:root{
  --bg:#0d0b0a; --bg2:#1b1714; --fg:#f4f1ec; --muted:#9a948d; --dim:#6b655f; --line:rgba(255,255,255,.08);
  --pill:rgba(255,255,255,.04); --pill-b:rgba(255,255,255,.08); --orange:#ff8a3d; --orange2:#ff6a1a; --green:#3ad07a; --blue:#0052ff;
  --card-w:clamp(160px,15.5vw,212px); --card-h:calc(var(--card-w)*1.2);
  --serif:'Playfair Display',Georgia,'Times New Roman',serif; --sans:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
[data-theme=light]{
  --bg:#f3efe9; --bg2:#fffdf9; --fg:#171411; --muted:#6c655d; --dim:#9b948b; --line:rgba(0,0,0,.08);
  --pill:rgba(0,0,0,.035); --pill-b:rgba(0,0,0,.08);
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);-webkit-font-smoothing:antialiased}
body{min-height:100vh;overflow-x:hidden}
.vignette{position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(ellipse 60% 55% at 50% 48%,var(--bg2) 0%,var(--bg) 70%),var(--bg)}
[data-theme=dark] .vignette::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 52%,rgba(0,82,255,.07),transparent 45%)}
main,header,footer{position:relative;z-index:1}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:8px}

/* top */
.top{display:flex;justify-content:center;padding:14px 16px 0}
.pill-nav{display:flex;align-items:center;gap:18px;padding:6px 8px 6px 16px;border-radius:999px;background:var(--pill);border:1px solid var(--pill-b);backdrop-filter:blur(8px)}
.brand{display:flex;align-items:center;gap:8px;font-weight:600;font-size:17px;letter-spacing:-.02em;color:var(--fg);text-decoration:none;margin-right:6px}
.brand-mark{width:15px;height:15px;border-radius:4px;background:var(--blue);box-shadow:0 0 12px rgba(0,82,255,.6)}
.nav-link{font-size:12.5px;color:var(--muted);text-decoration:none;background:none;border:0;padding:4px 0}
.nav-link.is-active{color:var(--fg);font-weight:500}
.avatar{width:24px;height:24px;border-radius:50%;background:conic-gradient(from 200deg,#0052ff,#6ea0ff,#ff8a3d,#0052ff);border:2px solid var(--pill-b)}
.theme-toggle{position:absolute;right:18px;top:16px;display:flex;align-items:center;gap:6px;padding:3px 3px 3px 8px;border-radius:999px;border:1px solid var(--pill-b);background:var(--pill);color:var(--muted)}
.theme-toggle .knob{width:20px;height:20px;border-radius:50%;background:var(--fg);transition:transform .3s}
[data-theme=light] .theme-toggle .knob{transform:translateX(-2px)}

/* hero */
.hero{text-align:center;padding:18px 20px 0;max-width:640px;margin:0 auto}
.eyebrow{display:flex;align-items:center;justify-content:center;gap:12px;font-size:9.5px;letter-spacing:.22em;color:var(--muted);margin:0 0 6px;text-transform:uppercase}
.eyebrow .rule{width:44px;height:1px;background:var(--line);background:linear-gradient(90deg,transparent,var(--dim),transparent)}
.star{color:var(--orange);font-size:10px}
.headline{font-family:var(--serif);font-weight:500;font-size:clamp(40px,5vw,60px);line-height:1.02;letter-spacing:-.02em;margin:2px 0 10px}
.sub{color:var(--muted);font-size:13px;line-height:1.6;margin:0 auto;max-width:500px}
.check{display:flex;align-items:center;gap:6px;max-width:440px;margin:14px auto 0;padding:5px 5px 5px 18px;border-radius:999px;background:var(--pill);border:1px solid var(--pill-b);transition:border-color .2s,box-shadow .2s}
.check:focus-within{border-color:rgba(255,138,61,.55);box-shadow:0 0 0 4px rgba(255,138,61,.08)}
.check input{flex:1;min-width:0;background:none;border:0;outline:0;color:var(--fg);font:500 13px/1 var(--sans);letter-spacing:.01em}
.check input::placeholder{color:var(--dim)}
.btn-white{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:999px;background:#fff;color:#111;font-weight:500;font-size:13px;padding:10px 20px;box-shadow:0 6px 24px rgba(0,0,0,.25);transition:transform .15s,opacity .2s}
[data-theme=light] .btn-white{background:#111;color:#fff}
.btn-white:hover{transform:translateY(-1px)} .btn-white:active{transform:scale(.97)}
.btn-white:disabled{opacity:.45;cursor:not-allowed;transform:none}
.link-btn{background:none;border:0;color:var(--fg);font-size:13px;padding:8px 6px;opacity:.85}
.link-btn:hover{opacity:1} .link-btn:disabled{opacity:.35;cursor:not-allowed}
.form-row{display:flex;justify-content:center;align-items:center;gap:12px;min-height:26px;margin-top:2px;flex-wrap:wrap}
.form-row .link-btn{font-size:12px;color:var(--muted)}
.form-msg{margin:0;font-size:12px;color:var(--muted)}
.form-msg.err{color:#ff7a6b}

