/* ============================================================
   OIL DEMAND — sector × region demand simulation
   Inherits the .ep shell palette/typography (oil-demand sits inside
   a .ep .od wrapper). Adds .od-* surfaces for the interactive model.
   ============================================================ */
.od {
  --od-up:     #2f6f4f;
  --od-down:   #b5532f;
  --od-key:    #2b5560;
  --od-input:  #2f5d8a;
  --od-input-bg: #fff8e1;
  --od-input-br: #e7d9a8;
}

/* ---- formula chip in lede ---- */
.od-formula {
  font-family: var(--ep-mono);
  font-size: 12px;
  background: var(--ep-tint);
  border: 1px solid var(--ep-rule-soft);
  padding: 1px 6px;
  border-radius: 3px;
  white-space: nowrap;
  color: var(--ep-ink-2);
}
.od-formula sup, .od-formula sub { font-size: 9px; }

/* ===================================================================
   SECTIONS
   =================================================================== */
.od-section {
  margin-top: 30px;
  border-top: 1px solid var(--ep-rule-soft);
  padding-top: 20px;
}
.od-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.od-h2 {
  font-family: var(--ep-serif);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ep-ink);
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.od-h2-num {
  font-family: var(--ep-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--ep-accent);
  letter-spacing: 0.08em;
}
.od-section-tag {
  font-family: var(--ep-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ep-ink-mute);
  border: 1px solid var(--ep-rule);
  padding: 3px 8px;
  border-radius: 3px;
}
.od-legend {
  font-family: var(--ep-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--ep-ink-mute);
  display: flex;
  align-items: center;
  gap: 6px;
}
.od-legend-chip {
  width: 11px; height: 11px;
  display: inline-block;
  border-radius: 2px;
  margin-left: 10px;
}
.od-legend-chip:first-child { margin-left: 0; }
.od-legend-chip--input { background: var(--od-input-bg); border: 1px solid var(--od-input-br); }
.od-legend-chip--calc  { background: var(--ep-tint); border: 1px solid var(--ep-rule); }

.od-reset {
  font-family: var(--ep-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ep-ink-mute);
  border: 1px solid var(--ep-rule);
  padding: 6px 12px;
  border-radius: 4px;
  background: var(--ep-paper);
  transition: all 0.14s ease;
}
.od-reset.is-active { color: var(--ep-accent); border-color: var(--ep-accent); }
.od-reset.is-active:hover { background: var(--ep-accent); color: #fff; }
.od-reset:disabled { opacity: 0.45; cursor: default; }

/* ===================================================================
   SCENARIO TOGGLE
   =================================================================== */
.od-scen-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}
.od-scen {
  text-align: left;
  border: 1px solid var(--ep-rule);
  border-radius: 6px;
  padding: 12px 13px;
  background: var(--ep-paper);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all 0.14s ease;
  position: relative;
}
.od-scen:hover { border-color: var(--ep-accent); }
.od-scen.is-active {
  border-color: var(--ep-accent);
  background: var(--ep-accent);
  box-shadow: 0 2px 10px rgba(40, 76, 84, 0.18);
}
.od-scen-label {
  font-family: var(--ep-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--ep-ink);
}
.od-scen.is-active .od-scen-label,
.od-scen.is-active .od-scen-mult,
.od-scen.is-active .od-scen-note { color: #fff; }
.od-scen-mult {
  font-family: var(--ep-mono);
  font-size: 10px;
  letter-spacing: 0.03em;
  color: var(--ep-accent);
}
.od-scen-note {
  font-size: 11px;
  color: var(--ep-ink-mute);
  line-height: 1.3;
}

/* ===================================================================
   RESULT TILES
   =================================================================== */
.od-tiles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.od-tile {
  border: 1px solid var(--ep-rule);
  border-radius: 6px;
  padding: 14px 15px;
  background: var(--ep-paper);
  border-left: 3px solid var(--ep-rule);
}
.od-tile--key  { border-left-color: var(--od-key); background: linear-gradient(180deg, #f3f8f9, var(--ep-paper)); }
.od-tile--up   { border-left-color: var(--od-up); }
.od-tile--down { border-left-color: var(--od-down); }
.od-tile-label {
  font-family: var(--ep-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ep-ink-mute);
}
.od-tile-value {
  font-family: var(--ep-serif);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.1;
  margin-top: 6px;
  color: var(--ep-ink);
  letter-spacing: -0.02em;
}
.od-tile--key .od-tile-value  { color: var(--od-key); }
.od-tile--up .od-tile-value   { color: var(--od-up); }
.od-tile--down .od-tile-value { color: var(--od-down); }
.od-tile-unit {
  font-family: var(--ep-mono);
  font-size: 12px;
  font-weight: 500;
  margin-left: 5px;
  color: var(--ep-ink-mute);
  letter-spacing: 0;
}
.od-tile-sub {
  font-size: 11px;
  color: var(--ep-ink-mute);
  margin-top: 5px;
}

