/* Separated Water の共通パレット。単体ページでも同じ色だけを使う。 */
:root {
  color-scheme: dark;
  --brand-red: #B51510;
  --ink: #211D1C;
  --night: #1B1716;
  --paper: #FFFDF8;
  --linen: #F6F0E6;
  --mist: #E5DED5;
  --bone: #EFE7DA;
  --rose: #D98688;
  --taupe: #6D625A;
  --ash: #B7A99A;

  --bg: var(--brand-red);
  --panel: var(--night);
  --panel-soft: var(--ink);
  --line: var(--rose);
  --text: var(--paper);
  --muted: var(--mist);
  --accent: var(--rose);
  --calendar-cell-size: 22px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

button, input, select { font: inherit; }

button {
  border: 1px solid var(--paper);
  border-radius: 0;
  background: var(--paper);
  color: var(--brand-red);
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 700;
}

button:hover, button:focus-visible {
  background: var(--mist);
  border-color: var(--mist);
}

.app-shell {
  width: min(1000px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 64px;
}

.app-header, .control-panel, .visual-panel, .metric, .calendar-section, .editor-section {
  border: 1px solid var(--paper);
  background: var(--panel);
}

.app-header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  padding: 24px;
}

.eyebrow {
  color: var(--rose);
  margin: 0 0 4px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 0;
  font-family: Georgia, "Times New Roman", Times, serif;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.05;
}
h2 { margin-bottom: 4px; font-size: 18px; }
h3 { margin-bottom: 14px; font-size: 16px; }

.header-status, .panel-heading p, .section-heading p, .metric span { color: var(--muted); }
.header-status { text-align: right; }

.control-panel {
  display: grid;
  gap: 14px;
  margin-top: 18px;
  padding: 18px;
}

.control-strip {
  display: grid;
  gap: 14px;
  align-items: end;
}

.time-strip {
  grid-template-columns: minmax(260px, 1fr) 130px 110px 150px auto auto;
}

.observer-strip {
  grid-template-columns: minmax(220px, 1.4fr) minmax(140px, 180px) minmax(150px, 200px);
  padding-top: 14px;
  border-top: 1px solid var(--taupe);
}

.control-group, .field { display: grid; gap: 7px; color: var(--muted); font-size: 13px; }
.label-row { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.label-ja { color: var(--text); font-weight: 600; white-space: nowrap; }
.label-en { color: var(--muted); text-align: right; }
.observer-strip .label-row {
  justify-content: flex-start;
  gap: 6px;
  flex-wrap: nowrap;
}
.observer-strip .label-en {
  text-align: left;
  white-space: nowrap;
}

.field input, .field select {
  min-width: 0;
  border: 1px solid var(--ash);
  border-radius: 0;
  background: var(--ink);
  color: var(--text);
  padding: 10px 11px;
}

.field input:disabled { color: var(--ash); cursor: not-allowed; }
input[type="range"] { width: 100%; accent-color: var(--rose); }
.site-description {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.visual-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 18px; }
.visual-panel { overflow: hidden; }
.panel-heading {
  min-height: 82px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  padding: 18px 18px 8px;
}
.panel-heading-aside {
  display: grid;
  gap: 8px;
  justify-items: end;
  align-content: start;
}
.frame-toggle {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}
.frame-toggle select {
  min-width: 160px;
  border: 1px solid var(--ash);
  border-radius: 0;
  background: var(--ink);
  color: var(--text);
  padding: 6px 8px;
}
.panel-heading output { color: var(--rose); font-variant-numeric: tabular-nums; white-space: nowrap; }
canvas { display: block; width: 100%; aspect-ratio: 4 / 3; }

.info-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 18px; }
.metric { padding: 16px; }
.metric strong { display: block; margin-top: 6px; font-size: 20px; font-variant-numeric: tabular-nums; }

.calendar-section, .editor-section { margin-top: 18px; padding: 20px; }
.section-heading { display: flex; justify-content: space-between; gap: 18px; align-items: start; margin-bottom: 16px; }
.calendar-current { color: var(--rose); font-size: 18px; font-weight: 600; font-variant-numeric: tabular-nums; text-align: right; }

.calendar-legend { display: flex; flex-wrap: wrap; gap: 12px 18px; margin-bottom: 16px; color: var(--muted); font-size: 13px; }
.calendar-legend span { display: inline-flex; align-items: center; gap: 7px; }
.legend-swatch { width: 12px; height: 12px; display: inline-block; }

