:root{
  /* warm ivory paper, ink, deep pine + antique gold accents */
  --ink:#21201c; --ink-soft:#54504a; --muted:#8c857a;
  --paper:#f6f2ea; --paper-2:#fbf8f2; --card:#fffdf8;
  --line:#e6e0d3; --line-strong:#d8d0bf;
  --green:#1d5d4d; --green-deep:#123f34; --green-soft:#e7efe9;
  --gold:#967327; --gold-soft:#f2e9d4;
  --red:#9c3a30; --red-soft:#f3e3df; --blue:#2c5f74;
  --shadow:0 1px 1px rgba(33,32,28,.03),0 8px 22px rgba(33,32,28,.05);
  --shadow-lg:0 2px 6px rgba(33,32,28,.05),0 28px 64px rgba(33,32,28,.10);
  --shadow-ring:0 0 0 1px rgba(33,32,28,.04);
  --r:16px; --r-sm:11px;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Hanken Grotesk",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);font-family:var(--sans);line-height:1.55;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  background-color:var(--paper);
  /* layered atmosphere: warm light pooling top-centre + faint vignette */
  background-image:
    radial-gradient(120% 80% at 50% -10%, rgba(255,253,247,.9) 0%, rgba(246,242,234,0) 60%),
    radial-gradient(90% 60% at 100% 0%, rgba(150,115,39,.06) 0%, rgba(246,242,234,0) 55%),
    radial-gradient(90% 70% at 0% 5%, rgba(29,93,77,.05) 0%, rgba(246,242,234,0) 55%);
  background-attachment:fixed;
}
/* fine paper grain overlay for tactile depth */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.035'/%3E%3C/svg%3E");
}
main,.topbar,.foot{position:relative;z-index:1}
button,input,select{font:inherit;color:inherit}
h1,h2,h3,p{margin:0}
a{color:var(--green);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:2px}
::selection{background:var(--green-soft);color:var(--green-deep)}

/* ── topbar ───────────────────────────────────────────────── */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:24px;
  padding:13px 30px;background:rgba(246,242,234,.78);
  backdrop-filter:saturate(150%) blur(14px);-webkit-backdrop-filter:saturate(150%) blur(14px);
  border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand-mark{width:42px;height:42px;display:block;border-radius:12px;
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.18)}
.brand-text{display:flex;flex-direction:column;font-family:var(--serif);font-weight:600;
  font-size:17px;line-height:1.08;letter-spacing:-.015em}
.brand-text em{font-weight:400;color:var(--green);font-style:italic}
.brand-text small{font-family:var(--serif);font-style:italic;font-weight:400;font-size:11.5px;
  color:var(--muted);letter-spacing:.035em;margin-top:2px}
.topnav{display:flex;gap:2px;margin-left:10px}
.tab{border:0;background:transparent;color:var(--ink-soft);padding:8px 17px;border-radius:9px;
  cursor:pointer;font-weight:500;font-size:15px;transition:.18s var(--ease)}
.tab:hover{background:rgba(33,32,28,.05);color:var(--ink)}
.tab.active{background:var(--ink);color:var(--paper-2)}
.status{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:11.5px;
  color:var(--muted);letter-spacing:.02em}
.dot{width:7px;height:7px;border-radius:50%;background:#3aa776;
  box-shadow:0 0 0 3px rgba(58,167,118,.16);animation:pulse 2.6s var(--ease) infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(58,167,118,.16)}50%{box-shadow:0 0 0 5px rgba(58,167,118,.05)}}

main{max-width:1000px;margin:0 auto;padding:0 24px 96px}
.view{display:none}
.view.active{display:block;animation:rise .5s var(--ease)}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.view-title{font-family:var(--serif);font-weight:500;font-size:34px;
  letter-spacing:-.015em;margin:44px 0 20px;font-optical-sizing:auto}