/* ===================================================================
   ASSUMPTIONS
   =================================================================== */
.od-assume-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.od-panel {
  border: 1px solid var(--ep-rule);
  border-radius: 6px;
  background: var(--ep-paper);
  padding: 14px 15px 16px;
}
.od-panel--wide { grid-column: 1 / -1; }
.od-panel-head {
  font-family: var(--ep-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ep-ink-dim);
  margin-bottom: 12px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--ep-rule-soft);
}
.od-panel-foot {
  font-size: 11px;
  color: var(--ep-ink-mute);
  line-height: 1.45;
  margin-top: 11px;
}

/* ---- sliders ---- */
.od-slider { margin-bottom: 13px; }
.od-slider:last-child { margin-bottom: 0; }
.od-slider-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 5px;
}
.od-slider-label { font-size: 13px; font-weight: 500; color: var(--ep-ink-2); }
.od-slider-val {
  font-family: var(--ep-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--od-input);
  background: var(--od-input-bg);
  border: 1px solid var(--od-input-br);
  padding: 1px 7px;
  border-radius: 3px;
  min-width: 56px;
  text-align: right;
}
.od-slider-note { font-size: 10.5px; color: var(--ep-ink-mute); margin-top: 4px; }

.od-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--ep-accent) 0 var(--od-fill, 50%), var(--ep-tint) var(--od-fill, 50%) 100%);
  outline: none;
  cursor: pointer;
}
.od-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 15px; height: 15px;
  border-radius: 50%;
  background: var(--ep-paper);
  border: 2px solid var(--ep-accent);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.od-range::-moz-range-thumb {
  width: 15px; height: 15px;
  border-radius: 50%;
  background: var(--ep-paper);
  border: 2px solid var(--ep-accent);
}

/* ---- elasticity matrix ---- */
.od-matrix-scroll { overflow-x: auto; }
.od-matrix {
  border-collapse: collapse;
  width: 100%;
  min-width: 460px;
}
.od-matrix th, .od-matrix td {
  border: 1px solid var(--ep-rule-soft);
  padding: 4px 6px;
}
.od-matrix thead th {
  font-family: var(--ep-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ep-ink-dim);
  background: var(--ep-tint);
  text-align: center;
}
.od-matrix-corner { text-align: left !important; }
.od-matrix-row {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ep-ink-2);
  text-align: left;
  white-space: nowrap;
}
.od-cellinput {
  font-family: var(--ep-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--od-input);
  background: var(--od-input-bg);
  border: 1px solid var(--od-input-br);
  border-radius: 3px;
  width: 100%;
  min-width: 52px;
  padding: 3px 5px;
  text-align: center;
  -moz-appearance: textfield;
}
.od-cellinput:focus {
  outline: none;
  border-color: var(--od-input);
  box-shadow: 0 0 0 2px rgba(47, 93, 138, 0.18);
}

/* ===================================================================
   DEMAND MODEL TABLE
   =================================================================== */
.od-table-scroll { overflow-x: auto; border: 1px solid var(--ep-rule); border-radius: 6px; }
.od-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 760px;
  background: var(--ep-paper);
}
.od-table th, .od-table td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--ep-rule-soft);
  text-align: right;
}
.od-table thead th {
  font-family: var(--ep-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--ep-ink-dim);
  background: var(--ep-tint);
  text-align: center;
  border-bottom: 1px solid var(--ep-rule);
}
.od-table-region { border-left: 1px solid var(--ep-rule); }
.od-table-world  { color: var(--ep-accent-2); }
.od-table-sub th { font-size: 10px; padding: 3px 10px; }
.od-table-sector {
  text-align: left !important;
  font-weight: 500;
  font-size: 13px;
  color: var(--ep-ink-2);
  white-space: nowrap;
  position: sticky;
  left: 0;
  background: var(--ep-paper);
  z-index: 1;
}
.od-table thead .od-table-sector { background: var(--ep-tint); z-index: 2; }
.od-num { font-family: var(--ep-mono); font-size: 12.5px; color: var(--ep-ink-2); }
.od-col-30 { background: rgba(43, 85, 96, 0.05); }
.od-num-strong { font-weight: 600; color: var(--ep-ink); }
.od-table tfoot .od-num-strong.od-col-30 { color: var(--od-key); }

