/* TechnBean free tools — light, neutral, mobile-first. Uses the TechnBean palette and type;
   follows the visitor's light/dark preference. */
:root{
  --bg:#F3F3F5;--surface:#FFFFFF;--surface2:#F7F7F9;--ink:#0A0A0B;--ink2:#2C2D31;--muted:#5F6168;
  --line:rgba(10,10,11,.12);--line2:rgba(10,10,11,.22);--accent:#1F3BFF;--accent-ink:#fff;--accent-soft:rgba(31,59,255,.09);
  --warn:#8A5A00;--warn-bg:#FFF4D6;--warn-line:#E7B341;--err:#B42318;--ok:#067647;
  --r:14px;--r-sm:10px;--sans:"Instrument Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0F0F11;--surface:#17171A;--surface2:#1D1D21;--ink:#EDEDF0;--ink2:#D1D2D6;--muted:#A3A5AC;
  --line:rgba(255,255,255,.12);--line2:rgba(255,255,255,.22);--accent:#7D8CFF;--accent-ink:#0A0A0B;--accent-soft:rgba(125,140,255,.14);
  --warn:#F5C451;--warn-bg:rgba(245,196,81,.12);--warn-line:#C9962A;--err:#FF8A80;--ok:#5BD69B;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 var(--sans);-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
.wrap{max-width:780px;margin:0 auto;padding:0 20px}
.sr{position:absolute!important;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(--bg);padding:10px 14px;border-radius:8px;z-index:9}
.skip:focus{top:12px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* header */
.th{border-bottom:1px solid var(--line);background:var(--bg)}
.th-in{max-width:1080px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;gap:16px}
.th-logo{display:block;color:var(--ink)}
.th-logo svg{height:22px;width:auto;stroke:none}
@media (prefers-color-scheme:dark){.th-logo svg path{fill:#EDEDF0}.th-logo svg path[fill="#6B6D74"]{fill:#9A9CA3}}
.crumbs{font-size:13px;color:var(--muted);display:flex;gap:6px;flex-wrap:wrap;min-width:0}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--ink);text-decoration:underline}
.crumbs [aria-current]{color:var(--ink2)}
.th-r{margin-inline-start:auto;font-size:14px;white-space:nowrap;display:flex;align-items:center;gap:8px}
.th-r a{color:var(--ink);text-decoration:none;border:1px solid var(--line2);padding:7px 12px;border-radius:999px}
@media (max-width:640px){.crumbs{display:none}}

/* hero */
.hero{padding:44px 20px 20px}
.eyebrow{font:500 12px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
h1{font-size:clamp(30px,6vw,46px);line-height:1.08;letter-spacing:-.025em;margin:0 0 14px;font-weight:700}
.lead{font-size:clamp(16px,2.2vw,18px);color:var(--ink2);margin:0 0 18px;max-width:62ch}
.trust{list-style:none;padding:0;margin:0 0 22px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px;font-size:14px;color:var(--muted)}
.trust li{display:flex;gap:8px;align-items:flex-start}
.trust svg{width:18px;height:18px;color:var(--ok);margin-top:2px}
.trust b{color:var(--ink);font-weight:600;margin-inline-end:4px}
@media (max-width:520px){.trust{grid-template-columns:1fr}}
.cta-row{display:flex;gap:10px;flex-wrap:wrap}
.note{font-size:13px;color:var(--muted);margin:12px 0 0}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:999px;font:600 15px var(--sans);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .2s,border-color .2s,opacity .2s}
.btn-primary{background:var(--accent);color:var(--accent-ink)}.btn-primary:hover{opacity:.92}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line2)}.btn-ghost:hover{background:var(--surface)}
.btn-dark{background:var(--ink);color:var(--bg)}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.wide{width:100%;margin-top:18px}
.link{background:none;border:0;padding:6px 0;color:var(--accent);font:600 14px var(--sans);cursor:pointer}
.link.danger{color:var(--err)}

