media (max-width:820px) {
  .dating-variant-card { grid-template-columns:140px minmax(0,1fr); }
  .dating-glossary-grid,.dating-advanced-insert-grid { grid-template-columns:1fr; }
}
@media (max-width:560px) {
  .dating-year-lookup-head { align-items:flex-start; flex-direction:column; gap:2px; }
  .dating-variant-card { grid-template-columns:110px minmax(0,1fr); gap:10px; }
  .dating-variant-card p { font-size:11px; }
  .dating-glossary-card img { aspect-ratio:2.4/1; max-height:150px; }
  .dating-trait-options { display:grid; grid-template-columns:1fr 1fr; }
  .dating-trait-options button { width:100%; }
}

/* v1.2 glossary navigation UX patch */
body.dating-glossary-open { overflow: hidden; }

.dating-term-help {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-left: 6px;
  border: 1px solid var(--line, #2a2a2a);
  border-radius: 50%;
  background: #171717;
  color: var(--muted, #aaa9a3);
  font: inherit;
  font-size: 11px;
  line-height: 1;
  cursor: pointer;
  vertical-align: middle;
}
.dating-term-help:hover,
.dating-term-help:focus-visible {
  color: var(--text, #f3f3f0);
  border-color: #666;
  outline: none;
}

.dating-glossary-overlay[hidden] { display: none; }
.dating-glossary-overlay {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  padding: 18px;
}
.dating-glossary-overlay-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.78);
  backdrop-filter: blur(8px);
}
.dating-glossary-overlay-panel {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto minmax(0,1fr) auto;
  width: min(980px, 100%);
  max-height: calc(100vh - 36px);
  overflow: hidden;
  border: 1px solid var(--line, #2a2a2a);
  border-radius: 20px;
  background: #111;
  box-shadow: 0 35px 100px rgba(0,0,0,.68);
}
.dating-glossary-overlay-header {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  gap: 20px;
  align-items: start;
  padding: 22px 24px 18px;
  border-bottom: 1px solid var(--line, #2a2a2a);
}
.dating-glossary-overlay-header h2 {
  margin: 6px 0 7px;
  font-size: clamp(25px, 4vw, 38px);
  letter-spacing: -.035em;
}
.dating-glossary-overlay-header p {
  max-width: 700px;
  margin: 0;
  color: var(--muted, #aaa9a3);
  font-size: 13px;
  line-height: 1.5;
}
.dating-glossary-overlay-close {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line, #2a2a2a);
  border-radius: 50%;
  background: #181818;
  color: var(--text, #f3f3f0);
  font: inherit;
  font-size: 24px;
  cursor: pointer;
}
.dating-glossary-overlay-close:hover,
.dating-glossary-overlay-close:focus-visible {
  border-color: #666;
  outline: none;
}
.dating-glossary-overlay-body {
  overflow: auto;
  padding: 20px 24px 24px;
  overscroll-behavior: contain;
}
.dating-glossary-overlay-footer {
  display: flex;
  justify-content: flex-end;
  padding: 14px 24px;
  border-top: 1px solid var(--line, #2a2a2a);
  background: #111;
}
.dating-glossary-overlay .dating-glossary-card {
  scroll-margin-top: 16px;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.dating-glossary-overlay .dating-glossary-card.highlighted {
  border-color: var(--dating-gold);
  box-shadow: 0 0 0 1px var(--dating-gold), 0 14px 38px rgba(0,0,0,.28);
  transform: translateY(-1px);
}

@media (max-width: 820px) {
  .dating-glossary-overlay { padding: 10px; }
  .dating-glossary-overlay-panel { max-height: calc(100vh - 20px); }
  .dating-glossary-overlay-header { padding: 18px 18px 14px; }
  .dating-glossary-overlay-body { padding: 16px 18px 20px; }
  .dating-glossary-overlay-footer { padding: 12px 18px; }
}

