/* Mel's Fabulous 50th — champagne-house luxury (Dom Pérignon × Cartier lane).
   Warm candlelit black, engraved gold, didone display. See DESIGN.md. */

:root {
  --bg:        oklch(0.125 0.01 75);   /* candlelit black */
  --surface:   oklch(0.165 0.012 75);
  --raised:    oklch(0.205 0.015 78);
  --ink:       oklch(0.95 0.008 85);   /* warm ivory */
  --muted:     oklch(0.73 0.02 85);
  --gold:      oklch(0.85 0.13 88);    /* champagne gold — highlights, numerals */
  --gold-deep: oklch(0.70 0.11 82);    /* engraved gold — hairlines, strokes */
  --gold-ink:  oklch(0.22 0.04 85);    /* text on gold fills */
  --line:      oklch(0.30 0.025 80);
  --hl:        oklch(0.85 0.13 88 / 0.10);  /* match highlight tint */
  --danger:    oklch(0.72 0.17 20);

  --font-ui: "Jost", "Century Gothic", system-ui, sans-serif;
  --font-display: "Bodoni Moda", "Didot", Georgia, serif;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);

  --radius: 14px;
  --z-sticky: 10;
  --z-float: 20;
}

* { margin: 0; box-sizing: border-box; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 1.0625rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

main, .masthead-inner, .footer {
  max-width: 42rem;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* ---------- Masthead: the one orchestrated entrance ---------- */

.masthead {
  position: relative;
  overflow: hidden;
  text-align: center;
  /* candle glow falling from above */
  background:
    radial-gradient(120% 90% at 50% -30%, oklch(0.85 0.13 88 / 0.10), transparent 60%),
    var(--bg);
}

.masthead-inner { position: relative; z-index: 2; padding-top: 3rem; }

#bubbles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* champagne light-beam sweep, once, after the type settles */
.beam {
  position: absolute;
  top: -20%;
  bottom: -20%;
  left: 0;
  width: 34%;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(100deg, transparent, oklch(0.9 0.1 90 / 0.07) 45%, oklch(0.95 0.06 90 / 0.12) 50%, oklch(0.9 0.1 90 / 0.07) 55%, transparent);
  transform: translateX(-140%) skewX(-12deg);
  animation: beam-sweep 1.6s var(--ease-out) 1.15s forwards;
}
@keyframes beam-sweep {
  to { transform: translateX(420%) skewX(-12deg); }
}

@keyframes rise-in {
  from { opacity: 0; transform: translateY(22px); filter: blur(7px); }
  to   { opacity: 1; transform: none; filter: none; }
}

.masthead-host {
  color: var(--gold-deep);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.42em;
  text-indent: 0.42em; /* re-center tracked caps */
  text-transform: uppercase;
  animation: rise-in 0.7s var(--ease-expo) 0.1s both;
}

.masthead-title {
  font-family: var(--font-display);
  font-weight: 460;
  font-size: clamp(2.875rem, 10.5vw, 4.375rem);
  line-height: 1.04;
  letter-spacing: 0.005em;
  text-wrap: balance;
  margin-top: 0.75rem;
}
.masthead-title .t1 { display: inline-block; animation: rise-in 0.8s var(--ease-expo) 0.28s both; }
.masthead-title .fifty {
  display: inline-block;
  color: var(--gold);
  font-style: italic;
  font-weight: 420;
  animation: rise-in 0.8s var(--ease-expo) 0.46s both;
}

/* gold ornament: hairline — diamond — hairline */
.ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.875rem;
  margin-top: 1.375rem;
  animation: rise-in 0.7s var(--ease-expo) 0.66s both;
}
.ornament::before, .ornament::after {
  content: "";
  height: 1px;
  width: clamp(3rem, 14vw, 5.5rem);
  background: linear-gradient(to var(--dir, right), transparent, var(--gold-deep));
}
.ornament::before { --dir: right; }
.ornament::after { --dir: left; }
.ornament .gem {
  width: 7px;
  height: 7px;
  background: var(--gold);
  transform: rotate(45deg);
}

/* ---------- Tabs ---------- */

.tabs {
  display: flex;
  justify-content: center;
  gap: 0.625rem;
  margin-top: 1.625rem;
  padding-bottom: 0.5rem;
  animation: rise-in 0.7s var(--ease-expo) 0.8s both;
}

.tab {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.6875rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: color 200ms var(--ease-out), background-color 200ms var(--ease-out), border-color 200ms var(--ease-out);
}
.tab:hover { color: var(--gold); border-color: var(--line); }
.tab[aria-current="page"] {
  color: var(--gold-ink);
  background: var(--gold);
  font-weight: 600;
}

