:root {
  --background: 220 30% 96%;
  --foreground: 220 30% 8%;
  --card: 220 15% 98%;
  --card-foreground: 220 30% 8%;
  --primary: 240 100% 60%;
  --primary-foreground: 220 15% 98%;
  --muted-foreground: 220 15% 45%;
  --accent: 280 80% 70%;
  --border: 220 15% 88%;

  --gradient-cosmic: linear-gradient(
    135deg,
    hsl(240 100% 60%),
    hsl(280 80% 70%)
  );
  --shadow-cosmic: 0 10px 40px hsl(220 30% 8% / 0.1);
  --glow-accent: 0 0 30px hsl(280 80% 70% / 0.15);

  --radius: 1rem;
}

.dark {
  --background: 220 27% 8%;
  --foreground: 220 15% 95%;
  --card: 220 20% 12%;
  --card-foreground: 220 15% 95%;
  --primary: 240 100% 70%;
  --primary-foreground: 220 27% 8%;
  --muted-foreground: 220 15% 65%;
  --accent: 280 100% 60%;
  --border: 220 20% 20%;

  --gradient-cosmic: linear-gradient(
    135deg,
    hsl(240 100% 70%),
    hsl(280 100% 60%)
  );
  --shadow-cosmic: 0 10px 40px hsl(220 27% 8% / 0.5);
  --glow-accent: 0 0 30px hsl(280 100% 60% / 0.2);
}

* {
  border-color: hsl(var(--border));
}

body {
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
}

.bg-card {
  background-color: hsl(var(--card));
}

.bg-primary {
  background-color: hsl(var(--primary));
}

.cosmic-card {
  border-radius: 0.75rem;
  border-width: 1px;
  border-color: hsl(var(--border) / 0.5);
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  background: linear-gradient(
    135deg,
    hsl(var(--card) / 0.8),
    hsl(var(--card) / 0.6)
  );
  box-shadow: var(--shadow-cosmic), inset 0 1px 0 hsl(var(--border) / 0.3);
}

.text-muted-foreground {
  color: hsl(var(--muted-foreground));
}

.text-card-foreground {
  color: hsl(var(--card-foreground));
}

.text-primary {
  color: hsl(var(--primary));
}

.text-foreground {
  color: hsl(var(--foreground));
}

.text-primary-foreground {
  color: hsl(var(--primary-foreground));
}

.text-cosmic {
  text-shadow: 0 0 12px hsl(var(--accent) / 0.3);
  background: var(--gradient-cosmic);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-accent {
  color: hsl(var(--accent));
}

.glow-accent {
  box-shadow: var(--glow-accent);
}

.transition-colors {
  transition-property: color, background-color, border-color,
    text-decoration-color, fill, stroke;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

.border-border\/30 {
  border-color: hsl(var(--border) / 0.3);
}

.link {
  color: hsl(var(--primary));
  text-decoration: underline;
  text-decoration-color: hsl(var(--primary) / 0.3);
  text-underline-offset: 2px;
  transition: all 0.15s ease;
  cursor: pointer;
}

.link:hover {
  color: hsl(var(--accent));
  text-decoration-color: hsl(var(--accent) / 0.5);
}

h1, h2, h3 {
  letter-spacing: 0.02em;
}

.moon-svg-container {
  position: relative;
  display: inline-block;
}

.moon-svg-container::before {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    hsl(var(--accent) / 0.1),
    transparent 70%
  );
  z-index: -1;
  animation: moonGlow 4s ease-in-out infinite alternate;
}

@keyframes moonGlow {
  0% { opacity: 0.3; transform: scale(0.95); }
  100% { opacity: 0.6; transform: scale(1.05); }
}

.moon-svg-container svg {
  filter: drop-shadow(0 0 8px hsl(var(--accent) / 0.3));
}

.moon-hero-container {
  position: relative;
  display: inline-block;
}

.moon-stat-card {
  padding: 1rem;
  border-radius: 0.5rem;
  background: hsl(var(--card) / 0.5);
  border: 1px solid hsl(var(--border) / 0.3);
  backdrop-filter: blur(8px);
}

.moon-time-row,
.calendar-item {
  padding: 0.75rem 0;
  border-bottom: 1px solid hsl(var(--border) / 0.2);
}

