.calendar {
  --cal-day-bg: var(--bulma-scheme-main-bis, #f5f5f5);
  --cal-edu: rgba(0, 0, 0, 0.05);
  --cal-noedu: rgba(0, 0, 0, 0.16);
  --cal-a1: #cfe8ff;
  --cal-a2: #e4d6ff;
  --cal-a3: #d2eec3;
  --cal-a4: #ffd9a8;
  --cal-a1-strong: #4da6ff;
  --cal-a2-strong: #9a6bff;
  --cal-a3-strong: #6bbf3f;
  --cal-a4-strong: #ff9d00;
  --cal-deadline: #d0021b;
  margin: 1.5rem 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem 1.25rem;
  align-items: start;
}

html.dark-mode .calendar {
  --cal-day-bg: hsl(var(--bulma-scheme-main-l), 0%, var(--bulma-scheme-main-bis-l));
  --cal-edu: rgba(255, 255, 255, 0.06);
  --cal-noedu: rgba(255, 255, 255, 0.15);
  --cal-a1: rgba(77, 166, 255, 0.22);
  --cal-a2: rgba(154, 107, 255, 0.24);
  --cal-a3: rgba(107, 191, 63, 0.22);
  --cal-a4: rgba(255, 157, 0, 0.24);
}

.cal-month { margin-bottom: 0; }

.cal-month-title {
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.cal-grid {
  display: grid;
  grid-template-columns: 2.2rem repeat(5, 1fr);
  gap: 3px;
}

.cal-wd {
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--bulma-text-weak);
  padding: 0.15rem 0.3rem;
}

.cal-day {
  position: relative;
  min-height: 2.4rem;
  border-radius: 4px;
  padding: 0.15rem 0.3rem;
  font-size: 0.8rem;
  border: 1px solid var(--bulma-border-weak);
  background: var(--cal-day-bg);
  cursor: default;
}

.cal-day:hover { box-shadow: 0 0 0 1px var(--bulma-text-weak); }

.cal-day.cal-empty {
  border-color: transparent;
  background: transparent;
  cursor: default;
}

.cal-dnum { display: block; font-weight: 600; }

.cal-tw {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  min-height: 2.4rem;
  padding: 0.15rem 0.3rem 0 0;
  font-size: 0.66rem;
  color: var(--bulma-text-weak);
  white-space: nowrap;
}

.cal-badges { display: flex; gap: 3px; margin-top: 2px; }
.cal-badge {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  text-indent: -9999px;
  overflow: hidden;
}
.badge-deadline { background: var(--cal-deadline); }
.badge-deadline-a0 { background: var(--cal-deadline); }
.badge-deadline-a1 { background: var(--cal-a1-strong); }
.badge-deadline-a34 { background: var(--cal-a3-strong); }

.cal-today { outline: 2px solid var(--bulma-link); outline-offset: 1px; }

.cal-day.phase-education { background: var(--cal-edu); }
.cal-day.phase-no-education { background: var(--cal-noedu); }
.cal-day.phase-a1 { background: var(--cal-a1); }
.cal-day.phase-a2 { background: var(--cal-a2); }
.cal-day.phase-a3 { background: var(--cal-a3); }
.cal-day.phase-a4 { background: var(--cal-a4); }

.calendar.hide-education .cal-day.phase-education,
.calendar.hide-no-education .cal-day.phase-no-education,
.calendar.hide-a1 .cal-day.phase-a1,
.calendar.hide-a2 .cal-day.phase-a2,
.calendar.hide-a3 .cal-day.phase-a3,
.calendar.hide-a4 .cal-day.phase-a4 { background: var(--cal-day-bg); }

.cal-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.9rem;
  margin-top: 0.5rem;
  grid-column: 1 / -1;
}

.cal-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid var(--bulma-border-weak);
  background: transparent;
  color: inherit;
  font-size: 0.85rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  cursor: pointer;
  opacity: 1;
}

.cal-chip .swatch {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 3px;
  border: 1px solid var(--bulma-border);
}
.cal-chip.phase-education .swatch { background: var(--cal-edu); }
.cal-chip.phase-no-education .swatch { background: var(--cal-noedu); }
.cal-chip.phase-a1 .swatch { background: var(--cal-a1-strong); }
.cal-chip.phase-a2 .swatch { background: var(--cal-a2-strong); }
.cal-chip.phase-a3 .swatch { background: var(--cal-a3-strong); }
.cal-chip.phase-a4 .swatch { background: var(--cal-a4-strong); }

.cal-chip.off { opacity: 0.4; }
.cal-chip.off .swatch { background: var(--cal-day-bg); }

.cal-tooltip {
  position: fixed;
  z-index: 1000;
  max-width: 22rem;
  background: var(--bulma-scheme-main);
  border: 1px solid var(--bulma-border);
  border-radius: 6px;
  padding: 0.5rem 0.7rem;
  font-size: 0.82rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
  display: none;
  pointer-events: none;
}

.cal-tooltip.visible { display: block; }

.cal-tooltip .tt-head { font-weight: 600; }
.cal-tooltip .tt-phases { margin-top: 0.2rem; }
.cal-tooltip .tt-holiday { margin-top: 0.2rem; color: var(--bulma-danger); }
.cal-tooltip .tt-dl { margin-top: 0.2rem; color: var(--bulma-danger); }

.cal-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 0.75rem;
}

.cal-tab {
  font: inherit;
  font-size: 0.9rem;
  padding: 0.4rem 1rem;
  border: 1px solid var(--bulma-border);
  border-radius: 999px;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.cal-tab:hover { border-color: var(--bulma-text-weak); }

.cal-tab .cal-tab-hint {
  margin-left: 0.3rem;
  font-size: 0.78em;
  opacity: 0.75;
}
.cal-tab.is-active .cal-tab-hint { opacity: 0.85; }

.cal-tab.is-active {
  background: var(--bulma-link, #005b9c);
  border-color: var(--bulma-link, #005b9c);
  color: #fff;
}

.cal-tab-pane { display: none; }
.cal-tab-pane.is-active { display: block; }

@media print {
  .calendar { display: block; margin: 0; }
  .cal-tooltip, .cal-legend, .cal-badges, .cal-tabs { display: none !important; }
}