:root{
  --bg:#f4f6fb; --card:#ffffff; --ink:#111827; --muted:#4b5563; --line:#d9deea;
  --primary:#2743c7; --primary-ink:#ffffff; --primary-soft:#e7ecff;
  --ok:#137a45; --ok-soft:#e3f6ea; --warn:#9a5b00; --warn-soft:#fff3dc; --bad:#b42318;
  --radius:16px; --tap:52px;
  --safe-b:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root{ --bg:#0f1320; --card:#181d2e; --ink:#eef1f8; --muted:#b4bccf; --line:#2d3550;
    --primary:#6d87ff; --primary-ink:#0b1030; --primary-soft:#232c55; --ok:#4ad08a; --ok-soft:#163323; --warn:#ffc061; --warn-soft:#33270f; --bad:#ff8a80; }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink)}
img{max-width:100%}
a{color:var(--primary)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:99}
[hidden]{display:none!important}

.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:10px 16px;padding-top:calc(10px + env(safe-area-inset-top,0px));background:var(--card);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem}
.brand img{border-radius:9px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text small{font-size:.68rem;font-weight:600;color:var(--muted);letter-spacing:.02em}
.topbar-right{display:flex;align-items:center;gap:10px}
.private-badge{font-size:.85rem;color:var(--ok);background:var(--ok-soft);padding:6px 10px;border-radius:999px;white-space:nowrap}
.btn-pro{min-height:40px;padding:0 14px;border-radius:999px;border:2px solid var(--primary);background:transparent;color:var(--primary);font-weight:700;font-size:.95rem;cursor:pointer}
.btn-pro.is-pro{background:var(--ok-soft);border-color:var(--ok);color:var(--ok)}

.layout{display:block}
main{max-width:760px;margin:0 auto;padding:16px 16px calc(96px + var(--safe-b))}
h1{font-size:1.6rem;line-height:1.2;margin:8px 0 6px}
h2{font-size:1.2rem;margin:0 0 8px}
.lead{color:var(--muted);margin:0 0 16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:16px}
.field-label{display:block;font-weight:700;margin:4px 0 10px}
.card .field-label:not(:first-child){margin-top:20px}

.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{min-height:46px;min-width:76px;padding:0 14px;border-radius:12px;border:2px solid var(--line);background:var(--card);color:var(--ink);font-size:1rem;font-weight:600;cursor:pointer}
.chip[aria-checked="true"]{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}
.custom-row{display:flex;gap:8px;margin-top:10px}
.custom-row input,.custom-row select,.select-wide,.adv-grid select,.restore-row input{min-height:var(--tap);font-size:1rem;padding:0 12px;border-radius:12px;border:2px solid var(--line);background:var(--card);color:var(--ink)}
.custom-row input{flex:1}
.select-wide{width:100%}

.advanced{margin-top:14px}
.advanced summary{cursor:pointer;color:var(--primary);font-weight:600;min-height:40px;display:flex;align-items:center}
.adv-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px}
.adv-grid label{display:flex;flex-direction:column;gap:6px;font-size:.95rem;color:var(--muted)}

.drop{border:2.5px dashed var(--line);border-radius:var(--radius);padding:18px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px;transition:background .15s,border-color .15s}
.drop.over{border-color:var(--primary);background:var(--primary-soft)}
.hint{margin:0;color:var(--muted);font-size:.95rem}
.note{color:var(--muted);font-size:.9rem;margin:14px 0 0}

.btn{min-height:var(--tap);padding:0 20px;border-radius:14px;border:2px solid var(--primary);background:var(--primary);color:var(--primary-ink);font-size:1.05rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none}
.btn:active{transform:scale(.98)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-big{width:100%;max-width:420px;min-height:60px;font-size:1.15rem}
.btn-primary{margin-top:20px}
.btn-ghost{background:transparent;color:var(--primary)}
.btn-small{min-height:42px;font-size:.95rem;padding:0 14px}
.btn-ok{background:var(--ok);border-color:var(--ok);color:#fff}
.link-btn{background:none;border:0;color:var(--muted);font-size:1.1rem;cursor:pointer;min-width:40px;min-height:40px}
.row-actions{display:flex;gap:10px;flex-wrap:wrap;margin:8px 0 16px}