@media (max-width: 560px) {
  .dating-glossary-overlay { padding: 0; place-items: stretch; }
  .dating-glossary-overlay-panel {
    width: 100%;
    max-height: 100vh;
    height: 100vh;
    border: 0;
    border-radius: 0;
  }
  .dating-glossary-overlay-header {
    position: sticky;
    top: 0;
    z-index: 2;
    padding: 15px 14px 12px;
    background: #111;
  }
  .dating-glossary-overlay-header h2 { font-size: 26px; }
  .dating-glossary-overlay-header p { font-size: 12px; }
  .dating-glossary-overlay-close { width: 40px; height: 40px; }
  .dating-glossary-overlay-body { padding: 14px; }
  .dating-glossary-overlay-footer {
    position: sticky;
    bottom: 0;
    z-index: 2;
    padding: 10px 14px;
  }
  .dating-glossary-overlay-footer .dating-primary-button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .dating-glossary-overlay .dating-glossary-card { transition: none; }
}

/* v1.2 Special Stamp visual-reference badge */
.dating-reference-card .dating-reference-badge {
  display: inline-flex;
  margin-left: 7px;
  padding: 2px 6px;
  border: 1px solid color-mix(in srgb, var(--dating-gold) 55%, #333);
  border-radius: 999px;
  color: var(--dating-gold);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  vertical-align: middle;
}

/* v1.2.1 Visual Reference audit / hotfix */
.dating-reference-card > span {
  min-height: 42px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
}
.dating-reference-card img {
  object-position: center;
}
.dating-modal-source-line {
  display: block;
  margin-top: 12px;
}
.dating-modal-variant-notes {
  margin: 10px 0 0;
  padding-left: 20px;
  color: var(--muted, #aaa9a3);
}
.dating-modal-variant-notes li + li { margin-top: 4px; }
.dating-year-visual-button { margin-left: auto; }

@media (max-width: 560px) {
  .dating-year-visual-button { margin-left: 0; width: 100%; }
}

@media (max-width: 460px) {
  .dating-reference-grid { grid-template-columns: 1fr; }
  .dating-reference-card img { aspect-ratio: 2.8 / 1; }
  .dating-reference-card > span { min-height: 38px; }
}

/* v1.3 In Quiet Detail real photographic bottom-stamp references */
.dating-reference-card .dating-reference-badge.photo {
  border-color: rgba(132, 180, 150, .5);
  color: #b7d8c0;
}
.dating-reference-photo-gallery {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--line, #2a2a2a);
  border-radius: 12px;
  background: #0d0d0d;
}
.dating-reference-photo-gallery[hidden] { display: none; }
.dating-photo-gallery-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 10px;
  font-size: 11px;
}
.dating-photo-gallery-head strong { color: var(--text, #f3f3f0); }
.dating-photo-gallery-head span { color: var(--muted, #aaa9a3); }
.dating-photo-gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 8px;
}
.dating-photo-thumb {
  min-width: 0;
  border: 1px solid var(--line, #2a2a2a);
  border-radius: 9px;
  padding: 5px;
  background: #151515;
  color: var(--muted, #aaa9a3);
  cursor: pointer;
  text-align: left;
}
.dating-photo-thumb:hover,
.dating-photo-thumb.active {
  border-color: var(--dating-gold, #d6b36a);
  color: var(--text, #f3f3f0);
}
.dating-photo-thumb img {
  width: 100%;
  height: 64px;
  max-height: none;
  object-fit: cover;
  border-radius: 6px;
  background: #111;
}
.dating-photo-thumb span {
  display: block;
  margin-top: 5px;
  font-size: 9px;
  line-height: 1.25;
}
@media (max-width: 560px) {
  .dating-photo-gallery-head { display: block; }
  .dating-photo-gallery-head span { display: block; margin-top: 3px; }
  .dating-photo-gallery-thumbs { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

/* v1.4 real insert reference support */
.dating-reference-supporting-copy { margin:0 0 10px; color:var(--muted,#aaa9a3); font-size:12px; line-height:1.5; }


/* v1.5 reference image zoom / lightbox, credits and footer metadata */
#referenceModalImage[data-zoomable],
.dating-result-reference img[data-zoomable],
.dating-variant-card img[data-zoomable],
.dating-variant-card img {
  cursor: zoom-in;
}
.dating-modal-zoom-hint {
  display: block;
  margin-top: 7px;
  color: var(--muted, #aaa9a3);
  font-size: 10px;
  text-align: center;
}
.dating-photo-gallery-rights {
  text-align: right;
}
.dating-footer-legal {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.dating-footer-legal #datingCopyright {
  font-size: 11px;
  color: var(--muted, #aaa9a3);
}
.dating-version-note {
  line-height: 1.55;
}

