/* ============================================
   BOOT.CSS — Intro boot sequence styles
   ============================================ */

#boot-screen {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9990;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#boot-screen.fade-out {
  opacity: 0;
  transform: scale(1.04);
  pointer-events: none;
}

.boot-container {
  width: 100%;
  max-width: 720px;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.2vw, 1.3rem);
}

/* ── Header bar ── */
.boot-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--green-dim);
  padding: 8px 16px;
  margin-bottom: 0;
  color: var(--green-dim);
  font-size: 0.85rem;
}

.boot-header .blink { color: var(--green); }

/* ── Log area ── */
.boot-log {
  border: 1px solid var(--green-dim);
  border-top: none;
  padding: 1.5rem;
  min-height: 280px;
  position: relative;
  overflow: hidden;
}

.boot-log::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 80%, var(--bg) 100%);
  pointer-events: none;
}

.log-line {
  display: block;
  color: var(--green);
  line-height: 1.9;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.log-line.visible {
  opacity: 1;
  transform: translateX(0);
}

.log-line .log-ok   { color: var(--green); }
.log-line .log-warn { color: var(--amber); }
.log-line .log-fail { color: #ff4444; }
.log-line .log-dim  { color: var(--green-dim); opacity: 0.6; }

/* ── Progress bar ── */
.boot-progress-wrap {
  border: 1px solid var(--green-dim);
  border-top: none;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.boot-progress-label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--green-dim);
  min-width: 80px;
}

.boot-progress-bar {
  flex: 1;
  height: 8px;
  background: rgba(0,255,65,0.1);
  border: 1px solid var(--green-dim);
  position: relative;
  overflow: hidden;
}

.boot-progress-fill {
  height: 100%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  width: 0%;
  transition: width 0.15s linear;
  position: relative;
}

.boot-progress-fill::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  width: 20px;
  height: 100%;
  background: white;
  opacity: 0.6;
  filter: blur(4px);
}

.boot-progress-pct {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--green);
  min-width: 40px;
  text-align: right;
}

/* ── Title slam ── */
.boot-title-screen {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9991;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
}

.boot-title-screen.active {
  opacity: 1;
  pointer-events: all;
}

.boot-name {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 8vw, 7rem);
  font-weight: 900;
  color: var(--green);
  text-shadow: 0 0 20px var(--green), 0 0 60px var(--green-glow);
  letter-spacing: 0.08em;
  text-align: center;
  transform: scale(0.6);
  transition: transform 0.5s cubic-bezier(0.34,1.56,0.64,1), opacity 0.4s;
  opacity: 0;
}

.boot-title-screen.slam .boot-name {
  transform: scale(1);
  opacity: 1;
}

.boot-tagline {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 2rem);
  color: var(--amber);
  letter-spacing: 0.15em;
  margin-top: 0.5rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease 0.4s, transform 0.5s ease 0.4s;
}

.boot-title-screen.slam .boot-tagline {
  opacity: 1;
  transform: translateY(0);
}

.boot-prompt {
  margin-top: 3rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--green-dim);
  letter-spacing: 0.2em;
  opacity: 0;
  transition: opacity 0.5s ease 0.8s;
}

.boot-title-screen.slam .boot-prompt {
  opacity: 1;
}

/* Glitch flash overlay */
.glitch-flash {
  position: fixed;
  inset: 0;
  background: var(--green);
  z-index: 9995;
  opacity: 0;
  pointer-events: none;
}

.glitch-flash.flash {
  animation: flashAnim 0.4s ease forwards;
}

@keyframes flashAnim {
  0%   { opacity: 0.8; }
  30%  { opacity: 0; }
  50%  { opacity: 0.4; }
  70%  { opacity: 0; }
  85%  { opacity: 0.2; }
  100% { opacity: 0; }
}