/* NUMIS: public catalogue styles.
   Direction (SPEC section 8): modern and elegant; generous whitespace, large photography,
   a refined serif for headings, a restrained warm palette with one antique-gold accent,
   light theme with a dark option. */

/* ---- Tokens ---------------------------------------------------------------- */
:root {
  --bg: #faf8f4;
  --surface: #ffffff;
  --surface-2: #f3efe7;
  --ink: #23211f;
  --muted: #6f695f;
  --line: #e6e0d4;
  --accent: #86692f;          /* antique gold, dark enough for text on light grounds */
  --accent-soft: #f1e8d4;
  --on-accent: #ffffff;
  --shadow: 0 1px 2px rgba(35, 33, 31, .06), 0 10px 28px rgba(35, 33, 31, .08);
  --radius: 16px;
  --gutter: clamp(16px, 4vw, 32px);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #151412; --surface: #1e1c19; --surface-2: #26231f; --ink: #efe9dc; --muted: #a59e90;
    --line: #35312a; --accent: #d4b46a; --accent-soft: #332c1c; --on-accent: #1a1712;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 28px rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #151412; --surface: #1e1c19; --surface-2: #26231f; --ink: #efe9dc; --muted: #a59e90;
  --line: #35312a; --accent: #d4b46a; --accent-soft: #332c1c; --on-accent: #1a1712;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 28px rgba(0, 0, 0, .35);
  color-scheme: dark;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-underline-offset: .18em; }
img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.2; margin: 0; }
p { margin: 0 0 1em; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

.container { width: min(1240px, 100% - 2 * var(--gutter)); margin-inline: auto; }
.muted { color: var(--muted); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--bg); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
.n { color: var(--muted); font-size: .85em; font-variant-numeric: tabular-nums; }

.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---- Buttons, chips, badges ------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px; border-radius: 999px; border: 1px solid var(--ink);
  background: var(--ink); color: var(--bg);
  font: 600 .78rem/1 var(--sans); letter-spacing: .09em; text-transform: uppercase; text-decoration: none;
}
.btn-pill { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn:hover { filter: brightness(1.08); }

.icon-button {
  display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
}
.icon-button:hover { border-color: var(--accent); }

.dot {
  display: inline-grid; place-items: center; min-width: 20px; height: 20px; padding: 0 6px;
  border-radius: 999px; background: var(--on-accent); color: var(--accent); font-size: .72rem; letter-spacing: 0;
}

.chip-row, .chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips { margin-block: 0 16px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px;
  background: var(--accent-soft); color: var(--ink); border: 1px solid transparent;
  font-size: .86rem; text-decoration: none;
}
a.chip:hover { border-color: var(--accent); }
.chip-clear { background: transparent; border-color: var(--line); color: var(--muted); }

.badges { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; }
.badge {
  display: inline-block; padding: 2px 10px; border-radius: 999px; border: 1px solid var(--accent);
  color: var(--accent); font-size: .74rem; font-weight: 600; letter-spacing: .04em;
}
.badge-soft { border-color: var(--line); color: var(--muted); font-weight: 500; }
.badge-sale { background: var(--accent); color: var(--on-accent); }

/* ---- Header ---------------------------------------------------------------- */
.simple-header { display: flex; justify-content: space-between; align-items: center; padding: 16px var(--gutter); border-bottom: 1px solid var(--line); }
.narrow { max-width: 26rem; margin-inline: auto; padding: 48px var(--gutter); }
main:not(:has(.container, .hero)) { padding: 32px var(--gutter); }
form.inline { display: inline; }

.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.header-row {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px 28px;
  padding-block: 18px;
}

.brand {
  display: inline-flex; align-items: center; font: 500 1.35rem/1 var(--serif);
  letter-spacing: .2em; text-transform: uppercase; color: var(--ink); text-decoration: none;
}
.brand-small { font-size: 1rem; }
.brand-ring {
  width: 1em; height: 1em; margin-right: .6em; border-radius: 50%; border: 2px solid var(--accent);
  box-shadow: inset 0 0 0 3px var(--surface), inset 0 0 0 4px var(--accent);
}