/* ---------- View transitions ---------- */

@keyframes view-in {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}
.view-enter { animation: view-in 0.4s var(--ease-expo) both; }

/* ---------- Search ---------- */

.search-wrap {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  padding-block: 0.875rem 0.5rem;
  background: color-mix(in oklab, var(--bg) 86%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.search-field {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  height: 3.5rem;
  padding-inline: 1.125rem;
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 250ms var(--ease-out), box-shadow 250ms var(--ease-out);
}
.search-field:focus-within {
  border-color: var(--gold-deep);
  box-shadow: 0 0 0 3px oklch(0.85 0.13 88 / 0.18), 0 0 24px oklch(0.85 0.13 88 / 0.10);
}

.search-icon { width: 1.25rem; height: 1.25rem; color: var(--muted); flex: none; }

#search {
  flex: 1;
  min-width: 0;
  background: none;
  border: none;
  color: var(--ink);
  font: inherit;
  font-size: 1.0625rem;
}
#search:focus { outline: none; }
#search::placeholder { color: var(--muted); }
#search::-webkit-search-cancel-button { display: none; }

.clear-btn {
  flex: none;
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border: none;
  border-radius: 50%;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  transition: color 150ms var(--ease-out), transform 150ms var(--ease-out);
}
.clear-btn:hover { color: var(--ink); }
.clear-btn:active { transform: scale(0.92); }
.clear-btn svg { width: 0.875rem; height: 0.875rem; }

.result-count {
  color: var(--muted);
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  padding: 0.375rem 0.25rem 0;
  min-height: 1.6em;
}
.result-count strong { color: var(--gold); font-weight: 600; }

/* ---------- Table filter chips ---------- */

.chips {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-block: 0.375rem 0.75rem;
  scrollbar-width: none;
}
.chips::-webkit-scrollbar { display: none; }

.chip {
  flex: none;
  height: 2.75rem;
  min-width: 2.75rem;
  padding-inline: 0.9375rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 180ms var(--ease-out), border-color 180ms var(--ease-out), transform 120ms var(--ease-out);
}
.chip:hover { border-color: var(--gold-deep); }
.chip:active { transform: scale(0.95); }
.chip[aria-pressed="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--gold-ink);
  font-weight: 600;
}
.chip:focus-visible,
.tab:focus-visible,
.btn:focus-visible,
.clear-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ---------- Floor plan ---------- */

.floorplan-wrap { margin: 0.5rem 0 1.875rem; }

#floorplan {
  display: block;
  width: 100%;
  height: auto;
  background:
    radial-gradient(90% 70% at 50% 0%, oklch(0.85 0.13 88 / 0.05), transparent 55%),
    var(--surface);
  border: 1px solid var(--line);
  outline: 1px solid oklch(0.70 0.11 82 / 0.28);
  outline-offset: 4px;
  border-radius: var(--radius);
}
.floorplan-wrap { padding: 5px; } /* room for the engraved outer keyline */

.fp-label {
  fill: var(--muted);
  font-family: var(--font-ui);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.22em;
}

.fp-stage { fill: var(--raised); stroke: var(--gold-deep); stroke-opacity: 0.45; }
.fp-room { fill: var(--surface); stroke: var(--line); }

@keyframes table-in {
  from { opacity: 0; transform: scale(0.6); }
  to   { opacity: 1; transform: scale(1); }
}
.fp-table {
  cursor: pointer;
  transform-box: fill-box;
  transform-origin: center;
  animation: table-in 0.55s var(--ease-expo) both;
  animation-delay: calc(var(--i, 0) * 45ms + 0.35s);
}
.fp-table circle.disc {
  fill: var(--raised);
  stroke: oklch(0.70 0.11 82 / 0.5);
  stroke-width: 1.2;
  transition: fill 220ms var(--ease-out), stroke 220ms var(--ease-out);
}
.fp-table text {
  fill: var(--gold);
  /* UI sans, not the didone: Bodoni hairlines vanish at this size and "4" reads as "1" */
  font-family: var(--font-ui);
  font-size: 19px;
  font-weight: 600;
  text-anchor: middle;
  pointer-events: none;
  transition: fill 220ms var(--ease-out);
}
.fp-table:hover circle.disc { stroke: var(--gold); }

.fp-table .halo {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.5;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
}
.fp-table.is-on circle.disc {
  fill: var(--gold);
  stroke: var(--gold);
}
.fp-table.is-on text { fill: var(--gold-ink); }
.fp-table.is-on .halo { animation: halo 1.5s var(--ease-out) 2; }
@keyframes halo {
  from { opacity: 0.75; transform: scale(1); }
  to   { opacity: 0; transform: scale(1.5); }
}

