:root {
  --bg: #0d1117;
  --panel: #161b22;
  --border: #30363d;
  --text: #c9d1d9;
  --muted: #8b949e;
  --good: #3fb950;
  --bad: #f85149;
  --warn: #d29922;
  --link: #79c0ff;
  --code-bg: #0d1117;
  --accent: #58a6ff;
  --row-hover: #1c2128;
  --sel: #1f3a5f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  height: 100vh;
  overflow: hidden;
}

a { color: var(--link); }
a:hover { text-decoration: underline; }

code, .mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
}

.app {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--border);
  background: #0b0f14;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.sidebar-head {
  padding: 16px 14px 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-head .brand {
  display: block;
  font-size: 12px;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 2px;
}
.sidebar-head .brand:hover { color: var(--link); }

.sidebar-head h1 {
  font-size: 17px;
  margin: 0 0 10px;
  font-weight: 600;
}

.field {
  margin-bottom: 8px;
}
.field label {
  display: block;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 3px;
}
.field select,
.field input,
.field textarea {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 7px 9px;
  font-size: 13px;
  font-family: inherit;
}
.field textarea {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  resize: vertical;
  min-height: 52px;
}
.field select:focus,
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.table-search { padding: 8px 14px; flex-shrink: 0; }

.table-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 8px 16px;
  min-height: 0;
}

.table-item {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text);
  padding: 7px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  margin-bottom: 1px;
}
.table-item:hover { background: var(--row-hover); }
.table-item.active { background: var(--sel); color: #fff; }
.table-item .badge {
  float: right;
  font-size: 10px;
  color: var(--warn);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  margin-top: 2px;
}
.table-list .empty,
.table-list .loading {
  color: var(--muted);
  font-size: 13px;
  padding: 12px 10px;
}

.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

.toolbar {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  flex-shrink: 0;
}

.toolbar-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.toolbar .field { margin-bottom: 0; flex: 1; min-width: 180px; }
.toolbar .field.sql { flex: 2; min-width: 280px; }

.btn {
  background: #238636;
  color: #fff;
  border: 1px solid #2ea043;
  border-radius: 6px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  height: 34px;
}
.btn:hover { background: #2ea043; }
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.btn.secondary {
  background: var(--panel);
  border-color: var(--border);
  color: var(--text);
}
.btn.secondary:hover { background: var(--row-hover); }
.btn.danger {
  background: transparent;
  border-color: var(--border);
  color: var(--muted);
}
.btn.danger:hover { color: var(--bad); border-color: var(--bad); }

.status-bar {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
}
.status-bar .ok { color: var(--good); }
.status-bar .err { color: var(--bad); }
.status-bar .warn { color: var(--warn); }

.banner {
  margin: 10px 16px 0;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 13px;
  border: 1px solid var(--border);
  display: none;
}
.banner.show { display: block; }
.banner.warn {
  background: rgba(210, 153, 34, 0.12);
  border-color: rgba(210, 153, 34, 0.35);
  color: var(--text);
}
.banner.err {
  background: rgba(248, 81, 73, 0.1);
  border-color: rgba(248, 81, 73, 0.35);
}

.meta {
  padding: 8px 16px;
  font-size: 12px;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.meta .cols { color: var(--text); }

.filters {
  padding: 8px 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  background: #0f1419;
}
.filters input {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 6px 9px;
  font-size: 13px;
}
.filters input.search { flex: 1; min-width: 160px; }
.filters .hint { color: var(--muted); font-size: 12px; }

.grid-wrap {
  flex: 1;
  min-height: 0;
  overflow: auto;
  position: relative;
}

.grid-inner {
  position: relative;
}

table.grid {
  border-collapse: collapse;
  width: max-content;
  min-width: 100%;
  table-layout: fixed;
}

table.grid thead {
  position: sticky;
  top: 0;
  z-index: 2;
}
table.grid th {
  background: #12161c;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}
table.grid th:hover { color: var(--text); }
table.grid th .sort { color: var(--accent); margin-left: 4px; }
table.grid th .pk {
  color: var(--warn);
  font-size: 10px;
  margin-left: 4px;
}

table.grid td {
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  padding: 5px 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  white-space: nowrap;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  height: 28px;
}
table.grid tbody tr:hover td { background: var(--row-hover); }

.placeholder {
  padding: 48px 24px;
  text-align: center;
  color: var(--muted);
  max-width: 52ch;
  margin: 0 auto;
}
.placeholder h2 {
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 8px;
}
.placeholder p { margin: 0 0 8px; font-size: 13px; }

@media (max-width: 800px) {
  .app { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .sidebar { max-height: 40vh; border-right: none; border-bottom: 1px solid var(--border); }
}