/* ==========================================================================
   Bond Calculator — Fixed Income Workbench
   Scoped design system for /bond-calculator/.

   Every component reads ONLY --bc-* tokens. Themes are adapted in exactly
   three layers below (light default, generic dark, premium light); no
   component ever carries a per-theme selector.
   ========================================================================== */

.bond-calculator {
  /* ---- tokens: light default (page loads no theme stylesheet) ---- */
  --bc-page-bg: #f4f7fa;
  --bc-surface: #ffffff;
  --bc-surface-raised: #f8fafc;
  --bc-surface-sunken: #eef2f7;
  --bc-ink: #16233a;
  --bc-ink-2: #5a6b84;
  --bc-muted: #64748b; /* AA on white for small labels */
  --bc-border: #e3e9f1;
  --bc-border-strong: #cbd6e2;
  --bc-accent: #2E86C1;
  --bc-accent-strong: #1a5276;
  --bc-accent-soft: rgba(46, 134, 193, 0.10);
  --bc-success: #0a7d55; /* AA as text on light surfaces */
  --bc-success-soft: rgba(16, 185, 129, 0.14);
  --bc-warning: #b45309;
  --bc-warning-soft: #fef3c7;
  --bc-warning-border: #fcd34d;
  --bc-danger: #dc2626;
  --bc-danger-soft: rgba(220, 38, 38, 0.08);
  --bc-shadow: 0 1px 2px rgba(22, 35, 58, 0.05), 0 4px 16px rgba(22, 35, 58, 0.06);
  --bc-shadow-pop: 0 8px 30px rgba(22, 35, 58, 0.14);
  --bc-focus-ring: 0 0 0 3px rgba(46, 134, 193, 0.35);
  /* chart */
  --bc-chart-grid: #e3e9f1;
  --bc-chart-axis: #64748b;
  --bc-chart-coupon: #2E86C1;
  --bc-chart-principal: #1a5276;
  --bc-chart-outflow: #9db2c9;
  --bc-chart-cumulative: #f59e0b;
  /* layout */
  --bc-radius: 12px;
  --bc-radius-sm: 8px;
  --bc-mobile-nav-clearance: calc(76px + env(safe-area-inset-bottom, 0px));

  color: var(--bc-ink);
  font-variant-numeric: lining-nums;
}

/* ---- dark adapter: classic dark + cyberpunk fall back to the literals,
       premium dark wins through its --premium-* variables ---- */
html.dark .bond-calculator {
  --bc-success: #2fbe8f;
  --bc-page-bg: var(--premium-bg-primary, #15181d);
  --bc-surface: var(--premium-bg-secondary, #1e232b);
  --bc-surface-raised: var(--premium-bg-tertiary, #262d37);
  --bc-surface-sunken: var(--premium-bg-primary, #12151a);
  --bc-ink: var(--premium-text-primary, #e7edf5);
  --bc-ink-2: var(--premium-text-secondary, #9fadc0);
  --bc-muted: var(--premium-text-muted, #8b99ad);
  --bc-border: var(--premium-border, #313a47);
  --bc-border-strong: #45506173;
  --bc-accent: var(--premium-brand-primary, #3f9bd8);
  --bc-accent-strong: #63b3e4;
  --bc-accent-soft: rgba(63, 155, 216, 0.14);
  --bc-warning: #fbbf24;
  --bc-warning-soft: rgba(251, 191, 36, 0.12);
  --bc-warning-border: rgba(251, 191, 36, 0.4);
  --bc-danger: #f87171;
  --bc-danger-soft: rgba(248, 113, 113, 0.12);
  --bc-shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 4px 18px rgba(0, 0, 0, 0.30);
  --bc-shadow-pop: 0 10px 34px rgba(0, 0, 0, 0.5);
  --bc-chart-grid: #2b3340;
  --bc-chart-axis: #74839a;
  --bc-chart-coupon: #4da3dd;
  --bc-chart-principal: #7cc0ea;
  --bc-chart-outflow: #55657c;
}

/* ---- premium light adapter ---- */
body.premium-light-theme .bond-calculator {
  --bc-page-bg: var(--premium-bg-primary, #f4f7fa);
  --bc-surface: var(--premium-bg-secondary, #ffffff);
  --bc-surface-raised: var(--premium-bg-tertiary, #f8fafc);
  --bc-ink: var(--premium-text-primary, #16233a);
  --bc-ink-2: var(--premium-text-secondary, #5a6b84);
  --bc-muted: var(--premium-text-muted, #64748b);
  --bc-border: var(--premium-border, #e3e9f1);
  --bc-accent: var(--premium-brand-primary, #2E86C1);
}

