/*
 * components/deployment_tracker.css — Deployment step tracker (Session 5).
 *
 * Paired with templates/components/deployment_tracker.html. Shows the
 * A4 state machine (QUEUED -> HEALTHY) as a vertical timeline with
 * done/current/failed/future step states. Token-driven (D5).
 */

.tracker { list-style: none; margin: 0; padding: 0; }

.tracker__step {
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  align-items: start;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  position: relative;
}

.tracker__step::before {
  content: "";
  position: absolute;
  left: 0.7rem;
  top: 1.7rem;
  bottom: -0.3rem;
  width: 2px;
  background: var(--color-border);
}
.tracker__step:last-child::before { display: none; }

.tracker__dot {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: var(--radius-pill);
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: var(--fw-bold);
  z-index: var(--z-base);
  color: var(--color-fg-muted);
}

.tracker__step--done .tracker__dot {
  background: var(--color-success-fg);
  border-color: var(--color-success-fg);
  color: var(--color-accent-fg);
}

.tracker__step--current .tracker__dot {
  border-color: var(--color-accent);
  color: var(--color-accent);
  animation: tracker-ring 1.4s var(--ease-standard) infinite;
}

.tracker__spinner {
  width: 0.9rem;
  height: 0.9rem;
  border: 2px solid var(--color-accent);
  border-right-color: transparent;
  border-radius: var(--radius-pill);
  display: inline-block;
  animation: tracker-spin 0.7s linear infinite;
}

@keyframes tracker-spin {
  to { transform: rotate(360deg); }
}

.tracker__step--failed .tracker__dot {
  background: var(--color-danger-fg);
  border-color: var(--color-danger-fg);
  color: var(--color-accent-fg);
}

@keyframes tracker-ring {
  0%, 100% { box-shadow: 0 0 0 0 var(--color-info-bg); }
  50% { box-shadow: 0 0 0 4px var(--color-info-bg); }
}

.tracker__content { display: flex; flex-direction: column; gap: 0.1rem; }
.tracker__label { font-size: var(--fs-md); font-weight: var(--fw-semibold); }
.tracker__meta { font-size: var(--fs-sm); color: var(--color-fg-muted); }

@media (prefers-reduced-motion: reduce) {
  /* Disable only the decorative pulsing ring. The rotating spinner is
     essential progress feedback ("work is still happening"), so it keeps
     spinning under reduced-motion; a small rotational loader is not the
     large-motion effect this media query is meant to suppress. Windows
     Server / RDP report reduced-motion by default, so silencing it here
     is what made the panel look frozen. */
  .tracker__step--current .tracker__dot { animation: none; }

  /* Re-assert the spin over the global reduced-motion reset in tokens.css,
     which forces animation-duration to 0.001ms and iteration-count to 1 on
     every element (*). Without these !important overrides the spinner
     completes one turn in ~1 microsecond and looks frozen. */
  .tracker__spinner {
    animation-duration: 0.7s !important;
    animation-iteration-count: infinite !important;
  }
}