:root {
  --ink: #1f1a17;
  --ink-soft: #4a423b;
  --paper: #f7f2e8;
  --card: rgba(250, 246, 238, 0.88);
  --card-edge: rgba(255, 255, 255, 0.6);
  --muted: #6b625a;
  --vermilion: #d2452b;
  --vermilion-soft: rgba(210, 69, 43, 0.12);
  --indigo: #1d2a44;
  --shadow: 0 18px 40px rgba(10, 12, 20, 0.28);
  --radius: 18px;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-jp: 'Noto Serif JP', serif;
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.6;
}

a { color: var(--vermilion); }

[lang="ja"] { font-family: var(--font-jp); }

/* Plain pages (404, admin placeholder) */
.placeholder {
  max-width: 40rem;
  margin: 0 auto;
  padding: 4rem 1rem;
}

.placeholder h1 {
  font-family: var(--font-jp);
  color: var(--vermilion);
}

.muted { color: var(--muted); }

/* Day page: full-bleed background, darkened so cards always read well. */
.day-body {
  background-color: var(--indigo);
  /* Fallback when no photo is configured: a dusk sky with a soft rising sun. */
  background-image:
    radial-gradient(circle at 78% 22%, rgba(255, 170, 120, 0.55) 0 7rem, transparent 7.1rem),
    linear-gradient(160deg, #1d2a44 0%, #5b3a5e 55%, #d2734b 100%);
  background-attachment: fixed;
  background-size: cover;
}

.day-body.has-bg {
  background-image:
    linear-gradient(180deg, rgba(12, 14, 24, 0.35) 0%, rgba(12, 14, 24, 0.6) 100%),
    var(--bg-image);
  background-position: center;
}

.page {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 2rem;
  max-width: 76rem;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.content { display: grid; gap: 1.5rem; align-content: start; }

.sidebar {
  position: sticky;
  top: 2rem;
  align-self: start;
  display: grid;
  gap: 1.5rem;
}

.day-header { color: #fff; text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45); }

.site-name {
  margin: 0;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-name a { color: inherit; text-decoration: none; }

.day-header h1 {
  margin: 0.25rem 0 0;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
}

/* Cards: frosted washi paper */
.card {
  position: relative;
  padding: 1.75rem 1.75rem 1.5rem;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--card-edge);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
}

.card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.5rem;
  bottom: 1.5rem;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: var(--vermilion);
}

.card h2 { margin: 0.25rem 0 0.75rem; font-size: 1.45rem; line-height: 1.25; }

.card-label {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.area-tag {
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  background: var(--vermilion-soft);
  color: var(--vermilion);
  letter-spacing: 0.04em;
  text-transform: none;
  font-size: 0.85rem;
}

.prose { color: var(--ink-soft); }
.prose p { margin: 0 0 0.8rem; }
.prose ul { margin: 0 0 0.8rem; padding-left: 1.2rem; }
.prose code { padding: 0.1rem 0.35rem; border-radius: 4px; background: rgba(31, 26, 23, 0.07); }

.phrase-jp {
  margin: 0.5rem 0 0.25rem;
  font-size: clamp(1.8rem, 8vw, 3.4rem);
  text-wrap: balance;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink);
}

.phrase-reading { margin: 0; font-size: 1.1rem; font-style: italic; color: var(--vermilion); }
.phrase-meaning { margin: 0.6rem 0 0; font-size: 1.15rem; font-weight: 600; }
.phrase-usage { margin: 0.5rem 0 0; color: var(--ink-soft); }

/* Countdown */
.countdown { text-align: center; }
.countdown::before { display: none; }
.countdown p { margin: 0; }

.countdown-number {
  font-family: var(--font-jp);
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--vermilion);
}

.trip-dates { margin-top: 0.75rem !important; font-size: 0.85rem; color: var(--muted); }

/* Calendar */
.calendar { padding: 1.4rem 1.25rem 1.1rem; }
.calendar::before { display: none; }

.cal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.cal-month { margin: 0; font-size: 1.1rem; }

.cal-nav {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  font-size: 1.3rem;
  line-height: 1;
  color: var(--ink);
  text-decoration: none;
}

a.cal-nav:hover, a.cal-nav:focus-visible { background: var(--vermilion-soft); color: var(--vermilion); }
.cal-nav.disabled { color: rgba(31, 26, 23, 0.2); }

.cal-grid { width: 100%; border-collapse: collapse; table-layout: fixed; text-align: center; }

.cal-grid th {
  padding-bottom: 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.cal-grid abbr { text-decoration: none; }
.cal-grid td { padding: 2px; }

.cal-day {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  max-width: 2.4rem;
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 50%;
  font-size: 0.9rem;
  color: var(--ink-soft);
  text-decoration: none;
}

.cal-day.has-link { font-weight: 600; color: var(--vermilion); background: var(--vermilion-soft); }
a.cal-day:hover, a.cal-day:focus-visible { background: var(--vermilion); color: #fff; }
.cal-day.future { color: rgba(31, 26, 23, 0.38); }
.cal-day.today { box-shadow: inset 0 0 0 2px var(--vermilion); }
.cal-day.selected { background: var(--vermilion); color: #fff; }

/* Trip days: indigo tint with a tiny torii. */
.cal-day.trip:not(.selected):not(.has-link) { background: rgba(29, 42, 68, 0.14); color: var(--indigo); font-weight: 600; }
.cal-day.trip::after {
  content: '⛩';
  position: absolute;
  top: -0.35rem;
  right: -0.2rem;
  font-size: 0.65rem;
  color: var(--vermilion);
}
.legend-torii { color: var(--vermilion); }

.cal-legend { margin: 0.75rem 0 0; font-size: 0.78rem; color: var(--muted); text-align: center; }

@media (max-width: 900px) {
  .page { grid-template-columns: 1fr; padding: 1.5rem 1rem 3rem; gap: 1.25rem; }
  .sidebar { position: static; }
  .card { padding: 1.4rem 1.25rem 1.25rem; }
  .day-body { background-attachment: scroll; }
}