/* ===============================
   LIGHT MODE (default) — colors only
   =============================== */
:root {
  --bg: #f6f7fb;
  --panel: #ffffff;
  --ink: #111;
  --ink-rgb: 17, 17, 17;
  --muted: #888;
  --weekend: #888;
  --firstday: #000;
  --label-bg: #fafbfe;
  --label-bg-rgb: 250, 251, 254;
}

/* WINTER — cool gray-blue hue, light-dark-light */
.cell.dec { background: hsl(220 20% 95%) } /* light */
.cell.jan { background: hsl(220 20% 88%) } /* dark */
.cell.feb { background: hsl(220 20% 95%) } /* light */

/* SPRING — fresh green hue, dark-light-dark */
.cell.mar { background: hsl(125 60% 88%) } /* dark */
.cell.apr { background: hsl(125 60% 95%) } /* light */
.cell.may { background: hsl(125 60% 88%) } /* dark */

/* SUMMER — golden yellow-brown hue, light-dark-light */
.cell.jun { background: hsl(45 85% 95%) } /* light */
.cell.jul { background: hsl(45 85% 88%) } /* dark */
.cell.aug { background: hsl(45 85% 95%) } /* light */

/* AUTUMN — red-orange hue, dark-light-dark */
.cell.sep { background: hsl(18 78% 88%) } /* dark */
.cell.oct { background: hsl(18 78% 95%) } /* light */
.cell.nov { background: hsl(18 78% 88%) } /* dark */

/* ===============================
   DARK MODE — colors only
   =============================== */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: radial-gradient(1200px 800px at 20% -10%, #1c2130 0%, #0c0f16 35%, #0a0b11 100%);
    --panel: #111318;
    --ink: #ddd;
    --ink-rgb: 221, 221, 221;
    --muted: #888;
    --weekend: #999;
    --firstday: #fff;
    --label-bg: #1a1d25;
    --label-bg-rgb: 26, 29, 37;
  }

  /* WINTER — cool gray-blue hue, light-dark-li666ght */
  .cell.dec { background: hsl(220 20% 22%) } /* light */
  .cell.jan { background: hsl(220 20% 16%) } /* dark */
  .cell.feb { background: hsl(220 20% 22%) } /* light */

  /* SPRING — fresh green hue, dark-light-dark */
  .cell.mar { background: hsl(125 40% 18%) } /* dark */
  .cell.apr { background: hsl(125 40% 26%) } /* light */
  .cell.may { background: hsl(125 40% 18%) } /* dark */

  /* SUMMER — golden yellow-brown hue, light-dark-light */
  .cell.jun { background: hsl(45 70% 24%) } /* light */
  .cell.jul { background: hsl(45 70% 18%) } /* dark */
  .cell.aug { background: hsl(45 70% 24%) } /* light */

  /* AUTUMN — red-orange hue, dark-light-dark */
  .cell.sep { background: hsl(18 70% 18%) } /* dark */
  .cell.oct { background: hsl(18 70% 26%) } /* light */
  .cell.nov { background: hsl(18 70% 18%) } /* dark */
}



/* ===============================
   Base layout & typography (mode-agnostic)
   =============================== */
:root {
  --gap: 0;
  --row-h: 2.2em;
  --w-label: 3em;
  --w-cell: 3em;
  --overlay-w: 3rem; /* extra right-side strip for month labels */
  --week-row-h: 4em;
}

* { box-sizing: border-box }

body {
  margin: 0;
  font: 500 14px/1.2 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial;
  background: var(--bg);
  color: var(--ink);
}

.wrap {
  width: fit-content;
  max-width: none;
  margin: 2rem auto;
  background: var(--panel);
  height: calc(100vh - 4rem);
  display: flex;
  flex-direction: column;
  min-width: calc(var(--w-label) + 7 * var(--w-cell) + 2.4rem); /* Account for padding */
}

header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: .75rem;
  flex-shrink: 0;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.date-input {
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--muted);
  padding: 0.5em 0.75em;
  border-radius: 0.25rem;
  font-weight: 500;
  font-size: 0.9rem;
  min-width: 120px;
  font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, monospace;
}