body.dating-image-lightbox-open {
  overflow: hidden;
}
.dating-image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10050;
  display: grid;
  place-items: center;
  padding: 18px;
}
.dating-image-lightbox[hidden] { display: none; }
.dating-image-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.88);
  backdrop-filter: blur(5px);
}
.dating-image-lightbox-panel {
  position: relative;
  z-index: 1;
  width: min(96vw, 1680px);
  height: min(94vh, 1120px);
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  border: 1px solid var(--line, #2a2a2a);
  border-radius: 16px;
  background: #090909;
  box-shadow: 0 24px 80px rgba(0,0,0,.58);
}
.dating-image-lightbox-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line, #2a2a2a);
  background: #111;
}
.dating-image-lightbox-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.dating-image-lightbox-copy strong {
  overflow: hidden;
  color: var(--text, #f3f3f0);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dating-image-lightbox-copy span {
  color: var(--muted, #aaa9a3);
  font-size: 10px;
}
.dating-image-lightbox-controls {
  flex: 0 0 auto;
  display: flex;
  gap: 6px;
}
.dating-image-lightbox-controls button {
  min-width: 36px;
  min-height: 34px;
  padding: 6px 9px;
  border: 1px solid var(--line, #333);
  border-radius: 8px;
  background: #181818;
  color: var(--text, #f3f3f0);
  cursor: pointer;
  font: inherit;
  font-size: 11px;
}
.dating-image-lightbox-controls button:hover,
.dating-image-lightbox-controls button:focus-visible {
  border-color: var(--dating-gold, #d6b36a);
  outline: none;
}
.dating-image-lightbox-controls .dating-image-lightbox-close {
  font-size: 20px;
  line-height: 1;
}
.dating-image-lightbox-viewport {
  position: relative;
  min-height: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 14px;
  touch-action: none;
  user-select: none;
  cursor: grab;
}
.dating-image-lightbox-viewport:active { cursor: grabbing; }
.dating-image-lightbox-viewport img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transform-origin: center center;
  will-change: transform;
  -webkit-user-drag: none;
  user-select: none;
}
.dating-image-lightbox-viewport img.zoomed { cursor: grab; }
.dating-image-lightbox-hint {
  padding: 8px 14px 10px;
  border-top: 1px solid var(--line, #2a2a2a);
  color: var(--muted, #aaa9a3);
  font-size: 10px;
  text-align: center;
  background: #0d0d0d;
}

@media (max-width: 700px) {
  .dating-image-lightbox { padding: 0; }
  .dating-image-lightbox-panel {
    width: 100%;
    height: 100%;
    max-height: 100vh;
    border: 0;
    border-radius: 0;
  }
  .dating-image-lightbox-toolbar {
    align-items: flex-start;
    padding: 9px 10px;
  }
  .dating-image-lightbox-copy span { max-width: 48vw; }
  .dating-image-lightbox-controls { gap: 4px; }
  .dating-image-lightbox-controls button {
    min-width: 34px;
    min-height: 34px;
    padding: 5px 7px;
  }
  .dating-image-lightbox-controls [data-image-zoom-actual] {
    display: none;
  }
  .dating-image-lightbox-viewport { padding: 8px; }
  .dating-footer-legal { width: 100%; }
  .dating-photo-gallery-rights { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  .dating-image-lightbox-viewport img { transition: none; }
}

