/* ==========================================================================
   Triangle Calculator
   Editorial dossier, case tabs, results, to-scale SVG drawing, steps,
   ambiguous-case pills + Pro explorer / practice sheet.
   ========================================================================== */

/* ---- Editorial ---------------------------------------------------------- */
.trc-ed { display: grid; grid-template-columns: 104px 1fr; gap: 1.5rem; align-items: start; }
.trc-ed-art { display: flex; flex-direction: column; align-items: center; color: var(--cluster-dark, #114F8D); }
.trc-ed-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase;
  margin-top: 0.6rem; opacity: 0.65; border: 1px solid currentColor;
  padding: 0.15rem 0.45rem; border-radius: 2px;
}
.trc-ed-head { display: flex; align-items: baseline; gap: 0.7rem; flex-wrap: wrap; margin-bottom: 0.55rem; }
.trc-ed-head h2 { font-weight: 600; letter-spacing: -0.01em; }
.trc-ed-badge {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase;
  padding: 0.22rem 0.6rem; background: var(--cluster-dark, #114F8D); color: #fff; border-radius: 2px;
}
.trc-ed p { margin: 0 0 0.7rem 0; }
.trc-ed-meta {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.55rem 1.4rem; padding-top: 0.8rem; font-size: 0.78rem;
  border-top: 1px dashed color-mix(in srgb, var(--cluster-dark, #114F8D) 35%, transparent);
}
.trc-ed-meta span {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase;
  opacity: 0.6; display: block; margin-bottom: 0.1rem;
}
@media (max-width: 575.98px) {
  .trc-ed { grid-template-columns: 1fr; gap: 1rem; }
  .trc-ed-art { flex-direction: row; gap: 0.8rem; align-items: center; }
  .trc-ed-code { margin-top: 0; }
}

/* ---- Case tabs + inputs ------------------------------------------------- */
.trc-case-tabs { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 0.5rem; }
.trc-case {
  border: 1px solid var(--evvy-border-color, #DEE2E6); background: transparent; color: inherit;
  border-radius: 999px; font-size: 0.85rem; font-weight: 700; letter-spacing: 0.04em;
  padding: 0.3rem 0.95rem; cursor: pointer;
}
.trc-case.active { background: var(--cluster-dark, #114F8D); color: #fff; border-color: var(--cluster-dark, #114F8D); }
.trc-case-hint { font-size: 0.8rem; color: var(--evvy-text-secondary, #6C757D); margin-bottom: 0.9rem; min-height: 1.2em; }
.trc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 575.98px) { .trc-grid { grid-template-columns: 1fr; } }

/* ---- Results ------------------------------------------------------------ */
.trc-results { display: none; }
.trc-results.show { display: block; }
.trc-hero-sub { font-size: 0.84rem; line-height: 1.6; margin-top: 0.5rem; color: var(--evvy-text-secondary, #6C757D); }
.trc-mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.98rem; line-height: 1.5; }
.trc-small-val { font-size: 1.15rem; text-transform: capitalize; }
.trc-row-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 767.98px) { .trc-row-3 { grid-template-columns: 1fr; } }

.trc-two-note {
  border: 1px solid #B9770E; border-radius: var(--evvy-radius-lg, 12px);
  background: color-mix(in srgb, #B9770E 9%, transparent);
  padding: 0.8rem 1rem; margin-bottom: 1rem; font-size: 0.9rem;
}
.trc-sol-pills { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-top: 0.55rem; }
.trc-sol-pill {
  border: 1px solid #B9770E; background: transparent; color: inherit;
  border-radius: 999px; font-size: 0.8rem; font-weight: 600; padding: 0.25rem 0.8rem; cursor: pointer;
}
.trc-sol-pill.active { background: #B9770E; color: #fff; }

