/* Tiered Demand Curve Estimator — page-specific styles */

.tier-config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 1rem 0;
}
@media (max-width: 720px) {
  .tier-config-grid { grid-template-columns: 1fr; }
}
.tier-config-grid .config-card {
  background: var(--app-bg);
  border: 1px solid var(--app-border);
  border-radius: 8px;
  padding: 1rem 1.1rem;
}
.tier-config-grid h4 {
  margin: 0 0 0.4rem 0;
  font-size: 1rem;
}
.tier-config-grid .muted {
  font-size: 0.875rem;
  margin: 0 0 0.6rem 0;
}

.outside-mode {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 0.4rem 0 0.6rem 0;
}
.outside-mode label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.92rem;
  cursor: pointer;
}
.market-size-input {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.35rem;
}
.market-size-input input {
  width: 10rem;
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--app-border);
  border-radius: 6px;
  font-size: 0.95rem;
}

.tier-order-list {
  list-style: none;
  padding: 0;
  margin: 0.4rem 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.tier-order-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.6rem;
  background: white;
  border: 1px solid var(--app-border);
  border-radius: 6px;
  font-size: 0.92rem;
}
.tier-order-list .order-badge {
  background: var(--app-accent);
  color: white;
  border-radius: 999px;
  padding: 0.05rem 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
}
.tier-order-list .move-buttons {
  margin-left: auto;
  display: flex;
  gap: 0.25rem;
}
.tier-order-list .move-buttons button {
  padding: 0.15rem 0.45rem;
  font-size: 0.85rem;
}

.advanced-toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin: 0.6rem 0;
  padding: 0.6rem 0.8rem;
  background: var(--app-bg);
  border: 1px solid var(--app-border);
  border-radius: 6px;
}
.advanced-toggle-row label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.92rem;
  cursor: pointer;
}
.advanced-toggle-row label.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#estimate-btn {
  margin-top: 0.8rem;
}

/* Results layout */
.results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
  margin-top: 1rem;
}
.results-card {
  background: var(--app-card-bg);
  border: 1px solid var(--app-border);
  border-radius: 8px;
  padding: 1rem 1.1rem;
}
.results-card h3 {
  margin: 0 0 0.6rem 0;
}

.coef-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.coef-table th,
.coef-table td {
  padding: 0.45rem 0.6rem;
  border-bottom: 1px solid var(--app-border);
  text-align: right;
}
.coef-table th:first-child,
.coef-table td:first-child {
  text-align: left;
}
.coef-table .sig-low { color: var(--app-success); font-weight: 600; }
.coef-table .sig-mid { color: var(--app-warning); font-weight: 600; }
.coef-table .sig-none { color: var(--app-muted); }

.method-tabs {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.6rem;
}
.method-tabs button {
  padding: 0.35rem 0.85rem;
  background: var(--app-bg);
  color: var(--app-text);
  border: 1px solid var(--app-border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
}
.method-tabs button:hover:not(.active),
.method-tabs button:focus-visible:not(.active) {
  background: #e8eef6;
  border-color: #b8c7dc;
  color: var(--app-text);
}
.method-tabs button.active {
  background: var(--app-accent);
  color: white;
  border-color: var(--app-accent);
  font-weight: 600;
}

.elasticity-heatmap-wrap,
.demand-curves-wrap,
.diagnostics-wrap {
  width: 100%;
  min-height: 320px;
}

.curve-tier-tabs {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}
.curve-tier-tabs button {
  padding: 0.3rem 0.75rem;
  background: var(--app-bg);
  color: var(--app-text);
  border: 1px solid var(--app-border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 500;
}
.curve-tier-tabs button:hover:not(.active),
.curve-tier-tabs button:focus-visible:not(.active) {
  background: #e8eef6;
  border-color: #b8c7dc;
  color: var(--app-text);
}
.curve-tier-tabs button.active {
  background: var(--app-accent);
  color: white;
  border-color: var(--app-accent);
  font-weight: 600;
}

.interpretation-block {
  background: #eef5ff;
  border-left: 4px solid var(--app-accent);
  padding: 0.85rem 1rem;
  border-radius: 4px;
  font-size: 0.95rem;
  line-height: 1.55;
}
.interpretation-block ul {
  margin: 0.4rem 0 0 1.2rem;
}
.interpretation-block code {
  background: rgba(0, 0, 0, 0.05);
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
}

/* Structured interpretation (renderInterpretation) */
.interp-block .interp-line { margin: 0.25rem 0; }
.interp-block .interp-h4 {
  margin: 0.9rem 0 0.4rem 0;
  font-size: 1rem;
  color: var(--app-text);
}
.interp-ok { color: var(--app-success); font-weight: 600; }
.interp-warn { color: var(--app-danger); font-weight: 600; }

.interp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin-top: 0.3rem;
  background: white;
  border-radius: 6px;
  overflow: hidden;
}
.interp-table th,
.interp-table td {
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--app-border);
  text-align: left;
  vertical-align: top;
}
.interp-table th {
  background: rgba(0, 0, 0, 0.03);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--app-muted);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.interp-table .interp-takeaway-col { width: 45%; }
.interp-table .interp-takeaway-cell { font-size: 0.88rem; }
.interp-dollar { font-size: 0.82rem; display: inline-block; margin-top: 0.2rem; }

.interp-bucket {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
}
.interp-bucket--good { background: #d8f1d6; color: #1f5d1c; }
.interp-bucket--mid  { background: #fff1c2; color: #7a5b00; }
.interp-bucket--warn { background: #fcd9d9; color: #842020; }

.interp-takeaways {
  margin: 0.3rem 0 0.2rem 1.2rem;
  padding: 0;
}
.interp-takeaways li { margin: 0.3rem 0; }

