:root {
  color-scheme: dark;
  --ink: #35190d;
  --cream: #f6dfb5;
  --paper: #bc9563;
  --paper-light: #cfab77;
  --wood: #4f321f;
  --wood-dark: #25150d;
  --orange: #df7a34;
  --red: #b73432;
  --green: #42693a;
  --shadow: rgba(25, 12, 5, 0.42);
  font-family: Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--cream);
  background:
    radial-gradient(circle at 50% 115%, rgba(183, 52, 50, 0.28), transparent 22rem),
    linear-gradient(180deg, #2b1a11 0%, #120b07 100%);
}

button {
  font: inherit;
}

.page-shell {
  width: min(1120px, calc(100% - 24px));
  margin: 0 auto;
  padding: 24px 0;
}

.calendar-board {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 48px);
  padding: 22px 24px 122px;
  border: 10px solid #2a160d;
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.05), transparent 12%, rgba(0, 0, 0, 0.14) 28%, transparent 42%, rgba(255, 255, 255, 0.04) 58%, transparent 72%, rgba(0, 0, 0, 0.18)),
    repeating-linear-gradient(0deg, #583620 0 58px, #482c1c 58px 65px, #6a4328 65px 118px, #382215 118px 126px);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.5), inset 0 0 42px rgba(0, 0, 0, 0.34);
}

.calendar-board::after {
  content: "";
  position: absolute;
  left: -5%;
  right: -5%;
  bottom: -26px;
  height: 130px;
  background:
    radial-gradient(circle at 9% 52%, #c62929 0 16px, transparent 17px),
    radial-gradient(circle at 15% 45%, #e7e2cf 0 12px, transparent 13px),
    radial-gradient(circle at 80% 42%, #d57932 0 17px, transparent 18px),
    radial-gradient(circle at 84% 38%, #6d3219 0 9px, transparent 10px),
    linear-gradient(135deg, transparent 0 38%, #c21d21 38% 54%, transparent 54%),
    linear-gradient(14deg, transparent 0 48%, #e8c66d 48% 52%, transparent 52%),
    linear-gradient(0deg, rgba(39, 64, 32, 0.95), rgba(39, 64, 32, 0.55));
  opacity: 0.95;
}

.snowfall {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.58) 0 2px, transparent 3px),
    radial-gradient(circle, rgba(255, 255, 255, 0.34) 0 1px, transparent 2px);
  background-position: 12px 8px, 70px 42px;
  background-size: 92px 88px, 122px 118px;
  opacity: 0.5;
}

.board-header {
  position: relative;
  z-index: 1;
  text-align: center;
}

.eyebrow {
  margin: 0 0 2px;
  color: #f1c06a;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: var(--orange);
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  font-style: italic;
  line-height: 1.05;
  letter-spacing: 0;
  text-shadow: 0 3px 0 rgba(60, 22, 8, 0.65), 0 0 18px rgba(255, 178, 77, 0.2);
}

.light-string {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  gap: clamp(13px, 3vw, 42px);
  margin: 13px auto -3px;
  max-width: 720px;
}

.light-string::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 4%;
  right: 4%;
  height: 2px;
  background: rgba(42, 24, 12, 0.76);
}

.light-string span {
  position: relative;
  width: 10px;
  height: 18px;
  border-radius: 50% 50% 45% 45%;
  background: #f4d15f;
  box-shadow: 0 0 10px currentColor;
}

.light-string span:nth-child(3n) {
  background: #df443d;
}

.light-string span:nth-child(3n + 1) {
  background: #68a76a;
}

.calendar {
  position: relative;
  z-index: 1;
  margin-top: 18px;
  padding: 16px;
  border-radius: 4px;
  background:
    repeating-linear-gradient(0deg, transparent 0 108px, rgba(34, 18, 10, 0.62) 108px 120px),
    rgba(37, 20, 11, 0.52);
  box-shadow: inset 0 0 0 2px rgba(36, 19, 9, 0.82);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 12px 10px;
}

.day-card {
  position: relative;
  display: grid;
  min-height: 108px;
  place-items: center;
  overflow: hidden;
  cursor: pointer;
  color: #3a160d;
  border: 3px solid #392013;
  border-radius: 4px;
  background:
    linear-gradient(135deg, rgba(255, 246, 215, 0.22), transparent 42%),
    var(--paper);
  box-shadow: 0 6px 0 rgba(28, 14, 8, 0.62), inset 0 0 0 1px rgba(255, 239, 194, 0.2);
  transition: transform 180ms ease, filter 180ms ease, box-shadow 180ms ease;
}

.day-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 48%, rgba(65, 30, 15, 0.16) 49% 51%, transparent 52%),
    linear-gradient(0deg, transparent 48%, rgba(65, 30, 15, 0.14) 49% 51%, transparent 52%);
  opacity: 0;
  transition: opacity 180ms ease;
}

