/* BUHODEX UI Components
   Depends on: tokens.css, base.css
   ------------------------------------------------ */

/* =============================================
   STATUS BADGE
   Variants: running, paused, error, stopped
   ============================================= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.badge--running {
  background: rgba(39, 82, 141, 0.12);
  color: var(--steel-blue);
}
.badge--running::before { background: var(--steel-blue); }

.badge--paused {
  background: rgba(211, 155, 42, 0.12);
  color: var(--warning);
}
.badge--paused::before { background: var(--warning); }

.badge--error {
  background: rgba(196, 61, 61, 0.12);
  color: var(--negative);
}
.badge--error::before { background: var(--negative); }

.badge--stopped {
  background: rgba(92, 104, 128, 0.10);
  color: var(--text-secondary);
}
.badge--stopped::before { background: var(--text-secondary); }

.badge--read-only {
  background: rgba(77, 147, 184, 0.12);
  color: var(--soft-steel);
}
.badge--read-only::before { background: var(--soft-steel); }

.badge--circuit-breaker {
  background: rgba(196, 61, 61, 0.12);
  color: var(--negative);
}
.badge--circuit-breaker::before { background: var(--negative); }

/* =============================================
   METRIC CARD
   ============================================= */
.metric-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metric-card__label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.metric-card__value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.metric-card__trend {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
}

.metric-card__trend--positive {
  color: var(--positive);
}

.metric-card__trend--negative {
  color: var(--negative);
}

.metric-card__trend--neutral {
  color: var(--text-secondary);
}

/* Paused slot visual distinction */
.metric-card--paused {
  border-color: var(--warning);
  background: color-mix(in srgb, var(--warning) 6%, var(--card-bg));
}

/* Grid helper for metric cards */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

/* =============================================
   TABLE
   ============================================= */
.table-container {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.table-container__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--table-border);
}

.table-container__title {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
}

table.bx-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

table.bx-table th {
  text-align: left;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--text-secondary);
  background: var(--paper);
  border-bottom: 1px solid var(--table-border);
  white-space: nowrap;
  cursor: default;
  user-select: none;
}

table.bx-table th.sortable {
  cursor: pointer;
}

table.bx-table th.sortable:hover {
  color: var(--steel-blue);
}

table.bx-table th.sortable::after {
  content: " \2195";
  font-size: 0.625rem;
  opacity: 0.4;
}

table.bx-table td {
  padding: 8px 16px;
  border-bottom: 1px solid var(--table-border);
  vertical-align: middle;
}

table.bx-table tr:nth-child(even) td {
  background: var(--table-alt-row);
}

table.bx-table tr:hover td {
  background: rgba(39, 82, 141, 0.04);
}

table.bx-table tr:last-child td {
  border-bottom: none;
}

/* Mono data cells */
table.bx-table .cell-mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

/* P&L colored cells */
table.bx-table .cell-positive { color: var(--positive); }
table.bx-table .cell-negative { color: var(--negative); }

/* Pagination */
.table-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-top: 1px solid var(--table-border);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.table-pagination__controls {
  display: flex;
  gap: 4px;
}

/* =============================================
   CHART CONTAINER
   ============================================= */
.chart-container {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.chart-container__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--card-border);
}

.chart-container__title {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
}

.chart-container__body {
  padding: 16px;
  min-height: 240px;
  position: relative;
}

.chart-container__loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-control);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast),
              color var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Primary (Steel Blue) */
.btn--primary {
  background: var(--steel-blue);
  color: var(--white);
}
.btn--primary:hover:not(:disabled) {
  background: #1E4577;
}

/* Danger (Negative) */
.btn--danger {
  background: var(--negative);
  color: var(--white);
}
.btn--danger:hover:not(:disabled) {
  background: #A83232;
}

/* Secondary (outline) */
.btn--secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--input-border);
}
.btn--secondary:hover:not(:disabled) {
  border-color: var(--steel-blue);
  color: var(--steel-blue);
}

/* Small variant */
.btn--sm {
  padding: 5px 10px;
  font-size: 0.75rem;
}

/* =============================================
   CONFIRMATION MODAL
   ============================================= */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(6, 39, 85, 0.5);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-backdrop--open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 440px;
  padding: 24px;
  transform: translateY(8px);
  transition: transform var(--transition-base);
}

.modal-backdrop--open .modal {
  transform: translateY(0);
}

.modal__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.modal__body {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.6;
}

.modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* =============================================
   UTILITY CLASSES
   ============================================= */
.text-positive { color: var(--positive); }
.text-negative { color: var(--negative); }
.text-warning  { color: var(--warning); }
.text-muted    { color: var(--text-secondary); }
.text-mono     { font-family: var(--font-mono); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Section spacing */
.section {
  margin-bottom: 24px;
}

.section__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Copper premium highlight (BUHODEX only) */
.copper-accent {
  color: var(--copper);
}
.copper-border {
  border-color: var(--copper);
}

