/* xDateFilter -- date-range picker button + popup (presets + two-month
   calendar). The button intentionally matches this page's plain <select>
   styling exactly (height, border, radius, font-size) so it reads as the
   same kind of control, not a mismatched native input. */
.xdatefilter { position: relative; display: inline-block; }

.xdatefilter-button {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  box-sizing: border-box;
  padding: 0 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  min-width: 190px;
}
.xdatefilter-button:hover { border-color: var(--color-text-muted); }
.xdatefilter.opened .xdatefilter-button { border-color: var(--color-primary); }

.xdatefilter-icon,
.xdatefilter-arrow {
  display: flex;
  flex-shrink: 0;
  color: var(--color-text-muted);
}
.xdatefilter-icon svg,
.xdatefilter-arrow svg { width: 16px; height: 16px; }
.xdatefilter-arrow { margin-left: auto; transition: transform var(--transition-fast); }
.xdatefilter.opened .xdatefilter-arrow { transform: rotate(180deg); }

.xdatefilter-range-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  text-align: left;
}

.xdatefilter-popup {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  z-index: 40;
  grid-template-columns: auto 1fr;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.xdatefilter.opened .xdatefilter-popup { display: grid; }
.xdatefilter-popup.align-right { left: auto; right: 0; }

.xdatefilter-popup-presets {
  display: flex;
  flex-direction: column;
  padding: 8px;
  gap: 2px;
  border-right: 1px solid var(--color-border);
  min-width: 140px;
}
.xdatefilter-popup-preset {
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--color-text);
  cursor: pointer;
  white-space: nowrap;
}
.xdatefilter-popup-preset:hover { background: var(--color-bg-alt); }
.xdatefilter-popup-preset.active { background: var(--color-primary-soft); color: var(--color-primary); font-weight: 600; }

.xdatefilter-calendars {
  display: grid;
  grid-template-columns: auto 1fr 1fr auto;
  align-items: start;
  gap: 4px 18px;
  padding: 16px;
}
.xdatefilter-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  margin-top: 2px;
}
.xdatefilter-nav svg { width: 16px; height: 16px; }
.xdatefilter-nav:hover { background: var(--color-bg-alt); color: var(--color-text); }

.xdatefilter-month { width: 224px; }
.xdatefilter-month-header {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}
.xdatefilter-month-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}
.xdatefilter-weekday {
  text-align: center;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-muted);
  padding-bottom: 4px;
}
.xdatefilter-day {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 30px;
  font-size: 0.8rem;
  color: var(--color-text);
  cursor: pointer;
  border-radius: var(--radius-sm);
}
.xdatefilter-day:empty { cursor: default; }
.xdatefilter-day:not(:empty):hover { background: var(--color-bg-alt); }
.xdatefilter-day.today { font-weight: 700; color: var(--color-primary); }
.xdatefilter-day.in-range { background: var(--color-primary-soft); border-radius: 0; }
.xdatefilter-day.start,
.xdatefilter-day.end {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  font-weight: 600;
}
.xdatefilter-day.start { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.xdatefilter-day.end { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.xdatefilter-day.start.end { border-radius: var(--radius-sm); }

.xdatefilter-popup-footer {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}
.xdatefilter-range-label { font-size: 0.82rem; color: var(--color-text-muted); }
.xdatefilter-popup-actions { display: flex; gap: 8px; }
.xdatefilter-btn {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
}
.xdatefilter-btn-cancel {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text-muted);
}
.xdatefilter-btn-cancel:hover { background: var(--color-bg-alt); }
.xdatefilter-btn-apply {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}
.xdatefilter-btn-apply:hover { background: var(--color-primary-hover); }

@media (max-width: 640px) {
  .xdatefilter-popup { position: fixed; top: auto; bottom: 0; left: 0; right: 0; border-radius: var(--radius-md) var(--radius-md) 0 0; }
  .xdatefilter-calendars { grid-template-columns: auto 1fr auto; }
  .xdatefilter-month + .xdatefilter-month { display: none; }
  .xdatefilter-popup-presets { flex-direction: row; flex-wrap: wrap; border-right: none; border-bottom: 1px solid var(--color-border); }
}