/* deck */
.stage{position:relative;overflow-x:clip;height:calc(var(--card-h) + 36px);margin-top:0;perspective:1100px;perspective-origin:50% 45%}
.deck{position:absolute;inset:0;touch-action:pan-y;cursor:grab;user-select:none;-webkit-user-select:none;outline:none}
.deck.dragging{cursor:grabbing}
.deck:focus-visible .card.is-center{outline:2px solid #fff;outline-offset:6px}
.card{position:absolute;left:50%;top:50%;width:var(--card-w);height:var(--card-h);margin:calc(var(--card-h)/-2) 0 0 calc(var(--card-w)/-2);
  border-radius:16px;overflow:hidden;will-change:transform,opacity;transform-style:preserve-3d;backface-visibility:hidden;
  box-shadow:0 30px 60px -20px rgba(0,0,0,.7);border:1.5px solid rgba(255,255,255,.06);background:#111}
.card.is-center{border-color:var(--orange);box-shadow:0 0 0 1px rgba(255,138,61,.35),0 0 38px rgba(255,138,61,.35),0 30px 70px -20px rgba(0,0,0,.8)}
.card .bg{position:absolute;inset:0}
.card .noise{position:absolute;inset:0;opacity:.18;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E")}
.card .shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.05) 40%,rgba(0,0,0,.45))}
.card .icon{position:absolute;left:50%;top:40%;width:56%;transform:translate(-50%,-50%);filter:drop-shadow(0 14px 22px rgba(0,0,0,.35))}
.card .icon svg{width:100%;height:auto;display:block}
.card .ctop{position:absolute;left:12px;right:12px;top:11px;display:flex;justify-content:space-between;font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.85);font-weight:600}
.card .cbot{position:absolute;left:12px;right:12px;bottom:12px;color:#fff}
.card .metric{font-family:var(--serif);font-size:clamp(24px,2.5vw,34px);line-height:1;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .unit{font-size:10.5px;opacity:.8;margin-top:4px}
.card .corner{position:absolute;right:8px;bottom:6px;font-size:10px;opacity:.6}
.card .bar{position:absolute;left:0;bottom:0;height:3px;background:rgba(255,255,255,.85);border-radius:0 3px 0 0}
.card.skeleton .bg{background:linear-gradient(110deg,#1c1a19 30%,#2a2624 50%,#1c1a19 70%);background-size:220% 100%;animation:shimmer 1.4s linear infinite}
[data-theme=light] .card.skeleton .bg{background:linear-gradient(110deg,#e6e0d8 30%,#f4efe8 50%,#e6e0d8 70%);background-size:220% 100%}
.card.skeleton .sk{position:absolute;left:12px;border-radius:6px;background:rgba(255,255,255,.08)}
@keyframes shimmer{to{background-position:-120% 0}}