/* ==========================================================================
   Base / layout
   ========================================================================== */

.bond-calculator [hidden] { display: none !important; }

/* The base footer is `position: absolute; bottom: 0`, which overlaps compact
   pages (it was tuned for long dashboards). This stylesheet only loads on the
   bond calculator, so restore normal flow here: the footer follows content. */
.footer.main-footer { position: static !important; }

.bond-calculator {
  /* Same box as the sibling asset pages' .page-container-modern (1200px +
     24px padding): the asset pill row must not shift when switching pages. */
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px var(--bc-mobile-nav-clearance); /* fixed navbar is ~53px, wrapper adds no margin */
  /* The base footer is absolutely positioned (bottom: 0) and can overlap short
     pages; keep this page above it for painting AND pointer events, and tall
     enough that the footer normally sits below the fold of the content. */
  position: relative;
  z-index: 5;
  min-height: calc(100vh - 260px);
  height: auto; /* the base styles bare <main> with height:100vh */
}
@media (min-width: 999px) {
  .bond-calculator { padding-bottom: 64px; }
}

.bond-calculator *:focus-visible {
  outline: none;
  box-shadow: var(--bc-focus-ring);
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  .bond-calculator *, .bond-calculator *::before, .bond-calculator *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---- page header: h1 then the asset pill row, matching the sibling
        asset-input pages' geometry so cross-page switching never jumps ---- */
.bc-header { margin-bottom: 16px; }
.bc-title { font-size: 2rem; font-weight: 700; letter-spacing: -0.01em; margin: 0 0 26px; line-height: 1.4; color: var(--bc-ink); }
.bc-subtitle { margin: 14px 0 0; color: var(--bc-ink-2); font-size: 0.9375rem; max-width: 72ch; }

/* asset switcher: one-click links on desktop, menu on mobile */
.bc-asset-links { display: none; justify-content: flex-start; gap: 8px; flex-wrap: wrap; } /* base styles bare <nav> with space-between */
@media (min-width: 768px) { .bc-asset-links { display: flex; } }
.bc-asset-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 20px;
  font-size: 13px; text-decoration: none;
  color: var(--bc-ink-2); border: 1px solid var(--bc-border);
  background: var(--bc-surface); transition: all 0.15s ease;
}
.bc-asset-link:hover { color: var(--bc-accent); border-color: var(--bc-accent); text-decoration: none; }
.bc-asset-link.is-current {
  color: #fff; background: var(--bc-accent); border-color: var(--bc-accent);
  cursor: default;
}
.bc-asset-menu-wrap { position: relative; display: block; }
@media (min-width: 768px) { .bc-asset-menu-wrap { display: none; } }
.bc-asset-menu-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: var(--bc-radius-sm);
  border: 1px solid var(--bc-border); background: var(--bc-surface);
  color: var(--bc-ink); font-size: 0.875rem; cursor: pointer;
}
.bc-asset-menu {
  position: absolute; z-index: 1060; top: calc(100% + 6px); left: 0;
  min-width: 220px; padding: 6px;
  background: var(--bc-surface); border: 1px solid var(--bc-border);
  border-radius: var(--bc-radius-sm); box-shadow: var(--bc-shadow-pop);
}
.bc-asset-menu a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 6px;
  color: var(--bc-ink); text-decoration: none; font-size: 0.9rem;
}
.bc-asset-menu a:hover { background: var(--bc-accent-soft); color: var(--bc-accent); }

/* ---- act rail: honest sequence indicator ---- */
.bc-acts {
  display: flex; align-items: center; gap: 0;
  margin: 22px 0 18px; user-select: none;
  max-width: 620px;
}
.bc-act {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8125rem; color: var(--bc-muted); white-space: nowrap;
}
.bc-act-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%;
  font-size: 0.75rem; font-weight: 600;
  border: 1.5px solid var(--bc-border-strong); color: var(--bc-muted);
  background: var(--bc-surface);
  transition: all 0.2s ease;
}
.bc-act.is-active { color: var(--bc-ink); font-weight: 600; }
.bc-act.is-active .bc-act-num { border-color: var(--bc-accent); color: var(--bc-accent); background: var(--bc-accent-soft); }
.bc-act.is-done .bc-act-num { border-color: var(--bc-success); color: var(--bc-success); }
.bc-act-line { flex: 0 1 64px; height: 1.5px; background: var(--bc-border); margin: 0 12px; min-width: 16px; }
@media (max-width: 480px) { .bc-act span.bc-act-label { display: none; } .bc-act.is-active span.bc-act-label { display: inline; } }