/* v1.6 · Quiet collector workspace */
.dating-beginner-banner { display:grid;gap:6px;width:100%;text-align:left;border:1px solid #705b3b;border-radius:16px;background:linear-gradient(105deg,#242015,#151515);color:#f4f0e8;padding:20px 24px;margin-bottom:26px;cursor:pointer; }
.dating-beginner-banner span {font-size:11px;color:#d4b581;text-transform:uppercase;letter-spacing:.12em;font-weight:800;}
.dating-beginner-banner strong {font-size:clamp(17px,2vw,23px);line-height:1.25;letter-spacing:-.02em;}
.dating-beginner-banner small {font-size:12px;color:#bcb8af;}
.dating-section-label {font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#bbb0a3;margin:0 0 12px;}
.dating-collector-drawer,.dating-changelog,.dating-decade {border:1px solid var(--line,#333);border-radius:13px;margin-top:13px;padding:0 16px;background:rgba(255,255,255,.015);}
.dating-collector-drawer summary,.dating-changelog summary,.dating-decade summary {cursor:pointer;padding:15px 0;font-size:14px;font-weight:700;}
.dating-collector-drawer summary:focus-visible,.dating-changelog summary:focus-visible,.dating-decade summary:focus-visible {outline:2px solid #d9bb88;outline-offset:3px;}
.dating-collector-links {display:flex;gap:8px;flex-wrap:wrap;padding:0 0 16px;}
.dating-collector-links button {color:#e9e2d6;background:#202020;border:1px solid #444;border-radius:9px;padding:10px 13px;font:inherit;font-size:12px;cursor:pointer;}
.dating-collector-links button:hover,.dating-collector-links button:focus-visible {border-color:#c4a56b;color:#fff;}
.dating-changelog ul {padding:0 0 10px 22px;color:#bdbbb7;font-size:13px;line-height:1.65;}
.dating-completeness {border:1px solid #404040;border-radius:14px;padding:15px;margin:16px 0;background:rgba(255,255,255,.018);min-width:0;}
.dating-completeness>strong {display:block;font-size:13px;margin:0 0 11px;}
.dating-completeness>small {display:block;color:#9f9d99;font-size:11px;margin-top:9px;line-height:1.5;}
.dating-completeness-chips {display:flex;flex-wrap:wrap;gap:6px;}
.dating-completeness-chip {font-size:11px;white-space:nowrap;border-radius:6px;border:1px solid #454545;padding:5px 8px;color:#a4a3a0;}
.dating-completeness-chip.covered {border-color:#536f5a;background:#25382a;color:#d2edda;}
.dating-completeness-chip.missing {border-style:dashed;}
.dating-key-differences {margin:18px 0;display:grid;gap:9px;}
.dating-key-differences h4 {margin:0 0 4px;font-size:17px;}
.dating-key-differences article {border-left:2px solid #aa8d5b;padding:9px 15px;background:#191919;border-radius:0 9px 9px 0;}
.dating-key-differences article strong {font-size:13px;}
.dating-key-differences article p {font-size:12px;color:#bbb9b6;margin:4px 0 0;line-height:1.6;}
.dating-similar-years {margin:22px 0;display:grid;gap:10px;}
.dating-similar-years strong {font-size:13px;}
.dating-similar-years>div {display:flex;flex-wrap:wrap;gap:7px;}
.dating-coverage-legend {display:grid;grid-template-columns:65px repeat(5,minmax(0,1fr));gap:4px;font-size:10px;color:#b4ada4;margin:22px 0 12px;padding:0 12px;}
.dating-coverage-legend::before {content:"Year";}
.dating-decade summary {display:flex;justify-content:space-between;gap:8px;font-size:17px;align-items:center;}
.dating-decade summary small {font-size:11px;font-weight:400;color:#a9a6a2;}
.dating-timeline-list {padding-bottom:13px;}
.dating-timeline-row {display:grid;grid-template-columns:65px repeat(5,minmax(0,1fr));align-items:center;gap:4px;width:100%;padding:7px 0;border:0;border-top:1px solid #303030;background:transparent;color:#eee;cursor:pointer;text-align:left;}
.dating-timeline-row:hover,.dating-timeline-row:focus-visible {background:#26231e;outline:2px solid #977949;outline-offset:-2px;}
.dating-timeline-row strong {padding-left:10px;font-size:13px;}
.dating-timeline-pip {text-align:center;font-size:17px;line-height:25px;color:#555;}
.dating-timeline-pip.present {color:#b6d1ba;background:#1c2b20;border-radius:5px;}
.dating-stat-grid {display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:18px;}
.dating-stat-grid article {padding:22px;border-radius:12px;background:#202020;display:grid;gap:4px;border:1px solid #3b3b3b;}
.dating-stat-grid article strong {font-size:clamp(31px,4vw,48px);letter-spacing:-.04em;color:#ddbf8d;}
.dating-stat-grid article span {font-size:12px;color:#bbb;}
.dating-compare-inputs,.dating-compare-grid {display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin:16px 0;min-width:0;}
.dating-compare-inputs label {min-width:0;display:grid;gap:6px;color:#bbb;font-size:12px;}
.dating-compare-inputs select {width:100%;min-width:0;color:#fff;background:#1f1f1f;}
.dating-compare-panel {padding:13px;border:1px solid #393939;background:#181818;border-radius:12px;min-width:0;}
.dating-compare-panel h4 {margin:0 0 12px;font-size:12px;color:#b89a69;}
.dating-compare-panel img {width:100%;aspect-ratio:4/3;object-fit:contain;background:#eeeeea;border-radius:7px;cursor:zoom-in;}
.dating-compare-panel>strong {display:block;margin-top:12px;font-size:15px;}
.dating-compare-panel p {font-size:12px;line-height:1.65;color:#b4b2ad;overflow-wrap:anywhere;}
.dating-compare-panel small {color:#b89a69;font-size:11px;line-height:1.5;}
.dating-evidence {margin-top:20px;padding:16px 0;border-top:1px solid #414141;}
.dating-evidence h3 {font-size:16px;margin:0 0 10px;}
.dating-evidence dl {display:grid;gap:0;margin:0;}
.dating-evidence dl>div {display:grid;grid-template-columns:minmax(0,145px) minmax(0,1fr);gap:10px;border-bottom:1px solid #2c2c2c;padding:7px 0;font-size:12px;}
.dating-evidence dt {color:#999;}
.dating-evidence dd {margin:0;color:#eee;overflow-wrap:anywhere;}
.dating-evidence p {font-size:11px;line-height:1.6;color:#aaa;}
.dating-print-reference {font-size:13px;line-height:1.65;}
.dating-print-reference li {margin-bottom:7px;}
.dating-page :is(button,a,input,select,summary,img[role="button"]):focus-visible {outline:2px solid #e0ba78;outline-offset:3px;}
.dating-image-lightbox-controls button[hidden] {display:none;}
@media(max-width:700px) {
  .dating-compare-inputs,.dating-compare-grid {grid-template-columns:1fr;}
  .dating-stat-grid {gap:8px;}
  .dating-completeness-chip {font-size:10px;}
  .dating-coverage-legend {font-size:8px;gap:2px;padding:0 4px;grid-template-columns:43px repeat(5,minmax(0,1fr));}
  .dating-timeline-row {grid-template-columns:43px repeat(5,minmax(0,1fr));}
  .dating-timeline-row strong {padding-left:2px;}
  .dating-evidence dl>div {grid-template-columns:110px minmax(0,1fr);}
  .dating-beginner-banner {padding:18px;}
}
@media print {
  body.dating-page {background:#fff!important;color:#111!important;}
  .site-header,.dating-hero,.dating-tool-heading,.dating-photo-panel,.dating-site-footer,.dating-seo,.dating-actions,.dating-collector-drawer,.dating-changelog {display:none!important;}
  .dating-tool-section,.dating-main-panel,.dating-workspace,.dating-stage {display:block!important;margin:0!important;padding:0!important;min-height:0!important;border:0!important;background:#fff!important;box-shadow:none!important;color:#111!important;}
  .dating-print-reference {color:#111!important;font-size:12pt;}
  .dating-print-reference h3 {font-size:22pt;}
  .dating-print-reference li {break-inside:avoid;}
}

