/* Layout: cabecera fija simple, hero compacto sobre trama de puntos (módulos QR), herramienta como protagonista,
   después pasos + FAQ en banda y rejilla de herramientas. Tokens en :root. */
:root{
  --paper:#f4f5f7; --surface:#ffffff; --ink:#14161f; --muted:#5b6475; --line:#dfe2e9;
  --accent:#0b7a75; --accent-ink:#ffffff; --accent2:#ffd23f; --warn:#9a5b00; --warn-bg:#fff4dc; --ok:#13795b;
  --shadow:0 1px 2px rgba(20,22,31,.06),0 8px 24px rgba(20,22,31,.06);
  --dot:rgba(20,22,31,.09); --foot-bg:#14161f; --foot-ink:#e9ecf2; --foot-muted:#9aa3b5;
  --font:'Inter','IBM Plex Sans Arabic',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#0e1116; --surface:#171b22; --ink:#eceff4; --muted:#9aa3b5; --line:#2a303b;
  --accent:#3cc4b8; --accent-ink:#06211f; --warn:#ffcf70; --warn-bg:#2d2410; --ok:#4ad6a6;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35); --dot:rgba(236,239,244,.07); color-scheme:dark;}}
:root[data-theme="dark"]{
  --paper:#0e1116; --surface:#171b22; --ink:#eceff4; --muted:#9aa3b5; --line:#2a303b;
  --accent:#3cc4b8; --accent-ink:#06211f; --warn:#ffcf70; --warn-bg:#2d2410; --ok:#4ad6a6;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35); --dot:rgba(236,239,244,.07); color-scheme:dark;}
[hidden]{display:none!important}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--font);-webkit-font-smoothing:antialiased}
h1,h2,h3{line-height:1.2;text-wrap:balance;margin:0}
p{margin:0}
a{color:inherit}
img,svg,canvas{max-width:100%}
.wrap{width:min(1120px,100%);margin-inline:auto;padding-inline:max(16px,env(safe-area-inset-left,0px)) max(16px,env(safe-area-inset-right,0px))}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;inset-inline-start:12px;top:-60px;background:var(--ink);color:var(--paper);padding:10px 14px;border-radius:8px;z-index:50}
.skip:focus{top:10px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}

/* cabecera */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:16px;min-height:64px;justify-content:space-between}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem;letter-spacing:-.02em;text-decoration:none}
.logo-mark{width:32px;height:32px;flex:none}
.menu{display:flex;align-items:center;gap:22px}
.menu nav{display:flex;gap:6px}
.menu nav a{text-decoration:none;padding:8px 12px;border-radius:10px;font-weight:600;color:var(--muted)}
.menu nav a:hover,.menu nav a[aria-current]{color:var(--ink);background:color-mix(in srgb,var(--ink) 7%,transparent)}
.burger{display:none;background:none;border:1px solid var(--line);color:var(--ink);border-radius:10px;padding:8px;cursor:pointer}
.langs{position:relative}
.langs summary{list-style:none;display:inline-flex;align-items:center;gap:8px;cursor:pointer;padding:8px 12px;border:1px solid var(--line);border-radius:10px;font-weight:600;background:var(--surface)}
.langs summary::-webkit-details-marker{display:none}
.langlist{position:absolute;inset-inline-end:0;top:calc(100% + 8px);min-width:190px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px;display:grid}
.langlist a{text-decoration:none;padding:9px 12px;border-radius:8px}
.langlist a:hover{background:color-mix(in srgb,var(--ink) 7%,transparent)}
.langlist a[aria-current]{font-weight:700;color:var(--accent)}

/* hero */
.hero{padding-block:44px 8px;background-image:radial-gradient(var(--dot) 1.4px,transparent 1.6px);background-size:16px 16px;background-position:0 0}
.hero h1{font-size:clamp(1.9rem,4.6vw,3rem);font-weight:800;letter-spacing:-.03em;max-width:20ch}
.lead{margin-top:12px;color:var(--muted);font-size:1.1rem;max-width:62ch}
.badges{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:18px 0 0}
.badges li{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-size:.9rem;font-weight:600}
.badges li::before{content:"";width:8px;height:8px;background:var(--accent2);border-radius:2px;outline:1.5px solid var(--ink)}
.tool-wrap{padding-block:24px 40px}