/* ==========================================================================
   Cards & form primitives
   ========================================================================== */

.bc-card {
  background: var(--bc-surface);
  border: 1px solid var(--bc-border);
  border-radius: var(--bc-radius);
  box-shadow: var(--bc-shadow);
  padding: 22px;
  margin-bottom: 18px;
}
.bc-card-eyebrow {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.07em;
  text-transform: uppercase; color: var(--bc-ink-2);
  margin-bottom: 14px;
}
.bc-card-eyebrow i { color: var(--bc-accent); font-size: 0.8rem; }

.bc-grid { display: grid; gap: 14px 16px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.bc-field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.bc-field.span-2 { grid-column: span 2; }
@media (max-width: 560px) { .bc-field.span-2 { grid-column: span 1; } }
.bc-label {
  font-size: 0.8125rem; font-weight: 500; color: var(--bc-ink-2);
  display: inline-flex; align-items: center; gap: 6px;
}
.bc-help {
  color: var(--bc-muted); font-size: 0.75rem; cursor: help;
  border: none; background: none; padding: 0; line-height: 1;
}
.bc-help:hover { color: var(--bc-accent); }

.bc-input, .bc-select {
  width: 100%;
  padding: 9px 12px;
  font-size: 0.9375rem;
  color: var(--bc-ink);
  background: var(--bc-surface);
  border: 1px solid var(--bc-border-strong);
  border-radius: var(--bc-radius-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  font-variant-numeric: tabular-nums;
}
.bc-input:hover, .bc-select:hover { border-color: var(--bc-accent); }
.bc-input:focus, .bc-select:focus {
  outline: none; border-color: var(--bc-accent); box-shadow: var(--bc-focus-ring);
}
.bc-select {
  appearance: none; -webkit-appearance: none;
  padding-right: 34px;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%238b99ad' stroke-width='1.8' stroke-linecap='round' d='M1.5 1.8 6 6.2l4.5-4.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
  cursor: pointer;
}
.bc-input-group { display: flex; }
.bc-input-group > .bc-input { border-radius: var(--bc-radius-sm) 0 0 var(--bc-radius-sm); border-right: none; flex: 1; min-width: 0; }
.bc-input-group > .bc-select { width: auto; flex: 0 0 auto; border-radius: 0 var(--bc-radius-sm) var(--bc-radius-sm) 0; }

/* segmented control (Price/Yield, Buy/Sell, chart toggle) */
.bc-seg { display: inline-flex; padding: 3px; background: var(--bc-surface-sunken); border-radius: var(--bc-radius-sm); gap: 2px; }
.bc-seg label, .bc-seg button {
  position: relative; padding: 6px 16px; font-size: 0.875rem; font-weight: 500;
  color: var(--bc-ink-2); cursor: pointer; border: none; background: transparent;
  border-radius: 6px; transition: all 0.15s ease; margin: 0;
}
.bc-seg input { position: absolute; opacity: 0; pointer-events: none; }
.bc-seg label:has(input:checked), .bc-seg button.is-on {
  background: var(--bc-surface); color: var(--bc-ink); font-weight: 600;
  box-shadow: 0 1px 3px rgba(22, 35, 58, 0.15);
}
.bc-seg label:has(input:focus-visible) { box-shadow: var(--bc-focus-ring); }

/* buy/sell coloring on the direction select */
.bc-select.is-buy { color: var(--bc-success); font-weight: 600; }
.bc-select.is-sell { color: var(--bc-danger); font-weight: 600; }

/* buttons */
.bc-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 20px; font-size: 0.9375rem; font-weight: 600;
  border-radius: var(--bc-radius-sm); border: 1px solid transparent;
  cursor: pointer; transition: all 0.15s ease; text-decoration: none;
}
.bc-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.bc-btn-primary { background: #2273ab; color: #fff; } /* AA (4.6:1); brand blue stays for links/focus */
.bc-btn-primary:hover:not(:disabled) { background: var(--bc-accent-strong); color: #fff; }
.bc-btn-success { background: #0a7d55; color: #fff; }
.bc-btn-success:hover:not(:disabled) { filter: brightness(0.92); color: #fff; }
.bc-btn-ghost { background: transparent; color: var(--bc-ink-2); border-color: var(--bc-border-strong); }
.bc-btn-ghost:hover:not(:disabled) { color: var(--bc-accent); border-color: var(--bc-accent); }
.bc-btn-link {
  background: none; border: none; padding: 0; color: var(--bc-accent);
  font-size: inherit; font-weight: 500; cursor: pointer; text-decoration: none;
}
.bc-btn-link:hover { text-decoration: underline; color: var(--bc-accent-strong); }
.bc-btn .bc-spinner { display: none; }
.bc-btn.is-busy .bc-spinner { display: inline-block; }
.bc-spinner {
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.4); border-top-color: #fff;
  animation: bc-spin 0.7s linear infinite;
}
@keyframes bc-spin { to { transform: rotate(360deg); } }