/* ── hero / ask ───────────────────────────────────────────── */
.hero{text-align:center;padding:74px 0 34px}
.hero>*{animation:rise .7s var(--ease) backwards}
.hero .kicker{animation-delay:.05s}
.hero h1{animation-delay:.14s}
.hero .lede{animation-delay:.22s}
.hero .ask-box{animation-delay:.3s}
.hero .chips{animation-delay:.38s}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:11.5px;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--green);margin-bottom:22px}
.kicker::before,.kicker::after{content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent)}
.hero h1{font-family:var(--serif);font-weight:500;font-size:68px;letter-spacing:-.025em;
  line-height:.98;font-optical-sizing:auto}
.hero h1 em{font-style:italic;font-weight:400;color:var(--green)}
.lede{max-width:540px;margin:18px auto 0;color:var(--ink-soft);font-size:16.5px;line-height:1.6}
.ask-box{display:flex;gap:8px;max-width:680px;margin:36px auto 0;background:var(--card);
  border:1px solid var(--line-strong);border-radius:18px;padding:9px;
  box-shadow:var(--shadow-lg);transition:.25s var(--ease)}
.ask-box:focus-within{border-color:var(--green);box-shadow:var(--shadow-lg),0 0 0 4px var(--green-soft)}
.ask-box input{flex:1;border:0;background:transparent;outline:none;padding:14px 18px;font-size:16.5px}
.ask-box input::placeholder{color:#b0a899}
#ask-submit{border:0;background:var(--ink);color:var(--paper-2);padding:0 28px;border-radius:13px;
  font-weight:600;font-size:14.5px;cursor:pointer;transition:.2s var(--ease)}
#ask-submit:hover{background:var(--green)}
#ask-submit:active{transform:scale(.98)}
#ask-submit:disabled{opacity:.5;cursor:default}
.chips{display:flex;gap:9px;flex-wrap:wrap;justify-content:center;margin-top:20px}
.chips button{border:1px solid var(--line-strong);background:rgba(255,253,248,.6);color:var(--ink-soft);
  padding:8px 15px;border-radius:999px;font-size:13px;cursor:pointer;transition:.18s var(--ease)}
.chips button:hover{border-color:var(--green);color:var(--green);background:var(--card);transform:translateY(-1px)}

/* ── answer ───────────────────────────────────────────────── */
.answer{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:28px 30px;box-shadow:var(--shadow),var(--shadow-ring);margin:34px 0 8px;text-align:left;
  animation:rise .4s var(--ease)}
.answer.hidden{display:none}
.answer-head{display:flex;align-items:center;gap:11px;margin-bottom:16px;
  padding-bottom:15px;border-bottom:1px solid var(--line)}
.answer-head .who{font-family:var(--serif);font-weight:500;font-size:16px;letter-spacing:-.01em}
.answer-prov{font-size:10.5px;color:var(--muted);border:1px solid var(--line-strong);
  padding:3px 10px;border-radius:999px;text-transform:uppercase;letter-spacing:.07em;
  margin-left:auto;background:var(--paper-2)}
.answer-body{font-size:16px;line-height:1.7;color:#2c2924;white-space:pre-wrap}
.answer-body strong{font-weight:600;color:var(--ink)}
.answer-body .cite{color:var(--green-deep);font-weight:600;font-size:12.5px;
  background:var(--green-soft);padding:1px 7px;border-radius:6px;white-space:nowrap}
.answer-cites{margin-top:22px;border-top:1px solid var(--line);padding-top:18px}
.answer-cites h4{font-size:10.5px;text-transform:uppercase;letter-spacing:.1em;
  color:var(--muted);margin:0 0 12px;font-weight:600}
.thinking{display:inline-flex;gap:6px;align-items:center;color:var(--muted);
  font-family:var(--serif);font-style:italic;font-size:15px}
.thinking i{width:6px;height:6px;border-radius:50%;background:var(--green);display:inline-block;
  animation:blink 1.3s var(--ease) infinite both}
.thinking i:nth-child(2){animation-delay:.18s}.thinking i:nth-child(3){animation-delay:.36s}
@keyframes blink{0%,80%,100%{opacity:.22;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}
.err-note{font-size:12px;color:var(--gold);margin-top:12px;font-style:italic}

