:root {
  --bg: #f6f4ef;
  --card: #ffffff;
  --ink: #20242c;
  --muted: #6b7280;
  --accent: #0f766e;
  --accent-soft: #ccfbf1;
  --accent-dark: #115e59;
  --border: #e5e1d8;
  --gold: #f59e0b;
  --radius: 14px;
  --shadow: 0 2px 10px rgba(32, 36, 44, 0.07);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}

/* Header / footer */

.site-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  flex-wrap: wrap;
}

.brand { font-weight: 700; font-size: 1.05rem; white-space: nowrap; }
.brand .tag {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--accent-soft);
  color: var(--accent-dark);
  border-radius: 999px;
  padding: 2px 8px;
  vertical-align: middle;
}

.progress {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  font-size: 0.8rem;
  color: var(--muted);
}
.progress-step { white-space: nowrap; padding: 2px 6px; border-radius: 6px; }
.progress-step.done { color: var(--accent-dark); }
.progress-step.current {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}
.progress-sep { color: var(--border); }

.site-footer {
  text-align: center;
  font-size: 0.78rem;
  color: var(--muted);
  padding: 28px 16px 40px;
}

/* Layout */

main {
  max-width: 680px;
  margin: 32px auto;
  padding: 0 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
}

.hero { text-align: center; }
.hero h1 { margin-top: 0; font-size: 1.7rem; }

h2 { margin-top: 0; font-size: 1.35rem; }
.subtitle { color: var(--muted); margin-top: -6px; }
.fine-print { color: var(--muted); font-size: 0.8rem; }

.model-steps {
  text-align: left;
  max-width: 420px;
  margin: 20px auto;
  padding-left: 22px;
}
.model-steps li { margin: 8px 0; }

/* Buttons */

.primary-btn, .secondary-btn, .ghost-btn {
  font: inherit;
  border-radius: 10px;
  padding: 10px 22px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: filter 0.15s ease;
}
.primary-btn { background: var(--accent); color: #fff; font-weight: 600; }
.secondary-btn { background: var(--accent-soft); color: var(--accent-dark); font-weight: 600; }
.ghost-btn { background: transparent; color: var(--muted); border-color: var(--border); }
.primary-btn:hover, .secondary-btn:hover { filter: brightness(1.08); }
.ghost-btn:hover { color: var(--ink); }

.actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.hint { color: #b45309; font-size: 0.85rem; }

/* Forms */

.option-list { display: flex; flex-direction: column; gap: 8px; margin: 14px 0 22px; }

.check-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.check-row:hover { border-color: var(--accent); }
.check-row:has(input:checked) { border-color: var(--accent); background: #f0fdfa; }
.check-row input { margin-top: 4px; accent-color: var(--accent); }
.check-row small { color: var(--muted); }

fieldset.question {
  border: none;
  padding: 0;
  margin: 0 0 8px;
}
fieldset.question legend {
  font-weight: 600;
  padding: 0;
  margin-bottom: 4px;
}

.help-btn {
  font: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
  cursor: pointer;
  margin-left: 6px;
  vertical-align: text-bottom;
}
.help-btn:hover { background: var(--accent-soft); }

.help-panel {
  background: var(--accent-soft);
  color: var(--accent-dark);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.88rem;
  margin: 6px 0 10px;
}

textarea {
  width: 100%;
  font: inherit;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  margin-top: 14px;
  resize: vertical;
}
textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }

/* Ranking */

.rank-list { list-style: none; padding: 0; margin: 18px 0 0; }
.rank-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 8px;
  background: var(--card);
}
.rank-num {
  font-weight: 700;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.rank-label { flex: 1; }
.rank-controls { display: flex; gap: 4px; }
.move-btn {
  font-size: 0.8rem;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  cursor: pointer;
}
.move-btn:hover:not(:disabled) { background: var(--accent-soft); border-color: var(--accent); }
.move-btn:disabled { opacity: 0.3; cursor: default; }

/* Results */

.result-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 16px 0;
}
.result-head { display: flex; align-items: center; gap: 12px; }
.result-head h3 { margin: 0; flex: 1; }
.result-head .zip { color: var(--muted); font-weight: 400; font-size: 0.8rem; }
.result-rank {
  font-weight: 800;
  color: var(--accent);
  font-size: 1.05rem;
}
.score-badge {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  border-radius: 10px;
  padding: 6px 12px;
  font-size: 1.05rem;
}
.score-badge small { font-weight: 400; opacity: 0.8; }

.bars { margin: 14px 0 4px; display: grid; gap: 6px; }
.bar-row { display: grid; grid-template-columns: 130px 1fr; align-items: center; gap: 10px; font-size: 0.82rem; }
.bar-label { color: var(--muted); }
.bar-track {
  background: var(--bg);
  border-radius: 999px;
  height: 8px;
  overflow: hidden;
}
.bar-fill {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
}

.reasoning { margin: 12px 0 4px; }
.ai-note { font-size: 0.72rem; color: var(--muted); font-style: italic; margin: 0; }

.removed { margin-top: 18px; font-size: 0.88rem; color: var(--muted); }
.removed summary { cursor: pointer; }
.removed ul { margin: 8px 0 0; }

/* Feedback / stars */

.pulse { text-align: center; }
.stars { display: flex; justify-content: center; gap: 6px; margin: 14px 0 4px; }
.star {
  font-size: 1.9rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--border);
  transition: color 0.1s ease, transform 0.1s ease;
  padding: 2px;
}
.star:hover { transform: scale(1.15); }
.star.on { color: var(--gold); }

@media (max-width: 560px) {
  .card { padding: 22px 18px; }
  .bar-row { grid-template-columns: 100px 1fr; }
  .site-header { gap: 8px; }
}