:root{
  --paper:#AFA299;--paper-glow:#D0C2B2;--paper-mid:#BCAD9F;--oat:#EFEBE2;--porcelain:#F4EDDF;--card-bg:#F1E9DA;--card-2bg:#F7F1E6;
  --nav-bar:#F4ECDD;--mega:#FBF6EC;--cream:#FDE3CF;--band-butter:#F1DD93;
  --ink:#2A1B0E;--ink-soft:#5A3A22;--muted:#6B4A2F;--faint:#8B6A4C;--line:#C7A98D;--line-soft:rgba(80,50,25,.12);
  --espresso:#22110A;--on:#FCE9D6;--on-mut:#E7C7A8;
  --orange:#C0501E;--orange-deep:#A8431A;--cta:#3A2113;--on-cta:#F7EEE0;--mustard:#F2C24C;--gold-btn:#EFD98A;
  --ok:#2F6A48;--ok-bg:#E7ECDA;--err:#9E2A1E;--err-bg:#F6DCD5;
  --sh-sm:0 4px 14px rgba(50,25,10,.12);--sh-card:0 20px 54px rgba(50,25,10,.15);--sh-lift:0 34px 74px rgba(50,25,10,.22);
  --sh-float:0 22px 50px rgba(40,20,8,.22),0 1px 3px rgba(0,0,0,.05);--sh-btn:0 9px 22px rgba(40,18,6,.28);
  --e-out:cubic-bezier(.16,1,.3,1);--e-spring:cubic-bezier(.34,1.4,.64,1);
  --disp:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;margin:0}
html,body,#app{height:100%}
body{font-family:var(--body);color:var(--ink);background:radial-gradient(125% 110% at 72% 0%,var(--paper-glow) 0%,var(--paper-mid) 55%,var(--paper) 100%) fixed;-webkit-font-smoothing:antialiased;user-select:none;-webkit-user-select:none;overflow:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:.045;mix-blend-mode:multiply;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>")}
button,input,select,textarea{font:inherit;color:inherit}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--orange-deep);outline-offset:4px}
.wm{height:22px;width:auto;display:block}
.wm.sm{height:18px}
.eyebrow{font:700 12px/1.2 var(--disp);letter-spacing:.14em;text-transform:uppercase;color:var(--orange-deep)}
.sub{color:var(--ink-soft);line-height:1.55;font-size:16px}
.arr{display:inline-block;transition:transform .5s var(--e-spring)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:12px;border:0;background:var(--cta);color:var(--on-cta);font:600 15px/1.2 var(--disp);cursor:pointer;text-decoration:none;box-shadow:var(--sh-btn);transition:transform .5s var(--e-out),box-shadow .5s var(--e-out)}
.btn .arr{color:var(--mustard)}
.btn:hover{transform:translateY(-2px)}.btn:hover .arr{transform:translate(3px,-3px)}
.btn:active{transform:scale(.98);transition-duration:80ms}
.btn.ghost{background:var(--oat);color:var(--ink);box-shadow:var(--sh-sm),inset 0 0 0 1px var(--line-soft)}
.btn.ghost .arr{color:var(--orange)}
.btn.gold{background:var(--gold-btn);color:var(--cta);box-shadow:var(--sh-sm)}
.btn.gold .arr{color:var(--cta)}
.link{background:none;border:0;color:var(--muted);text-decoration:underline;text-underline-offset:3px;cursor:pointer;font-size:14px;padding:6px 0}
.err{color:var(--err);font-size:14px;min-height:20px}
.hint{color:var(--faint);font-size:12.5px}

/* clouds */
.cloud{position:fixed;width:900px;max-width:90vw;opacity:.42;pointer-events:none;z-index:0;animation:drift 140s linear infinite}
.cloud.c1{top:-8%;left:-30%}
.cloud.c2{bottom:-22%;right:-35%;width:1100px;opacity:.3;animation-duration:175s;animation-direction:reverse}
@keyframes drift{from{transform:translateX(0)}to{transform:translateX(40vw)}}

