/* ═══════════════════════════════════════════════════════
   Pattern Correlation Panel (pc-)
   ═══════════════════════════════════════════════════════ */

/* ── Panel wrapper ── */
.pc-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-ui);
}

/* ── Settings section ── */
.pc-settings {
  padding: 14px 16px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}

.pc-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
}

.pc-label {
  font-size: .85rem;
  font-weight: 500;
  color: var(--text);
}

.pc-input {
  width: 68px;
  height: 28px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-bright);
  font-family: var(--font-ui);
  font-size: .85rem;
  text-align: center;
  outline: none;
  transition: border-color var(--ease);
}
.pc-input:focus { border-color: var(--blue); }
.pc-input::-webkit-inner-spin-button,
.pc-input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }

/* Slider row */
.pc-slider-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}
.pc-slider {
  flex: 1;
  -webkit-appearance: none;
  height: 4px;
  background: var(--border-hi);
  border-radius: 2px;
  outline: none;
}
.pc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  background: var(--blue);
  border-radius: 50%;
  cursor: pointer;
}
.pc-slider-val {
  font-size: .82rem;
  color: var(--text-dim);
  min-width: 32px;
  text-align: right;
}

/* Accuracy pills */
.pc-pills {
  display: flex;
  gap: 4px;
}
.pc-pill {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--font-ui);
  font-size: .82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--ease);
}
.pc-pill:hover { background: var(--hover-subtle); }
.pc-pill.active {
  background: var(--pill-active-bg);
  color: var(--pill-active-color);
  border-color: transparent;
}

/* Year range slider */
.pc-year-slider {
  padding: 8px 0 4px;
}

/* Run button */
.pc-run-btn {
  width: 100%;
  margin-top: 12px;
  padding: 9px 0;
  background: var(--blue);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: var(--font-ui);
  font-size: .90rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--ease);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.pc-run-btn:hover { background: var(--blue-hover); }
.pc-run-btn:disabled {
  opacity: .5;
  cursor: not-allowed;
}
.pc-run-btn.loading {
  pointer-events: none;
  opacity: .7;
}

/* Spinner */
.pc-spinner {
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: pcSpin .6s linear infinite;
}
@keyframes pcSpin { to { transform: rotate(360deg); } }

/* ── Results section ── */
.pc-results {
  flex: 1;
  overflow-y: auto;
  padding: 0 12px 12px;
}

/* Header: selector + title */
.pc-results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0 6px;
  position: sticky;
  top: 0;
  background: var(--panel);
  z-index: 2;
}
.pc-ov-left {
  display: flex;
  align-items: center;
  gap: 4px;
  position: relative;
}
.pc-ov-select {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-bright);
  font-family: var(--font-ui);
  font-size: .82rem;
  padding: 3px 20px 3px 8px;
  cursor: pointer;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.pc-ov-arrow {
  position: absolute;
  right: 6px;
  font-size: .6rem;
  color: var(--text-dim);
  pointer-events: none;
}
.pc-ov-title {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-dim);
}

/* Performance Overview bar */
.pc-overview {
  display: flex;
  gap: 2px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}
.pc-ov-col {
  flex: 1;
  text-align: center;
}
.pc-ov-label {
  font-size: .82rem;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 2px;
}
.pc-ov-val {
  font-size: .90rem;
  font-weight: 700;
  font-family: var(--font-ui);
}
.pc-ov-val.pos { color: var(--green); }
.pc-ov-val.neg { color: var(--red); }
.pc-ov-pct {
  font-size: .82rem;
  color: var(--text-muted);
}

/* Pattern card — compact row */
.pc-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 8px;
  border-bottom: 1px solid var(--divider-soft);
  cursor: pointer;
  transition: background var(--ease);
}
.pc-card:hover { background: var(--hover-subtle); }
.pc-card.active { background: var(--blue-dim); }

.pc-card-sim {
  font-size: .85rem;
  font-weight: 700;
  color: var(--text-bright);
  font-family: var(--font-ui);
  min-width: 38px;
  flex-shrink: 0;
}
.pc-card-date {
  font-size: .82rem;
  color: var(--text-dim);
  min-width: 80px;
  flex-shrink: 0;
}

/* Performance squares */
.pc-card-squares {
  display: flex;
  gap: 3px;
  flex: 1;
  justify-content: center;
}
.pc-sq {
  width: 16px; height: 16px;
  border-radius: 3px;
  flex-shrink: 0;
  cursor: default;
}
.pc-sq.pos { background: var(--green); }
.pc-sq.neg { background: var(--red); }
.pc-sq.na { background: var(--border-hi); }

/* Add button */
.pc-card-add {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  font-size: .90rem;
  font-family: var(--font-ui);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--ease);
}
.pc-card-add:hover { border-color: var(--blue); color: var(--blue); }
.pc-card-add.on {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

/* Tooltip */
.pc-tooltip {
  position: fixed;
  display: none;
  background: var(--card);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  font-family: var(--font-ui);
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-bright);
  white-space: pre;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -100%);
  box-shadow: 0 4px 12px rgba(0,0,0,.4);
}

/* Empty / Error */
.pc-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  font-size: .90rem;
}
.pc-error {
  text-align: center;
  padding: 16px;
  color: var(--red);
  font-size: .85rem;
}