/* =============================================
   LINKS
   ============================================= */
.bx-link {
  color: var(--steel-blue);
  text-decoration: none;
  font-weight: 500;
}
.bx-link:hover {
  text-decoration: underline;
}

/* =============================================
   FILTER FORM
   ============================================= */
.audit-filters {
  margin-bottom: var(--space-md);
}
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: flex-end;
}
.filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.filter-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.filter-input {
  padding: 6px 10px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-control);
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  background: var(--white);
  color: var(--text-primary);
}
.filter-input:focus {
  outline: none;
  border-color: var(--steel-blue);
  box-shadow: 0 0 0 2px rgba(39, 82, 141, 0.15);
}
.filter-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.filter-checkbox {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8125rem;
  color: var(--text-primary);
  cursor: pointer;
}
.filter-actions {
  justify-content: flex-end;
}
.btn--sm {
  padding: 6px 14px;
  font-size: 0.8125rem;
}

/* =============================================
   AUDIT DETAIL
   ============================================= */
.audit-row {
  cursor: pointer;
}
.audit-row:hover {
  background: rgba(39, 82, 141, 0.04);
}
.detail-toggle {
  font-size: 0.75rem;
  color: var(--text-secondary);
  transition: transform 0.15s ease;
}
.audit-detail-row td {
  padding: 0 var(--space-sm) var(--space-sm);
  background: var(--paper);
}
.audit-detail-content {
  padding: var(--space-sm);
  background: var(--white);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card);
}
.audit-json {
  margin: 0;
  padding: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--paper);
  border-radius: var(--radius-control);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* =============================================
   DECISION FEED
   ============================================= */
.badge--buy {
  background: rgba(25, 155, 106, 0.12);
  color: var(--positive);
}
.badge--buy::before { background: var(--positive); }

.badge--sell {
  background: rgba(196, 61, 61, 0.12);
  color: var(--negative);
}
.badge--sell::before { background: var(--negative); }

.badge--exit {
  background: rgba(211, 155, 42, 0.12);
  color: var(--warning);
}
.badge--exit::before { background: var(--warning); }

/* HOLD rows: de-emphasized */
.decision-row--hold {
  cursor: pointer;
}
.decision-row--hold td {
  opacity: 0.55;
}
.decision-row--hold:hover td {
  opacity: 0.8;
}
.decision-row--collapsed td::first-child::before {
  content: "\25B6 ";
  font-size: 0.625rem;
  color: var(--text-secondary);
}

/* Decision detail row (for HOLD expansion) */
.decision-detail--hidden {
  display: none;
}
.decision-detail-cell {
  padding: 0 16px 8px !important;
  background: var(--paper) !important;
  border-bottom: 1px solid var(--table-border) !important;
}
.decision-detail-content {
  padding: 6px 10px;
  background: var(--white);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-control);
}

/* =============================================
   DECISION LOG (HISTORICAL)
   ============================================= */
.decision-log-row {
  cursor: pointer;
}
.decision-log-row:hover {
  background: rgba(39, 82, 141, 0.04);
}
.decision-detail-row td {
  padding: 0 var(--space-sm) var(--space-sm);
  background: var(--paper);
}
.decision-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}
@media (max-width: 1024px) {
  .decision-detail-grid {
    grid-template-columns: 1fr;
  }
}
.decision-detail-section {
  min-width: 0;
}
.decision-detail-heading {
  margin: 0 0 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.decision-detail-dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  font-size: 0.8125rem;
  margin: 0;
}
.decision-detail-dl dt {
  font-weight: 600;
  color: var(--text-secondary);
}
.decision-detail-dl dd {
  margin: 0;
  color: var(--text-primary);
  word-break: break-all;
}

.section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.section__header .section__title {
  margin-bottom: 0;
}

/* =============================================
   PAGINATION
   ============================================= */
.pagination {
  display: flex;
  justify-content: center;
  margin-top: var(--space-md);
}
.pagination__list {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  list-style: none;
  padding: 0;
  margin: 0;
}
.pagination__link {
  padding: 6px 12px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-control);
  color: var(--steel-blue);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
}
.pagination__link:hover {
  background: var(--paper);
  border-color: var(--steel-blue);
}
.pagination__current {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* =============================================
   TRADE NAV (bar-by-bar navigation)
   ============================================= */
.trade-nav {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-panel);
  padding: 20px;
}
.trade-nav__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.trade-nav__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}
.trade-nav__buttons {
  display: flex;
  gap: 8px;
}
.trade-nav__detail {
  border-top: 1px solid var(--card-border);
  padding-top: 16px;
}
.trade-nav__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}
.trade-nav__field {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.trade-nav__field--highlight {
  background: var(--paper);
  border-radius: var(--radius-control);
  padding: 8px;
}
.trade-nav__label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}
.trade-nav__value {
  font-size: 0.875rem;
  color: var(--text-primary);
}

/* Selected trade row highlight in backtest table */
.trade-row--selected {
  background: rgba(39, 82, 141, 0.08) !important;
  outline: 2px solid var(--steel-blue);
  outline-offset: -2px;
}