/* gate */
.gate{position:relative;z-index:1;min-height:100%;display:grid;place-items:center;padding:24px 16px;overflow:auto}
.gate-card{width:100%;max-width:440px;background:var(--mega);border:1px solid var(--line-soft);border-radius:22px;padding:36px 34px 28px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--sh-lift);animation:up 1.05s var(--e-out) both}
@keyframes up{from{opacity:0;transform:translateY(34px)}to{opacity:1;transform:none}}
.gate-card .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.lockpill{display:inline-flex;align-items:center;gap:6px;font:700 11px/1 var(--disp);letter-spacing:.12em;text-transform:uppercase;color:var(--ok);background:var(--ok-bg);border-radius:999px;padding:7px 11px}
.lockpill svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:2.2}
.gate-card h1{font:700 34px/1.04 var(--disp);letter-spacing:-.035em;text-wrap:balance}
.gate-card form{display:flex;flex-direction:column;gap:12px;margin-top:8px}
.gate-card .btn{width:100%;margin-top:4px}
.f{display:flex;flex-direction:column;gap:7px;font:600 13px var(--disp);color:var(--ink-soft)}
.f input{border-radius:12px;border:1px solid var(--line-soft);padding:13px 16px;background:var(--card-2bg);font:400 15px var(--body);color:var(--ink);user-select:text;-webkit-user-select:text;transition:border-color .2s,box-shadow .2s}
.f input::placeholder{color:#a88f78}
.f input:focus{outline:none;border-color:var(--orange-deep);box-shadow:0 0 0 3px rgba(168,67,26,.14)}
.f input.code{letter-spacing:.5em;font:700 24px var(--disp);text-align:center;font-variant-numeric:tabular-nums}
.fine{font-size:12.5px;color:var(--faint);border-top:1px solid var(--line-soft);padding-top:16px;margin-top:6px;display:flex;gap:8px;align-items:center}
.fine img{width:18px;height:18px;border-radius:5px}

