:root {
  --theme: #7a1f3d;                 /* event colour; set from the event after the code is accepted */
  --gold: #e3b257;
  --gold-light: #fbe7a8;
  --gold-deep: #a9761c;
  --cream: #f8ecd0;
  --cream-dim: #dcc79d;
  --paper: #fffaf0;
  --ink: #2c1a1f;
  --ink-soft: #6d5a5e;
  --line: #e7dcc3;
  --display: 'Cormorant Garamond', 'Didot', 'Bodoni 72', 'Bodoni MT', 'Playfair Display', 'Noto Serif Display', 'Hoefler Text', Georgia, serif;
  --text: 'Cormorant Garamond', 'Hoefler Text', 'Baskerville', 'Noto Serif', Georgia, 'Times New Roman', serif;
}
* { box-sizing: border-box; }
html { background: #14060c; }
body { margin: 0; color: var(--cream); font: 18px/1.5 var(--text); -webkit-font-smoothing: antialiased; }

/* The poster: night sky in the event colour, warm light rising from the lamps. */
.scene {
  position: relative; max-width: 480px; min-height: 100vh; min-height: 100svh; margin: 0 auto; overflow: hidden;
  display: flex; flex-direction: column;
  background:
    radial-gradient(120% 46% at 50% 100%, rgba(255, 176, 66, .42), rgba(255, 176, 66, 0) 70%),
    radial-gradient(90% 40% at 50% 0%, rgba(255, 226, 150, .16), rgba(255, 226, 150, 0) 75%),
    linear-gradient(180deg,
      color-mix(in srgb, var(--theme) 78%, #000) 0%,
      color-mix(in srgb, var(--theme) 52%, #12050b) 55%,
      color-mix(in srgb, var(--theme) 30%, #0c0306) 100%);
  box-shadow: 0 0 80px rgba(0, 0, 0, .6);
}
.decor { display: block; width: 100%; height: auto; pointer-events: none; }
.decor.top { position: absolute; inset: 0 0 auto 0; }
.decor.bottom { margin-top: auto; flex: none; }
.content { position: relative; flex: none; padding: min(33vw, 158px) 34px 8px; text-align: center; }

/* Type */
.eyebrow { margin: 0; font-size: 12.5px; letter-spacing: .3em; text-transform: uppercase; color: var(--cream-dim); }
.eyebrow.wide { letter-spacing: .38em; }
.eyebrow.strong { color: var(--cream); font-size: 11.5px; letter-spacing: .15em; font-weight: 600; white-space: nowrap; }
.gold {
  background: linear-gradient(180deg, var(--gold-light) 0%, var(--gold) 52%, var(--gold-deep) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 2px 10px rgba(0, 0, 0, .35));
}
.display { margin: 10px 0 12px; font: 500 clamp(56px, 18.5vw, 88px)/1 var(--display); letter-spacing: -.02em; }
.title { margin: 8px 0 4px; font: 500 clamp(34px, 10.5vw, 46px)/1.12 var(--display); overflow-wrap: anywhere; text-wrap: balance; }
.greeting { margin: 4px 0 18px; font-style: italic; font-size: 20px; overflow-wrap: anywhere; }
.help { margin: 0; font-style: italic; color: var(--cream-dim); font-size: 17px; }
.rule { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 12px auto; color: var(--gold); font-size: 12px; }
.rule::before, .rule::after { content: ''; width: 54px; height: 1px; background: linear-gradient(90deg, transparent, var(--gold)); }
.rule::after { transform: scaleX(-1); }

/* Reference code */
#codeForm { margin: 18px auto 0; max-width: 320px; }
.codeBox {
  display: flex; align-items: center; height: 54px; padding: 0 18px; border-radius: 999px;
  background: rgba(255, 244, 214, .1); border: 1.5px solid var(--gold);
  box-shadow: inset 0 0 0 3px rgba(227, 178, 87, .14), 0 6px 22px rgba(0, 0, 0, .28);
}
.codeBox svg { width: 20px; height: 20px; flex: none; fill: var(--gold); }
.codeBox input {
  flex: 1; min-width: 0; height: 100%; margin-left: 12px; padding: 0 0 0 14px; border: 0; border-left: 1px solid rgba(227, 178, 87, .5);
  background: transparent; color: var(--cream); font: 600 19px var(--text); letter-spacing: .18em; text-transform: uppercase; outline: 0;
}
.codeBox input::placeholder { color: var(--cream-dim); font-weight: 400; font-style: italic; letter-spacing: .02em; text-transform: none; opacity: .9; }
.codeBox:focus-within { box-shadow: 0 0 0 3px rgba(251, 231, 168, .45), 0 6px 22px rgba(0, 0, 0, .28); }
.enter {
  width: 100%; height: 54px; margin-top: 18px; border: 1.5px solid var(--gold-light); border-radius: 14px; cursor: pointer;
  font: 600 17px var(--text); letter-spacing: .42em; text-transform: uppercase; color: #3b1420;
  background: linear-gradient(180deg, #fbe7a8 0%, #e3b257 55%, #b8862b 100%);
  box-shadow: 0 0 0 3px rgba(227, 178, 87, .25), 0 10px 26px rgba(0, 0, 0, .4);
  display: flex; align-items: center; justify-content: center; gap: 14px;
}
.enter::before, .enter::after { content: '❖'; font-size: 13px; letter-spacing: 0; opacity: .75; }
.enter span { margin-right: -.42em; }
.enter:disabled { opacity: .65; cursor: default; }
.enter:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.error { margin: 14px 0 0; color: #ffc2b5; font-size: 17px; }

