/* ── Provenance System CSS ─────────────────────────────────────────────── */
/* Part of DS Factory Data Apps — ProvenanceManager v1                      */

:root {
  --prov-bg: #1a1a2e;
  --prov-border: #2a2a4a;
  --prov-header-color: #4a90d9;
  --prov-query-bg: #0D0D0D;
  --prov-query-border: #1f2937;
  --prov-text: #d1d5db;
  --prov-muted: #6b7280;
  --prov-close-hover: #fff;
  --prov-btn-hover-color: #4a90d9;
  --prov-btn-hover-bg: rgba(74, 144, 217, 0.08);
  --prov-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  --prov-radius: 12px;
  --prov-transition: 150ms ease-out;
}

/* ── ⓘ Button ────────────────────────────────────────────────────────────── */
.prov-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--prov-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  cursor: pointer;
  transition: color var(--prov-transition), background var(--prov-transition), border-color var(--prov-transition);
  padding: 0;
  vertical-align: middle;
  line-height: 1;
  font-family: inherit;
  flex-shrink: 0;
}

.prov-btn:hover {
  color: var(--prov-btn-hover-color);
  background: var(--prov-btn-hover-bg);
  border-color: rgba(74, 144, 217, 0.2);
}

.prov-btn:focus-visible {
  outline: 2px solid var(--prov-btn-hover-color);
  outline-offset: 2px;
}

/* Metric box: absolute top-right */
.metric-box { position: relative; }
.metric-box .prov-btn {
  position: absolute;
  top: 10px;
  right: 10px;
}

/* Stat card: absolute top-right */
.stat-card { position: relative; }
.stat-card .prov-btn {
  position: absolute;
  top: 12px;
  right: 12px;
}

/* Chart block: absolute top-right */
.chart-block { position: relative; }
.chart-block .prov-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 10;
}

/* Model panel: absolute top-right */
.model-panel { position: relative; }
.model-panel .prov-btn {
  position: absolute;
  top: 16px;
  right: 16px;
}

/* ── Popover Container ───────────────────────────────────────────────────── */
.prov-popover {
  position: fixed;
  z-index: 9999;
  background: var(--prov-bg);
  border: 1px solid var(--prov-border);
  border-radius: var(--prov-radius);
  box-shadow: var(--prov-shadow);
  width: 480px;
  max-width: calc(100vw - 32px);
  max-height: 70vh;
  overflow-y: auto;
  padding: 0;
  animation: prov-fadein 150ms ease-out;
}

@keyframes prov-fadein {
  from { opacity: 0; transform: scale(0.96) translateY(-4px); }
  to   { opacity: 1; transform: scale(1)    translateY(0); }
}

/* Popover header */
.prov-popover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--prov-border);
  position: sticky;
  top: 0;
  background: var(--prov-bg);
  z-index: 1;
}

.prov-popover-header-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--prov-header-color);
}

.prov-popover-header-title .prov-icon {
  font-size: 14px;
  line-height: 1;
}

.prov-popover-close {
  background: transparent;
  border: none;
  color: var(--prov-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  transition: color var(--prov-transition);
  font-family: inherit;
}

.prov-popover-close:hover { color: var(--prov-close-hover); }
.prov-popover-close:focus-visible {
  outline: 2px solid var(--prov-header-color);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Popover body */
.prov-popover-body {
  padding: 20px;
}

/* Fact statement */
.prov-fact {
  font-size: 17px;
  font-weight: 600;
  color: var(--text, #e2e8f0);
  line-height: 1.4;
  margin-bottom: 16px;
}

/* Section label */
.prov-section-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--prov-header-color);
  margin-bottom: 6px;
  margin-top: 16px;
}

.prov-section-label:first-child { margin-top: 0; }

/* Description text */
.prov-desc {
  font-size: 14px;
  color: var(--prov-text);
  line-height: 1.65;
}

/* Interpretation text */
.prov-interpretation {
  font-size: 14px;
  color: var(--prov-text);
  line-height: 1.65;
  font-style: italic;
}

/* Query block */
.prov-query {
  background: var(--prov-query-bg);
  border: 1px solid var(--prov-query-border);
  border-radius: 8px;
  padding: 14px 16px;
  margin: 8px 0;
  overflow-x: auto;
}

.prov-query pre {
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 12px;
  color: #9ca3af;
  line-height: 1.6;
  white-space: pre;
  margin: 0;
}

/* Copy buttons row */
.prov-copy-row {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  margin-bottom: 4px;
}

.prov-copy-btn {
  font-family: inherit;
  font-size: 11px;
  padding: 4px 12px;
  background: transparent;
  border: 1px solid var(--prov-border);
  border-radius: 6px;
  color: var(--prov-muted);
  cursor: pointer;
  transition: color var(--prov-transition), border-color var(--prov-transition), background var(--prov-transition);
}

.prov-copy-btn:hover {
  color: var(--prov-text);
  border-color: var(--prov-header-color);
  background: rgba(74, 144, 217, 0.06);
}

.prov-copy-btn:focus-visible {
  outline: 2px solid var(--prov-header-color);
  outline-offset: 2px;
}

.prov-copy-btn.copied {
  color: #22c55e;
  border-color: #22c55e;
}

/* Methodology footer */
.prov-methodology {
  font-size: 12px;
  color: var(--prov-muted);
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--prov-border);
  line-height: 1.6;
}

/* Mobile: bottom sheet */
@media (max-width: 560px) {
  .prov-popover {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100%;
    max-height: 80vh;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-top-left-radius: 16px;
    border-top-right-radius: 16px;
    animation: prov-slideup 200ms ease-out;
  }

  @keyframes prov-slideup {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
  }
}

/* Scrollbar styling */
.prov-popover::-webkit-scrollbar { width: 6px; }
.prov-popover::-webkit-scrollbar-track { background: transparent; }
.prov-popover::-webkit-scrollbar-thumb { background: var(--prov-border); border-radius: 3px; }
.prov-popover::-webkit-scrollbar-thumb:hover { background: #3a3a5a; }