:root {
  --bg: #FAF8F3;            /* warm ivory */
  --panel: #FFFFFF;         /* white cards */
  --panel-2: #F4F1E9;       /* subtle warm fill (inputs, pills, tiles) */
  --line: #E6E1D5;          /* warm hairline */
  --text: #1A1C20;          /* near-obsidian text */
  --muted: #70747C;         /* warm grey */
  --gold: #D4AF37;          /* gold for fills + borders */
  --gold-2: #B8902A;        /* deeper gold for gradient depth */
  --gold-ink: #8A6B16;      /* readable gold for TEXT on light surfaces */
  --gold-soft: rgba(212, 175, 55, 0.16);
  --gold-line: rgba(184, 144, 42, 0.55);
  --ink: #1A1C20;           /* dark text on gold fills */
  --good: #1F9D6B;
  --warn: #B5841E;
  --bad: #C2473F;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: ui-sans-serif, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* a faint warm vignette so the obsidian has depth */
body {
  background:
    radial-gradient(1200px 500px at 70% -10%, rgba(212, 175, 55, 0.05), transparent 60%),
    var(--bg);
}

header {
  padding: 30px 32px 18px;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 var(--gold-soft);
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}

/* test / production database switch */
.env-switch {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--panel);
}
.env-label {
  padding: 0 8px 0 10px; font-size: 11px; font-weight: 600;
  letter-spacing: 0.6px; text-transform: uppercase; color: var(--muted);
}
.env-opt {
  border: 0; background: transparent; color: var(--muted);
  font: 600 13px var(--sans); padding: 7px 14px; border-radius: 999px;
  cursor: pointer; transition: background .15s, color .15s;
}
.env-opt:hover { color: var(--text); }
.env-opt:focus-visible { outline: 2px solid var(--gold-line); outline-offset: 1px; }
.env-opt[aria-checked="true"] { background: var(--gold-soft); color: var(--gold-ink); }
/* production is live client data, so make it unmistakable */
.env-opt[data-env="production"][aria-checked="true"] { background: var(--bad); color: #fff; }
.env-switch:has(.env-opt[data-env="production"][aria-checked="true"]) { border-color: var(--bad); }
.brand { display: flex; gap: 16px; align-items: center; }
.logo {
  width: 46px; height: 46px;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  border-radius: 12px;
  display: grid; place-items: center;
  font-size: 26px; color: var(--ink);
  font-weight: 800;
  box-shadow: 0 6px 18px rgba(212, 175, 55, 0.22);
}
header h1 {
  margin: 0; font-size: 23px; font-weight: 600;
  font-family: var(--serif); letter-spacing: 0.2px;
}
.tagline { margin: 3px 0 0; color: var(--muted); font-size: 13px; }

main {
  max-width: 1080px;
  margin: 26px auto 96px;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px 24px;
  box-shadow: 0 1px 2px rgba(20, 22, 26, 0.04), 0 12px 28px rgba(20, 22, 26, 0.07);
}
.card h2 {
  margin: 0 0 16px;
  font-size: 17px;
  font-weight: 600;
  font-family: var(--serif);
  display: flex; gap: 12px; align-items: center;
}
.step {
  width: 26px; height: 26px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  color: var(--ink);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 800;
  font-family: var(--sans);
  box-shadow: 0 3px 10px rgba(212, 175, 55, 0.22);
}
.hint { color: var(--muted); margin: -8px 0 16px; font-size: 13px; line-height: 1.5; }
.hint strong { color: var(--text); }
.hidden { display: none !important; }

/* ---------- inputs + buttons ---------- */

.row {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  margin-bottom: 12px;
}
.row .meta, .meta { margin-left: auto; color: var(--muted); font-size: 13px; }

input, button, select, textarea {
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 9px;
  font-size: 13px;
  font-family: inherit;
}
input { min-width: 220px; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--gold-ink);
  box-shadow: 0 0 0 3px var(--gold-soft);
}
button { cursor: pointer; transition: border-color 0.14s, transform 0.1s, filter 0.14s; }
button:hover:not(:disabled) { border-color: var(--gold-ink); }
button:active:not(:disabled) { transform: translateY(1px); }
button:disabled { opacity: 0.4; cursor: not-allowed; }
button:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--gold-soft); }

button.primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  border: 0;
  color: var(--ink);
  font-weight: 700;
  padding: 10px 20px;
  box-shadow: 0 4px 14px rgba(212, 175, 55, 0.20);
}
button.primary:hover:not(:disabled) { filter: brightness(1.07); }
button.ghost {
  background: transparent;
  color: var(--muted);
}
button.ghost:hover:not(:disabled) { color: var(--text); border-color: var(--gold-ink); }