.status{min-height:0;margin:0 0 12px;font-weight:600}
.status.working{color:var(--primary)}
.status.err{color:var(--bad)}
.progress{height:8px;border-radius:99px;background:var(--line);overflow:hidden;margin-top:8px}
.progress>i{display:block;height:100%;width:0;background:var(--primary);transition:width .2s}

.results{display:flex;flex-direction:column;gap:12px}
.result{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:center}
.result .thumb{width:96px;height:96px;border-radius:12px;object-fit:cover;background:var(--bg)}
.result .thumb.doc{display:flex;align-items:center;justify-content:center;font-size:2.4rem}
.result .name{font-weight:700;word-break:break-all}
.sizes{font-size:1.05rem;margin:2px 0}
.saved{display:inline-block;font-weight:800;color:var(--ok);background:var(--ok-soft);padding:2px 8px;border-radius:8px;font-size:.9rem}
.over-badge{display:inline-block;font-weight:700;color:var(--warn);background:var(--warn-soft);padding:2px 8px;border-radius:8px;font-size:.9rem}
.meta{color:var(--muted);font-size:.9rem}
.result .actions{grid-column:1/-1;display:flex;gap:10px;flex-wrap:wrap}
.result .actions .btn{flex:1;min-width:140px}

.pages{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-direction:column;gap:8px}
.pages li{display:flex;align-items:center;gap:10px;background:var(--bg);border-radius:12px;padding:8px}
.pages img{width:56px;height:56px;object-fit:cover;border-radius:8px}
.pages .pnum{font-weight:800;width:28px;text-align:center}
.pages .pname{flex:1;font-size:.9rem;word-break:break-all;color:var(--muted)}
.pages button{min-width:44px;min-height:44px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--ink);font-size:1.05rem;cursor:pointer}

/* nav: mobile bottom bar */
.nav{position:fixed;left:0;right:0;bottom:0;z-index:30;display:grid;grid-template-columns:repeat(5,1fr);background:var(--card);border-top:1px solid var(--line);padding-bottom:var(--safe-b)}
.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:64px;border:0;background:none;color:var(--muted);font-size:.78rem;font-weight:600;cursor:pointer}
.nav-item .ico{font-size:1.4rem;line-height:1}
.nav-item.active{color:var(--primary)}
.nav-item.active .ico{transform:scale(1.1)}
.nav-extra{display:none}

.install-bar{display:flex;align-items:center;gap:10px;background:var(--primary-soft);border-radius:14px;padding:10px 12px;margin-bottom:14px;font-size:.95rem}
.install-bar{flex-wrap:wrap}
.install-bar span{flex:1 1 220px}

.desktop-only{display:none}
@media (min-width:900px){
  .layout{display:grid;grid-template-columns:240px 1fr;max-width:1200px;margin:0 auto}
  .nav{position:sticky;top:61px;height:calc(100vh - 61px);display:flex;flex-direction:column;gap:6px;padding:20px 12px;border-top:0;border-right:1px solid var(--line);background:transparent}
  .nav-item{flex-direction:row;justify-content:flex-start;gap:12px;min-height:52px;padding:0 14px;border-radius:12px;font-size:1rem}
  .nav-item.active{background:var(--primary-soft)}
  .nav-extra{display:flex}
  .tiles{grid-template-columns:repeat(3,1fr)}
  main{padding:24px 32px 48px;margin:0}
  h1{font-size:2rem}
  .mobile-only{display:none}
  .desktop-only{display:block}
  .drop{padding:28px}
}
@media (max-width:420px){ .private-badge{display:none} .adv-grid{grid-template-columns:1fr} }

