/* ============================================================
   DESIGN SYSTEM — Inteligencia Vaca Muerta
   Jupyter-light palette · Bloomberg density · Cell numbering
   ============================================================ */

/* --- Tokens ------------------------------------------------ */
:root {
  --vm-bg:          #ffffff;
  --vm-cell-bg:     #f8f9fa;
  --vm-cell-border: #e5e7eb;
  --vm-cell-accent: #3b82f6;
  --vm-text:        #1a1b25;
  --vm-muted:       #6b7280;
  --vm-border:      #e0e0e0;
  --vm-radius:      3px;

  --vm-blue:    #2563eb;
  --vm-green:   #059669;
  --vm-red:     #dc2626;
  --vm-orange:  #d97706;
  --vm-purple:  #7c3aed;
  --vm-cyan:    #0891b2;
  --vm-pink:    #db2777;

  --vm-up:   var(--vm-green);
  --vm-down: var(--vm-red);

  --vm-font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  --vm-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  --pico-font-size: 91%;
  --pico-font-family: var(--vm-font-sans);
}

html { background: var(--vm-bg); }

/* --- Layout ------------------------------------------------ */
.container { max-width: 1800px; }

/* --- Nav (notebook toolbar) -------------------------------- */
header.container nav {
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--vm-border);
  font-size: 0.8rem;
}
.logo {
  font-family: var(--vm-font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  letter-spacing: -0.03em;
}
nav a.active { font-weight: bold; text-decoration: underline; }

#month-selector {
  font-family: var(--vm-font-mono);
  font-size: 0.75rem;
  padding: 0.2rem 0.4rem;
}

/* --- Cell system (Jupyter-style) --------------------------- */
main.container { counter-reset: cell; }

.cell {
  counter-increment: cell;
  position: relative;
  padding: 0.75rem 0.75rem 0.75rem 5rem;
  margin-bottom: 0.5rem;
  background: var(--vm-cell-bg);
  border: 1px solid var(--vm-cell-border);
  border-left: 3px solid var(--vm-cell-accent);
  border-radius: var(--vm-radius);
}
.cell::before {
  content: "In [" counter(cell) "]:";
  position: absolute;
  left: 0.5rem;
  top: 0.75rem;
  font-family: var(--vm-font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--vm-cell-accent);
  white-space: nowrap;
}
.cell h2, .cell h3 {
  font-family: var(--vm-font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.4rem 0;
  color: var(--vm-text);
}
.cell h3 { font-size: 0.85rem; }
.cell p { margin: 0.25rem 0; font-size: 0.8rem; }

.cell-output {
  position: relative;
  padding: 0.5rem 0.75rem 0.5rem 5rem;
  margin-top: -1px;
  margin-bottom: 0.5rem;
  background: var(--vm-bg);
  border: 1px solid var(--vm-cell-border);
  border-left: 3px solid var(--vm-green);
  border-radius: var(--vm-radius);
}
.cell-output::before {
  content: "Out[" counter(cell) "]:";
  position: absolute;
  left: 0.4rem;
  top: 0.5rem;
  font-family: var(--vm-font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--vm-green);
  white-space: nowrap;
}

/* --- KPI grid ---------------------------------------------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.kpi-card {
  background: var(--vm-bg);
  border: 1px solid var(--vm-cell-border);
  border-radius: var(--vm-radius);
  padding: 0.5rem 0.75rem;
}
.kpi-card .label {
  font-size: 0.65rem;
  color: var(--vm-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.kpi-card .value {
  font-family: var(--vm-font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--vm-text);
}
.kpi-card .delta { font-family: var(--vm-font-mono); font-size: 0.75rem; }
.kpi-card .delta.up   { color: var(--vm-up); }
.kpi-card .delta.down { color: var(--vm-down); }

