/* テーマ変数とページ基礎 */
.sql-keyword-page,
.sql-keyword-page * {
  box-sizing: border-box;
}

body.sql-keyword-page {
  --sql-content-max: 1440px;
  --sql-font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
  --sql-font-code: "Cascadia Code", Consolas, monospace;
  --sql-font-size-body: 14px;
  --sql-font-size-small: 13px;
  --sql-control-min-height: 40px;
  --sql-button-min-height: 38px;
  --sql-radius-control: 8px;
  --sql-radius-scroll: 9px;
  --sql-radius-panel: 12px;
  --sql-control-gap: 12px;
  --sql-page: #f4f6f8;
  --sql-surface: #ffffff;
  --sql-surface-muted: #f6f8fa;
  --sql-border: #d0d7de;
  --sql-border-strong: #afb8c1;
  --sql-text: #1f2328;
  --sql-muted: #59636e;
  --sql-primary: #0969da;
  --sql-primary-hover: #0550ae;
  --sql-primary-contrast: #ffffff;
  --sql-selected: #ddf4ff;
  --sql-hover: #f6f8fa;
  --sql-success: #1a7f37;
  --sql-warning: #9a6700;
  --sql-danger: #cf222e;
  min-block-size: 100vh;
  margin: 0;
  color: var(--sql-text);
  background: var(--sql-page);
  font-family: var(--sql-font-ui);
  line-height: 1.65;
}

body.sql-keyword-page[data-theme="dark"] {
  --sql-page: #0d1117;
  --sql-surface: #161b22;
  --sql-surface-muted: #21262d;
  --sql-border: #3d444d;
  --sql-border-strong: #656c76;
  --sql-text: #f0f6fc;
  --sql-muted: #9da7b1;
  --sql-primary: #58a6ff;
  --sql-primary-hover: #79c0ff;
  --sql-primary-contrast: #0d1117;
  --sql-selected: #1c3657;
  --sql-hover: #21262d;
  --sql-success: #3fb950;
  --sql-warning: #d29922;
  --sql-danger: #ff7b72;
}

.sql-keyword-main {
  inline-size: min(var(--sql-content-max), calc(100% - 32px));
  margin-inline: auto;
  padding-block: 38px;
}

.sql-keyword-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-block-end: 8px;
  color: var(--sql-muted);
  font-size: var(--sql-font-size-small);
}

.sql-keyword-breadcrumb a,
.sql-keyword-source-links a {
  color: var(--sql-primary);
}

.sql-keyword-page-header h1,
.sql-keyword-panel h2,
.sql-keyword-panel h3,
.sql-keyword-page-header p,
.sql-keyword-panel p,
.sql-keyword-panel ul,
.sql-keyword-panel dl {
  margin-block-start: 0;
}

.sql-keyword-page-header h1 {
  margin-block-end: 4px;
  font-size: clamp(25px, 3vw, 34px);
  line-height: 1.3;
}

.sql-keyword-page-header p {
  margin-block-end: 0;
  color: var(--sql-muted);
}

/* 共通パネル・見出し・フォーム部品 */
.sql-keyword-heading-row,
.sql-keyword-panel-heading,
.sql-keyword-detail-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.sql-keyword-notice {
  margin-block: 20px 16px;
  padding: 12px 16px;
  border: 1px solid color-mix(in srgb, var(--sql-primary) 35%, var(--sql-border));
  border-radius: 9px;
  color: color-mix(in srgb, var(--sql-primary) 78%, var(--sql-text));
  background: color-mix(in srgb, var(--sql-primary) 8%, var(--sql-surface));
  font-size: 14px;
}

.sql-keyword-panel {
  margin-block: 16px;
  padding: 18px;
  border-radius: var(--sql-radius-panel);
  background: var(--sql-surface);
  box-shadow: 0 1px 2px rgb(31 35 40 / 4%);
}

.sql-keyword-panel,
.sql-keyword-table-scroll,
.sql-keyword-comparison-scroll,
.sql-keyword-detail-item,
.sql-keyword-dialect-card,
.sql-keyword-check-result {
  border: 1px solid var(--sql-border);
}

.sql-keyword-panel-heading {
  margin-block-end: 14px;
}

.sql-keyword-panel h2 {
  margin-block-end: 3px;
  font-size: 19px;
}

.sql-keyword-panel-heading p,
.sql-keyword-detail-heading p {
  margin-block-end: 0;
  color: var(--sql-muted);
  font-size: var(--sql-font-size-body);
}

.sql-keyword-panel-heading--list {
  align-items: end;
}

.sql-keyword-button,
.sql-keyword-word-button {
  min-block-size: var(--sql-button-min-height);
  padding: 7px 14px;
  border: 1px solid var(--sql-border);
  border-radius: var(--sql-radius-control);
  color: var(--sql-text);
  background: var(--sql-surface-muted);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.sql-keyword-button--primary {
  border-color: var(--sql-primary);
  color: var(--sql-primary-contrast);
  background: var(--sql-primary);
}

