:root {
  --font-scale: 1;
  --ink: #17324d;
  --muted: #5f7285;
  --line: #dbe6ee;
  --paper: #ffffff;
  --surface: #f3f8fb;
  --primary: #075985;
  --primary-dark: #064663;
  --accent: #0f766e;
  --normal: #15803d;
  --normal-soft: #ecfdf3;
  --alert: #a16207;
  --alert-soft: #fffbeb;
  --danger: #c2410c;
  --danger-soft: #fff7ed;
  --emergency: #b91c1c;
  --emergency-soft: #fef2f2;
  --shadow: 0 18px 50px rgba(23, 50, 77, .12);
}

* { box-sizing: border-box; }

html {
  font-size: calc(16px * var(--font-scale));
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 280px;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 4%, rgba(14, 165, 233, .16), transparent 28rem),
    linear-gradient(180deg, #eaf6fb 0, var(--surface) 22rem);
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.55;
}

button, input { font: inherit; }
button { touch-action: manipulation; }

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 980px;
  margin: 0 auto;
  padding: 1.25rem 1rem .6rem;
}

.brand { display: flex; align-items: center; gap: 1rem; min-width: 0; }
.logo {
  width: 76px;
  height: 76px;
  flex: 0 0 auto;
  object-fit: cover;
  border: 4px solid rgba(255,255,255,.9);
  border-radius: 22px;
  box-shadow: 0 8px 24px rgba(7, 89, 133, .17);
}

h1, h2, p { margin-top: 0; }
h1 { margin-bottom: .1rem; font-size: clamp(1.65rem, 4vw, 2.25rem); line-height: 1.05; }
h2 { margin-bottom: 0; font-size: clamp(1.15rem, 3vw, 1.45rem); line-height: 1.25; }
.eyebrow, .step {
  margin-bottom: .22rem;
  color: var(--accent);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.subtitle { margin: 0; color: var(--muted); font-size: .94rem; }

.text-controls { display: flex; gap: .35rem; }
.icon-button {
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: .45rem;
  color: var(--primary);
  background: rgba(255,255,255,.88);
  border: 1px solid var(--line);
  border-radius: .75rem;
  font-weight: 800;
  cursor: pointer;
}
.icon-button:hover, .icon-button:focus-visible { background: #fff; border-color: var(--primary); }

.page-shell { max-width: 980px; margin: 0 auto; padding: .8rem 1rem 2rem; }
.card {
  margin-bottom: 1rem;
  padding: clamp(1rem, 3vw, 1.55rem);
  background: rgba(255,255,255,.96);
  border: 1px solid rgba(219,230,238,.95);
  border-radius: 1.25rem;
  box-shadow: var(--shadow);
}
.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.status-pill {
  flex: 0 0 auto;
  padding: .32rem .65rem;
  color: var(--primary);
  background: #e0f2fe;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 800;
}

.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.field { display: flex; flex-direction: column; gap: .4rem; font-weight: 750; }
.input-wrap { position: relative; display: block; }
.input-wrap input {
  width: 100%;
  min-height: 3.25rem;
  padding: .75rem 3.7rem .75rem .85rem;
  color: var(--ink);
  background: #fbfdff;
  border: 2px solid var(--line);
  border-radius: .85rem;
  outline: none;
}
.input-wrap input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(7,89,133,.12); }
.input-wrap input[aria-invalid="true"] { border-color: var(--emergency); }
.unit {
  position: absolute;
  top: 50%;
  right: .85rem;
  color: var(--muted);
  font-weight: 800;
  transform: translateY(-50%);
}
.field small { color: var(--muted); font-size: .78rem; font-weight: 500; }
.error { min-height: 1.2em; color: var(--emergency); font-size: .78rem; font-weight: 750; }

.actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: .85rem; }
.actions.compact { margin-top: 1rem; }
.button {
  min-height: 3rem;
  padding: .65rem 1rem;
  border: 1px solid transparent;
  border-radius: .8rem;
  font-weight: 800;
  cursor: pointer;
}
.button.primary { color: white; background: var(--primary); }
.button.primary:hover, .button.primary:focus-visible { background: var(--primary-dark); }
.button.secondary { color: var(--primary); background: #fff; border-color: #b9d1df; }
.button.secondary:hover, .button.secondary:focus-visible { background: #eff8fc; border-color: var(--primary); }

