/* Prompt Builder layout. Builds on /dairy-ai/survey.css (tokens, buttons, inputs, choices, pills). */
.pb-shell { position: relative; z-index: 1; max-width: 74rem; margin: 0 auto; padding: 2rem 1.25rem 2rem; }

/* Intro */
.pb-intro { max-width: 54rem; margin: 0 auto; }
.pb-intro h1 { font-size: clamp(1.9rem, 5vw, 2.8rem); margin: 0 0 1.25rem; }
.pb-intro h1:focus { box-shadow: none; }
.pb-intro p { margin: 0 0 1rem; }
.lead { font-size: 1.15rem; color: var(--text-strong); }
.framework { list-style: none; padding: 0; margin: 1.5rem 0; display: grid; gap: 0.6rem; }
.framework li { display: flex; align-items: center; gap: 1rem; padding: 0.75rem 1rem; border-radius: var(--radius-sm); background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.08); }
.framework strong { display: inline-block; min-width: 7.5rem; color: var(--text-strong); }
.framework li > span:last-child { color: var(--muted); }
.fw-letter, .eyebrow-letter, .stepper-mark {
  display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto;
  font-family: var(--font-head); font-weight: 700; color: #fff;
  background: linear-gradient(135deg, #2563eb, #0891b2); border-radius: 0.6rem;
}
.fw-letter { width: 2.25rem; height: 2.25rem; font-size: 1.1rem; }
.examples { margin: 1.75rem 0 1.25rem; }
.examples.inline { margin: 1.75rem 0 0; padding-top: 1.25rem; border-top: 1px solid rgba(255, 255, 255, 0.06); }
.examples-title { font-weight: 600; color: var(--text-strong); margin: 0 0 0.6rem !important; font-size: 0.95rem; }
.example-list { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.example-btn { min-height: 44px; padding: 0.5rem 1rem; font-size: 0.92rem; }

.chip {
  display: inline-flex; align-items: center; min-height: 40px; padding: 0.4rem 0.85rem;
  border-radius: 999px; border: 1px solid rgba(255, 255, 255, 0.14); background: rgba(255, 255, 255, 0.03);
  color: var(--text); font: inherit; font-size: 0.88rem; cursor: pointer; transition: all 0.15s ease;
}
.chip:hover { border-color: rgba(59, 130, 246, 0.45); background: rgba(59, 130, 246, 0.08); }

/* Stepper */
.stepper { margin-bottom: 1.25rem; }
.stepper ol { list-style: none; margin: 0; padding: 0; display: flex; gap: 0.4rem; overflow-x: auto; }
.stepper li { flex: 1 0 auto; }
.stepper-btn {
  width: 100%; display: flex; align-items: center; gap: 0.55rem; min-height: 48px; padding: 0.45rem 0.8rem;
  background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: var(--radius-sm);
  color: var(--muted); font: inherit; font-size: 0.88rem; font-weight: 600; cursor: pointer; transition: all 0.15s ease;
}
.stepper-btn:hover:not(:disabled) { border-color: rgba(59, 130, 246, 0.45); color: var(--text); }
.stepper-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.stepper-btn[aria-current="step"] { border-color: rgba(6, 182, 212, 0.6); background: rgba(6, 182, 212, 0.08); color: var(--text-strong); }
.stepper-mark { width: 1.75rem; height: 1.75rem; font-size: 0.9rem; background: rgba(255, 255, 255, 0.08); }
.stepper-btn.is-letter .stepper-mark, .stepper-btn[aria-current="step"] .stepper-mark { background: linear-gradient(135deg, #2563eb, #0891b2); }

/* Step and preview */
.pb-grid { display: grid; gap: 1.25rem; align-items: start; }
.pb-workspace { scroll-margin-top: 7rem; }
.eyebrow { display: flex; align-items: center; gap: 0.6rem; }
.eyebrow-letter { width: 1.6rem; height: 1.6rem; font-size: 0.85rem; letter-spacing: 0; }

.lesson {
  margin: 0 0 1.5rem; padding: 1rem 1.25rem;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(8, 145, 178, 0.06));
  border: 1px solid rgba(59, 130, 246, 0.25); border-radius: var(--radius-sm);
}
.lesson.is-collapsed { padding: 0.25rem 1.25rem; }
.lesson > p { margin: 0 0 0.75rem; }
.lesson-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.lesson-title { margin: 0; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cyan-300); }
.compare { display: grid; gap: 0.6rem; margin-top: 0.75rem; }
.compare-item { padding: 0.75rem 1rem; border-radius: 0.6rem; background: rgba(2, 8, 23, 0.5); border: 1px solid rgba(255, 255, 255, 0.08); }
.compare-item p { margin: 0.35rem 0 0; }
.compare-item.weak p { color: var(--muted); }
.compare-item.strong { border-color: rgba(16, 185, 129, 0.35); }
.compare-item.strong p { color: var(--text-strong); }
.tag { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.weak .tag { color: #fca5a5; }
.strong .tag { color: var(--success); }

