.step-strip {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 20px;
  padding: 14px 18px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.step-item {
  display: flex;
  align-items: center;
  min-width: 0;
}

.step-node {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  color: var(--subtle);
  background: #ffffff;
  font-weight: 800;
}

.step-node.active {
  background: var(--blue);
  color: #ffffff;
  border-color: var(--blue);
}

.step-node.done {
  background: var(--teal);
  color: #ffffff;
  border-color: var(--teal);
}

.step-label {
  margin: 0 10px;
  white-space: nowrap;
  color: var(--muted);
  font-weight: 760;
}

.step-label.active {
  color: var(--ink);
}

.step-line {
  width: 28px;
  height: 1px;
  background: var(--line);
}

.step-line.done {
  background: var(--teal);
}

.state-visual {
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fbfbf8;
  min-height: 300px;
  display: grid;
  place-items: center;
  padding: 22px;
}

.device-visual {
  width: 260px;
  height: 230px;
  position: relative;
}

.bp-device {
  position: absolute;
  left: 52px;
  top: 30px;
  width: 160px;
  height: 150px;
  border-radius: 8px;
  background: #e9eef2;
  border: 2px solid #afbdca;
}

.bp-device::before {
  content: "";
  position: absolute;
  left: 38px;
  top: 58px;
  width: 84px;
  height: 50px;
  border-radius: 28px;
  background: #1f3044;
}

.bp-screen {
  position: absolute;
  left: 42px;
  top: 18px;
  width: 78px;
  height: 28px;
  border-radius: 6px;
  background: #112338;
}

.forearm {
  position: absolute;
  left: 8px;
  top: 112px;
  width: 138px;
  height: 34px;
  border-radius: 20px;
  background: #e5bd96;
  transform: rotate(2deg);
}

.table-line {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 42px;
  height: 10px;
  border-radius: 8px;
  background: #d7d0c2;
}

.wave-box {
  height: 150px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8faf9;
  padding: 20px;
  display: flex;
  align-items: end;
  gap: 8px;
}

.bar {
  flex: 1;
  min-width: 12px;
  border-radius: 4px 4px 0 0;
  background: var(--blue);
  opacity: 0.78;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.value-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfbf8;
  padding: 18px;
  text-align: center;
}

.value-label {
  color: var(--muted);
  font-weight: 760;
}

.value-number {
  display: block;
  font-size: 54px;
  line-height: 1.05;
  margin: 8px 0 2px;
  font-weight: 850;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
}

.value-unit {
  color: var(--subtle);
  font-weight: 700;
}

.result-score {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.score-card {
  text-align: center;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fbfbf8;
  padding: 18px 10px;
}

.score-card strong {
  display: block;
  font-size: 56px;
  line-height: 1;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
}

.score-card span {
  display: block;
  color: var(--muted);
  margin-top: 7px;
}

.level-badge {
  border-radius: 8px;
  border: 1px solid var(--line);
  padding: 12px 16px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 820;
}

.reference-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.reference-pill {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--muted);
  background: #fbfbf8;
  font-size: 13px;
  font-weight: 720;
}

.reference-pill.active {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-soft);
}

.ai-card {
  border: 1px solid #d9cfbe;
  background: #fbf7ee;
}

.report-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  align-items: center;
}

.mini-qr {
  width: 110px;
  height: 110px;
  border-radius: 8px;
  border: 8px solid #17202a;
  background: #ffffff;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  padding: 8px;
}

.mini-qr span {
  background: #17202a;
  border-radius: 2px;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.choice-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
}

.choice-card.active,
.choice-card:hover {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.prep-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.prep-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfbf8;
  padding: 14px;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
}

.prep-item strong {
  display: block;
  margin-bottom: 4px;
}

.prep-item span {
  color: var(--muted);
  line-height: 1.45;
}

.tcm-shell {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.diagnosis-frame {
  height: 330px;
  border: 2px solid var(--line-strong);
  border-radius: 8px;
  background: #f8faf9;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.diagnosis-target {
  width: 190px;
  height: 230px;
  border-radius: 52% 52% 46% 46%;
  border: 2px solid #aab8b1;
  background: #efe3d2;
  position: relative;
}

.diagnosis-target.tongue {
  width: 170px;
  height: 190px;
  border-radius: 48% 48% 42% 42%;
  background: #d46f74;
}

.scan-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--teal);
  top: var(--scan, 20%);
  box-shadow: 0 0 18px rgba(34, 124, 111, 0.36);
}

.question-list {
  display: grid;
  gap: 14px;
}

.question-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 18px;
}

.option-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.option-chip {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfbf8;
  padding: 10px 12px;
  cursor: pointer;
  font-weight: 720;
}

.option-chip.active {
  border-color: var(--teal);
  background: var(--teal-soft);
  color: var(--teal);
}

.pulse-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.pulse-hand {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: #fbfbf8;
  cursor: pointer;
}

.pulse-hand.active {
  border-color: var(--plum);
  background: var(--plum-soft);
}

.pulse-hand.done {
  border-color: var(--teal);
  background: var(--teal-soft);
}

.report-summary {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 18px;
}

.syndrome-ring {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 18px solid var(--plum);
  display: grid;
  place-items: center;
  text-align: center;
  font-weight: 840;
  color: var(--plum);
}

.toast {
  position: fixed;
  left: 50%;
  top: 24px;
  transform: translateX(-50%);
  background: #17202a;
  color: #ffffff;
  padding: 12px 18px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  z-index: 20;
}

.hidden {
  display: none;
}

.muted {
  color: var(--muted);
}

.text-right {
  text-align: right;
}

.mt-auto {
  margin-top: auto;
}

@media (max-width: 860px) {
  #app {
    padding: 0;
  }

  .pad-shell {
    box-shadow: none;
  }
}