:root {
  --blue: #469cda; --blue-ink: #1c5a86; --ink: #1d2733; --muted: #5d6b7a; --line: #dde3ea;
  --bg: #f4f7fa; --card: #ffffff; --ok: #1f7a4a; --ok-bg: #e3f4ea; --bad: #a32d2d; --bad-bg: #fbe9e9;
  --todo: #7a5a00; --todo-bg: #fdf3d6; --radius: 10px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #e7edf3; --muted: #9fb0c0; --line: #2c3946; --bg: #0f161d; --card: #17212b;
          --blue-ink: #8cc4ee; --ok: #7fd3a4; --ok-bg: #173527; --bad: #f19c9c; --bad-bg: #3a1c1c;
          --todo: #f0cf74; --todo-bg: #3a3014; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--ink); background: var(--bg); }
a { color: var(--blue-ink); }
main { max-width: 980px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 24px; margin: 0 0 12px; } h2 { font-size: 18px; margin: 20px 0 8px; }
code { background: var(--bg); padding: 1px 5px; border-radius: 4px; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 12px 20px;
       background: var(--card); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 18px; text-decoration: none; color: var(--ink); }
.brand span { color: var(--blue); font-weight: 500; }
.top nav { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; margin-bottom: 18px; }
.card.narrow { max-width: 440px; margin: 40px auto; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.grid .card { margin: 0; } .grid h2 { margin-top: 0; }
.head-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.head-row h1, .head-row h2 { margin: 0; }
.muted { color: var(--muted); } small { display: block; color: var(--muted); font-size: 13px; margin-top: 3px; }
.notice { background: #e8f2fb; color: #13466b; padding: 10px 12px; border-radius: 8px; }
.error { background: var(--bad-bg); color: var(--bad); padding: 10px 12px; border-radius: 8px; }
@media (prefers-color-scheme: dark) { .notice { background: #16324a; color: #cfe6f8; } }
label { display: block; margin: 0 0 14px; font-weight: 600; }
label.check { font-weight: 500; display: flex; gap: 8px; align-items: center; padding-top: 26px; }
input, select, textarea { display: block; width: 100%; margin-top: 5px; padding: 9px 11px; font: inherit;
  color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 8px; }
input[type=checkbox] { width: auto; display: inline; margin: 0; }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--blue); outline-offset: 1px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .two { grid-template-columns: 1fr; } }
button, .button { display: inline-block; padding: 8px 14px; font: inherit; font-weight: 600; cursor: pointer;
  border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--ink); text-decoration: none; }
button.primary, .button.primary { background: var(--blue-ink); border-color: var(--blue-ink); color: #fff; }
button.danger { color: var(--bad); }
button.link { border: 0; background: none; padding: 0; color: var(--blue-ink); font-weight: 500; }
button:disabled { opacity: .55; cursor: default; }
form.inline, details.inline { display: inline-block; margin: 0 4px 4px 0; vertical-align: top; }
.pill { display: inline-block; padding: 2px 9px; border-radius: 99px; font-size: 13px; font-weight: 600; margin: 0 4px 4px 0; }
.pill.ok { background: var(--ok-bg); color: var(--ok); } .pill.bad { background: var(--bad-bg); color: var(--bad); }
.pill.todo { background: var(--todo-bg); color: var(--todo); }
.actions a { margin-right: 12px; }
.crumbs { margin: 0 0 6px; color: var(--muted); }
.tabs { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.tabs a { padding: 7px 12px; border-radius: 8px; text-decoration: none; background: var(--card); border: 1px solid var(--line); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 13px; color: var(--muted); }
.row-actions { white-space: nowrap; }
.pin-form { display: flex; gap: 6px; margin-top: 6px; } .pin-form input { width: 110px; margin: 0; }
summary { cursor: pointer; color: var(--blue-ink); font-weight: 600; padding: 8px 0; }
.voice-preview { padding-top: 26px; } .voice-preview audio { width: 100%; margin-top: 8px; }
.chat { height: 380px; overflow-y: auto; border: 1px solid var(--line); border-radius: 8px; padding: 12px; background: var(--bg); }
.chat.small { height: auto; max-height: 320px; }
.line { margin: 0 0 8px; } .line.lea b { color: var(--blue-ink); } .line.keypad { color: var(--muted); font-style: italic; }
.say { display: flex; gap: 8px; margin-top: 10px; } .say input { margin: 0; } #keypad { width: 120px; flex: none; }
.status { color: var(--muted); }
.scenario { border-top: 1px solid var(--line); padding: 14px 0; }
.steps { margin: 6px 0; } .checks { list-style: none; padding: 0; margin: 8px 0; }
.checks .ok { color: var(--ok); } .checks .bad { color: var(--bad); }
.step-row { display: grid; grid-template-columns: 1fr 140px; gap: 12px; }
@media (max-width: 640px) { .step-row { grid-template-columns: 1fr 100px; } .say { flex-wrap: wrap; } }