/* controles */
.btn{appearance:none;border:1px solid var(--accent);background:var(--accent);color:var(--accent-ink);font:inherit;font-weight:700;padding:11px 18px;border-radius:12px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .12s,filter .12s}
.btn:hover:not(:disabled){filter:brightness(1.06);transform:translateY(-1px)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover:not(:disabled){background:color-mix(in srgb,var(--ink) 6%,transparent)}
.fld{display:grid;gap:6px;min-width:0}
.fld>span,.lbl{font-size:.85rem;font-weight:700;color:var(--muted);letter-spacing:.01em}
.fld>span b{color:var(--ink)}
input[type=text],input[type=number],select,textarea{width:100%;font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:11px 13px;min-width:0}
textarea{resize:vertical;min-height:90px}
input:focus,select:focus,textarea:focus{outline:3px solid color-mix(in srgb,var(--accent) 45%,transparent);border-color:var(--accent)}
input[type=color]{width:100%;height:44px;padding:3px;border:1px solid var(--line);border-radius:12px;background:var(--surface);cursor:pointer}
input[type=range]{width:100%;accent-color:var(--accent);height:44px}
.chk{display:flex;align-items:center;gap:10px;font-weight:600;cursor:pointer}
.chk input{width:20px;height:20px;accent-color:var(--accent)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.note{color:var(--muted);font-size:.9rem}
.warn{background:var(--warn-bg);color:var(--warn);border-radius:10px;padding:10px 12px;font-size:.9rem;font-weight:600}
.dl{display:flex;flex-wrap:wrap;gap:10px}

/* estudio QR */
.studio{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:20px;align-items:start}
.studio-main,.studio-preview,.imgtool,.wordtool{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:22px}
.tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px}
.tab{appearance:none;font:inherit;font-weight:700;padding:9px 14px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer}
.tab:hover{color:var(--ink)}
.tab[aria-selected=true]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.panel{display:grid;gap:14px}
.panel[hidden]{display:none}
.style{border:0;border-top:1px solid var(--line);margin:22px 0 0;padding:18px 0 0;display:grid;gap:14px}
.style legend{padding:0 8px 0 0;font-weight:800}
.logo-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.logo-row .lbl{margin-inline-end:auto}
.logo-row .btn{padding:8px 14px}
.studio-preview{position:sticky;top:84px;display:grid;gap:14px;justify-items:center}
.studio-preview .lbl{justify-self:start}
.qr-frame{width:100%;aspect-ratio:1;max-width:340px;display:grid;place-items:center;border-radius:16px;border:1px dashed var(--line);background:#fff;padding:10px}
.qr-frame canvas{width:100%;height:auto;image-rendering:pixelated;border-radius:6px}
.qr-empty{text-align:center;color:#5b6475;padding:20px;font-size:.95rem}
.studio-preview .dl{justify-content:center;width:100%}
.studio-preview .note{text-align:center}

/* herramientas de imagen */
.imgtool{display:grid;gap:18px}
.drop{display:grid;justify-items:center;gap:6px;text-align:center;padding:38px 16px;border:2px dashed var(--line);border-radius:16px;cursor:pointer;transition:border-color .15s,background .15s}
.drop:hover,.drop.over{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent)}
.drop span{color:var(--muted);font-size:.92rem}
.ic{width:22px;height:22px;flex:none}.ic.big{width:44px;height:44px;color:var(--accent)}
.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;align-items:end}
.opts .px-only,.opts .pct-only{grid-column:span 1}
.opts .row2{grid-column:span 1}
.segbtn{display:inline-flex;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.segbtn button{appearance:none;border:0;font:inherit;font-weight:700;background:transparent;color:var(--muted);padding:11px 14px;cursor:pointer}
.segbtn .on{background:var(--ink);color:var(--paper)}
.results-head{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding-top:6px;border-top:1px solid var(--line)}
.total{font-weight:700}.total small{color:var(--muted);font-weight:500}
.results{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.item{display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:14px;align-items:center;padding:10px;border:1px solid var(--line);border-radius:14px;background:var(--paper)}
.thumb{width:64px;height:64px;border-radius:10px;object-fit:cover;background:repeating-conic-gradient(#d9dce3 0 25%,#fff 0 50%) 0 0/14px 14px}
.meta{min-width:0;display:grid;gap:2px}
.meta b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.meta small{color:var(--muted)}
.badge{display:inline-block;font-weight:700;font-size:.85rem;color:var(--ok)}
.badge.bad{color:var(--warn)}
.acts{display:flex;gap:8px;align-items:center}
.acts .btn{padding:8px 14px}
.x{appearance:none;background:none;border:0;color:var(--muted);cursor:pointer;font-size:1.3rem;line-height:1;padding:6px 8px;border-radius:8px}
.x:hover{color:var(--ink);background:color-mix(in srgb,var(--ink) 8%,transparent)}
.item.err .meta small{color:var(--warn)}

