safeconvert/index.html at main · Nicholas-Kloster/safeconvert · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<meta name="description" content="Simple unit converter - length, weight, temperature, volume">
<meta name="robots" content="noindex, nofollow">
<title>Unit Converter</title>
<link rel="manifest" href="/manifest.json">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="default">
<meta name="apple-mobile-web-app-title" content="Convert">
<link rel="apple-touch-icon" href="/icon-192.png">
<meta name="theme-color" content="#F5F0EB">
<style>
  * { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
  body { font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background: #FAFAF8; color: #2C2C2C; }
  input, select, button { font-size: 16px; } /* prevents iOS zoom on focus */
</style>
</head>
<body>
<div id="root"></div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/18.3.1/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/18.3.1/umd/react-dom.production.min.js"></script>
<script>
"use strict";
const e = React.createElement;
const { useState, useEffect, useCallback, useRef } = React;

/* ── Storage — innocuous key name ── */
const SKEY = "uc_pref_v1";
function loadData() {
  try { const d = localStorage.getItem(SKEY); return d ? JSON.parse(d) : []; }
  catch(x) { return []; }
}
function saveData(arr) {
  try { localStorage.setItem(SKEY, JSON.stringify(arr)); } catch(x) {}
}

/* ── Converter ── */
const CATS = {
  Length: {
    units: ["Inches","Feet","Yards","Miles","Centimeters","Meters","Kilometers"],
    factors: {Inches:1,Feet:12,Yards:36,Miles:63360,Centimeters:0.393701,Meters:39.3701,Kilometers:39370.1}
  },
  Weight: {
    units: ["Ounces","Pounds","Grams","Kilograms"],
    factors: {Ounces:1,Pounds:16,Grams:0.035274,Kilograms:35.274}
  },
  Temperature: { units: ["Fahrenheit","Celsius"], factors: null },
  Volume: {
    units: ["Cups","Pints","Quarts","Gallons","Liters"],
    factors: {Cups:1,Pints:2,Quarts:4,Gallons:16,Liters:4.22675}
  }
};

function conv(val, cat, from, to) {
  if (!val || isNaN(val)) return "";
  var n = parseFloat(val);
  if (cat === "Temperature") {
    if (from === to) return n.toFixed(1);
    if (from === "Fahrenheit") return ((n-32)*5/9).toFixed(1);
    return ((n*9/5)+32).toFixed(1);
  }
  var f = CATS[cat].factors;
  return ((n*f[from])/f[to]).toFixed(2).replace(/\.?0+$/,"");
}

function isCode(v) {
  var digits = v.replace(/[^0-9]/g,"");
  return ["911","991","919","199","119","191","999","111"].indexOf(digits) !== -1;
}

var EMPTY = {name:"",phone:"",message:""};

