:root {
  --bg-start: #0b1a2e;
  --bg-mid: #1a3a4a;
  --bg-end: #0d2135;
  --card-bg: rgba(255, 255, 255, 0.06);
  --card-border: rgba(255, 255, 255, 0.08);
  --text-primary: #e8edf5;
  --text-secondary: rgba(232, 237, 245, 0.65);
  --temp-color: #ff8c42;
  --accent: #4fc3f7;
  --glass-blur: 20px;
}

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

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: linear-gradient(135deg, var(--bg-start), var(--bg-mid), var(--bg-end));
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--text-primary);
}

#particles {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 24px;
}

h1 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.8rem;
  letter-spacing: -0.03em;
}

.version {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 3px;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.weather-card {
  background: var(--card-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 36px 28px 28px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.weather-card.loading {
  opacity: 0.6;
}

.location {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.location-icon {
  font-size: 1rem;
}

.temperature {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 5rem;
  color: var(--temp-color);
  line-height: 1;
  margin: 8px 0 4px;
  letter-spacing: -0.04em;
  text-shadow: 0 0 50px rgba(255, 140, 66, 0.12);
  transition: color 0.4s ease;
}

.condition {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-weight: 400;
}

.details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.detail-label {
  font-size: 0.65rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
}

.detail-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
}

.coords {
  font-size: 0.6rem;
  color: rgba(255, 255, 255, 0.25);
  margin-top: 16px;
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
  letter-spacing: 0.05em;
}

footer {
  text-align: center;
  margin-top: 20px;
}

.refresh-btn {
  background: var(--card-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.3rem;
  cursor: pointer;
  transition: all 0.4s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}

.refresh-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: rotate(180deg);
}

.refresh-btn:active {
  transform: rotate(360deg);
  scale: 0.92;
}

.refresh-btn.spinning {
  animation: spin 0.8s ease-in-out;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.weather-card {
  animation: fadeInUp 0.6s ease-out;
}

@media (max-width: 480px) {
  .container { padding: 16px; }
  .temperature { font-size: 3.8rem; }
  .weather-card { padding: 28px 18px 24px; }
  h1 { font-size: 1.4rem; }
  .details { gap: 8px; }
  .detail-value { font-size: 0.9rem; }
}

@media (max-width: 360px) {
  .temperature { font-size: 3rem; }
  .weather-card { padding: 24px 14px 20px; border-radius: 20px; }
  h1 { font-size: 1.2rem; }
}