/* ==========================================================================
   Act 1 — Find
   ========================================================================== */

.bc-search-hero { text-align: center; padding: 26px 22px 24px; }
.bc-search-hero .bc-search-title { font-size: 1.15rem; font-weight: 700; margin: 0 0 2px; }
.bc-search-hero .bc-search-sub { color: var(--bc-ink-2); font-size: 0.875rem; margin: 0 0 16px; }

.bc-search-wrap { position: relative; max-width: 740px; margin: 0 auto; text-align: left; }
.bc-search-box { position: relative; display: flex; align-items: center; }
.bc-search-box > i {
  position: absolute; left: 15px; color: var(--bc-muted); font-size: 0.9rem; pointer-events: none;
}
.bc-search-input {
  width: 100%; padding: 13px 118px 13px 40px;
  font-size: 1rem; color: var(--bc-ink);
  background: var(--bc-surface);
  border: 1.5px solid var(--bc-border-strong);
  border-radius: 12px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.bc-search-input:focus { outline: none; border-color: var(--bc-accent); box-shadow: var(--bc-focus-ring); }
.bc-search-actions { position: absolute; right: 8px; display: flex; gap: 6px; }
.bc-filter-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; font-size: 0.8125rem; font-weight: 500;
  color: var(--bc-ink-2); background: var(--bc-surface-raised);
  border: 1px solid var(--bc-border); border-radius: 8px; cursor: pointer;
}
.bc-filter-btn:hover { color: var(--bc-accent); border-color: var(--bc-accent); }
.bc-filter-btn .bc-filter-count {
  display: none; min-width: 17px; height: 17px; padding: 0 4px;
  border-radius: 999px; background: var(--bc-accent); color: #fff;
  font-size: 0.7rem; font-weight: 700; line-height: 17px; text-align: center;
}
.bc-filter-btn.has-filters .bc-filter-count { display: inline-block; }

.bc-search-meta {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  margin-top: 8px; font-size: 0.8125rem; color: var(--bc-muted); flex-wrap: wrap;
}
.bc-filter-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.bc-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 999px; font-size: 0.75rem;
  background: var(--bc-accent-soft); color: var(--bc-accent); border: 1px solid transparent;
}
.bc-chip button { border: none; background: none; color: inherit; cursor: pointer; padding: 0; font-size: 0.8rem; line-height: 1; }

/* filters popover */
.bc-filters-pop {
  position: absolute; z-index: 1061; top: calc(100% + 8px); right: 0;
  width: min(340px, 92vw); padding: 16px;
  background: var(--bc-surface); border: 1px solid var(--bc-border);
  border-radius: var(--bc-radius); box-shadow: var(--bc-shadow-pop);
}
.bc-filters-pop .bc-field { margin-bottom: 12px; }
.bc-filters-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 4px; }

