/**
 * Royal main menu — shared across category pages.
 * Palette: Thai flag (red / white / blue) + royal gold and the seven day colours.
 */
:root {
  --rm-red: #a51931;       /* ชาติ · nation */
  --rm-white: #f4f5f8;     /* ศาสนา · religion */
  --rm-blue: #2d2a4a;      /* พระมหากษัตริย์ · monarchy */
  --rm-blue-lift: #3f3b6d;
  --rm-gold: #f4c300;      /* สีทอง · royal gold */
  --rm-gold-soft: #ffe480;
  --rm-sun: #e4002b;
  --rm-mon: #ffd100;
  --rm-tue: #ff6fa5;
  --rm-wed: #14a44d;
  --rm-thu: #ff8a1f;
  --rm-fri: #2f6bff;
  --rm-sat: #8b5cf6;
  --rm-ink: #f8fafc;
  --rm-ink-dim: #cbd5e1;
  --rm-sheet: linear-gradient(168deg, #1b1834 0%, #241f45 46%, #14122b 100%);
  --rm-font: 'Outfit', 'Segoe UI', system-ui, sans-serif;
  --rm-font-thai: 'Sarabun', 'Tahoma', sans-serif;
}

.rm-overlay {
  position: fixed;
  inset: 0;
  z-index: 20050;
  display: none;
  padding: 16px;
  padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  background: rgba(8, 6, 20, 0.72);
  backdrop-filter: blur(10px) saturate(1.2);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
  overscroll-behavior: contain;
}
.rm-overlay.open {
  display: grid;
  place-items: end center;
  animation: rmFade 0.16s ease-out;
}
@keyframes rmFade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.rm-sheet {
  width: min(760px, 100%);
  max-height: min(84vh, 900px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 26px;
  border: 1px solid rgba(244, 195, 0, 0.42);
  background: var(--rm-sheet);
  box-shadow: 0 -10px 60px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  color: var(--rm-ink);
  font-family: var(--rm-font);
  animation: rmRise 0.2s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes rmRise {
  from { transform: translateY(26px); opacity: 0.4; }
  to { transform: translateY(0); opacity: 1; }
}

/* Tricolour ribbon of the flag: red · white · blue · white · red */
.rm-flag {
  height: 12px;
  border-radius: 26px 26px 0 0;
  overflow: hidden;
  display: grid;
  grid-template-rows: 2fr 1fr 4fr 1fr 2fr;
}
.rm-flag i:nth-child(1),
.rm-flag i:nth-child(5) { background: var(--rm-red); }
.rm-flag i:nth-child(2),
.rm-flag i:nth-child(4) { background: var(--rm-white); }
.rm-flag i:nth-child(3) { background: #241d4f; }

.rm-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px 10px;
  position: sticky;
  top: 0;
  background: linear-gradient(180deg, #1d1937 78%, rgba(29, 25, 55, 0));
  z-index: 2;
}
.rm-mark {
  width: 42px;
  height: 42px;
  flex: none;
  display: grid;
  place-items: center;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  border-radius: 12px;
  background: #f8fafc;
  color: #0c4a6e;
  border: 1px solid rgba(248, 250, 252, 0.35);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.22);
}
.rm-title { display: grid; gap: 2px; }
.rm-title strong {
  font-size: 1.02rem;
  letter-spacing: 0.01em;
  color: var(--rm-gold-soft);
}
.rm-title span {
  font-family: var(--rm-font-thai);
  font-size: 0.82rem;
  color: var(--rm-ink-dim);
}
.rm-head .rm-x {
  margin-left: auto;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid rgba(244, 195, 0, 0.35);
  background: rgba(255, 255, 255, 0.05);
  color: var(--rm-gold-soft);
  font-size: 1.1rem;
  cursor: pointer;
}
.rm-head .rm-x:hover { background: rgba(244, 195, 0, 0.16); }

.rm-body { padding: 4px 16px 12px; display: grid; gap: 14px; }

.rm-group {
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-left: 4px solid var(--rm-accent, var(--rm-gold));
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.035);
  padding: 12px 12px 14px;
}
.rm-group h4 {
  margin: 0 0 10px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--rm-accent, var(--rm-gold));
}
.rm-group h4 em {
  font-family: var(--rm-font-thai);
  font-style: normal;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.85rem;
  color: var(--rm-ink-dim);
}

.rm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  gap: 8px;
}
.rm-item {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border-radius: 13px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(12, 10, 28, 0.55);
  color: var(--rm-ink);
  text-decoration: none;
  transition: transform 0.12s ease, border-color 0.12s ease, background 0.12s ease;
}
.rm-item:hover {
  transform: translateY(-2px);
  border-color: var(--rm-accent, var(--rm-gold));
  background: rgba(244, 195, 0, 0.1);
}
.rm-item .rm-ico { font-size: 1.15rem; }
.rm-item .rm-lbl { display: grid; gap: 1px; min-width: 0; }
.rm-item .rm-en {
  font-size: 0.84rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.rm-item .rm-th {
  font-family: var(--rm-font-thai);
  font-size: 0.74rem;
  color: var(--rm-ink-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.rm-item.active {
  border-color: var(--rm-gold);
  background: linear-gradient(135deg, rgba(244, 195, 0, 0.24), rgba(165, 25, 49, 0.22));
  box-shadow: 0 0 0 1px rgba(244, 195, 0, 0.35) inset;
}
.rm-item:focus-visible,
.rm-head .rm-x:focus-visible {
  outline: 3px solid var(--rm-gold);
  outline-offset: 2px;
}

/* Seven day colours of the kingdom */
.rm-days {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 2px 20px 18px;
  align-items: center;
}
.rm-days .rm-days-lbl {
  font-family: var(--rm-font-thai);
  font-size: 0.74rem;
  color: var(--rm-ink-dim);
  margin-right: 4px;
}
.rm-day {
  display: inline-grid;
  place-items: center;
  min-width: 34px;
  height: 26px;
  padding: 0 7px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  color: #10061c;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.rm-day:hover { filter: brightness(1.12); }
.rm-day.sun { background: var(--rm-sun); color: #fff; }
.rm-day.mon { background: var(--rm-mon); }
.rm-day.tue { background: var(--rm-tue); }
.rm-day.wed { background: var(--rm-wed); color: #fff; }
.rm-day.thu { background: var(--rm-thu); }
.rm-day.fri { background: var(--rm-fri); color: #fff; }
.rm-day.sat { background: var(--rm-sat); color: #fff; }

.rm-foot {
  padding: 0 20px calc(18px + env(safe-area-inset-bottom, 0px));
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.rm-foot .rm-close {
  flex: 1 1 160px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(244, 195, 0, 0.5);
  background: linear-gradient(135deg, var(--rm-gold), #ffb703);
  color: #2b1d00;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
}
.rm-foot .rm-ver {
  font-size: 0.72rem;
  color: var(--rm-ink-dim);
}

/* Light pages keep the royal sheet dark for contrast, no override needed. */
@media (max-width: 520px) {
  .rm-sheet { max-height: 88vh; border-radius: 22px; }
  .rm-grid { grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); }
  .rm-item { padding: 9px; }
}
@media (prefers-reduced-motion: reduce) {
  .rm-overlay.open,
  .rm-sheet { animation: none; }
  .rm-item:hover { transform: none; }
}
body.rm-locked { overflow: hidden; }