.day-card::after {
  content: attr(data-decor);
  position: absolute;
  right: 8px;
  top: 7px;
  color: rgba(63, 27, 12, 0.7);
  font-family: "Segoe UI Emoji", "Apple Color Emoji", sans-serif;
  font-size: 1.5rem;
  line-height: 1;
}

.day-card:hover,
.day-card:focus-visible {
  transform: translateY(-5px) rotate(-1deg);
  filter: brightness(1.08);
  box-shadow: 0 10px 0 rgba(28, 14, 8, 0.58), 0 0 0 3px rgba(234, 131, 57, 0.42);
  outline: none;
}

.day-card:hover::before,
.day-card:focus-visible::before {
  opacity: 1;
}

.day-number {
  position: relative;
  z-index: 1;
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 900;
  line-height: 1;
  text-shadow: 1px 2px 0 rgba(255, 223, 164, 0.35);
}

.day-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.day-card.is-open {
  border-color: #f2c86d;
  background:
    linear-gradient(135deg, rgba(255, 235, 180, 0.42), rgba(181, 53, 47, 0.12)),
    var(--paper-light);
}

.decor {
  position: absolute;
  z-index: 2;
  pointer-events: none;
}

.decor-candle {
  left: 18px;
  top: 92px;
  width: 58px;
  height: 76px;
  border-radius: 12px 12px 5px 5px;
  background: #fff5df;
  box-shadow: inset -8px 0 0 rgba(208, 196, 176, 0.7), 0 8px 0 rgba(44, 24, 13, 0.35);
}

.decor-candle::before {
  content: "";
  position: absolute;
  left: 20px;
  top: -25px;
  width: 17px;
  height: 28px;
  border-radius: 50% 50% 55% 55%;
  background: linear-gradient(#ffe58b, #df3e28);
}

.decor-gift {
  right: 118px;
  bottom: 32px;
  width: 92px;
  height: 70px;
  border-radius: 5px;
  background:
    linear-gradient(90deg, transparent 38%, #f4d27a 38% 50%, transparent 50%),
    linear-gradient(0deg, transparent 42%, #f4d27a 42% 54%, transparent 54%),
    #bb272a;
  transform: rotate(-7deg);
}

.decor-candy {
  left: 126px;
  bottom: 32px;
  width: 34px;
  height: 118px;
  border-radius: 18px 18px 10px 10px;
  background: repeating-linear-gradient(35deg, #fff 0 14px, #c72b31 14px 26px);
  transform: rotate(31deg);
}

.decor-tree {
  right: 18px;
  top: 100px;
  width: 0;
  height: 0;
  border-left: 38px solid transparent;
  border-right: 38px solid transparent;
  border-bottom: 92px solid #456f3f;
  filter: drop-shadow(0 6px 0 rgba(42, 22, 12, 0.5));
}

.decor-tree::after {
  content: "";
  position: absolute;
  left: -10px;
  top: 84px;
  width: 20px;
  height: 32px;
  background: #6d3f21;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: none;
  place-items: center;
  padding: 20px;
}

.modal.is-visible {
  display: grid;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 10, 4, 0.72);
  backdrop-filter: blur(8px);
}

.modal-card {
  position: relative;
  z-index: 1;
  width: min(560px, 100%);
  padding: 28px;
  border: 5px solid #3c2112;
  border-radius: 8px;
  background: #f1d7aa;
  color: var(--ink);
  box-shadow: 0 26px 90px rgba(0, 0, 0, 0.42);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  cursor: pointer;
  color: var(--ink);
  border: 1px solid rgba(60, 33, 18, 0.28);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.34);
  font-size: 1.5rem;
  line-height: 1;
}

.modal-close:hover,
.modal-close:focus-visible {
  border-color: var(--orange);
  outline: none;
}

.modal-kicker {
  margin: 0 0 8px;
  color: var(--red);
  font-weight: 800;
}

.modal-card h2 {
  margin: 0 42px 18px 0;
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.modal-image {
  display: grid;
  min-height: 210px;
  place-items: center;
  margin-bottom: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(223, 122, 52, 0.24), rgba(183, 52, 50, 0.2)),
    rgba(94, 49, 24, 0.08);
  color: rgba(60, 25, 13, 0.68);
  font-weight: 800;
}

.modal-card p:last-child {
  margin: 0;
  color: #5e331c;
  font-size: 1rem;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .calendar-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .decor-candle,
  .decor-tree {
    display: none;
  }
}

@media (max-width: 620px) {
  .page-shell {
    width: min(100% - 22px, 1180px);
    padding-top: 12px;
  }

  .calendar-board {
    padding: 18px 12px 104px;
  }

  .calendar {
    padding: 10px;
  }

  .calendar-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .day-card {
    min-height: 92px;
  }

  .modal-card {
    padding: 22px;
  }

  .decor-gift,
  .decor-candy {
    transform: scale(0.72) rotate(-7deg);
  }
}