/* PaperSwoop — one calm working column; tool grid on the home page; premium shown as a gold seal. */
:root{
  --bg:#F2F4F8; --surface:#FFFFFF; --ink:#141A2E; --muted:#596079; --line:#D9DEEA;
  --accent:#2B4BE0; --accent-ink:#FFFFFF; --soft:#E7ECFC; --ok:#1B7748; --err:#B3261E;
  --gold:#9A6A00; --gold-soft:#FBF1D9; --scrim:rgba(14,18,32,.55); --paper:#FFFFFF; --paper-line:#C9CFDD;
  --display:"Bricolage Grotesque", "Avenir Next", "Segoe UI", sans-serif;
  --body:"Figtree", "Segoe UI", system-ui, sans-serif;
  --mono:"JetBrains Mono", ui-monospace, Menlo, monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0E1220; --surface:#161B2C; --ink:#E7EAF4; --muted:#9AA2BA; --line:#283049;
  --accent:#7D95FF; --accent-ink:#0E1220; --soft:#1D2542; --ok:#5CC98E; --err:#FF8A80;
  --gold:#E8B84A; --gold-soft:#2E2715; --scrim:rgba(0,0,0,.65); --paper:#FFFFFF; --paper-line:#3A4360; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0E1220; --surface:#161B2C; --ink:#E7EAF4; --muted:#9AA2BA; --line:#283049;
  --accent:#7D95FF; --accent-ink:#0E1220; --soft:#1D2542; --ok:#5CC98E; --err:#FF8A80;
  --gold:#E8B84A; --gold-soft:#2E2715; --scrim:rgba(0,0,0,.65); --paper:#FFFFFF; --paper-line:#3A4360; color-scheme:dark}

[hidden]{display:none!important}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.55;
  padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px))}
a{color:var(--accent)}
.wrap{max-width:820px;margin:0 auto;padding-block:24px 48px;display:flex;flex-direction:column;gap:28px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

.top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none}
.mark{position:relative;width:30px;height:36px;flex:none}
.mark i{position:absolute;width:24px;height:30px;border-radius:3px;border:2px solid var(--ink)}
.mark i:first-child{left:0;top:0;background:var(--surface)}
.mark i:last-child{left:6px;top:6px;background:var(--accent);border-color:var(--accent)}
.brand b{font-family:var(--display);font-weight:800;font-size:1.35rem;letter-spacing:-.01em}
.navr{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.navlink{color:var(--ink);font-weight:600;font-size:.92rem;text-decoration:none}
.navlink:hover{color:var(--accent)}

header{display:flex;flex-direction:column;gap:10px}
h1{font-family:var(--display);font-weight:800;font-size:clamp(1.9rem,5vw,2.6rem);line-height:1.08;letter-spacing:-.02em;margin:0;text-wrap:balance}
h2{font-family:var(--display);font-weight:600;font-size:1.3rem;margin:0;text-wrap:balance}
.lede{color:var(--muted);margin:0;max-width:60ch}
.lock{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;font-weight:600;color:var(--ok)}
.lock svg{width:15px;height:15px}
.badges{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

.seal{display:inline-flex;align-items:center;gap:6px;font:600 .72rem var(--body);text-transform:uppercase;letter-spacing:.09em;color:var(--gold);background:var(--gold-soft);padding:4px 9px;border-radius:999px;white-space:nowrap}
.seal svg{width:12px;height:12px}
.prem-btn{border:1px solid var(--gold);background:var(--gold-soft);color:var(--gold);font:600 .9rem var(--body);padding:8px 14px;border-radius:999px;cursor:pointer}
.linkish{border:0;background:none;color:var(--muted);font:500 .82rem var(--body);text-decoration:underline;cursor:pointer;padding:4px}

/* Tool grid */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.tcard{display:flex;flex-direction:column;gap:8px;padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--ink);text-decoration:none;transition:border-color .15s,transform .15s}
.tcard:hover{border-color:var(--accent);transform:translateY(-2px)}
.tcard .thead{display:flex;justify-content:space-between;align-items:center;gap:8px}
.tcard b{font-family:var(--display);font-weight:600;font-size:1.08rem}
.tcard p{margin:0;color:var(--muted);font-size:.9rem}
.tcard[aria-current="page"]{border-color:var(--ink)}
.chip{font:500 .68rem var(--mono);text-transform:uppercase;letter-spacing:.06em;padding:4px 7px;border-radius:5px;background:var(--soft);color:var(--accent);align-self:flex-start}

