*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --navy:#1B365D;
  --navy-2:#254476;
  --navy-light:#e8eef7;
  --white:#fff;
  --s0:#f0f4f8;
  --s1:#eaecf0;
  --s2:#d0d5dd;
  --s3:#98a2b3;
  --s4:#667085;
  --s5:#344054;
  --s6:#101828;
  --ok:#027a48;
  --ok-bg:#ecfdf3;
  --ok-bd:#a9efcc;
  --er:#b42318;
  --er-bg:#fef3f2;
  --er-bd:#fecdca;
  --r:8px;
  --sh:0 1px 3px rgba(16,24,40,.06),0 1px 2px rgba(16,24,40,.04);
  --sh2:0 4px 8px -2px rgba(16,24,40,.10),0 2px 4px -2px rgba(16,24,40,.06);
  --sh3:0 12px 16px -4px rgba(16,24,40,.10),0 4px 6px -2px rgba(16,24,40,.05);
}

body.dk{
  --white:#131e2e;
  --s0:#0d1520;
  --s1:#1a2540;
  --s2:#243355;
  --s3:#3a527a;
  --s4:#7a9cc4;
  --s5:#b8d0ee;
  --s6:#e2eef9;
  --navy-light:#1a2d4a;
}
/* dark mode input contrast fix */
body.dk .fi input{background:#1a2540;color:#e2eef9;border-color:#243355}
body.dk .fi input::placeholder{color:#3a527a}
body.dk .ii{background:#1a2540;border-color:#243355}
body.dk .ii:focus-within{border-color:#7a9cc4;background:#1a2540}
body.dk .ci{color:#e2eef9}
body.dk .mo{background:#131e2e;border:1px solid #1a2540}

body{
  font-family:'Segoe UI',system-ui,-apple-system,sans-serif;
  background:var(--s0);color:var(--s6);
  height:100vh;overflow:hidden;
  -webkit-font-smoothing:antialiased;
}

/* ── SHELL ── */
.shell{display:flex;height:100vh;min-height:0;overflow:hidden}

/* ── SIDEBAR ── */
.sb{
  width:0;overflow:hidden;
  background:var(--navy);
  display:flex;flex-direction:column;
  transition:width .25s ease;
  flex-shrink:0;
}
.sb.on{width:252px}

.sb-top{padding:16px 12px 12px;border-bottom:1px solid rgba(255,255,255,.08)}
.nc-btn{
  width:100%;padding:9px 12px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r);color:#fff;
  font-size:14px;font-weight:600;
  cursor:pointer;display:flex;align-items:center;gap:9px;
  transition:background .15s;white-space:nowrap;overflow:hidden;
}
.nc-btn:hover{background:rgba(255,255,255,.14)}
.nc-btn svg{flex-shrink:0}

.sb-body{flex:1;overflow-y:auto;padding:10px 8px}
.sb-body::-webkit-scrollbar{width:3px}
.sb-body::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:4px}

.sb-lbl{
  padding:8px 8px 4px;font-size:10px;font-weight:700;
  letter-spacing:1px;text-transform:uppercase;
  color:rgba(255,255,255,.35);white-space:nowrap;overflow:hidden;
}
.hi{
  padding:9px 10px;border-radius:6px;margin-bottom:1px;
  font-size:14px;color:rgba(255,255,255,.65);
  cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  transition:background .12s,color .12s;
}
.hi:hover,.hi.on{background:rgba(255,255,255,.09);color:#fff}

.sb-foot{padding:12px;border-top:1px solid rgba(255,255,255,.08)}
.di{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:var(--r);
  background:rgba(255,255,255,.06);margin-bottom:8px;
}
.dav{
  width:32px;height:32px;border-radius:7px;flex-shrink:0;
  background:rgba(255,255,255,.15);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:13px;color:#fff;
}
.dn{font-size:13.5px;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.db{font-size:10px;color:rgba(255,255,255,.45);text-transform:uppercase;letter-spacing:.5px}
.sb-out{
  width:100%;padding:8px;border:1px solid rgba(220,38,38,.25);
  background:rgba(220,38,38,.08);border-radius:var(--r);
  color:#fca5a5;font-size:12px;font-weight:600;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:7px;
  transition:background .15s;
}
.sb-out:hover{background:rgba(220,38,38,.15)}

/* ── MAIN ── */
.main{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0;overflow:hidden;background:var(--white)}