var HELP = [
  { label:"I need help right now", color:"#C44D3F", bg:"#FDF0EE", border:"#F0C4BF", content:[
    {type:"phone",text:"Call 1-800-799-7233",sub:"Free. 24 hours. You don't have to give your name.",href:"tel:18007997233"},
    {type:"phone",text:"Text START to 88788",sub:"If you can't talk out loud right now.",href:"sms:88788?body=START"},
    {type:"phone",text:"Text HOME to 741741",sub:"For any crisis. Any age.",href:"sms:741741?body=HOME"},
    {type:"phone",text:"Call 911",sub:"If you or your children are in danger right now.",href:"tel:911"},
    {type:"note",text:"You can hang up anytime. They will not judge you. They are there for you."}
  ]},
  { label:"I'm a kid and I'm scared", color:"#2E7D6B", bg:"#EDF7F4", border:"#B8DDD3", content:[
    {type:"phone",text:"Call 1-800-422-4453",sub:"This is a free phone line for kids. Grown-ups answer who want to help you. It's private.",href:"tel:18004224453"},
    {type:"bigtext",text:"You are not in trouble."},
    {type:"bigtext",text:"This is not your fault."},
    {type:"note",text:"You can tell a teacher, a school counselor, a coach, or any grown-up you feel safe with. They will help."},
    {type:"note",text:"If someone is hurting you right now, go to a neighbor's house or call 911."}
  ]},
  { label:"I need to make a plan to leave", color:"#5B6B3D", bg:"#F3F5ED", border:"#CDD5B8", content:[
    {type:"step",num:"1",text:"Pick one person you trust. Tell them what is happening."},
    {type:"step",num:"2",text:"Choose a code word with that person. It means \"call for help.\""},
    {type:"step",num:"3",text:"If you can, put copies of your ID, your keys, and some cash somewhere safe outside your home."},
    {type:"step",num:"4",text:"Know the exits in your home. Think about which rooms have locks or windows."},
    {type:"step",num:"5",text:"You can leave with nothing. Shelters will give you what you need. They take children and pets too."},
    {type:"phone",text:"Call 1-800-799-7233",sub:"They will help you make a plan. You don't have to do this alone.",href:"tel:18007997233"}
  ]},
  { label:"I think my phone is being watched", color:"#6B5B8D", bg:"#F2F0F7", border:"#CFC8DF", content:[
    {type:"note",text:"If you can, use a different device \u2014 a library computer, a friend's phone, or a phone at work."},
    {type:"note",text:"Use private browsing (incognito mode) for anything about help or safety."},
    {type:"note",text:"Look for apps on your phone you don't recognize. Tracking apps sometimes look like battery or system tools."},
    {type:"note",text:"Turn off location sharing in your phone settings."},
    {type:"note",text:"Trackers like AirTags can be hidden in bags and cars. Check physically."},
    {type:"note",text:"Only change your passwords from a safe device \u2014 never one they have touched."}
  ]},
  { label:"Can I get legal help?", color:"#7B6840", bg:"#F7F3EC", border:"#DDD2B8", content:[
    {type:"bigtext",text:"Yes."},
    {type:"note",text:"You can get a protection order (restraining order) for free. You do not need a lawyer."},
    {type:"note",text:"Go to your local courthouse. There are people there whose job is to help you fill out the forms."},
    {type:"note",text:"Save evidence: photos of injuries, screenshots of threatening messages, notes about what happened and when."},
    {type:"note",text:"Your immigration status does not matter. You are protected by law."},
    {type:"note",text:"For free legal help near you, visit lawhelp.org from a safe device."}
  ]},
  { label:"More numbers to call or text", color:"#5A7B9A", bg:"#EEF3F7", border:"#BCCFDD", content:[
    {type:"phone",text:"DV Hotline: 1-800-799-7233",sub:"24/7. All languages.",href:"tel:18007997233"},
    {type:"phone",text:"Childhelp: 1-800-422-4453",sub:"For kids or about kids.",href:"tel:18004224453"},
    {type:"phone",text:"Love Is Respect: 1-866-331-9474",sub:"Ages 12\u201324. Text LOVEIS to 22522.",href:"tel:18663319474"},
    {type:"phone",text:"Sexual Assault: 1-800-656-4673",sub:"24/7.",href:"tel:18006564673"},
    {type:"phone",text:"Deaf/HoH: 1-855-812-1001",sub:"Video phone. Or email hotline@thehotline.org",href:"tel:18558121001"},
    {type:"phone",text:"Emergency: 911",sub:"If anyone is in danger right now.",href:"tel:911"}
  ]}
];

var CC = {color:"#8B5E3C",bg:"#FBF5EE",border:"#E0C9AB",bg2:"#F5EBDF"};

function App() {
  var _safe = useState(false), safe = _safe[0], setSafe = _safe[1];
  var _cat = useState("Length"), cat = _cat[0], setCat = _cat[1];
  var _from = useState("Inches"), from = _from[0], setFrom = _from[1];
  var _to = useState("Centimeters"), to = _to[0], setTo = _to[1];
  var _val = useState(""), val = _val[0], setVal = _val[1];
  var _open = useState(null), open = _open[0], setOpen = _open[1];
  var _contacts = useState([]), contacts = _contacts[0], setContacts = _contacts[1];
  var _editing = useState(null), editing = _editing[0], setEditing = _editing[1];
  var _draft = useState({name:"",phone:"",message:""}), draft = _draft[0], setDraft = _draft[1];
  var _cOpen = useState(false), contactsOpen = _cOpen[0], setContactsOpen = _cOpen[1];
  var _del = useState(null), deleteConfirm = _del[0], setDeleteConfirm = _del[1];
  var inputRef = useRef(null);