/* results dropdown (custom listbox) */
.suggestions-dropdown {
  position: absolute; z-index: 1055; top: calc(100% + 8px); left: 0; right: 0;
  background: var(--bc-surface); border: 1px solid var(--bc-border);
  border-radius: var(--bc-radius); box-shadow: var(--bc-shadow-pop);
  max-height: min(480px, 62vh); overflow-y: auto; overscroll-behavior: contain;
}
.bc-result-group {
  position: sticky; top: 0; z-index: 2;
  display: flex; justify-content: space-between; align-items: baseline; gap: 10px;
  padding: 8px 16px 7px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--bc-ink-2); background: var(--bc-surface-raised);
  border-bottom: 1px solid var(--bc-border);
}
.bc-result-group .bc-btn-link { font-size: 0.75rem; text-transform: none; letter-spacing: 0; font-style: italic; }
.bc-result {
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
  padding: 10px 16px; cursor: pointer;
  border-bottom: 1px solid var(--bc-border);
}
.bc-result:last-child { border-bottom: none; }
.bc-result:hover, .bc-result.is-active { background: var(--bc-accent-soft); }
.bc-result-main { min-width: 0; }
.bc-result-name {
  font-size: 0.9rem; font-weight: 600; color: var(--bc-ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.bc-result-name mark { background: none; color: var(--bc-accent); padding: 0; }
.bc-result-sub { font-size: 0.78rem; color: var(--bc-muted); display: flex; gap: 8px; flex-wrap: wrap; }
.bc-result-sub .sep { opacity: 0.5; }
.bc-result-side { text-align: right; flex-shrink: 0; }
.bc-result-coupon { font-size: 0.9rem; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--bc-ink); }
.bc-result-maturity { font-size: 0.75rem; color: var(--bc-muted); }
.bc-result-badge {
  display: inline-block; margin-top: 2px; padding: 1px 7px; border-radius: 999px;
  font-size: 0.66rem; font-weight: 600; letter-spacing: 0.03em;
  background: var(--bc-success-soft); color: var(--bc-success);
}
.bc-result-more {
  display: block; width: 100%; padding: 10px; text-align: center;
  font-size: 0.8125rem; color: var(--bc-accent); background: var(--bc-surface-raised);
  border: none; border-top: 1px solid var(--bc-border); cursor: pointer;
}
.bc-result-more:hover { background: var(--bc-accent-soft); }
.bc-result-skeleton { padding: 12px 16px; display: flex; justify-content: space-between; gap: 14px; }
.bc-skel {
  height: 12px; border-radius: 6px; background: var(--bc-surface-sunken);
  animation: bc-pulse 1.2s ease-in-out infinite;
}
@keyframes bc-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }

/* empty state */
.bc-empty-state { padding: 22px 20px; text-align: center; }
.bc-empty-state h4 { font-size: 0.95rem; font-weight: 600; margin: 0 0 4px; color: var(--bc-ink); }
.bc-empty-state p { font-size: 0.8125rem; color: var(--bc-ink-2); margin: 0 0 14px; }
.bc-empty-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.bc-empty-note { margin-top: 10px; font-size: 0.78rem; color: var(--bc-muted); }
.bc-empty-note.is-error { color: var(--bc-danger); }

/* manual escape hatch under search */
.bc-search-footer { margin-top: 14px; font-size: 0.875rem; color: var(--bc-ink-2); }

/* ==========================================================================
   Act 2 — Review & price  (workspace 8/4)
   ========================================================================== */

.bc-workspace {
  display: grid; gap: 18px; grid-template-columns: 1fr; align-items: start;
  /* Mobile reads top-to-bottom: bond details -> YOUR TRADE -> actions, so the
     save button is never offered before the trade fields it books. */
  grid-template-areas: 'main' 'ticket' 'actions';
}
.bc-main-col { grid-area: main; min-width: 0; }
.bc-ticket-col { grid-area: ticket; min-width: 0; }
.bc-workspace > .bc-actions { grid-area: actions; }
@media (min-width: 1200px) {
  .bc-workspace {
    grid-template-columns: minmax(0, 8fr) minmax(300px, 4fr);
    grid-template-areas: 'main ticket' 'actions ticket';
  }
  .bc-ticket-col { position: sticky; top: 78px; }
}

/* instrument identity */
.bc-identity { display: none; }
.bc-identity.is-set { display: block; }
.bc-identity-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; flex-wrap: wrap; }
.bc-identity-name { font-size: 1.1rem; font-weight: 700; margin: 0; color: var(--bc-ink); }
.bc-identity-sub { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; font-size: 0.8125rem; color: var(--bc-ink-2); align-items: center; }
.bc-identity-sub .sep { opacity: 0.45; }
.bc-tag {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 9px; border-radius: 999px; font-size: 0.72rem; font-weight: 600;
  background: var(--bc-accent-soft); color: var(--bc-accent);
}
.bc-tag.is-edited { background: var(--bc-warning-soft); color: var(--bc-warning); }

/* provenance mark on inputs populated by a lookup */
.bc-field.is-fetched .bc-label::after {
  content: '\2022'; color: var(--bc-accent); font-size: 1.1em; line-height: 0;
}
.bc-field.is-edited .bc-label::after {
  content: 'edited'; font-size: 0.66rem; font-weight: 600; color: var(--bc-warning);
  background: var(--bc-warning-soft); padding: 1px 6px; border-radius: 999px;
}

/* collapsible terms (mobile only collapses; desktop always open) */
.bc-terms-summary {
  display: none; width: 100%; text-align: left;
  padding: 12px 14px; border: none; cursor: pointer;
  background: var(--bc-surface-raised); border-radius: var(--bc-radius-sm);
  color: var(--bc-ink-2); font-size: 0.855rem;
}
.bc-terms-summary strong { color: var(--bc-ink); }
@media (max-width: 767px) {
  .bc-terms-summary { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
  .bc-terms-body.is-collapsed { display: none; }
  .bc-terms-body { margin-top: 12px; }
}
.bc-terms-note { font-size: 0.78rem; color: var(--bc-muted); margin: 10px 0 0; }

