:root {
  --bg: #eef2f7;
  --panel: #ffffff;
  --text: #131722;
  --muted: #5a6475;
  --line: #d7deea;
  --primary: #1f6feb;
  --primary-hover: #1558bf;
  --secondary: #e7ecf5;
  --secondary-hover: #d9e1ef;
  --success: #067647;
  --error: #b42318;
  --ring: rgba(31, 111, 235, 0.28);
}

[data-theme="dark"] {
  --bg: #0d1117;
  --panel: #151b23;
  --text: #e6edf3;
  --muted: #9aa4b2;
  --line: #2f3a4b;
  --primary: #2f81f7;
  --primary-hover: #1f6feb;
  --secondary: #202938;
  --secondary-hover: #2a3647;
  --success: #3fb950;
  --error: #f85149;
  --ring: rgba(47, 129, 247, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;
  color: var(--text);
  background:
    radial-gradient(circle at 0% 0%, rgba(31, 111, 235, 0.12), transparent 32%),
    radial-gradient(circle at 100% 100%, rgba(56, 189, 248, 0.08), transparent 34%),
    var(--bg);
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
}

.card {
  width: 100%;
  max-width: 920px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  box-shadow: 0 24px 60px rgba(8, 15, 28, 0.12);
  padding: 24px;
}

.header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

h1 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.1;
}

.subtitle {
  margin: 8px 0 0;
  color: var(--muted);
}

.label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin: 14px 0 8px;
}

.sql-input {
  width: 100%;
  min-height: 190px;
  resize: vertical;
  border-radius: 12px;
  border: 1px solid var(--line);
  padding: 14px;
  background: transparent;
  color: var(--text);
  font: inherit;
  line-height: 1.5;
}

.sql-input:focus {
  outline: 2px solid var(--ring);
  border-color: var(--primary);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.btn {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 14px;
  font: inherit;
  font-size: 0.92rem;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.1s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--text);
  border-color: var(--line);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--secondary-hover);
}

#copy-btn:not(:disabled) {
  background: var(--primary);
  color: #ffffff;
  border-color: transparent;
}

#copy-btn:not(:disabled):hover {
  background: var(--primary-hover);
}

.status {
  min-height: 1.4em;
  margin: 14px 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.status.success {
  color: var(--success);
}

.status.error {
  color: var(--error);
}

.output-shell {
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 12px;
  min-height: 200px;
  background: rgba(127, 127, 127, 0.04);
  overflow: hidden;
}

.output-empty {
  margin: 0;
  padding: 14px;
  color: var(--muted);
}

.output-pre {
  margin: 0;
  padding: 0;
}

#output-sql {
  margin: 0;
  padding: 14px;
  min-height: 200px;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: inherit;
  font-size: 0.92rem;
  line-height: 1.5;
}

.output-actions {
  margin-top: 10px;
  display: flex;
  justify-content: flex-end;
}

@media (max-width: 700px) {
  .card {
    padding: 16px;
    border-radius: 12px;
  }

  .header {
    flex-direction: column;
    align-items: stretch;
  }

  .actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .btn {
    width: 100%;
  }

  h1 {
    font-size: 1.55rem;
  }
}