/* ===== DEĞİŞKENLER ===== */
:root{
  --bg:#07080f;--surface:#0f1018;--s2:#161722;
  --border:rgba(255,255,255,0.07);
  --accent:#5b8af5;--glow:rgba(91,138,245,0.22);
  --green:#4ade80;--red:#f87171;
  --text:#e8e9f0;--muted:#5a5b70;
}

/* ===== TEMEL ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;width:100%;overflow:hidden;font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--text)}

/* ===== GİRİŞ EKRANI ===== */
#loginScreen{
  position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(ellipse 80% 60% at 50% 40%,rgba(91,138,245,0.08) 0%,transparent 70%);
}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:24px;
  padding:40px 30px;width:min(360px,92vw);text-align:center;
  box-shadow:0 40px 80px rgba(0,0,0,0.6);
}
.logo{
  font-family:'Syne',sans-serif;font-size:28px;font-weight:800;
  background:linear-gradient(135deg,#5b8af5,#b07ef5);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  margin-bottom:6px;
}
.tagline{color:var(--muted);font-size:13px;margin-bottom:28px}
.lbl{font-size:11px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--muted);text-align:left;margin-bottom:7px}
.inp{
  width:100%;background:var(--s2);border:1px solid var(--border);border-radius:13px;
  padding:13px 15px;color:var(--text);font-family:'DM Sans',sans-serif;font-size:15px;
  outline:none;transition:border-color .2s,box-shadow .2s;margin-bottom:14px;
}
.inp:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--glow)}
.btn{
  width:100%;background:linear-gradient(135deg,#5b8af5,#7c5bf5);
  border:none;border-radius:13px;padding:13px;color:#fff;
  font-family:'Syne',sans-serif;font-size:15px;font-weight:700;cursor:pointer;
  box-shadow:0 8px 24px rgba(91,138,245,0.35);transition:all .2s;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(91,138,245,0.5)}

/* ===== YERLEŞİM ===== */
#app{position:fixed;inset:0;display:none;flex-direction:column}
.layout{flex:1;display:flex;overflow:hidden;min-height:0}
.chat{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative;min-width:0}
.cbg{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 50% 40% at 70% 15%,rgba(91,138,245,0.05) 0%,transparent 70%),radial-gradient(ellipse 40% 50% at 30% 85%,rgba(124,91,245,0.04) 0%,transparent 70%)}

/* ===== YAN PANEL ===== */
.sidebar{
  width:260px;min-width:260px;background:var(--surface);
  border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;
}
.sb-top{padding:18px 15px 13px;border-bottom:1px solid var(--border);flex-shrink:0}
.brand{font-family:'Syne',sans-serif;font-size:18px;font-weight:800;display:flex;align-items:center;gap:9px;margin-bottom:13px}
.bpulse{width:8px;height:8px;background:var(--accent);border-radius:50%;animation:pr 2s infinite}
@keyframes pr{0%{box-shadow:0 0 0 0 rgba(91,138,245,.7)}70%{box-shadow:0 0 0 7px rgba(91,138,245,0)}100%{box-shadow:0 0 0 0 rgba(91,138,245,0)}}
.myp{display:flex;align-items:center;gap:9px;background:var(--s2);border-radius:12px;padding:9px 11px}
.mav{width:33px;height:33px;border-radius:9px;background:linear-gradient(135deg,#5b8af5,#7c5bf5);display:flex;align-items:center;justify-content:center;font-family:'Syne',sans-serif;font-weight:700;font-size:12px;flex-shrink:0}
.mname{font-weight:500;font-size:13px}
.mstatus{font-size:11px;color:var(--green)}
.slbl{font-size:10px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);padding:13px 15px 5px;flex-shrink:0}
#onlineList{flex:1;overflow-y:auto;padding:2px 7px 10px}
#onlineList::-webkit-scrollbar{width:3px}
#onlineList::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
.ou{display:flex;align-items:center;gap:9px;padding:7px 8px;border-radius:10px;transition:background .15s}
.ou:hover{background:var(--s2)}
.ouav{width:29px;height:29px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-family:'Syne',sans-serif;font-size:10px;font-weight:700;flex-shrink:0;position:relative}
.ouav::after{content:'';position:absolute;bottom:1px;right:1px;width:7px;height:7px;background:var(--green);border-radius:50%;border:1.5px solid var(--surface)}
.ouname{font-size:13px}
.ou-me{color:var(--muted);font-size:10px}
.sb-bot{padding:10px 13px 13px;border-top:1px solid var(--border);flex-shrink:0}
.lout{width:100%;background:transparent;border:1px solid var(--border);border-radius:10px;padding:8px;color:var(--muted);font-family:'DM Sans',sans-serif;font-size:13px;cursor:pointer;transition:all .15s}
.lout:hover{background:var(--s2);color:var(--red);border-color:var(--red)}

