/* EMF Command Center boot splash — Were-Tech logo lock + frequency tune. */

.emf-boot-splash {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  overflow: hidden;
  pointer-events: auto;
  will-change: opacity;
}

.emf-boot-splash.phase-live {
  background:
    radial-gradient(ellipse 90% 55% at 50% 48%, rgba(34, 211, 238, 0.12), transparent 65%),
    radial-gradient(ellipse 60% 40% at 50% 55%, rgba(245, 158, 11, 0.06), transparent 70%),
    var(--f-bg-deep);
  transition: background 0.7s var(--f-ease-deck);
}

.emf-boot-splash__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--f-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--f-grid-line) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.55s var(--f-ease-deck);
}

.emf-boot-splash.phase-live .emf-boot-splash__grid {
  opacity: 0.5;
}

.emf-boot-scene {
  position: relative;
  z-index: 2;
  width: min(92vw, 520px);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
}

/* Were-Tech wolf mark */
.emf-boot-logo {
  width: 10.5rem;
  height: 10.5rem;
  margin: 0.15rem auto 0.35rem;
  clip-path: circle(0% at 50% 50%);
  will-change: clip-path;
}
.emf-boot-logo__svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}
.emf-boot-logo__ring-stroke {
  fill: none;
  stroke: var(--f-accent);
  stroke-width: 1.2;
  stroke-linecap: round;
  opacity: 0.35;
}
.emf-boot-logo.is-ring-drawn .emf-boot-logo__ring-stroke {
  opacity: 0.65;
}
.emf-boot-logo__mark {
  opacity: 1;
  filter: drop-shadow(0 0 10px rgba(34, 211, 238, 0.22));
}

.emf-boot-wordmark,
.emf-boot-brand,
.emf-boot-title {
  opacity: 0;
  transform: translateY(10px);
  will-change: opacity, transform;
}

.emf-boot-wordmark {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: var(--f-accent);
}

.emf-boot-brand {
  margin: -0.35rem 0 0;
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--f-muted);
}

.emf-boot-title {
  margin: 0.15rem 0 0;
  font-size: clamp(1.1rem, 3vw, 1.45rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--f-accent);
}

.emf-boot-radar,
.emf-boot-spectrum {
  display: none;
}

.emf-boot-tuner {
  font-family: var(--f-mono);
  font-size: clamp(1.35rem, 5vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--f-text);
  min-height: 2.5rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--f-border);
  border-radius: 6px;
  background: rgba(6, 12, 22, 0.75);
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.08);
  opacity: 0;
  transform: translateY(8px);
  transition:
    color 0.55s var(--f-ease-deck),
    border-color 0.55s var(--f-ease-deck),
    box-shadow 0.55s var(--f-ease-deck),
    letter-spacing 0.55s var(--f-ease-deck);
  will-change: opacity, transform;
}
.emf-boot-tuner__line {
  display: inline-block;
  will-change: opacity, transform;
}
.emf-boot-tuner.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.emf-boot-tuner.is-locked {
  color: var(--f-accent);
  border-color: var(--f-accent);
  box-shadow: 0 0 32px var(--f-accent-glow);
  letter-spacing: 0.22em;
}

.emf-boot-status {
  margin: 0;
  font-size: 0.78rem;
  color: var(--f-muted);
  min-height: 1.35rem;
}
.emf-boot-status__line {
  display: inline-block;
  will-change: opacity, transform;
}
.emf-boot-status em {
  color: var(--f-accent);
  font-style: normal;
  font-weight: 600;
}

.emf-boot-splash.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Deck hidden until handoff — opacity only; transform on .command-deck breaks position:fixed nav on mobile. */
body.boot-splash-active .command-deck {
  opacity: 0;
  filter: blur(2px);
  pointer-events: none;
}

@keyframes emfDeckEmerge {
  0% {
    opacity: 0;
    filter: blur(2px);
  }
  100% {
    opacity: 1;
    filter: blur(0);
  }
}

body.deck-handoff .command-deck {
  pointer-events: auto;
  animation: emfDeckEmerge var(--f-handoff-ms) var(--f-ease-deck) forwards;
}

@media (prefers-reduced-motion: reduce) {
  .emf-boot-logo {
    clip-path: circle(74% at 50% 50%);
  }
  .emf-boot-logo__ring-stroke {
    stroke-dashoffset: 0;
    opacity: 0.65;
  }
  .emf-boot-wordmark,
  .emf-boot-brand,
  .emf-boot-title,
  .emf-boot-tuner.is-visible {
    opacity: 1;
    transform: none;
  }
  body.deck-handoff .command-deck {
    animation: none;
    opacity: 1;
    filter: none;
  }
}