:root {
  --rw-navy: hsl(217 56% 18%);
  --rw-orange: hsl(20 86% 53%);
  --rw-dark-teal: hsl(186 51% 27%);
  --rw-light-teal: hsl(180 33% 75%);
  --rw-charcoal: hsl(220 12% 22%);
  --rw-grey-mid: hsl(220 8% 45%);
  --rw-grey-xlight: hsl(220 14% 92%);
  --rw-bg-soft: hsl(220 20% 97%);
  --rw-white: #ffffff;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Roboto', system-ui, -apple-system, sans-serif;
  color: var(--rw-charcoal);
  background: var(--rw-bg-soft);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--rw-dark-teal); }

.site-header {
  background: var(--rw-navy);
  color: var(--rw-white);
  padding: 1.25rem 1.5rem 2.5rem;
}
.back-link { color: var(--rw-light-teal); text-decoration: none; font-size: 0.875rem; }
.back-link:hover { text-decoration: underline; }
.site-header h1 {
  font-weight: 700;
  font-size: clamp(1.75rem, 3vw + 1rem, 2.5rem);
  margin: 1rem 0 0.5rem;
  max-width: 50rem;
}
.site-header .lede {
  color: var(--rw-light-teal);
  max-width: 44rem;
  margin: 0;
  font-size: 1.05rem;
  font-weight: 300;
}

/* Stepper */
.stepper {
  max-width: 50rem;
  margin: -1.25rem auto 0;
  padding: 0 1.5rem;
}
.stepper ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.7rem 0.9rem;
  margin: 0;
  background: var(--rw-white);
  border-radius: 10px;
  box-shadow: 0 1px 3px rgba(15,25,50,0.06);
  font-size: 0.78rem;
  color: var(--rw-grey-mid);
}
.stepper li {
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  white-space: nowrap;
}
.stepper li.is-current { background: var(--rw-orange); color: var(--rw-white); font-weight: 600; }
.stepper li.is-done    { color: var(--rw-dark-teal); }

main {
  max-width: 50rem;
  margin: 1.25rem auto 3rem;
  padding: 0 1.5rem;
}

.step {
  background: var(--rw-white);
  border-radius: 12px;
  padding: 1.75rem 1.75rem 2rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 1px 3px rgba(15,25,50,0.06), 0 6px 24px rgba(15,25,50,0.04);
}
.step h2 {
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--rw-navy);
  margin: 0 0 0.4rem;
  display: flex; align-items: center; gap: 0.65rem;
}
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.85rem; height: 1.85rem;
  border-radius: 50%;
  background: var(--rw-orange); color: var(--rw-white);
  font-size: 0.95rem; font-weight: 700;
}
.step-intro { color: var(--rw-grey-mid); margin: 0 0 1.25rem; font-size: 0.95rem; }

label { display: block; font-weight: 500; font-size: 0.9rem; margin: 0.9rem 0 0.4rem; color: var(--rw-navy); }
.field-hint { color: var(--rw-grey-mid); font-size: 0.85rem; margin: -0.2rem 0 0.5rem; }
input[type="text"], textarea, select {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--rw-grey-xlight);
  border-radius: 8px;
  font: inherit; color: var(--rw-charcoal);
  background: var(--rw-white);
  transition: border-color 0.15s, box-shadow 0.15s;
}
input[type="text"]:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--rw-orange);
  box-shadow: 0 0 0 3px hsl(20 86% 53% / 0.2);
}
textarea { min-height: 4.5rem; resize: vertical; }

fieldset { border: none; padding: 0; margin: 1.2rem 0 0; }
fieldset legend {
  font-weight: 500; font-size: 0.95rem; color: var(--rw-navy); padding: 0; margin-bottom: 0.4rem;
}
fieldset .meta { font-weight: 400; color: var(--rw-grey-mid); font-size: 0.85rem; }

.radio-group { display: flex; flex-direction: column; gap: 0.4rem; margin-top: 0.5rem; }
.radio {
  display: flex; align-items: center; gap: 0.55rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--rw-grey-xlight); border-radius: 8px;
  cursor: pointer; font-size: 0.95rem; font-weight: 400; margin: 0; color: var(--rw-charcoal);
}
.radio:hover { border-color: var(--rw-light-teal); }
.radio input { accent-color: var(--rw-orange); }

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 0.5rem;
  margin-top: 0.6rem;
}
.checkbox-grid label {
  display: flex; align-items: flex-start; gap: 0.55rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--rw-grey-xlight); border-radius: 8px;
  cursor: pointer; font-size: 0.9rem; font-weight: 400; margin: 0; color: var(--rw-charcoal);
  line-height: 1.35;
}
.checkbox-grid label:hover { border-color: var(--rw-light-teal); }
.checkbox-grid label.is-checked { border-color: var(--rw-orange); background: hsl(20 86% 53% / 0.06); }
.checkbox-grid input { accent-color: var(--rw-orange); margin-top: 0.15rem; }