  var exit = useCallback(function() {
    setSafe(false); setVal(""); setOpen(null); setEditing(null);
    setContactsOpen(false); setDeleteConfirm(null);
    setTimeout(function(){ inputRef.current && inputRef.current.focus(); }, 50);
  }, []);

  useEffect(function() {
    function h(ev) { if (ev.key === "Escape") exit(); }
    window.addEventListener("keydown", h);
    return function() { window.removeEventListener("keydown", h); };
  }, [exit]);

  useEffect(function() {
    if (safe) setContacts(loadData());
  }, [safe]);

  function handleInput(ev) {
    var v = ev.target.value;
    if (isCode(v)) { setSafe(true); setVal(""); return; }
    setVal(v);
  }

  function switchCat(c) {
    setCat(c); setFrom(CATS[c].units[0]); setTo(CATS[c].units[1]); setVal("");
  }

  function startAdd() { setDraft({name:"",phone:"",message:""}); setEditing("new"); setDeleteConfirm(null); }
  function startEdit(i) { setDraft({name:contacts[i].name,phone:contacts[i].phone,message:contacts[i].message}); setEditing(i); setDeleteConfirm(null); }
  function cancelEdit() { setEditing(null); setDraft({name:"",phone:"",message:""}); }

  function saveDraft() {
    var cn = draft.name.trim().slice(0,30);
    var cp = draft.phone.replace(/[^0-9+\-() ]/g,"").trim().slice(0,20);
    var cm = draft.message.trim().slice(0,100);
    if (!cn && !cp) return;
    var clean = {name:cn,phone:cp,message:cm};
    var updated;
    if (editing === "new") { updated = contacts.concat([clean]); }
    else { updated = contacts.map(function(c,i){ return i===editing?clean:c; }); }
    setContacts(updated); saveData(updated); setEditing(null); setDraft({name:"",phone:"",message:""});
  }

  function deleteContact(i) {
    var updated = contacts.filter(function(_,idx){ return idx!==i; });
    setContacts(updated); saveData(updated); setDeleteConfirm(null); setEditing(null);
  }

  function sendText(c) {
    var ph = c.phone.replace(/[^0-9+]/g,"");
    window.location.href = "sms:" + ph + "?body=" + encodeURIComponent(c.message||"");
  }

  function callContact(c) {
    var ph = c.phone.replace(/[^0-9+]/g,"");
    window.location.href = "tel:" + ph;
  }

  var result = conv(val, cat, from, to);

  /* ── Helper to build content items ── */
  function renderItem(item, j, section, total) {
    if (item.type === "phone") return e("a", {key:j, href:item.href, style:{
      display:"block",textDecoration:"none",background:section.bg,
      border:"1px solid "+section.border,borderRadius:10,padding:"16px 18px",margin:"8px 0",cursor:"pointer"
    }},
      e("div",{style:{fontSize:19,fontWeight:700,color:section.color,fontFamily:"Georgia, serif",marginBottom:5}},item.text),
      item.sub && e("div",{style:{fontSize:14,color:"#7A7470",lineHeight:1.55}},item.sub)
    );
    if (item.type === "bigtext") return e("div",{key:j,style:{
      padding:"12px 14px",fontSize:19,fontWeight:700,color:section.color,fontFamily:"Georgia, serif",lineHeight:1.4
    }},item.text);
    if (item.type === "step") return e("div",{key:j,style:{
      display:"flex",gap:14,alignItems:"flex-start",padding:"12px 10px",
      borderBottom:(j<total-1 && section.content[j+1] && section.content[j+1].type==="step")?"1px solid #F0EBE6":"none"
    }},
      e("span",{style:{flexShrink:0,width:32,height:32,borderRadius:"50%",background:section.color,
        color:"#FFF",fontSize:15,fontWeight:700,display:"flex",alignItems:"center",justifyContent:"center",
        fontFamily:"monospace",marginTop:2}},item.num),
      e("span",{style:{fontSize:16,color:"#3D3530",lineHeight:1.6,paddingTop:5}},item.text)
    );
    return e("div",{key:j,style:{
      padding:"11px 14px",fontSize:15,color:"#4A4440",lineHeight:1.65,
      borderBottom:j<total-1?"1px solid #F0EBE6":"none"
    }},item.text);
  }

