/* ================================================================
   Tangency Terminal boot — Concept B “Convergence” (DIFF)
   Canvas braid → snap onto mark → crisp SVG hold → dismiss
   ================================================================ */

.tangency-boot-loader--diff {
  /* Full-bleed over Terminal chrome — edge to edge */
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  z-index: 10050; /* above auth-gate (10000) + cc chrome while booting */
  background: #05080F;
  margin: 0;
  padding: 0;
  overflow: hidden;
  opacity: 1;
  transition: opacity 0.26s ease-out; /* TAN-1670: snappier dismiss */
}

.tangency-boot-loader--diff.is-leaving {
  opacity: 0;
  pointer-events: none;
}

.tangency-boot-loader--diff .tl-diff-stage {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tangency-boot-loader--diff .tl-diff-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  transition: opacity 0.16s ease;
}

.tangency-boot-loader--diff .tl-diff-hold {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 26px;
  opacity: 0;
  visibility: hidden; /* until Convergence snap — kills base-logo flash */
  pointer-events: none;
  user-select: none;
}

.tangency-boot-loader--diff .tl-diff-hold .tl-mark-wrap,
.tangency-boot-loader--diff .tl-diff-hold .mark-wrap {
  position: relative;
  width: min(120px, 18vw);
}

.tangency-boot-loader--diff .tl-diff-hold .tl-mark,
.tangency-boot-loader--diff .tl-diff-hold .mark {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

/* Matt 2026-09-01: logo spotlight removed — crisp mark only on hold */
.tangency-boot-loader--diff .tl-diff-hold .tl-glow {
  display: none !important;
}

.tangency-boot-loader--diff .tl-diff-hold .tl-word {
  font-family: "DM Sans", "Inter", system-ui, sans-serif;
  font-weight: 600;
  font-size: clamp(18px, 2.2vw, 26px);
  color: #F4F8FF;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
}

.tangency-boot-loader--diff .tl-diff-hold .tl-tag {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: #64748B;
  text-transform: uppercase;
}

@media (prefers-reduced-motion: reduce) {
  .tangency-boot-loader--diff .tl-diff-canvas {
    display: none;
  }
  .tangency-boot-loader--diff .tl-diff-hold {
    opacity: 1 !important;
  }
}