/* contador */
.wordtool{display:grid;gap:18px}
.wordtool textarea{min-height:260px;font-size:1.05rem}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px}
.stat{padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--paper);display:grid;gap:2px}
.stat b{font-size:1.5rem;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat span{color:var(--muted);font-size:.85rem;font-weight:600}
.chips{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.chips li{padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--paper);font-weight:600}
.chips li i{font-style:normal;color:var(--muted);margin-inline-start:6px;font-variant-numeric:tabular-nums}
.chips .muted{color:var(--muted);border-style:dashed}

/* banda, preguntas, rejilla */
.band{background:var(--surface);border-block:1px solid var(--line);padding-block:44px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.band h2,.more h2,.prose h2{font-size:1.4rem;letter-spacing:-.02em;margin-bottom:16px}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.steps li{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start}
.steps .n{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--paper);font-weight:800}
.steps p{padding-top:5px}
.qa{border-bottom:1px solid var(--line);padding:2px 0}
.qa summary{cursor:pointer;font-weight:700;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";font-weight:400;font-size:1.4rem;line-height:1;color:var(--accent)}
.qa[open] summary::after{content:"−"}
.qa p{color:var(--muted);padding-bottom:16px}
.more{padding-block:44px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.card{display:grid;grid-template-columns:auto 1fr;grid-template-areas:"i t" "i d";gap:2px 14px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:16px;background:var(--surface);text-decoration:none;transition:transform .15s,border-color .15s,box-shadow .15s}
.card:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:var(--shadow)}
.card-ic{grid-area:i;width:42px;height:42px;padding:10px;border-radius:12px;background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent)}
.card-t{grid-area:t;font-weight:700}
.card-d{grid-area:d;color:var(--muted);font-size:.9rem}
.prose{padding-block:32px 56px;max-width:780px}
.prose h2{margin-top:28px;font-size:1.2rem}
.prose p{color:var(--muted)}

/* pie */
.foot{padding-block:36px;border-top:1px solid var(--line)}
.foot-top{display:flex;flex-wrap:wrap;gap:16px 32px;align-items:center;justify-content:space-between}
.foot-top p{color:var(--muted);max-width:56ch;font-size:.92rem}
.foot-bot{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:20px;color:var(--muted);font-size:.85rem}
.foot-bot a{font-weight:600}

@media (max-width:900px){
  .studio{grid-template-columns:minmax(0,1fr)}
  .studio-preview{position:static}
  .two{grid-template-columns:1fr;gap:32px}
}
@media (max-width:720px){
  .burger{display:inline-flex}
  .menu{display:none;position:absolute;inset-inline:0;top:100%;background:var(--paper);border-bottom:1px solid var(--line);padding:12px max(16px,env(safe-area-inset-left,0px));flex-direction:column;align-items:stretch;gap:12px}
  .menu.open{display:flex}
  .menu nav{flex-direction:column}
  .langlist{position:static;margin-top:8px;box-shadow:none}
  .hero{padding-block:28px 4px}
  .row3{grid-template-columns:1fr 1fr}
  .studio-main,.studio-preview,.imgtool,.wordtool{padding:16px;border-radius:16px}
  .item{grid-template-columns:52px minmax(0,1fr)}
  .thumb{width:52px;height:52px}
  .item .acts{grid-column:1/-1;justify-content:space-between}
}
@media (max-width:420px){.row2{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}


