:root {
  --bg: #0f1420; --panel: #1a2233; --panel2: #222c42; --line: #2c3852;
  --text: #e6ecf7; --muted: #8ea0c0; --accent: #4f9dff; --accent2: #2b6fd6;
  --ok: #37d17a; --warn: #ffb454; --bad: #ff5d6c;
}
* { box-sizing: border-box; }
body {
  margin: 0; display: flex; min-height: 100vh;
  font-family: "Segoe UI", Tahoma, sans-serif; background: var(--bg); color: var(--text);
}
.sidebar {
  width: 220px; background: #0b101a; border-right: 1px solid var(--line);
  display: flex; flex-direction: column; padding: 18px 0;
}
.brand { font-size: 20px; font-weight: 700; padding: 0 20px 18px; line-height: 1.15; }
.brand span { color: var(--accent); }
#nav { display: flex; flex-direction: column; }
#nav a {
  padding: 11px 20px; color: var(--muted); cursor: pointer; font-size: 14px;
  border-left: 3px solid transparent; user-select: none;
}
#nav a:hover { color: var(--text); background: #131b2b; }
#nav a.active { color: var(--text); border-left-color: var(--accent); background: #131b2b; }
.scope-note {
  margin-top: auto; padding: 12px 20px; font-size: 11px; color: var(--muted);
  border-top: 1px solid var(--line);
}
.content { flex: 1; padding: 28px 34px; max-width: 1000px; }
h1 { margin: 0 0 18px; font-size: 24px; }
h2 { margin: 26px 0 12px; font-size: 18px; }
h3 { margin: 20px 0 8px; font-size: 15px; color: var(--muted); }
.muted { color: var(--muted); font-size: 13px; }
code { background: #0b101a; padding: 1px 6px; border-radius: 4px; font-size: 12px; }
.hidden { display: none !important; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.card .k { font-size: 12px; color: var(--muted); }
.card .v { font-size: 15px; margin-top: 4px; font-weight: 600; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.ok { background: rgba(55,209,122,.15); color: var(--ok); }
.badge.off { background: rgba(255,180,84,.15); color: var(--warn); }
.badge.bad { background: rgba(255,93,108,.15); color: var(--bad); }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.panel ul { margin: 6px 0; padding-left: 20px; }
.panel li { margin: 4px 0; font-size: 14px; }

.form { max-width: 720px; }
.form label { display: block; margin: 12px 0 4px; font-size: 13px; color: var(--muted); }
input, select, textarea {
  width: 100%; background: var(--panel2); border: 1px solid var(--line); color: var(--text);
  padding: 9px 11px; border-radius: 8px; font-size: 14px; font-family: inherit;
}
textarea { resize: vertical; line-height: 1.5; }
#prompt-out, #state-json { width: 100%; font-family: Consolas, monospace; font-size: 13px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
fieldset { border: 1px solid var(--line); border-radius: 8px; margin-top: 14px; padding: 10px 14px; }
legend { color: var(--muted); font-size: 12px; padding: 0 6px; }
.chk { display: inline-flex !important; align-items: center; gap: 6px; margin: 6px 16px 6px 0 !important; width: auto !important; }
.chk input { width: auto; }

.row { display: flex; align-items: center; gap: 12px; margin: 14px 0; }
.btn {
  background: var(--panel2); border: 1px solid var(--line); color: var(--text);
  padding: 9px 16px; border-radius: 8px; cursor: pointer; font-size: 14px;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent2); border-color: var(--accent2); }
.btn.primary:hover { background: var(--accent); }
.msg { font-size: 13px; color: var(--ok); }
.warn { background: rgba(255,180,84,.12); border: 1px solid var(--warn); color: var(--warn);
  padding: 10px 14px; border-radius: 8px; font-size: 13px; }

.statusbar { padding: 12px 16px; border-radius: 10px; font-weight: 700; font-size: 16px; margin: 14px 0; }
.statusbar.ok { background: rgba(55,209,122,.15); color: var(--ok); border: 1px solid var(--ok); }
.statusbar.needs { background: rgba(255,180,84,.15); color: var(--warn); border: 1px solid var(--warn); }
.statusbar.fail { background: rgba(255,93,108,.15); color: var(--bad); border: 1px solid var(--bad); }
.check-item { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.check-item:last-child { border-bottom: none; }

.list { list-style: none; padding: 0; }
.list li { padding: 10px 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
  margin-bottom: 8px; cursor: pointer; font-size: 14px; }
.list li:hover { border-color: var(--accent); }
.preview { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px;
  white-space: pre-wrap; font-size: 13px; margin-top: 14px; }