/* detail */
.detail{text-align:center;padding:2px 20px 0;max-width:520px;margin:0 auto}
.meta{margin:0;font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);display:flex;gap:10px;justify-content:center;align-items:center}
.meta .rating{letter-spacing:.04em;color:var(--fg);font-size:11px}
.dot-sep{opacity:.4}
.title{font-family:var(--serif);font-weight:500;font-size:clamp(22px,2.3vw,28px);margin:6px 0 2px;letter-spacing:-.01em}
.value-line{margin:0;font-size:12.5px;color:var(--fg);opacity:.85;min-height:1.4em}
.tip{margin:3px auto 0;font-size:12px;color:var(--muted);max-width:420px;min-height:1.4em}
.tip:not(:empty)::before{content:"Tip · ";color:var(--orange)}
.price{display:flex;align-items:center;justify-content:center;gap:10px;margin:8px 0 10px}
.big-score{font-family:var(--serif);font-size:38px;line-height:1;font-variant-numeric:tabular-nums;min-width:1.2em}
.price-side{display:flex;flex-direction:column;align-items:flex-start;gap:2px;font-size:11px}
.strike{color:var(--dim);text-decoration:line-through;text-decoration-color:rgba(255,138,61,.0)}
.tier{color:var(--orange);font-weight:600;letter-spacing:.02em}
.tier[data-tier=Low]{color:#ff7a6b} .tier[data-tier=High]{color:#ffb03d} .tier[data-tier="Very High"]{color:var(--green)}
.cta{display:flex;justify-content:center;align-items:center;gap:14px}
.chips{display:flex;justify-content:center;gap:18px;list-style:none;padding:0;margin:12px 0 0;font-size:10.5px;color:var(--dim);flex-wrap:wrap}
.chips li{display:flex;align-items:center;gap:6px}
.green-dot{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}
.hint{text-align:center;color:var(--dim);font-size:11px;margin:16px 0 0;letter-spacing:.04em}
.hint span{opacity:.6;margin:0 6px}
.disclaimer{max-width:720px;margin:26px auto 0;padding:18px 20px 30px;border-top:1px solid var(--line);color:var(--dim);font-size:11px;line-height:1.6;text-align:center}
.disclaimer strong{color:var(--muted);font-weight:600}

/* modal */
.modal{border:1px solid var(--pill-b);border-radius:20px;padding:0;background:var(--bg2);color:var(--fg);width:min(560px,92vw);max-height:86vh}
.modal::backdrop{background:rgba(0,0,0,.6);backdrop-filter:blur(6px)}
.modal-inner{padding:22px 22px 18px}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.modal-head h3{font-family:var(--serif);font-weight:500;font-size:26px;margin:0}
.icon-btn{background:var(--pill);border:1px solid var(--pill-b);border-radius:50%;width:32px;height:32px}
.brk{list-style:none;margin:0;padding:0}
.brk li{display:grid;grid-template-columns:28px 1fr auto;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.brk .sw{width:28px;height:28px;border-radius:8px}
.brk .nm{font-size:13.5px;font-weight:500} .brk .ln{font-size:11.5px;color:var(--muted);margin-top:2px}
.brk .pt{font-family:var(--serif);font-size:17px;font-variant-numeric:tabular-nums;text-align:right}
.brk .meter{grid-column:2/4;height:3px;background:var(--line);border-radius:3px;overflow:hidden;margin-top:-4px}
.brk .meter i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),#6ea0ff)}
.brk .neg .meter i{background:#ff7a6b}
.modal .total{display:flex;justify-content:space-between;align-items:baseline;margin-top:14px;font-family:var(--serif);font-size:22px}
.modal .note{color:var(--dim);font-size:11px;line-height:1.5;margin-top:10px}
.modal .note a{color:var(--muted)}
.stocklist{font-size:11.5px;color:var(--muted);margin:6px 0 0 40px}
.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,20px);opacity:0;background:var(--fg);color:var(--bg);padding:9px 16px;border-radius:999px;font-size:12.5px;transition:.3s;z-index:10;pointer-events:none}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media (max-width:640px){
  :root{--card-w:min(54vw,220px)}
  .pill-nav{gap:12px;padding-left:12px} .brand{font-size:15px}
  .theme-toggle{top:auto;right:12px;top:16px}
  .top{justify-content:flex-start;padding-left:12px}
  .hero{padding-top:22px}
  .eyebrow{letter-spacing:.14em;gap:8px;font-size:9px}
  .eyebrow .rule{width:18px}
  :root{--card-h:calc(var(--card-w)*1.22)}
  .sub{font-size:13px}
  .chips{gap:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}