/* ============================================================================
 * activation.css — ARETE's cold-start / "boot online" screen.
 * A full-viewport overlay that sits above the dashboard until ARETE is woken up.
 * Mobile-first: everything sizes with clamp()/vmin so it feels native on a phone.
 * ========================================================================== */
#arete-boot {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 2.6vh, 26px);
  background: radial-gradient(circle at 50% 42%, #06182b 0%, #020a14 62%, #01060c 100%);
  font-family: 'Courier New', ui-monospace, monospace;
  color: #8ecfea;
  text-align: center;
  padding: max(24px, env(safe-area-inset-top)) 22px max(24px, env(safe-area-inset-bottom));
  overflow: hidden;
  transition: opacity 0.9s ease, visibility 0.9s ease;
}
#arete-boot.activated {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.arete-core-canvas {
  display: block;
  width: min(72vmin, 420px);
  height: min(72vmin, 420px);
  max-width: 92vw;
}

.boot-wordmark {
  font-size: clamp(2.3rem, 12vw, 5rem);
  font-weight: 700;
  letter-spacing: clamp(6px, 3vw, 18px);
  /* nudge right to visually center despite trailing letter-spacing */
  margin-left: clamp(6px, 3vw, 18px);
  color: #eaffff;
  text-shadow: 0 0 18px rgba(0, 212, 255, 0.55);
}

.boot-greeting {
  font-size: clamp(0.6rem, 2.6vw, 0.8rem);
  letter-spacing: 4px;
  line-height: 1.2;          /* match the tagline so the button sits evenly centered */
  max-width: 34ch;
  color: #5aa8c8;
}

.boot-activate {
  margin-top: 4px;
  padding: 14px 36px;
  font-family: inherit;
  font-size: clamp(0.7rem, 3vw, 0.85rem);
  letter-spacing: 5px;
  color: #00d4ff;
  background: transparent;
  border: 1px solid rgba(0, 212, 255, 0.5);
  border-radius: 40px;
  cursor: pointer;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.18), inset 0 0 14px rgba(0, 212, 255, 0.07);
  transition: all 0.25s ease;
  -webkit-tap-highlight-color: transparent;
}
.boot-activate:hover,
.boot-activate:active {
  color: #eaffff;
  background: rgba(0, 212, 255, 0.1);
  box-shadow: 0 0 34px rgba(0, 212, 255, 0.4), inset 0 0 18px rgba(0, 212, 255, 0.14);
}
.boot-activate.booting {
  opacity: 0.55;
  letter-spacing: 9px;
  pointer-events: none;
}

.boot-tagline {
  font-size: clamp(0.55rem, 2.2vw, 0.68rem);
  letter-spacing: 6px;
  color: #2f6e88;
}

.boot-hud {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  margin-bottom: clamp(2px, 1.2vh, 12px);
}
.hud-time {
  font-size: clamp(1.5rem, 6.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: 2px;
  white-space: nowrap;
  color: #eaffff;
  text-shadow: 0 0 14px rgba(0, 212, 255, 0.45);
}
.hud-date {
  font-size: clamp(0.55rem, 2.4vw, 0.72rem);
  letter-spacing: 4px;
  color: #5aa8c8;
}
.hud-weather {
  font-size: clamp(0.55rem, 2.4vw, 0.72rem);
  letter-spacing: 3px;
  color: #7fb8d4;
  min-height: 1em;
}

@media (prefers-reduced-motion: reduce) {
  #arete-boot { transition: none; }
}