  /* ── Contact form builder ── */
  function contactForm(isNew) {
    return e("div",{style:{background:CC.bg,border:"1px solid "+CC.border,borderRadius:10,padding:"14px 16px",margin:"8px 0"}},
      e("label",{style:{display:"block",fontSize:12,color:"#8B7E74",fontWeight:600,marginBottom:6,fontFamily:"Georgia, serif"}},"Name"),
      e("input",{type:"text",value:draft.name,placeholder:"Mom, Sarah, Uncle Mike...",maxLength:30,
        onChange:function(ev){setDraft({name:ev.target.value,phone:draft.phone,message:draft.message});},
        style:{width:"100%",padding:"12px 14px",fontSize:16,border:"1px solid #E0D8CF",borderRadius:8,
          background:"#FFF",color:"#2C2C2C",outline:"none",boxSizing:"border-box",fontFamily:"Georgia, serif",marginBottom:10}}),
      e("label",{style:{display:"block",fontSize:12,color:"#8B7E74",fontWeight:600,marginBottom:6,fontFamily:"Georgia, serif"}},"Phone number"),
      e("input",{type:"tel",value:draft.phone,placeholder:"555-123-4567",maxLength:20,
        onChange:function(ev){setDraft({name:draft.name,phone:ev.target.value,message:draft.message});},
        style:{width:"100%",padding:"12px 14px",fontSize:16,border:"1px solid #E0D8CF",borderRadius:8,
          background:"#FFF",color:"#2C2C2C",outline:"none",boxSizing:"border-box",fontFamily:"Georgia, serif",marginBottom:10}}),
      e("label",{style:{display:"block",fontSize:12,color:"#8B7E74",fontWeight:600,marginBottom:6,fontFamily:"Georgia, serif"}},"Code word or distress message"),
      e("input",{type:"text",value:draft.message,placeholder:"e.g. 'blue sky' or 'I need help, come now'",maxLength:100,
        onChange:function(ev){setDraft({name:draft.name,phone:draft.phone,message:ev.target.value});},
        style:{width:"100%",padding:"12px 14px",fontSize:16,border:"1px solid #E0D8CF",borderRadius:8,
          background:"#FFF",color:"#2C2C2C",outline:"none",boxSizing:"border-box",fontFamily:"Georgia, serif",marginBottom:14}}),
      e("div",{style:{display:"flex",gap:8}},
        e("button",{onClick:saveDraft,style:{flex:1,padding:"12px",fontSize:15,fontWeight:700,
          background:CC.color,color:"#FFF",border:"none",borderRadius:8,cursor:"pointer",fontFamily:"Georgia, serif"}},"Save"),
        e("button",{onClick:cancelEdit,style:{flex:1,padding:"12px",fontSize:15,
          background:"#F0EBE6",color:"#7A7470",border:"none",borderRadius:8,cursor:"pointer",fontFamily:"Georgia, serif"}},"Cancel")
      ),
      !isNew && e("div",{style:{marginTop:10,textAlign:"center"}},
        deleteConfirm === editing
          ? e("div",{style:{display:"flex",gap:8,justifyContent:"center",alignItems:"center"}},
              e("span",{style:{fontSize:13,color:"#C44D3F"}},"Delete this contact?"),
              e("button",{onClick:function(){deleteContact(editing);},style:{padding:"6px 14px",fontSize:13,fontWeight:700,
                background:"#C44D3F",color:"#FFF",border:"none",borderRadius:6,cursor:"pointer"}},"Yes, delete"),
              e("button",{onClick:function(){setDeleteConfirm(null);},style:{padding:"6px 14px",fontSize:13,
                background:"#F0EBE6",color:"#7A7470",border:"none",borderRadius:6,cursor:"pointer"}},"No")
            )
          : e("button",{onClick:function(){setDeleteConfirm(editing);},style:{padding:"6px 14px",fontSize:12,color:"#C44D3F",
              background:"none",border:"none",cursor:"pointer",textDecoration:"underline"}},"Delete this contact")
      )
    );
  }

