/* Chatalogy arayuz prototipi — 2026-08-26
   WhatsApp'in bilgi mimarisini hedefler, kopyasi degildir:
   ikonografi ve renkler kendimizin, yerlesim ve akis tanidik. */
:root{
  --yesil:#128a6e; --yesil-koyu:#0b6b55; --yesil-acik:#d9fdd3;
  --zemin:#ffffff; --zemin-2:#f7f8fa; --sohbet-zemin:#eae6df;
  --metin:#111b21; --metin-2:#667781; --ayrac:#e9edef;
  --balon-ben:#d9fdd3; --balon-o:#ffffff; --mavi:#53bdeb;
  --ust:#f7f8fa; --vurgu:#25d366;
}
@media (prefers-color-scheme:dark){:root{
  --zemin:#0b141a; --zemin-2:#111b21; --sohbet-zemin:#0b141a;
  --metin:#e9edef; --metin-2:#8696a0; --ayrac:#222d34;
  --balon-ben:#005c4b; --balon-o:#202c33; --ust:#111b21;
}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;overflow:hidden}
body{
  font:400 16px/1.45 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,sans-serif;
  background:var(--zemin);color:var(--metin);
  padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);
}
.ekran{position:fixed;inset:0;display:none;flex-direction:column;background:var(--zemin);
  padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}
.ekran.acik{display:flex}
.ust{background:var(--ust);border-bottom:1px solid var(--ayrac);padding:10px 14px;
  display:flex;align-items:center;gap:12px;flex:0 0 auto}
.ust h1{font-size:20px;font-weight:700;margin:0;flex:1}
.ust .ikon{width:24px;height:24px;color:var(--metin-2);flex:0 0 auto}
.govde{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}
.geri{font-size:26px;line-height:1;color:var(--yesil);cursor:pointer;padding:0 4px 0 0;background:none;border:0}

/* --- sohbet listesi --- */
.satir{display:flex;gap:12px;padding:10px 14px;align-items:center;cursor:pointer;border-bottom:1px solid var(--ayrac)}
.satir:active{background:var(--zemin-2)}
.avatar{width:50px;height:50px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;
  color:#fff;font-weight:600;font-size:18px}
.satir .orta{flex:1;min-width:0}
.satir .ad{font-weight:600;font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.satir .son{color:var(--metin-2);font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  display:flex;align-items:center;gap:4px;margin-top:2px}
.satir .sag{display:flex;flex-direction:column;align-items:flex-end;gap:5px;flex:0 0 auto}
.saat{font-size:12px;color:var(--metin-2)}
.saat.yesil{color:var(--vurgu)}
.rozet{background:var(--vurgu);color:#fff;font-size:12px;font-weight:700;min-width:20px;height:20px;
  border-radius:10px;display:grid;place-items:center;padding:0 6px}
.tik{color:var(--mavi);font-size:13px;letter-spacing:-3px}
.kilit{font-size:11px;color:var(--metin-2)}

/* --- sohbet ekrani --- */
.sohbet-govde{flex:1;overflow-y:auto;background:var(--sohbet-zemin);padding:12px 10px 4px;
  background-image:radial-gradient(circle at 20% 30%,rgba(0,0,0,.02) 1px,transparent 1px);
  background-size:22px 22px}
.balon{max-width:78%;padding:6px 9px 5px;border-radius:9px;margin-bottom:6px;position:relative;
  font-size:15.5px;box-shadow:0 1px .5px rgba(0,0,0,.1);word-wrap:break-word}
.balon.o{background:var(--balon-o);border-top-left-radius:2px;margin-right:auto}
.balon.ben{background:var(--balon-ben);border-top-right-radius:2px;margin-left:auto}
.balon .meta{float:right;margin:6px 0 -2px 8px;font-size:11px;color:var(--metin-2);display:flex;gap:3px;align-items:center}
.sistem{text-align:center;margin:10px auto;max-width:85%;background:#fff5c4;color:#54656f;
  font-size:12.5px;padding:6px 10px;border-radius:8px}
@media (prefers-color-scheme:dark){.sistem{background:#182229;color:#8696a0}}
.giris{flex:0 0 auto;display:flex;gap:8px;padding:8px 10px;background:var(--ust);align-items:flex-end}
.giris .kutu{flex:1;background:var(--zemin);border-radius:22px;padding:9px 14px;color:var(--metin-2);
  border:1px solid var(--ayrac);font-size:15.5px}
.yuvarlak{width:44px;height:44px;border-radius:50%;background:var(--yesil);color:#fff;
  display:grid;place-items:center;flex:0 0 auto;font-size:19px;border:0}

/* --- alt sekmeler --- */
.sekmeler{flex:0 0 auto;display:flex;background:var(--ust);border-top:1px solid var(--ayrac)}
.sekme{flex:1;padding:8px 0 6px;text-align:center;color:var(--metin-2);font-size:11px;cursor:pointer;border:0;background:none}
.sekme .s{display:block;font-size:22px;line-height:1.1}
.sekme.aktif{color:var(--yesil)}
.fab{position:absolute;right:16px;bottom:74px;width:56px;height:56px;border-radius:17px;
  background:var(--yesil);color:#fff;display:grid;place-items:center;font-size:24px;
  box-shadow:0 4px 12px rgba(0,0,0,.25);border:0}
.bos{padding:40px 24px;text-align:center;color:var(--metin-2);font-size:14.5px}
.bolum{padding:14px 14px 6px;font-size:13px;font-weight:600;color:var(--yesil);text-transform:uppercase;letter-spacing:.4px}
.not{margin:14px;padding:12px 14px;background:var(--zemin-2);border-left:3px solid var(--yesil);
  border-radius:6px;font-size:13.5px;color:var(--metin-2);line-height:1.5}
.not b{color:var(--metin)}