/* ── TOPBAR ── */
.tb{
  height:60px;flex-shrink:0;
  border-bottom:1px solid var(--s1);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;background:var(--white);
  position:relative;z-index:10;
}
.tb-l{display:flex;align-items:center;gap:12px}
.tb-r{display:flex;align-items:center;gap:6px}

/* logo */
.logo{display:flex;align-items:center;gap:10px}
.logo{display:flex;align-items:center;gap:10px}
.mvd-logo-svg{height:48px;width:auto;display:block}
.mvd-wordmark{height:26px;width:auto}
body.dk .mvd-wordmark text{fill:#93c5fd}

/* icon button */
.ib{
  width:32px;height:32px;border-radius:7px;border:1px solid var(--s1);
  background:var(--white);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  color:var(--s4);transition:all .15s;position:relative;
}
.ib:hover{background:var(--s0);border-color:var(--s2);color:var(--s5)}
.ib svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* dealer in/out buttons */
.db-in{
  height:32px;padding:0 12px;border-radius:7px;border:none;
  background:var(--navy);color:#fff;font-size:13px;font-weight:700;
  cursor:pointer;display:flex;align-items:center;gap:6px;transition:opacity .15s;white-space:nowrap;
}
.db-in:hover{opacity:.88}
.db-in svg{width:13px;height:13px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.db-out{
  height:32px;padding:0 12px;border-radius:7px;cursor:pointer;white-space:nowrap;
  border:1px solid rgba(180,35,24,.25);background:rgba(180,35,24,.07);
  color:#b42318;font-size:13px;font-weight:700;
  display:flex;align-items:center;gap:6px;transition:background .15s;
}
.db-out:hover{background:rgba(180,35,24,.13)}
.db-out svg{width:13px;height:13px;stroke:#b42318;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* admin dot */
.adot{position:absolute;top:5px;right:5px;width:7px;height:7px;border-radius:50%;background:#12b76a;border:1.5px solid var(--white)}

/* lang */
.lw{position:relative}
.lt{
  height:32px;padding:0 10px;border-radius:7px;border:1px solid var(--s1);
  background:var(--white);cursor:pointer;display:flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--s4);transition:all .15s;
}
.lt:hover{background:var(--s0);border-color:var(--s2)}
.lt svg{width:11px;height:11px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.lm{
  position:absolute;top:calc(100% + 5px);right:0;
  background:var(--white);border:1px solid var(--s1);border-radius:var(--r);
  box-shadow:var(--sh3);min-width:150px;display:none;overflow:hidden;z-index:100;
}
.lm.on{display:block}
.lo{
  padding:9px 12px;font-size:12.5px;cursor:pointer;
  color:var(--s5);display:flex;align-items:center;gap:9px;
  transition:background .12s;
}
.lo:hover{background:var(--s0)}
.lo.on{color:var(--navy);font-weight:700}

/* ── CHAT AREA ── */
.ca{
  flex:1;min-height:0;overflow-y:auto;
  padding:32px 24px 16px;background:var(--s0);
}
.ca::-webkit-scrollbar{width:4px}
.ca::-webkit-scrollbar-thumb{background:var(--s2);border-radius:4px}

.msgs{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:16px}

/* messages */
.m{display:flex;align-items:flex-start;gap:10px}
.m.u{flex-direction:row-reverse}

/* FIX: the avatar is always part of the bubble group, never standalone */
.mav{
  width:30px;height:30px;border-radius:7px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;color:#fff;margin-top:2px;
}
.mav.ai{background:var(--navy)}
.mav.hu{background:var(--s3)}

.mb{max-width:580px;display:flex;flex-direction:column}

.bbl{
  padding:11px 15px;border-radius:10px;font-size:15px;line-height:1.7;
  word-break:break-word;white-space:pre-wrap;
}
.m.ai .bbl{
  background:var(--white);border:1px solid var(--s1);
  color:var(--s6);border-top-left-radius:2px;
  box-shadow:var(--sh);
}
.m.u .bbl{background:var(--navy);color:#fff;border-top-right-radius:2px}

.mt{font-size:12px;color:var(--s3);margin-top:4px;padding:0 3px}
.m.u .mt{text-align:right}