/* v1.6.2: In Quiet Detail insert sides are photographed vertically.
   Keep Terry, Moonlight, Glen and schematic examples unchanged. */
.dating-reference-card.insert.iqd-portrait img {
  aspect-ratio: 3 / 4;
  object-fit: contain;
  height: auto;
}
.dating-photo-thumb.iqd-portrait img {
  height: 112px;
  object-fit: contain;
}
.dating-compare-panel.iqd-portrait img {
  aspect-ratio: 3 / 4;
  object-fit: contain;
  max-height: 460px;
}
@media (max-width: 460px) {
  .dating-reference-card.insert.iqd-portrait img { aspect-ratio: 3 / 4; }
}

/* v1.6.3: lightbox fits both the width AND height of actual photographed image.
   Natural dimensions are read on load, so portrait/landscape gallery items adapt. */
.dating-image-lightbox-viewport {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}
.dating-image-lightbox-viewport img {
  flex: none;
  max-width: none;
  max-height: none;
}
.dating-image-lightbox-viewport.is-loading img { visibility: hidden; }
@media (min-width: 701px) {
  .dating-image-lightbox.is-portrait .dating-image-lightbox-panel {
    width: min(96vw, 860px);
  }
}
@media (max-width: 700px) {
  /* Keep native 100% accessible on touch screens without clipping gallery controls. */
  .dating-image-lightbox-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 7px;
  }
  .dating-image-lightbox-copy span { max-width: 100%; }
  .dating-image-lightbox-controls {
    justify-content: center;
    flex-wrap: wrap;
  }
  .dating-image-lightbox-controls [data-image-zoom-actual] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}

