/* =====================================================================
   Columns popover — collapsible groups
   ===================================================================== */
.colpop {
  position: fixed;
  z-index: 1200;
  width: 540px;
  max-height: min(72vh, 720px);
  display: flex;
  flex-direction: column;
  background: rgba(18,18,20,0.96);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.55), 0 2px 8px rgba(0,0,0,0.35);
  backdrop-filter: blur(14px) saturate(140%);
  color: rgba(245,245,245,0.92);
  overflow: hidden;
}
:root[data-theme="light"] .colpop {
  background: rgba(255,255,255,0.96);
  border-color: rgba(0,0,0,0.08);
  color: rgba(20,20,22,0.92);
}

.colpop__head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px;
  padding: 12px 16px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
:root[data-theme="light"] .colpop__head { border-bottom-color: rgba(0,0,0,0.06); }
.colpop__title {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(245,245,245,0.55);
}
:root[data-theme="light"] .colpop__title { color: rgba(20,20,22,0.55); }
.colpop__hint {
  font-size: 11px;
  color: rgba(245,245,245,0.4);
}
:root[data-theme="light"] .colpop__hint { color: rgba(20,20,22,0.45); }

.colpop__groups {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 4px 0;
}

.colpop__group { border-bottom: 1px solid rgba(255,255,255,0.04); }
.colpop__group:last-child { border-bottom: 0; }
:root[data-theme="light"] .colpop__group { border-bottom-color: rgba(0,0,0,0.04); }

.colpop__group-head {
  width: 100%;
  display: grid;
  grid-template-columns: 18px 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  color: inherit;
  transition: background 120ms ease;
}
.colpop__group-head:hover:not(:disabled) { background: rgba(255,255,255,0.03); }
:root[data-theme="light"] .colpop__group-head:hover:not(:disabled) { background: rgba(0,0,0,0.03); }
.colpop__group-head:disabled { cursor: default; opacity: 0.85; }

.colpop__caret {
  width: 18px; height: 18px;
  display: inline-flex; align-items: center; justify-content: center;
  color: rgba(245,245,245,0.55);
  transform: rotate(-90deg);
  transition: transform 160ms ease;
}
.colpop__group.is-open .colpop__caret { transform: rotate(0deg); }
.colpop__group-head:disabled .colpop__caret { transform: rotate(0deg); opacity: 0.5; }
:root[data-theme="light"] .colpop__caret { color: rgba(20,20,22,0.55); }

.colpop__group-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.005em;
}
.colpop__group-sub {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 10.5px;
  color: rgba(245,245,245,0.4);
  letter-spacing: 0.04em;
}
:root[data-theme="light"] .colpop__group-sub { color: rgba(20,20,22,0.5); }
.colpop__group-count {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 10.5px;
  color: rgba(245,245,245,0.5);
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.06);
}
:root[data-theme="light"] .colpop__group-count {
  color: rgba(20,20,22,0.55);
  background: rgba(0,0,0,0.04);
  border-color: rgba(0,0,0,0.06);
}

.colpop__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 0 8px 8px;
}

.colpop__item {
  display: grid;
  grid-template-columns: 14px 18px 1fr;
  align-items: center;
  gap: 8px;
  padding: 7px 8px;
  border-radius: 7px;
  cursor: grab;
  transition: background 120ms ease;
  position: relative;
}
.colpop__item:hover { background: rgba(255,255,255,0.04); }
:root[data-theme="light"] .colpop__item:hover { background: rgba(0,0,0,0.04); }
.colpop__item.is-dragging { opacity: 0.4; cursor: grabbing; }
.colpop__item.is-dropbefore::before,
.colpop__item.is-dropafter::after {
  content: "";
  position: absolute;
  left: 8px; right: 8px;
  height: 2px;
  background: var(--accent, #FA3A05);
  border-radius: 2px;
}
.colpop__item.is-dropbefore::before { top: -1px; }
.colpop__item.is-dropafter::after { bottom: -1px; }

.colpop__grip {
  font-size: 10px;
  letter-spacing: -1px;
  color: rgba(245,245,245,0.3);
  user-select: none;
  line-height: 1;
}
:root[data-theme="light"] .colpop__grip { color: rgba(20,20,22,0.35); }

.colpop__check {
  width: 16px; height: 16px;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.18);
  background: transparent;
  display: inline-flex; align-items: center; justify-content: center;
  color: #0a0a0a;
  cursor: pointer;
  padding: 0;
  transition: background 120ms, border-color 120ms;
}
.colpop__check.is-checked {
  background: var(--accent, #FA3A05);
  border-color: var(--accent, #FA3A05);
  color: #fff;
}
.colpop__check.is-locked {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.6);
  cursor: default;
}
:root[data-theme="light"] .colpop__check { border-color: rgba(0,0,0,0.22); }

.colpop__label {
  font-size: 12.5px;
  color: rgba(245,245,245,0.85);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
:root[data-theme="light"] .colpop__label { color: rgba(20,20,22,0.85); }

.colpop__reset {
  flex: 0 0 auto;
  margin: 0;
  padding: 11px 16px;
  background: transparent;
  border: 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  color: rgba(245,245,245,0.7);
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  cursor: pointer;
  text-align: left;
  transition: background 120ms ease, color 120ms ease;
}
.colpop__reset:hover { background: rgba(255,255,255,0.04); color: rgba(245,245,245,0.95); }
:root[data-theme="light"] .colpop__reset {
  border-top-color: rgba(0,0,0,0.06);
  color: rgba(20,20,22,0.7);
}
:root[data-theme="light"] .colpop__reset:hover { background: rgba(0,0,0,0.04); color: rgba(20,20,22,0.95); }