:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2330;
  --border: #30363d;
  --text: #c9d1d9;
  --muted: #8b949e;
  --accent: #58a6ff;
  --green: #3fb950;
  --red: #f85149;
  --yellow: #d29922;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
}
header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}
header h1 { font-size: 16px; margin: 0; font-weight: 600; }
header .badge { font-size: 12px; color: var(--muted); }

/* tabs */
.tabs { display: flex; gap: 2px; padding: 0 12px; border-bottom: 1px solid var(--border); }
.tab {
  background: transparent; border: none; border-bottom: 2px solid transparent;
  border-radius: 0; padding: 9px 14px; color: var(--muted); font-size: 13px;
  display: inline-flex; align-items: center; gap: 8px;
}
.tab.active { color: var(--text); border-bottom-color: var(--accent); }
.tab:hover { border-color: var(--accent); }
.tab-close { color: var(--muted); font-size: 15px; line-height: 1; padding: 0 2px; }
.tab-close:hover { color: var(--red); }
#tab-content { padding: 0; }

.layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 16px;
  padding: 16px;
  align-items: start;
}
.col { min-width: 0; }
.col.left section, .col.right section { margin-bottom: 0; }
.block {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  margin: 16px;
}
.block > h2 { margin: 0 0 10px; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.panel { /* legacy */ }
.row { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.title { font-weight: 600; }
.muted { color: var(--muted); font-size: 12px; }
.mono { font-family: ui-monospace, SFMono-Regular, monospace; }
.small { font-size: 11px; }
.ok { color: var(--green); }
.err { color: var(--red); }

/* Streams table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: .4px; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--panel-2); }
tbody tr.active { background: rgba(88,166,255,.12); }
.actions-col { white-space: nowrap; }
td .pill { display: inline-block; }

.pill {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.pill.running { color: var(--green); border-color: var(--green); }
.pill.stopped { color: var(--muted); }
.pill.error { color: var(--red); border-color: var(--red); }
.pill.starting { color: var(--yellow); border-color: var(--yellow); }

/* Form */
.form .field { margin-bottom: 10px; display: flex; flex-direction: column; gap: 4px; }
.form label { font-size: 12px; color: var(--muted); }
.form h3 { margin: 14px 0 4px; font-size: 12px; color: var(--accent); text-transform: uppercase; letter-spacing: .4px; }
.form input {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 9px;
  font-size: 13px;
  font-family: inherit;
}
.form input:focus { outline: none; border-color: var(--accent); }
.form small { font-size: 11px; color: var(--muted); line-height: 1.4; }
.form code { background: var(--panel-2); padding: 1px 4px; border-radius: 3px; }
.form .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form textarea {
  width: 100%; min-height: 200px; background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; padding: 8px;
  font-family: ui-monospace, SFMono-Regular, monospace; font-size: 12px; resize: vertical;
}
.form textarea:focus { outline: none; border-color: var(--accent); }

button, .btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
}
button:hover { border-color: var(--accent); }
button.danger:hover { border-color: var(--red); color: var(--red); }
.actions { display: flex; gap: 6px; margin-top: 4px; }
.feed {
  max-height: 320px;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: 12px;
}
.feed .evt { padding: 4px 6px; border-bottom: 1px solid var(--border); }
.feed .op-insert { color: var(--green); }
.feed .op-update { color: var(--yellow); }
.feed .op-delete { color: var(--red); }
.mermaid { background: var(--panel-2); border-radius: 8px; padding: 16px; }
.actions { display: flex; gap: 6px; margin-top: 8px; }
a.link { color: var(--accent); cursor: pointer; text-decoration: underline; font-size: 12px; }