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Focus Flow

A Pomodoro focus timer with task queue, session stats, and streaks.

productivity
9 downloads

By Lucas

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name: Focus Flow description: "A Pomodoro focus timer with task queue, session stats, and streaks." category: productivity connections: [] version: 1

Purpose & behavior

A complete Pomodoro focus timer. Pick Focus / Short break / Long break modes with 15/25/50-minute presets or a custom length, then start a session on the animated progress ring. A task queue lets you add tasks with planned pomodoro counts, mark an active task, and check tasks off — each finished focus session automatically credits one pomodoro to the active task. Today stats track focus minutes and completed sessions, a streak counter tracks consecutive active days, and a gentle overlay (with a soft chime) celebrates each completed session and suggests the next break. After every 4th focus session a long break is suggested.

Setup

  • Open app.html in any browser — no build step, no dependencies.
  • Your timers, tasks, stats, and streaks persist in the browser via localStorage (key focusFlowV1).
  • Tweak the starter tasks in the SAMPLE_TASKS constant, or just delete them and add your own in the UI.

Source

app.html — the complete app (single self-contained file: HTML, CSS, and JavaScript, no external dependencies):

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Focus Flow — Pomodoro Timer</title>
<style>
:root{
  --bg1:#131029; --bg2:#221a4e; --bg3:#3b2063;
  --card:rgba(255,255,255,.07); --card2:rgba(255,255,255,.11);
  --brd:rgba(255,255,255,.14);
  --ink:#f5f3ff; --muted:#b7b0d8;
  --acc:#8b5cf6; --acc2:#c084fc; --grn:#34d399; --red:#f87171;
  --r:18px; --sh:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:radial-gradient(1200px 800px at 20% -10%,var(--bg3),transparent),
             radial-gradient(1000px 700px at 110% 110%,#4c1d95,transparent),
             linear-gradient(160deg,var(--bg1),var(--bg2));
  color:var(--ink);min-height:100vh;padding:28px 18px 60px}
.wrap{max-width:1060px;margin:0 auto}
header{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.logo{font-size:22px;font-weight:800;letter-spacing:-.5px}
.logo span{background:linear-gradient(90deg,var(--acc2),var(--acc));-webkit-background-clip:text;background-clip:text;color:transparent}
.streak-pill{background:var(--card);border:1px solid var(--brd);border-radius:999px;padding:8px 16px;font-size:14px;font-weight:700;backdrop-filter:blur(8px)}
.grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
@media(max-width:860px){.grid{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--brd);border-radius:var(--r);box-shadow:var(--sh);padding:26px;backdrop-filter:blur(10px)}
.tabs{display:flex;gap:8px;margin-bottom:18px}
.tab{flex:1;border:1px solid var(--brd);background:transparent;color:var(--muted);border-radius:12px;padding:10px;font-size:14px;font-weight:700;cursor:pointer}
.tab.on{background:linear-gradient(135deg,var(--acc),#6d28d9);color:#fff;border-color:transparent}
.ringwrap{position:relative;width:280px;height:280px;margin:6px auto 10px}
.ringwrap svg{transform:rotate(-90deg)}
.tcenter{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
#time{font-size:56px;font-weight:800;letter-spacing:-2px;font-variant-numeric:tabular-nums}
#modelabel{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:2px;margin-top:4px}
.presets{display:flex;gap:8px;justify-content:center;margin:14px 0;flex-wrap:wrap;align-items:center}
.chip{border:1px solid var(--brd);background:var(--card2);color:var(--ink);border-radius:999px;padding:7px 14px;font-size:13px;font-weight:700;cursor:pointer}
.chip:hover{background:rgba(255,255,255,.18)}
.custom{display:flex;gap:6px;align-items:center;margin-left:6px}
.custom input{width:64px;background:rgba(0,0,0,.3);border:1px solid var(--brd);color:var(--ink);border-radius:10px;padding:7px 10px;font-size:13px}
.btn{border:none;border-radius:12px;padding:12px 22px;font-size:15px;font-weight:800;cursor:pointer}
