:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-strong: #ffffff;
  --text: #172033;
  --muted: #667085;
  --border: #dbe3ee;
  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.12);
  --success: #15803d;
  --success-soft: #dcfce7;
  --warning: #b45309;
  --warning-soft: #fef3c7;
  --danger: #b42318;
  --danger-soft: #fee4e2;
  --editor-bg: #ffffff;
  --editor-text: #0f172a;
  --topbar-bg: rgba(255, 255, 255, 0.9);
  --shadow: 0 18px 48px rgba(15, 23, 42, 0.08);
  --radius-xl: 18px;
  --radius-lg: 14px;
  --radius-md: 12px;
  --radius-sm: 10px;
}

body[data-theme="dark"] {
  --bg: #0b1220;
  --surface: #111827;
  --surface-strong: #0f172a;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: #243244;
  --accent: #60a5fa;
  --accent-soft: rgba(96, 165, 250, 0.16);
  --success: #86efac;
  --success-soft: rgba(34, 197, 94, 0.16);
  --warning: #fcd34d;
  --warning-soft: rgba(245, 158, 11, 0.16);
  --danger: #fca5a5;
  --danger-soft: rgba(248, 113, 113, 0.16);
  --editor-bg: #0f172a;
  --editor-text: #e5e7eb;
  --topbar-bg: rgba(17, 24, 39, 0.9);
  --shadow: 0 18px 48px rgba(2, 6, 23, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  font-family:
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
}

body[data-theme="dark"] {
  background: linear-gradient(180deg, #0f172a 0%, var(--bg) 100%);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 64px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--topbar-bg);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand h1 {
  margin: 0;
  font-size: 18px;
  line-height: 1.2;
}

.brand p {
  margin: 3px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

button {
  min-height: 34px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  padding: 7px 12px;
  font-size: 13px;
  cursor: pointer;
  transition:
    border-color 0.15s ease,
    color 0.15s ease,
    background-color 0.15s ease,
    transform 0.12s ease;
}

button:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

button.danger-btn {
  border-color: color-mix(in srgb, var(--danger) 30%, var(--border));
  color: var(--danger);
  background: color-mix(in srgb, var(--danger-soft) 28%, var(--surface));
}

button.danger-btn:hover {
  border-color: var(--danger);
  color: var(--danger);
  background: color-mix(in srgb, var(--danger-soft) 60%, var(--surface));
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.layout {
  height: calc(100vh - 64px);
  min-height: calc(100vh - 64px);
  padding: 12px;
  display: grid;
  grid-template-columns: 350px minmax(0, 1fr);
  gap: 12px;
}

.panel,
.sidebar {
  min-height: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.panel-title {
  min-height: 42px;
  border-bottom: 1px solid var(--border);
  padding: 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.status-badge {
  max-width: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border-radius: 999px;
  padding: 3px 9px;
  background: var(--accent-soft);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

#queryHint {
  max-width: 100%;
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
}

.status-badge.is-success {
  background: var(--success-soft);
  color: var(--success);
}

.status-badge.is-warning {
  background: var(--warning-soft);
  color: var(--warning);
}

.status-badge.is-error {
  background: var(--danger-soft);
  color: var(--danger);
}

.status-badge.is-loading {
  background: var(--accent-soft);
  color: var(--accent);
}

.status-badge.is-loading::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: currentColor;
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.35;
    transform: scale(0.85);
  }

  50% {
    opacity: 1;
    transform: scale(1.15);
  }
}

.sidebar-body,
.result-area,
#sqlEditor {
  min-height: 0;
}

.sidebar {
  display: flex;
  flex-direction: column;
}

.sidebar-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: auto;
}

.hero-card,
.section-block,
.summary-card,
.list-card,
.schema-card,
.drop-zone {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
}

.hero-card {
  padding: 14px;
}

.hero-card h2 {
  margin: 0 0 8px;
  font-size: 16px;
}

.hero-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.drop-zone {
  margin-top: 12px;
  padding: 14px;
  border-style: dashed;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  cursor: pointer;
  transition:
    border-color 0.15s ease,
    color 0.15s ease,
    background-color 0.15s ease;
}

.drop-zone:hover,
.drop-zone.is-dragover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.summary-card {
  padding: 12px;
  border-radius: var(--radius-sm);
}

.summary-label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
}

.summary-card strong {
  font-size: 15px;
  word-break: break-word;
}

.section-block {
  overflow: hidden;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  background: var(--surface-strong);
}

.section-head {
  min-height: 38px;
  padding: 0 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.section-head h3 {
  margin: 0;
  font-size: 13px;
}

.muted-text {
  color: var(--muted);
  font-size: 12px;
}

.list-card,
.schema-card {
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 12px;
}

.empty-card {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.table-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.table-item {
  width: 100%;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-radius: var(--radius-sm);
}

