:root {
  --jc-red: #d12a2f;
  --jc-ink: #1c2430;
  --jc-muted: #6b7280;
  --jc-line: #e6e8ec;
  --jc-soft: #f6f7f9;
  color-scheme: light;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: #eef1f4;
  color: var(--jc-ink);
  font-family: BrownStd, "Segoe UI", system-ui, sans-serif;
}

.nihss {
  width: min(760px, calc(100% - 28px));
  margin: 0 auto;
  padding: 22px 0 128px;
}

.nihss__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  margin-bottom: 16px;
}

.nihss__logo {
  display: block;
  width: min(340px, 70%);
  height: auto;
}

.nihss__title {
  margin: 8px 0 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--jc-muted);
}

.nihss__item {
  margin: 0 0 18px;
  padding: 16px 16px 8px;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 28px -22px rgba(26, 20, 16, 0.45);
}

.nihss__item h2 {
  margin: 0 0 10px;
  color: var(--jc-red);
  font-size: 17px;
  font-weight: 750;
}

.nihss__list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--jc-line);
  border-radius: 12px;
  overflow: hidden;
}

.nihss__opt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 0;
  border-bottom: 1px solid var(--jc-line);
  background: #fff;
  color: var(--jc-ink);
  font: inherit;
  font-size: 15px;
  text-align: left;
  cursor: pointer;
}

.nihss__list .nihss__opt:last-child { border-bottom: 0; }

.nihss__opt b {
  flex: 0 0 auto;
  font-size: 14px;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
  color: var(--jc-muted);
}

.nihss__opt:hover { background: var(--jc-soft); }

.nihss__opt.is-on {
  background: #fdecea;
  box-shadow: inset 3px 0 0 var(--jc-red);
}

.nihss__opt.is-on b { color: var(--jc-red); }

.nihss__bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 5;
  background: #fff;
  border-top: 1px solid var(--jc-line);
  box-shadow: 0 -8px 24px rgba(16, 24, 40, 0.06);
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
}

.nihss__bar-in {
  width: min(760px, 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.nihss__score {
  margin: 0;
  font-size: 16px;
  font-weight: 750;
  color: var(--jc-muted);
}

.nihss__score b {
  color: var(--jc-ink);
  font-variant-numeric: tabular-nums;
}

.nihss__reset {
  margin-left: 8px;
  color: var(--jc-muted);
  font-size: 13px;
  font-weight: 650;
}

.nihss__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nihss__mode {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.nihss__send {
  height: 42px;
  padding: 0 16px;
  border-radius: 10px;
  border: 1px solid var(--jc-red);
  background: var(--jc-red);
  color: #fff;
  font: inherit;
  font-size: 14px;
  font-weight: 750;
  cursor: pointer;
}

.nihss__send:hover { background: #b31f24; }

@media (min-width: 900px) {
  .nihss { width: min(880px, calc(100% - 48px)); padding-top: 36px; }
  .nihss__item { padding: 18px 22px 12px; }
  .nihss__opt { font-size: 16px; padding: 14px 16px; }
}