:root {
  --night: #0f1d2b;
  --night-2: #172a3d;
  --crimson: #7a1424;
  --crimson-deep: #540c18;
  --evergreen: #1f4a37;
  --evergreen-deep: #133025;
  --gold: #d9ad55;
  --gold-soft: #f1dba0;
  --parchment: #f7efdc;
  --parchment-2: #ecdfc0;
  --ink: #2b1d14;
  --muted: #b9c2cc;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  min-height: 100vh;
  background: var(--night);
  color: var(--parchment);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 18px;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

/* Fixed sky layer (background-attachment: fixed is unreliable on iOS Safari) */
body::before {
  content: "";
  position: fixed; inset: 0;
  z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse at 50% -10%, rgba(241, 219, 160, .22), transparent 55%),
    linear-gradient(180deg, var(--night) 0%, var(--night-2) 70%, #1b2a22 100%);
}

/* Gentle falling snow made from layered radial gradients */
.snow {
  position: fixed; inset: -250px 0 0 0;
  pointer-events: none; z-index: 0;
  background-image:
    radial-gradient(2px 2px at 20px 30px, #fff, transparent),
    radial-gradient(2px 2px at 140px 80px, rgba(255,255,255,.8), transparent),
    radial-gradient(1.5px 1.5px at 60px 150px, #fff, transparent),
    radial-gradient(2.5px 2.5px at 200px 200px, rgba(255,255,255,.7), transparent),
    radial-gradient(1.5px 1.5px at 260px 40px, #fff, transparent);
  background-size: 300px 250px;
  opacity: .5;
  animation: snowfall 22s linear infinite;
}
@keyframes snowfall { to { transform: translateY(250px); } }

header, main, footer, .sim-banner { position: relative; z-index: 1; }

.masthead {
  text-align: center;
  padding: 48px 16px 24px;
}
.star {
  width: 72px; height: 72px;
  filter: drop-shadow(0 0 18px rgba(241, 219, 160, .7));
  animation: shimmer 4s ease-in-out infinite;
}
@keyframes shimmer {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 14px rgba(241,219,160,.55)); }
  50% { transform: scale(1.06); filter: drop-shadow(0 0 26px rgba(241,219,160,.9)); }
}
.eyebrow {
  font-family: "IM Fell English SC", Georgia, serif;
  letter-spacing: .2em;
  color: var(--gold);
  margin: 12px 0 0;
  font-size: 15px;
}
h1 {
  font-family: "IM Fell English SC", Georgia, serif;
  font-weight: normal;
  font-size: clamp(38px, 8vw, 68px);
  line-height: 1.05;
  margin: 6px 0 12px;
  color: var(--gold-soft);
  text-shadow: 0 2px 20px rgba(217, 173, 85, .35);
}
.verse {
  font-style: italic;
  max-width: 560px;
  margin: 0 auto;
  color: var(--parchment-2);
}
.verse span, .footer span { font-style: normal; color: var(--gold); white-space: nowrap; }
.status {
  margin: 18px auto 0;
  font-size: 20px;
  color: var(--gold-soft);
  min-height: 1.5em;
}

.sim-banner {
  max-width: 720px;
  margin: 0 16px 16px;
  padding: 10px 16px;
  border: 1px dashed var(--gold);
  border-radius: 8px;
  background: rgba(84, 12, 24, .55);
  text-align: center;
  font-size: 16px;
}
.sim-banner a { color: var(--gold-soft); }
@media (min-width: 752px) { .sim-banner { margin: 0 auto 16px; } }
.sim-banner[hidden] { display: none; }

/* ---------- Calendar grid ---------- */
main { padding: 0 16px 32px; }

.calendar {
  list-style: none;
  margin: 0 auto;
  padding: 24px;
  max-width: 980px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
  border: 2px solid rgba(217, 173, 85, .5);
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(31,74,55,.92), rgba(19,48,37,.95));
  box-shadow: 0 24px 60px rgba(0,0,0,.45), inset 0 0 0 6px rgba(19,48,37,.9), inset 0 0 0 7px rgba(217,173,85,.35);
}

.door {
  position: relative;
  aspect-ratio: 1 / 1.1;
  width: 100%;
  border: none;
  padding: 0;
  cursor: pointer;
  border-radius: 10px;
  font: inherit;
  color: inherit;
  perspective: 700px;
  background: transparent;
  display: block;
}
.calendar li { display: block; min-width: 0; }
.door:focus-visible { outline: 3px solid var(--gold-soft); outline-offset: 3px; }

.door .face {
  position: absolute; inset: 0;
  border-radius: 10px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 4px;
  transition: transform .5s ease, box-shadow .3s ease;
}
.door .num {
  font-family: "IM Fell English SC", Georgia, serif;
  font-size: 46px;
  line-height: 1;
}
.door .label {
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

/* Future: closed and sealed */
.door.future { cursor: not-allowed; }
.door.future .face {
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,.03) 0 6px, transparent 6px 12px),
    linear-gradient(160deg, var(--crimson), var(--crimson-deep));
  border: 1px solid rgba(217,173,85,.35);
  color: rgba(241,219,160,.55);
  box-shadow: inset 0 0 18px rgba(0,0,0,.35);
}