.sql-keyword-filter-grid {
  display: grid;
  grid-template-columns: minmax(280px, 2fr) repeat(4, minmax(150px, 1fr));
  gap: var(--sql-control-gap);
}

.sql-keyword-field {
  display: grid;
  gap: 5px;
  color: var(--sql-muted);
  font-size: var(--sql-font-size-small);
  font-weight: 600;
}

.sql-keyword-control {
  inline-size: 100%;
  min-block-size: var(--sql-control-min-height);
  padding: 7px 11px;
  border: 1px solid var(--sql-border);
  border-radius: var(--sql-radius-control);
  color: var(--sql-text);
  background: var(--sql-surface);
  font: inherit;
  font-size: var(--sql-font-size-body);
}

.sql-keyword-message {
  min-block-size: 24px;
  margin-block: 10px 0;
  color: var(--sql-muted);
  font-size: var(--sql-font-size-small);
}

.sql-keyword-result-count {
  margin-block-end: 0;
  color: var(--sql-muted);
  font-size: var(--sql-font-size-small);
  font-weight: 600;
  white-space: nowrap;
}

/* 予約語一覧・比較表 */
.sql-keyword-table-scroll,
.sql-keyword-comparison-scroll {
  overflow: auto;
  border-radius: var(--sql-radius-scroll);
}

.sql-keyword-table,
.sql-keyword-comparison-table {
  inline-size: 100%;
  border-collapse: collapse;
  font-size: var(--sql-font-size-body);
}

.sql-keyword-table {
  min-inline-size: 960px;
}

.sql-keyword-comparison-table {
  min-inline-size: 720px;
  table-layout: fixed;
}

.sql-keyword-comparison-table th:first-child {
  inline-size: 160px;
}

.sql-keyword-table th,
.sql-keyword-table td,
.sql-keyword-comparison-table th,
.sql-keyword-comparison-table td {
  padding: 10px 12px;
  border-block-end: 1px solid var(--sql-border);
  text-align: start;
  vertical-align: top;
}

.sql-keyword-table thead th,
.sql-keyword-comparison-table thead th {
  position: sticky;
  inset-block-start: 0;
  z-index: 1;
  background: var(--sql-surface-muted);
  font-size: var(--sql-font-size-small);
}

.sql-keyword-table tbody tr:last-child td,
.sql-keyword-comparison-table tbody tr:last-child th,
.sql-keyword-comparison-table tbody tr:last-child td {
  border-block-end: 0;
}

.sql-keyword-comparison-table tbody th {
  color: var(--sql-muted);
  background: var(--sql-surface-muted);
}

.sql-keyword-word-button {
  min-inline-size: 94px;
  padding: 5px 10px;
  color: var(--sql-primary);
  background: transparent;
  font-family: var(--sql-font-code);
}

.sql-keyword-badge {
  display: inline-flex;
  align-items: center;
  min-block-size: 25px;
  padding: 2px 8px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.sql-keyword-badge--reserved {
  color: var(--sql-danger);
  border-color: color-mix(in srgb, var(--sql-danger) 36%, var(--sql-border));
  background: color-mix(in srgb, var(--sql-danger) 9%, var(--sql-surface));
}

.sql-keyword-badge--contextual {
  color: var(--sql-warning);
  border-color: color-mix(in srgb, var(--sql-warning) 38%, var(--sql-border));
  background: color-mix(in srgb, var(--sql-warning) 10%, var(--sql-surface));
}

.sql-keyword-badge--nonreserved {
  color: var(--sql-success);
  border-color: color-mix(in srgb, var(--sql-success) 34%, var(--sql-border));
  background: color-mix(in srgb, var(--sql-success) 9%, var(--sql-surface));
}

.sql-keyword-badge--none {
  color: var(--sql-muted);
  border-color: var(--sql-border);
  background: var(--sql-surface-muted);
}

.sql-keyword-card-list {
  display: none;
}

.sql-keyword-empty {
  margin-block: 18px 0;
  color: var(--sql-muted);
  text-align: center;
}

/* 予約語詳細 */
.sql-keyword-detail {
  scroll-margin-block-start: 16px;
}

.sql-keyword-detail-heading {
  align-items: center;
}

.sql-keyword-detail-heading code {
  color: var(--sql-primary);
  font-size: 24px;
}
.sql-keyword-detail-grid,
.sql-keyword-dialect-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-block: 16px;
}

.sql-keyword-detail-item,
.sql-keyword-dialect-card {
  min-inline-size: 0;
  padding: 12px;
  border-radius: var(--sql-radius-control);
  background: var(--sql-surface-muted);
}

.sql-keyword-detail-item dt {
  margin-block-end: 3px;
  color: var(--sql-muted);
  font-size: 12px;
  font-weight: 700;
}

.sql-keyword-detail-item dd {
  margin: 0;
}

.sql-keyword-dialect-card h4 {
  margin-block: 0 8px;
  font-size: var(--sql-font-size-body);
}