.sheet-backdrop{position:fixed;inset:0;z-index:50;background:rgba(10,14,30,.55);display:flex;align-items:flex-end;justify-content:center}
.sheet{position:relative;background:var(--card);width:100%;max-width:520px;border-radius:22px 22px 0 0;padding:26px 20px calc(26px + var(--safe-b));max-height:90vh;overflow:auto}
@media (min-width:640px){ .sheet-backdrop{align-items:center} .sheet{border-radius:22px} }
.sheet-close{position:absolute;right:10px;top:10px;width:44px;height:44px;border-radius:50%;border:0;background:var(--bg);color:var(--ink);font-size:1.1rem;cursor:pointer}
.price{font-size:2rem;font-weight:800;margin:4px 0}
.ticks{list-style:none;padding:0;margin:12px 0 18px}
.ticks li{padding:6px 0 6px 30px;position:relative}
.ticks li::before{content:"✓";position:absolute;left:4px;color:var(--ok);font-weight:900}
.restore-row{display:flex;gap:8px;margin-top:10px}
.restore-row input{flex:1;min-width:0}
.ios-steps{padding-left:0;list-style:none}
.ios-steps li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;font-size:1.05rem}
.step-ico{font-size:1.6rem}
.footer-links{text-align:center;color:var(--muted)}

.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(84px + var(--safe-b));z-index:60;background:var(--ink);color:var(--bg);padding:12px 18px;border-radius:12px;font-weight:600;max-width:90vw;text-align:center}
@media (min-width:900px){ .toast{bottom:28px} }

/* home tiles */
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tile{display:flex;flex-direction:column;align-items:flex-start;gap:4px;text-align:left;padding:16px;min-height:132px;border-radius:var(--radius);border:1px solid var(--line);background:var(--card);color:var(--ink);font-size:1rem;cursor:pointer}
.tile:active{transform:scale(.98)}
.tile:hover{border-color:var(--primary)}
.tile-ico{font-size:2rem;line-height:1}
.tile strong{font-size:1.05rem}
.tile span:last-child{color:var(--muted);font-size:.88rem;line-height:1.35}
@media (max-width:360px){.tiles{grid-template-columns:1fr}}

/* resize */
.times{align-self:center;font-weight:700}
.seg{display:inline-flex;border:2px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:12px}
.seg-btn{min-height:46px;padding:0 16px;border:0;background:var(--card);color:var(--ink);font-weight:600;font-size:.98rem;cursor:pointer}
.seg-btn[aria-checked="true"]{background:var(--primary-soft);color:var(--primary)}
.crop-wrap{display:flex;justify-content:center;background:repeating-conic-gradient(var(--line) 0 25%,transparent 0 50%) 0 0/20px 20px;border-radius:12px;padding:12px}
#resizeCanvas{max-width:100%;touch-action:none;cursor:grab;box-shadow:0 0 0 2px var(--primary);background:#fff}
.zoom-row{display:flex;align-items:center;gap:12px;margin-top:12px;font-weight:600}
.zoom-row input{flex:1;min-height:44px}

/* pdf tools */
.pt-toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:16px 0 8px}
.pt-toolbar .meta{flex:1 0 100%}
.pt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin-top:8px}
.pt-card{position:relative;border:2px solid var(--line);border-radius:12px;padding:8px;background:var(--bg);display:flex;flex-direction:column;gap:6px}
.pt-card.sel{border-color:var(--primary);background:var(--primary-soft)}
.pt-thumb{height:150px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.pt-thumb canvas{max-width:100%;max-height:140px;box-shadow:0 1px 4px rgba(0,0,0,.25);background:#fff;transition:transform .2s}
.pt-label{font-size:.8rem;color:var(--muted);text-align:center;word-break:break-all}
.pt-btns{display:flex;justify-content:space-between;gap:4px}
.pt-btns button{flex:1;min-height:40px;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--ink);font-size:1rem;cursor:pointer}
.pt-check{position:absolute;top:6px;left:6px;width:26px;height:26px;accent-color:var(--primary)}
.pt-actions{display:flex;flex-direction:column;gap:10px;align-items:stretch;margin-top:8px}
.pt-actions .btn{width:100%;max-width:none}

/* clean */
.progress.big{height:12px;margin-top:16px}
.step-list{list-style:none;padding:0;margin:0}
.step-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-top:1px solid var(--line)}
.step-list li:first-child{border-top:0}
.step-list input{width:28px;height:28px;flex:0 0 28px;margin-top:2px;accent-color:var(--ok)}
.step-list label{cursor:pointer}
.step-list li.done label{color:var(--muted);text-decoration:line-through}
.callout{background:var(--warn-soft);color:var(--warn);border-radius:12px;padding:10px 12px;font-size:.92rem;margin:0 0 12px}
kbd{font-family:inherit;font-weight:700;border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;padding:0 6px;background:var(--bg)}