.trc-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.25rem; }
@media (max-width: 767.98px) { .trc-duo { grid-template-columns: 1fr; } }
.trc-panel {
  border: 1px solid var(--evvy-border-color, #DEE2E6); border-radius: var(--evvy-radius-lg, 12px);
  padding: 1.1rem 1.2rem; background: var(--bs-body-bg, #fff);
}
.trc-duo ~ .trc-panel, .trc-results > .trc-panel { margin-top: 1.25rem; }
.trc-duo .trc-panel { margin-top: 0; }
[data-bs-theme="dark"] .trc-panel { background: var(--evvy-gray-100, #1E1E1E); }
.trc-callout { border-left: 4px solid var(--cluster-dark, #114F8D); }
.trc-panel-title {
  font-weight: 700; font-size: 0.95rem; margin-bottom: 0.8rem;
  display: flex; align-items: center; gap: 0.45rem; color: var(--cluster-dark, #114F8D);
}
.trc-muted { font-size: 0.78rem; color: var(--evvy-text-secondary, #6C757D); line-height: 1.55; }

/* ---- Drawing ------------------------------------------------------------ */
.trc-draw svg { width: 100%; height: auto; max-height: 300px; display: block; }
.trc-draw-sm svg { max-height: 200px; }
.trc-tri {
  fill: color-mix(in srgb, var(--cluster-dark, #114F8D) 12%, transparent);
  stroke: var(--cluster-dark, #114F8D); stroke-width: 0.6%;
  vector-effect: non-scaling-stroke; stroke-width: 2px;
}
.trc-lbl { fill: currentColor; font-weight: 700; font-family: Georgia, serif; }
.trc-lbl2 { fill: var(--evvy-text-secondary, #6C757D); font-family: ui-monospace, monospace; }

/* ---- Facts + steps ------------------------------------------------------ */
.trc-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem 1.4rem; font-size: 0.9rem; }
.trc-facts span {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--evvy-text-secondary, #6C757D); display: block; margin-bottom: 0.1rem;
}
.trc-facts strong { font-variant-numeric: tabular-nums; }
.trc-step {
  font-size: 0.9rem; line-height: 1.7; padding: 0.4rem 0;
  border-bottom: 1px dashed var(--evvy-border-color, #DEE2E6);
}
.trc-step:last-child { border-bottom: none; }
.trc-step code { background: transparent; padding: 0; color: inherit; overflow-wrap: anywhere; }

/* ---- Explorer ----------------------------------------------------------- */
.trc-explore-row { display: grid; gap: 0.5rem; margin-bottom: 0.8rem; }
.trc-explore-row input[type="range"] { accent-color: var(--cluster-dark, #114F8D); }
.trc-explore-out { font-size: 0.9rem; }
.trc-x-none { color: #C0392B; font-weight: 700; } [data-bs-theme="dark"] .trc-x-none { color: #E74C3C; }
.trc-x-one { color: #1E8449; font-weight: 700; } [data-bs-theme="dark"] .trc-x-one { color: #58D68D; }
.trc-x-two { color: #B9770E; font-weight: 700; } [data-bs-theme="dark"] .trc-x-two { color: #F5B041; }

/* ---- Misc --------------------------------------------------------------- */
.trc-outline-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  border: 1px solid var(--cluster-dark, #114F8D); background: transparent;
  color: var(--cluster-dark, #114F8D); border-radius: 999px;
  padding: 0.35rem 0.95rem; font-size: 0.82rem; font-weight: 600; cursor: pointer; white-space: nowrap;
}
.trc-outline-btn:hover { background: var(--cluster-dark, #114F8D); color: var(--cluster-text, #fff); }
.trc-error {
  margin-top: 1rem; padding: 0.7rem 1rem; border-radius: 8px; font-size: 0.88rem;
  background: color-mix(in srgb, #C0392B 10%, transparent); color: #C0392B;
}
[data-bs-theme="dark"] .trc-error { color: #E74C3C; }

/* ---- Print sheet -------------------------------------------------------- */
.trc-print-area { display: none; }
@media print {
  body.trc-printing .evvy-tool-ui > :not(.trc-print-area),
  body.trc-printing .evvy-tool-content, body.trc-printing header, body.trc-printing footer,
  body.trc-printing .evvy-tool-header, body.trc-printing .evvy-ad-leaderboard { display: none !important; }
  body.trc-printing .trc-print-area { display: block !important; }
  .trc-sheet-p h1 { font-size: 16pt; margin: 0 0 10pt; }
  .trc-sheet-p ol { font-size: 11pt; line-height: 2; }
  .trc-sheet-break { break-after: page; }
  .trc-sheet-f { font-size: 8pt; color: #555; margin-top: 12pt; }
}