/* ===== SOHBET BAŞLIĞI ===== */
.chead{display:flex;align-items:center;gap:11px;padding:12px 16px;border-bottom:1px solid var(--border);background:rgba(7,8,15,.9);backdrop-filter:blur(20px);z-index:10;flex-shrink:0}
.cicon{width:35px;height:35px;border-radius:9px;background:linear-gradient(135deg,#5b8af5,#7c5bf5);display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0}
.ctitle{font-family:'Syne',sans-serif;font-size:14px;font-weight:700}
.csub{font-size:11px;color:var(--muted)}
#onlineBadge{margin-left:auto;display:flex;align-items:center;gap:5px;font-size:11px;color:var(--green);background:rgba(74,222,128,.08);border:1px solid rgba(74,222,128,.15);border-radius:20px;padding:3px 10px;white-space:nowrap}
.gdot{width:6px;height:6px;background:var(--green);border-radius:50%;box-shadow:0 0 5px var(--green)}

/* ===== MESAJLAR ===== */
#messages{flex:1;overflow-y:auto;padding:14px 14px 6px;display:flex;flex-direction:column;gap:3px;scroll-behavior:smooth}
#messages::-webkit-scrollbar{width:3px}
#messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}

.dsep{text-align:center;margin:10px 0 6px}
.dsep span{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:3px 12px;font-size:11px;color:var(--muted)}

.mrow{display:flex;gap:6px;align-items:flex-end;animation:mp .25s cubic-bezier(.16,1,.3,1)}
@keyframes mp{from{transform:translateY(8px);opacity:0}to{transform:translateY(0);opacity:1}}
.mrow.mine{flex-direction:row-reverse}
.mav2{width:25px;height:25px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-family:'Syne',sans-serif;font-size:9px;font-weight:700;flex-shrink:0;margin-bottom:2px}
.bcol{display:flex;flex-direction:column;gap:2px;max-width:72%}
.mrow.mine .bcol{align-items:flex-end}
.msender{font-size:10px;color:var(--muted);padding:0 3px;font-weight:500}
.bubble{padding:9px 13px;border-radius:16px;font-size:14px;line-height:1.5;word-break:break-word}
.mrow:not(.mine) .bubble{background:var(--s2);border:1px solid var(--border);border-radius:4px 16px 16px 16px}
.mrow.mine .bubble{background:linear-gradient(135deg,#5b8af5,#7c5bf5);border-radius:16px 4px 16px 16px;color:#fff}
.btime{font-size:10px;color:var(--muted);padding:0 3px}

/* ===== YAZIYOR GÖSTERGESİ ===== */
#typingBar{min-height:22px;padding:0 14px 2px;font-size:12px;color:var(--muted);font-style:italic;display:flex;align-items:center;gap:5px;flex-shrink:0}
.tdots{display:flex;gap:3px}
.tdots span{width:4px;height:4px;border-radius:50%;background:var(--muted);animation:td 1.2s infinite}
.tdots span:nth-child(2){animation-delay:.2s}
.tdots span:nth-child(3){animation-delay:.4s}
@keyframes td{0%,60%,100%{transform:translateY(0)}30%{transform:translateY(-4px);background:var(--accent)}}