/* Today: glowing, inviting */
.door.today .face {
  background:
    radial-gradient(circle at 50% 35%, rgba(255,246,213,.35), transparent 60%),
    linear-gradient(160deg, #a51d33, var(--crimson));
  border: 2px solid var(--gold);
  color: var(--gold-soft);
  box-shadow: 0 0 0 4px rgba(217,173,85,.18), 0 0 32px rgba(241,219,160,.55);
  animation: beckon 2.6s ease-in-out infinite;
}
@keyframes beckon {
  0%, 100% { box-shadow: 0 0 0 4px rgba(217,173,85,.18), 0 0 22px rgba(241,219,160,.4); }
  50% { box-shadow: 0 0 0 6px rgba(217,173,85,.28), 0 0 42px rgba(241,219,160,.75); }
}
@media (hover: hover) {
  .door.today:hover .face { transform: rotateY(-14deg); }
  .door.past:hover .face { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,0,0,.35); }
}

/* Past: opened, parchment within */
.door.past .face {
  background:
    radial-gradient(circle at 50% 0%, rgba(255,255,255,.6), transparent 70%),
    linear-gradient(180deg, var(--parchment), var(--parchment-2));
  color: var(--ink);
  border: 1px solid var(--gold);
  box-shadow: inset 0 2px 10px rgba(122,20,36,.18);
}
.door.past .num { color: var(--crimson); }
.door.past .label { color: var(--evergreen); }

/* Christmas Day stands out */
.calendar li.christmas-cell { grid-column: 1 / -1; }
.door.christmas { aspect-ratio: auto; min-height: 150px; }
.door.christmas .num { font-size: 56px; }
.door.christmas .num::before { content: "✶ "; color: var(--gold); }
.door.christmas .num::after { content: " ✶"; color: var(--gold); }

.footer {
  text-align: center;
  padding: 8px 16px 48px;
  font-style: italic;
  color: var(--parchment-2);
}

/* ---------- Dialog ---------- */
.door-dialog {
  border: none;
  padding: 0;
  width: min(560px, calc(100vw - 32px));
  max-height: calc(100dvh - 32px);
  overflow: auto;
  border-radius: 14px;
  background: transparent;
  color: var(--ink);
}
.door-dialog::backdrop { background: rgba(8, 14, 22, .75); backdrop-filter: blur(3px); }
.door-dialog[open] { animation: rise .35s ease; }
@keyframes rise { from { opacity: 0; transform: translateY(16px) scale(.97); } }

.dialog-inner {
  position: relative;
  padding: 40px 32px 24px;
  text-align: center;
  border-radius: 14px;
  background:
    radial-gradient(circle at 50% 0%, #fffaf0, transparent 70%),
    linear-gradient(180deg, var(--parchment), var(--parchment-2));
  border: 2px solid var(--gold);
  box-shadow: inset 0 0 0 6px var(--parchment), inset 0 0 0 7px rgba(122,20,36,.35);
}
.close {
  position: absolute; top: 4px; right: 6px;
  width: 44px; height: 44px;
  border: none; background: none;
  font-size: 30px; line-height: 1;
  color: var(--crimson); cursor: pointer;
}
.dialog-day {
  font-family: "IM Fell English SC", Georgia, serif;
  color: var(--crimson);
  font-size: 26px;
  margin: 0 0 16px;
}
.dialog-day::after {
  content: "";
  display: block;
  width: 120px; height: 1px;
  margin: 10px auto 0;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.dialog-hint {
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 24px;
}
.reveal {
  font: inherit;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: .04em;
  padding: 10px 26px;
  border-radius: 999px;
  border: 1px solid var(--gold);
  color: var(--gold-soft);
  background: linear-gradient(160deg, var(--evergreen), var(--evergreen-deep));
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
}
.reveal:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(19,48,37,.35); }
.reveal[hidden] { display: none; }
.dialog-answer {
  font-size: 22px;
  font-style: italic;
  color: var(--evergreen-deep);
  margin: 0;
  padding: 14px 8px;
  border-top: 1px solid rgba(122,20,36,.25);
  border-bottom: 1px solid rgba(122,20,36,.25);
  animation: fadein .6s ease;
}
.dialog-answer[hidden] { display: none; }
@keyframes fadein { from { opacity: 0; transform: translateY(-4px); } }

.dialog-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 28px;
}
.dialog-nav button {
  font: inherit;
  font-size: 16px;
  background: none;
  border: none;
  color: var(--crimson);
  cursor: pointer;
  padding: 10px 8px;
  min-height: 44px;
}
.dialog-nav button:disabled { visibility: hidden; }

@media (max-width: 520px) {
  body { font-size: 17px; }
  .calendar { padding: 14px; gap: 10px; grid-template-columns: repeat(3, 1fr); }
  .door .num { font-size: 34px; }
  .door .label { font-size: 11px; letter-spacing: .06em; }
  .door.christmas { min-height: 120px; }
  .door.christmas .num { font-size: 42px; }
  .dialog-inner { padding: 36px 20px 20px; }
  .dialog-hint { font-size: 21px; }
}

/* Short laptop screens: tighten the header so today's door sits closer to the fold */
@media (max-height: 800px) and (min-width: 521px) {
  .masthead { padding-top: 24px; padding-bottom: 16px; }
  .star { width: 56px; height: 56px; }
  h1 { font-size: clamp(38px, 6vw, 58px); }
}

/* Phones in landscape: compact dialog so it fits without scrolling */
@media (max-height: 500px) {
  .dialog-inner { padding: 20px 28px 8px; }
  .dialog-day { font-size: 22px; margin-bottom: 8px; }
  .dialog-hint { font-size: 20px; margin-bottom: 14px; }
  .dialog-answer { font-size: 19px; padding: 8px; }
  .dialog-nav { margin-top: 6px; }
}

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