:root{
  --ink:#1a1a2e;
  --ink-soft:#3a3a4e;
  --muted:#8a8a99;
  --line:#ececf1;
  --bg:#ffffff;
  --green:#22c55e;
  --green-dark:#16a34a;
  --green-soft:#f0fdf4;
  --radius:16px;
  --shadow:0 1px 3px rgba(20,20,40,.06),0 8px 30px rgba(20,20,40,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}

/* Topbar */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 28px;
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(12px);
}
.logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);font-weight:700}
.logo-mark{color:var(--green);font-size:22px;line-height:1}
.logo-text{font-size:18px;letter-spacing:-.02em}
.link-btn{
  background:none;border:none;cursor:pointer;
  font:inherit;font-size:14px;font-weight:500;color:var(--ink-soft);
  padding:8px 12px;border-radius:10px;transition:background .15s,color .15s;
}
.link-btn:hover{background:#f4f4f7;color:var(--ink)}

/* Hero */
.hero{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 24px 80px}
.hero-inner{width:100%;max-width:680px;text-align:center}
.headline{
  font-size:clamp(34px,6vw,56px);
  font-weight:800;letter-spacing:-.03em;line-height:1.05;
  margin-bottom:18px;
}
.subline{font-size:clamp(16px,2.4vw,20px);color:var(--ink-soft);margin-bottom:40px;font-weight:400}

.search{display:flex;flex-direction:column;gap:14px;margin-bottom:32px}
.search-box{
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1.5px solid var(--line);
  border-radius:var(--radius);padding:0 18px;
  box-shadow:var(--shadow);
  transition:border-color .15s,box-shadow .15s;
}
.search-box:focus-within{border-color:var(--green);box-shadow:0 0 0 4px rgba(34,197,94,.12)}
.search-icon{color:var(--muted);flex-shrink:0}
#q{
  flex:1;border:none;outline:none;background:none;
  font:inherit;font-size:17px;padding:18px 0;color:var(--ink);
}
#q::placeholder{color:var(--muted)}
.cta{
  background:var(--green);color:#fff;border:none;cursor:pointer;
  font:inherit;font-size:16px;font-weight:600;
  padding:16px 24px;border-radius:var(--radius);
  transition:background .15s,transform .08s;
}
.cta:hover{background:var(--green-dark)}
.cta:active{transform:scale(.99)}
.cta:disabled{opacity:.6;cursor:not-allowed}

.badges{display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:center}
.badge{font-size:14px;color:var(--ink-soft);display:inline-flex;align-items:center;gap:6px}
.badge b{color:var(--green);font-weight:700}

/* Results */
.results{flex:1;padding:24px 24px 80px}
.results-inner{max-width:880px;margin:0 auto}
.result-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:24px}
.result-head h2{font-size:clamp(22px,4vw,30px);font-weight:700;letter-spacing:-.02em;line-height:1.2}

.progress{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:28px}
.progress li{
  display:flex;align-items:center;gap:10px;
  font-size:15px;color:var(--ink-soft);
  padding:12px 16px;background:#fafafb;border:1px solid var(--line);border-radius:12px;
  animation:fadein .25s ease;
}
.progress li .ic{width:20px;text-align:center;flex-shrink:0}
.progress li.loading .ic{animation:spin 1s linear infinite;display:inline-block}
.progress li.done{color:var(--ink)}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fadein{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

.table-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:32px;animation:fadein .3s ease}
.price-table{width:100%;border-collapse:collapse;font-size:15px}
.price-table th{
  text-align:left;font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em;
  color:var(--muted);padding:14px 18px;background:#fafafb;border-bottom:1px solid var(--line);
}
.price-table td{padding:16px 18px;border-bottom:1px solid var(--line);vertical-align:middle}
.price-table tr:last-child td{border-bottom:none}
.price-table tr.best{background:var(--green-soft)}
.price-table tr.best .price{color:var(--green-dark);font-weight:700}
.shop-cell{display:flex;align-items:center;gap:10px;font-weight:600}
.best-badge{
  display:inline-block;font-size:11px;font-weight:700;color:#fff;background:var(--green);
  padding:3px 8px;border-radius:999px;letter-spacing:.02em;
}
.price{font-weight:600;white-space:nowrap}
.code-pill{
  display:inline-flex;align-items:center;gap:6px;cursor:pointer;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;font-weight:600;
  background:#f4f4f7;border:1px dashed #cfcfda;color:var(--ink);
  padding:5px 10px;border-radius:8px;transition:background .15s;
}
.code-pill:hover{background:#ececf1}
.code-pill.copied{background:var(--green-soft);border-color:var(--green);color:var(--green-dark)}
.code-none{color:var(--muted);font-size:14px}
.saving{color:var(--green-dark);font-weight:600;white-space:nowrap}
.shop-link{
  display:inline-flex;align-items:center;gap:4px;
  text-decoration:none;font-size:14px;font-weight:600;color:var(--ink);
  padding:8px 14px;border:1px solid var(--line);border-radius:10px;white-space:nowrap;transition:background .15s,border-color .15s;
}
.shop-link:hover{background:#fafafb;border-color:#d7d7e0}

.codes-block h3{font-size:18px;font-weight:700;margin-bottom:14px;letter-spacing:-.01em}
.code-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.code-card{border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:#fff}
.code-card .cc-shop{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600;margin-bottom:6px}
.code-card .cc-code{font-family:ui-monospace,Menlo,monospace;font-weight:700;font-size:15px;margin-bottom:4px;display:flex;align-items:center;gap:8px}
.code-card .cc-desc{font-size:13px;color:var(--ink-soft)}
.code-card .cc-exp{font-size:12px;color:var(--muted);margin-top:6px}
.copy-mini{cursor:pointer;font-size:12px;color:var(--green-dark);background:var(--green-soft);border:none;padding:2px 7px;border-radius:6px;font:inherit;font-weight:600}

.est-note{font-size:13px;color:var(--ink-soft);background:#fffbeb;border:1px solid #fde68a;border-radius:10px;padding:10px 14px;margin-bottom:16px;animation:fadein .25s ease}
.empty{padding:40px;text-align:center;color:var(--ink-soft);border:1px dashed var(--line);border-radius:var(--radius)}
.disclaimer{font-size:12px;color:var(--muted);margin-top:24px;text-align:center}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(20,20,40,.45);display:flex;align-items:center;justify-content:center;padding:24px;z-index:50;animation:fadein .2s ease}
.modal[hidden]{display:none}
.modal-card{background:#fff;border-radius:20px;max-width:480px;width:100%;padding:32px;position:relative;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.modal-card h3{font-size:22px;font-weight:700;margin-bottom:18px}
.modal-card ol{padding-left:20px;display:flex;flex-direction:column;gap:14px;margin-bottom:18px}
.modal-card li{font-size:15px;color:var(--ink-soft);line-height:1.5}
.modal-card li b{color:var(--ink)}
.muted{color:var(--muted);font-size:14px}
.modal-close{position:absolute;top:16px;right:18px;border:none;background:none;font-size:28px;line-height:1;color:var(--muted);cursor:pointer}
.modal-close:hover{color:var(--ink)}

/* Footer */
.footer{padding:24px;text-align:center;font-size:13px;color:var(--muted)}

@media(max-width:640px){
  .topbar{padding:16px 18px}
  .results{padding:16px 16px 60px}
  .price-table{font-size:14px}
  .price-table th:nth-child(4),.price-table td:nth-child(4){display:none}
  .price-table th,.price-table td{padding:12px 10px}
  .shop-link{padding:7px 10px}
}