.search {
  display: flex; align-items: center; gap: 10px; padding: 5px 5px 5px 18px;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 999px;
}
.search:focus-within { border-color: var(--accent); background: var(--surface); }
.search .icon { color: var(--muted); }
.search input { flex: 1; min-width: 0; border: 0; background: transparent; padding: 9px 0; font-size: .98rem; outline: none; }
.search input::placeholder { color: var(--muted); }
.search button {
  border: 0; border-radius: 999px; background: var(--ink); color: var(--bg);
  padding: 11px 22px; font: 600 .78rem/1 var(--sans); letter-spacing: .09em; text-transform: uppercase;
}
.search-large { max-width: 660px; margin: 32px auto 0; padding: 7px 7px 7px 24px; background: var(--surface); box-shadow: var(--shadow); }
.search-large input { font-size: 1.08rem; padding: 12px 0; }

.pill-nav { background: var(--bg); padding-block: 14px 4px; }
.pill-nav ul {
  display: flex; gap: 4px; margin: 0; padding: 6px; list-style: none; overflow-x: auto;
  background: var(--surface); border: 1px solid var(--line); border-radius: 999px; scrollbar-width: none;
}
.pill-nav a {
  display: block; padding: 11px 22px; border-radius: 999px; white-space: nowrap;
  color: var(--ink); text-decoration: none; font: 600 .78rem/1 var(--sans); letter-spacing: .12em; text-transform: uppercase;
}
.pill-nav a:hover { background: var(--surface-2); }
.pill-nav a[aria-current="page"] { background: var(--ink); color: var(--bg); }

@media (max-width: 760px) {
  .header-row { grid-template-columns: 1fr auto; }
  .header-row .search { grid-column: 1 / -1; order: 3; }
  .brand { font-size: 1.15rem; }
}

/* ---- Page furniture -------------------------------------------------------- */
.crumbs { margin: 22px 0 6px; font-size: .84rem; color: var(--muted); }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 4px 0; margin: 0; padding: 0; list-style: none; }
.crumbs li + li::before { content: "›"; margin-inline: 10px; color: var(--muted); }
.crumbs a { color: var(--muted); }
.crumbs [aria-current] { color: var(--ink); }

.page-title { font-size: clamp(2rem, 4.4vw, 3.1rem); margin: 8px 0 20px; }
.page-title .count { font: 400 .42em var(--sans); color: var(--muted); letter-spacing: .02em; margin-left: .3em; }

.eyebrow { font: 600 .74rem/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.empty { text-align: center; padding: 72px 0; }
.empty h2 { font-size: 1.6rem; margin-bottom: 8px; }

.collection-head { display: flex; align-items: center; gap: 24px; margin: 8px 0 18px; }
.collection-head img { width: 120px; border-radius: 12px; background: var(--surface-2); padding: 8px; }
.collection-head p { max-width: 60ch; color: var(--muted); margin: 0; }

/* ---- Toolbar --------------------------------------------------------------- */
.toolbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  margin-block: 0 18px; padding: 10px 14px; border: 1px solid var(--line); border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 90%, transparent); backdrop-filter: blur(10px);
}
.view-toggle { display: inline-flex; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: var(--bg); }
.view-toggle a { display: grid; place-items: center; width: 42px; height: 34px; border-radius: 999px; color: var(--muted); }
.view-toggle a[aria-current] { background: var(--ink); color: var(--bg); }
.sort { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.sort label { font: 600 .74rem/1 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.sort select {
  padding: 9px 34px 9px 16px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface);
  appearance: none; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 18px) 55%, calc(100% - 13px) 55%; background-size: 5px 5px; background-repeat: no-repeat;
}
@media (max-width: 560px) { .sort label { display: none; } }

/* ---- Filter drawer --------------------------------------------------------- */
.drawer-backdrop {
  position: fixed; inset: 0; z-index: 50; background: rgba(12, 11, 9, .45);
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 60; width: min(390px, 100%);
  padding: 0 24px 24px; overflow-y: auto; background: var(--surface); border-left: 1px solid var(--line);
  box-shadow: var(--shadow); transform: translateX(102%); transition: transform .25s ease; visibility: hidden;
}
body[data-filters="open"] .drawer-backdrop { opacity: 1; pointer-events: auto; }
body[data-filters="open"] .drawer { transform: none; visibility: visible; }

