:root{--paper:#f4f1ea;--ink:#16191d;--mute:#6b6f76;--line:#dcd7cb;--card:#fffdf8;--acc:#1c5d4a;--acc2:#e9f1ec;--hi:#d9480f;--r:14px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.5 ui-sans-serif,-apple-system,"SF Pro Text","Inter",system-ui,sans-serif;overflow-x:hidden}
button,input{font:inherit;color:inherit}
.top{display:flex;justify-content:space-between;align-items:center;padding:14px max(18px,env(safe-area-inset-left));border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--paper);z-index:20}
.brand{font-weight:650;letter-spacing:-.01em;display:flex;gap:9px;align-items:center}
.mark{width:18px;height:22px;background:var(--acc);border-radius:3px 7px 3px 3px;position:relative}
.mark:after{content:"";position:absolute;left:4px;right:4px;top:7px;height:2px;background:var(--paper);box-shadow:0 5px 0 var(--paper)}
nav{display:flex;background:#e8e3d6;border-radius:99px;padding:3px}
.seg{border:0;background:none;padding:6px 16px;border-radius:99px;cursor:pointer;font-weight:550}
.seg.on{background:var(--ink);color:var(--paper)}
.hero{max-width:760px;margin:0 auto;padding:clamp(36px,8vw,88px) 20px 24px}
.eyebrow{font:600 12px/1 ui-monospace,Menlo,monospace;text-transform:uppercase;letter-spacing:.12em;color:var(--acc);margin:0 0 18px}
h1{font-size:clamp(34px,6.4vw,64px);line-height:1.02;letter-spacing:-.035em;margin:0 0 18px;font-weight:700}
.lede{font-size:18px;color:#3a3f46;max-width:56ch;margin:0 0 28px}
.drop{display:flex;flex-direction:column;gap:4px;border:2px dashed #b9b2a0;border-radius:var(--r);padding:30px 24px;background:var(--card);cursor:pointer;transition:.15s}
.drop:hover,.drop.over{border-color:var(--acc);background:var(--acc2)}
.drop input{position:absolute;opacity:0;width:1px;height:1px}
.drop strong{font-size:20px}.drop span{color:var(--mute);font-size:14px}
.alt{color:var(--mute);margin:14px 2px}
.link{background:none;border:0;padding:0;text-decoration:underline;text-underline-offset:3px;cursor:pointer;color:var(--acc);font-weight:550}
.saved,.steps{max-width:760px;margin:0 auto;padding:12px 20px}
.saved h2{font-size:13px;font-family:ui-monospace,Menlo,monospace;text-transform:uppercase;letter-spacing:.1em;color:var(--mute);font-weight:600}
.saved ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.saved li{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.saved li button.open{flex:1;text-align:left;background:none;border:0;cursor:pointer;font-weight:600;padding:8px 0;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.saved li small{color:var(--mute)}
.del{background:none;border:0;color:var(--mute);cursor:pointer;padding:8px}
.steps ol{list-style:none;padding:0;margin:20px 0 60px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.steps li{border-top:2px solid var(--ink);padding-top:12px;display:flex;flex-direction:column;gap:6px}
.steps b{font:600 13px ui-monospace,Menlo,monospace;color:var(--acc)}
.steps span{font-size:15px}
@media(max-width:640px){.steps ol{grid-template-columns:1fr}.steps li{flex-direction:row;gap:12px}}
.btn{border:1px solid var(--ink);background:var(--card);border-radius:10px;padding:9px 16px;cursor:pointer;font-weight:600;text-decoration:none;display:inline-block;min-height:44px;line-height:1.6}
.btn.primary{background:var(--acc);border-color:var(--acc);color:#fff}
.btn.ghost{border-color:var(--line);background:transparent}
