:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --text: #122033;
  --muted: #5b6b7e;
  --line: #d8e0ec;
  --primary: #1063ff;
  --primary-hover: #0c4fcb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: radial-gradient(circle at top right, #eaf1ff, var(--bg) 40%);
  color: var(--text);
}

.container {
  width: min(900px, 92vw);
  margin: 32px auto;
}

h1 {
  margin-bottom: 4px;
}

.subtitle {
  margin-top: 0;
  color: var(--muted);
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  margin: 14px 0;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 700px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 10px;
}

input,
button {
  width: 100%;
  margin-top: 6px;
  border-radius: 10px;
  border: 1px solid var(--line);
  font-size: 16px;
  padding: 12px 14px;
}

button {
  margin-top: 10px;
  border: 0;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: var(--primary-hover);
}

.status {
  min-height: 24px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 10px 8px;
  vertical-align: top;
}

th {
  font-size: 14px;
  color: var(--muted);
}

pre {
  margin: 0;
  background: #0f1724;
  color: #d9e2f0;
  padding: 14px;
  border-radius: 10px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

@media (max-width: 700px) {
  .container {
    width: 94vw;
    margin: 16px auto 24px;
  }

  .card {
    padding: 14px;
    margin: 10px 0;
    border-radius: 12px;
  }

  h1 {
    font-size: 1.5rem;
    line-height: 1.2;
  }

  .subtitle {
    font-size: 0.95rem;
  }

  th,
  td {
    padding: 9px 6px;
    font-size: 0.92rem;
  }

  pre {
    font-size: 0.84rem;
  }
}