:root {
  --bg: #0b0b0d;
  --card: #17171a;
  --card-2: #212126;
  --line: #313137;
  --text: #f5f5f7;
  --muted: #98989f;
  --blue: #0a84ff;
  --green: #30d158;
  --red: #ff453a;
  --orange: #ff9f0a;
  --purple: #bf5af2;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #1d1d33, var(--bg)) no-repeat, var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding: 22px 16px calc(48px + env(safe-area-inset-bottom));
  line-height: 1.45;
}
.wrap { max-width: 760px; margin: 0 auto; }

header { display: flex; align-items: center; gap: 13px; margin-bottom: 4px; }
header h1 { font-size: 27px; margin: 0; letter-spacing: -0.6px; }
.logo {
  width: 44px; height: 44px; border-radius: 12px; flex: none;
  background: linear-gradient(135deg, #5e5ce6, #bf5af2);
  display: grid; place-items: center; font-size: 22px;
}
.tagline { color: var(--muted); font-size: 14px; margin: 0 0 18px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 17px; margin-bottom: 14px; }
.card h2 {
  font-size: 12.5px; margin: 0 0 12px; text-transform: uppercase;
  letter-spacing: 0.8px; color: var(--muted); font-weight: 700;
}
.hint { color: var(--muted); font-size: 13px; margin: 0 0 10px; }

label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 6px; }
label:first-child { margin-top: 0; }
input, select, textarea {
  width: 100%; padding: 12px; border-radius: 11px; border: 1px solid var(--line);
  background: var(--card-2); color: var(--text); font-size: 16px; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue); }
textarea { min-height: 120px; resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }

button {
  border: none; border-radius: 11px; padding: 12px 18px; font-size: 15px;
  font-weight: 600; cursor: pointer; font-family: inherit; color: #fff; background: var(--blue);
}
button:active { opacity: 0.72; }
button[disabled] { opacity: 0.45; cursor: default; }
button.secondary { background: var(--card-2); border: 1px solid var(--line); }
button.ghost { background: transparent; color: var(--blue); }
.row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.row > button { flex: 1 1 150px; }

.banner { border-radius: 12px; padding: 12px 14px; font-size: 13.5px; margin-bottom: 14px; border: 1px solid; }
.banner.warn { background: rgba(255,159,10,0.12); border-color: rgba(255,159,10,0.38); color: #ffd79a; }
.banner.ok { background: rgba(48,209,88,0.12); border-color: rgba(48,209,88,0.38); color: #a8f0bd; }
.banner.err { background: rgba(255,69,58,0.12); border-color: rgba(255,69,58,0.38); color: #ffb3ad; }
.banner.info { background: rgba(10,132,255,0.12); border-color: rgba(10,132,255,0.38); color: #a9d4ff; }
.banner code, .hint code { background: rgba(255,255,255,0.09); padding: 1px 5px; border-radius: 4px; font-size: 0.92em; }

.meta-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 10px; }
.pill { font-size: 12px; padding: 4px 10px; border-radius: 999px; background: var(--card-2); border: 1px solid var(--line); color: var(--muted); }
.pill.good { color: #a8f0bd; border-color: rgba(48,209,88,0.4); }
.pill.warn { color: #ffd79a; border-color: rgba(255,159,10,0.4); }
.pill.emul { color: #e2b6ff; border-color: rgba(191,90,242,0.45); }

.brand { margin: 2px 0 0; font-size: 13px; letter-spacing: 0.3px; }
.brand a { color: var(--purple); text-decoration: none; font-weight: 600; }
.brand a:hover { text-decoration: underline; }
footer a { color: var(--purple); text-decoration: none; }

.dev-group { border: 1px solid var(--line); border-radius: 12px; padding: 11px 13px; margin-bottom: 8px; background: var(--card-2); }
.dev-group h3 { margin: 0 0 6px; font-size: 13px; color: var(--purple); text-transform: uppercase; letter-spacing: 0.6px; }
.dev-group table { width: 100%; border-collapse: collapse; font-size: 13px; }
.dev-group td { padding: 3px 0; vertical-align: top; word-break: break-word; }
.dev-group td:first-child { color: var(--muted); width: 45%; padding-right: 10px; }
.dev-empty { color: var(--muted); font-size: 13px; }

.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.steps li {
  padding: 9px 12px; border-left: 2px solid var(--line); margin-left: 4px;
  font-size: 13.5px; display: flex; gap: 8px; align-items: baseline;
}
.steps li[data-depth="1"] { padding-left: 26px; }
.steps li[data-depth="2"] { padding-left: 40px; }
.steps li .idx { color: var(--muted); font-size: 11px; min-width: 20px; }
.steps li.emulated .name { color: #e2b6ff; }
.steps li.emulated .name::after { content: " ⟡"; }
.steps li.flow { color: var(--purple); font-weight: 600; }

.log { display: flex; flex-direction: column; gap: 6px; max-height: 420px; overflow: auto; }
.entry {
  background: var(--card-2); border: 1px solid var(--line); border-left-width: 3px;
  border-radius: 10px; padding: 9px 11px; font-size: 13px;
}
.entry.run { border-left-color: var(--blue); }
.entry.ok { border-left-color: var(--green); }
.entry.skip { border-left-color: var(--orange); }
.entry.emul { border-left-color: var(--purple); }
.entry.emul .t::after { content: " ⟡"; color: var(--purple); }
.entry.error { border-left-color: var(--red); }
.entry .t { font-weight: 600; }
.entry .d { color: var(--muted); white-space: pre-wrap; word-break: break-word; margin-top: 3px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }

.output { background: #06130a; border: 1px solid rgba(48,209,88,0.35); border-radius: 12px; padding: 13px; }
.output pre { margin: 0; color: #7bf59b; white-space: pre-wrap; word-break: break-word; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }

dialog {
  border: 1px solid var(--line); background: var(--card); color: var(--text);
  border-radius: 18px; padding: 18px; width: min(520px, calc(100vw - 32px));
}
dialog::backdrop { background: rgba(0,0,0,0.65); }
dialog h3 { margin: 0 0 8px; font-size: 18px; }
dialog p.msg { margin: 0 0 12px; color: var(--muted); font-size: 14px; white-space: pre-wrap; word-break: break-word; }
.choices { display: flex; flex-direction: column; gap: 8px; max-height: 50vh; overflow: auto; margin-bottom: 12px; }
.choices button { background: var(--card-2); border: 1px solid var(--line); text-align: left; font-weight: 500; }
.choices button.picked { border-color: var(--blue); background: rgba(10,132,255,0.18); }

details { border-top: 1px solid var(--line); padding-top: 12px; margin-top: 14px; }
details summary { cursor: pointer; color: var(--blue); font-size: 14px; }
details .body { font-size: 13.5px; color: var(--muted); }
details .body li { margin-bottom: 6px; }
footer { color: var(--muted); font-size: 12px; text-align: center; margin-top: 26px; }

.routes { margin-top: 14px; }
.route { display: flex; gap: 8px; align-items: baseline; font-size: 13px; padding: 5px 0; border-bottom: 1px solid var(--line); }
.route:last-child { border-bottom: none; }
.route .mark { width: 16px; flex: none; }
.route .who { font-weight: 600; min-width: 108px; }
.route .why { color: var(--muted); word-break: break-word; }
.route.ok .mark { color: var(--green); }
.route.bad .mark { color: var(--red); }