* {
  box-sizing: border-box;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
}

body {
  margin: 0;
  background: #0f172a;
  color: #e2e8f0;
  min-height: 100vh;
}

header {
  padding: 20px;
  background: linear-gradient(135deg, #111827, #0b1224);
  border-bottom: 1px solid #1f2937;
}

h1 {
  margin: 0;
  font-size: 22px;
  letter-spacing: 0.4px;
}

.container {
  padding: 20px;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

input,
button {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #1f2937;
  background: #111827;
  color: #e2e8f0;
}

button {
  cursor: pointer;
  background: #2563eb;
  border-color: #1d4ed8;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.card {
  background: #111827;
  border: 1px solid #1f2937;
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 12px;
}

.card h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.meta {
  color: #94a3b8;
  font-size: 12px;
  margin-bottom: 6px;
}

a {
  color: #60a5fa;
}

.empty {
  color: #94a3b8;
  padding: 10px 0;
}