.od-table-total th, .od-table-total td {
  border-top: 2px solid var(--ep-rule);
  border-bottom: none;
  font-weight: 700;
  background: var(--ep-tint);
}
.od-table-total .od-num { color: var(--ep-ink); font-weight: 700; }

.od-ev-flag {
  font-family: var(--ep-mono);
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--od-up);
  background: #e4f0e9;
  border: 1px solid #bcdcca;
  border-radius: 3px;
  padding: 0 4px;
  margin-left: 7px;
  vertical-align: middle;
}
.od-table-foot, .od-cmp-foot {
  font-size: 11.5px;
  color: var(--ep-ink-mute);
  line-height: 1.5;
  margin-top: 11px;
}
.od-table-foot b { color: var(--ep-ink-2); font-family: var(--ep-mono); font-size: 11px; }

/* ===================================================================
   IEA COMPARISON
   =================================================================== */
.od-cmp { display: flex; flex-direction: column; gap: 9px; }
.od-cmp-row {
  display: grid;
  grid-template-columns: 110px 1fr 64px;
  align-items: center;
  gap: 12px;
}
.od-cmp-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--ep-ink-2);
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}
.od-cmp-label small {
  font-family: var(--ep-mono);
  font-size: 9.5px;
  letter-spacing: 0.03em;
  color: var(--ep-ink-mute);
  font-weight: 400;
}
.od-cmp-track {
  background: var(--ep-tint);
  border-radius: 4px;
  height: 28px;
  position: relative;
  overflow: hidden;
}
.od-cmp-bar {
  height: 100%;
  background: var(--ep-ink-mute);
  border-radius: 4px 0 0 4px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 38px;
  transition: width 0.25s ease;
}
.od-cmp-bar--you { background: var(--od-key); }
.od-cmp-val {
  font-family: var(--ep-mono);
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  padding-right: 9px;
}
.od-cmp-delta {
  font-family: var(--ep-mono);
  font-size: 12.5px;
  font-weight: 700;
  text-align: right;
  color: var(--ep-ink-mute);
}
.od-cmp-delta.is-up { color: var(--od-down); }   /* above IEA = more oil */
.od-cmp-delta.is-down { color: var(--od-up); }    /* below IEA = less oil */
.od-cmp-row--you .od-cmp-label { font-weight: 700; }

/* ===================================================================
   SENSITIVITY TORNADO
   =================================================================== */
.od-tornado { display: flex; flex-direction: column; gap: 7px; }
.od-torn-row {
  display: grid;
  grid-template-columns: 168px 1fr 58px;
  align-items: center;
  gap: 12px;
}
.od-torn-label {
  font-size: 12.5px;
  color: var(--ep-ink-2);
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.od-torn-track {
  position: relative;
  height: 22px;
  background: var(--ep-tint);
  border-radius: 3px;
}
.od-torn-axis {
  position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 1px;
  background: var(--ep-rule);
  z-index: 2;
}
.od-torn-bar {
  position: absolute;
  top: 3px; bottom: 3px;
  border-radius: 2px;
}
.od-torn-bar--pos { background: var(--od-down); border-radius: 0 2px 2px 0; }  /* more oil */
.od-torn-bar--neg { background: var(--od-up); border-radius: 2px 0 0 2px; }    /* less oil */
.od-torn-range {
  font-family: var(--ep-mono);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ep-ink-dim);
  text-align: right;
}

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width: 1080px) {
  .od-scen-row { grid-template-columns: repeat(2, 1fr); }
  .od-tiles { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .od-assume-grid { grid-template-columns: 1fr; }
  .od-scen-row, .od-tiles { grid-template-columns: 1fr; }
  .od-cmp-row { grid-template-columns: 88px 1fr 52px; gap: 8px; }
  .od-torn-row { grid-template-columns: 120px 1fr 48px; gap: 8px; }
}