@import "tailwindcss";

:root {
  --background: #0a0a1a;
  --foreground: #e8e8f0;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --card-bg: rgba(15, 15, 35, 0.8);
  --card-border: rgba(99, 102, 241, 0.2);
  --glow: rgba(99, 102, 241, 0.15);
}

@theme inline {
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --color-accent: var(--accent);
  --color-accent-light: var(--accent-light);
  --font-sans: var(--font-geist-sans);
  --font-mono: var(--font-geist-mono);
}

/* Gradient text utilities (bg-linear-to-r not generating CSS in this setup) */
.gradient-text-hero {
  background-image: linear-gradient(to right, #ffffff, #c7d2fe, #d8b4fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text-brand {
  background-image: linear-gradient(to right, #ffffff, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-bar-illumination {
  background-image: linear-gradient(to right, #818cf8, #fde047);
}
.gradient-radial-glow {
  background-image: radial-gradient(circle, rgba(254, 240, 138, 0.1), rgba(99, 102, 241, 0.05), transparent);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans, system-ui, -apple-system, sans-serif);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Dynamic Moon Background */
.moon-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.moon-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(30, 27, 75, 0.3) 0%, transparent 70%);
  animation: nebula 60s ease-in-out infinite alternate;
}

.moon-bg .stars {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.8), transparent),
    radial-gradient(1px 1px at 30% 40%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 50% 10%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1px 1px at 70% 30%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 90% 60%, rgba(255,255,255,0.9), transparent),
    radial-gradient(1px 1px at 15% 70%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 40% 80%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 60% 90%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 80% 15%, rgba(255,255,255,0.7), transparent),
    radial-gradient(2px 2px at 25% 55%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 5% 45%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 85% 75%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 45% 35%, rgba(255,255,255,0.5), transparent),
    radial-gradient(2px 2px at 95% 5%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 55% 65%, rgba(255,255,255,0.7), transparent);
  animation: twinkle 8s ease-in-out infinite alternate;
}

@keyframes nebula {
  0% { transform: rotate(0deg) scale(1); }
  100% { transform: rotate(3deg) scale(1.02); }
}

@keyframes twinkle {
  0% { opacity: 0.7; }
  50% { opacity: 1; }
  100% { opacity: 0.8; }
}

/* Glass card effect */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  transition: all 0.3s ease;
}

.glass-card:hover {
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 0 30px var(--glow);
}

/* Section styling */
.section-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

@media (min-width: 768px) {
  .section-container {
    padding: 6rem 2rem;
  }
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, #e8e8f0, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.5rem;
  }
}

.section-subtitle {
  color: rgba(232, 232, 240, 0.6);
  font-size: 1rem;
  max-width: 600px;
  line-height: 1.6;
}

/* Glow button */
.glow-btn {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.glow-btn:hover {
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.5);
  transform: translateY(-2px);
}

/* Countdown */
.countdown-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 60px;
  padding: 0.75rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 0.75rem;
}

@media (min-width: 640px) {
  .countdown-box {
    min-width: 70px;
    padding: 1rem;
  }
}

.countdown-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: #818cf8;
  font-variant-numeric: tabular-nums;
}

@media (min-width: 640px) {
  .countdown-number {
    font-size: 2rem;
  }
}

.countdown-label {
  font-size: 0.75rem;
  color: rgba(232, 232, 240, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Nav */
.nav-link {
  color: rgba(232, 232, 240, 0.7);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: #818cf8;
  background: rgba(99, 102, 241, 0.1);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #0a0a1a;
}

::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.3);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.5);
}

/* Phase badges */
.phase-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 500;
}

.phase-badge.full_moon {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.phase-badge.new_moon {
  background: rgba(148, 163, 184, 0.15);
  color: #94a3b8;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.phase-badge.first_quarter {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.phase-badge.last_quarter {
  background: rgba(168, 85, 247, 0.15);
  color: #a855f7;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

/* Quiz */
.quiz-option {
  padding: 1rem 1.5rem;
  border: 1px solid var(--card-border);
  border-radius: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--card-bg);
}

.quiz-option:hover {
  border-color: rgba(99, 102, 241, 0.5);
  background: rgba(99, 102, 241, 0.1);
}

.quiz-option.correct {
  border-color: #22c55e;
  background: rgba(34, 197, 94, 0.15);
}

.quiz-option.wrong {
  border-color: #ef4444;
  background: rgba(239, 68, 68, 0.15);
}

/* Mobile nav */
.mobile-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(10, 10, 26, 0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--card-border);
  padding: 0.5rem;
  display: flex;
  justify-content: space-around;
}

@media (min-width: 768px) {
  .mobile-nav {
    display: none;
  }
}

/* Give body extra padding on mobile for bottom nav */
main {
  padding-bottom: 4rem;
}

@media (min-width: 768px) {
  main {
    padding-bottom: 0;
  }
}

/* RTL support */
[dir="rtl"] {
  text-align: right;
}

/* Performance: reduce paint on heavy sections */
.section-container {
  contain: content;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Focus-visible for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .moon-bg, .stars, header, footer, nav, .mobile-nav {
    display: none !important;
  }
  body {
    background: white !important;
    color: black !important;
  }
  section {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}