:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --surface-muted: #f4f4f5;
  --border: #e4e4e7;
  --border-strong: #d4d4d8;
  --text: #09090b;
  --muted: #52525b;
  --primary: #18181b;
  --primary-hover: #27272a;
  --accent: #0f766e;
  --accent-bg: #f0fdfa;
  --accent-border: #99f6e4;
  --danger: #b91c1c;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
  --warn: #b45309;
  --warn-bg: #fffbeb;
  --warn-border: #fde68a;
  --info: #1d4ed8;
  --info-bg: #eff6ff;
  --info-border: #bfdbfe;
  --radius: 6px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
}

.topbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  background: var(--primary);
  display: grid;
  place-items: center;
}

.brand-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.status-tag {
  background: var(--accent-bg);
  color: var(--accent);
  border: 1px solid var(--accent-border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-indicator {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--accent);
}

.btn {
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  font-size: 13px;
  border-radius: 6px;
  padding: 8px 13px;
  transition: background-color 0.12s ease, border-color 0.12s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-outline {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-outline:hover {
  background: var(--surface-muted);
}

.btn-danger {
  background: var(--danger);
  color: #ffffff;
}

.btn-danger:hover {
  opacity: 0.92;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

.intro-header {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 22px 24px;
  margin-bottom: 18px;
}

.intro-kicker {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

.intro-header h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 8px;
}

.intro-header p {
  font-size: 14px;
  color: var(--muted);
  max-width: 780px;
}

.api-drawer {
  display: none;
  margin-bottom: 16px;
}

.api-drawer.open {
  display: block;
}

.code-block {
  background: #09090b;
  color: #e4e4e7;
  padding: 12px 14px;
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  overflow-x: auto;
  max-height: 220px;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-bottom: 18px;
}

.tab-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 11px 12px;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  color: var(--muted);
  text-align: left;
  transition: background-color 0.12s ease, border-color 0.12s ease;
}

.tab-btn:hover {
  border-color: var(--border-strong);
}

.tab-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.tab-btn span {
  display: block;
  font-size: 11px;
  font-weight: 400;
  opacity: 0.78;
  margin-top: 2px;
}

.panel {
  display: none;
}

.panel.active {
  display: block;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
}

.card h2, .card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.subtext {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 14px;
}

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.preset-btn {
  background: var(--surface-muted);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text);
}

.preset-btn:hover {
  background: var(--accent-bg);
  border-color: var(--accent);
  color: var(--accent);
}

textarea, input, select {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 9px 11px;
  font-family: inherit;
  font-size: 13.5px;
  background: var(--surface);
  color: var(--text);
  margin-bottom: 11px;
}

textarea:focus, input:focus, select:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
}

.priority-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 12px;
  border-radius: 6px;
  margin-bottom: 12px;
  font-size: 12.5px;
  font-weight: 600;
  background: var(--accent-bg);
  color: var(--accent);
  border: 1px solid var(--accent-border);
}

.result-card {
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 12px 14px;
  margin-bottom: 10px;
  background: var(--bg);
}

.result-card.warn {
  border-color: var(--warn-border);
  border-left-color: var(--warn);
  background: var(--warn-bg);
}

.result-card.danger {
  border-color: var(--danger-border);
  border-left-color: var(--danger);
  background: var(--danger-bg);
}

.result-card.info {
  border-color: var(--info-border);
  border-left-color: var(--info);
  background: var(--info-bg);
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.card-head h4 {
  font-size: 13.5px;
  font-weight: 700;
}

.tag-label {
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(9, 9, 11, 0.07);
}

.result-card p {
  font-size: 13px;
  color: #27272a;
}

.slider-wrap {
  margin-bottom: 12px;
}

.slider-top {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
}

.score-panel {
  text-align: center;
  padding: 16px;
  border-radius: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  margin-bottom: 12px;
}

.score-value {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.breath-box {
  width: 136px;
  height: 136px;
  margin: 16px auto;
  border-radius: 6px;
  border: 2px solid var(--accent);
  background: var(--accent-bg);
  color: var(--accent);
  font-weight: 700;
  font-size: 14px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 10px;
}

.breath-box.active-phase {
  background: var(--accent);
  color: #ffffff;
}

.post-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 13px 14px;
  margin-bottom: 10px;
  background: var(--bg);
}

.post-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11.5px;
  color: var(--muted);
  margin-bottom: 4px;
}

.aid-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.aid-btn {
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  cursor: pointer;
  font-weight: 600;
  font-size: 12.8px;
  text-align: left;
  color: var(--text);
}

.aid-btn.active {
  background: var(--danger-bg);
  border-color: var(--danger);
  color: var(--danger);
}

.med-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 8px;
  background: var(--bg);
  cursor: pointer;
}

.med-item.done {
  opacity: 0.65;
  text-decoration: line-through;
}

.med-check {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--primary);
  border-radius: 3px;
  margin-right: 8px;
  vertical-align: -2px;
  background: var(--surface);
}

.med-item.done .med-check {
  background: var(--accent);
  border-color: var(--accent);
}

.legal-doc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 28px 32px;
}

.legal-doc h1 {
  font-size: 24px;
  margin-bottom: 6px;
}

.legal-doc h2 {
  font-size: 16px;
  margin: 20px 0 8px;
}

.legal-doc p, .legal-doc li {
  font-size: 14px;
  color: #27272a;
  margin-bottom: 8px;
}

.legal-doc ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 20px 24px;
  margin-top: 32px;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 18px;
  align-items: center;
}

.footer-links a {
  text-decoration: none;
  font-weight: 600;
  color: var(--text);
}

.footer-links a:hover {
  text-decoration: underline;
}

@media (max-width: 900px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .tabs {
    grid-template-columns: repeat(2, 1fr);
  }
  .aid-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}