Chatvenster in WhatsApp-stijl Nieuw

<!-- Chatvenster in WhatsApp-stijl · NedDev · eigen werk. -->
<div class="jouw-container">
<div class="cwa"><div class="cwa__win">
<div class="cwa__head"><span class="cwa__av" aria-hidden="true">RH</span><div class="cwa__who"><b>Hendriks Installatie</b><span class="cwa__stat">Reageert meestal binnen 10 min</span></div><a class="cwa__wa" href="https://wa.me/31101234567" target="_blank" rel="noopener"><svg viewBox="0 0 16 16" aria-hidden="true"><path d="M8 1.5a6.5 6.5 0 0 0-5.6 9.8L1.5 14.5l3.3-.9A6.5 6.5 0 1 0 8 1.5z"/></svg><span class="cwa__wa-l">Ga verder in WhatsApp</span><span class="cwa__wa-s">WhatsApp</span></a></div>
<div class="cwa__log" role="log" aria-live="polite" aria-label="Gesprek met Hendriks Installatie" tabindex="0">
<p class="cwa__day">Vandaag</p>
<div class="cwa__m cwa__m--them"><p>Goedemiddag, je spreekt met Ruben van Hendriks Installatie. Waarmee kan ik helpen?</p><span class="cwa__meta"><time>14:02</time></span></div>
<div class="cwa__m cwa__m--me"><p>Mijn cv-ketel geeft code F28 en de radiatoren blijven koud.</p><span class="cwa__meta"><time>14:03</time><span class="cwa__tick" data-s="read" role="img" aria-label="Gelezen"><svg viewBox="0 0 18 10" aria-hidden="true"><path class="cwa__t1" d="M1 5.5l3 3 6-7"/><path class="cwa__t2" d="M7 8.5l1 0.2 6-7.2"/></svg></span></span></div>
<div class="cwa__m cwa__m--them"><p>Vervelend. F28 betekent meestal dat de ketel niet ontsteekt. Staat de gaskraan open?</p><span class="cwa__meta"><time>14:04</time></span></div>
<div class="cwa__typing" aria-hidden="true" hidden><i></i><i></i><i></i></div>
</div>
<div class="cwa__quick" role="group" aria-label="Snelle antwoorden"><button type="button">Ja, die staat open</button><button type="button">Kan er vandaag iemand komen?</button><button type="button">Wat kost een monteur?</button></div>
<form class="cwa__comp"><label class="cwa__sr" for="cwa-in">Bericht aan Hendriks Installatie</label><textarea class="cwa__in" id="cwa-in" rows="1" placeholder="Typ een bericht"></textarea><button class="cwa__send" type="submit" disabled aria-label="Verstuur bericht"><svg viewBox="0 0 16 16" aria-hidden="true"><path d="M2 8l12-6-4.5 12-2-5z"/></svg></button></form>
</div></div>
</div>

/* Chatvenster in WhatsApp-stijl · NedDev · eigen werk. */
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.cwa__who{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.2}
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@keyframes cwa-in{from{opacity:0;transform:translateY(4px)}}
.cwa__m p{margin:0;overflow-wrap:anywhere}
.cwa__m--them{align-self:flex-start;background:#fff;border-top-left-radius:0}
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.cwa__m--them::before,.cwa__m--me::before{content:'';position:absolute;top:0;width:8px;height:9px}
.cwa__m--them::before{left:-7px;background:#fff;clip-path:polygon(100% 0,0 0,100% 100%)}
.cwa__m--me::before{right:-7px;background:#dcefd2;clip-path:polygon(0 0,100% 0,0 100%)}
.cwa__m--sys{align-self:center;max-width:92%;background:#fdf5d8;font-size:12px;color:#3d3d3d;text-align:center;border-radius:6px}
.cwa__m--sys::before{display:none}
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.cwa__tick[data-s="sent"] .cwa__t2{display:none}
.cwa__tick[data-s="read"] svg{stroke:#1f6fd1}
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.cwa__typing i:nth-child(2){animation-delay:.15s}.cwa__typing i:nth-child(3){animation-delay:.3s}
@keyframes cwa-dot{0%,60%,100%{transform:none;opacity:.5}30%{transform:translateY(-3px);opacity:1}}
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.cwa__send{flex:none;width:36px;height:36px;border-radius:50%;border:0;background:#0a0a0a;color:#fff;display:grid;place-items:center;cursor:pointer;transition:background .15s,color .15s}
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.cwa__send:hover:not(:disabled){background:#F5480F;color:#0a0a0a}
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.cwa__send:focus-visible{outline:2px solid #F5480F;outline-offset:2px}
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@media (prefers-reduced-motion:reduce){.cwa *{transition:none!important;animation:none!important}.cwa__typing i{opacity:.8}}