/* tool panel */
.tool{padding:16px 20px 8px;scroll-margin-top:12px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:6px 22px 18px}
@media (max-width:520px){.panel{padding:4px 14px 14px;border-radius:16px}}
.step{padding:18px 0;border-bottom:1px solid var(--line)}
.step:last-of-type{border-bottom:0}
.step-h{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.step-h h3{font-size:17px;margin:0;font-weight:600}
.num{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font:600 13px var(--sans);flex:none}
.step.done .num{background:var(--accent);color:var(--accent-ink)}
.cur{margin-inline-start:auto;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
select,input{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line2);border-radius:var(--r-sm);padding:9px 11px;min-width:0}
select{padding-inline-end:28px}
input:focus,select:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px var(--accent-soft)}
.hint{display:flex;gap:8px;align-items:flex-start;font-size:13.5px;color:var(--muted);margin:10px 0}
.hint svg{width:16px;height:16px;margin-top:2px}
.choices{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:520px){.choices{grid-template-columns:1fr}}
.choice{display:flex;align-items:center;gap:12px;text-align:start;padding:16px;border:1px solid var(--line2);border-radius:var(--r);background:var(--surface2);color:var(--ink);font:inherit;cursor:pointer;transition:border-color .2s,background .2s}
.choice:hover,.choice:focus-within{border-color:var(--accent);background:var(--accent-soft)}
.choice svg{width:24px;height:24px;color:var(--accent)}
.choice b{display:block;font-weight:600}.choice small{display:block;color:var(--muted);font-size:13px}
.scan{margin-top:12px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface2)}
.scan-row{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:14px}
.bar{height:6px;border-radius:6px;background:var(--line);overflow:hidden;margin-top:8px}
.bar i{display:block;height:100%;width:0;background:var(--accent);transition:width .3s}
.error{color:var(--err);font-size:14px;margin:10px 0 0}
.warn{background:var(--warn-bg);color:var(--warn);border:1px solid var(--warn-line);border-radius:var(--r-sm);padding:10px 12px;font-size:14px;margin:10px 0 0}

/* items */
.it-head,.it-row{display:grid;grid-template-columns:minmax(0,1fr) 64px 104px 104px 34px;gap:8px;align-items:center}
.it-head{font-size:12px;color:var(--muted);padding:0 0 6px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.04em}
.it-row{padding:5px 0}
.it-row input{width:100%}
.it-row input.num-in{text-align:end;font-variant-numeric:tabular-nums}
.it-row.unsure input.flag,.charges input.flag{border-color:var(--warn-line);background:var(--warn-bg)}
.icon-btn{width:34px;height:34px;display:grid;place-items:center;border-radius:8px;border:0;background:none;color:var(--muted);cursor:pointer}
.icon-btn:hover{background:var(--surface2);color:var(--err)}
@media (max-width:560px){
  .it-head{display:none}
  .it-row{grid-template-columns:1fr 1fr 1fr 34px;padding:10px 0;border-bottom:1px dashed var(--line)}
  .it-row .nm{grid-column:1/-1}
  .it-row input::placeholder{color:var(--muted)}
}
.add{margin-top:4px}
.charges{margin-top:14px;border-top:1px solid var(--line);padding-top:8px}
.charges .row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:5px 0;font-size:15px}
.charges .row input{width:150px;text-align:end;font-variant-numeric:tabular-nums}
.charges output{font-variant-numeric:tabular-nums}
.charges .row small{display:block;color:var(--muted);font-size:12px;text-align:end}
.charges .total{font-weight:700;font-size:17px;border-top:1px solid var(--line);margin-top:6px;padding-top:10px}
.raw{margin-top:12px;font-size:13px}.raw summary{cursor:pointer;color:var(--muted)}
.raw pre{white-space:pre-wrap;background:var(--surface2);border:1px solid var(--line);border-radius:var(--r-sm);padding:10px;max-height:240px;overflow:auto;font:12px/1.5 var(--mono)}

/* people */
.add-person{display:flex;gap:8px}.add-person input{flex:1}
.people{list-style:none;padding:0;margin:12px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.people li{display:inline-flex;align-items:center;gap:4px;padding:5px 6px 5px 12px;border:1px solid var(--line2);border-radius:999px;background:var(--surface2);font-size:14px}
.people button{border:0;background:none;color:var(--muted);cursor:pointer;width:24px;height:24px;border-radius:50%;display:grid;place-items:center}
.people button:hover{background:var(--line);color:var(--err)}

/* split */
.seg{display:inline-flex;padding:4px;border:1px solid var(--line2);border-radius:999px;background:var(--surface2)}
.seg label{cursor:pointer}.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:block;padding:8px 16px;border-radius:999px;font-weight:600;font-size:14px;color:var(--muted)}
.seg input:checked+span{background:var(--surface);color:var(--ink);box-shadow:0 0 0 1px var(--line2)}
.seg input:focus-visible+span{outline:2px solid var(--accent)}
.as-item{padding:12px 0;border-bottom:1px dashed var(--line)}
.as-item.missing .as-name{color:var(--err)}
.as-top{display:flex;justify-content:space-between;gap:10px;font-size:15px}
.as-name{font-weight:600}.as-amt{font-variant-numeric:tabular-nums;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.chip{border:1px solid var(--line2);background:var(--surface);color:var(--ink);border-radius:999px;padding:6px 12px;font:500 14px var(--sans);cursor:pointer}
.chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.chip.all{border-style:dashed;color:var(--muted)}
.units{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;font-size:13px;color:var(--muted)}
.units span{display:inline-flex;align-items:center;gap:6px;padding:4px 6px 4px 10px;border:1px solid var(--line);border-radius:999px}
.units button{width:26px;height:26px;border-radius:50%;border:1px solid var(--line2);background:var(--surface);color:var(--ink);cursor:pointer;font-weight:700}
.adv{margin-top:14px;border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 14px}
.adv summary{cursor:pointer;font-weight:600;font-size:14px}
.adv .rule,.adv .adj{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:5px 0;font-size:14px}
.adv .adj input{width:130px;text-align:end}