/* --- Scorecard table --------------------------------------- */
.scorecard-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
  font-family: var(--vm-font-mono);
}
.scorecard-table th {
  cursor: pointer;
  user-select: none;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--vm-muted);
  padding: 0.3rem 0.5rem;
  border-bottom: 2px solid var(--vm-border);
  text-align: left;
}
.scorecard-table th:hover { color: var(--vm-blue); }
.scorecard-table td {
  padding: 0.25rem 0.5rem;
  border-bottom: 1px solid var(--vm-cell-border);
}
.scorecard-table tr { cursor: pointer; }
.scorecard-table tr:hover { background: #eef2ff; }
.scorecard-table tbody tr:nth-child(even) { background: var(--vm-cell-bg); }
.scorecard-table tbody tr:nth-child(even):hover { background: #eef2ff; }

/* --- Chart container --------------------------------------- */
.chart-container { position: relative; height: 280px; margin: 0.5rem 0; }

/* --- Cards (signal / opportunity) -------------------------- */
.signal-card,
.opportunity-card {
  background: var(--vm-cell-bg);
  border: 1px solid var(--vm-cell-border);
  border-left: 3px solid var(--vm-cell-accent);
  border-radius: var(--vm-radius);
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
}
.signal-card h3,
.opportunity-card h3 {
  font-size: 0.85rem;
  margin: 0 0 0.25rem 0;
}
.signal-card .lead-time,
.opportunity-card .lead-time {
  font-family: var(--vm-font-mono);
  font-size: 0.7rem;
  color: var(--vm-muted);
  margin-bottom: 0.25rem;
}
.signal-card blockquote,
.opportunity-card blockquote {
  font-size: 0.75rem;
  border-left-color: var(--vm-cell-accent);
  margin: 0.25rem 0 0 0;
  padding: 0.25rem 0.5rem;
  color: var(--vm-muted);
}

/* --- Anomaly rows ------------------------------------------ */
.anomaly-row {
  border-left: 4px solid;
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.35rem;
  border-radius: 0 var(--vm-radius) var(--vm-radius) 0;
  background: var(--vm-cell-bg);
  border-right:  1px solid var(--vm-cell-border);
  border-top:    1px solid var(--vm-cell-border);
  border-bottom: 1px solid var(--vm-cell-border);
  font-size: 0.8rem;
}
.anomaly-row strong { font-family: var(--vm-font-mono); font-size: 0.75rem; }
.anomaly-row.severity-red    { border-left-color: var(--vm-red); }
.anomaly-row.severity-yellow { border-left-color: var(--vm-orange); }
.anomaly-row.severity-orange { border-left-color: var(--vm-pink); }
.anomaly-row.severity-green  { border-left-color: var(--vm-green); }
.anomaly-row .detail {
  margin-top: 0.15rem;
  font-family: var(--vm-font-mono);
  font-size: 0.72rem;
  color: var(--vm-muted);
}

/* --- Skeleton loader --------------------------------------- */
.skeleton-card {
  background: linear-gradient(90deg, var(--vm-cell-bg) 25%, #e5e7eb 50%, var(--vm-cell-bg) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--vm-radius);
  border: 1px solid var(--vm-cell-border);
  border-left: 3px solid var(--vm-cell-accent);
  min-height: 80px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  font-family: var(--vm-font-mono);
  font-size: 0.8rem;
  color: var(--vm-muted);
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* --- Operator header --------------------------------------- */
.operator-header {
  margin-bottom: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--vm-border);
}
.operator-header h1 {
  margin-bottom: 0.15rem;
  font-size: 1.1rem;
  font-family: var(--vm-font-mono);
}
.operator-header .props {
  display: flex;
  gap: 1.5rem;
  color: var(--vm-muted);
  font-family: var(--vm-font-mono);
  font-size: 0.75rem;
}

/* --- News card --------------------------------------------- */
.news-card {
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--vm-cell-border);
  font-size: 0.8rem;
}
.news-card:last-child { border-bottom: none; }
.news-card .source { font-size: 0.7rem; color: var(--vm-muted); }

/* --- Filters ----------------------------------------------- */
.filters {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.78rem;
  font-family: var(--vm-font-mono);
}
.filters label { display: flex; align-items: center; gap: 0.25rem; }
.filters input[type="checkbox"] { margin: 0; width: 14px; height: 14px; }