.btn-p{background:linear-gradient(135deg,var(--acc2),var(--acc));color:#fff;box-shadow:0 6px 18px rgba(139,92,246,.45)}
.btn-g{background:var(--card2);color:var(--ink);border:1px solid var(--brd)}
.controls{display:flex;gap:10px;justify-content:center;margin-top:6px}
h2{font-size:17px;margin-bottom:14px}
.addrow{display:flex;gap:8px;margin-bottom:14px}
.addrow input[type=text]{flex:1;background:rgba(0,0,0,.3);border:1px solid var(--brd);color:var(--ink);border-radius:12px;padding:11px 14px;font-size:14px}
.addrow input[type=number]{width:76px;background:rgba(0,0,0,.3);border:1px solid var(--brd);color:var(--ink);border-radius:12px;padding:11px 10px;font-size:14px}
.task{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--brd);border-radius:14px;margin-bottom:10px;background:rgba(0,0,0,.18);cursor:pointer}
.task.active{border-color:var(--acc);box-shadow:0 0 0 1px var(--acc)}
.task .nm{flex:1;font-size:15px;font-weight:600}
.task.done .nm{text-decoration:line-through;color:var(--muted)}
.task .meta{font-size:12px;color:var(--muted);background:rgba(255,255,255,.08);border-radius:8px;padding:4px 10px;white-space:nowrap}
.ck{width:24px;height:24px;border-radius:50%;border:2px solid var(--muted);background:transparent;cursor:pointer;flex:none;display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px}
.task.done .ck{background:var(--grn);border-color:var(--grn)}
.del{background:none;border:none;color:var(--muted);font-size:18px;cursor:pointer;padding:4px}
.del:hover{color:var(--red)}
.empty{text-align:center;color:var(--muted);padding:26px 0;font-size:14px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.stat{text-align:center}
.stat .n{font-size:34px;font-weight:800;background:linear-gradient(90deg,#fff,var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .l{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-top:4px}
.overlay{position:fixed;inset:0;background:rgba(10,6,26,.7);display:none;align-items:center;justify-content:center;padding:20px;z-index:20;backdrop-filter:blur(6px)}
.overlay.open{display:flex}
.sheet{background:linear-gradient(160deg,#2b2158,#1c1540);border:1px solid var(--brd);border-radius:22px;padding:36px;text-align:center;max-width:380px;box-shadow:var(--sh)}
.sheet .big{font-size:44px;margin-bottom:10px}
.sheet h3{font-size:22px;margin-bottom:8px}
.sheet p{color:var(--muted);font-size:14px;margin-bottom:20px}
.hint{font-size:12px;color:var(--muted);text-align:center;margin-top:10px}
</style>
</head>
<body>
<div class="wrap">
  <header>
    <div class="logo">◉ Focus <span>Flow</span></div>
    <div class="streak-pill">🔥 <span id="streakTop">0</span>-day streak</div>
  </header>
  <div class="grid">
    <div class="card">
      <div class="tabs">
        <button class="tab" data-m="focus" onclick="setMode('focus')">Focus</button>
        <button class="tab" data-m="short" onclick="setMode('short')">Short break</button>
        <button class="tab" data-m="long" onclick="setMode('long')">Long break</button>
      </div>
      <div class="ringwrap">
        <svg width="280" height="280">
          <defs><linearGradient id="g" x1="0" y1="0" x2="1" y2="1">
            <stop offset="0" stop-color="#c084fc"/><stop offset="1" stop-color="#8b5cf6"/>
          </linearGradient></defs>
          <circle cx="140" cy="140" r="120" fill="none" stroke="rgba(255,255,255,.1)" stroke-width="14"/>
          <circle id="ring" cx="140" cy="140" r="120" fill="none" stroke="url(#g)" stroke-width="14" stroke-linecap="round" stroke-dasharray="754" stroke-dashoffset="0"/>
        </svg>
        <div class="tcenter"><div id="time">25:00</div><div id="modelabel">Focus</div></div>
      </div>
      <div class="presets">
        <button class="chip" onclick="quickSet(15)">15</button>
        <button class="chip" onclick="quickSet(25)">25</button>
        <button class="chip" onclick="quickSet(50)">50</button>
        <span class="custom"><input type="number" id="customMin" min="1" max="180" placeholder="min"><button class="chip" onclick="applyCustom()">Set</button></span>
      </div>
      <div class="controls">
        <button class="btn btn-p" id="startBtn" onclick="toggle()">Start</button>
