:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1c1f;
  --muted: #5c6370;
  --border: #d8dde6;
  --accent: #2563eb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --fg: #e8eaef;
    --muted: #9aa3b2;
    --border: #2a3140;
    --accent: #60a5fa;
  }
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 92%, white);
}

.nav {
  max-width: 960px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav a {
  color: var(--accent);
  font-weight: bold;
  text-decoration: none;
  transform: all 0.2s;
}

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

.nav-user {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.9rem;
}

.nav-form {
  margin: 0;
}

.nav-form button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  font: inherit;
  cursor: pointer;
}

.nav-form button:hover {
  text-decoration: underline;
}

.nav-icon-button {
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--muted);
}

.nav-icon-button svg {
  width: 1.15rem;
  height: 1.15rem;
  fill: currentColor;
}

.nav-icon-button:hover {
  background: color-mix(in oklab, var(--accent) 10%, transparent);
  color: var(--accent);
  text-decoration: none;
}

.main {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.25rem 1rem 2rem;
}

.page-header {
  margin-bottom: 0.75rem;
}

.action-panel {
  margin-bottom: 1rem;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in oklab, var(--bg) 88%, var(--border));
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}

.toolbar-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

.toolbar label {
  flex: 0 0 6rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.toolbar select {
  width: min(24rem, 100%);
}

.toolbar button {
  min-width: 8.5rem;
  text-align: center;
}

.toolbar select,
.toolbar button {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
  padding: 0.4rem 0.55rem;
  font: inherit;
}

.toolbar button {
  background: var(--accent);
  color: #ffffff;
  border-color: transparent;
  cursor: pointer;
}

.toolbar button:disabled,
.toolbar select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.toolbar button:disabled {
  background: color-mix(in oklab, var(--bg) 72%, var(--border));
  color: var(--muted);
  border-color: var(--border);
}

@media (max-width: 640px) {
  .toolbar-row {
    align-items: stretch;
  }

  .toolbar label {
    flex-basis: 100%;
  }

  .toolbar select,
  .toolbar button {
    width: 100%;
  }
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.table th,
.table td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.6rem;
  vertical-align: top;
}

.table th {
  text-align: left;
  background: color-mix(in oklab, var(--bg) 85%, var(--border));
}

.cell-body {
  white-space: pre-wrap;
  word-break: break-word;
}

.cell-muted {
  color: var(--muted);
  font-size: 0.85rem;
}

.empty {
  color: var(--muted);
}

.login-panel {
  max-width: 420px;
  margin: 2rem auto;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in oklab, var(--bg) 88%, var(--border));
}

.login-form {
  display: grid;
  gap: 0.5rem;
}

.login-form label {
  color: var(--muted);
  font-size: 0.9rem;
}

.login-form input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
  padding: 0.45rem 0.55rem;
  font: inherit;
}

.login-form button {
  justify-self: start;
  border: 1px solid transparent;
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  padding: 0.4rem 0.65rem;
  font: inherit;
  cursor: pointer;
}

.form-error {
  color: #b91c1c;
}

.busy-overlay[hidden] {
  display: none;
}

.busy-overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  background: rgb(0 0 0 / 45%);
}

.busy-overlay-box {
  min-width: min(360px, calc(100vw - 2rem));
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--fg);
  text-align: center;
  box-shadow: 0 18px 50px rgb(0 0 0 / 30%);
}

.busy-overlay-box p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.comment-panel {
  margin: 1rem 0;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in oklab, var(--bg) 88%, var(--border));
}

.table-doc-panel {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  justify-content: flex-end;
  margin: 1rem 0;
}

.database-doc-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  justify-content: flex-end;
  margin: 1rem 0;
}

.table-doc-target {
  color: var(--muted);
  font-size: 0.9rem;
}

.table-doc-panel button,
.database-doc-actions button {
  border: 1px solid transparent;
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  padding: 0.4rem 0.65rem;
  font: inherit;
  cursor: pointer;
}

.database-doc-actions button {
  background: #b91c1c;
}

.table-doc-panel button:disabled,
.database-doc-actions button:disabled {
  background: color-mix(in oklab, var(--bg) 72%, var(--border));
  color: var(--muted);
  border-color: var(--border);
  cursor: not-allowed;
}

