/**
 * BOOT SCREEN - Windows XP
 * 
 * Animação de inicialização do sistema
 */

/* ==================== RESET & BASE ==================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-sm);
  overflow: hidden;
  height: 100vh;
  background: url('../img/bliss.jpg') center center / cover no-repeat fixed;
}

/* ==================== BOOT SCREEN ==================== */

.boot-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--xp-black);
  z-index: var(--z-index-boot);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: opacity var(--transition-slow);
}

.boot-screen.fade-out {
  opacity: 0;
}

.boot-screen.hidden {
  display: none !important;
}

/* ==================== LOGO ==================== */

.boot-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 60px;
  animation: fadeInDown 0.8s ease-out;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.boot-windows-logo {
  width: 90px;
  height: auto;
  margin-bottom: var(--spacing-lg);
  filter: drop-shadow(0 0 20px rgba(58, 147, 255, 0.5));
}

/* ==================== TEXTO ==================== */

.boot-text {
  color: var(--xp-white);
  font-family: var(--font-family-boot);
  text-align: center;
}

.boot-text .microsoft {
  font-size: var(--font-size-lg);
  letter-spacing: 3px;
  margin-bottom: var(--spacing-sm);
}

.boot-text .windows {
  font-size: var(--font-size-xxl);
  font-weight: normal;
  font-style: italic;
  letter-spacing: -2px;
}

.boot-text .windows span {
  font-size: 24px;
  font-style: normal;
  vertical-align: super;
}

.boot-text .edition {
  font-size: var(--font-size-xl);
  color: #ccc;
  margin-top: var(--spacing-sm);
}

/* ==================== BARRA DE PROGRESSO ==================== */

.boot-progress {
  width: 200px;
  height: 20px;
  background: var(--xp-black);
  border: 1px solid #333;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  position: relative;
  animation: fadeIn 1s ease-out 0.5s backwards;
}

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

.boot-progress-inner {
  position: absolute;
  top: var(--spacing-xs);
  left: var(--spacing-xs);
  bottom: var(--spacing-xs);
  display: flex;
  gap: var(--spacing-xs);
  animation: progressMove 1s linear infinite;
}

@keyframes progressMove {
  0% { left: -60px; }
  100% { left: 200px; }
}

.progress-block {
  width: 12px;
  height: 100%;
  background: var(--gradient-progress);
  border-radius: 1px;
  box-shadow: 0 0 10px rgba(80, 137, 216, 0.5);
}

/* ==================== RODAPÉ ==================== */

.boot-copyright {
  position: absolute;
  bottom: 30px;
  left: 30px;
  color: #808080;
  font-size: var(--font-size-sm);
  font-family: var(--font-family-primary);
  animation: fadeIn 1.2s ease-out;
}

.boot-ms-logo {
  position: absolute;
  bottom: 30px;
  right: 30px;
  color: #808080;
  font-size: var(--font-size-lg);
  font-family: var(--font-family-ms);
  font-style: italic;
  animation: fadeIn 1.2s ease-out;
}

/* ==================== RESPONSIVO ==================== */

@media (max-width: 600px) {
  .boot-windows-logo {
    width: 70px;
  }
  
  .boot-text .windows {
    font-size: 36px;
  }
  
  .boot-text .windows span {
    font-size: 18px;
  }
  
  .boot-copyright,
  .boot-ms-logo {
    font-size: var(--font-size-xs);
    bottom: 15px;
  }
  
  .boot-copyright {
    left: 15px;
  }
  
  .boot-ms-logo {
    right: 15px;
  }
}