// Chatvenster in WhatsApp-stijl · NedDev · eigen werk.
// root = het element waarin de HTML staat
function init(root){
root=root.querySelector('.cwa')||root;
var sfx='-'+Math.random().toString(36).slice(2,7),inp=root.querySelector('.cwa__in');inp.id=inp.id+sfx;root.querySelector('.cwa__sr').setAttribute('for',inp.id);
var log=root.querySelector('.cwa__log'),typing=root.querySelector('.cwa__typing'),quick=root.querySelector('.cwa__quick'),form=root.querySelector('.cwa__comp'),send=root.querySelector('.cwa__send'),stat=root.querySelector('.cwa__stat'),wa=root.querySelector('.cwa__wa'),STAT=stat.textContent,queue=0;
var LBL={sent:'Verzonden',dlv:'Afgeleverd',read:'Gelezen'};
function now(){var d=new Date();return String(d.getHours()).padStart(2,'0')+':'+String(d.getMinutes()).padStart(2,'0');}
function bottom(){log.scrollTop=log.scrollHeight;}
function bubble(text,who){var m=document.createElement('div');m.className='cwa__m cwa__m--'+who;var p=document.createElement('p');p.textContent=text;m.appendChild(p);
 if(who!=='sys'){var meta=document.createElement('span');meta.className='cwa__meta';meta.innerHTML='<time>'+now()+'</time>'+(who==='me'?'<span class="cwa__tick" data-s="sent" role="img" aria-label="Verzonden"><svg viewBox="0 0 18 10" aria-hidden="true"><path class="cwa__t1" d="M1 5.5l3 3 6-7"/><path class="cwa__t2" d="M7 8.5l1 0.2 6-7.2"/></svg></span>':'');m.appendChild(meta);}
 log.insertBefore(m,typing);bottom();return m;}
function tick(m,s){var t=m.querySelector('.cwa__tick');if(t){t.dataset.s=s;t.setAttribute('aria-label',LBL[s]);}}
function reply(q){q=q.toLowerCase();
 if(/vandaag|komen|langs/.test(q))return 'Ja, er is vanmiddag nog plek tussen 15:00 en 17:00. Zal ik je inplannen?';
 if(/kost|prijs|tarief/.test(q))return 'Voorrijden plus het eerste half uur is € 89,50 inclusief btw. Onderdelen altijd pas na overleg.';
 if(/open|ja\b/.test(q))return 'Dan is het waarschijnlijk de ontsteking. Ik kan vandaag tussen 15:00 en 17:00 langskomen. Schikt dat?';
 if(/foto/.test(q))return 'Stuur gerust een foto van het display, dan kijk ik even mee.';
 return 'Helder, ik kijk even in de planning en kom er zo bij je op terug.';}
function post(text){text=text.trim();if(!text)return;var m=bubble(text,'me');queue++;
 setTimeout(function(){tick(m,'dlv');},500);
 setTimeout(function(){tick(m,'read');typing.hidden=false;stat.textContent='typt…';bottom();},1200);
 setTimeout(function(){queue--;if(!queue){typing.hidden=true;stat.textContent=STAT;}bubble(reply(text),'them');},2600);}
inp.addEventListener('input',function(){send.disabled=!inp.value.trim();});
inp.addEventListener('keydown',function(e){if(e.key==='Enter'&&!e.shiftKey){e.preventDefault();if(inp.value.trim())form.requestSubmit?form.requestSubmit():form.dispatchEvent(new Event('submit',{cancelable:true}));}});
form.addEventListener('submit',function(e){e.preventDefault();post(inp.value);inp.value='';send.disabled=true;inp.focus();});
quick.addEventListener('click',function(e){var b=e.target.closest('button');if(!b)return;post(b.textContent);var next=b.nextElementSibling||b.previousElementSibling;b.remove();if(next)next.focus();else inp.focus();});
wa.addEventListener('click',function(e){var mine=[].slice.call(log.querySelectorAll('.cwa__m--me p')).map(function(p){return p.textContent;});
 var url='https://wa.me/31101234567?text='+encodeURIComponent(mine.slice(-2).join('\n'));wa.href=url;e.preventDefault();
 bubble('Demo: in productie opent dit WhatsApp met je laatste berichten al ingevuld ('+url.slice(0,40)+'…).','sys');});
bottom();
}
init(document.querySelector('.jouw-container'));