/* ===== v2: más carácter ===== */
body[data-group="image"]{--accent:#d4452a;--accent-ink:#fff}
body[data-group="text"]{--accent:#a15f00;--accent-ink:#fff}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) body[data-group="image"]{--accent:#ff8a6b;--accent-ink:#2a0d05}
:root:not([data-theme="light"]) body[data-group="text"]{--accent:#f2b84b;--accent-ink:#2a1c00}}
:root[data-theme="dark"] body[data-group="image"]{--accent:#ff8a6b;--accent-ink:#2a0d05}
:root[data-theme="dark"] body[data-group="text"]{--accent:#f2b84b;--accent-ink:#2a1c00}
.g-qr{--c:#0b7a75}.g-image{--c:#d4452a}.g-text{--c:#a15f00}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .g-qr{--c:#3cc4b8}:root:not([data-theme="light"]) .g-image{--c:#ff8a6b}:root:not([data-theme="light"]) .g-text{--c:#f2b84b}}
:root[data-theme="dark"] .g-qr{--c:#3cc4b8}:root[data-theme="dark"] .g-image{--c:#ff8a6b}:root[data-theme="dark"] .g-text{--c:#f2b84b}

.hero{position:relative;overflow:hidden;padding-block:56px 36px;
  background:radial-gradient(760px 340px at 88% 0%,color-mix(in srgb,var(--accent) 20%,transparent),transparent 70%),
             radial-gradient(520px 260px at 0% 100%,color-mix(in srgb,var(--accent2) 22%,transparent),transparent 70%),
             radial-gradient(var(--dot) 1.4px,transparent 1.6px) 0 0/16px 16px}
.hero-in{display:flex;align-items:center;justify-content:space-between;gap:32px}
.hero-copy{min-width:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px 6px 10px;border-radius:999px;background:color-mix(in srgb,var(--accent) 13%,var(--surface));color:var(--accent);font-weight:700;font-size:.85rem;letter-spacing:.02em;margin-bottom:16px;border:1px solid color-mix(in srgb,var(--accent) 30%,transparent)}
.eyebrow .ic{width:16px;height:16px}
.hero h1{font-size:clamp(2.1rem,5.2vw,3.7rem);line-height:1.08;letter-spacing:-.035em;max-width:16ch}
.lead{font-size:1.15rem}
.mosaic{width:170px;height:170px;flex:none;filter:drop-shadow(0 18px 24px rgba(20,22,31,.14));transform:rotate(4deg);background:#fff;border-radius:22px;padding:14px;border:1px solid var(--line)}
:root[dir="rtl"] .mosaic,[dir="rtl"] .mosaic{transform:rotate(-4deg)}
.mosaic rect[fill="var(--ink)"]{fill:#14161f}
.badges li{box-shadow:0 1px 0 rgba(20,22,31,.04)}
.tool-wrap{padding-block:8px 56px;position:relative}
.studio-main,.studio-preview,.imgtool,.wordtool{border-radius:24px;box-shadow:0 1px 2px rgba(20,22,31,.05),0 18px 50px rgba(20,22,31,.09)}
.tab[aria-selected=true]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.qr-frame{position:relative;border:0;background:#fff;box-shadow:inset 0 0 0 1px var(--line)}
.qr-frame::before,.qr-frame::after{content:"";position:absolute;width:26px;height:26px;border:3px solid var(--accent);pointer-events:none}
.qr-frame::before{top:8px;inset-inline-start:8px;border-width:3px 0 0 3px;border-start-start-radius:8px}
.qr-frame::after{bottom:8px;inset-inline-end:8px;border-width:0 3px 3px 0;border-end-end-radius:8px}
:root[dir="rtl"] .qr-frame::before,[dir="rtl"] .qr-frame::before{border-width:3px 3px 0 0}
[dir="rtl"] .qr-frame::after{border-width:0 0 3px 3px}
.btn{box-shadow:0 1px 0 rgba(0,0,0,.08),0 6px 14px color-mix(in srgb,var(--accent) 30%,transparent)}
.btn.ghost{box-shadow:none}
.studio-preview .btn{padding:13px 22px}
.drop{background:color-mix(in srgb,var(--accent) 4%,var(--surface));border-color:color-mix(in srgb,var(--accent) 35%,var(--line))}
.drop .ic.big{width:52px;height:52px;padding:11px;border-radius:16px;background:color-mix(in srgb,var(--accent) 14%,transparent)}
.imgtool .btn,.wordtool .btn{--shadow-btn:0}

