.wrs-root {
  --wrs-bg: #fff;
  --wrs-panel: #f8fafc;
  --wrs-panel-strong: #eef2f7;
  --wrs-border: #dbe3ee;
  --wrs-text: #152033;
  --wrs-muted: #617084;
  --wrs-accent: #10b981;
  --wrs-warn: #f59e0b;
  --wrs-danger: #ef4444;
  --wrs-critical: #b91c1c;
  --wrs-blue: #2563eb;

  color: var(--wrs-text);
}

.theme-dark .wrs-root {
  --wrs-bg: #101623;
  --wrs-panel: #151d2c;
  --wrs-panel-strong: #1d2738;
  --wrs-border: #2c394d;
  --wrs-text: #eef5ff;
  --wrs-muted: #a2afc2;
  --wrs-accent: #34d399;
  --wrs-warn: #fbbf24;
  --wrs-danger: #fb7185;
  --wrs-critical: #f43f5e;
  --wrs-blue: #60a5fa;
}

.wrs-tool {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: 1rem;
  width: 100%;
  padding: 1rem;
  background: var(--wrs-bg);
  border: 1px solid var(--wrs-border);
  border-radius: 0.5rem;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.wrs-inputs,
.wrs-output,
.wrs-diagnosis,
.wrs-warning,
.wrs-education,
.wrs-settings,
.wrs-stat,
.wrs-gauge {
  border: 1px solid var(--wrs-border);
  border-radius: 0.5rem;
  background: var(--wrs-panel);
}

.wrs-inputs,
.wrs-output {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 0.85rem;
}

.wrs-units {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
  padding: 0.25rem;
  background: var(--wrs-panel-strong);
  border-radius: 0.5rem;
}

.wrs-unit,
.wrs-settings button {
  min-height: 2.35rem;
  border: 0;
  border-radius: 0.4rem;
  color: var(--wrs-text);
  background: transparent;
  font-weight: 800;
  cursor: pointer;
}

.wrs-unit.is-active,
.wrs-settings button {
  color: #fff;
  background: var(--wrs-blue);
}

.wrs-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.wrs-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
}

.wrs-field span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  color: var(--wrs-muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.wrs-field input,
.wrs-field select {
  width: 100%;
  min-height: 2.85rem;
  padding: 0.65rem 0.75rem;
  color: var(--wrs-text);
  background: var(--wrs-bg);
  border: 1px solid var(--wrs-border);
  border-radius: 0.45rem;
  font-size: 1rem;
  font-weight: 750;
}

.wrs-field input:focus,
.wrs-field select:focus {
  outline: 2px solid color-mix(in srgb, var(--wrs-blue), transparent 68%);
  border-color: var(--wrs-blue);
}

.wrs-field input.has-warning {
  border-color: var(--wrs-warn);
  background: color-mix(in srgb, var(--wrs-warn), var(--wrs-bg) 88%);
}

.wrs-field-warning {
  display: block;
  padding: 0.55rem 0.65rem;
  color: color-mix(in srgb, var(--wrs-warn), var(--wrs-text) 35%);
  background: color-mix(in srgb, var(--wrs-warn), transparent 88%);
  border: 1px solid color-mix(in srgb, var(--wrs-warn), transparent 55%);
  border-radius: 0.45rem;
  font-size: 0.78rem;
  font-style: normal;
  font-weight: 800;
  line-height: 1.35;
}

.wrs-field-warning.is-hidden {
  display: none;
}

.wrs-help {
  width: 1.25rem;
  height: 1.25rem;
  border: 1px solid var(--wrs-border);
  border-radius: 999px;
  color: var(--wrs-muted);
  background: var(--wrs-panel-strong);
  font-size: 0.75rem;
  font-weight: 900;
  cursor: help;
}

.wrs-switch {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: center;
  padding: 0.75rem;
  background: var(--wrs-panel-strong);
  border-radius: 0.5rem;
  cursor: pointer;
}

.wrs-switch input {
  position: absolute;
  opacity: 0;
}

.wrs-slider {
  width: 3rem;
  height: 1.6rem;
  padding: 0.18rem;
  border-radius: 999px;
  background: var(--wrs-border);
}