/* results */
.results{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.res{border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;background:var(--surface2)}
.res-top{display:flex;justify-content:space-between;align-items:center;gap:10px}
.res-name{font-weight:600}
.res-amt{font:700 20px var(--sans);font-variant-numeric:tabular-nums}
.res-items{font-size:13.5px;color:var(--muted);margin:4px 0 6px}
.res-lines{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:4px 14px;font-variant-numeric:tabular-nums}
.res .link{font-size:13px;padding:2px 0}
.check{font-size:13.5px;color:var(--ok);margin:10px 0 0}
.share{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.toast{min-height:20px;font-size:13.5px;color:var(--ok);margin:8px 0 0}
.foot-note{text-align:center;font-size:13px;color:var(--muted);margin:14px 0 0}

/* content */
.content{padding:44px 20px 0}
.content h2{font-size:clamp(22px,3.4vw,28px);letter-spacing:-.015em;margin:0 0 16px}
.content h3{font-size:16px;margin:0 0 4px}
.content p{margin:0;color:var(--ink2)}
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:14px}
.steps li{counter-increment:s;display:grid;grid-template-columns:34px 1fr;column-gap:12px}
.steps li::before{content:counter(s);grid-row:span 2;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);font-weight:600;font-size:14px}
.features{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:18px 26px}
@media (max-width:620px){.features{grid-template-columns:1fr}}
.why{padding-inline-start:18px;margin:0;display:grid;gap:8px;color:var(--ink2)}
.faq details{border-bottom:1px solid var(--line);padding:12px 0}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;line-height:1;color:var(--muted)}
.faq details[open] summary::after{content:"–"}
.faq summary h3{margin:0;font-size:16px;font-weight:600}
.faq p{margin-top:8px}
.related{padding-bottom:20px}
.tool-cards{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.tool-cards a{display:block;padding:16px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);color:var(--ink);text-decoration:none}
.tool-cards a:hover{border-color:var(--accent)}
.tool-cards b{display:block}.tool-cards span{font-size:14px;color:var(--muted)}

/* footer */
.tf{margin-top:56px;border-top:1px solid var(--line);padding:24px 20px 40px;font-size:14px;color:var(--muted)}
.tf-in{max-width:1080px;margin:0 auto;display:flex;flex-wrap:wrap;gap:12px 22px;justify-content:space-between}
.tf nav{display:flex;flex-wrap:wrap;gap:8px 18px}
.tf a{color:var(--ink2);text-decoration:none}.tf a:hover{text-decoration:underline}

/* tools directory */
.dir{padding:44px 20px 0}

/* receipt language */
.ocr-lang{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:12px 0 0;font-size:14px;color:var(--muted)}
.ocr-lang select{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line2);border-radius:var(--r-sm);padding:7px 10px}
/* scan notes: one line per note */
#scanNote span{display:block}#scanNote span+span{margin-top:6px}
.raw pre span{display:block;unicode-bidi:plaintext}
.it-row .nm{unicode-bidi:plaintext}

/* receipt thumbnail */
.rcpt-slot{margin:12px 0 4px}
.rcpt{display:flex;align-items:center;gap:12px;width:100%;max-width:420px;padding-block:8px;padding-inline:8px 12px;border:1px solid var(--line2);border-radius:var(--r);background:var(--surface2);color:var(--ink);font:inherit;text-align:start;cursor:zoom-in;transition:border-color .2s,background .2s}
.rcpt:hover:not(:disabled),.rcpt:focus-visible{border-color:var(--accent);background:var(--accent-soft)}
.rcpt:disabled{cursor:default}
.rcpt-img{flex:none;width:52px;height:64px;border-radius:8px;overflow:hidden;background:var(--surface);border:1px solid var(--line);display:grid;place-items:center}
.rcpt-img img{width:100%;height:100%;object-fit:cover;object-position:top}
.rcpt-img.is-loading{background:linear-gradient(100deg,var(--surface) 30%,var(--surface2) 50%,var(--surface) 70%);background-size:200% 100%;animation:rcpt-sh 1.2s linear infinite}
@keyframes rcpt-sh{to{background-position:-200% 0}}
@media (prefers-reduced-motion:reduce){.rcpt-img.is-loading{animation:none}}
.rcpt-ph{font:600 11px/1 var(--mono);color:var(--muted)}
.rcpt-txt{min-width:0;flex:1}
.rcpt-txt b{display:block;font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rcpt-txt small{display:block;color:var(--muted);font-size:12.5px}
.rcpt-zoom{flex:none;width:20px;height:20px;fill:none;stroke:var(--accent);stroke-width:2;stroke-linecap:round}

