:root {
  --bg: #14142b;
  --bg-2: #1c1b36;
  --card: #1f1e3d;
  --line: #322f5c;
  --ink: #eeecfb;
  --ink-dim: #a29fc4;
  --amber: #ffb34d;
  --rose: #e85d8f;
  --green: #4fd6a0;
  --red: #ff6b6b;
  --blue: #6ba8ff;
  --violet: #b48cff;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right))
           max(24px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  background-attachment: fixed;
  color: var(--ink);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  -webkit-text-size-adjust: 100%;
  max-width: 720px;
  margin-inline: auto;
}

header { padding: 8px 4px 4px; }
h1 { font-size: 1.35rem; margin: 0; letter-spacing: -0.01em; }
.sub { margin: 2px 0 0; color: var(--ink-dim); font-size: 0.85rem; }

h2 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--ink-dim);
  margin: 0 0 10px;
  font-weight: 600;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  margin: 12px 0;
}

.banner {
  border-radius: 12px;
  padding: 12px 14px;
  margin: 4px 0 0;
  font-size: 0.85rem;
  display: grid;
  gap: 4px;
}
.banner-warn { background: #4a2f10; border: 1px solid #8a5a1c; color: #ffd9a8; }
.banner strong { color: #fff; }

/* Environment list */
.caps { margin: 0; display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; font-size: 0.83rem; }
.caps dt { color: var(--ink-dim); }
.caps dd { margin: 0; text-align: right; font-family: var(--mono); font-size: 0.78rem; }
.ok { color: var(--green); }
.no { color: var(--red); }
.meh { color: var(--amber); }

/* Fields */
.field { margin-bottom: 14px; }
.field-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--ink-dim);
  margin-bottom: 6px;
  font-weight: 600;
}
.hint { font-size: 0.76rem; color: var(--ink-dim); margin: 6px 0 0; }

.seg { display: flex; gap: 6px; }
.seg button {
  flex: 1;
  min-height: 44px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #191831;
  color: var(--ink-dim);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.seg button[aria-checked="true"] {
  background: #2e2a55;
  border-color: var(--violet);
  color: #fff;
  font-weight: 600;
}
.seg button:disabled { opacity: 0.4; cursor: not-allowed; }

button.primary {
  width: 100%;
  min-height: 54px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(120deg, var(--amber), var(--rose));
  color: #23132a;
  font: inherit;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
button.primary:disabled { background: #2a2850; color: var(--ink-dim); }

button.ghost {
  flex: 1;
  min-height: 44px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #191831;
  color: var(--ink);
  font: inherit;
  font-size: 0.88rem;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
button.ghost.small { min-height: 34px; font-size: 0.76rem; padding: 0 12px; flex: 0 0 auto; }
button.ghost.danger { color: var(--red); }

.row { display: flex; gap: 8px; margin-top: 10px; }
.row.tight { margin-top: 0; gap: 6px; }

/* Metrics */
.verdict {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #191831;
  border-left: 3px solid var(--violet);
  font-size: 0.87rem;
}
.verdict.good { border-left-color: var(--green); }
.verdict.bad { border-left-color: var(--red); }

.metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.metric { background: #191831; border-radius: 10px; padding: 9px 11px; }
.metric-k {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-dim);
}
.metric-v { font-family: var(--mono); font-size: 1.0rem; margin-top: 2px; }
.metric.wide { grid-column: 1 / -1; }
.metric.wide .metric-v { font-size: 0.85rem; }

/* Log */
.log-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.log-head h2 { margin: 0; }

.log {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  max-height: 60vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.45;
  border-top: 1px solid var(--line);
}
.log li {
  display: grid;
  grid-template-columns: 4.6em 5.2em 1fr;
  gap: 8px;
  padding: 5px 2px;
  border-bottom: 1px solid #262347;
}
.log .t { color: #6f6c95; }
.log .k { text-transform: uppercase; font-size: 0.64rem; letter-spacing: 0.04em; padding-top: 1px; }
.log .m { color: var(--ink); word-break: break-word; }

.k-chunk  { color: var(--amber); }
.k-net    { color: var(--blue); }
.k-media  { color: var(--green); }
.k-state  { color: var(--ink-dim); }
.k-vis    { color: var(--violet); }
.k-stall  { color: var(--red); }
.k-error  { color: var(--red); font-weight: 700; }
.k-freeze { color: var(--red); font-weight: 700; }
.k-marker { color: #fff; font-weight: 700; }
.k-session{ color: var(--rose); font-weight: 700; }

.log li.hot { background: #33162a; }