.bar{position:sticky;top:57px;z-index:15;display:flex;flex-wrap:wrap;gap:10px 14px;align-items:center;justify-content:space-between;padding:10px 18px;background:rgba(244,241,234,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar-l,.bar-r,.tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.name{border:1px solid transparent;background:transparent;border-radius:8px;padding:8px;font-weight:650;width:min(220px,40vw)}
.name:focus{border-color:var(--line);background:var(--card);outline:none}
.tool{border:1px solid var(--line);background:var(--card);border-radius:99px;padding:8px 14px;cursor:pointer;min-height:40px;font-weight:550}
.tool.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.hint{font-size:13px;color:var(--mute)}
body.fill .tools{display:none}
.pages{display:flex;flex-direction:column;align-items:center;gap:18px;padding:20px 12px 80px}
.page{position:relative;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.08),0 10px 30px -12px rgba(40,30,10,.35);max-width:100%;touch-action:pan-y}
.page canvas{display:block;width:100%;height:100%}
.ovl{position:absolute;inset:0}
body.setup .ovl{cursor:crosshair}
.f{position:absolute;border:1.5px solid rgba(28,93,74,.0);background:rgba(28,93,74,.0)}
body.setup .f{border:1.5px dashed var(--acc);background:rgba(28,93,74,.10);cursor:move;touch-action:none}
body.setup .f.sel{border-style:solid;background:rgba(28,93,74,.2)}
.f input[type=text],.f input.t{width:100%;height:100%;border:0;background:rgba(255,246,170,.45);padding:0 3px;font:inherit;outline:none;color:#0a2a8a}
.f input:focus{background:rgba(255,246,170,.85);box-shadow:0 0 0 2px var(--acc)}
body.setup .f input{pointer-events:none}
.f .chk{width:100%;height:100%;display:grid;place-items:center;background:rgba(255,246,170,.45);cursor:pointer;color:#0a2a8a;font-weight:800;border:0}
body.setup .f .chk{pointer-events:none}
.f .sg{width:100%;height:100%;background:rgba(255,246,170,.45) center/contain no-repeat;border:0;cursor:pointer;color:#6b6f76;font-size:12px}
body.setup .f .sg{pointer-events:none}
.rz,.dl{display:none;position:absolute;width:26px;height:26px;background:var(--acc);color:#fff;border-radius:50%;place-items:center;font-size:13px;cursor:pointer;border:2px solid #fff;touch-action:none}
.rz{right:-13px;bottom:-13px;cursor:nwse-resize}
.dl{right:-13px;top:-13px;background:var(--hi)}
body.setup .f.sel .rz,body.setup .f.sel .dl{display:grid}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:10px 18px;border-radius:99px;z-index:50;max-width:90vw;margin:0}
dialog{border:0;border-radius:18px;padding:22px;max-width:min(680px,92vw);width:100%;background:var(--card);box-shadow:0 30px 80px -20px rgba(0,0,0,.5)}
dialog::backdrop{background:rgba(20,18,12,.45)}
dialog h3{margin:0 0 10px;font-size:22px;letter-spacing:-.02em}
#sigPad{width:100%;height:auto;aspect-ratio:8/3;background:#fff;border:1px dashed #b9b2a0;border-radius:10px;touch-action:none;display:block}
.row{display:flex;gap:8px;margin-top:14px;align-items:center;flex-wrap:wrap}.sp{flex:1}
footer{max-width:760px;margin:0 auto;padding:30px 20px 50px;color:var(--mute);font-size:13px}
@media(max-width:640px){.bar{top:57px}.name{width:100%}.bar-l{width:100%}.bar-l .btn{flex:none}}
[hidden]{display:none!important}
.hint{text-align:center;margin:12px 16px 0;font-size:14px;color:var(--mute)}
.hint:empty{display:none}
.tools{flex:1;justify-content:center}
@media(max-width:640px){.tools{justify-content:flex-start}.bar-r{width:100%}.bar-r .btn{flex:1}}
body.setup .f input.t{background:transparent;color:transparent}
footer .made{display:inline-block;margin-top:10px;font-size:12px}
footer .made a{color:inherit}