        <button class="btn btn-g" onclick="reset()">Reset</button>
        <button class="btn btn-g" onclick="skip()">Skip →</button>
      </div>
      <div class="hint" id="cycleHint"></div>
    </div>
    <div class="card">
      <h2>Task queue</h2>
      <div class="addrow">
        <input type="text" id="tText" placeholder="New task… (Enter to add)" onkeydown="if(event.key==='Enter')addTask()">
        <input type="number" id="tEst" min="1" max="12" value="1" title="Pomodoros planned">
        <button class="btn btn-p" style="padding:11px 18px" onclick="addTask()">Add</button>
      </div>
      <div id="tasks"></div>
      <div class="hint">Click a task to make it active — finished focus sessions count toward it.</div>
    </div>
  </div>
  <div class="stats">
    <div class="card stat"><div class="n" id="sMin">0</div><div class="l">Focus minutes today</div></div>
    <div class="card stat"><div class="n" id="sSes">0</div><div class="l">Sessions today</div></div>
    <div class="card stat"><div class="n" id="sStr">0</div><div class="l">Day streak</div></div>
  </div>
</div>
<div class="overlay" id="overlay">
  <div class="sheet">
    <div class="big" id="ovEmoji">🎉</div>
    <h3 id="ovTitle">Focus complete!</h3>
    <p id="ovMsg">Nice work. Take a breather.</p>
    <button class="btn btn-p" id="ovBtn" onclick="ovGo()">Start short break</button><br><br>
    <button class="btn btn-g" onclick="ovClose()">Not now</button>
  </div>
</div>
<script>
const LS='focusFlowV1';
const $=id=>document.getElementById(id);
const todayS=()=>new Date().toISOString().slice(0,10);
const yestS=()=>new Date(Date.now()-864e5).toISOString().slice(0,10);
const MLABEL={focus:'Focus',short:'Short break',long:'Long break'};
const SAMPLE_TASKS=[
  {id:1,text:'Write project outline',est:3,done:1,active:true},
  {id:2,text:'Review pull requests',est:2,done:0,active:false},
  {id:3,text:'Tidy up inbox',est:1,done:0,active:false}
];
function blankState(){return{
  mode:'focus',dur:{focus:25,short:5,long:15},nextId:4,
  tasks:JSON.parse(JSON.stringify(SAMPLE_TASKS)),
  day:todayS(),focusMin:0,sessions:0,cycle:0,streak:0,lastActive:null};}
let S;try{S=JSON.parse(localStorage.getItem(LS))||blankState();}catch(e){S=blankState();}
if(S.day!==todayS()){S.day=todayS();S.focusMin=0;S.sessions=0;S.cycle=0;}
const save=()=>localStorage.setItem(LS,JSON.stringify(S));
let total=1,left=0,endAt=0,ticking=false,tmr=null,suggest='short';
const CIRC=754;
function fmt(s){return String(Math.floor(s/60)).padStart(2,'0')+':'+String(s%60).padStart(2,'0');}
function esc(s){return String(s).replace(/[&<>"']/g,c=>({'&':'&amp;','<':'&lt;','>':'&gt;','"':'&quot;',"'":'&#39;'}[c]));}
function setMode(m){S.mode=m;stopTick();left=S.dur[m]*60;total=Math.max(1,left);render();save();}
function quickSet(min){S.dur.focus=min;setMode('focus');}
function applyCustom(){const v=parseInt($('customMin').value,10);if(v>=1&&v<=180){S.dur[S.mode]=v;setMode(S.mode);}$('customMin').value='';}
function toggle(){if(ticking){pause();}else{start();}}
function start(){if(ticking)return;if(left<=0){left=S.dur[S.mode]*60;total=Math.max(1,left);}endAt=Date.now()+left*1000;ticking=true;tmr=setInterval(tick,250);render();}
function pause(){ticking=false;clearInterval(tmr);render();}
function stopTick(){ticking=false;clearInterval(tmr);}
function reset(){stopTick();left=S.dur[S.mode]*60;total=Math.max(1,left);render();}
function skip(){stopTick();finish(true);}
function tick(){left=Math.max(0,Math.round((endAt-Date.now())/1000));if(left<=0){finish(false);}render();}
function beep(){try{const A=new (window.AudioContext||window.webkitAudioContext)();const o=A.createOscillator(),g=A.createGain();o.connect(g);g.connect(A.destination);o.frequency.value=660;g.gain.setValueAtTime(.001,A.currentTime);g.gain.exponentialRampToValueAtTime(.3,A.currentTime+.05);g.gain.exponentialRampToValueAtTime(.001,A.currentTime+.6);o.start();o.stop(A.currentTime+.65);}catch(e){}}
function finish(skipped){
  stopTick();
  const wasFocus=S.mode==='focus';
  if(wasFocus&&!skipped){
    S.sessions++;S.focusMin+=S.dur.focus;S.cycle++;
    const t=todayS();