/* ---------- step 1: survey tiles ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}
.survey-tile {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 15px 16px;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s, background 0.15s;
}
.survey-tile:hover { border-color: var(--gold-line); transform: translateY(-2px); }
.survey-tile .name { font-weight: 600; overflow-wrap: anywhere; }
.survey-tile .count { color: var(--muted); font-size: 12px; margin-top: 5px; }
.survey-tile.selected {
  border-color: var(--gold-ink);
  background: linear-gradient(180deg, var(--gold-soft), transparent);
}

/* ---------- step 2: filter ---------- */

.filter-row {
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 4px;
}
.filter-group { display: flex; gap: 8px; align-items: center; }
.filter-group label {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.filter-group input[type=date] {
  min-width: 0; padding: 8px 10px; font-size: 13px;
}
.chk { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 12px; cursor: pointer; }
.chk input { width: auto; min-width: 0; accent-color: var(--gold-ink); }

/* ---------- step 3: question composer ---------- */

#question-list { display: flex; flex-direction: column; gap: 10px; }
.cq-row {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 13px 15px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  transition: border-color 0.14s, background 0.14s;
}
.cq-row.on { border-color: var(--gold-line); background: linear-gradient(180deg, var(--gold-soft), transparent); }
.cq-head { display: flex; gap: 10px; align-items: center; }
.cq-head .inc { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; white-space: nowrap; }
.cq-head .inc input { width: auto; min-width: 0; accent-color: var(--gold-ink); transform: scale(1.1); }
.cq-head .src { font-size: 11px; padding: 3px 9px; border-radius: 12px; white-space: nowrap; font-weight: 600; }
.cq-head .src.ai { background: var(--gold-soft); color: var(--gold-ink); border: 1px solid var(--gold-line); }
.cq-head .src.manual { background: rgba(140, 144, 151, 0.14); color: var(--muted); border: 1px solid var(--line); }
.cq-head select { flex: 1; min-width: 0; background: var(--bg); padding: 7px 10px; border-radius: 7px; }
.cq-remove {
  background: transparent; border: 1px solid var(--line);
  width: 32px; height: 32px; padding: 0; font-size: 18px; line-height: 1;
  color: var(--muted); border-radius: 7px;
}
.cq-remove:hover { color: var(--bad); border-color: var(--bad); }
.cq-row textarea {
  background: var(--bg); padding: 9px 11px; border-radius: 7px;
  min-height: 50px; resize: vertical; width: 100%;
}
.cq-options-wrap { display: flex; flex-direction: column; gap: 5px; }
.cq-options-wrap label {
  color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.6px;
}
.cq-options-wrap textarea {
  min-height: 60px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
}
.cq-rationale {
  font-size: 12px; color: var(--gold-ink);
  background: var(--gold-soft);
  border-left: 3px solid var(--gold);
  padding: 7px 11px; border-radius: 0 7px 7px 0;
  font-style: italic;
}
.cq-grounding {
  margin-top: 5px;
  font-size: 11.5px; color: var(--muted);
  background: var(--panel-2);
  border-left: 3px solid #3a8;
  padding: 6px 11px; border-radius: 0 7px 7px 0;
}
.cq-grounding.weak {
  color: #b8860b;
  border-left-color: #d8a200;
}
#suggest-count {
  background: var(--panel-2); padding: 8px 9px; border-radius: 9px; font-size: 12px;
}

/* ---------- step 4: preview ---------- */

.preview-resp {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 14px;
}
.pv-head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.pv-idx {
  width: 26px; height: 26px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  color: var(--ink); border-radius: 8px; font-weight: 800; font-size: 13px;
}
.pv-title { font-weight: 600; font-family: var(--serif); font-size: 15px; }
.pv-id {
  font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 11px;
  color: var(--muted); background: var(--bg); padding: 3px 8px; border-radius: 6px;
  border: 1px solid var(--line);
}
.pv-date { color: var(--muted); font-size: 12px; }

