/* Basic styles for a clean multi-step form UI */
:root {
  --primary: #0b6cff;
  --danger: #c0392b;
  --bg: #f7f9fc;
  --text: #1f2937;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  max-width: 960px;
  margin: 40px auto;
  background: #fff;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 12px 24px rgba(0,0,0,0.08);
}

h1 { font-size: 1.6rem; margin: 0 0 8px; }
.subtle { color: #6b7280; margin-bottom: 24px; }

.form-step { display: none; }
.form-step.active { display: block; }

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.col-1 { grid-column: span 1; }
.col-2 { grid-column: span 2; }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }

label { display: block; font-weight: 600; margin-bottom: 6px; }
input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  font-size: 1rem;
}

select {
  cursor: pointer;
  background-color: white;
  position: relative;
  z-index: 1;
}

input:invalid, select:invalid, textarea:invalid { border-color: var(--danger); }

.actions {
  margin-top: 16px;
  display: flex;
  gap: 12px;
}

button {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
}
button.secondary {
  background: #e5e7eb;
  color: #111827;
}
button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.error {
  color: var(--danger);
  margin: 8px 0 0;
  font-size: .95rem;
}

.alert {
  padding: 12px 16px;
  border-radius: 10px;
  background: #eef2ff;
  border: 1px solid #c7d2fe;
  color: #1e40af;
  margin-bottom: 16px;
}
.alert.error { background: #fee2e2; border-color: #fecaca; color: #991b1b; }

/* Checkbox styling */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
}

.checkbox-item input[type="checkbox"] {
  width: auto;
  margin: 0;
  transform: scale(1.2);
}

.checkbox-item label {
  margin: 0;
  font-weight: 500;
  cursor: pointer;
}

/* CPT codes grid styling */
.cpt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  margin-top: 8px;
}

.cpt-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  background: #f9fafb;
}

.cpt-item input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.cpt-item label {
  margin: 0;
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
}