.table-item.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.workspace {
  min-width: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  --workspace-split: var(--workspace-split-initial, 42%);
}

.editor-panel,
.result-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.editor-panel {
  flex: 0 0 var(--workspace-split);
}

.result-panel {
  flex: 1 1 0;
}

.editor-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.sql-editor-shell {
  position: relative;
  flex: 1 1 auto;
  min-height: 220px;
  overflow: hidden;
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

.sql-highlighter,
#sqlEditor {
  position: absolute;
  inset: 0;
  width: 100%;
  border: 0;
  resize: none;
  padding: 14px;
  background: var(--editor-bg);
  font-size: 14px;
  line-height: 1.7;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  white-space: pre-wrap;
  word-break: break-word;
  overflow: auto;
}

.sql-highlighter {
  margin: 0;
  pointer-events: none;
  color: var(--editor-text);
  background: color-mix(in srgb, var(--editor-bg) 96%, var(--bg));
}

.sql-highlighter code {
  display: block;
  min-height: 100%;
}

.sql-token-keyword {
  color: var(--accent);
  font-weight: 700;
}

.sql-token-function {
  color: #0f766e;
}

.sql-token-string {
  color: #b45309;
}

.sql-token-comment {
  color: var(--muted);
  font-style: italic;
}

.sql-token-number {
  color: #7c3aed;
}

.sql-token-identifier {
  color: var(--editor-text);
}

.sql-token-operator {
  color: #334155;
}

#sqlEditor {
  color: transparent;
  caret-color: var(--editor-text);
  background: transparent;
  position: absolute;
  inset: 0;
  z-index: 1;
}

#sqlEditor:focus {
  outline: none;
}

#sqlEditor::placeholder {
  color: color-mix(in srgb, var(--muted) 70%, transparent);
}

.workspace-splitter {
  width: 100%;
  border: 0;
  padding: 0;
  min-height: 10px;
  background: transparent;
  cursor: row-resize;
  position: relative;
  touch-action: none;
}

.workspace-splitter:hover,
.workspace-splitter:focus-visible {
  outline: none;
}

.workspace-splitter::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: var(--border);
}

.workspace-splitter::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 36px;
  height: 6px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 22%, var(--border));
}

.workspace-splitter:hover::before,
.workspace-splitter:focus-visible::before {
  background: var(--accent);
}

.workspace.is-dragging .workspace-splitter::before {
  background: var(--accent);
}

.workspace.is-dragging .workspace-splitter::after {
  background: color-mix(in srgb, var(--accent) 38%, var(--border));
}

body[data-theme="dark"] .workspace-splitter::before {
  background: #334155;
}

body[data-theme="dark"] .workspace-splitter::after {
  background: rgba(96, 165, 250, 0.45);
}

.workspace.is-dragging .sql-editor-shell,
.workspace.is-dragging .result-panel {
  user-select: none;
}

.result-area {
  flex: 1;
  overflow: auto;
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 12px;
}

.result-note {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.result-table th,
.result-table td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

.result-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: color-mix(in srgb, var(--surface) 90%, var(--bg));
}

.result-table tr:nth-child(2n) td {
  background: color-mix(in srgb, var(--surface) 94%, var(--bg));
}

.schema-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.schema-table th,
.schema-table td {
  border-bottom: 1px solid var(--border);
  padding: 8px 6px;
  text-align: left;
  vertical-align: top;
}

.schema-table th {
  color: var(--muted);
  font-weight: 600;
}

.schema-table tr:last-child td {
  border-bottom: 0;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
}

.toolbar-note {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

body[data-theme="dark"] .sql-token-function {
  color: #5eead4;
}

body[data-theme="dark"] .sql-token-string {
  color: #fbbf24;
}

body[data-theme="dark"] .sql-token-number {
  color: #c4b5fd;
}

body[data-theme="dark"] .sql-token-operator {
  color: #cbd5e1;
}

body[data-theme="dark"] .result-table th {
  background: #1f2937;
}

body[data-theme="dark"] .result-table tr:nth-child(2n) td {
  background: #0f172a;
}

body[data-theme="dark"] .schema-table tr:last-child td,
body[data-theme="dark"] .schema-table th,
body[data-theme="dark"] .schema-table td,
body[data-theme="dark"] .result-table th,
body[data-theme="dark"] .result-table td {
  border-color: #334155;
}

body[data-theme="dark"] .drop-zone:hover,
body[data-theme="dark"] .drop-zone.is-dragover {
  background: rgba(96, 165, 250, 0.14);
}

@media (max-width: 1080px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .workspace {
    --workspace-split: 44%;
  }
}

@media (max-width: 720px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .actions {
    justify-content: flex-start;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }

  .workspace {
    --workspace-split: 48%;
  }

  .workspace-splitter {
    min-height: 8px;
  }

  .workspace-splitter::after {
    width: 32px;
    height: 6px;
  }
}