/* "How to read these results" callout above the results grid */
.results-howto {
  margin-bottom: 1rem;
}
.results-howto ul {
  margin: 0.3rem 0 0 1.2rem;
}
.results-howto li {
  margin: 0.2rem 0;
}

.warning-list {
  background: #fff8e6;
  border-left: 4px solid var(--app-warning);
  padding: 0.6rem 0.9rem;
  margin: 0.6rem 0;
  border-radius: 4px;
  font-size: 0.92rem;
}
.warning-list ul { margin: 0.3rem 0 0 1.2rem; }

.error-list {
  background: #fdecec;
  border-left: 4px solid var(--app-danger);
  padding: 0.6rem 0.9rem;
  margin: 0.6rem 0;
  border-radius: 4px;
  font-size: 0.92rem;
}
.error-list ul { margin: 0.3rem 0 0 1.2rem; }

/* Stale results (Standard 5): a setting or the data changed after the last estimate.
   The notice and the error list stay at full strength; the fitted output dims. */
.tde-results--stale .results-grid,
.tde-results--stale .results-howto {
  opacity: 0.45;
}
.tde-estimate--stale {
  box-shadow: 0 0 0 3px var(--app-warning);
}

.hidden { display: none !important; }

.mt-sm { margin-top: 0.6rem; }
.mt-md { margin-top: 0.8rem; }
.template-download-row { margin-top: 0.6rem; }
.outside-share-note { margin-top: 0.3rem; }

/* Scenario controls inside the dsc-panel scenario card */
.scenario-controls label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
}
.scenario-controls__input {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}
.scenario-controls__input select {
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--app-border);
  border-radius: 6px;
  font-size: 0.95rem;
  min-width: 16rem;
  flex: 1 1 16rem;
}
.scenario-info-box {
  margin-top: 0.85rem;
  padding: 0.75rem 0.9rem;
  background: var(--app-bg);
  border: 1px solid var(--app-border);
  border-radius: 6px;
}
.scenario-info-box h4 {
  margin: 0 0 0.3rem 0;
  font-size: 0.95rem;
}
.scenario-info-box p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--app-muted);
}

.kbd {
  display: inline-block;
  background: white;
  border: 1px solid var(--app-border);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 0.05rem 0.35rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85em;
}

/* ------------------------------------------------------------------ */
/* Fitted regression equation (inside the Coefficient estimates card) */
/* ------------------------------------------------------------------ */
.tde-equation {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  background: #f3f8ff;
  border: 1px solid var(--app-border);
  border-left: 4px solid var(--app-accent);
  border-radius: 6px;
}
.tde-equation__title {
  margin: 0 0 0.35rem 0;
  font-size: 1rem;
}
.tde-equation__intro,
.tde-equation__method,
.tde-equation__hint {
  font-size: 0.86rem;
  margin: 0.2rem 0;
}
.tde-equation__lines {
  margin: 0.4rem 0;
  overflow-x: auto;
}
.tde-equation__lines .MathJax,
.tde-equation__lines mjx-container {
  font-size: 1.02rem !important;
}

/* ------------------------------------------------------------------ */
/* Price simulator                                                    */
/* ------------------------------------------------------------------ */
.tde-sim { margin-top: 0.4rem; }

.tde-sim__controls {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 0.8rem;
}
.tde-sim__row {
  display: grid;
  grid-template-columns: minmax(7rem, 1.2fr) 2.5fr minmax(6.5rem, auto) minmax(6rem, auto);
  align-items: center;
  gap: 0.7rem;
  padding: 0.5rem 0.65rem;
  background: var(--app-bg);
  border: 1px solid var(--app-border);
  border-radius: 6px;
}
@media (max-width: 640px) {
  .tde-sim__row {
    grid-template-columns: 1fr 1fr;
    row-gap: 0.5rem;
  }
  .tde-sim__slider { grid-column: 1 / -1; order: 3; }
}
.tde-sim__label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.95rem;
}
.tde-sim__swatch {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 3px;
  display: inline-block;
  flex: none;
}
.tde-sim__slider {
  width: 100%;
  accent-color: var(--app-accent);
  cursor: pointer;
}
.tde-sim__price {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}
.tde-sim__currency { color: var(--app-muted); font-weight: 600; }
.tde-sim__num {
  width: 5.5rem;
  padding: 0.35rem 0.45rem;
  border: 1px solid var(--app-border);
  border-radius: 6px;
  font-size: 0.92rem;
}
.tde-sim__delta-price {
  font-size: 0.82rem;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.tde-sim__delta-price--up { color: #b23b3b; font-weight: 600; }
.tde-sim__delta-price--down { color: #1f5d1c; font-weight: 600; }

.tde-sim__actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-bottom: 0.7rem;
}
.tde-sim__method { font-size: 0.85rem; }

.tde-sim__output {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: start;
}
@media (max-width: 820px) {
  .tde-sim__output { grid-template-columns: 1fr; }
}
.tde-sim__chart { min-height: 300px; width: 100%; }

.tde-sim__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: white;
  border-radius: 6px;
  overflow: hidden;
}
.tde-sim__table th,
.tde-sim__table td {
  padding: 0.45rem 0.55rem;
  border-bottom: 1px solid var(--app-border);
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.tde-sim__table th:first-child,
.tde-sim__table td:first-child { text-align: left; }
.tde-sim__table th {
  background: rgba(0, 0, 0, 0.03);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--app-muted);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.tde-sim__outside-row td {
  background: rgba(0, 0, 0, 0.02);
  color: var(--app-muted);
}
.tde-sim__up { color: #1f5d1c; font-weight: 600; }
.tde-sim__down { color: #b23b3b; font-weight: 600; }

.tde-sim__caveat {
  font-size: 0.8rem;
  margin: 0.8rem 0 0 0;
}