/* --- Footer ------------------------------------------------ */
.site-footer {
  margin-top: 1.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--vm-border);
  font-size: 0.7rem;
  color: var(--vm-muted);
  font-family: var(--vm-font-mono);
}

/* --- Subtitle / muted paragraph ---------------------------- */
.subtitle { color: var(--vm-muted); font-size: 0.8rem; }
.lead-time {
  font-family: var(--vm-font-mono);
  font-size: 0.7rem;
  color: var(--vm-muted);
  margin-bottom: 0.25rem;
}

/* --- Data explorer (schema grid, table links, badges) ------ */
.schema-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.5rem;
}
.table-link {
  display: block;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--vm-cell-border);
  border-left: 3px solid var(--vm-cell-accent);
  border-radius: var(--vm-radius);
  text-decoration: none;
  font-size: 0.8rem;
}
.table-link:hover {
  border-left-color: var(--vm-blue);
  background: #eef2ff;
}
.table-link .name {
  font-family: var(--vm-font-mono);
  font-weight: 600;
  font-size: 0.8rem;
}
.table-link .meta {
  font-size: 0.72rem;
  color: var(--vm-muted);
  margin-top: 0.15rem;
}
.table-link .preview { font-size: 0.7rem; margin-top: 0.15rem; }
.table-link + .table-link { margin-top: 0.35rem; }

.badge {
  font-family: var(--vm-font-mono);
  font-size: 0.65rem;
  padding: 0.1rem 0.35rem;
  border-radius: 2px;
  background: #e5e7eb;
  color: var(--vm-muted);
}

/* --- Chart area (data explorer chart tab) ------------------ */
.chart-area { height: 320px; margin: 0.5rem 0; }
.x-col { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; margin-bottom: 0.5rem; font-size: 0.8rem; }

/* --- Data tables (dense) ----------------------------------- */
table {
  font-size: 0.78rem;
  font-family: var(--vm-font-mono);
}
table th {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.5rem;
}
table td { padding: 0.2rem 0.5rem; }

/* --- Pagination -------------------------------------------- */
.pagination {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
  margin: 0.5rem 0;
  font-family: var(--vm-font-mono);
  font-size: 0.75rem;
}
.pagination button {
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-family: var(--vm-font-mono);
}

/* --- Sort headers ------------------------------------------ */
.sort-header { cursor: pointer; user-select: none; white-space: nowrap; }
.sort-header:hover { color: var(--vm-blue); }
.sort-header::after  { content: " \21C5"; font-size: 0.6rem; opacity: 0.4; }
.sort-header.asc::after  { content: " \2191"; opacity: 1; }
.sort-header.desc::after { content: " \2193"; opacity: 1; }

/* --- Spinner (htmx) ---------------------------------------- */
.spinner { display: none; }
.htmx-request .spinner { display: inline; }
.htmx-request.btn-spinner { display: inline; }

/* --- Inline helpers ---------------------------------------- */
.empty-state { text-align: center; padding: 1rem; font-size: 0.8rem; color: var(--vm-muted); }
.mb-1  { margin-bottom: 0.5rem; }
.mt-05 { margin-top: 0.25rem; }
.ml-05 { margin-left: 0.5rem; }
.gap-row { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; margin: 0.5rem 0; }
.max-w-search { max-width: 200px; font-size: 0.8rem; }
.max-w-select { max-width: 100px; font-size: 0.8rem; }
.float-right { float: right; }

/* --- Price strip (below nav) ------------------------------- */
.price-strip {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  padding: 0.2rem 0;
  border-bottom: 1px solid var(--vm-cell-border);
  font-family: var(--vm-font-mono);
  font-size: 0.7rem;
  color: var(--vm-muted);
  overflow-x: auto;
  white-space: nowrap;
}
.price-strip .ticker {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.price-strip .ticker-label { font-weight: 600; color: var(--vm-text); }
.price-strip .ticker-value { font-weight: 700; }
.price-strip .ticker-delta { font-size: 0.65rem; }
.price-strip .ticker-delta.up { color: var(--vm-up); }
.price-strip .ticker-delta.down { color: var(--vm-down); }