/* Desk */
.desk{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;display:flex;flex-direction:column;gap:18px}
.limit{font:400 .8rem var(--mono);color:var(--muted)}
.drop{position:relative;border:2px dashed var(--line);border-radius:12px;padding:28px 18px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer;transition:border-color .15s,background .15s}
.drop:hover,.drop.over{border-color:var(--accent);background:var(--soft)}
.drop:focus-within{outline:3px solid var(--accent);outline-offset:2px}
.drop input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}
.drop strong{font-weight:600}
.drop span{color:var(--muted);font-size:.88rem}
.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.list:empty{display:none}
.item{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--line);border-radius:10px}
.ext{font:500 .7rem var(--mono);text-transform:uppercase;letter-spacing:.06em;padding:4px 6px;border-radius:5px;background:var(--soft);color:var(--accent)}
.meta{min-width:0}
.name{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.size{font:400 .78rem var(--mono);color:var(--muted);font-variant-numeric:tabular-nums}
.tag{font:600 .7rem var(--body);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-left:6px}
.actions{display:flex;gap:4px}
.icon{border:1px solid var(--line);background:var(--surface);color:var(--ink);width:32px;height:32px;border-radius:8px;cursor:pointer;font-size:.9rem;line-height:1;flex:none}
.icon:hover{border-color:var(--ink)}
.icon:disabled{opacity:.35;cursor:default}
.opts{display:flex;flex-direction:column;gap:14px}
.opts:empty{display:none}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label,.flabel{font-weight:600;font-size:.95rem}
.field small{color:var(--muted)}
.inp{font:400 1rem var(--body);color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:10px 12px;width:100%}
.check{display:flex;align-items:center;gap:10px;font-weight:500}
.check input{width:18px;height:18px;accent-color:var(--accent)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.btn{border:0;border-radius:10px;padding:12px 20px;font:600 1rem var(--body);cursor:pointer;background:var(--accent);color:var(--accent-ink)}
.btn:disabled{opacity:.45;cursor:default}
.btn.gold{background:var(--gold);color:var(--surface)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--ink)}
.btn.sm{padding:7px 12px;font-size:.88rem}
.status{min-height:1.5em;font-size:.93rem;color:var(--muted)}
.status.ok{color:var(--ok)} .status.err{color:var(--err)}

/* Sign */
.seg{display:inline-flex;gap:4px;padding:3px;border:1px solid var(--line);border-radius:10px;align-self:flex-start}
.seg button{border:0;background:transparent;color:var(--muted);font:600 .9rem var(--body);padding:7px 14px;border-radius:7px;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.pad{display:block;width:100%;max-width:560px;aspect-ratio:600/180;background:var(--paper);border:1px solid var(--paper-line);border-radius:10px;touch-action:none;cursor:crosshair}
.sigfont{font-family:"Dancing Script", "Brush Script MT", cursive;font-size:1.6rem}
.stage{position:relative;width:100%;max-width:560px;border:1px solid var(--paper-line);border-radius:4px;background:var(--paper);overflow:hidden;cursor:copy}
.stage canvas{display:block;width:100%;height:auto}
.sigbox{position:absolute;outline:2px dashed var(--accent);outline-offset:2px;cursor:grab;touch-action:none;border-radius:2px}
.sigbox:active{cursor:grabbing}
.sigbox img{display:block;width:100%;height:auto;pointer-events:none;user-select:none}
.pager{display:flex;align-items:center;gap:10px}
.pager span{font:500 .85rem var(--mono);color:var(--muted);font-variant-numeric:tabular-nums}
input[type=range]{accent-color:var(--accent);width:100%;max-width:280px}

