* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f6f7fb;
  color: #1d1f24;
}

.container {
  max-width: 900px;
  margin: 40px auto;
  padding: 0 20px;
}

header h1 {
  margin-bottom: 4px;
}

header p {
  margin-top: 0;
  color: #5c6370;
}

.panel {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 8px 18px rgba(29, 31, 36, 0.08);
  margin-bottom: 20px;
}

form {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 600;
}

input {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #d7d9de;
  min-width: 220px;
  font-size: 14px;
}

button {
  padding: 10px 16px;
  border-radius: 8px;
  border: none;
  background: #1f4fd6;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.status {
  margin-top: 12px;
  font-weight: 600;
}

.status.info {
  color: #1f4fd6;
}

.status.success {
  color: #167a4a;
}

.status.warn {
  color: #9c6f00;
}

.status.error {
  color: #c0392b;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}