    if(S.lastActive!==t){S.streak=(S.lastActive===yestS())?S.streak+1:1;S.lastActive=t;}
    const act=S.tasks.find(x=>x.active&&x.done<x.est);
    if(act){act.done=Math.min(act.est,act.done+1);}
    beep();
    suggest=(S.cycle%4===0)?'long':'short';
    showOv('🎉','Focus complete!','You banked '+S.dur.focus+' focused minutes. Time for a '+MLABEL[suggest].toLowerCase()+'.','Start '+MLABEL[suggest].toLowerCase());
  }else if(!skipped){
    beep();suggest='focus';showOv('⚡','Break over','Feeling recharged? Let us get back to it.','Start focus');
  }
  left=0;render();save();
}
function showOv(e,t,m,b){$('ovEmoji').textContent=e;$('ovTitle').textContent=t;$('ovMsg').textContent=m;$('ovBtn').textContent=b;$('overlay').classList.add('open');}
function ovGo(){$('overlay').classList.remove('open');setMode(suggest);start();}
function ovClose(){$('overlay').classList.remove('open');}
function addTask(){const v=$('tText').value.trim();if(!v)return;const est=Math.max(1,parseInt($('tEst').value,10)||1);S.tasks.push({id:S.nextId++,text:v,est:est,done:0,active:!S.tasks.some(t=>t.active)});$('tText').value='';$('tEst').value=1;save();render();}
function delTask(id,ev){ev.stopPropagation();S.tasks=S.tasks.filter(t=>t.id!==id);if(!S.tasks.some(t=>t.active)&&S.tasks.length){S.tasks[0].active=true;}save();render();}
function setActive(id){S.tasks.forEach(t=>{t.active=(t.id===id);});save();render();}
function toggleDone(id,ev){ev.stopPropagation();const t=S.tasks.find(x=>x.id===id);if(t){t.done=(t.done>=t.est)?0:t.est;}save();render();}
function render(){
  $('time').textContent=fmt(left);
  $('modelabel').textContent=MLABEL[S.mode];
  $('ring').style.strokeDashoffset=CIRC*(1-(total?left/total:0));
  const tabs=document.querySelectorAll('.tab');
  for(let i=0;i<tabs.length;i++){tabs[i].classList.toggle('on',tabs[i].getAttribute('data-m')===S.mode);}
  $('startBtn').textContent=ticking?'Pause':'Start';
  $('sMin').textContent=S.focusMin;$('sSes').textContent=S.sessions;
  $('sStr').textContent=S.streak;$('streakTop').textContent=S.streak;
  $('cycleHint').textContent=S.mode==='focus'?('Session '+(S.cycle%4+1)+' of 4 — long break after every 4th'):'';
  const box=$('tasks');
  if(S.tasks.length){
    box.innerHTML=S.tasks.map(t=>
      '<div class="task'+(t.active?' active':'')+(t.done>=t.est?' done':'')+'" onclick="setActive('+t.id+')">'+
      '<button class="ck" onclick="toggleDone('+t.id+',event)">'+(t.done>=t.est?'✓':'')+'</button>'+
      '<span class="nm">'+esc(t.text)+'</span>'+
      '<span class="meta">🍅 '+Math.min(t.done,t.est)+'/'+t.est+'</span>'+
      '<button class="del" onclick="delTask('+t.id+',event)" title="Delete">×</button></div>').join('');
  }else{
    box.innerHTML='<div class="empty">No tasks yet — add one above.</div>';
  }
  document.title=fmt(left)+' · Focus Flow';
}
setMode(S.mode||'focus');
</script>
</body>
</html>

Rebuild instructions

  1. Create app.html as a single self-contained file: HTML + CSS + JavaScript, no external dependencies.
  2. Style it with a deep indigo/violet gradient background, glassmorphism cards, and an SVG progress ring (r=120, circumference 754) with a violet gradient stroke around big tabular-numeral digits.
  3. Implement modes Focus/Short/Long with a durations object {focus:25,short:5,long:15}; preset chips set the focus length (15/25/50) and a custom-minutes input sets the current mode's length.
  4. Drive the countdown from a timestamp (endAt = Date.now() + left*1000, tick every 250ms) so it stays accurate; Start/Pause, Reset, and Skip controls.
  5. Build the task queue: add (text + pomodoro estimate), click-to-activate, check/uncheck (done/est), delete; credit one pomodoro to the active task per finished focus session.
  6. Track per-day stats (focus minutes, sessions, 4-session cycle) and a consecutive-day streak; reset daily counters when the date changes.
  7. On session end, play a short WebAudio chime and show a completion overlay with a suggested next step.
  8. Persist the whole state object to localStorage on every change and reseed from SAMPLE_TASKS on first run.

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