/* ── stat strip ───────────────────────────────────────────── */
.statstrip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:42px}
.statstrip .s{background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:18px 20px;box-shadow:var(--shadow-ring);transition:.2s var(--ease)}
.statstrip .s:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.statstrip .s b{display:block;font-family:var(--serif);font-size:30px;font-weight:500;
  letter-spacing:-.02em;line-height:1;font-optical-sizing:auto}
.statstrip .s span{font-size:11.5px;color:var(--muted);letter-spacing:.03em;
  text-transform:uppercase;margin-top:4px;display:block}

/* ── claim cards ──────────────────────────────────────────── */
.claim{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--line-strong);
  border-radius:13px;padding:16px 18px;box-shadow:var(--shadow-ring);transition:.2s var(--ease)}
.claim:hover{box-shadow:var(--shadow);transform:translateY(-1px)}
.claim+.claim{margin-top:0}
.claim.exception{border-left-color:var(--green)}
.claim.nerf{border-left-color:var(--red)}
.claim p{font-size:14.5px;line-height:1.6;margin-bottom:12px;color:#34302a}
.meta{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.pill{font-size:11px;color:var(--ink-soft);background:var(--paper);border:1px solid var(--line);
  border-radius:999px;padding:3px 10px;letter-spacing:.01em}
.pill.green{color:var(--green-deep);background:var(--green-soft);border-color:transparent}
.pill.red{color:var(--red);background:var(--red-soft);border-color:transparent}
.pill.gold{color:var(--gold);background:var(--gold-soft);border-color:transparent}
.pill.muted{color:var(--muted);background:transparent;border-color:var(--line)}
.feed{display:grid;gap:11px}

/* ── results / tables ─────────────────────────────────────── */
.group{margin:30px 0}
.group h3{font-family:var(--serif);font-weight:500;font-size:21px;margin-bottom:14px;
  letter-spacing:-.01em;display:flex;align-items:baseline;gap:8px}
.tbl{width:100%;border-collapse:separate;border-spacing:0;background:var(--card);
  border:1px solid var(--line);border-radius:14px;overflow:hidden;font-size:13px;
  box-shadow:var(--shadow-ring)}
.tbl th,.tbl td{text-align:left;padding:12px 15px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);
  background:var(--paper-2);font-weight:600}
.tbl tr:last-child td{border-bottom:0}
.tbl tbody tr{transition:background .15s var(--ease)}
.tbl tbody tr:hover td{background:rgba(29,93,77,.025)}
.merchant-link{border:0;background:transparent;padding:0;color:var(--green);font-weight:600;
  text-align:left;cursor:pointer}
.merchant-link:hover{text-decoration:underline;text-underline-offset:2px}
.focused-merchant{display:flex;align-items:center;gap:8px;color:var(--ink-soft);font-size:13px;
  margin:20px 0 -10px}
.focused-merchant button{border:1px solid var(--line-strong);background:var(--card);color:var(--green);
  border-radius:999px;padding:4px 10px;cursor:pointer;font-size:11.5px}

/* ── workbench inputs ─────────────────────────────────────── */
.workbench{display:flex;gap:8px;margin-bottom:8px}
.workbench input{flex:1}
.workbench input,.workbench select,.filter-input{border:1px solid var(--line-strong);
  background:var(--card);padding:13px 15px;border-radius:var(--r-sm);outline:none;
  box-shadow:var(--shadow-ring);transition:.18s var(--ease)}
.workbench input:focus,.workbench select:focus,.filter-input:focus{
  border-color:var(--green);box-shadow:0 0 0 4px var(--green-soft)}
.workbench select{min-width:170px}
.workbench button{border:0;background:var(--ink);color:var(--paper-2);padding:0 24px;
  border-radius:var(--r-sm);font-weight:600;font-size:14.5px;cursor:pointer;transition:.2s var(--ease)}
.workbench button:hover{background:var(--green)}
.workbench button:active{transform:scale(.98)}
.filter-input{width:100%;margin-bottom:20px}