/* typing indicator — SEPARATE element, not a .m message */
.ty{display:flex;align-items:center;gap:10px}
.ty-bbl{
  background:var(--white);border:1px solid var(--s1);
  border-radius:10px;border-top-left-radius:2px;
  padding:13px 16px;box-shadow:var(--sh);
  display:flex;gap:4px;align-items:center;
}
.td{width:6px;height:6px;border-radius:50%;background:var(--s3);animation:td 1.2s infinite ease-in-out}
.td:nth-child(2){animation-delay:.18s}
.td:nth-child(3){animation-delay:.36s}
@keyframes td{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}

/* slide in */
@keyframes mi{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.m{animation:mi .2s ease}
.ty{animation:mi .2s ease}

/* ── INPUT ── */
.ib-bar{
  flex-shrink:0;padding:14px 20px 10px;
  background:var(--white);border-top:1px solid var(--s1);
}
.ii{
  max-width:760px;margin:0 auto;
  display:flex;align-items:center;gap:8px;
  background:var(--s0);border:1.5px solid var(--s1);
  border-radius:12px;padding:5px 6px 5px 14px;transition:border-color .15s,background .15s;
}
.ii:focus-within{border-color:var(--navy);background:var(--white)}
.ci{
  flex:1;border:none;background:transparent;resize:none;
  font-size:15px;font-family:inherit;color:var(--s6);
  min-height:36px;max-height:120px;line-height:1.6;padding:7px 4px 7px 4px;
  display:block;vertical-align:middle;
}
.ci:focus{outline:none}
.ci::placeholder{color:var(--s3)}
.sb-btn{
  width:38px;height:38px;border-radius:7px;border:none;
  background:var(--navy);cursor:pointer;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;transition:opacity .15s;
}
.sb-btn:hover:not(:disabled){opacity:.85}
.sb-btn:disabled{opacity:.35;cursor:not-allowed}


/* kaynak linkleri */
.msg-link{color:var(--navy);text-decoration:underline;word-break:break-all}
.msg-link:hover{opacity:.75}
.src-link{
  display:inline-flex;align-items:center;gap:5px;
  background:var(--navy-light);border:1px solid var(--navy);
  border-radius:5px;padding:2px 8px;font-size:13px;font-weight:600;
  color:var(--navy);text-decoration:none;margin:2px 0;cursor:pointer;
}
.src-link:hover{background:var(--navy);color:#fff}
body.dk .src-link{background:rgba(147,197,253,.1);border-color:rgba(147,197,253,.4);color:#93c5fd}
body.dk .src-link:hover{background:rgba(147,197,253,.2)}

/* powered */
.pw{text-align:center;padding:5px 0 8px;font-size:11px;color:var(--s3)}
.pw a{color:var(--s3);text-decoration:none;font-weight:600;transition:color .15s}
.pw a:hover{color:var(--navy)}

/* ── MODALS ── */
.ov{
  display:none;position:fixed;inset:0;
  background:rgba(16,24,40,.4);backdrop-filter:blur(3px);
  z-index:500;align-items:center;justify-content:center;padding:16px;
}
.ov.on{display:flex;animation:fov .18s ease}
@keyframes fov{from{opacity:0}to{opacity:1}}

.mo{
  background:var(--white);border-radius:14px;
  box-shadow:var(--sh3);width:100%;max-width:400px;
  max-height:92vh;overflow-y:auto;position:relative;
  animation:moi .22s cubic-bezier(.4,0,.2,1);
}
@keyframes moi{from{opacity:0;transform:scale(.95) translateY(8px)}to{opacity:1;transform:scale(1) translateY(0)}}
.mo::-webkit-scrollbar{width:3px}
.mo::-webkit-scrollbar-thumb{background:var(--s1);border-radius:4px}

.mh{padding:22px 20px 0;text-align:center}
.mi-ico{
  width:48px;height:48px;border-radius:11px;margin:0 auto 12px;
  background:var(--navy);display:flex;align-items:center;justify-content:center;
}
.mi-ico.gr{background:var(--ok)}
.mi-ico svg{width:24px;height:24px}
.mt-{font-size:18px;font-weight:700;color:var(--s6);margin-bottom:3px}
.ms-{font-size:13.5px;color:var(--s3)}

.mbody{padding:18px 20px 22px}
.mc{position:absolute;top:12px;right:12px;width:28px;height:28px;border-radius:7px;border:1px solid var(--s1);background:var(--white);font-size:15px;cursor:pointer;color:var(--s3);display:flex;align-items:center;justify-content:center;transition:all .15s;line-height:1}
.mc:hover{background:var(--s0);color:var(--er);transform:rotate(90deg)}