.drawer-head { position: sticky; top: 0; z-index: 1; display: flex; justify-content: space-between; align-items: center; padding: 20px 0 12px; background: var(--surface); }
.drawer-head h2 { font-size: 1.5rem; }
.facet { border: 0; padding: 0; margin: 22px 0; min-width: 0; }
.facet legend { padding: 0; margin-bottom: 10px; font: 600 .74rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.facet ul { list-style: none; margin: 0; padding: 0; max-height: 280px; overflow-y: auto; }
.facet label { display: flex; align-items: center; gap: 10px; padding: 7px 0; cursor: pointer; }
.facet label span:nth-of-type(1) { flex: 1; }
.facet input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent); }
.years { display: flex; align-items: center; gap: 10px; }
.years input {
  width: 100%; padding: 10px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg);
}
.drawer-foot { display: flex; align-items: center; gap: 20px; margin-top: 28px; }

/* ---- Results and cards ----------------------------------------------------- */
.results { list-style: none; margin: 0; padding: 0; display: grid; gap: 22px; }
.results-grid { grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); }
.results-list, .results-compact { grid-template-columns: 1fr; }

.card {
  height: 100%; overflow: hidden; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.card-link { display: block; height: 100%; color: inherit; text-decoration: none; }
.card-media { position: relative; aspect-ratio: 4 / 3; display: grid; place-items: center; background: var(--surface-2); }
/* The photo fills the frame (contained, never cropped), so a tall medal cannot stretch its card. */
.card-media img { position: absolute; inset: 14px; width: calc(100% - 28px); height: calc(100% - 28px); object-fit: contain; }
.placeholder { color: var(--muted); font: 600 .78rem/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; }
.card-body { padding: 16px 18px 20px; }
.card-title { font: 500 1.08rem/1.32 var(--serif); margin: 0 0 10px; }
.card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; margin: 0 0 8px; color: var(--muted); font-size: .8rem; }
.card-price { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; margin: 0 0 8px; }
.card-price .price { font-weight: 600; }

/* List layout: image beside text */
.results-list .card-link { display: grid; grid-template-columns: 220px 1fr; align-items: center; }
.results-list .card-media { aspect-ratio: 4 / 3; height: 100%; }
@media (max-width: 520px) { .results-list .card-link { grid-template-columns: 120px 1fr; } }

/* Compact layout: one dense row per item */
.results-compact { gap: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.results-compact li + li { border-top: 1px solid var(--line); }
.results-compact .card { border: 0; border-radius: 0; box-shadow: none; transform: none; background: transparent; }
.results-compact .card:hover { background: var(--surface-2); }
.results-compact .card-link { display: flex; align-items: center; gap: 16px; padding: 8px 16px; }
.results-compact .card-media { flex: none; width: 64px; aspect-ratio: 1; border-radius: 10px; }
.results-compact .card-media img { inset: 4px; width: calc(100% - 8px); height: calc(100% - 8px); }
.results-compact .card-body { flex: 1; min-width: 0; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 0; }
.results-compact .card-title { margin: 0; font-size: .98rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.results-compact .card-meta { margin: 0; flex: none; }
.results-compact .badges { display: none; }
.results-compact .card-price { flex: none; margin: 0; }

.pagination { display: flex; justify-content: center; align-items: center; gap: 24px; margin: 36px 0 8px; }
.pagination a { text-decoration: none; font-weight: 600; }
.pagination .disabled { color: var(--muted); opacity: .5; }

/* ---- Home ------------------------------------------------------------------ */
.hero {
  text-align: center; padding-block: clamp(48px, 9vw, 108px) clamp(40px, 6vw, 72px);
  background: radial-gradient(70% 90% at 50% 0%, var(--accent-soft), transparent 70%);
}
.hero h1 { font-size: clamp(2.4rem, 6.4vw, 4.4rem); font-weight: 400; letter-spacing: -.01em; }
.lede { margin: 16px auto 0; max-width: 46ch; color: var(--muted); font-size: 1.1rem; }