.suggestions { display: flex; flex-wrap: wrap; gap: 0.45rem; align-items: center; margin-top: 0.75rem; }
.pill-group .clear-btn { display: inline-block; }

.pb-preview {
  background: rgba(2, 8, 23, 0.7); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.25rem; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}
.preview-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: 0.75rem; }
.preview-head h2 { margin: 0; font-size: 1rem; }
.preview-text {
  margin: 0; max-height: 60vh; overflow: auto; white-space: pre-wrap; word-break: break-word;
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace; font-size: 0.85rem; line-height: 1.6; color: var(--muted);
}
.preview-text .is-current { color: var(--text-strong); background: rgba(6, 182, 212, 0.12); box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.12); border-radius: 2px; }
.preview-empty { font-family: var(--font); font-style: italic; }
.preview-note { margin: 0.75rem 0 0; }

@media (min-width: 960px) {
  .pb-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr); }
  .is-review .pb-grid { grid-template-columns: 1fr; }
  .pb-preview { position: sticky; top: 7.5rem; }
  .compare { grid-template-columns: 1fr 1fr; }
}

/* Review */
.pb-step.is-review { max-width: 60rem; width: 100%; margin: 0 auto; }
.pb-step.is-review > * + * { margin-top: 1.75rem; }
.pb-step.is-review > .page-title, .pb-step.is-review > .page-intro { margin-top: 0; }
.before-after { display: grid; gap: 1rem; }
.ba-item { padding: 1rem 1.25rem; border-radius: var(--radius-sm); border: 1px solid rgba(255, 255, 255, 0.09); background: rgba(255, 255, 255, 0.02); }
.ba-item.after { border-color: rgba(16, 185, 129, 0.35); }
.ba-title { margin: 0 0 0.5rem; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cyan-300); }
.ba-item blockquote { margin: 0 0 0.5rem; font-size: 1.05rem; color: var(--text-strong); }
.ba-item ul { margin: 0; padding-left: 1.2rem; }
.ba-item li { margin: 0.25rem 0; }
.ba-item p:last-child { margin-bottom: 0; }
@media (min-width: 720px) { .before-after { grid-template-columns: 1fr 1.3fr; } }

.final-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.final-prompt { font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace; font-size: 0.9rem; line-height: 1.6; }
.edit-note { margin: 0.5rem 0 0; color: #fde68a; font-size: 0.9rem; }
.handoff .actions { margin-top: 0; }
.handoff a.btn { text-decoration: none; }
.handoff p { margin: 0.75rem 0 0; }
.copy-status { color: var(--success); font-weight: 600; min-height: 1.6em; }

.checklist, .followups { padding: 1.25rem; border-radius: var(--radius-sm); border: 1px solid rgba(255, 255, 255, 0.09); background: rgba(255, 255, 255, 0.02); }
.checklist h3, .followups h3 { margin: 0 0 0.5rem; font-size: 1.15rem; }
.checks { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; gap: 0.6rem; }
.checks li { display: flex; gap: 0.75rem; align-items: flex-start; }
.check-mark { flex: 0 0 auto; width: 1.5rem; height: 1.5rem; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 0.85rem; font-weight: 700; }
.pass .check-mark { color: var(--success); background: rgba(16, 185, 129, 0.12); border: 1px solid rgba(16, 185, 129, 0.4); }
.gap .check-mark { color: var(--muted); border: 1px dashed rgba(148, 163, 184, 0.6); }
.check-label { margin: 0; color: var(--text-strong); }
.gap .check-label { color: var(--text); }
.check-tip { margin: 0.15rem 0 0; color: var(--muted); font-size: 0.9rem; }
.check-tip .link-btn { min-height: 32px; padding: 0 0.25rem; }
.notes { margin: 1rem 0 0; padding: 0.9rem 1rem 0.9rem 2rem; border-radius: 0.6rem; background: rgba(250, 204, 21, 0.06); border: 1px solid rgba(250, 204, 21, 0.25); color: #fde68a; font-size: 0.92rem; }
.notes li + li { margin-top: 0.4rem; }

.followups > p { margin: 0 0 1rem; color: var(--muted); }
.followups ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; }
.followups li { padding: 0.75rem 1rem; border-radius: 0.6rem; background: rgba(2, 8, 23, 0.5); border: 1px solid rgba(255, 255, 255, 0.08); }
.fu-label { margin: 0; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue-300); }
.fu-text { margin: 0.25rem 0 0; color: var(--text-strong); }
.followups .link-btn { min-height: 36px; padding: 0.25rem 0; }

@media (max-width: 640px) {
  .pb-shell { padding-top: 1.25rem; }
  .framework strong { min-width: 0; display: block; }
  .framework li { align-items: flex-start; }
  .stepper ol { gap: 0.3rem; }
  .stepper li { flex: 1 1 0; min-width: 0; }
  .stepper-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
  .stepper-btn { position: relative; justify-content: center; padding: 0.4rem 0; }
  .handoff .actions .btn { width: 100%; }
}

@media print {
  .mw-nav, .mw-footer, .ambient, .stepper, .pb-preview, .handoff, .nav, .lesson-head .link-btn { display: none !important; }
}