:root {
  --pink: #ff6ec7;
  --orange: #ffb347;
  --purple: #a06cd5;
  --teal: #2ec4b6;
}

body {
  margin: 0;
  font-family: system-ui, sans-serif;
  color: #1a1a1a;
  background: linear-gradient(135deg, var(--pink), var(--orange), var(--purple));
  min-height: 100vh;
}

header {
  padding: 3rem 1.5rem 2rem;
  text-align: center;
  color: white;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

header h1 {
  font-size: 2.5rem;
  margin: 0 0 0.5rem;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 1rem 2rem;
  display: grid;
  gap: 1rem;
}

.card {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.card h2 {
  margin-top: 0;
  color: var(--purple);
}

button {
  background: var(--teal);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.1s ease, background 0.2s ease;
}

button:hover {
  background: var(--purple);
  transform: translateY(-2px);
}

#clock {
  font-family: monospace;
  font-size: 2rem;
  color: var(--teal);
  margin: 0;
}

footer {
  text-align: center;
  padding: 1.5rem;
  color: white;
  font-size: 0.9rem;
}