.moon-time-row:last-child,
.calendar-item:last-child {
  border-bottom: none;
}

.phase-item {
  padding: 0.75rem;
  border-radius: 0.5rem;
  background: hsl(var(--background) / 0.5);
  border: 1px solid hsl(var(--border) / 0.2);
  transition: all 0.2s ease;
}

.phase-icon {
  font-size: 2rem;
  filter: drop-shadow(0 0 8px hsl(var(--accent) / 0.3));
}

.moon-calendar .calendar-day {
  aspect-ratio: 1;
  padding: 0.25rem;
  border-radius: 0.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.moon-calendar .calendar-day.today {
  background: hsl(var(--primary) / 0.2);
  border: 1px solid hsl(var(--primary) / 0.5);
}

.moon-mini {
  font-size: 1rem;
  margin-top: 0.125rem;
  opacity: 0.8;
}

@media (max-width: 768px) {
  .moon-hero-container svg {
    width: 140px;
    height: 140px;
  }
  .moon-stat-card {
    padding: 0.75rem;
  }
}

.dark .moon-stat-card {
  background: hsl(var(--card) / 0.3);
}

.dark .phase-item {
  background: hsl(var(--card) / 0.2);
}

.dark .moon-calendar .calendar-day.today {
  background: hsl(var(--primary) / 0.15);
}

.sun-hero-container {
  position: relative;
  display: inline-block;
}

.sun-hero-container::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  border-radius: 50%;
  background: radial-gradient(
      circle,
      rgba(253, 184, 19, 0.3),
      rgba(255, 160, 0, 0.1),
      transparent 70%
  );
  z-index: -1;
  animation: sunPulse 3s ease-in-out infinite;
}

@keyframes sunPulse {
  0%, 100% {
    opacity: 0.5;
    transform: scale(0.95);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.1);
  }
}

.sun-rays {
  animation: sunRotate 60s linear infinite;
  transform-origin: center;
}

@keyframes sunRotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.sun-stat-card {
  padding: 1rem;
  border-radius: 0.5rem;
  background: linear-gradient(
    135deg,
    hsl(var(--card) / 0.5),
    hsl(var(--card) / 0.3)
  );
  border: 1px solid hsl(var(--border) / 0.3);
  backdrop-filter: blur(8px);
}

.sun-time-row {
  padding: 0.75rem 0;
  border-bottom: 1px solid hsl(var(--border) / 0.2);
}

.sun-time-row:last-child {
  border-bottom: none;
}

.twilight-section {
  position: relative;
}

.photo-time-block {
  padding: 0.75rem;
  border-radius: 0.5rem;
  background: hsl(var(--background) / 0.3);
}

.photo-time-card {
  padding: 0.5rem;
  border-radius: 0.25rem;
  background: hsl(var(--card) / 0.3);
  border: 1px solid hsl(var(--border) / 0.2);
}

.coordinate-group {
  position: relative;
}

.season-item {
  padding: 0.75rem;
  border-radius: 0.5rem;
  background: hsl(var(--background) / 0.3);
  border: 1px solid hsl(var(--border) / 0.2);
}

.season-item.current {
  background: hsl(var(--primary) / 0.05);
  border-color: hsl(var(--primary) / 0.3);
}

.practical-item {
  padding: 0.75rem;
  border-radius: 0.5rem;
  background: hsl(var(--background) / 0.2);
}

.elevation-chart {
  padding: 1rem;
  background: hsl(var(--background) / 0.2);
  border-radius: 0.5rem;
}

.dark .sun-stat-card {
  background: linear-gradient(
    135deg,
    hsl(var(--card) / 0.3),
    hsl(var(--card) / 0.2)
  );
}

.dark .photo-time-card {
  background: hsl(var(--card) / 0.2);
}

.dark .season-item {
  background: hsl(var(--card) / 0.2);
}

.dark .season-item.current {
  background: hsl(var(--primary) / 0.08);
}

.dark .practical-item {
  background: hsl(var(--card) / 0.15);
}

@media (max-width: 768px) {
  .sun-hero-container svg {
    width: 140px;
    height: 140px;
  }

  .sun-stat-card {
    padding: 0.75rem;
  }

  .elevation-chart svg {
    height: 150px;
  }
}

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