  /* ── Contact display card ── */
  function contactCard(c, i) {
    return e("div",{key:i,style:{background:CC.bg,border:"1px solid "+CC.border,borderRadius:10,padding:"14px 16px",margin:"8px 0"}},
      editing === i ? contactForm(false) :
      e("div",null,
        e("div",{style:{fontSize:18,fontWeight:700,color:CC.color,fontFamily:"Georgia, serif",marginBottom:2}},c.name||"No name"),
        e("div",{style:{fontSize:14,color:"#7A7470",marginBottom:c.message?4:10}},c.phone),
        c.message && e("div",{style:{fontSize:14,color:"#5B6B3D",fontStyle:"italic",marginBottom:10,lineHeight:1.5}},
          "Message: \u201C"+c.message+"\u201D"),
        e("div",{style:{display:"flex",gap:8}},
          c.message && e("button",{onClick:function(){sendText(c);},style:{flex:1,padding:"12px",fontSize:15,fontWeight:700,
            background:"#5B6B3D",color:"#FFF",border:"none",borderRadius:8,cursor:"pointer",fontFamily:"Georgia, serif"}},"Send text"),
          e("button",{onClick:function(){callContact(c);},style:{flex:1,padding:"12px",fontSize:15,fontWeight:700,
            background:CC.color,color:"#FFF",border:"none",borderRadius:8,cursor:"pointer",fontFamily:"Georgia, serif"}},"Call"),
          e("button",{onClick:function(){startEdit(i);},style:{padding:"12px 16px",fontSize:14,
            background:"#F0EBE6",color:"#7A7470",border:"none",borderRadius:8,cursor:"pointer"}},"Edit")
        )
      )
    );
  }

  /* ════════ SAFE VIEW ════════ */
  if (safe) return e("div",{style:{minHeight:"100vh",background:"#FAFAF8",margin:0,padding:0}},
    /* Exit bar */
    e("div",{onClick:exit,style:{position:"sticky",top:0,zIndex:100,background:"#F5F0EB",
      borderBottom:"1px solid #E0D8CF",padding:"14px 20px",cursor:"pointer",
      display:"flex",justifyContent:"space-between",alignItems:"center"}},
      e("span",{style:{fontFamily:"monospace",fontSize:14,color:"#8B7E74",letterSpacing:1}},"UNIT CONVERTER"),
      e("span",{style:{fontSize:13,color:"#C44D3F",fontWeight:700,fontFamily:"monospace",
        background:"#FDF0EE",padding:"6px 14px",borderRadius:6,border:"1px solid #F0C4BF"}},"\u2715 EXIT")
    ),
    e("div",{style:{maxWidth:540,margin:"0 auto",padding:"12px 16px 80px"}},
      /* Header */
      e("div",{style:{textAlign:"center",padding:"20px 12px 24px"}},
        e("p",{style:{fontSize:22,color:"#3D3530",margin:"0 0 10px",fontWeight:700,lineHeight:1.3,
          fontFamily:"Georgia, 'Times New Roman', serif"}},"You are not alone."),
        e("p",{style:{fontSize:15,color:"#8B7E74",margin:0,lineHeight:1.5,fontFamily:"Georgia, serif"}},
          "Pick what you need. Press ESC or tap EXIT anytime.")
      ),