/* transaction ticket */
.bc-ticket .bc-grid { grid-template-columns: 1fr 1fr; }
.bc-ticket-summary {
  margin-top: 16px; padding: 14px 16px;
  background: var(--bc-surface-raised); border-radius: var(--bc-radius-sm);
  font-size: 0.875rem;
}
.bc-ticket-line { display: flex; justify-content: space-between; gap: 10px; padding: 3px 0; color: var(--bc-ink-2); }
.bc-ticket-line strong { color: var(--bc-ink); font-variant-numeric: tabular-nums; font-weight: 600; }
.bc-ticket-line.is-total { border-top: 1px solid var(--bc-border); margin-top: 6px; padding-top: 9px; }
.bc-ticket-value {
  border: none; background: transparent; text-align: right; padding: 0;
  width: 40%; min-width: 110px; color: var(--bc-ink); font-weight: 600;
  font-size: 0.9375rem; font-variant-numeric: tabular-nums;
}
.bc-ticket-value:focus { outline: none; box-shadow: none; }
.bc-ticket-line.is-total .bc-ticket-value { font-size: 1.05rem; }

.bc-availability {
  display: flex; align-items: center; gap: 8px; margin-top: 8px;
  font-size: 0.8125rem; color: var(--bc-ink-2);
}
.bc-availability strong { color: var(--bc-ink); }

/* action row — normal flow everywhere; the page reserves bottom-nav clearance */
.bc-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-top: 4px; }
@media (max-width: 560px) {
  .bc-actions .bc-btn { width: 100%; }
  .bc-ticket .bc-field.span-2 { grid-column: 1 / -1; }
}

/* status banners */
.bc-banner {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 12px 16px; border-radius: var(--bc-radius-sm);
  font-size: 0.875rem; margin: 14px 0 0;
}
.bc-banner i { margin-top: 2px; flex-shrink: 0; }
.bc-banner-info { background: var(--bc-accent-soft); color: var(--bc-ink); border: 1px solid transparent; }
.bc-banner-info i { color: var(--bc-accent); }
.bc-banner-warning { background: var(--bc-warning-soft); color: var(--bc-ink); border: 1px solid var(--bc-warning-border); }
.bc-banner-warning i { color: var(--bc-warning); }
.bc-banner-error { background: var(--bc-danger-soft); color: var(--bc-ink); border: 1px solid transparent; }
.bc-banner-error i { color: var(--bc-danger); }
.bc-banner .bc-banner-close {
  margin-left: auto; border: none; background: none; cursor: pointer;
  color: var(--bc-muted); font-size: 1rem; padding: 0 2px; line-height: 1;
}
.bc-banner .bc-banner-body { flex: 1; }
.bc-banner .bc-banner-actions { margin-top: 8px; display: flex; gap: 12px; flex-wrap: wrap; }

/* ==========================================================================
   Act 3 — Analyze & add
   ========================================================================== */

#resultsContainer { scroll-margin-top: 80px; }

.bc-results-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.bc-results-basis { font-size: 0.8125rem; color: var(--bc-muted); margin: 2px 0 14px; }
.bc-freshness {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 11px; border-radius: 999px; font-size: 0.75rem; font-weight: 600;
}
.bc-freshness::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.bc-freshness.is-current { background: var(--bc-success-soft); color: var(--bc-success); }
.bc-freshness.is-computing { background: var(--bc-accent-soft); color: var(--bc-accent); }
.bc-freshness.is-stale { background: var(--bc-warning-soft); color: var(--bc-warning); }

/* results go quiet when stale */
.bc-results-body { transition: opacity 0.25s ease; }
.bc-results-body.is-stale { opacity: 0.45; }

/* hero metrics */
.bc-hero-metrics {
  display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr);
  margin-bottom: 6px;
}
@media (max-width: 700px) { .bc-hero-metrics { grid-template-columns: 1fr; } }
.bc-hero-metric {
  padding: 18px 20px; border-radius: var(--bc-radius);
  background: var(--bc-surface-raised); border: 1px solid var(--bc-border);
}
.bc-hero-metric.is-primary { background: var(--bc-accent-soft); border-color: transparent; }
.bc-hero-metric .bc-lbl { font-size: 0.78rem; font-weight: 600; color: var(--bc-ink-2); display: flex; align-items: center; gap: 6px; }
.bc-hero-metric .bc-val {
  font-size: clamp(1.55rem, 2.6vw, 2.05rem); font-weight: 700; letter-spacing: -0.02em;
  color: var(--bc-ink); font-variant-numeric: tabular-nums; line-height: 1.25; margin-top: 2px;
}

