/* ============================================================
   portfolio-page.css — Portfolio / hedge dashboard, shell version.
   Extracted from the legacy portfolio.html inline <style>. Component styling on
   top of the shared style.css / chart-page.css tokens (var(--accent-blue) etc.).
   Loaded only by portfolio-terminal.php (via $tn_head), so the local .card /
   .section-title overrides don't affect other pages.
   ============================================================ */

.section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 30px;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  transition: var(--transition);
}
.card:hover {
  border-color: var(--accent-blue);
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.1);
}

/* Portfolio Overview */
.portfolio-header {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}
.portfolio-stat {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}
.portfolio-stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 10px;
  font-weight: 600;
}
.portfolio-stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 5px;
}
.portfolio-stat-change { font-size: 14px; font-weight: 600; }
.portfolio-stat-change.positive { color: var(--accent-green); }
.portfolio-stat-change.negative { color: var(--accent-red); }

/* Holdings Table */
.holdings-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}
.holdings-table thead { background: var(--bg-tertiary); }
.holdings-table th {
  padding: 12px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.holdings-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
  font-size: 13px;
  color: var(--text-primary);
}
.holdings-table tr:hover { background: rgba(37, 99, 235, 0.05); }

/* Charts */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 15px;
  margin-bottom: 15px;
}
.chart-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 15px;
}
.chart-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 15px;
  text-transform: uppercase;
}
.canvas-wrapper {
  position: relative;
  width: 100%;
  height: 260px;
  background: var(--bg-tertiary);
  border-radius: 6px;
  overflow: hidden;
}

/* Risk Dashboard */
.risk-signals {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 8px;
  margin-bottom: 20px;
}
.signal-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 10px 8px;
  text-align: center;
  transition: var(--transition);
}
.signal-item.triggered {
  border-color: var(--accent-red);
  background: rgba(239, 68, 68, 0.08);
}
.signal-item.safe {
  border-color: var(--accent-green);
  background: rgba(34, 197, 94, 0.08);
}
.signal-icon { font-size: 24px; margin-bottom: 8px; }
.signal-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
}
.signal-value { font-size: 13px; color: var(--text-primary); font-weight: 600; }

/* Gauge */
.gauge-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px;
}
.gauge-canvas { width: 140px; height: 140px; }
.gauge-label { text-align: center; }
.gauge-value { display: block; font-size: 32px; font-weight: 700; color: var(--text-primary); }
.gauge-regime { display: block; font-size: 14px; color: var(--text-secondary); margin-top: 5px; font-weight: 600; }

/* Recommendation Box */
.recommendation-box {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(6, 182, 212, 0.1));
  border: 1px solid var(--accent-blue);
  border-radius: 8px;
  padding: 25px;
  margin-bottom: 20px;
}
.recommendation-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.recommendation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 15px;
}
.recommendation-item {
  background: var(--bg-secondary);
  padding: 15px;
  border-radius: 6px;
  border-left: 3px solid var(--accent-blue);
}
.recommendation-item-label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 8px;
  font-weight: 600;
}
.recommendation-item-value { font-size: 22px; font-weight: 700; color: var(--text-primary); }

/* Greeks Display */
.greeks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 15px;
  margin-top: 20px;
}
.greek-box {
  background: var(--bg-tertiary);
  padding: 15px;
  border-radius: 6px;
  border-left: 3px solid var(--accent-blue);
}
.greek-label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 8px;
  font-weight: 600;
}
.greek-value { font-size: 18px; font-weight: 700; color: var(--accent-blue); margin-bottom: 8px; }
.greek-tooltip { font-size: 10px; color: var(--text-secondary); line-height: 1.4; }

/* Interactive Sliders */
.sliders-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 25px;
  margin-bottom: 30px;
}
.slider-group { margin-bottom: 25px; }
.slider-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
}
.slider-value { color: var(--accent-blue); font-weight: 700; }
.slider-input {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--border-color);
  outline: none;
  -webkit-appearance: none;
}
.slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-blue);
  cursor: pointer;
  transition: var(--transition);
}
.slider-input::-webkit-slider-thumb:hover {
  background: var(--accent-purple);
  box-shadow: 0 0 12px rgba(37, 99, 235, 0.5);
}
.slider-input::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-blue);
  cursor: pointer;
  border: none;
  transition: var(--transition);
}
.slider-input::-moz-range-thumb:hover {
  background: var(--accent-purple);
  box-shadow: 0 0 12px rgba(37, 99, 235, 0.5);
}
.slider-input::-moz-range-track { background: transparent; border: none; }

/* Live Greeks */
.live-greeks {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  margin-top: 20px;
}
.live-greeks-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 15px;
}

/* Education Box */
.education-box {
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid var(--accent-blue);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 15px;
}
.education-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 15px;
  text-transform: uppercase;
}
.education-text { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }

/* Hedging Summary */
.hedge-summary {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(37, 99, 235, 0.1));
  border: 1px solid var(--accent-green);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}
.hedge-summary-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-green);
  margin-bottom: 15px;
  text-transform: uppercase;
}
.hedge-pnl-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}
.hedge-pnl-item { background: var(--bg-secondary); padding: 12px; border-radius: 6px; text-align: center; }
.hedge-pnl-label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 8px;
  font-weight: 600;
}
.hedge-pnl-value { font-size: 24px; font-weight: 700; margin-bottom: 5px; }
.hedge-pnl-value.positive { color: var(--accent-green); }
.hedge-pnl-value.negative { color: var(--accent-red); }

/* Monte Carlo Stats */
.mc-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
  margin-top: 15px;
}
.mc-stat-box { background: var(--bg-tertiary); padding: 10px; border-radius: 6px; text-align: center; }
.mc-stat-label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 8px;
  font-weight: 600;
}
.mc-stat-value { font-size: 18px; font-weight: 700; color: var(--accent-blue); }

/* Risk Analytics */
.risk-analytics-section { margin-bottom: 30px; }
.risk-analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}
.risk-metric-box {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 15px;
  text-align: center;
}
.risk-metric-label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 8px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.risk-metric-value { font-size: 20px; font-weight: 700; }

/* Loading & Errors */
.loading-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-color);
  border-top: 2px solid var(--accent-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* Fill the shell width */
.tn-terminal .container, .tn-terminal .container-fluid { max-width: none; width: 100%; margin: 0; padding: 0; }

/* Responsive */
@media (max-width: 768px) {
  .portfolio-header { grid-template-columns: repeat(2, 1fr); }
  .charts-grid { grid-template-columns: 1fr; }
  .risk-signals { grid-template-columns: repeat(3, 1fr); }
  .greeks-grid { grid-template-columns: repeat(2, 1fr); }
  .recommendation-grid { grid-template-columns: 1fr; }
  .holdings-table { font-size: 12px; }
  .holdings-table th, .holdings-table td { padding: 8px; }
}
@media (max-width: 480px) {
  .portfolio-header { grid-template-columns: 1fr; }
  .risk-signals { grid-template-columns: repeat(2, 1fr); }
  .greeks-grid { grid-template-columns: 1fr; }
  .gauge-canvas { width: 120px; height: 120px; }
  .gauge-value { font-size: 24px; }
}