/* full-screen receipt viewer */
html.vw-open{overflow:hidden}
.viewer{position:fixed;inset:0;width:100vw;height:100vh;height:100dvh;max-width:none;max-height:none;margin:0;padding:0;border:0;background:#0b0b0d;color:#fff;overscroll-behavior:contain}
.viewer[open]{display:flex;flex-direction:column}
.viewer::backdrop{background:rgba(0,0,0,.6)}
.vw-bar{display:flex;align-items:center;gap:10px;padding:10px 12px;padding-top:max(10px,env(safe-area-inset-top));background:rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.12)}
.vw-name{flex:1;min-width:0;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:rgba(255,255,255,.85)}
.vw-ctl{display:flex;align-items:center;gap:4px}
.vw-btn{display:grid;place-items:center;min-width:40px;height:40px;padding:0 10px;border:1px solid rgba(255,255,255,.2);border-radius:10px;background:transparent;color:#fff;font:600 13px/1 var(--sans);cursor:pointer}
.vw-btn:hover,.vw-btn:focus-visible{background:rgba(255,255,255,.12);outline:none}.vw-btn:focus-visible{box-shadow:0 0 0 2px #7D8CFF}
.vw-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.vw-pct{min-width:52px;text-align:center;font:500 13px/1 var(--mono);color:rgba(255,255,255,.8)}
.vw-close{margin-inline-start:4px}
.vw-stage{position:relative;flex:1;overflow:hidden;touch-action:none;cursor:zoom-in;user-select:none}
.vw-stage.zoomed{cursor:grab}.vw-stage.zoomed:active{cursor:grabbing}
.vw-stage img{position:absolute;left:0;top:0;max-width:none;transform-origin:0 0;background:#fff;box-shadow:0 10px 40px rgba(0,0,0,.5);pointer-events:none}
.vw-msg{position:absolute;inset:0;display:grid;place-items:center;margin:0;padding:24px;text-align:center;color:rgba(255,255,255,.8)}
@media (max-width:520px){.vw-fit{display:none}.vw-pct{min-width:44px}}

/* languages: switcher in the header, list in the footer (scripts/i18n.mjs) */
.lang-sw{position:relative}
.lang-sw summary{list-style:none;display:flex;align-items:center;gap:6px;cursor:pointer;border:1px solid var(--line2);padding:6px 11px;border-radius:999px;color:var(--ink);font-size:14px}
.lang-sw summary::-webkit-details-marker{display:none}
.lang-sw summary svg{width:16px;height:16px}
.lang-sw ul{position:absolute;inset-inline-end:0;top:calc(100% + 6px);z-index:20;list-style:none;margin:0;padding:6px;min-width:150px;background:var(--surface);border:1px solid var(--line2);border-radius:12px;box-shadow:0 12px 32px rgba(0,0,0,.12)}
.lang-sw li a{display:block;border:0;padding:8px 10px;border-radius:8px;color:var(--ink);text-decoration:none}
.lang-sw li a:hover{background:var(--surface2)}
.lang-sw li a[aria-current]{background:var(--accent-soft);color:var(--accent);font-weight:600}
.tf-langs{max-width:1080px;margin:14px auto 0;padding:0;display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px}
.tf-langs a{color:var(--muted)}.tf-langs a[aria-current]{color:var(--ink);font-weight:600;text-decoration:none}
@media (max-width:640px){.th-r>a{display:none}.th-r>a:only-child{display:inline-block}}
/* Arabic pages: right-to-left, Arabic typeface; the receipt viewer keeps left-to-right coordinates */
:lang(ar) body{font-family:"IBM Plex Sans Arabic",var(--sans)}
:lang(ar) .eyebrow{letter-spacing:0;font-family:"IBM Plex Sans Arabic",var(--sans)}
[dir=rtl] .vw-stage{direction:ltr}
[dir=rtl] input[inputmode]{direction:ltr}
/* long translated currency names ("dólar estadounidense") must not widen the step header on phones */
.cur{min-width:0}.cur select{max-width:min(52vw,260px);text-overflow:ellipsis}
:lang(ar) h1,:lang(ar) h2{line-height:1.4;letter-spacing:0}