.comment-panel h2,
.comment-panel h3 {
  margin-top: 0;
}

.comment-form {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.comment-form label {
  color: var(--muted);
  font-size: 0.9rem;
}

.comment-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
  padding: 0.45rem 0.55rem;
  font: inherit;
  resize: vertical;
}

.comment-form button {
  justify-self: start;
  border: 1px solid transparent;
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  padding: 0.4rem 0.65rem;
  font: inherit;
  cursor: pointer;
}

.table-comment-view {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 0.75rem;
}

.table-comment-body {
  margin: 0;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: color-mix(in oklab, var(--bg) 92%, var(--border));
  white-space: normal;
}

.table-comment-actions button,
.comment-form-actions button {
  border: 1px solid transparent;
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  padding: 0.4rem 0.65rem;
  font: inherit;
  cursor: pointer;
}

.table-comment-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

.comment-form-actions button {
  justify-self: start;
}

.comment-form-actions {
  display: flex;
  gap: 0.5rem;
}

.comment-form-actions button[id="table-comment-cancel-button"] {
  background: var(--bg);
  color: var(--fg);
  border-color: var(--border);
}

.comment-form button:disabled {
  background: color-mix(in oklab, var(--bg) 72%, var(--border));
  color: var(--muted);
  border-color: var(--border);
  cursor: not-allowed;
}

.link-list {
  padding-left: 1.2rem;
}

.link-list li {
  margin: 0.35rem 0;
}

.markdown-view {
  padding: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in oklab, var(--bg) 85%, black 2%);
  overflow-x: auto;
  white-space: pre-wrap;
}

.markdown-section {
  overflow-x: auto;
}

.markdown-section table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.8rem 0;
}

.markdown-section th,
.markdown-section td {
  border: 1px solid var(--border);
  padding: 0.45rem 0.55rem;
  vertical-align: top;
}

.markdown-section th {
  background: color-mix(in oklab, var(--bg) 85%, var(--border));
}

.column-comment-button,
.column-comment-history-button,
.comment-history-item button,
.comment-modal-actions button {
  border: 1px solid transparent;
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  padding: 0.35rem 0.55rem;
  font: inherit;
  cursor: pointer;
}

.markdown-section td:has(.column-comment-button) {
  text-align: center;
}

.markdown-section td:has(.column-comment-button) button + button {
  margin-left: 0.35rem;
}

.comment-modal-actions button[data-comment-modal-close],
.comment-modal-actions button[data-history-modal-close],
.comment-modal-actions button[data-tbls-doc-history-close] {
  background: var(--bg);
  color: var(--fg);
  border-color: var(--border);
}

.column-comment-button:disabled,
.column-comment-history-button:disabled,
.table-comment-actions button:disabled,
.comment-history-item button:disabled,
.comment-modal-actions button:disabled {
  background: color-mix(in oklab, var(--bg) 72%, var(--border));
  color: var(--muted);
  border-color: var(--border);
  cursor: not-allowed;
}

.comment-modal[hidden] {
  display: none;
}

.comment-modal {
  position: fixed;
  inset: 0;
  z-index: 10;
}

.comment-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgb(0 0 0 / 45%);
}

.comment-modal-body {
  position: relative;
  width: min(560px, calc(100vw - 2rem));
  margin: 12vh auto;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  box-shadow: 0 18px 50px rgb(0 0 0 / 30%);
}

.comment-modal-body textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
  padding: 0.5rem 0.6rem;
  font: inherit;
  resize: vertical;
}

.comment-modal-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.comment-history-list {
  display: grid;
  gap: 0.65rem;
  max-height: 50vh;
  overflow-y: auto;
}

.comment-history-item {
  display: grid;
  gap: 0.35rem;
  padding: 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in oklab, var(--bg) 94%, var(--border));
}

.comment-history-item p {
  margin: 0;
}

.comment-history-body {
  white-space: normal;
}

.markdown-section img {
  max-width: 100%;
  height: auto;
}

code {
  font-size: 0.9em;
}