/* swipeable respondent carousel — one card at a time */
.pv-carousel { display: flex; flex-direction: column; gap: 12px; }
.pv-nav { display: flex; align-items: center; justify-content: center; gap: 10px; }
.pv-arrow {
  flex: none; width: 38px; height: 38px; padding: 0;
  font-size: 20px; line-height: 1; border-radius: 9px;
  background: var(--panel-2); color: var(--gold-ink); border: 1px solid var(--line);
}
.pv-arrow:hover:not(:disabled) { border-color: var(--gold-ink); }
.pv-foot { display: flex; align-items: center; gap: 10px; }
.pv-step {
  flex: 1; padding: 11px 16px; border-radius: 10px;
  font-size: 13px; font-weight: 600;
  background: var(--panel-2); color: var(--gold-ink); border: 1px solid var(--line);
}
.pv-step:hover:not(:disabled) { border-color: var(--gold-ink); }
.pv-counter { flex: none; text-align: center; color: var(--muted); font-size: 13px; font-weight: 600; }
.pv-jump { background: var(--panel-2); padding: 8px 12px; border-radius: 8px; font-size: 13px; min-width: 0; }
.pv-viewport { overflow: hidden; }
.pv-slide { display: none; }
.pv-slide.active { display: block; }
.pv-slide .preview-resp { margin-bottom: 0; }
@keyframes pvSlideR { from { opacity: 0; transform: translateX(34px); } to { opacity: 1; transform: translateX(0); } }
@keyframes pvSlideL { from { opacity: 0; transform: translateX(-34px); } to { opacity: 1; transform: translateX(0); } }
.pv-slide.slide-r { animation: pvSlideR 0.28s ease; }
.pv-slide.slide-l { animation: pvSlideL 0.28s ease; }

.pv-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.pv-col > label, .pv-real > summary {
  color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.6px;
  display: block; margin-bottom: 10px;
}
.pv-col.ai > label { color: var(--gold-ink); }

/* collapsible real answers */
.pv-real { border: 0; }
.pv-real > summary {
  cursor: pointer; list-style: none; user-select: none;
  display: flex; align-items: center; gap: 6px;
}
.pv-real > summary::-webkit-details-marker { display: none; }
.pv-real > summary::before { content: "▸"; color: var(--gold-ink); transition: transform 0.15s; }
.pv-real[open] > summary::before { transform: rotate(90deg); }
.pv-real > summary:hover { color: var(--text); }

/* aligned label / value ledger (no inner scroll) */
.pv-grid {
  margin: 4px 0 0;
  display: grid;
  grid-template-columns: minmax(90px, 34%) 1fr;
  column-gap: 16px;
}
.pv-grid dt {
  color: var(--muted); font-size: 12px;
  padding: 7px 0; border-bottom: 1px solid var(--line);
  min-width: 0; overflow-wrap: anywhere; word-break: break-word;
}
.pv-grid dd {
  margin: 0; color: var(--text); font-size: 13px;
  padding: 7px 0; border-bottom: 1px solid var(--line);
  min-width: 0; overflow-wrap: anywhere; word-break: break-word;
}
.pv-grid .pv-sec {
  grid-column: 1 / -1;
  margin-top: 10px; padding: 4px 0 3px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--gold-ink);
  border-bottom: 1px solid var(--line);
}
.pv-grid .pv-sec:first-child { margin-top: 0; }
.pv-q > summary {
  list-style: none; cursor: pointer;
  color: var(--muted); font-size: 12px;
  display: flex; align-items: baseline; gap: 5px;
}
.pv-q > summary::-webkit-details-marker { display: none; }
.pv-q > summary::before {
  content: "▸"; color: var(--gold-ink); font-size: 10px;
  flex: none; transition: transform 0.15s;
}
.pv-q[open] > summary::before { transform: rotate(90deg); }
.pv-q > summary:hover { color: var(--text); }
.pv-qfull {
  margin: 4px 0 0 14px;
  font-size: 12px; color: var(--text); line-height: 1.45;
}

