.tool-header {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.5rem 0 1.5rem;
}

.tool-header h1 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 600;
  margin: 0 0 0.3rem;
}

.tool-header .subtitle {
  color: var(--text-secondary);
  margin: 0;
}

.tool-main {
  max-width: 960px;
  margin: 0 auto;
  padding-bottom: 4rem;
}

/* --- Controls row --- */

.tool-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1rem;
}

.tool-controls .spacer {
  flex-grow: 1;
}

.control-label {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.tool-controls select {
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.45rem 0.6rem;
}

.seg {
  display: inline-flex;
  gap: 0.5rem;
}

.seg-btn {
  font-family: var(--sans);
  font-size: 0.9rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.seg-btn:hover {
  border-color: var(--violet-400);
  color: var(--violet-400);
}

.seg-btn[aria-pressed="true"] {
  border-color: var(--olive-700);
  color: var(--olive-700);
}

/* --- Input --- */

.tool-input {
  width: 100%;
  min-height: 220px;
  box-sizing: border-box;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.55;
  resize: vertical;
}

.tool-input:focus {
  outline: none;
  border-color: var(--olive-700);
}

.tool-input.dragging {
  border: 1px dashed var(--olive-700);
  background: rgba(65, 83, 35, 0.04);
}

.input-hint {
  margin: 0.5rem 0 0;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* --- Output --- */

.tool-error {
  margin-top: 1.25rem;
  color: var(--error);
  font-family: var(--mono);
  font-size: 0.9rem;
}

.tool-output {
  margin-top: 1.5rem;
}

.output-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
}

.output-head .spacer {
  flex-grow: 1;
}

.tool-output pre {
  overflow-x: auto;
  margin: 0;
  padding: 1rem;
  tab-size: 4;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.55;
}

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

.table-view table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.88rem;
}

.table-view th,
.table-view td {
  border: 1px solid var(--border);
  padding: 0.45rem 0.65rem;
  text-align: left;
}

.table-view th {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--violet-700);
  background: rgba(207, 203, 195, 0.25);
}