.empty-state { padding: 1.1rem; color: var(--muted); background: var(--surface); border: 1px dashed #aac3d2; border-radius: .9rem; text-align: center; }
.result-card { overflow: hidden; }
.result-card[data-level="normal"] { border-top: 6px solid var(--normal); }
.result-card[data-level="alert"] { border-top: 6px solid var(--alert); }
.result-card[data-level="danger"] { border-top: 6px solid var(--danger); }
.result-card[data-level="emergency"] { border-top: 6px solid var(--emergency); }
.result-main { display: grid; grid-template-columns: auto 1fr; align-items: end; column-gap: 1rem; }
.result-label { grid-column: 1 / -1; color: var(--muted); font-weight: 750; }
#ithValue { font-size: clamp(3rem, 11vw, 5.2rem); line-height: 1; letter-spacing: -.05em; }
.level-badge { justify-self: start; margin-bottom: .3rem; padding: .4rem .75rem; border-radius: 999px; font-weight: 900; text-transform: uppercase; }
[data-level="normal"] .level-badge { color: var(--normal); background: var(--normal-soft); }
[data-level="alert"] .level-badge { color: var(--alert); background: var(--alert-soft); }
[data-level="danger"] .level-badge { color: var(--danger); background: var(--danger-soft); }
[data-level="emergency"] .level-badge { color: var(--emergency); background: var(--emergency-soft); }
.recommendation { margin: 1rem 0; padding: .85rem 1rem; background: var(--surface); border-left: 4px solid var(--primary); border-radius: .45rem; }
.result-details { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .7rem; margin: 0; }
.result-details div { padding: .75rem; background: #f8fbfd; border: 1px solid var(--line); border-radius: .7rem; }
.result-details dt { color: var(--muted); font-size: .78rem; font-weight: 700; }
.result-details dd { margin: .1rem 0 0; font-weight: 850; }
.copy-status { min-height: 1.4em; margin: .5rem 0 0; color: var(--accent); font-size: .84rem; }

.risk-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .7rem; }
.risk { display: flex; align-items: center; gap: .7rem; padding: .8rem; border: 1px solid var(--line); border-radius: .85rem; }
.risk > span { display: grid; width: 2rem; height: 2rem; flex: 0 0 auto; place-items: center; color: #fff; border-radius: 50%; font-weight: 900; }
.risk strong, .risk small { display: block; }
.risk small { color: var(--muted); white-space: nowrap; }
.risk.normal > span { background: var(--normal); }
.risk.alert > span { background: var(--alert); }
.risk.danger > span { background: var(--danger); }
.risk.emergency > span { background: var(--emergency); }
.method { margin-top: 1rem; padding: .8rem 1rem; background: #f8fbfd; border-radius: .8rem; }
.method summary { color: var(--primary); font-weight: 800; cursor: pointer; }
.method p { margin: .7rem 0 0; }
.method code { overflow-wrap: anywhere; }

.notice {
  padding: 1rem 1.15rem;
  color: #61470a;
  background: #fffbea;
  border: 1px solid #f1d987;
  border-radius: 1rem;
}
.footer { max-width: 980px; margin: 0 auto; padding: 0 1rem 2rem; color: var(--muted); font-size: .84rem; text-align: center; }
.footer p { margin: .25rem 0; }
.footer a { color: var(--primary); font-weight: 750; }

@media (max-width: 720px) {
  .field-grid, .risk-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .app-header { align-items: flex-start; }
  .logo { width: 62px; height: 62px; border-radius: 18px; }
  .subtitle { display: none; }
  .text-controls { flex-direction: column; }
  .icon-button { min-width: 2.45rem; min-height: 2.25rem; padding: .2rem; font-size: .78rem; }
  .field-grid, .risk-grid, .result-details { grid-template-columns: 1fr; }
  .button { flex: 1 1 9rem; }
}

@media print {
  body { background: #fff; }
  .app-header, .input-card, .text-controls, .actions, .footer { display: none !important; }
  .page-shell { max-width: none; padding: 0; }
  .card, .notice { box-shadow: none; break-inside: avoid; }
  .result-card[hidden] { display: none; }
}
.suite-home-link {
  position: fixed;
  left: max(14px, env(safe-area-inset-left));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 10000;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.66rem 1rem;
  border: 1px solid rgba(41, 216, 255, 0.55);
  border-radius: 999px;
  background: rgba(3, 16, 29, 0.95);
  color: #f5f9fc;
  font: 700 0.84rem/1 Arial, sans-serif;
  text-decoration: none;
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(12px);
  -webkit-tap-highlight-color: transparent;
}

.suite-home-link:hover {
  border-color: #29d8ff;
  color: #73e8ff;
}

.suite-home-link:focus-visible {
  outline: 3px solid #9eea43;
  outline-offset: 3px;
}