/* --- Sparkline (inline mini chart) ------------------------- */
.sparkline-wrap {
  display: inline-block;
  vertical-align: middle;
  margin-left: 0.35rem;
}
.sparkline-wrap canvas { display: block; }

/* --- Delta badge ------------------------------------------- */
.delta-badge {
  display: inline-block;
  font-family: var(--vm-font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.1rem 0.3rem;
  border-radius: 2px;
  margin-left: 0.3rem;
  vertical-align: middle;
}
.delta-badge.up { background: #dcfce7; color: #166534; }
.delta-badge.down { background: #fee2e2; color: #991b1b; }
.delta-badge.neutral { background: #f3f4f6; color: var(--vm-muted); }

/* --- Stacked area chart container (taller) ----------------- */
.chart-container-lg { position: relative; height: 380px; margin: 0.5rem 0; }

/* --- Map container ----------------------------------------- */
.map-container {
  position: relative;
  height: 600px;
  margin: 0.5rem 0;
  border: 1px solid var(--vm-cell-border);
  border-radius: var(--vm-radius);
  z-index: 1;
}
.map-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.4rem 0;
  font-family: var(--vm-font-mono);
  font-size: 0.7rem;
}
.map-legend .legend-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.map-legend .legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
}

/* --- Leaderboard table (efficiency page) ------------------- */
.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.75rem;
  font-family: var(--vm-font-mono);
}
.leaderboard-table th {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--vm-muted);
  padding: 0.3rem 0.5rem;
  border-bottom: 2px solid var(--vm-border);
  text-align: right;
  cursor: pointer;
  user-select: none;
}
.leaderboard-table th:first-child,
.leaderboard-table th:nth-child(2) { text-align: left; }
.leaderboard-table th:hover { color: var(--vm-blue); }
.leaderboard-table td {
  padding: 0.25rem 0.5rem;
  border-bottom: 1px solid var(--vm-cell-border);
  text-align: right;
}
.leaderboard-table td:first-child,
.leaderboard-table td:nth-child(2) { text-align: left; }
.leaderboard-table tr:hover { background: #eef2ff; }
.leaderboard-table tbody tr:nth-child(even) { background: var(--vm-cell-bg); }
.leaderboard-table tbody tr:nth-child(even):hover { background: #eef2ff; }
.leaderboard-table .rank-1 { color: var(--vm-green); font-weight: 700; }
.leaderboard-table .rank-2 { color: var(--vm-blue); font-weight: 600; }
.leaderboard-table .rank-3 { color: var(--vm-orange); font-weight: 600; }

/* --- Metric pill (operator page scores) -------------------- */
.metric-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
  font-family: var(--vm-font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  border: 1px solid var(--vm-cell-border);
  background: var(--vm-cell-bg);
}
.metric-pill.good { border-left: 3px solid var(--vm-green); }
.metric-pill.warn { border-left: 3px solid var(--vm-orange); }
.metric-pill.bad  { border-left: 3px solid var(--vm-red); }

/* --- Two-column layout for side-by-side charts ------------- */
.chart-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

/* --- Tab bar (inline) -------------------------------------- */
.tab-bar {
  display: flex;
  gap: 0;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--vm-cell-border);
}
.tab-bar button {
  font-family: var(--vm-font-mono);
  font-size: 0.72rem;
  padding: 0.3rem 0.75rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  color: var(--vm-muted);
}
.tab-bar button.active {
  color: var(--vm-blue);
  border-bottom-color: var(--vm-blue);
  font-weight: 600;
}
.tab-bar button:hover { color: var(--vm-text); }

/* --- Responsive -------------------------------------------- */
@media (max-width: 768px) {
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .cell { padding-left: 0.75rem; }
  .cell::before { display: none; }
  .cell-output { padding-left: 0.75rem; }
  .cell-output::before { display: none; }
  .chart-grid-2 { grid-template-columns: 1fr; }
  .map-container { height: 400px; }
  .price-strip { gap: 0.75rem; font-size: 0.65rem; }
}
@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
}