      /* My safe people */
      e("div",{style:{marginBottom:10}},
        e("button",{onClick:function(){setContactsOpen(!contactsOpen);setEditing(null);setDeleteConfirm(null);},
          style:{width:"100%",textAlign:"left",cursor:"pointer",
            background:contactsOpen?CC.bg:"#FFFFFF",
            border:"2px solid "+(contactsOpen?CC.border:"#E8E3DE"),
            borderRadius:contactsOpen?"10px 10px 0 0":"10px",
            padding:"18px 20px",fontSize:17,fontFamily:"Georgia, serif",
            color:CC.color,fontWeight:700,display:"flex",justifyContent:"space-between",
            alignItems:"center",transition:"all 0.15s",lineHeight:1.3}},
          e("span",null,"My safe people"+(contacts.length>0?" ("+contacts.length+")":"")),
          e("span",{style:{fontSize:24,fontWeight:300,color:CC.color,
            transform:contactsOpen?"rotate(45deg)":"none",transition:"transform 0.2s",
            lineHeight:1,flexShrink:0,marginLeft:12}},"+")
        ),
        contactsOpen && e("div",{style:{background:"#FFFFFF",border:"2px solid "+CC.border,
          borderTop:"none",borderRadius:"0 0 10px 10px",padding:"10px 12px 16px"}},
          e("div",{style:{fontSize:14,color:"#7A7470",lineHeight:1.6,padding:"8px 8px 14px",
            borderBottom:"1px solid #F0EBE6",marginBottom:10}},
            "Save numbers you can\u2019t keep in your regular contacts. Add a code word or message \u2014 one tap sends it."
            +(contacts.length>0?"":" Tap the button below to add someone.")),
          contacts.map(function(c,i){ return contactCard(c,i); }),
          editing === "new" && contactForm(true),
          editing === null && contacts.length < 5 && e("button",{onClick:startAdd,style:{
            width:"100%",padding:"14px",margin:"8px 0",fontSize:16,fontWeight:600,
            background:"#FFF",color:CC.color,border:"2px dashed "+CC.border,
            borderRadius:10,cursor:"pointer",fontFamily:"Georgia, serif"}},
            "+ Add a safe person"),
          contacts.length >= 5 && editing === null && e("div",{style:{fontSize:13,color:"#8B7E74",
            textAlign:"center",padding:8}},"5 contacts maximum. Edit or delete one to add another.")
        )
      ),

      /* Help sections */
      HELP.map(function(section,i){
        return e("div",{key:i,style:{marginBottom:10}},
          e("button",{onClick:function(){setOpen(open===i?null:i);},
            style:{width:"100%",textAlign:"left",cursor:"pointer",
              background:open===i?section.bg:"#FFFFFF",
              border:"2px solid "+(open===i?section.border:"#E8E3DE"),
              borderRadius:open===i?"10px 10px 0 0":"10px",
              padding:"18px 20px",fontSize:17,fontFamily:"Georgia, serif",
              color:section.color,fontWeight:700,display:"flex",justifyContent:"space-between",
              alignItems:"center",transition:"all 0.15s",lineHeight:1.3}},
            e("span",null,section.label),
            e("span",{style:{fontSize:24,fontWeight:300,color:section.color,
              transform:open===i?"rotate(45deg)":"none",transition:"transform 0.2s",
              lineHeight:1,flexShrink:0,marginLeft:12}},"+")
          ),
          open===i && e("div",{style:{background:"#FFFFFF",border:"2px solid "+section.border,
            borderTop:"none",borderRadius:"0 0 10px 10px",padding:"6px 10px 14px"}},
            section.content.map(function(item,j){ return renderItem(item,j,section,section.content.length); })
          )
        );
      }),

      /* Bottom reminder */
      e("div",{style:{marginTop:28,padding:"18px 20px",background:"#F5F2EE",borderRadius:10,
        border:"1px solid #E0D8CF",fontSize:14,color:"#6B6360",lineHeight:1.8}},
        e("strong",{style:{color:"#3D3530"}},"Before you close this page:"),e("br"),
        "Clear your browser history for this visit, or use incognito mode next time.",e("br"),
        "To return here, type ",
        e("strong",{style:{color:"#3D3530",background:"#E8E2DB",padding:"2px 8px",borderRadius:4,fontFamily:"monospace"}},"911"),
        " in the converter. Any order works. Any decimal works.",e("br"),
        "Your saved contacts will still be here when you come back."
      )
    )
  );

