/* ─────────────────────────────────────────────
   Boot Splash
   ───────────────────────────────────────────── */

#boot-splash {
  position: fixed;
  inset: 0;
  z-index: 1000000;
  background: #000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  transition: opacity 500ms ease-out, visibility 500ms;
  opacity: 1;
  visibility: visible;
}

#boot-splash.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

#boot-splash img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  animation: bootLogoIn 800ms cubic-bezier(0.34, 1.2, 0.64, 1) forwards;
  filter: drop-shadow(0 0 40px rgba(99, 102, 241, 0.4));
}

#boot-splash .boot-text {
  font-size: var(--font-sm);
  font-weight: var(--weight-medium);
  color: rgba(255,255,255,0.8);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  animation: bootFadeIn 600ms ease-out 300ms backwards;
}

#boot-splash .boot-bar {
  width: 200px;
  height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
  animation: bootFadeIn 600ms ease-out 400ms backwards;
}

#boot-splash .boot-bar::after {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: var(--accent-color);
  border-radius: var(--radius-full);
  transform-origin: left;
  animation: bootBar 1200ms cubic-bezier(0.4, 0, 0.2, 1) 500ms forwards;
  box-shadow: 0 0 20px var(--accent-glow);
}

@keyframes bootLogoIn {
  from { opacity: 0; transform: scale(0.8); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes bootFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes bootBar {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* ─────────────────────────────────────────────
   Lock Screen
   ───────────────────────────────────────────── */

#lock-screen {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99999;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-8) var(--space-4);
  overflow: hidden;
  background: transparent;
  animation: lockFadeIn 400ms ease-out forwards;
}

#lock-screen.visible {
  display: flex;
}

#lock-bg {
  position: absolute;
  inset: -40px;
  z-index: 0;
  filter: blur(50px) saturate(160%) brightness(0.7);
  transform: scale(1.1);
}

#lock-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.35);
}

.lock-clock {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
  text-shadow: 0 4px 30px rgba(0,0,0,0.7), 0 0 60px rgba(99, 102, 241, 0.3);
  user-select: none;
  margin-top: 15vh;
}

.lock-bottom {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  margin-bottom: 8vh;
}

@keyframes lockFadeIn {
  from { opacity: 0; transform: scale(1.02); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes lockUnlock {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  30% {
    opacity: 0.8;
    transform: scale(1.01);
  }
  100% {
    opacity: 0;
    transform: scale(1.05);
    filter: blur(10px);
  }
}

@keyframes lockUnlockBottom {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(30px);
    filter: blur(8px);
  }
}

@keyframes lockUnlockTime {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(-30px);
    filter: blur(8px);
  }
}

.lock-clock {
  text-align: center;
  color: #fff;
  text-shadow: 0 4px 30px rgba(0,0,0,0.7), 0 0 60px rgba(99, 102, 241, 0.3);
  user-select: none;
}

.lock-time {
  font-size: 96px;
  font-weight: 100;
  letter-spacing: var(--tracking-tight);
  line-height: 1;
  color: #fff;
  transition: all 0.3s ease;
}

.lock-date {
  font-size: var(--font-lg);
  font-weight: var(--weight-normal);
  color: rgba(255,255,255,0.8);
  margin-top: var(--space-2);
  letter-spacing: var(--tracking-wide);
  transition: all 0.3s ease;
}

.lock-username {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-md);
  font-weight: var(--weight-normal);
  color: rgba(255,255,255,0.85);
  letter-spacing: var(--tracking-wide);
  padding: var(--space-3) var(--space-5);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-full);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  transition: all var(--transition-base);
}

.lock-username:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.25);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.3), 0 0 30px rgba(99, 102, 241, 0.2);
}

.lock-username i {
  font-size: var(--font-lg);
  color: var(--accent-color);
}

.lock-btn {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-md);
  font-weight: var(--weight-medium);
  font-family: inherit;
  letter-spacing: var(--tracking-wide);
  color: #fff;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.1);
}

.lock-btn:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.45);
  transform: scale(1.05);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.15), 0 0 40px rgba(99, 102, 241, 0.3);
}

.lock-btn:active {
  transform: scale(0.96);
  transition: transform 0.1s ease-out;
}

.lock-unlocking-time {
  animation: lockUnlockTime 350ms ease-out forwards;
}

.lock-unlocking-bottom {
  animation: lockUnlockBottom 350ms ease-out forwards;
}