/* ══════════════════════════════════════════════════════════════
   NEXUS — Onboarding Flow CSS Styles v1.0
   ══════════════════════════════════════════════════════════════ */

.onboarding-container {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-xl) var(--space-lg);
  padding-top: calc(var(--space-xl) + var(--safe-top));
  padding-bottom: calc(var(--space-xl) + var(--safe-bottom));
  max-width: 480px;
  margin: 0 auto;
  overflow: hidden;
  height: 100vh;
  height: 100dvh;
}

.onboarding-slides-wrapper {
  flex: 1;
  display: flex;
  transition: transform var(--duration-slow) var(--ease);
  height: 100%;
}

.onboarding-slide {
  min-width: 100%;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 var(--space-md);
  opacity: 0;
  transform: scale(0.95);
  transition: opacity var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.onboarding-slide.active {
  opacity: 1;
  transform: scale(1);
}

/* Animations/Illustrations */
.onboarding-illustration {
  width: 160px;
  height: 160px;
  margin-bottom: var(--space-2xl);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.onboarding-illustration .chip-glow {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  animation: glow-pulse 3s infinite alternate;
}

.onboarding-illustration .chip-icon {
  font-size: 80px;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.4));
  z-index: 1;
  animation: float 4s ease-in-out infinite;
}

.onboarding-illustration .coins-scatter {
  position: absolute;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.onboarding-illustration .coin-particle {
  position: absolute;
  font-size: 24px;
  animation: orbit-particles 8s linear infinite;
  opacity: 0.8;
}

.onboarding-illustration .coin-particle:nth-child(1) { top: 10%; left: 10%; animation-delay: 0s; }
.onboarding-illustration .coin-particle:nth-child(2) { bottom: 20%; right: 10%; animation-delay: -2s; }
.onboarding-illustration .coin-particle:nth-child(3) { top: 60%; left: 80%; animation-delay: -4.5s; }

/* Typography */
.onboarding-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  line-height: 1.25;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-md);
  text-shadow: 0 0 30px rgba(0, 240, 255, 0.1);
}

.onboarding-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 280px;
  margin-bottom: var(--space-2xl);
}

/* Lang Selection */
.onboarding-lang-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  width: 100%;
  max-width: 280px;
  margin-top: var(--space-md);
}

.lang-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background: rgba(16, 16, 38, 0.5);
  border: 1px solid rgba(159, 102, 255, 0.15);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-weight: 700;
  transition: all var(--duration) var(--ease);
}

.lang-btn:hover, .lang-btn.selected {
  border-color: var(--accent);
  background: rgba(0, 240, 255, 0.05);
  box-shadow: var(--shadow-glow-accent);
}

.lang-btn .flag {
  font-size: 20px;
}

/* Tutorial Cards */
.onboarding-tutorial-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: 100%;
  max-width: 320px;
}

.tutorial-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(16, 16, 38, 0.4);
  border: 1px solid rgba(159, 102, 255, 0.08);
  border-radius: var(--radius);
  text-align: left;
}

.tutorial-card-icon {
  font-size: 28px;
  width: 45px;
  height: 45px;
  background: rgba(159, 102, 255, 0.12);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.tutorial-card-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

.tutorial-card-desc {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-top: 2px;
}

/* Welcome Bonus Card */
.bonus-claim-card {
  background: linear-gradient(145deg, rgba(255, 202, 40, 0.08), rgba(159, 102, 255, 0.08));
  border: 1px dashed rgba(255, 202, 40, 0.35);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  width: 100%;
  max-width: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
  animation: scale-bounce 0.6s var(--ease-spring);
}

.bonus-claim-value {
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 900;
  color: var(--gold);
  text-shadow: 0 0 25px rgba(255, 202, 40, 0.4);
  line-height: 1;
  margin: var(--space-sm) 0;
}

/* Dot Indicators */
.onboarding-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  width: 100%;
  max-width: 320px;
  z-index: 10;
}

.onboarding-dots {
  display: flex;
  gap: 8px;
}

.onboarding-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-ghost);
  transition: all var(--duration) var(--ease);
}

.onboarding-dot.active {
  width: 24px;
  border-radius: 4px;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

.onboarding-btn-row {
  display: flex;
  gap: var(--space-md);
  width: 100%;
}

/* Animations Keyframes */
@keyframes orbit-particles {
  0% { transform: rotate(0deg) translateX(70px) rotate(0deg); }
  100% { transform: rotate(360deg) translateX(70px) rotate(-360deg); }
}

@keyframes scale-bounce {
  0% { transform: scale(0.8); opacity: 0; }
  70% { transform: scale(1.05); }
  100% { transform: scale(1); opacity: 1; }
}