/* viewer */
.viewer{position:relative;z-index:1;height:100%;display:flex;flex-direction:column;padding:14px 16px 16px;gap:12px}
.bar{height:60px;flex:none;display:flex;align-items:center;justify-content:space-between;padding:0 12px 0 20px;background:var(--nav-bar);border-radius:16px;box-shadow:0 10px 30px rgba(50,25,10,.12);border:1px solid var(--line-soft);gap:12px;max-width:1280px;width:100%;margin:0 auto}
.bl{display:flex;align-items:center;gap:14px;min-width:0}
.sep{width:1px;height:20px;background:var(--line-soft)}
.vt{font:600 14px var(--disp);color:var(--ink-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.br{display:flex;align-items:center;gap:8px}
.ib{height:40px;min-width:40px;padding:0 12px;border-radius:12px;border:1px solid var(--line-soft);background:var(--oat);display:inline-flex;align-items:center;justify-content:center;gap:7px;cursor:pointer;font:600 14px var(--disp);color:var(--ink);text-decoration:none;transition:transform .5s var(--e-out),box-shadow .5s var(--e-out)}
.ib:hover{transform:translateY(-2px);box-shadow:var(--sh-sm)}
.ib.dark{background:var(--cta);color:var(--on-cta);border-color:transparent}
.ib svg,.nav svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
#docSel{height:40px;border-radius:12px;border:1px solid var(--line-soft);padding:0 10px;background:var(--oat);font:600 14px var(--disp);max-width:220px}
.stage{flex:1;min-height:0;position:relative;display:flex;align-items:center;justify-content:center;padding:8px 76px}
.slide{position:relative;background:#fff;box-shadow:var(--sh-lift);border-radius:18px;overflow:hidden}
.slide img{width:100%;height:100%;object-fit:contain;display:block;opacity:0;transition:opacity .35s var(--e-out);pointer-events:none}
.slide img.on{opacity:1}
.shield{position:absolute;inset:0;cursor:pointer}
.wm-layer{position:absolute;inset:0;pointer-events:none;background-repeat:repeat}
.spin{position:absolute;left:50%;top:50%;width:28px;height:28px;margin:-14px;border:2.5px solid #eadfcd;border-top-color:var(--orange);border-radius:50%;animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.nav{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;border-radius:50%;border:1px solid var(--line-soft);background:var(--mega);display:grid;place-items:center;cursor:pointer;color:var(--ink);box-shadow:var(--sh-sm);transition:opacity .2s,transform .5s var(--e-spring)}
.nav:hover:not(:disabled){transform:translateY(-50%) scale(1.06)}
.nav:disabled{opacity:.35;cursor:default}
.prev{left:14px}.next{right:14px}
.end{position:absolute;inset:8px 76px;display:grid;place-items:center}
.end-card{position:relative;overflow:hidden;background:var(--espresso);color:var(--on);border-radius:24px;padding:52px 44px;max-width:560px;width:100%;display:flex;flex-direction:column;gap:16px;text-align:center;align-items:center;box-shadow:var(--sh-lift);animation:up 1.05s var(--e-out) both}
.end-card .cloud{position:absolute;opacity:.14;width:700px;top:-40%;left:-30%}
.end-card>*{position:relative}
.end-card .eyebrow{color:var(--mustard)}
.end-card h2{font:600 clamp(32px,4vw,46px)/1.02 var(--disp);letter-spacing:-.035em;text-wrap:balance}
.end-card .sub{color:var(--on-mut)}
.end-card .btn.ghost{background:rgba(252,233,214,.08);color:var(--on);box-shadow:inset 0 0 0 1px rgba(252,233,214,.18)}
.end-card .btn.ghost .arr{color:#F0A472}
.end-card .link{color:var(--on-mut)}
.end-card .sign{font:500 13px var(--disp);color:rgba(252,233,214,.5);margin-top:6px}
.row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:8px}
.foot{flex:none;max-width:1280px;width:100%;margin:0 auto;display:flex;align-items:center;gap:16px}
.counter{font:800 14px var(--disp);color:var(--ink);font-variant-numeric:tabular-nums;background:var(--nav-bar);border:1px solid var(--line-soft);border-radius:999px;padding:8px 14px;white-space:nowrap}
.progress{flex:1;height:4px;background:rgba(42,27,14,.12);border-radius:999px;overflow:hidden}
.progress div{height:100%;background:linear-gradient(90deg,#EC6426,#F8A91F);width:0;transition:width .5s var(--e-out);border-radius:999px}
.foot .hint{color:var(--ink-soft)}

.modal{position:fixed;inset:0;background:rgba(34,17,10,.45);display:grid;place-items:center;padding:16px;z-index:10;backdrop-filter:blur(3px)}
.modal-card{background:var(--mega);border-radius:22px;padding:28px;width:100%;max-width:480px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--sh-lift);animation:up .6s var(--e-out) both}
.modal-card h3{font:700 22px/1.1 var(--disp);letter-spacing:-.02em}
.modal-card textarea{border:1px solid var(--line-soft);border-radius:12px;padding:13px 16px;resize:vertical;font:400 15px/1.5 var(--body);background:var(--card-2bg);user-select:text;-webkit-user-select:text}
.modal-card textarea:focus{outline:none;border-color:var(--orange-deep);box-shadow:0 0 0 3px rgba(168,67,26,.14)}
.end-row{justify-content:flex-end}
.ok{color:var(--ok);font-size:14px;font-weight:600}

@media (max-width:700px){
  .viewer{padding:10px 10px 12px;gap:10px}
  .bar{height:54px;padding:0 8px 0 14px}
  .stage{padding:0}
  .nav{display:none}
  .end{inset:0}
  .ib span,.foot .hint,.sep,.vt{display:none}
  .end-card{padding:34px 22px}
  .gate-card{padding:28px 22px 22px}
  .gate-card h1{font-size:28px}
  .slide{border-radius:12px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}