* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: linear-gradient(160deg, #f7f7ff, #eef5ff);
  color: #1f2937;
}

.app {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 24px 48px;
}

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

h1 {
  margin: 0;
  font-size: 2.2rem;
}

.subtitle {
  margin: 8px 0 0;
  color: #6b7280;
}

.panel {
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.1);
  padding: 24px;
}

.status {
  display: grid;
  gap: 6px;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.status-row {
  display: flex;
  justify-content: space-between;
}

.inputs {
  display: grid;
  gap: 12px;
  margin-bottom: 16px;
}

.inputs label {
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
}

.inputs input {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #d1d5db;
  font-size: 1rem;
}

.content {
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  background: #f9fafb;
  min-height: 80px;
  margin-bottom: 16px;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

button {
  border: none;
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 0.95rem;
  cursor: pointer;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.primary {
  background: #2563eb;
  color: #ffffff;
}

.secondary {
  background: #e5e7eb;
  color: #111827;
}

.success {
  background: #22c55e;
  color: #ffffff;
}

.warning {
  background: #f59e0b;
  color: #ffffff;
}

.danger {
  background: #ef4444;
  color: #ffffff;
}