.btn {
  display: inline-block;
  font: inherit; font-weight: 500;
  padding: 0.7rem 1.25rem;
  border-radius: 8px; border: 1px solid transparent;
  cursor: pointer; transition: background 0.15s, transform 0.05s;
  text-decoration: none;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-primary { background: var(--rw-orange); color: var(--rw-white); }
.btn-primary:hover:not(:disabled) { background: hsl(20 86% 47%); }
.btn-secondary { background: var(--rw-white); color: var(--rw-navy); border-color: var(--rw-grey-xlight); }
.btn-secondary:hover:not(:disabled) { background: var(--rw-bg-soft); }
.btn-link { background: transparent; color: var(--rw-dark-teal); padding: 0.7rem 0.5rem; }
.btn-link:hover { text-decoration: underline; }

.step-actions { margin-top: 1.5rem; display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }

/* Skeleton */
.skeleton-block {
  height: 1.2rem;
  background: linear-gradient(90deg, var(--rw-bg-soft) 25%, var(--rw-grey-xlight) 50%, var(--rw-bg-soft) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px; margin-bottom: 0.75rem;
}
.skeleton-block.short { width: 60%; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.research-status { color: var(--rw-grey-mid); font-size: 0.9rem; font-style: italic; margin-top: 0.5rem; }

/* Findings */
.finding-card {
  border: 1px solid var(--rw-grey-xlight);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  margin-bottom: 0.6rem;
  background: var(--rw-white);
}
.finding-header {
  display: flex; justify-content: space-between; align-items: center; gap: 0.75rem;
  margin-bottom: 0.4rem;
}
.finding-label {
  font-weight: 600; color: var(--rw-navy);
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em;
}
.confidence-badge {
  font-size: 0.66rem; padding: 2px 8px; border-radius: 10px;
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; white-space: nowrap;
}
.confidence-high   { background: hsl(140 50% 88%); color: hsl(140 60% 22%); }
.confidence-medium { background: hsl(45 90% 88%);  color: hsl(35 80% 28%); }
.confidence-low    { background: hsl(0 70% 92%);   color: hsl(0 60% 32%); }
.confidence-none   { background: var(--rw-grey-xlight); color: var(--rw-grey-mid); }

.finding-value { color: var(--rw-charcoal); font-size: 0.95rem; word-break: break-word; }
.finding-value.empty { color: var(--rw-grey-mid); font-style: italic; }
.finding-value a { color: var(--rw-dark-teal); word-break: break-all; }
.finding-value ul { margin: 0; padding-left: 1.1rem; }

.findings-group { margin: 1.5rem 0 0.5rem; }
.findings-group:first-child { margin-top: 0; }
.findings-group h3 {
  font-size: 0.95rem; color: var(--rw-dark-teal);
  margin: 0 0 0.6rem;
  text-transform: uppercase; letter-spacing: 0.06em; font-weight: 700;
}

.edit-toggle {
  background: none; border: none; color: var(--rw-dark-teal);
  font: inherit; font-size: 0.8rem; cursor: pointer; padding: 0; text-decoration: underline;
}
.edit-toggle:hover { color: var(--rw-orange); }

.placeholder-note {
  margin-top: 1.5rem;
  padding: 0.85rem 1rem;
  background: var(--rw-bg-soft);
  border-left: 3px solid var(--rw-orange);
  border-radius: 4px;
  color: var(--rw-grey-mid); font-size: 0.88rem;
}

.error-text { color: hsl(0 60% 32%); margin: 0 0 0.5rem; }

/* Review */
.review-block {
  border: 1px solid var(--rw-grey-xlight);
  border-radius: 8px;
  padding: 0.9rem 1rem 0.6rem;
  margin-bottom: 0.7rem;
}
.review-block h4 {
  margin: 0 0 0.4rem;
  font-size: 0.78rem; color: var(--rw-dark-teal);
  text-transform: uppercase; letter-spacing: 0.04em; font-weight: 700;
}
.review-block dl { margin: 0; display: grid; grid-template-columns: 11rem 1fr; gap: 0.25rem 1rem; }
.review-block dt { font-size: 0.85rem; color: var(--rw-grey-mid); font-weight: 500; }
.review-block dd { margin: 0; font-size: 0.92rem; color: var(--rw-charcoal); word-break: break-word; }
.review-block dd.empty { color: var(--rw-grey-mid); font-style: italic; }
.review-edit { margin-top: 0.5rem; }

.site-footer { text-align: center; padding: 2rem 1rem; color: var(--rw-grey-mid); font-size: 0.85rem; }

@media (max-width: 540px) {
  .step { padding: 1.25rem; }
  .review-block dl { grid-template-columns: 1fr; }
  .review-block dt { margin-top: 0.4rem; }
}