.sql-keyword-dialect-card p {
  margin-block: 7px 0;
  color: var(--sql-muted);
  font-size: var(--sql-font-size-small);
}

/* 識別子チェック */
.sql-keyword-checker-grid {
  display: grid;
  grid-template-columns: minmax(260px, 2fr) minmax(180px, 1fr) auto;
  align-items: end;
  gap: var(--sql-control-gap);
}

.sql-keyword-check-result {
  margin-block-start: 14px;
  padding: 14px;
  border-inline-start: 4px solid var(--sql-primary);
  border-radius: var(--sql-radius-control);
  background: var(--sql-surface-muted);
}

.sql-keyword-check-result p {
  margin-block: 5px 10px;
}

.sql-keyword-quote-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sql-keyword-page kbd,
.sql-keyword-page code {
  padding: 1px 5px;
  border: 1px solid var(--sql-border);
  border-radius: 5px;
  color: var(--sql-text);
  background: var(--sql-surface-muted);
  font-family: var(--sql-font-code);
}

/* DB比較・出典情報 */
.sql-keyword-compare-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sql-control-gap);
  margin-block-end: 14px;
}

.sql-keyword-about-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.sql-keyword-about h3 {
  margin-block: 18px 5px;
  font-size: 15px;
}

.sql-keyword-about li + li {
  margin-block-start: 4px;
}

.sql-keyword-source {
  margin-block: 18px 8px;
  padding-block-start: 14px;
  border-block-start: 1px solid var(--sql-border);
  color: var(--sql-muted);
  font-size: var(--sql-font-size-small);
}

.sql-keyword-source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: var(--sql-font-size-small);
}

/* 操作・判定状態 */
.sql-keyword-button:hover,
.sql-keyword-word-button:hover {
  border-color: var(--sql-border-strong);
  background: color-mix(in srgb, var(--sql-primary) 8%, var(--sql-surface));
}

.sql-keyword-button--primary:hover {
  border-color: var(--sql-primary-hover);
  background: var(--sql-primary-hover);
}

.sql-keyword-button:focus-visible,
.sql-keyword-word-button:focus-visible,
.sql-keyword-control:focus-visible,
.sql-keyword-table-scroll:focus-visible,
.sql-keyword-comparison-scroll:focus-visible,
.sql-keyword-source-links a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--sql-primary) 45%, transparent);
  outline-offset: 2px;
}

.sql-keyword-message[data-type="success"] {
  color: var(--sql-success);
}

.sql-keyword-message[data-type="error"] {
  color: var(--sql-danger);
}

.sql-keyword-table tbody tr:hover {
  background: var(--sql-hover);
}

.sql-keyword-table tbody tr.is-selected,
.sql-keyword-card.is-selected {
  background: var(--sql-selected);
}

.sql-keyword-check-result[data-level="safe"] {
  border-inline-start-color: var(--sql-success);
}

.sql-keyword-check-result[data-level="warning"] {
  border-inline-start-color: var(--sql-warning);
}

.sql-keyword-check-result[data-level="danger"] {
  border-inline-start-color: var(--sql-danger);
}

/* レスポンシブレイアウト */
@media (max-width: 1000px) {
  .sql-keyword-filter-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sql-keyword-filter-grid .sql-keyword-field:first-child {
    grid-column: 1 / -1;
  }

  .sql-keyword-detail-grid,
  .sql-keyword-dialect-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .sql-keyword-main {
    inline-size: min(100% - 20px, var(--sql-content-max));
    padding-block: 22px;
  }

  .sql-keyword-panel {
    padding: 14px;
  }

  .sql-keyword-heading-row,
  .sql-keyword-panel-heading,
  .sql-keyword-detail-heading {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
  }

  .sql-keyword-filter-grid,
  .sql-keyword-checker-grid,
  .sql-keyword-compare-controls,
  .sql-keyword-detail-grid,
  .sql-keyword-dialect-grid,
  .sql-keyword-about-grid {
    grid-template-columns: 1fr;
  }

  .sql-keyword-filter-grid .sql-keyword-field:first-child {
    grid-column: auto;
  }

  .sql-keyword-table-scroll {
    display: none;
  }

  .sql-keyword-card-list {
    display: grid;
    gap: 10px;
  }

  .sql-keyword-card {
    padding: 13px;
    border: 1px solid var(--sql-border);
    border-radius: 9px;
    background: var(--sql-surface);
  }

  .sql-keyword-card-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
  }

  .sql-keyword-card p {
    margin-block: 7px;
  }

  .sql-keyword-card .sql-keyword-button,
  .sql-keyword-detail-heading .sql-keyword-button,
  .sql-keyword-checker-grid .sql-keyword-button {
    inline-size: 100%;
  }

  .sql-keyword-quote-row {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sql-keyword-page *,
  .sql-keyword-page *::before,
  .sql-keyword-page *::after {
    scroll-behavior: auto !important;
  }
}