/* Event details: a paper card so the form is easy to read */
.paper {
  text-align: left; color: var(--ink); background: var(--paper); border-radius: 16px; padding: 20px 20px 22px;
  border: 1px solid var(--gold); box-shadow: 0 0 0 4px rgba(227, 178, 87, .22), 0 18px 40px rgba(0, 0, 0, .45);
}
.facts { margin: 0; padding: 0 0 12px; border-bottom: 1px solid var(--line); }
.facts div { display: flex; gap: 12px; padding: 5px 0; }
.facts dt { flex: 0 0 62px; padding-top: 5px; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft); }
.facts dd { margin: 0; flex: 1; font-size: 19px; overflow-wrap: anywhere; }
.details { margin: 14px 0 0; white-space: pre-line; overflow-wrap: anywhere; }
.paper h2 { margin: 20px 0 2px; font: 600 25px var(--display); color: var(--theme); }
.paper .muted { margin: 4px 0 12px; color: var(--ink-soft); font-size: 16px; }
.paper a { color: var(--theme); }
.paper label { display: block; margin: 14px 0 5px; font-size: 16px; color: var(--ink-soft); }
.paper select, .paper textarea {
  width: 100%; padding: 12px; font: 18px var(--text); color: var(--ink); background: #fff; border: 1px solid #cdbf9f; border-radius: 10px;
}
.paper select:focus-visible, .paper textarea:focus-visible, .paper button:focus-visible, .choice input:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--theme) 45%, white); outline-offset: 1px;
}
.paper button {
  width: 100%; margin-top: 18px; padding: 14px 16px; font: 600 18px var(--text); letter-spacing: .06em; color: #fff7e2;
  background: var(--theme); border: 0; border-radius: 12px; cursor: pointer;
}
.paper button:disabled { opacity: .6; cursor: default; }
.paper button.ghost { margin-top: 12px; background: transparent; color: var(--theme); border: 1px solid var(--theme); }
.choice { display: grid; gap: 8px; margin-top: 10px; }
.choice label {
  display: flex; align-items: center; gap: 10px; margin: 0; padding: 12px; color: var(--ink); font-size: 18px;
  border: 1px solid #cdbf9f; border-radius: 10px; background: #fff; cursor: pointer;
}
.choice label:has(input:checked) { border-color: var(--theme); box-shadow: inset 0 0 0 1px var(--theme); }
.choice input { width: 18px; height: 18px; accent-color: var(--theme); }
.answer { margin-top: 16px; padding: 16px; border-radius: 12px; text-align: center; background: color-mix(in srgb, var(--theme) 9%, white); }
.answer p { margin: 0; overflow-wrap: anywhere; }
.error.inPaper { color: #a3271c; }

/* Lamps */
.flame { transform-box: fill-box; transform-origin: 50% 100%; animation: flicker 1.7s ease-in-out infinite alternate; }
.glow { animation: glow 2.3s ease-in-out infinite alternate; }
.d1 { animation-delay: -.4s; } .d2 { animation-delay: -.9s; } .d3 { animation-delay: -1.3s; } .d4 { animation-delay: -.2s; }
.burst { opacity: .3; }
.star { opacity: .55; animation: glow 3.1s ease-in-out infinite alternate; }
@keyframes flicker {
  0% { transform: scale(1, 1) rotate(-2deg); }
  40% { transform: scale(.94, 1.07) rotate(2deg); }
  100% { transform: scale(1.04, .95) rotate(-1deg); }
}
@keyframes glow { from { opacity: .55; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .flame, .glow, .star { animation: none; } }

.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
[hidden] { display: none !important; }