  /* ════════ CONVERTER VIEW ════════ */
  return e("div",{style:{minHeight:"100vh",background:"#FAFAF8",margin:0,padding:0}},
    e("div",{style:{background:"#F5F0EB",borderBottom:"1px solid #E0D8CF",padding:"16px 20px"}},
      e("span",{style:{fontFamily:"monospace",fontSize:14,color:"#8B7E74",letterSpacing:1}},"UNIT CONVERTER")
    ),
    e("div",{style:{maxWidth:420,margin:"0 auto",padding:"28px 16px"}},
      /* Category tabs */
      e("div",{style:{display:"flex",gap:0,marginBottom:24,borderRadius:8,overflow:"hidden",border:"1px solid #E0D8CF"}},
        Object.keys(CATS).map(function(c){
          return e("button",{key:c,onClick:function(){switchCat(c);},style:{
            flex:1,padding:"11px 4px",fontSize:12,fontFamily:"monospace",
            background:cat===c?"#E8E2DB":"#FFFFFF",color:cat===c?"#3D3530":"#A09890",
            border:"none",borderRight:"1px solid #E0D8CF",cursor:"pointer",fontWeight:cat===c?700:400}},c);
        })
      ),
      /* Input */
      e("label",{style:{display:"block",fontSize:11,color:"#A09890",fontFamily:"monospace",marginBottom:6,letterSpacing:0.5}},"VALUE"),
      e("input",{ref:inputRef,type:"text",inputMode:"decimal",value:val,onChange:handleInput,
        placeholder:"0",maxLength:12,style:{width:"100%",padding:"14px 16px",fontSize:28,
          fontFamily:"monospace",border:"1px solid #E0D8CF",borderRadius:8,background:"#FFF",
          color:"#2C2C2C",outline:"none",boxSizing:"border-box",marginBottom:18}}),
      /* From */
      e("label",{style:{display:"block",fontSize:11,color:"#A09890",fontFamily:"monospace",marginBottom:6,letterSpacing:0.5}},"FROM"),
      e("select",{value:from,onChange:function(ev){setFrom(ev.target.value);},style:{
        width:"100%",padding:"12px 16px",fontSize:15,border:"1px solid #E0D8CF",borderRadius:8,
        background:"#FFF",color:"#2C2C2C",outline:"none",appearance:"none",cursor:"pointer",
        boxSizing:"border-box",marginBottom:8}},
        CATS[cat].units.map(function(u){return e("option",{key:u,value:u},u);})
      ),
      /* Swap */
      e("div",{style:{textAlign:"center",margin:"2px 0"}},
        e("button",{onClick:function(){var t=from;setFrom(to);setTo(t);},style:{
          background:"none",border:"none",fontSize:20,color:"#B8ADA2",cursor:"pointer",padding:"4px 12px"}},"\u2195")
      ),
      /* To */
      e("label",{style:{display:"block",fontSize:11,color:"#A09890",fontFamily:"monospace",marginBottom:6,letterSpacing:0.5}},"TO"),
      e("select",{value:to,onChange:function(ev){setTo(ev.target.value);},style:{
        width:"100%",padding:"12px 16px",fontSize:15,border:"1px solid #E0D8CF",borderRadius:8,
        background:"#FFF",color:"#2C2C2C",outline:"none",appearance:"none",cursor:"pointer",
        boxSizing:"border-box",marginBottom:22}},
        CATS[cat].units.map(function(u){return e("option",{key:u,value:u},u);})
      ),
      /* Result */
      e("div",{style:{background:"#F5F2EE",border:"1px solid #E0D8CF",borderRadius:8,padding:"20px",textAlign:"center"}},
        e("div",{style:{fontSize:11,color:"#A09890",fontFamily:"monospace",marginBottom:8,letterSpacing:0.5}},"RESULT"),
        e("div",{style:{fontSize:32,fontFamily:"monospace",color:"#3D3530",minHeight:42}},result||"\u2014"),
        result && e("div",{style:{fontSize:13,color:"#A09890",marginTop:6}},to)
      ),
      e("div",{style:{marginTop:48,textAlign:"center",fontSize:11,color:"#C8C0B8",fontFamily:"monospace"}},
        "quick conversions \u2014 no ads, no tracking")
    )
  );
}

ReactDOM.createRoot(document.getElementById("root")).render(e(App));

if ("serviceWorker" in navigator) {
  navigator.serviceWorker.register("/sw.js").catch(function(){});
}
</script>
</body>
</html>