/* ============================================================================
   PriorZap shared design system — dark, modern, healthcare-grade.
   Used by index.html, appeal_generator.html, denial_decoder.html.
   (prior_auth_checker.html / roi_calculator.html keep matching inline styles.)
   ============================================================================ */
:root {
  --bg: #0a0e17;
  --surface: #111827;
  --surface2: #1a2332;
  --surface3: #0f1929;
  --border: #1e293b;
  --border-subtle: #1a2535;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --text-muted: #64748b;
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --accent-glow-lg: rgba(59, 130, 246, 0.08);
  --green: #10b981;
  --green-glow: rgba(16, 185, 129, 0.12);
  --yellow: #f59e0b;
  --red: #ef4444;
  --purple: #8b5cf6;
  --orange: #f97316;
  --depth-1: 0 2px 8px rgba(0,0,0,0.3), 0 1px 3px rgba(0,0,0,0.2);
  --depth-2: 0 8px 24px rgba(0,0,0,0.4), 0 2px 8px rgba(0,0,0,0.2);
  --depth-3: 0 16px 48px rgba(0,0,0,0.5), 0 4px 16px rgba(0,0,0,0.25);
  --transition-snappy: cubic-bezier(0.22, 1, 0.36, 1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}
.container { max-width: 960px; margin: 0 auto; padding: 2rem 1.5rem; }
header { text-align: center; margin-bottom: 2rem; }
header h1 { font-size: 2rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 0.5rem; }
header h1 span { color: var(--accent); }
header p { color: var(--text-dim); font-size: 0.95rem; }

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  background: var(--accent-glow);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

/* Trust markers */
.trust-markers {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.trust-marker {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}
.trust-dot {
  width: 5px;
  height: 5px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
}
.trust-sep {
  width: 1px;
  height: 12px;
  background: var(--border);
  margin: 0 0.15rem;
}

label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
input, select, textarea {
  width: 100%;
  padding: 0.6rem 0.85rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
input::placeholder, textarea::placeholder { color: #475569; }
select option { background: var(--surface2); color: var(--text); }

/* Buttons — pill style from vflow2.0 */
button {
  padding: 0.6rem 1.5rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s var(--transition-snappy), box-shadow 0.2s var(--transition-snappy), opacity 0.2s;
  white-space: nowrap;
  letter-spacing: 0.01em;
}
button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.35);
}
button:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--accent);
  color: var(--accent);
}
.btn-outline:hover { background: var(--accent-glow); box-shadow: none; }
.btn-green { background: var(--green); }
.btn-green:hover { box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35); }

/* Tools nav */
.tools-nav { display: flex; justify-content: center; gap: 0.75rem; margin-bottom: 2rem; flex-wrap: wrap; }
.tools-nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  transition: all 0.2s;
  border: 1px solid transparent;
}
.tools-nav a:hover { color: var(--text); background: var(--surface); border-color: var(--border); }
.tools-nav a.active { color: var(--accent); background: var(--accent-glow); border-color: rgba(59,130,246,0.2); }

/* Surfaces */
.search-box, .card, .premium-panel, .lead-capture, .panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.row { display: grid; gap: 0.75rem; margin-bottom: 0.75rem; }
.row-2 { grid-template-columns: 1fr 1fr; }
.row-3 { grid-template-columns: 1fr 1fr 1fr; }

/* Stats row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}
.stat-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.25rem 1rem;
  text-align: center;
  transition: transform 0.3s var(--transition-snappy), border-color 0.2s;
}
.stat-item:hover { transform: translateY(-3px); border-color: rgba(59,130,246,0.3); }
.stat-num {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 0.35rem;
  font-variant-numeric: tabular-nums;
}
.stat-num.red { color: var(--red); }
.stat-num.green { color: var(--green); }
.stat-num.blue { color: var(--accent); }
.stat-label {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.4;
  font-weight: 500;
}

/* Dashboard tool grid */
.tool-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 2rem; }
.tool-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.25s, transform 0.25s var(--transition-snappy), box-shadow 0.25s;
}
.tool-card:hover {
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-4px);
  box-shadow: var(--depth-2);
}
.tool-card .icon-circle {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}
.tool-card .icon-circle.blue { background: rgba(59,130,246,0.12); }
.tool-card .icon-circle.green { background: rgba(16,185,129,0.12); }
.tool-card .icon-circle.purple { background: rgba(139,92,246,0.12); }
.tool-card .icon-circle.yellow { background: rgba(245,158,11,0.12); }
.tool-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.3rem; }
.tool-card p { color: var(--text-dim); font-size: 0.83rem; line-height: 1.5; }
.tool-card .card-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: 0.75rem;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
}
.tool-card:hover .card-arrow { opacity: 1; transform: translateX(3px); }

/* Hero */
.hero { text-align: center; margin-bottom: 2rem; padding-top: 1.5rem; }
.hero h1 {
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
  line-height: 1.1;
}
.hero h1 span { color: var(--accent); }
.hero p.sub {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 620px;
  margin: 0 auto 1.25rem;
  line-height: 1.65;
}
.hero-cta-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.urgency-nudge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--yellow);
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: 100px;
  padding: 4px 12px;
  margin-bottom: 1.25rem;
}