/* ── cards view ───────────────────────────────────────────── */
.card-layout{display:grid;grid-template-columns:300px 1fr;gap:22px;align-items:start}
.card-list{display:grid;gap:7px;max-height:72vh;overflow:auto;padding-right:4px}
.card-row{text-align:left;border:1px solid var(--line);background:var(--card);border-radius:12px;
  padding:12px 14px;cursor:pointer;transition:.18s var(--ease)}
.card-row:hover{border-color:var(--green);transform:translateX(2px)}
.card-row.active{border-color:var(--green);background:var(--green-soft);
  box-shadow:inset 3px 0 0 var(--green)}
.card-row b{display:block;font-size:13.5px;font-weight:600;letter-spacing:-.01em}
.card-row span{font-size:11.5px;color:var(--muted)}
.card-detail{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:28px;box-shadow:var(--shadow),var(--shadow-ring);min-height:220px}
.card-detail h3{font-family:var(--serif);font-weight:500;font-size:27px;margin-bottom:5px;
  letter-spacing:-.015em;font-optical-sizing:auto}
.card-detail .sub{color:var(--muted);font-size:13px;margin-bottom:20px;
  font-family:var(--serif);font-style:italic}
.kv{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.subhead{font-size:10.5px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);
  margin:26px 0 11px;font-weight:600;padding-bottom:7px;border-bottom:1px solid var(--line)}

/* ── MCC earn categories ──────────────────────────────────── */
.mcc-cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:9px;margin-bottom:4px}
.mcc-cat-chip{background:var(--green-soft);border:1px solid rgba(29,93,77,.15);border-radius:11px;
  padding:11px 14px;transition:.18s var(--ease);cursor:default}
.mcc-cat-chip:hover{border-color:var(--green);transform:translateY(-1px)}
.mcc-cat-name{display:block;font-weight:600;font-size:12.5px;color:var(--green-deep);margin-bottom:3px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mcc-cat-count{font-size:11px;color:var(--muted)}

/* ── MCC exclusion groups ─────────────────────────────────── */
.excl-list{display:grid;gap:9px}
.excl-group{background:var(--paper-2);border:1px solid var(--line);border-radius:11px;
  padding:12px 15px;transition:.15s var(--ease)}
.excl-group:hover{border-color:var(--line-strong)}
.excl-snippet{font-size:12.5px;color:var(--ink-soft);line-height:1.55;margin-bottom:8px;font-style:italic}
.mcc-chips{display:flex;flex-wrap:wrap;gap:5px}
.mcc-chip{font-size:10.5px;font-family:ui-monospace,"SF Mono","Fira Code",monospace;
  background:var(--paper);border:1px solid var(--line-strong);color:var(--ink-soft);
  border-radius:5px;padding:2px 7px;letter-spacing:.03em;cursor:default}
.mcc-chip--more{color:var(--muted);background:transparent;border-style:dashed}

/* ── T&C mention notes ────────────────────────────────────── */
.mention-details{margin-top:4px}
.mention-details summary{font-size:13px;color:var(--muted);cursor:pointer;padding:6px 0;
  list-style:none;display:flex;align-items:center;gap:6px;user-select:none}
.mention-details summary::-webkit-details-marker{display:none}
.mention-details summary::before{content:"▶";font-size:9px;transition:transform .2s}
.mention-details[open] summary::before{transform:rotate(90deg)}
.mention-details .excl-list{margin-top:10px}

.empty{color:var(--muted);font-size:14px;padding:26px 0;font-family:var(--serif);font-style:italic}
.loading{color:var(--muted);font-size:14px;font-family:var(--serif);font-style:italic}

.foot{max-width:1000px;margin:0 auto;padding:26px 24px;display:flex;justify-content:space-between;
  align-items:center;color:var(--muted);font-size:12px;border-top:1px solid var(--line)}
.foot a{font-family:var(--serif);font-style:italic}

@media(max-width:760px){
  .topnav{display:none}
  .hero{padding:48px 0 26px}
  .hero h1{font-size:46px}
  .statstrip{grid-template-columns:repeat(2,1fr)}
  .card-layout{grid-template-columns:1fr}
  .card-list{max-height:none}
  .workbench{flex-wrap:wrap}.workbench select{min-width:0;flex:1}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}