.pv-gen-item {
  background: var(--bg);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: 0 10px 10px 0;
  padding: 11px 13px;
  margin-bottom: 10px;
}
.pv-gen-item .pv-gq { color: var(--text); font-weight: 500; margin-bottom: 7px; overflow-wrap: anywhere; }
.pv-gen-item .pv-gq .qtype { color: var(--muted); font-weight: 400; font-size: 12px; }

.pill {
  display: inline-block; padding: 5px 12px; margin: 3px 5px 3px 0;
  border-radius: 16px; background: var(--panel-2); font-size: 12.5px; border: 1px solid var(--line);
}
.pill.ai {
  background: var(--gold-soft); border: 1px solid var(--gold-line); color: var(--gold-ink); font-weight: 600;
}
.reason { color: var(--muted); font-size: 12px; margin-top: 8px; font-style: italic; }

.refrow { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 9px; align-items: center; }
.refrow .grounded { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
.chip-ref {
  font-size: 11px; background: var(--gold-soft); border-left: 2px solid var(--gold);
  padding: 3px 9px; border-radius: 0 7px 7px 0; color: var(--text);
  min-width: 0; overflow-wrap: anywhere; max-width: 100%;
}
.chip-ref b { color: var(--gold-ink); font-weight: 600; }

/* ---------- validation (backtest) comparison ---------- */
.bt-acc {
  margin-left: auto; font-size: 12px; font-weight: 600; color: var(--gold-ink);
  background: var(--gold-soft); border: 1px solid var(--gold-line);
  padding: 3px 10px; border-radius: 14px;
}
.bt-seclabel {
  grid-column: 1 / -1; margin: 10px 2px 2px; padding-bottom: 4px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px;
  color: var(--gold-ink); border-bottom: 1px solid var(--gold-line);
}
.bt-seclabel:first-child { margin-top: 0; }
.bt-seccount { color: var(--muted); font-weight: 600; }
.bt-qlabel { border-bottom: 1px dotted var(--gold-line); cursor: help; }
#panel-backtest .pv-qfull { white-space: pre-line; }  /* show choices one per line */

/* step-3 sub-section labels (A: persona / B: exclude) */
.bt-sublbl {
  display: flex; align-items: center; gap: 8px;
  margin: 4px 0 2px; font-size: 14px; font-weight: 600; color: var(--text);
}
.bt-num {
  flex: none; width: 22px; height: 22px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--gold), var(--gold-2)); color: var(--ink);
  font-size: 12px; font-weight: 700;
}
/* a ticked "AI should not answer" row reads as struck-out */
.bt-exclitem:has(input:checked) .li-name { text-decoration: line-through; color: var(--muted); }
.bt-cmps { margin-top: 12px; display: flex; flex-direction: column; gap: 10px; }
.bt-cmp {
  border: 1px solid var(--line); border-left: 3px solid var(--line);
  border-radius: 9px; padding: 11px 13px; background: var(--panel-2);
}
.bt-cmp.is-ok { border-left-color: var(--good); }
.bt-cmp.is-bad { border-left-color: var(--bad); }
.bt-cmp.is-na { border-left-color: var(--muted); }
.bt-cmp-head { display: flex; align-items: flex-start; gap: 8px; }
.bt-cmp-head .pv-gq { color: var(--text); font-weight: 500; flex: 1; overflow-wrap: anywhere; }
.bt-cmp-head .pv-gq .qtype { color: var(--muted); font-weight: 400; font-size: 12px; }
.bt-cmp-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 9px; }
.bt-lbl {
  display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--muted); margin-bottom: 4px;
}
.bt-badge { font-size: 11px; font-weight: 600; padding: 2px 9px; border-radius: 12px; white-space: nowrap; }
.bt-badge.bt-ok { color: var(--good); background: rgba(31, 157, 107, 0.13); border: 1px solid rgba(31, 157, 107, 0.4); }
.bt-badge.bt-bad { color: var(--bad); background: rgba(194, 71, 63, 0.12); border: 1px solid rgba(194, 71, 63, 0.4); }
.bt-badge.bt-na { color: var(--muted); background: var(--panel-2); border: 1px solid var(--line); }
@media (max-width: 560px) { .bt-cmp-cols { grid-template-columns: 1fr; } }