.calendar-help { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin-bottom: 18px; }
.calendar-help p { margin: 0; border: 1px solid var(--taupe); background: var(--ink); color: var(--muted); padding: 12px; font-size: 13px; }
.calendar-help strong { color: var(--text); }

.calendar-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; align-items: start; }
.calendar-grid { display: grid; gap: 14px; }
.month-group { display: grid; gap: 4px; }
.month-row, .festival-row { display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: 10px; align-items: center; }
.month-label, .festival-label { color: var(--text); font-weight: 600; font-size: 13px; }
.day-cells {
  display: grid;
  grid-template-columns: repeat(var(--day-count, 55), var(--calendar-cell-size));
  gap: 2px;
  justify-content: start;
}
.festival-cells { display: grid; grid-template-columns: repeat(2, minmax(36px, 54px)); gap: 6px; }

.day-cell {
  position: relative;
  min-width: 0;
  height: 32px;
  border: 0;
  border-radius: 0;
  padding: 2px;
  background: var(--taupe);
  color: var(--ink);
  cursor: pointer;
  display: grid;
  place-items: center;
}

.day-cell:hover, .day-cell:focus-visible { outline: 1px solid var(--paper); outline-offset: 1px; }
.day-cell.current { outline: 2px solid var(--rose); outline-offset: 1px; }
.day-cell.half-monto-start::before {
  content: "";
  position: absolute;
  left: -3px;
  top: -3px;
  bottom: -3px;
  width: 2px;
  background: var(--paper);
}

.day-cell.encounter, .legend-swatch.encounter { background: var(--paper); }
.day-cell.opposition, .legend-swatch.opposition { background: var(--brand-red); }
.day-cell.half-phase, .legend-swatch.half-phase { background: var(--bone); }
.day-cell.wesio-phase, .legend-swatch.wesio-phase { background: var(--mist); }
.day-cell.festival, .legend-swatch.festival { background: var(--taupe); }
.day-cell.leap-day, .legend-swatch.leap-day { background: var(--ash); }
.day-cell.is-empty { background: var(--ink); color: var(--ash); cursor: default; }

.moon-pair { display: grid; gap: 2px; }
.moon-mark {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 1.5px solid var(--moon-color);
  background: linear-gradient(90deg, var(--moon-fill) 0 var(--phase), var(--ink) var(--phase) 100%);
  display: block;
  transform: rotate(var(--lit-angle, 0deg));
}
.moon-mark.is-hidden { border-style: dashed; }
.moon-mark.monto { --moon-color: var(--rose); --moon-fill: var(--bone); }
.moon-mark.wesio { --moon-color: var(--ash); --moon-fill: var(--mist); }

.day-detail { border: 1px solid var(--taupe); padding: 16px; background: var(--ink); }
.day-detail dl { display: grid; grid-template-columns: 92px 1fr; gap: 9px 12px; margin: 0; font-size: 13px; }
.day-detail dt { color: var(--muted); }
.day-detail dd { margin: 0; color: var(--text); }

.body-editor { min-width: 0; }
.system-data-table-wrap { overflow-x: auto; }
.body-editor .grammar-table { margin: 0; }
.body-editor .grammar-table thead th {
  white-space: nowrap;
}
.body-editor .grammar-table thead th .font-aishenon {
  margin-right: 0.35em;
}
.body-editor .grammar-table thead th .font-latin {
  font-weight: 600;
}
.body-editor .grammar-table th[scope="row"] {
  white-space: normal;
  min-width: 9.5rem;
}
.system-data-ja { display: block; color: var(--text); }
.system-data-en { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; font-weight: 400; }
.body-editor .grammar-table td {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.error { color: var(--rose); }

@media (max-width: 1080px) {
  .time-strip { grid-template-columns: 1fr 130px 110px; }
  .observer-strip { grid-template-columns: 1fr 140px 140px; }
  .visual-grid, .info-grid, .calendar-layout, .calendar-help { grid-template-columns: 1fr; }
  .calendar-grid { overflow-x: auto; padding-bottom: 4px; }
  .month-row, .festival-row { min-width: 720px; }
}

@media (max-width: 700px) {
  .app-shell { width: min(100% - 20px, 1000px); padding-top: 14px; }
  .app-header, .section-heading { display: grid; }
  .header-status { text-align: left; }
  .time-strip, .observer-strip { grid-template-columns: 1fr; }
  .panel-heading { display: grid; min-height: unset; }
  .panel-heading-aside { justify-items: start; }
}