/* ===== MESAJ KUTUSU ===== */
.irow{padding:10px 13px 14px;border-top:1px solid var(--border);display:flex;gap:8px;align-items:flex-end;background:rgba(7,8,15,.95);backdrop-filter:blur(20px);z-index:10;flex-shrink:0}
.ibox{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:15px;display:flex;align-items:flex-end;gap:5px;padding:9px 12px;transition:border-color .2s,box-shadow .2s}
.ibox:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--glow)}
#msgInput{flex:1;background:transparent;border:none;outline:none;color:var(--text);font-family:'DM Sans',sans-serif;font-size:14px;resize:none;max-height:100px;line-height:1.5;padding:2px 0}
#msgInput::placeholder{color:var(--muted)}
.sbtn{width:41px;height:41px;border-radius:12px;background:linear-gradient(135deg,#5b8af5,#7c5bf5);border:none;color:#fff;font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 4px 16px rgba(91,138,245,.4);transition:all .2s}
.sbtn:hover{transform:scale(1.08);box-shadow:0 6px 24px rgba(91,138,245,.55)}
.sbtn:active{transform:scale(.94)}

/* ===== MOBİL SEKME ÇUBUĞU ===== */
.tabbar{display:none;background:var(--surface);border-top:1px solid var(--border);padding:6px 0 10px;flex-shrink:0}
.tabinner{display:flex;justify-content:space-around}
.tbtn{display:flex;flex-direction:column;align-items:center;gap:2px;background:none;border:none;color:var(--muted);font-family:'DM Sans',sans-serif;font-size:10px;cursor:pointer;padding:4px 20px;transition:color .15s}
.tbtn.active{color:var(--accent)}
.tbtn span{font-size:20px}

/* ===== TOAST ===== */
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#1a0a0a;border:1px solid rgba(248,113,113,.3);color:var(--red);border-radius:12px;padding:10px 18px;font-size:13px;z-index:999;white-space:nowrap}

/* ===== AVATAR RENKLERİ ===== */
.av0{background:linear-gradient(135deg,#5b8af5,#7c5bf5)}
.av1{background:linear-gradient(135deg,#f97316,#ef4444)}
.av2{background:linear-gradient(135deg,#10b981,#06b6d4)}
.av3{background:linear-gradient(135deg,#f59e0b,#eab308)}
.av4{background:linear-gradient(135deg,#ec4899,#f43f5e)}
.av5{background:linear-gradient(135deg,#8b5cf6,#6366f1)}
.av6{background:linear-gradient(135deg,#14b8a6,#3b82f6)}
.av7{background:linear-gradient(135deg,#f472b6,#c084fc)}

/* ===== MOBİL ===== */
@media(max-width:600px){
  .tabbar{display:block}
  .sidebar{
    position:fixed;inset:0 0 56px 0;
    width:100%;min-width:unset;border-right:none;
    z-index:20;transform:translateX(-100%);
    transition:transform .3s cubic-bezier(.16,1,.3,1);
  }
  .sidebar.open{transform:translateX(0)}
  .chat{position:fixed;inset:0 0 56px 0}
  .tabbar{position:fixed;bottom:0;left:0;right:0;z-index:30}
  .bcol{max-width:80%}
}


/* ===== HOŞ GELDİN PENCERESİ ===== */
.wm-overlay{position:fixed;inset:0;z-index:1000;align-items:center;justify-content:center;background:rgba(0,0,0,0.7);backdrop-filter:blur(4px)}
.wm-card{width:min(420px,92vw);max-height:90vh;overflow-y:auto;text-align:left;padding:32px 26px}
.wm-card .logo{text-align:center}
.wm-title{font-family:'Syne',sans-serif;font-size:20px;font-weight:700;text-align:center;margin:4px 0 16px}
.wm-text p{font-size:14px;line-height:1.55;color:var(--text);margin-bottom:10px}
.wm-text b{color:#fff}
.wm-links{display:flex;gap:10px;margin:16px 0 18px}
.wm-link{flex:1;text-align:center;background:var(--s2);border:1px solid var(--border);border-radius:12px;padding:11px 8px;color:var(--accent);font-size:13px;font-weight:500;text-decoration:none;transition:border-color .2s}
.wm-link:hover{border-color:var(--accent)}