/* ---------- step 5: progress + download ---------- */

.prog-label { font-size: 13px; margin-bottom: 8px; color: var(--text); }
.prog-bar { height: 12px; background: var(--bg); border: 1px solid var(--line); border-radius: 7px; overflow: hidden; }
.prog-fill {
  height: 100%; background: linear-gradient(90deg, var(--gold-2), var(--gold));
  transition: width 0.3s; box-shadow: 0 0 12px rgba(212, 175, 55, 0.4);
}
.dl-btn {
  display: inline-block; text-decoration: none;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  color: var(--ink); font-weight: 700; padding: 11px 20px; border-radius: 9px;
  box-shadow: 0 4px 14px rgba(212, 175, 55, 0.22);
}
.dl-btn:hover { filter: brightness(1.07); }

/* ---------- misc ---------- */

.toast {
  position: fixed; bottom: 24px; right: 24px;
  background: var(--panel); border: 1px solid var(--gold-line);
  padding: 12px 18px; border-radius: 10px;
  box-shadow: 0 12px 30px rgba(20, 22, 26, 0.16);
}

.spinner {
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid var(--line); border-top-color: var(--gold-ink);
  border-radius: 50%; animation: spin 0.8s linear infinite;
  vertical-align: middle; margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- centered "AI is working" loader (preview) ---------- */
.loading {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; padding: 52px 16px; text-align: center;
}
.loader-ring {
  width: 44px; height: 44px; border-radius: 50%;
  border: 3px solid var(--line); border-top-color: var(--gold-ink);
  animation: spin 0.85s linear infinite;
  box-shadow: 0 0 18px var(--gold-soft);
}
.loader-msg {
  font-family: var(--serif); font-size: 16px; color: var(--text);
  min-height: 22px; animation: fadeUp 0.45s ease;
}
.loader-sub { color: var(--muted); font-size: 12px; letter-spacing: 0.2px; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- mobile / responsive ---------- */
@media (max-width: 640px) {
  html, body { font-size: 13px; }

  header { padding: 18px 14px 12px; gap: 12px; }
  .env-opt { padding: 6px 12px; }
  .brand { gap: 12px; }
  .logo { width: 40px; height: 40px; font-size: 22px; border-radius: 11px; }
  header h1 { font-size: 19px; }
  .tagline { font-size: 12px; }

  main { margin: 14px auto 56px; padding: 0 12px; gap: 14px; }
  .card { padding: 16px 14px; border-radius: 14px; }
  .card h2 { font-size: 15px; }
  .hint { font-size: 12px; }

  input { min-width: 0; width: 100%; }
  .row { gap: 8px; }
  .row .meta, .meta { margin-left: 0; width: 100%; }

  .grid { grid-template-columns: 1fr; }

  .filter-row { flex-direction: column; align-items: stretch; gap: 10px; }
  .filter-group { flex-wrap: wrap; }
  .filter-group input[type=date] { flex: 1; width: auto; }
  .filter-row > button { width: 100%; }

  .pv-cols { grid-template-columns: 1fr; gap: 14px; }
  .pv-grid { grid-template-columns: minmax(80px, 40%) 1fr; column-gap: 12px; }
  .preview-resp { padding: 14px; }

  #step-questions .row > button,
  #step-questions .row > #suggest-count { flex: 1 1 100%; }
  #step-questions .row > span { display: none; }

  .toast { left: 12px; right: 12px; bottom: 12px; text-align: center; }

  /* question composer header: let it wrap instead of overflowing */
  .cq-head { flex-wrap: wrap; }
  .cq-head select { flex: 1 1 55%; }

  /* full-width, comfortable tap targets for the main actions */
  button.primary, .dl-btn { width: 100%; text-align: center; padding: 13px 18px; }
  #step-generate .row > button { width: 100%; }

  .pv-title { font-size: 14px; }
  .pv-gen-item { padding: 10px 12px; }
}

/* never allow a stray wide element to force horizontal scroll on phones */
@media (max-width: 640px) {
  html, body { overflow-x: hidden; }
}