.sec{font-size:clamp(1.4rem,2.6vw,1.9rem);letter-spacing:-.025em;margin:0 0 22px}
.feats{padding-block:56px 20px}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feat{padding:24px;border-radius:20px;border:1px solid var(--line);background:var(--surface)}
.feat .ic{width:46px;height:46px;padding:11px;border-radius:14px;background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent);margin-bottom:14px}
.feat h3{font-size:1.1rem;margin-bottom:6px}
.feat p{color:var(--muted)}
.how{padding-block:36px 20px}
.steps{grid-template-columns:repeat(3,1fr);gap:16px}
.steps li{grid-template-columns:1fr;gap:8px;padding:22px;border-radius:20px;background:color-mix(in srgb,var(--accent) 7%,var(--surface));border:1px solid color-mix(in srgb,var(--accent) 18%,var(--line))}
.steps .n{width:auto;height:auto;background:none;color:var(--accent);font-size:2.4rem;line-height:1;justify-self:start;letter-spacing:-.04em}
.steps p{padding-top:0;font-weight:600}
.more{padding-block:36px 20px}
.more .wrap{padding-block:0}
.faq{padding-block:36px 64px}
.narrow{max-width:820px}
.card{grid-template-columns:auto 1fr auto;grid-template-areas:"i t go" "i d go";padding:18px;border-radius:18px}
.card:hover{border-color:var(--c,var(--accent))}
.card-ic{width:46px;height:46px;padding:11px;border-radius:14px;background:color-mix(in srgb,var(--c,var(--accent)) 15%,transparent);color:var(--c,var(--accent))}
.card-go{grid-area:go;color:var(--muted);font-size:1.2rem;transition:transform .15s,color .15s}
.card:hover .card-go{color:var(--c,var(--accent));transform:translateX(3px)}
[dir="rtl"] .card-go{transform:scaleX(-1)}
[dir="rtl"] .card:hover .card-go{transform:scaleX(-1) translateX(3px)}

.foot{background:var(--foot-bg);color:var(--foot-ink);border-top:0;padding-block:52px 28px}
.foot .brand{color:var(--foot-ink)}
.foot .logo-mark rect:first-child{fill:#f4f5f7}
.foot .logo-mark rect:not(:first-child){stroke:#14161f}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.foot-brand p{color:var(--foot-muted);margin-top:14px;max-width:38ch;font-size:.95rem}
.foot-col h2{font-size:.8rem;text-transform:uppercase;letter-spacing:.09em;color:var(--foot-muted);margin:0 0 12px}
.foot-col .h2b{margin-top:22px}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot-col a{text-decoration:none;color:var(--foot-ink)}
.foot-col a:hover{text-decoration:underline;text-underline-offset:3px}
.foot-bot{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:8px 24px;color:var(--foot-muted);font-size:.85rem}
.prose{padding-block:40px 64px}

@media (max-width:900px){
  .feat-grid,.steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}
  .mosaic{width:120px;height:120px}
}
@media (max-width:560px){.mosaic{display:none}.hero{padding-block:34px 24px}.foot-grid{grid-template-columns:1fr}}