.fp-table.is-dim circle.disc { fill: var(--surface); stroke: var(--line); }
.fp-table.is-dim text { fill: var(--line); }

.fp-table:focus-visible { outline: none; }
.fp-table:focus-visible circle.disc {
  stroke: var(--gold);
  stroke-width: 3;
}

.floorplan-note {
  color: var(--muted);
  font-size: 0.8125rem;
  text-align: center;
  margin-top: 0.625rem;
  padding-inline: 1rem;
}

/* ---------- Table cards ---------- */

.table-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 0.625rem;
  margin-bottom: 0.9375rem;
  scroll-margin-top: 6.5rem;
}

/* scroll reveal (observer adds .is-in; sibling stagger via --i, capped in JS) */
.table-card.reveal {
  opacity: 0;
  transform: translateY(18px);
}
.table-card.reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.55s var(--ease-expo), transform 0.55s var(--ease-expo);
  transition-delay: calc(var(--i, 0) * 60ms);
}

/* quick re-entry when a filter/search brings a card back */
@keyframes card-pop {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}
.table-card.pop { animation: card-pop 0.3s var(--ease-out) both; }

.table-head {
  display: flex;
  align-items: center;
  gap: 0.9375rem;
  padding-bottom: 0.8125rem;
  border-bottom: 1px solid var(--line);
}

.table-num {
  flex: none;
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  background: var(--gold);
  color: var(--gold-ink);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 1.4375rem;
  font-weight: 500;
  box-shadow: 0 0 18px oklch(0.85 0.13 88 / 0.22);
}

.table-title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1.2;
}
.table-meta {
  color: var(--muted);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 0.1875rem;
}

.table-flags { display: flex; flex-wrap: wrap; gap: 0.375rem; margin-left: auto; align-self: flex-start; }
.flag {
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  padding: 0.1875rem 0.5625rem;
  white-space: nowrap;
}

.guest-list { list-style: none; padding: 0; }

.guest {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.6875rem 0.4375rem;
  border-radius: 8px;
  transition: background-color 250ms var(--ease-out);
}
.guest + .guest { border-top: 1px solid color-mix(in oklab, var(--line) 45%, transparent); }

.guest-name { min-width: 0; overflow-wrap: anywhere; }

.pax {
  flex: none;
  color: var(--muted);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
}

.guest.is-hit { background: var(--hl); }
.guest.is-hit .guest-name { color: var(--gold); font-weight: 500; }

mark {
  background: none;
  color: var(--gold);
  font-weight: 600;
}

/* ---------- Empty state ---------- */

.empty-state { text-align: center; padding: 3rem 1.5rem; }
.empty-title { font-family: var(--font-display); font-size: 1.625rem; font-weight: 500; }
.empty-hint { color: var(--muted); margin-top: 0.625rem; max-width: 34ch; margin-inline: auto; }

/* ---------- Share view ---------- */

.share-card {
  text-align: center;
  padding: 2rem 1rem 1rem;
}

.share-lede {
  font-family: var(--font-display);
  font-size: 1.875rem;
  font-weight: 500;
  font-style: italic;
  color: var(--gold);
  text-wrap: balance;
}

.qr-frame {
  display: inline-block;
  background: oklch(0.985 0.004 90);
  border: 1px solid var(--gold);
  outline: 1px solid oklch(0.70 0.11 82 / 0.4);
  outline-offset: 5px;
  border-radius: 4px;
  padding: 1.375rem;
  margin-top: 1.75rem;
  font-size: 0;   /* kill inline-img baseline gap */
  box-shadow: 0 0 44px oklch(0.85 0.13 88 / 0.14);
}
.qr-frame img { width: min(64vw, 258px); height: auto; }

.share-url {
  margin-top: 1.375rem;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.14em;
}

.share-actions {
  display: flex;
  justify-content: center;
  gap: 0.625rem;
  margin-top: 1.375rem;
}

.btn {
  font: inherit;
  font-weight: 500;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--ink);
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.8125rem 1.5rem;
  cursor: pointer;
  transition: background-color 180ms var(--ease-out), border-color 180ms var(--ease-out), transform 120ms var(--ease-out), box-shadow 180ms var(--ease-out);
}
.btn:hover { border-color: var(--gold-deep); }
.btn:active { transform: scale(0.96); }
.btn-primary {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--gold-ink);
  font-weight: 600;
}
.btn-primary:hover { box-shadow: 0 0 22px oklch(0.85 0.13 88 / 0.3); }