.wrs-slider::before {
  content: "";
  display: block;
  width: 1.24rem;
  height: 1.24rem;
  border-radius: 999px;
  background: var(--wrs-bg);
  transition: transform 0.2s ease;
}

.wrs-switch input:checked + .wrs-slider {
  background: var(--wrs-accent);
}

.wrs-switch input:checked + .wrs-slider::before {
  transform: translateX(1.35rem);
}

.wrs-switch strong,
.wrs-switch em {
  display: block;
}

.wrs-switch em,
.wrs-notice,
.wrs-education p,
.wrs-diagnosis p,
.wrs-adhesion-ladder li,
.wrs-settings li,
.wrs-warning li {
  color: var(--wrs-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.wrs-notice {
  margin: 0;
  padding: 0.7rem;
  border-left: 4px solid var(--wrs-warn);
  background: color-mix(in srgb, var(--wrs-warn), transparent 88%);
  border-radius: 0.45rem;
}

.wrs-gauge,
.wrs-diagnosis,
.wrs-warning,
.wrs-education,
.wrs-settings {
  padding: 0.85rem;
}

.wrs-risk-row,
.wrs-settings-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.wrs-risk-row span,
.wrs-stat span,
.wrs-diagnosis span,
.wrs-warning strong,
.wrs-education strong,
.wrs-settings strong {
  color: var(--wrs-muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.wrs-risk-row strong {
  font-size: clamp(2rem, 7vw, 4.5rem);
  line-height: 0.95;
}

.wrs-track {
  height: 1rem;
  overflow: hidden;
  background: linear-gradient(90deg, #22c55e, #f59e0b, #ef4444, #991b1b);
  border-radius: 999px;
}

.wrs-track span {
  display: block;
  width: 0;
  height: 100%;
  background: rgba(255, 255, 255, 0.54);
  border-right: 4px solid var(--wrs-text);
  transition: width 0.18s ease;
}

.theme-dark .wrs-track span {
  background: rgba(15, 23, 42, 0.42);
  border-color: #fff;
}

.wrs-meter-labels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.25rem;
  margin-top: 0.45rem;
  color: var(--wrs-muted);
  font-size: 0.72rem;
  font-weight: 800;
}

.wrs-meter-labels span:nth-child(n + 2) {
  text-align: center;
}

.wrs-meter-labels span:last-child {
  text-align: right;
}

.wrs-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
}

.wrs-stat {
  padding: 0.75rem;
}

.wrs-stat strong {
  display: block;
  margin-top: 0.25rem;
  font-size: 1.35rem;
}

.wrs-warning {
  background: color-mix(in srgb, var(--wrs-danger), transparent 88%);
  border-color: color-mix(in srgb, var(--wrs-danger), transparent 55%);
}

.wrs-warning strong {
  color: var(--wrs-critical);
}

.wrs-adhesion-ladder {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--wrs-border);
}

.wrs-adhesion-ladder strong {
  display: block;
  margin-bottom: 0.55rem;
}

.wrs-adhesion-ladder ol {
  display: grid;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: adhesion;
}

.wrs-adhesion-ladder li {
  position: relative;
  padding: 0.55rem 0.65rem 0.55rem 2.35rem;
  background: var(--wrs-bg);
  border: 1px solid var(--wrs-border);
  border-radius: 0.45rem;
}

.wrs-adhesion-ladder li::before {
  counter-increment: adhesion;
  content: counter(adhesion);
  position: absolute;
  left: 0.6rem;
  top: 0.55rem;
  display: grid;
  place-items: center;
  width: 1.25rem;
  height: 1.25rem;
  color: #fff;
  background: var(--wrs-blue);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 900;
}

.wrs-warning.is-hidden {
  display: none;
}

.wrs-settings ul,
.wrs-adhesion-ladder ol,
.wrs-warning ul {
  margin: 0.7rem 0 0;
}

.wrs-settings li + li,
.wrs-adhesion-ladder li + li,
.wrs-warning li + li {
  margin-top: 0.45rem;
}

.wrs-settings ul,
.wrs-warning ul {
  padding-left: 1.1rem;
}

@media (max-width: 820px) {
  .wrs-tool,
  .wrs-pair,
  .wrs-stat-grid {
    grid-template-columns: 1fr;
  }
}