.date-input.clean-input {
  background: transparent;
  border: none;
  padding: 0.5em 0;
  color: var(--ink);
}

.date-input:focus {
  outline: none;
  border-color: var(--ink);
}

.date-input.clean-input:focus {
  outline: none;
  border: none;
}

.today-button {
  background: var(--ink);
  color: var(--panel);
  border: none;
  padding: 0.5em 1em;
  border-radius: 0.25rem;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.today-button:hover {
  opacity: 0.8;
}

.calendar-header {
  display: grid;
  grid-template-columns: var(--w-label) repeat(7, var(--w-cell)) var(--overlay-w);
  gap: 0;
  border-bottom: .1em solid var(--muted);
  flex-shrink: 0;
}

.calendar-container {
  flex: 1;
  overflow: hidden;
  position: relative;
  width: 100%;
  display: flex;
}

.calendar-viewport {
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  flex: 0 0 auto;
  width: calc(var(--w-label) + 7 * var(--w-cell) + var(--overlay-w));
  /* Hide scrollbar */
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
}

.calendar-viewport::-webkit-scrollbar {
  display: none; /* Chrome/Safari/Webkit */
}

.jogwheel-viewport {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: var(--overlay-w);
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  /* Hide scrollbar */
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
  z-index: 20; /* Above calendar content and labels */
}

.jogwheel-viewport::-webkit-scrollbar {
  display: none; /* Chrome/Safari/Webkit */
}

.jogwheel-content {
  position: relative;
  width: 100%;
  background: transparent;
}

.calendar-content {
  position: relative;
}

.week-row {
  display: grid;
  grid-template-columns: var(--w-label) repeat(7, var(--w-cell)) var(--overlay-w);
  gap: 0;
  position: relative;
  overflow: visible;
  height: var(--week-row-h);
}

/* Ensure children match the fixed week height */
.week-row .cell,
.week-row .week-label { height: var(--week-row-h); }

header h1 {
  margin: 0;
  font-size: 1rem;
}

.dow-label,
.week-label {
  display: grid;
  place-items: center;
  width: var(--w-label);
  height: var(--row-h);
  color: var(--muted);
}
.dow {
  text-transform: uppercase;
}
.cell {
  display: grid;
  place-items: center;
  width: var(--w-cell);
  height: var(--row-h);
  font-weight: 700;
  margin: 0;
  padding: 0;
  border: 1px transparent;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.cell:hover {
  background: rgba(var(--ink-rgb, 17, 17, 17), 0.1);
}
.weekend { color: var(--weekend) }
.firstday { color: var(--firstday); text-shadow: 0 0 .1em var(--ink) }
.today h1 {
  background: var(--ink) !important; 
  color: var(--panel) !important; 
  border-radius: 0.25rem;
  font-weight: 700;
  cursor: pointer;
}
.selected,
.range-start,
.range-end,
.range-middle,
.range-single { background: var(--weekend) !important; }

.selected h1 {
  background: transparent !important;
  color: var(--panel) !important;
  font-weight: 700;
  cursor: pointer;
}
.range-start h1,
.range-end h1,
.range-middle h1,
.range-single h1 {
  background: transparent !important;
  color: var(--panel) !important;
  font-weight: 700;
  cursor: pointer;
}
.cell h1 {
  cursor: inherit !important; /* Inherit cursor from parent cell */
  padding: 0.25em;
  margin: 0;
  border-radius: 0.25rem;
  transition: background-color 0.15s ease;
  font-size: 1em;
}
.cell h1:hover {
  background: var(--muted);
  color: var(--panel);
}

/* ===============================
   JOGWHEEL MONTH LABELS
   =============================== */
.month-name-label {
  grid-column: -2 / -1; /* last overlay column */
  font-size: 2em;
  font-weight: 700;
  color: var(--muted);
  display: flex;
  align-items: center; /* center in container */
  justify-content: center;
  pointer-events: none;
  z-index: 15;
  overflow: visible;
  position: absolute;
  top: 0;
  right: 0;
  width: var(--overlay-w);
}

.month-name-label > span {
  display: inline-block;
  white-space: nowrap;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  transform-origin: center;
}