.ad{border:1px dashed var(--line);border-radius:12px;min-height:90px;display:flex;align-items:center;justify-content:center;color:var(--muted);font:500 .75rem var(--body);text-transform:uppercase;letter-spacing:.1em}
.upsell{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;border:1px solid var(--gold);background:var(--gold-soft);border-radius:14px;padding:18px 20px}
.upsell h3{font-family:var(--display);font-weight:600;margin:0 0 4px;font-size:1.1rem}
.upsell p{margin:0;font-size:.93rem;max-width:52ch}
@media (max-width:560px){.upsell{grid-template-columns:1fr}}

/* Content */
.guide{display:flex;flex-direction:column;gap:12px}
.guide p{margin:0;color:var(--muted);max-width:66ch}
.steps{margin:0;padding:0;list-style:none;counter-reset:s;display:flex;flex-direction:column;gap:10px}
.steps li{counter-increment:s;position:relative;padding-left:38px;min-height:24px;max-width:66ch}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;font:600 .8rem var(--mono);width:24px;height:24px;border-radius:50%;background:var(--soft);color:var(--accent);display:inline-flex;align-items:center;justify-content:center}
.how{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.how div{display:flex;flex-direction:column;gap:4px}
.how h3{font-family:var(--display);font-weight:600;font-size:1rem;margin:0}
.how p{margin:0;color:var(--muted);font-size:.92rem}
@media (max-width:620px){.how{grid-template-columns:1fr}}
.faq{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary{cursor:pointer;font-weight:600}
.faq p{margin:8px 0 0;color:var(--muted);max-width:64ch}
.sectlabel{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;font-weight:600;color:var(--muted);margin:0;padding-top:18px}
section > .sectlabel:first-child{padding-top:0}
footer{font-size:.82rem;color:var(--muted);display:flex;flex-direction:column;gap:8px;border-top:1px solid var(--line);padding-top:18px}
footer nav{display:flex;flex-wrap:wrap;gap:6px 16px}
footer a{color:var(--muted)}

/* Upgrade sheet */
.scrim{position:fixed;inset:0;background:var(--scrim);display:flex;align-items:flex-start;justify-content:center;overflow-y:auto;z-index:20;
  padding:max(24px, env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) max(24px, env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px))}
.sheet{background:var(--surface);border:1px solid var(--line);border-radius:18px;max-width:620px;width:100%;padding:24px;display:flex;flex-direction:column;gap:18px;margin-block:auto}
.sheet-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.sheet h2{font-weight:800;font-size:1.6rem;margin:6px 0 0;letter-spacing:-.01em}
.reason{margin:0;padding:10px 12px;border-radius:9px;background:var(--soft);font-size:.92rem}
.perks{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 16px}
.perks li{display:flex;gap:8px;font-size:.93rem}
.perks li::before{content:"✓";color:var(--ok);font-weight:700}
@media (max-width:520px){.perks{grid-template-columns:1fr}}
.plans{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (max-width:460px){.plans{grid-template-columns:1fr}}
.plan{border:1px solid var(--line);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:6px;text-decoration:none;color:var(--ink)}
.plan.best{border:2px solid var(--gold)}
.plan .pname{font-weight:600}
.plan .price{font-family:var(--display);font-weight:800;font-size:1.8rem;font-variant-numeric:tabular-nums}
.plan .price small{font:500 .85rem var(--body);color:var(--muted)}
.plan .note{font-size:.82rem;color:var(--muted)}
.plan .go{margin-top:6px;text-align:center;padding:10px;border-radius:9px;font-weight:600;background:var(--ink);color:var(--bg)}
.plan.best .go{background:var(--gold);color:var(--surface)}
.keyrow{display:flex;gap:8px;flex-wrap:wrap}
.keyrow .inp{flex:1 1 220px;width:auto;font-family:var(--mono);font-size:.9rem}
.small{font-size:.82rem;color:var(--muted);margin:0}
.notice{font-size:.85rem;color:var(--err);margin:0}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* Legal pages */
.legal{display:flex;flex-direction:column;gap:12px;max-width:66ch}
.legal h2{font-family:var(--display);font-weight:600;font-size:1.2rem;margin:14px 0 0}
.legal p,.legal ul{margin:0;color:var(--muted)}
.legal ul{padding-left:20px;display:flex;flex-direction:column;gap:6px}
.legal strong{color:var(--ink)}
.updated{font:500 .8rem var(--mono);color:var(--muted);margin:0}