.bc-price-bridge {
  font-size: 0.855rem; color: var(--bc-ink-2); margin: 10px 2px 18px;
  font-variant-numeric: tabular-nums;
}
.bc-price-bridge strong { color: var(--bc-ink); }

/* secondary metric strip */
.bc-risk-strip {
  display: grid; gap: 1px; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  background: var(--bc-border); border: 1px solid var(--bc-border);
  border-radius: var(--bc-radius); overflow: hidden; margin-bottom: 10px;
}
.bc-risk-cell { background: var(--bc-surface); padding: 13px 16px; }
.bc-risk-cell .bc-lbl { font-size: 0.74rem; font-weight: 500; color: var(--bc-muted); display: flex; align-items: center; gap: 5px; }
.bc-risk-cell .bc-val { font-size: 1.12rem; font-weight: 650; color: var(--bc-ink); font-variant-numeric: tabular-nums; margin-top: 2px; }
.bc-risk-read { font-size: 0.8125rem; color: var(--bc-ink-2); margin: 0 2px 4px; }

/* ---- SIGNATURE: pricing story ---- */
.bc-pricing-story { border-left: 3px solid var(--bc-accent); }
.bc-story-flow {
  display: flex; align-items: stretch; gap: 0; flex-wrap: wrap;
  margin: 6px 0 4px;
}
.bc-story-term { padding: 10px 18px 10px 0; min-width: 130px; }
.bc-story-term .bc-lbl { font-size: 0.74rem; font-weight: 500; color: var(--bc-muted); }
.bc-story-term .bc-val { font-size: 1.28rem; font-weight: 700; color: var(--bc-ink); font-variant-numeric: tabular-nums; }
.bc-story-term .bc-note-sm { font-size: 0.72rem; color: var(--bc-muted); }
.bc-story-op {
  align-self: center; padding: 0 16px 0 2px;
  font-size: 1.15rem; font-weight: 600; color: var(--bc-border-strong);
}
.bc-story-term.is-result .bc-val { color: var(--bc-accent); }
.bc-story-delta { font-size: 0.8125rem; color: var(--bc-ink-2); margin-top: 6px; }

.bc-spread-editor { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 12px; }
.bc-spread-editor input[type='range'] {
  flex: 1 1 180px; accent-color: var(--bc-accent); min-width: 140px;
}
.bc-spread-editor .bc-input { width: 88px; flex: none; text-align: right; }
.bc-spread-note { font-size: 0.75rem; color: var(--bc-muted); margin-top: 8px; }
.bc-curve-badge {
  display: inline-block; padding: 2px 10px; border-radius: 999px;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.04em;
  background: var(--bc-accent); color: #fff;
}

/* schedule */
.bc-schedule-summary {
  display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin-bottom: 14px;
}
.bc-schedule-stat { font-size: 0.8125rem; color: var(--bc-muted); }
.bc-schedule-stat strong { display: block; font-size: 1.02rem; color: var(--bc-ink); font-variant-numeric: tabular-nums; font-weight: 650; }
.bc-table-wrap { overflow-x: auto; border: 1px solid var(--bc-border); border-radius: var(--bc-radius-sm); }
.bc-table { width: 100%; border-collapse: collapse; font-size: 0.855rem; }
.bc-table thead th {
  position: sticky; top: 0; z-index: 1;
  text-align: right; padding: 9px 14px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--bc-ink-2); background: var(--bc-surface-raised);
  border-bottom: 1px solid var(--bc-border); white-space: nowrap;
}
.bc-table thead th:first-child { text-align: left; }
.bc-table tbody td {
  padding: 8px 14px; text-align: right; color: var(--bc-ink);
  border-bottom: 1px solid var(--bc-border);
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
.bc-table tbody td:first-child { text-align: left; color: var(--bc-ink-2); }
.bc-table tbody tr:last-child td { border-bottom: none; }
.bc-table tbody tr.is-past td { color: var(--bc-muted); }
.bc-table tbody tr.is-next { background: var(--bc-accent-soft); }
.bc-table tbody tr.is-next td { font-weight: 600; color: var(--bc-ink); }
.bc-flow-type {
  display: inline-block; padding: 1px 8px; border-radius: 999px;
  font-size: 0.68rem; font-weight: 600;
}
.bc-flow-type.coupon { background: var(--bc-accent-soft); color: var(--bc-accent); }
.bc-flow-type.principal { background: var(--bc-success-soft); color: var(--bc-success); }
.bc-flow-type.purchase { background: var(--bc-surface-sunken); color: var(--bc-ink-2); }
.bc-schedule-toggle-mobile { display: none; }
@media (max-width: 767px) {
  .bc-schedule-toggle-mobile { display: inline-flex; margin-bottom: 10px; }
  .bc-table-wrap.is-collapsed { display: none; }
}