/* Added browser-based utilities and searchable tool directory */
.g-utility{--c:#6654d9}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .g-utility{--c:#b1a7ff}}
:root[data-theme="dark"] .g-utility{--c:#b1a7ff}
.utilitytool{background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:0 1px 2px rgba(20,22,31,.05),0 18px 50px rgba(20,22,31,.09);padding:clamp(16px,3vw,28px);display:grid;gap:18px;max-width:100%;}
.utility-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;align-items:end}
.utility-grid .u-result{grid-column:1/-1;background:color-mix(in srgb,var(--accent) 8%,var(--surface));border:1px solid color-mix(in srgb,var(--accent) 25%,var(--line));border-radius:16px;padding:20px;display:grid;gap:6px}
.u-result>span{font-weight:700;color:var(--muted);font-size:.9rem}
.u-result output{font-size:clamp(1.8rem,5vw,3rem);font-weight:800;letter-spacing:-.04em;overflow-wrap:anywhere;line-height:1.2;font-variant-numeric:tabular-nums}
.u-error{margin:0;color:#b42318;font-size:.92rem;font-weight:600}
.utility-action{display:flex;align-items:end}
.u-password-top{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:end}
.u-password-top .fld{grid-template-columns:1fr auto;align-items:center}
.u-password-top .fld>span{grid-column:1/-1}
#u-len-display{font-weight:800;font-size:1.2rem;min-width:2ch;text-align:end}
.u-checks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding:14px;border:1px solid var(--line);border-radius:14px}
.utilitytool textarea{min-height:180px;line-height:1.55}
.utilitytool textarea[readonly]{background:color-mix(in srgb,var(--ink) 3%,var(--surface))}
.u-toolbar{display:flex;align-items:end;gap:10px;flex-wrap:wrap}
.u-toolbar .u-indent{width:140px}
.u-help{color:var(--muted);font-size:.9rem;flex:1 1 240px}
.tool-search-wrap{display:block;max-width:440px;margin:-6px 0 22px}
.tool-search{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 16px;background:var(--surface);color:var(--ink);font:inherit;box-shadow:0 4px 14px rgba(20,22,31,.04)}
.tools-empty{color:var(--muted);padding:12px 0}
@media(max-width:640px){.utility-grid{grid-template-columns:1fr}.utility-grid .u-result{grid-column:auto}.u-checks{grid-template-columns:1fr}.u-toolbar .btn{flex:1 1 auto}.u-password-top{grid-template-columns:1fr auto}.utilitytool{border-radius:18px}.utilitytool .dl .btn{flex:1}.u-help{flex-basis:100%}}

.u-prop-formula{grid-column:1/-1;margin:0;padding:13px 15px;border-radius:12px;border:1px solid var(--line);background:color-mix(in srgb,var(--ink) 3%,var(--surface));color:var(--muted);font-size:.94rem;line-height:1.5}


/* Advertising: one reserved, responsive slot below the main tool. Hidden until ads are explicitly configured. No sticky, overlay, or interstitial placements. */
.ad-band{padding:8px 0 28px}
.ad-inner{display:flex;flex-direction:column;align-items:center;gap:4px}
.ad-label{color:var(--muted);font-size:.68rem;line-height:1.3;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.ad-container{display:block;width:100%;max-width:970px;min-height:90px;margin:0 auto;overflow:hidden;text-align:center}
@media(max-width:640px){.ad-band{padding:8px 0 20px}.ad-container{min-height:100px}}

/* Barcode page: breathing room around hint and option rows */
#bc-hint{margin:.5rem 0 1rem}
.studio-main .chk{margin-top:.75rem}

/* ===== V7.1: compact tools on the start side + reserved ad column on the end side ===== */
.tool-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;align-items:start}
.ad-side{display:none}
@media(min-width:1100px){
  .tool-wrap{grid-template-columns:minmax(0,1fr) 300px;gap:28px}
  .ad-side{display:block;position:sticky;top:84px;min-height:600px}
  .ad-side-in{display:flex;flex-direction:column;align-items:center;gap:4px}
  .ad-side .ad-container{max-width:300px;min-height:250px}
}
/* smaller, tighter controls inside the tool area */
.tool-wrap{font-size:.94rem}
.tool-wrap .studio-main,.tool-wrap .studio-preview,.tool-wrap .imgtool,.tool-wrap .wordtool,.tool-wrap .utilitytool{padding:18px;border-radius:20px}
.tool-wrap .studio{gap:16px}
.tool-wrap input[type=text],.tool-wrap input[type=number],.tool-wrap select,.tool-wrap textarea{padding:9px 11px;border-radius:10px;font-size:.95rem}
.tool-wrap input[type=color],.tool-wrap input[type=range]{height:38px}
.tool-wrap .btn{padding:9px 15px;border-radius:10px;font-size:.95rem}
.tool-wrap .studio-preview .btn{padding:10px 18px}
.tool-wrap .tab{padding:7px 12px;font-size:.9rem}
.tool-wrap .fld>span,.tool-wrap .lbl{font-size:.8rem}
.tool-wrap .qr-frame{max-width:280px}
.tool-wrap .drop{padding:28px 14px}
.tool-wrap .utilitytool textarea{min-height:150px}
@media(max-width:640px){.tool-wrap{font-size:1rem}.tool-wrap .studio-main,.tool-wrap .studio-preview,.tool-wrap .imgtool,.tool-wrap .wordtool,.tool-wrap .utilitytool{padding:16px}}