/* v1.6.4: distinguish exact-year images from photographs assigned to a broader wartime period. */
.dating-completeness-chip.range {border-color:rgba(190,151,79,.55);color:#d9bb88;background:rgba(153,110,51,.12);}
.dating-timeline-pip.range {color:#d9bb88;background:rgba(153,110,51,.14);border-color:rgba(190,151,79,.55);}
/* Portrait insert references must keep a readable aspect ratio at all viewport widths. */
.dating-reference-card.insert:has(> img[src*="/terry-lyons-ww2/"]) img {object-fit:contain;}
.dating-photo-thumb img {object-fit:contain;}

/* WWII photo inserts: portrait photos are not letterbox-shaped previews. */
.dating-reference-card.insert.terry-portrait img {aspect-ratio:3/4;object-fit:contain;height:auto;}
.dating-photo-thumb.terry-portrait img {height:112px;object-fit:contain;}
.dating-compare-panel.terry-portrait img {aspect-ratio:3/4;object-fit:contain;max-height:460px;}
@media(max-width:460px) {.dating-reference-card.insert.terry-portrait img {aspect-ratio:3/4;}}

/* v1.6.5: unified calm card-title system; anatomy/hinges remain in collector details. */
.dating-reference-card > span .dating-reference-title { display:block;flex-basis:100%;padding:0;min-height:0;font-size:inherit;line-height:1.45;overflow-wrap:anywhere; }
.dating-reference-card .dating-reference-secondary { display:block;flex-basis:100%;font-size:10px;line-height:1.35;letter-spacing:.02em;color:var(--muted,#aaa9a3);padding:0 0 2px; }
.dating-reference-card .dating-reference-badge { margin-left:0; }
.dating-reference-card.insert.terry-portrait img {aspect-ratio:3/4;object-fit:contain;}

/* v1.7.1 Independent collector construction chronology (Hardi Döhler). */
.dating-historical-features{margin:18px 0 24px;border:1px solid var(--line,#373734);border-radius:13px;padding:17px;background:var(--panel,#151515);min-width:0;}
.dating-historical-feature-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px;}
.dating-historical-feature-head h4{margin:0;font-size:17px;letter-spacing:-.02em;}
.dating-historical-feature-head small,.dating-historical-intro,.dating-historical-credit{color:var(--muted,#aaa9a3);font-size:12px;line-height:1.55;}
.dating-historical-intro{margin:10px 0 16px;}
.dating-feature-group{border-top:1px solid var(--line,#373734);padding:10px 0;}
.dating-feature-group summary{cursor:pointer;font-weight:650;list-style-position:inside;}
.dating-feature-group summary:focus-visible{outline:2px solid #e0ba78;outline-offset:3px;}
.dating-feature-group summary small{font-size:11px;color:var(--muted,#aaa9a3);font-weight:400;margin-left:8px;}
.dating-feature-group ul{padding-left:22px;margin:12px 0 0;}
.dating-feature-group li{margin-bottom:12px;font-size:13px;}
.dating-feature-group li>small{display:block;color:#d8b982;margin-top:2px;font-size:11px;}
.dating-feature-group li p{margin:3px 0 0;color:var(--muted,#aaa9a3);font-size:12px;line-height:1.5;}
.dating-feature-group li p.dating-feature-caution{font-style:italic;color:#d8b982;}
.dating-historical-credit{border-top:1px solid var(--line,#373734);padding-top:12px;margin:12px 0 0;}
.dating-historical-credit a{color:#d8b982;}
.dating-construction-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:15px 0;}
.dating-construction-controls label{display:grid;gap:6px;font-size:13px;color:var(--muted,#aaa9a3);}
.dating-construction-controls select{min-width:0;width:100%;}
@media(max-width:560px){.dating-construction-controls{grid-template-columns:1fr}.dating-historical-features{padding:13px}.dating-feature-group summary small{display:block;margin-left:15px}}
@media print{.dating-historical-features{background:#fff;color:#111}.dating-feature-group{break-inside:avoid}.dating-feature-group li p{color:#333}}