.block { margin-block: 60px; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 20px; }
.section-title { font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin-bottom: 20px; }
.section-head .section-title { margin-bottom: 0; }

.tiles { list-style: none; margin: 0; padding: 0; display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); }
.tiles-large { grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); }
.tile {
  display: block; overflow: hidden; color: inherit; text-decoration: none;
  background: var(--surface); border: 1px solid var(--line); border-radius: 20px; transition: transform .2s, box-shadow .2s;
}
.tile:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.tile-media { position: relative; display: block; aspect-ratio: 16 / 10; background: var(--surface-2); }
.tile-media img { position: absolute; inset: 16px; width: calc(100% - 32px); height: calc(100% - 32px); object-fit: contain; }
.tile-text { display: grid; gap: 2px; padding: 16px 20px 20px; }
.tile-text strong { font: 500 1.2rem var(--serif); }

.letter-group { margin-block: 8px; }
.letter { font: 400 2.2rem var(--serif); color: var(--accent); margin: 32px 0 6px; }
.country-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0 32px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.country-list a { display: flex; justify-content: space-between; padding: 11px 2px; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line); }
.country-list a:hover { color: var(--accent); }

/* ---- Item page ------------------------------------------------------------- */
.detail { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: clamp(24px, 5vw, 72px); margin-block: 20px 72px; align-items: start; }
@media (max-width: 860px) { .detail { grid-template-columns: 1fr; } }

.gallery-main {
  display: grid; place-items: center; width: 100%; padding: clamp(14px, 3vw, 36px);
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 22px; cursor: zoom-in;
}
.gallery-main img { max-height: 72vh; width: auto; border-radius: 4px; box-shadow: 0 12px 32px rgba(0, 0, 0, .18); }
.placeholder-block { min-height: 320px; cursor: default; }
.thumbs { display: flex; flex-wrap: wrap; gap: 12px; margin: 16px 0 0; padding: 0; list-style: none; }
.thumbs button {
  position: relative; width: 88px; height: 88px; padding: 0;
  background: var(--surface-2); border: 2px solid transparent; border-radius: 14px;
}
.thumbs button[aria-current="true"] { border-color: var(--accent); }
.thumbs img { position: absolute; inset: 6px; width: calc(100% - 12px); height: calc(100% - 12px); object-fit: contain; }

.info h1 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); margin-bottom: 16px; }
.info .badges { margin-bottom: 18px; }
.sale-box {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 16px; margin: 0 0 8px; padding: 16px 20px;
  background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line)); border-radius: 14px;
}
.sale-label { color: var(--accent); font: 600 .74rem/1.6 var(--sans); letter-spacing: .12em; text-transform: uppercase; }
.sale-box .price { font: 500 clamp(1.5rem, 3vw, 2rem)/1.2 var(--serif); }
.facts { margin: 22px 0; }
.facts > div { display: grid; grid-template-columns: 150px 1fr; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.facts dt { color: var(--muted); font: 600 .74rem/1.6 var(--sans); letter-spacing: .1em; text-transform: uppercase; }
.facts dd { margin: 0; overflow-wrap: anywhere; }
.description { max-width: 62ch; }
.in-collections h2 { font: 600 .74rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin: 26px 0 10px; }
.actions { margin-top: 26px; }
.related h2 { font-size: 1.6rem; margin-bottom: 20px; }

dialog#lightbox { position: fixed; inset: 0; width: 100%; height: 100%; max-width: none; max-height: none; padding: 0; border: 0; background: transparent; }
dialog#lightbox::backdrop { background: rgba(10, 9, 8, .9); }
dialog#lightbox img { position: absolute; inset: 0; margin: auto; max-width: 96vw; max-height: 94vh; width: auto; height: auto; background: #fff; border-radius: 6px; }
.lightbox-close { position: absolute; top: 16px; right: 16px; z-index: 1; }

/* ---- Footer ---------------------------------------------------------------- */
.site-footer { margin-top: 80px; padding-block: 32px; border-top: 1px solid var(--line); background: var(--surface); }
.site-footer .container { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}