/* Calendar — modern flat design */
.calendar-app {
  display: grid;
  grid-template-columns: 1fr 240px;
  grid-template-rows: auto 1fr;
  height: 100%;
  background: var(--space-bg-window, var(--surface-solid));
}

.calendar-toolbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--space-border-subtle, rgba(0,0,0,0.06));
}

.calendar-month {
  flex: 1;
  text-align: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--space-text-primary, #111827);
  letter-spacing: -0.02em;
}

.calendar-nav {
  width: 32px;
  height: 32px;
  border: 1px solid var(--space-border-default, rgba(0,0,0,0.1));
  border-radius: var(--space-radius-md, 8px);
  background: var(--space-bg-card, #fff);
  font-size: 18px;
  cursor: default;
  color: var(--space-text-primary, #111827);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.1s ease, border-color 0.15s ease;
}

.calendar-nav:hover {
  background: var(--space-bg-hover, rgba(0,0,0,0.04));
  border-color: var(--space-border-strong, rgba(0,0,0,0.14));
}

.calendar-grid {
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  align-content: start;
}

.calendar-weekday {
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--space-text-tertiary, #9ca3af);
  padding: 6px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.calendar-cell {
  aspect-ratio: 1;
  min-height: 44px;
  border: none;
  border-radius: var(--space-radius-md, 8px);
  background: transparent;
  cursor: default;
  font: inherit;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  position: relative;
  transition: background 0.1s ease;
}

.calendar-cell:hover:not(.empty) {
  background: var(--space-bg-hover, rgba(0,0,0,0.04));
}

.calendar-cell.today .calendar-day-num {
  background: var(--space-accent, #0066ff);
  color: var(--space-text-inverse, #fff);
  border-radius: 50%;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(0, 102, 255, 0.25);
}

.calendar-cell.selected:not(.empty) {
  background: var(--space-accent-soft, rgba(0,102,255,0.12));
  outline: 2px solid var(--space-accent, #0066ff);
  outline-offset: -2px;
}

.calendar-cell.empty {
  pointer-events: none;
}

.calendar-dots {
  font-size: 8px;
  color: var(--space-accent, #0066ff);
  letter-spacing: 1px;
}

.calendar-day-panel {
  border-left: 1px solid var(--space-border-subtle, rgba(0,0,0,0.06));
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
}

.calendar-day-panel h3 {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--space-text-primary, #111827);
  text-transform: capitalize;
}

.calendar-event-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  border-radius: var(--space-radius-md, 8px);
  background: var(--space-bg-card, #fff);
  border: 1px solid var(--space-border-default, rgba(0,0,0,0.1));
}

.calendar-event-form.hidden {
  display: none;
}

.calendar-event-form input,
.calendar-event-form textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--space-border-default, rgba(0,0,0,0.1));
  border-radius: var(--space-radius-sm, 8px);
  font-size: 13px;
  background: var(--space-bg-card, #fff);
  color: var(--space-text-primary, #111827);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

[data-theme="dark"] .calendar-event-form input,
[data-theme="dark"] .calendar-event-form textarea {
  background: var(--space-bg-input, #1c1c1e);
}

.calendar-event-form input:focus,
.calendar-event-form textarea:focus {
  border-color: var(--space-accent, #0066ff);
  outline: none;
  box-shadow: 0 0 0 3px var(--space-accent-soft, rgba(0,102,255,0.1));
}

.calendar-form-actions {
  display: flex;
  gap: 6px;
}

.calendar-events {
  list-style: none;
  flex: 1;
  overflow-y: auto;
}

.calendar-event {
  position: relative;
  padding: 12px 32px 12px 12px;
  margin-bottom: 8px;
  border-radius: var(--space-radius-md, 8px);
  background: var(--space-bg-card, #fff);
  border: 1px solid var(--space-border-subtle, rgba(0,0,0,0.06));
  font-size: 13px;
  box-shadow: var(--space-shadow-xs, 0 1px 2px rgba(0,0,0,0.04));
}

[data-theme="dark"] .calendar-event {
  background: var(--space-bg-card, #2a2a2d);
  border-color: var(--space-border-subtle, rgba(255,255,255,0.06));
}

.calendar-event-time {
  display: block;
  font-size: 11px;
  color: var(--space-accent, #0066ff);
  font-weight: 600;
  margin-bottom: 4px;
}

.calendar-event p {
  margin-top: 4px;
  font-size: 12px;
  color: var(--space-text-secondary, #6b7280);
  line-height: 1.4;
}

.calendar-event-del {
  position: absolute;
  top: 8px;
  right: 6px;
  border: none;
  background: transparent;
  font-size: 16px;
  cursor: default;
  color: var(--space-text-tertiary, #9ca3af);
  line-height: 1;
  padding: 4px;
  border-radius: var(--space-radius-sm, 4px);
  transition: background 0.1s ease, color 0.1s ease;
}

.calendar-event-del:hover {
  color: var(--space-error, #dc2626);
  background: var(--space-error-soft, rgba(220,38,38,0.1));
}

.calendar-empty {
  color: var(--space-text-tertiary, #9ca3af);
  font-size: 12px;
  padding: 8px 0;
}

.calendar-remind-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--space-text-secondary, #6b7280);
  margin-top: 8px;
}

.calendar-remind-select {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid var(--space-border-default, rgba(0,0,0,0.1));
  border-radius: var(--space-radius-sm, 8px);
  font-size: 12px;
  background: var(--space-bg-card, #fff);
  color: var(--space-text-primary, #111827);
  transition: border-color 0.15s ease;
}

.calendar-remind-banner {
  font-size: 11px;
  color: var(--space-text-secondary, #6b7280);
  padding: 10px 12px;
  border-radius: var(--space-radius-md, 8px);
  background: var(--space-info-soft, rgba(14,165,233,0.08));
  border: 1px solid var(--space-info-soft, rgba(14,165,233,0.15));
  margin: 0;
}

.calendar-remind-banner.hidden {
  display: none;
}

@media (max-width: 640px) {
  .calendar-app {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
  }

  .calendar-day-panel {
    border-left: none;
    border-top: 1px solid var(--space-border-subtle, rgba(0,0,0,0.06));
    max-height: 160px;
  }
}