:root{
  --pink:#eb5fae;
  --pink-deep:#c93f8d;
  --pink-pale:#ffe9f5;
  --pink-pale-2:#fff3fa;
  --gold:#c9a227;
  --gold-soft:#e8c76b;
  --plum:#4a0f2c;
  --plum-2:#6b1840;
  --cream:#fff8f5;
  --ink:#3a1030;
  --ink-soft:#7a4a63;
  --white:#ffffff;
  --shadow:0 14px 34px rgba(74,15,44,0.16);
  --radius:20px;
  color-scheme: light;
}

*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  font-family:"Segoe UI",system-ui,-apple-system,Helvetica,Arial,sans-serif;
  background:var(--cream);
  color:var(--ink);
  line-height:1.5;
  display:flex;
  flex-direction:column;
}
h1{font-family:Georgia,"Times New Roman",serif;margin:0;color:var(--ink);}
img{display:block;max-width:100%;}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,248,245,0.94);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid rgba(201,63,141,0.15);
  padding:.75em 1em;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.75em;
}
.brand{display:flex;align-items:center;gap:.5em;}
.brand .crown{color:var(--gold);}
.brand h1{font-size:1.25rem;}
.brand .sub{font-size:.75rem;color:var(--ink-soft);}

#installBtn{
  display:none;
  border:2px solid var(--pink-deep);
  background:transparent;
  color:var(--pink-deep);
  border-radius:999px;
  padding:.5em 1em;
  font-weight:600;
  font-size:.85rem;
  cursor:pointer;
  white-space:nowrap;
}
#installBtn:hover{background:var(--pink-pale);}

#updateBanner{
  display:none;
  background:linear-gradient(135deg,var(--gold-soft),var(--gold));
  color:var(--plum);
  text-align:center;
  padding:.6em 1em;
  font-size:.85rem;
  font-weight:600;
  cursor:pointer;
}

main{
  flex:1;
  display:flex;
  flex-direction:column;
  max-width:720px;
  width:100%;
  margin:0 auto;
  min-height:0;
}

#thread{
  flex:1;
  overflow-y:auto;
  padding:1em;
  display:flex;
  flex-direction:column;
  gap:.6em;
}

.msg{
  max-width:80%;
  padding:.55em .85em;
  border-radius:16px;
  background:var(--white);
  box-shadow:0 4px 14px rgba(74,15,44,0.08);
  align-self:flex-start;
}
.msg.mine{
  align-self:flex-end;
  background:linear-gradient(135deg,var(--pink-pale),var(--pink-pale-2));
}
.msg .name{
  font-weight:700;
  font-size:.78rem;
  color:var(--pink-deep);
  margin-bottom:.15em;
}
.msg .text{
  white-space:pre-wrap;
  word-break:break-word;
  font-size:.95rem;
}
.msg .time{
  font-size:.68rem;
  color:var(--ink-soft);
  margin-top:.25em;
  text-align:right;
}
.msg.system{
  align-self:center;
  background:transparent;
  box-shadow:none;
  color:var(--ink-soft);
  font-size:.8rem;
  font-style:italic;
}

#emojiRow{
  display:flex;
  gap:.35em;
  overflow-x:auto;
  padding:.5em .75em 0;
}
#emojiRow button{
  border:none;
  background:var(--pink-pale);
  border-radius:10px;
  font-size:1.2rem;
  padding:.25em .4em;
  cursor:pointer;
  flex:none;
  line-height:1;
}
#emojiRow button:hover{background:var(--pink-pale-2);}

#composer{
  display:flex;
  gap:.5em;
  padding:.75em;
  border-top:1px solid rgba(201,63,141,0.15);
  background:var(--white);
}
#textInput{
  flex:1;
  resize:none;
  border:1px solid #e7c7d8;
  border-radius:14px;
  padding:.7em .9em;
  font-size:.95rem;
  font-family:inherit;
  max-height:6em;
}
#textInput:focus{outline:2px solid var(--pink);outline-offset:1px;}
#sendBtn{
  border:none;
  border-radius:999px;
  padding:0 1.3em;
  background:linear-gradient(135deg,var(--pink),var(--pink-deep));
  color:var(--white);
  font-weight:700;
  cursor:pointer;
  box-shadow:var(--shadow);
}
#sendBtn:disabled{opacity:.5;cursor:default;}

/* ---- name gate modal ---- */
#nameGate{
  position:fixed;
  inset:0;
  background:rgba(74,15,44,0.45);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:1em;
  z-index:100;
}
#nameGate.hidden{display:none;}
#nameGate .card{
  background:var(--white);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:1.6em;
  max-width:360px;
  width:100%;
  text-align:center;
}
#nameGate h2{font-family:Georgia,serif;margin:0 0 .3em;color:var(--ink);}
#nameGate p{color:var(--ink-soft);font-size:.88rem;margin:0 0 1em;}
#nameGate input{
  width:100%;
  padding:.7em .9em;
  border:1px solid #e7c7d8;
  border-radius:12px;
  font-size:1rem;
  margin-bottom:1em;
  box-sizing:border-box;
}
#nameGate button{
  width:100%;
  border:none;
  border-radius:999px;
  padding:.8em;
  background:linear-gradient(135deg,var(--pink),var(--pink-deep));
  color:var(--white);
  font-weight:700;
  font-size:1rem;
  cursor:pointer;
}