/* Revision calendar and focus streaks */
.revision-page {
  --revision-low: #1a352d;
  --revision-mid: #265846;
  --revision-high: #76dbb5;
  --revision-high-ink: #12362b;
  display: grid;
  gap: 14px;
  width: min(100%, 840px);
  margin-inline: auto;
}
.light-screen .revision-page {
  --revision-low: #e2f2e9;
  --revision-mid: #b9e6d0;
  --revision-high: #6ccb9f;
}
.revision-intro {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: end;
  gap: 10px 16px;
  padding: 2px;
}
.revision-intro h1 {
  margin: 2px 0 5px;
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 780;
  letter-spacing: -.05em;
  line-height: 1.1;
}
.revision-intro h1 + p,
.revision-calendar-header p,
.revision-day-detail p,
.revision-calendar-note { color: var(--muted); }
.revision-intro h1 + p { font-size: 13px; }
.revision-streak-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}
.revision-streak-metric,
.revision-calendar {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: var(--card-radius, 16px);
  background: var(--panel);
}
.revision-streak-metric {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: clamp(9px, 2vw, 15px);
}
.revision-streak-metric > span {
  display: grid;
  flex: none;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 11px;
  color: var(--accent-text);
  background: var(--accent-soft);
}
.revision-streak-metric:nth-child(2) > span { color: var(--amber); background: var(--amber-soft); }
.revision-streak-metric small,
.revision-streak-metric strong { display: block; line-height: 1.2; }
.revision-streak-metric small { margin-bottom: 3px; color: var(--muted); font-size: 11px; }
.revision-streak-metric strong { font-size: clamp(18px, 4vw, 25px); font-weight: 770; letter-spacing: -.03em; }
.revision-calendar { padding: clamp(10px, 2.5vw, 21px); }
.revision-calendar-header { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.revision-calendar-header h2 { margin: 0; font-size: 19px; letter-spacing: -.025em; }
.revision-calendar-header p,
.revision-day-detail p { font-size: 12px; }
.revision-calendar .revision-today { min-height: 34px; padding: 5px 9px; font-size: 12px; }
.revision-month-bar {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 36px;
  align-items: center;
  gap: 7px;
  margin: 12px 0 5px;
}
.revision-month-bar h3 { margin: 0; font-size: 15px; text-align: center; }
.revision-month-nav {
  display: grid;
  height: 36px;
  place-items: center;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--text);
  background: var(--field);
}
.revision-month-nav:enabled:hover { background: var(--panel-hover); }
.revision-month-nav .icon { width: 15px; height: 15px; }
.revision-month-nav.is-previous .icon { transform: rotate(90deg); }
.revision-month-nav.is-next .icon { transform: rotate(-90deg); }
.revision-calendar-grid { width: 100%; border-collapse: separate; border-spacing: 4px; table-layout: fixed; }
.revision-calendar-grid th { padding: 4px 0; color: var(--muted); font-size: 11px; font-weight: 670; }
.revision-calendar-grid abbr { text-decoration: none; }
.revision-calendar-grid td { padding: 0; }
.revision-day {
  display: grid;
  width: 100%;
  min-height: clamp(32px, 6vw, 52px);
  place-items: center;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  background: var(--field);
  font-size: 12px;
  font-weight: 680;
  font-variant-numeric: tabular-nums;
}
.revision-day:enabled:hover { border-color: var(--accent-text); }
.revision-day[aria-current="date"] span { text-decoration: underline; text-underline-offset: 3px; }
.revision-day[aria-pressed="true"] { box-shadow: inset 0 0 0 1px var(--accent-text); border-color: var(--accent-text); }
.revision-day:disabled { border-style: dashed; color: var(--muted); opacity: .62; }
.revision-legend [data-level="0"] { background: var(--field); }
.revision-day[data-level="1"], .revision-legend [data-level="1"] { background: var(--revision-low); }
.revision-day[data-level="2"], .revision-legend [data-level="2"] { background: var(--revision-mid); }
.revision-day[data-level="3"], .revision-legend [data-level="3"] { background: var(--revision-high); color: var(--revision-high-ink); }
.revision-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 5px 11px;
  margin: 7px 3px 11px;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 10px;
}
.revision-legend li { display: inline-flex; align-items: center; gap: 4px; }
.revision-legend li span { width: 11px; height: 11px; border: 1px solid var(--border); border-radius: 3px; }
.revision-day-detail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 4px 11px;
  min-height: 56px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-hi);
}
.revision-day-detail h3 { margin: 0; font-size: 13px; line-height: 1.25; }
.revision-day-detail strong { color: var(--green); font-size: 13px; }
.revision-calendar-note { display: flex; align-items: flex-start; gap: 6px; margin: 8px 1px 0; font-size: 11px; }
.revision-calendar-note .icon { width: 13px; height: 13px; margin-top: 2px; }
.revision-return { justify-self: start; }
@media (max-width: 360px) {
  .revision-streak-metric { gap: 6px; }
  .revision-streak-metric > span { width: 29px; height: 29px; }
  .revision-streak-metric > span .icon { width: 15px; height: 15px; }
  .revision-calendar-grid { border-spacing: 3px; }
  .revision-day { border-radius: 6px; }
  .revision-legend { justify-content: flex-start; }
}