/* ── Shared Dashboard Components ─────────────────────────────────────────────
   Namespaced with db- prefix. Used by both estimator and proposer.
   Assumes host app provides CSS custom properties:
     --navy, --navy-mid, --navy-light, --red, --teal, --teal-dark,
     --off-white, --border, --text-main, --text-muted,
     --mono, --display, --body
   ────────────────────────────────────────────────────────────────────────── */

/* ── Stat Bar (4-cell KPI row) ─────────────────────────────────────────── */
.db-stat-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 16px;
}
.db-stat-cell {
  padding: 20px 24px;
  border-right: 1px solid var(--border);
}
.db-stat-cell:last-child { border-right: none; }
.db-stat-tag {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  font-family: var(--display);
  margin-bottom: 6px;
}
.db-stat-value {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 500;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 4px;
}
.db-stat-sub {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--body);
  line-height: 1.4;
}
@media (max-width: 768px) {
  .db-stat-bar { grid-template-columns: 1fr 1fr; }
  .db-stat-cell { border-right: none; }
  .db-stat-cell:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
  .db-stat-cell:nth-child(odd) { border-right: 1px solid var(--border); }
}

/* ── TCO 4-Card Grid ───────────────────────────────────────────────────── */
.db-tco4-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.db-tco4-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}
.db-tco4-title {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
}
.db-tco4-total {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--text-main, var(--navy));
  letter-spacing: -0.5px;
}
.db-tco4-lines {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--body);
}
.db-tco4-lines span {
  display: flex;
  justify-content: space-between;
}
.db-tco4-lines span b {
  font-family: var(--mono);
  font-weight: 400;
  color: var(--text-main, var(--navy));
  font-size: 12px;
}
.db-tco4-card.lowest {
  border-color: var(--teal-dark);
  background: var(--teal);
}
.db-tco4-card.lowest .db-tco4-total {
  color: var(--teal-dark);
}
.db-tco4-badge {
  display: none;
  position: absolute;
  top: -10px;
  right: 12px;
  background: var(--teal-dark);
  color: #fff;
  font-family: var(--display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 4px;
}
.db-tco4-card.lowest .db-tco4-badge {
  display: block;
}
@media (max-width: 640px) {
  .db-tco4-grid { grid-template-columns: 1fr; }
  .db-tco4-total { font-size: 18px; }
}

/* ── Stream Cards (Energy / R&M / CapEx) ───────────────────────────────── */
.db-stream-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.db-stream-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  position: relative;
  overflow: hidden;
}
.db-stream-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}
.db-stream-card.energy::after  { background: var(--navy); }
.db-stream-card.rm::after      { background: var(--red); }
.db-stream-card.capex::after   { background: var(--teal-dark); }
.db-stream-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-family: var(--display);
  margin-bottom: 12px;
}
.db-stream-value {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 2px;
}
.db-stream-sub {
  font-size: 10px;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.db-stream-compare {
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-muted);
}
.db-stream-compare-line {
  padding: 3px 0;
}
.db-stream-compare-line strong { color: var(--text-muted); font-weight: 600; }
.db-stream-compare-line.wi strong { color: var(--teal-dark); font-weight: 600; }
@media (max-width: 640px) {
  .db-stream-grid { grid-template-columns: 1fr; }
}

/* ── Year-by-Year Breakdown Table ──────────────────────────────────────── */
.db-year-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-bottom: 16px;
}
.db-year-table th {
  background: var(--navy);
  color: rgba(255,255,255,0.85);
  font-family: var(--display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 10px 8px;
  text-align: center;
}
.db-year-table td {
  padding: 8px;
  border-bottom: 1px solid var(--border);
  text-align: center;
  font-family: var(--mono);
  font-size: 12px;
}
.db-year-table tbody tr:last-child td {
  font-weight: 700;
  border-top: 2px solid var(--navy);
  background: var(--off-white);
}
.db-year-table tbody tr:hover { background: #FAFAFF; }

/* ── Inputs Bar (tweakable deal parameters) ────────────────────────────── */
.db-inputs-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 16px;
  align-items: flex-end;
}
.db-input-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
}
.db-input-group label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  font-family: var(--display);
}
.db-input-group input,
.db-input-group select {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--navy);
  border: 1.5px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  background: #fff;
  outline: none;
  width: 110px;
  transition: border-color 0.15s;
}
.db-input-group select {
  font-family: var(--body);
  width: 90px;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%237070A0'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 24px;
}
.db-input-group input:focus,
.db-input-group select:focus {
  border-color: var(--navy-mid);
  box-shadow: 0 0 0 2px rgba(13,13,107,0.08);
}
.db-input-group.modified {
  border-left: 3px solid #3B82F6;
  padding-left: 8px;
}
.db-input-group .db-reset-btn {
  position: absolute;
  top: 0;
  right: -6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #3B82F6;
  color: #fff;
  border: none;
  font-size: 10px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  line-height: 1;
  padding: 0;
}
.db-input-group.modified .db-reset-btn {
  display: flex;
}

/* ── Derived Strip (read-only portfolio summary) ───────────────────────── */
.db-derived-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  padding: 0;
  background: var(--navy);
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  font-family: var(--body);
  overflow: hidden;
}
.db-derived-strip .db-pill {
  flex: 1 1 0;
  text-align: center;
  padding: 14px 12px;
  border-right: 1px solid rgba(255,255,255,0.12);
  line-height: 1;
}
.db-derived-strip .db-pill:last-child { border-right: none; }
.db-derived-strip .db-pill-value {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  font-family: var(--mono);
  margin-bottom: 4px;
}
.db-derived-strip .db-pill-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: var(--display);
  font-weight: 600;
}

/* ── Chart Grid ────────────────────────────────────────────────────────── */
.db-chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.db-chart-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  min-height: 0;
}
.db-chart-card.full-width {
  grid-column: 1 / -1;
}
.db-chart-card canvas {
  width: 100%;
  display: block;
}
@media (max-width: 768px) {
  .db-chart-grid { grid-template-columns: 1fr; }
}

/* ── Section heading (used within review) ──────────────────────────────── */
.db-section-heading {
  font-family: var(--display);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
  margin-bottom: 12px;
  margin-top: 24px;
}
.db-section-heading:first-child { margin-top: 0; }