.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 2rem;
}

header h1 {
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  color: var(--text);
  margin: 0 0 0.4rem;
  letter-spacing: -0.01em;
  font-weight: 700;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
}

.subtitle .pill {
  display: inline-block;
  padding: 0.1rem 0.55rem;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.8rem;
  margin-right: 0.35rem;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0;
  max-width: 600px;
  margin: 0 auto 1.5rem;
  border-bottom: 1px solid var(--border);
}

.tab {
  flex: 1;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.15s, border-color 0.15s;
}

.tab:hover {
  color: var(--accent);
}

.tab[aria-selected="true"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

/* Search form */
.search-form {
  display: flex;
  gap: 0.5rem;
  max-width: 600px;
  margin: 0 auto 1.5rem;
  position: relative;
}

.search-field {
  flex: 1;
  position: relative;
}

.search-form input {
  width: 100%;
  padding: 0.75rem 2.25rem 0.75rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.search-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.search-clear {
  position: absolute;
  right: 0.4rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.75rem;
  height: 1.75rem;
  display: grid;
  place-items: center;
  border: none;
  background: transparent;
  color: var(--text-faint);
  font-size: 1.1rem;
  border-radius: 50%;
  cursor: pointer;
}

.search-clear:hover {
  background: var(--surface-alt);
  color: var(--text);
}

.search-form button[type="submit"] {
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
}

.search-form button[type="submit"]:hover:not(:disabled) {
  background: var(--accent-hover);
}

.search-form button[type="submit"]:active:not(:disabled) {
  transform: translateY(1px);
}

.search-form button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Custom query */
.custom-query {
  max-width: 960px;
  margin: 0 auto;
}

.preset-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
  align-items: center;
}

.preset-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  margin-right: 0.25rem;
  font-weight: 500;
}

.preset-btn {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.preset-btn:hover:not(:disabled) {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.preset-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.query-form {
  margin-bottom: 1rem;
}

.query-form textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  font-family:
    "JetBrains Mono", "Cascadia Code", "Fira Code", ui-monospace, monospace;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  outline: none;
  resize: vertical;
  min-height: 130px;
  transition: border-color 0.15s, box-shadow 0.15s;
  tab-size: 2;
  line-height: 1.5;
}

.query-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.query-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.6rem;
  flex-wrap: wrap;
}

.query-actions button {
  padding: 0.6rem 1.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s;
}

.query-actions button:hover:not(:disabled) {
  background: var(--accent-hover);
}

.query-actions button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.exec-time {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.exec-time.running {
  color: var(--accent);
}

.kbd {
  display: inline-block;
  padding: 0.05rem 0.4rem;
  font-family: ui-monospace, monospace;
  font-size: 0.75rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  color: var(--text-muted);
}

/* Loading */
.loading {
  max-width: 600px;
  margin: 0.5rem auto 1.5rem;
  padding: 0.85rem 1rem;
  text-align: center;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.loading p {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
}

.progress-bar {
  width: 100%;
  max-width: 300px;
  height: 6px;
  background: var(--surface-alt);
  border-radius: 4px;
  margin: 0 auto;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  border-radius: 4px;
  transition: width 0.3s;
}

/* Results table */
.table-wrapper {
  overflow-x: auto;
  margin-top: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.result-count {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0.5rem 0;
  padding: 0 0.25rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

thead th {
  background: var(--surface-alt);
  padding: 0.65rem 0.6rem;
  text-align: left;
  white-space: nowrap;
  position: sticky;
  top: 0;
  border-bottom: 1px solid var(--border-strong);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

tbody td {
  padding: 0.55rem 0.6rem;
  border-bottom: 1px solid var(--border);
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:nth-child(even) td {
  background: color-mix(in srgb, var(--surface-alt) 45%, transparent);
}

tbody tr:hover td {
  background: var(--accent-soft);
}

.sbd-cell {
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.name-cell {
  white-space: nowrap;
  font-weight: 500;
}

.cumthi-cell {
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.score-cell {
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.score-cell.score-high {
  color: var(--ok);
  font-weight: 600;
}

.score-cell.score-low {
  color: var(--danger);
}

.score-cell.score-empty {
  color: var(--text-faint);
}

/* Messages */
.no-results,
.error,
.warning {
  text-align: center;
  padding: 0.9rem 1rem;
  border-radius: var(--radius);
  margin: 1rem auto;
  max-width: 600px;
  font-size: 0.9rem;
}

.no-results {
  color: var(--text-muted);
  background: var(--surface);
  border: 1px dashed var(--border-strong);
}

.error {
  color: var(--danger);
  background: var(--danger-bg);
  border: 1px solid color-mix(in srgb, var(--danger) 25%, transparent);
}

.warning {
  color: var(--warn);
  background: var(--warn-bg);
}

/* Footer */
footer {
  text-align: center;
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 0.85rem;
}

footer a {
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 640px) {
  .app {
    padding: 1.25rem 0.75rem 2rem;
  }

  .search-form {
    flex-direction: column;
  }

  .search-form button[type="submit"] {
    width: 100%;
  }

  table {
    font-size: 0.8rem;
  }

  thead th,
  tbody td {
    padding: 0.45rem 0.4rem;
  }

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

  .preset-btn {
    text-align: left;
  }
}