/* chart */
.bc-chart-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.bc-chart-totals { display: flex; gap: 18px; flex-wrap: wrap; font-size: 0.8125rem; color: var(--bc-muted); }
.bc-chart-totals strong { color: var(--bc-ink); font-variant-numeric: tabular-nums; }
.bc-chart-svg-wrap { position: relative; width: 100%; }
.bc-chart-svg-wrap svg { display: block; width: 100%; height: auto; }
.bc-chart-tip {
  position: absolute; z-index: 5; pointer-events: none;
  padding: 7px 11px; border-radius: 7px; font-size: 0.78rem;
  background: var(--bc-ink); color: var(--bc-page-bg);
  box-shadow: var(--bc-shadow-pop); white-space: nowrap;
  transform: translate(-50%, calc(-100% - 8px));
}
html.dark .bond-calculator .bc-chart-tip { background: var(--bc-surface-raised); color: var(--bc-ink); border: 1px solid var(--bc-border); }

/* number reveal on calculate */
@keyframes bc-reveal { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: none; } }
.bc-results-body.is-fresh .bc-hero-metric .bc-val,
.bc-results-body.is-fresh .bc-risk-cell .bc-val,
.bc-results-body.is-fresh .bc-story-term .bc-val { animation: bc-reveal 0.35s ease both; }

/* skeleton state while computing */
.bc-results-body.is-computing .bc-hero-metric .bc-val,
.bc-results-body.is-computing .bc-risk-cell .bc-val {
  color: transparent; position: relative; overflow: hidden; border-radius: 6px;
  background: var(--bc-surface-sunken);
  animation: bc-pulse 1.2s ease-in-out infinite;
}

/* ==========================================================================
   Dialogs & notices (page-local; no framework)
   ========================================================================== */

.bc-dialog-backdrop {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(10, 16, 26, 0.55);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.bc-dialog {
  width: min(440px, 100%); background: var(--bc-surface);
  border: 1px solid var(--bc-border); border-radius: var(--bc-radius);
  box-shadow: var(--bc-shadow-pop); padding: 24px;
  animation: bc-reveal 0.18s ease both;
}
.bc-dialog h3 { font-size: 1.08rem; font-weight: 700; margin: 0 0 8px; color: var(--bc-ink); display: flex; gap: 10px; align-items: center; }
.bc-dialog h3 i { color: var(--bc-accent); }
.bc-dialog h3 i.fa-triangle-exclamation, .bc-dialog h3 i.fa-exclamation-triangle { color: var(--bc-warning); }
.bc-dialog h3 i.fa-circle-check, .bc-dialog h3 i.fa-check-circle { color: var(--bc-success); }
.bc-dialog p { font-size: 0.9rem; color: var(--bc-ink-2); margin: 0 0 6px; }
.bc-dialog-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; flex-wrap: wrap; }

/* portfolio modal (uses the same dialog primitives) */
.bc-dialog .bc-field { margin-top: 10px; }

/* ==========================================================================
   Education / SEO block
   ========================================================================== */

.bc-education { margin-top: 26px; }
.bc-education-toggle {
  width: 100%; display: flex; align-items: center; gap: 10px;
  padding: 16px 20px; border: none; cursor: pointer; text-align: left;
  background: transparent; color: var(--bc-ink); font-size: 0.95rem; font-weight: 600;
}
.bc-education-toggle i.chevron { margin-left: auto; transition: transform 0.2s ease; color: var(--bc-muted); }
.bc-education-toggle[aria-expanded='true'] i.chevron { transform: rotate(180deg); }
.bc-education-body { padding: 0 20px 20px; color: var(--bc-ink-2); font-size: 0.9rem; }
.bc-education-body h3 { font-size: 1rem; font-weight: 700; color: var(--bc-ink); margin: 18px 0 6px; }
.bc-education-body a { color: var(--bc-accent); }
.bc-education-body ul { padding-left: 20px; }
.bc-education-body li { margin-bottom: 4px; }