:root {
  --paper: #F7F6F2;
  --surface: #FFFFFF;
  --ink: #23262B;
  --muted: #67707C;
  --line: #E3E1DA;
  --friday: #FAF3E2;
  --friday-head: #B08327;
  --saturday: #EAF0FA;
  --saturday-head: #46649B;
  --jewish: #FBE7C3;
  --jewish-label: #8A5A00;
  --christian: #E0EDFB;
  --christian-label: #2B5E9E;
  --dayoff: #1E7B3C;
  --accent: #34708E;
  --accent-soft: #EAF2F6;
  --empty: #F2F1EC;
  --radius: 8px;
}

:root[data-season="winter"] { --accent: #34708E; --accent-soft: #EAF2F6; }
:root[data-season="spring"] { --accent: #4F8A3D; --accent-soft: #EDF4E8; }
:root[data-season="summer"] { --accent: #C07A1E; --accent-soft: #FBF2E3; }
:root[data-season="autumn"] { --accent: #A8552F; --accent-soft: #F7EDE7; }

:root[data-mode="dark"] {
  --paper: #161A22;
  --surface: #1E232D;
  --ink: #E8EAEE;
  --muted: #98A2B3;
  --line: #343D4C;
  --friday: #322B1D;
  --friday-head: #D9B24E;
  --saturday: #1C2739;
  --saturday-head: #7FA3D9;
  --jewish: #3B2F17;
  --jewish-label: #EFC46B;
  --christian: #1D3450;
  --christian-label: #93C0EE;
  --dayoff: #2F9E57;
  --empty: #222835;
}

:root[data-mode="dark"][data-season="winter"] { --accent: #7FB3CE; --accent-soft: #223040; }
:root[data-mode="dark"][data-season="spring"] { --accent: #86C073; --accent-soft: #243522; }
:root[data-mode="dark"][data-season="summer"] { --accent: #E5AC55; --accent-soft: #3A2E1B; }
:root[data-mode="dark"][data-season="autumn"] { --accent: #DB8A61; --accent-soft: #3A2A22; }

:root[data-mode="dark"] .day-cell.today .day-num { color: #14181F; }

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Heebo", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.calendar-app {
  height: 100dvh;
  display: flex;
  flex-direction: column;
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 16px 10px;
}

.topbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 6px;
  border-bottom: 3px solid var(--accent);
  transition: border-color 200ms ease;
}

.brand {
  font-family: "Suez One", serif;
  font-weight: 400;
  font-size: 24px;
  margin: 0;
  color: var(--ink);
}

.season-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.month-title {
  font-family: "Suez One", serif;
  font-weight: 400;
  font-size: 21px;
  margin: 0 8px;
  min-width: 170px;
  text-align: center;
}

.heb-title {
  font-family: "Heebo", sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
  margin-inline-start: 10px;
  white-space: nowrap;
}

.nav-btn, .today-btn {
  font-family: inherit;
  font-size: 18px;
  direction: ltr;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  width: 38px;
  height: 38px;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease;
}

.today-btn { width: auto; padding: 0 16px; font-size: 15px; font-weight: 700; }

.nav-btn:hover, .today-btn:hover { background: var(--accent-soft); border-color: var(--accent); }

.nav-btn:focus-visible, .today-btn:focus-visible, .filter input:focus-visible + * {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.filters {
  display: flex;
  gap: 16px;
  border: none;
  margin: 0;
  padding: 0;
}

.filter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.filter input { width: 18px; height: 18px; accent-color: var(--accent); cursor: pointer; }

.grid-wrap {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.weekday-row, .days-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}

.days-grid { flex: 1 0 auto; grid-auto-rows: minmax(76px, 1fr); }

.weekday-row > div {
  padding: 10px 8px;
  text-align: center;
  font-weight: 700;
  font-size: 13px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.weekday-row > div:nth-child(6) { color: var(--friday-head); }
.weekday-row > div:nth-child(7) { color: var(--saturday-head); }

.day-cell {
  min-height: 76px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--line);
  border-inline-start: 1px solid var(--line);
  position: relative;
}

.day-cell:nth-child(7n) { border-inline-start: none; }

.day-cell.empty { background: var(--empty); }

.day-cell.friday { background: var(--friday); }
.day-cell.saturday { background: var(--saturday); }
.day-cell.jewish { background: var(--jewish); }
.day-cell.christian { background: var(--christian); }

.day-num {
  font-family: "Suez One", serif;
  font-size: 20px;
  line-height: 1.2;
}

.day-cell.today .day-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
}

.hebrew-date {
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
}

.sun-times {
  font-size: 11.5px;
  color: var(--muted);
  white-space: nowrap;
  margin-top: 2px;
}

.sun-times span + span { margin-inline-start: 8px; }

.settings-wrap { position: relative; }

.settings-btn {
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  height: 38px;
  padding: 0 16px;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease;
}

.settings-btn:hover { background: var(--accent-soft); border-color: var(--accent); }

.settings-btn:focus-visible, .filter input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.settings-popup {
  position: absolute;
  inset-inline-end: 0;
  inset-block-start: 44px;
  z-index: 10;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(35, 38, 43, 0.12);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 190px;
}

.settings-popup[hidden] { display: none; }

.holiday-name {
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1.3;
  margin-top: 2px;
}

.day-cell.jewish .holiday-name { color: var(--jewish-label); }
.day-cell.christian .holiday-name { color: var(--christian-label); }

.dayoff-badge {
  position: absolute;
  inset-inline-end: 8px;
  inset-block-start: 8px;
  background: var(--dayoff);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 8px 4px 0;
  font-size: 12px;
  color: var(--muted);
}

.legend .swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  border: 1px solid var(--line);
  vertical-align: -2px;
  margin-inline-end: 6px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  border: 0;
}

@media (max-width: 600px) {
  .calendar-app { padding: 10px 8px 8px; }
  .brand { font-size: 20px; }
  .month-title { font-size: 17px; min-width: 0; display: flex; flex-direction: column; gap: 0; }
  .heb-title { margin-inline-start: 0; }
  .toolbar { justify-content: center; }
  .days-grid { grid-auto-rows: minmax(58px, 1fr); }
  .day-cell { min-height: 58px; padding: 4px 5px; }
  .day-num { font-size: 16px; }
  .sun-times { font-size: 9.5px; white-space: normal; }
  .holiday-name { font-size: 10px; }
  .dayoff-badge { font-size: 9px; padding: 1px 6px; inset-block-start: 4px; inset-inline-end: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}