:root {
  --bg: #f4f8fb;
  --surface: #ffffff;
  --line: #dbe5ec;
  --text: #0f172a;
  --muted: #597083;
  --primary: #0f766e;
  --primary-deep: #115e59;
  --danger: #c2410c;
  --shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at 10% -20%, #e0f2f1 0, #f4f8fb 45%);
  color: var(--text);
}

.app-shell {
  max-width: 480px;
  margin: 0 auto;
  padding: 14px 14px calc(100px + env(safe-area-inset-bottom));
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.topbar-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.topbar h1 {
  margin: 0;
  font-size: 1.2rem;
  letter-spacing: 0.01em;
}

.ghost-btn,
.mini-btn,
.secondary-btn,
.primary-btn {
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 0.88rem;
  padding: 10px 12px;
  background: #fff;
  color: var(--muted);
}

.ghost-btn {
  padding: 8px 10px;
}

.mini-btn {
  padding: 7px 10px;
}

.secondary-btn {
  color: var(--text);
  background: #f7fbfd;
}

.primary-btn {
  color: #fff;
  background: linear-gradient(180deg, var(--primary), var(--primary-deep));
  border-color: transparent;
}

.view {
  display: none;
}

.view.is-active {
  display: block;
}

.card {
  background: var(--surface);
  border: 1px solid #edf2f7;
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
  margin-bottom: 14px;
}

.welcome-card h2,
.card h2,
.card h3 {
  margin: 0 0 10px;
}

.card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.stat {
  background: #f7fcfb;
  border: 1px solid #d6eeeb;
  border-radius: 12px;
  padding: 10px;
}

.stat-label {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 4px;
}

.stat strong {
  font-size: 1.15rem;
}

.case-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.case-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: #fcfeff;
}

.case-item p {
  margin: 2px 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.status-badge {
  display: inline-block;
  font-size: 0.74rem;
  border-radius: 999px;
  padding: 2px 8px;
  margin-bottom: 6px;
}

.status-badge.in-progress {
  background: #ecfeff;
  color: #155e75;
}

.status-badge.completed {
  background: #ecfdf5;
  color: #166534;
}

.stepper {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin: 8px 0 14px;
}

.step {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 6px 4px;
  text-align: center;
  font-size: 0.72rem;
  color: var(--muted);
}

.step span {
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  margin-bottom: 4px;
  border: 1px solid var(--line);
}

.step.is-active {
  border-color: #99dfd7;
  background: #f0fdfa;
  color: var(--primary-deep);
}

.step.is-active span {
  border-color: transparent;
  background: var(--primary);
  color: #fff;
}

.form-step {
  display: none;
}

.form-step.is-active {
  display: block;
}

.field-label {
  display: block;
  margin: 0 0 6px;
  font-size: 0.84rem;
  color: #455a6b;
}

.field {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  font-size: 0.95rem;
  margin-bottom: 12px;
  background: #fff;
}

.field:focus {
  outline: none;
  border-color: #53b8ad;
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
}

.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0 14px;
}

.switch {
  position: relative;
  width: 48px;
  height: 28px;
}

.switch input {
  display: none;
}

.slider {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: #c9d7e2;
  transition: 0.2s;
}

.slider::before {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  top: 3px;
  left: 3px;
  border-radius: 50%;
  background: #fff;
  transition: 0.2s;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.switch input:checked + .slider {
  background: #2ba99b;
}

.switch input:checked + .slider::before {
  transform: translateX(20px);
}

.card-inline {
  border: 1px dashed #c5d7e3;
  border-radius: 12px;
  padding: 12px;
}

.consumable-row {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  margin-top: 10px;
  background: #fff;
}

.consumable-grid {
  display: grid;
  grid-template-columns: 1fr 90px;
  gap: 8px;
}

.scan-wrap {
  display: flex;
  gap: 8px;
  align-items: center;
}

.scan-btn {
  white-space: nowrap;
}

.media-preview {
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 12px;
  color: var(--muted);
  font-size: 0.84rem;
}

.media-chip {
  display: inline-block;
  font-size: 0.78rem;
  border-radius: 999px;
  background: #e7f6f4;
  color: #0f766e;
  padding: 4px 8px;
  margin: 4px 4px 0 0;
}

.form-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 8px;
}

.fab {
  position: fixed;
  left: 50%;
  bottom: calc(16px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: min(430px, calc(100% - 28px));
  border: none;
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(180deg, #0f766e, #0d5f58);
  box-shadow: 0 12px 24px rgba(13, 95, 88, 0.25);
}

.update-toast {
  position: fixed;
  left: 50%;
  bottom: calc(86px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: min(430px, calc(100% - 28px));
  background: #0f172a;
  color: #fff;
  border-radius: 14px;
  padding: 12px;
  z-index: 9999;
  box-shadow: 0 14px 26px rgba(2, 6, 23, 0.35);
}

.update-toast p {
  margin: 0 0 10px;
  font-size: 0.85rem;
  line-height: 1.35;
}

.update-toast .primary-btn {
  width: 100%;
}

.is-hidden {
  display: none;
}

@media (min-width: 768px) {
  .app-shell {
    max-width: 760px;
  }

  .fab {
    width: 420px;
  }
}