/* Comparison table */
.compare { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.compare th, .compare td { padding: 0.75rem; text-align: left; border-bottom: 1px solid var(--border); }
.compare th { color: var(--text-dim); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; }
.compare td.yes { color: var(--green); font-weight: 600; }
.compare td.no { color: var(--text-muted); }
.compare tr td:first-child { color: var(--text); }
.compare tr:hover td { background: rgba(255,255,255,0.02); }

/* Letter output */
.letter-output {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: 'SF Mono', 'Cascadia Code', Menlo, Consolas, monospace;
  font-size: 0.82rem;
  line-height: 1.7;
  max-height: 520px;
  overflow-y: auto;
  color: var(--text);
}
.method-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.method-tag.ai { background: rgba(139,92,246,0.15); color: var(--purple); }
.method-tag.template { background: rgba(245,158,11,0.15); color: var(--yellow); }

/* Result cards (decoder) */
.result-card { border-left: 3px solid var(--accent); }
.result-card.yes { border-left-color: var(--green); }
.result-card.no { border-left-color: var(--red); }
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 0.5rem; font-size: 0.9rem; margin-bottom: 0.4rem; }
.kv .k { color: var(--text-dim); }

/* Premium panel */
.premium-panel {
  background: linear-gradient(135deg, rgba(139,92,246,0.06), rgba(59,130,246,0.06));
  border: 1px solid rgba(139,92,246,0.2);
}
.premium-header { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.75rem; }
.premium-header h3 { font-size: 1.15rem; font-weight: 700; color: var(--purple); }
.premium-features { list-style: none; margin-bottom: 1.25rem; }
.premium-features li {
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(139,92,246,0.08);
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-dim);
}
.premium-features li:last-child { border-bottom: none; }
.lock-icon { font-size: 0.8rem; }
.cta-row { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.cta-row a { text-decoration: none; }

/* Lead capture */
.lead-capture { text-align: center; }
.lead-capture h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.lead-capture p { color: var(--text-dim); font-size: 0.85rem; margin-bottom: 0.75rem; }
.lead-row { display: flex; gap: 0.5rem; max-width: 500px; margin: 0 auto; }
.lead-row input { flex: 1; border-radius: 100px; }
.lead-success { color: var(--green); font-size: 0.85rem; display: none; margin-top: 0.5rem; }

/* Loading */
.loading { text-align: center; padding: 2rem; display: none; }
.loading.visible { display: block; }
.spinner {
  display: inline-block;
  width: 24px; height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Footer */
footer {
  text-align: center;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.78rem;
}
footer a { color: var(--text-dim); text-decoration: none; }
footer a:hover { color: var(--accent); }

/* Services bento grid */
.services-bento {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem;
  margin-top: 1.25rem;
}
.service-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.1rem 1.1rem 1.1rem 1.1rem;
  transition: border-color 0.25s, transform 0.25s var(--transition-snappy);
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}
.service-card:hover { border-color: rgba(59,130,246,0.3); transform: translateY(-2px); }
.service-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 1px;
}
.service-icon.blue { background: rgba(59,130,246,0.12); }
.service-icon.green { background: rgba(16,185,129,0.12); }
.service-icon.purple { background: rgba(139,92,246,0.12); }
.service-icon.yellow { background: rgba(245,158,11,0.12); }
.service-icon.red { background: rgba(239,68,68,0.12); }
.service-icon.teal { background: rgba(20,184,166,0.12); }
.service-card-body strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--text);
}
.service-card-body p {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin: 0;
}

/* Qualify form */
.qualify-form {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}
.qualify-form h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}
.qualify-form .sub-text {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
  line-height: 1.4;
}
.qualify-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 0.875rem;
}

/* Specialty hero panels */
.specialty-hero {
  background: linear-gradient(135deg, rgba(59,130,246,0.06), rgba(16,185,129,0.06));
  border: 1px solid rgba(59,130,246,0.15);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  margin-bottom: 1.5rem;
}
.specialty-hero h2 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}
.specialty-hero p {
  color: var(--text-dim);
  font-size: 0.95rem;
  max-width: 560px;
  margin: 0 auto 1.25rem;
  line-height: 1.6;
}
.specialty-stat-row {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.specialty-stat {
  text-align: center;
}
.specialty-stat .num {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
}
.specialty-stat .lbl {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* Payer badge */
.payer-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--green-glow);
  color: var(--green);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: 100px;
  padding: 4px 12px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

/* Urgency stat (inline banner) */
.urgency-stat-banner {
  background: rgba(245,158,11,0.06);
  border: 1px solid rgba(245,158,11,0.15);
  border-radius: 10px;
  padding: 0.7rem 1rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  text-align: center;
  line-height: 1.5;
}
.urgency-stat-banner strong { color: var(--yellow); font-weight: 700; }

@media (max-width: 640px) {
  .row-2, .row-3, .tool-grid, .services-bento, .stats-row, .qualify-grid { grid-template-columns: 1fr; }
  .cta-row { flex-direction: column; }
  .kv { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.9rem; }
  .hero-cta-row { flex-direction: column; align-items: center; }
  .trust-markers { gap: 0.35rem; }
  .stat-num { font-size: 1.6rem; }
}