.share-export { margin-top: 1.75rem; }
.share-export-label {
  color: var(--gold-deep);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-indent: 0.32em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.share-export .share-actions { margin-top: 0; }
.btn-mini { padding: 0.625rem 1.125rem; font-size: 0.75rem; }
.btn-mini[disabled] { opacity: 0.5; cursor: wait; }

.share-hint {
  color: var(--muted);
  font-size: 0.9375rem;
  max-width: 36ch;
  margin: 1.625rem auto 0;
}

/* ---------- Floating reset ---------- */

@keyframes fab-in {
  from { opacity: 0; transform: translate(-50%, 14px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

.reset-fab {
  position: fixed;
  left: 50%;
  bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  z-index: var(--z-float);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font: inherit;
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--gold-ink);
  background: var(--gold);
  border: none;
  border-radius: 999px;
  padding: 0.9375rem 1.625rem;
  cursor: pointer;
  box-shadow: 0 6px 28px oklch(0 0 0 / 0.45), 0 0 24px oklch(0.85 0.13 88 / 0.28);
  animation: fab-in 0.35s var(--ease-expo) both;
  transition: transform 120ms var(--ease-out), box-shadow 180ms var(--ease-out);
}
.reset-fab:hover { box-shadow: 0 6px 28px oklch(0 0 0 / 0.45), 0 0 34px oklch(0.85 0.13 88 / 0.4); }
.reset-fab:active { transform: translateX(-50%) scale(0.95); }
.reset-fab:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.reset-fab svg { width: 0.8125rem; height: 0.8125rem; }

/* ---------- Footer ---------- */

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  padding-block: 2.75rem 3.25rem;
}

/* ---------- Wider screens ---------- */

@media (min-width: 40rem) {
  .masthead-inner { padding-top: 4rem; }
  .table-card { padding: 1.375rem 1.5rem 0.75rem; }
}

/* ---------- Admin ---------- */

.admin-title { font-size: clamp(2.25rem, 8vw, 3rem); }

.login-card {
  max-width: 22rem;
  margin: 2rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.login-label { color: var(--muted); font-size: 0.9375rem; }
.login-card .search-field { padding-inline: 1rem; }
.login-card input { flex: 1; min-width: 0; background: none; border: none; color: var(--ink); font: inherit; }
.login-card input:focus { outline: none; }
.login-btn { align-self: flex-start; }
.login-error { color: var(--danger); font-size: 0.9375rem; }

.admin-toolbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-block: 0.875rem 0.5rem;
  background: color-mix(in oklab, var(--bg) 86%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.admin-toolbar-actions { display: flex; gap: 0.5rem; }

.save-status { min-height: 1.5em; font-size: 0.9375rem; color: var(--gold); padding-bottom: 0.75rem; }
.save-status.is-error { color: var(--danger); }

.admin-titles { flex: 1; display: flex; flex-direction: column; gap: 0.5rem; min-width: 0; }

.admin-input {
  font: inherit;
  color: var(--ink);
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.5rem 0.625rem;
  min-height: 2.75rem;
  transition: border-color 180ms var(--ease-out);
}
.admin-input:focus-visible { outline: 2px solid var(--gold); outline-offset: 1px; border-color: var(--gold-deep); }
.admin-name { font-weight: 500; }
.admin-flags { font-size: 0.875rem; color: var(--muted); }
.admin-flags::placeholder, .admin-guest-name::placeholder { color: var(--muted); }

.admin-guest {
  display: grid;
  grid-template-columns: 1fr 4.25rem auto 2.75rem;
  gap: 0.5rem;
  align-items: center;
  padding: 0.5rem 0;
}
.admin-guest-name { min-width: 0; }
.admin-pax { text-align: center; }
.admin-move { max-width: 8rem; }

.del-btn {
  height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  font: inherit;
  cursor: pointer;
  transition: color 150ms var(--ease-out), border-color 150ms var(--ease-out);
}
.del-btn:hover { color: var(--danger); border-color: var(--danger); }
.del-btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

.add-btn { margin: 0.375rem 0 0.75rem; font-size: 0.75rem; padding: 0.5625rem 1rem; }

.admin-hint { color: var(--muted); font-size: 0.875rem; max-width: 60ch; margin-top: 1rem; }

.footer-link { color: var(--muted); }
.footer-link:hover { color: var(--ink); }

@media (max-width: 26rem) {
  .admin-guest { grid-template-columns: 1fr 3.5rem; }
  .admin-move { max-width: none; }
  .admin-guest .admin-move { grid-column: 1; }
  .admin-guest .del-btn { grid-column: 2; }
}