/* Performance page (Step 5.1)
   Lightweight additions on top of frontend.css.
*/

.medexp-perf .medexp-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* Trend chart */
.medexp-perfChart {
  width: 100%;
  height: 260px;
  position: relative;
}

.medexp-perfChart svg {
  width: 100%;
  height: 260px;
  display: block;
}

.medexp-perfChart__tip {
  position: absolute;
  left: 0;
  top: 0;
  transform: translate(-50%, -115%);
  background: var(--medexp-bg, #fff);
  border: 1px solid var(--medexp-border, #e5e7eb);
  border-radius: var(--medexp-radius-md, 12px);
  padding: 8px 10px;
  font-size: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  z-index: 5;
  display: none;
  min-width: 160px;
  color: var(--medexp-text, #111827);
  line-height: 1.35;
  pointer-events: none;
}

.medexp-perfChart__tip strong {
  display: block;
  font-weight: 700;
  margin-bottom: 2px;
}

.medexp-perfChart__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
  padding-bottom: 4px;
  font-size: 12px;
}

.medexp-perfChart__dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
  margin-right: 6px;
  vertical-align: middle;
  border: 2px solid currentColor;
}

/* Responsive controls */
@media (max-width: 820px) {
  .medexp-perf .medexp-card .medexp-grid {
    grid-template-columns: 1fr !important;
  }
}

/* === Filters layout hardening (prevents overlaps from theme/global CSS) === */
.medexp-perf .medexp-perfFiltersGrid{
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
  align-items: start;
}
@media (max-width: 980px){
  .medexp-perf .medexp-perfFiltersGrid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px){
  .medexp-perf .medexp-perfFiltersGrid{ grid-template-columns: 1fr; }
}

/* Ensure labels + selects don't overflow their grid tracks */
.medexp-perf .medexp-label{
  display:flex;
  flex-direction:column;
  gap: .35rem;
  min-width: 0;
}
.medexp-perf .medexp-label > select,
.medexp-perf select.medexp-select{
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding: .7rem .85rem;
  line-height: 1.4;
  height: auto;
  overflow: visible;
  text-overflow: ellipsis;
}


/* === UWorld-style statistics panel === */
.medexp-perfStatsGrid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--medexp-space-2);
}
@media (max-width: 900px){
  .medexp-perfStatsGrid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px){
  .medexp-perfStatsGrid{ grid-template-columns: 1fr; }
}

.medexp-perfStat{
  border: 1px solid var(--medexp-border);
  background: var(--medexp-surface);
  border-radius: var(--medexp-radius-md);
  padding: var(--medexp-space-3);
}

.medexp-perfStat__title{
  font-weight: 700;
  margin-bottom: var(--medexp-space-2);
}

.medexp-perfList{
  display:flex;
  flex-direction:column;
  gap: 8px;
}

.medexp-perfRow{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap: 12px;
  font-size: var(--medexp-text-sm);
  color: var(--medexp-text);
}

.medexp-perfRow > span:first-child{
  color: var(--medexp-muted);
}

.medexp-perfValue{
  font-weight: 700;
  color: var(--medexp-text);
}

.medexp-perfDonutWrap{
  display:flex;
  gap: var(--medexp-space-3);
  align-items:center;
}

.medexp-perfDonutSolo{
  display:flex;
  justify-content:center;
}

.medexp-perfDonut{
  position:relative;
  width: 128px;
  height: 128px;
  flex: 0 0 auto;
}

.medexp-perfDonut svg{
  width: 128px;
  height: 128px;
  transform: rotate(-90deg);
}

.medexp-perfDonut__ring{
  fill: transparent;
  stroke: var(--medexp-border);
  stroke-width: 3.25;
}

.medexp-perfDonut__seg{
  fill: transparent;
  stroke: var(--medexp-primary);
  stroke-width: 3.25;
  stroke-linecap: round;
}

.medexp-perfDonut[data-kind="used"] .medexp-perfDonut__seg{
  stroke: var(--medexp-success);
}

.medexp-perfDonut__center{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
}

.medexp-perfDonut__pct{
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1;
  color: var(--medexp-text);
}

.medexp-perfDonut__label{
  margin-top: 4px;
  font-size: var(--medexp-text-sm);
  color: var(--medexp-muted);
}

/* Skeleton stat card title */
.medexp-perfStat .medexp-perfStat__title[style*="color:transparent"]{
  background:linear-gradient(90deg, rgba(148,163,184,.18) 25%, rgba(148,163,184,.35) 37%, rgba(148,163,184,.18) 63%);
  background-size:400% 100%;
  animation:medexpShimmer 1.2s ease-in-out infinite;
  border-radius:8px;
  width:60%;
  height:16px;
  color:transparent !important;
}