/* Trajon Step & Persistence Lab v1
   τ = Trajon. Γ is reserved for Trajnica. Scoped to tj-* only. */

body.tj-modal-open { overflow: hidden; }

.tj-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(4, 4, 7, .84);
  backdrop-filter: blur(11px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .18s ease, visibility .18s ease;
}
.tj-backdrop.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.tj-dialog {
  --tj-bg: #09090d;
  --tj-panel: #101016;
  --tj-ink: #f0f0f3;
  --tj-muted: #92929d;
  --tj-line: rgba(180, 180, 195, .22);
  --tj-accent: #d6b66e;
  --tj-accent-soft: rgba(214,182,110,.13);
  --tj-cool: #8296be;

  width: min(1110px, 100%);
  max-height: min(91vh, 940px);
  overflow: auto;
  border: 1px solid var(--tj-line);
  border-radius: 18px;
  background:
    radial-gradient(circle at 15% 0%, rgba(214,182,110,.08), transparent 28%),
    radial-gradient(circle at 88% 26%, rgba(130,150,190,.06), transparent 24%),
    linear-gradient(180deg, #0b0b10 0%, var(--tj-bg) 100%);
  color: var(--tj-ink);
  box-shadow: 0 28px 90px rgba(0,0,0,.54);
  padding: 20px;
}

.tj-dialog * { box-sizing: border-box; }
.tj-dialog button,
.tj-dialog input { font: inherit; }

.tj-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--tj-line);
}
.tj-kicker {
  margin: 0 0 6px;
  color: #e0c88e;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .17em;
}
.tj-head h2 {
  margin: 0;
  font-size: clamp(1.4rem, 2.8vw, 2.05rem);
  line-height: 1.03;
  letter-spacing: -.02em;
}
.tj-sub {
  margin: 8px 0 0;
  color: var(--tj-muted);
  font-size: 12px;
}
.tj-close,
.tj-run-button,
.tj-return-button { cursor: pointer; }

.tj-close {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border: 1px solid var(--tj-line);
  border-radius: 9px;
  background: transparent;
  color: var(--tj-ink);
  font-size: 20px;
}
.tj-close:hover { background: var(--tj-accent-soft); }

.tj-formal-lock {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 9px;
  margin: 14px 0;
}
.tj-formal-lock > div {
  border: 1px solid var(--tj-line);
  border-radius: 11px;
  background: rgba(255,255,255,.02);
  padding: 10px;
}
.tj-formal-lock span,
.tj-formal-lock small {
  display: block;
  color: var(--tj-muted);
  font-size: 9px;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.tj-formal-lock strong {
  display: block;
  margin: 7px 0 3px;
  font-size: .98rem;
}

.tj-main-grid {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: 12px;
}
.tj-panel {
  border: 1px solid var(--tj-line);
  border-radius: 14px;
  background: rgba(255,255,255,.018);
  padding: 13px;
}
.tj-controls {
  display: grid;
  gap: 15px;
  align-content: start;
}
.tj-panel h3,
.tj-reading > span,
.tj-question > span,
.tj-formal-view > span {
  display: block;
  margin: 0;
  color: #a9a9b1;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .12em;
}

.tj-control label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
  color: var(--tj-muted);
  font-size: 10px;
}
.tj-control label b { color: var(--tj-ink); }
.tj-control input[type="range"] {
  width: 100%;
  accent-color: var(--tj-accent);
}
.tj-control small {
  display: block;
  margin-top: 5px;
  color: #72727d;
  font-size: 9px;
  line-height: 1.35;
}
.tj-run-button {
  border: 1px solid var(--tj-accent);
  border-radius: 10px;
  background: var(--tj-accent);
  color: #0a0905;
  padding: 10px 12px;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .05em;
}

.tj-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 8px;
}
.tj-metrics article {
  min-height: 74px;
  border: 1px solid var(--tj-line);
  border-radius: 10px;
  background: rgba(255,255,255,.02);
  padding: 10px;
}
.tj-metrics span {
  display: block;
  color: var(--tj-muted);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.tj-metrics strong {
  display: block;
  margin-top: 8px;
  font-size: .95rem;
}

.tj-map {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 3px;
}
.tj-axis {
  stroke: var(--tj-line);
  stroke-width: 1.5;
  stroke-dasharray: 5 7;
}
.tj-path-line {
  fill: none;
  stroke: var(--tj-accent);
  stroke-width: 4;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.tj-origin { fill: var(--tj-accent); }
.tj-step-dot {
  fill: var(--tj-cool);
  opacity: .85;
}
.tj-step-dot-major {
  fill: var(--tj-accent);
}
.tj-label,
.tj-formula-label {
  fill: var(--tj-muted);
  font-size: 10px;
}
.tj-formula-label {
  fill: #c7b98f;
  font-size: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.tj-arrow-head { fill: var(--tj-accent); }

.tj-reading,
.tj-question {
  margin-top: 10px;
  border: 1px solid var(--tj-line);
  border-radius: 12px;
  background: rgba(255,255,255,.018);
  padding: 12px;
}
.tj-reading { border-left: 2px solid var(--tj-accent); }
.tj-question { border-left: 2px solid var(--tj-cool); }
.tj-reading p,
.tj-question p {
  margin: 7px 0 0;
  color: #e7e7eb;
  font-size: 12px;
  line-height: 1.5;
}
.tj-question p { font-style: italic; }

.tj-formal-view {
  margin-top: 10px;
  border: 1px solid var(--tj-line);
  border-radius: 12px;
  background: var(--tj-accent-soft);
  padding: 11px 12px;
}
.tj-formal-view strong {
  display: block;
  margin-top: 7px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 600;
}
.tj-formal-view small {
  display: block;
  margin-top: 7px;
  color: #777780;
  font-size: 9px;
  line-height: 1.4;
}

.tj-foot {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 14px;
  align-items: center;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--tj-line);
  color: #777780;
  font-size: 9px;
  letter-spacing: .08em;
}
.tj-return-button {
  border: 1px solid var(--tj-line);
  border-radius: 9px;
  background: transparent;
  color: var(--tj-ink);
  padding: 8px 11px;
  font-size: 9px;
  font-weight: 800;
}
.tj-return-button:hover { background: var(--tj-accent-soft); }

@media (max-width: 820px) {
  .tj-backdrop { padding: 10px; }
  .tj-dialog { max-height: 95vh; padding: 15px; }
  .tj-main-grid { grid-template-columns: 1fr; }
  .tj-foot { grid-template-columns: 1fr auto; }
  .tj-close-hint { display: none; }
}

@media (max-width: 560px) {
  .tj-backdrop { padding: 0; place-items: stretch; }
  .tj-dialog {
    width: 100%;
    max-height: 100vh;
    min-height: 100vh;
    border-radius: 0;
    border-left: 0;
    border-right: 0;
    padding: 14px;
  }
  .tj-formal-lock { grid-template-columns: 1fr; }
  .tj-metrics { grid-template-columns: 1fr 1fr; }
  .tj-metrics article:last-child { grid-column: 1 / -1; }
  .tj-foot { grid-template-columns: 1fr; }
  .tj-return-button { width: 100%; }
}