:root {
  --tool-panel: rgba(8, 23, 43, 0.92);
  --tool-panel-soft: rgba(11, 31, 59, 0.78);
  --tool-line: rgba(122, 164, 224, 0.22);
  --tool-grid: rgba(122, 164, 224, 0.12);
  --tool-good: #89d1b6;
  --tool-warn: #f3cb7a;
  --tool-bad: #f28d8d;
}

.tool-grid {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 1fr);
  gap: 18px;
  margin-top: 24px;
}

.tool-grid.single {
  grid-template-columns: 1fr;
}

.tool-panel {
  border: 1px solid var(--tool-line);
  border-radius: 20px;
  background: var(--tool-panel);
  box-shadow: var(--shadow);
  padding: 22px;
}

.tool-panel h2,
.tool-panel h3 {
  margin-top: 0;
  font-family: "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

.tool-panel p,
.tool-panel li,
.tool-panel label,
.tool-panel small {
  color: var(--muted);
}

.tool-controls {
  display: grid;
  gap: 12px;
}

.tool-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.tool-row.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tool-field {
  display: grid;
  gap: 6px;
}

.tool-field input,
.tool-field textarea,
.tool-field select {
  width: 100%;
  min-height: 42px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--tool-line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font: inherit;
}

.tool-field textarea {
  min-height: 120px;
  resize: vertical;
  font-family: "Cascadia Code", Consolas, "Courier New", monospace;
}

.tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tool-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--tool-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  font-weight: 700;
}

.tool-button.primary {
  background: linear-gradient(180deg, var(--accent-strong), var(--accent-deep));
  border-color: transparent;
}

.tool-button:hover,
.tool-button:focus-visible {
  transform: translateY(-1px);
}

.tool-output {
  display: grid;
  gap: 14px;
}

.tool-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.tool-stat {
  border: 1px solid var(--tool-line);
  border-radius: 16px;
  background: var(--tool-panel-soft);
  padding: 14px 16px;
}

.tool-stat strong {
  display: block;
  color: var(--text);
  font-size: 1.02rem;
  margin-bottom: 4px;
}

.tool-surface {
  border: 1px solid var(--tool-line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.02);
  padding: 14px;
}

.tool-canvas {
  width: 100%;
  min-height: 280px;
  border: 1px solid var(--tool-line);
  border-radius: 14px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
}

.tool-table {
  width: 100%;
  border-collapse: collapse;
  color: var(--text);
}

.tool-table td,
.tool-table th {
  border: 1px solid var(--tool-line);
  padding: 8px 10px;
  text-align: center;
}

.tool-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tool-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--tool-line);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-size: 0.92rem;
}

.tool-code {
  white-space: pre-wrap;
  font-family: "Cascadia Code", Consolas, "Courier New", monospace;
  color: var(--text);
}

.tool-message {
  border: 1px solid var(--tool-line);
  border-radius: 16px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.03);
}

.tool-message.error {
  border-color: rgba(242, 141, 141, 0.5);
  background: rgba(242, 141, 141, 0.08);
  color: #ffd7d7;
}

.tool-good { color: var(--tool-good); }
.tool-warn { color: var(--tool-warn); }
.tool-bad { color: var(--tool-bad); }

.tool-section-list {
  display: grid;
  gap: 12px;
}

.tool-card-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.tool-card {
  border: 1px solid var(--tool-line);
  border-radius: 20px;
  background: var(--tool-panel);
  padding: 18px;
  box-shadow: var(--shadow);
}

.tool-card h3 {
  margin-top: 0;
  font-family: "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

.tool-card p,
.tool-card li {
  color: var(--muted);
}

@media (max-width: 900px) {
  .tool-grid,
  .tool-row,
  .tool-row.three,
  .tool-stat-grid {
    grid-template-columns: 1fr;
  }
}