/* fields */
.fi{margin-bottom:14px}
.fi label{display:block;margin-bottom:5px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--s5)}
.fi label .rq{color:var(--er);margin-left:2px}
.fi input{
  width:100%;padding:9px 11px;
  border:1.5px solid var(--s2);border-radius:var(--r);
  font-size:15px;font-family:inherit;color:var(--s6);
  background:var(--white);transition:border-color .15s;
}
.fi input:focus{outline:none;border-color:var(--navy)}
.fi input::placeholder{color:var(--s3)}

/* buttons */
.btn{
  width:100%;padding:10px;border-radius:var(--r);border:none;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:opacity .15s;letter-spacing:.2px;font-family:inherit;
}
.btn:hover:not(:disabled){opacity:.87}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-p{background:var(--navy);color:#fff}
.btn-g{background:none;border:none;padding:10px 0 0;font-size:12.5px;color:var(--s3);cursor:pointer;text-align:center;width:100%;transition:color .15s;font-family:inherit}
.btn-g:hover{color:var(--navy)}

/* feedback */
.fb{display:none;padding:9px 12px;border-radius:var(--r);font-size:12.5px;font-weight:600;margin-bottom:12px}
.fb.ok{display:block;background:var(--ok-bg);color:var(--ok);border:1px solid var(--ok-bd)}
.fb.er{display:block;background:var(--er-bg);color:var(--er);border:1px solid var(--er-bd)}

/* step info */
.si{padding:9px 12px;border-radius:var(--r);font-size:12.5px;background:var(--s0);color:var(--s4);border:1px solid var(--s1);margin-bottom:14px}

.pe{display:none;font-size:11.5px;font-weight:600;color:var(--er);text-align:center;margin-top:5px}
.pe.on{display:block}

/* pin divider */
.pdv{margin-top:16px;padding-top:14px;border-top:1px dashed var(--s1)}

@keyframes shk{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
@keyframes spin{to{transform:rotate(360deg)}}
.spin{width:22px;height:22px;border:2px solid var(--s1);border-top-color:var(--navy);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto 8px}

/* mobile */
@media(max-width:600px){
  .tb{padding:0 12px}
  .ca{padding:16px 12px 10px}
  .ib-bar{padding:10px 12px 8px}
  .logo-tag{display:none}
  .sb{position:fixed;left:0;top:0;height:100vh;z-index:400;width:0}
  .sb.on{width:240px}
  .sb-backdrop{display:block}
}
/* mobile backdrop */
.sb-backdrop{
  display:none;position:fixed;inset:0;
  background:rgba(0,0,0,0.4);z-index:399;
}
.sb-backdrop.on{display:block}

.settings-panel{background:var(--white);width:100%;max-width:440px;height:100vh;margin-left:auto;overflow-y:auto;display:flex;flex-direction:column;animation:slideIn .25s ease}
@keyframes slideIn{from{transform:translateX(40px);opacity:0}to{transform:translateX(0);opacity:1}}
.sp-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 16px;border-bottom:1px solid var(--s1);position:sticky;top:0;background:var(--white);z-index:2}
.sp-title{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--s6)}
.sp-card{padding:20px 24px;border-bottom:1px solid var(--s1)}
.sp-card-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--s3);margin-bottom:14px}
.sp-profile-row{display:flex;align-items:center;gap:14px}
.sp-avatar{width:52px;height:52px;border-radius:12px;background:var(--navy);color:#fff;font-size:20px;font-weight:700;flex-shrink:0;display:flex;align-items:center;justify-content:center}
.sp-info{display:flex;flex-direction:column;gap:3px}
.sp-name{font-size:15px;font-weight:700;color:var(--s6)}
.sp-email{font-size:13px;color:var(--s4)}
.sp-badge{font-size:10px;font-weight:700;letter-spacing:.8px;color:var(--navy);background:var(--navy-light);padding:2px 8px;border-radius:20px;display:inline-block;margin-top:2px;width:fit-content}
.sb-profile{width:100%;padding:8px 12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--r);color:rgba(255,255,255,.75);font-size:13px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:8px;margin-bottom:6px;transition:background .15s;font-family:inherit}
.sb-profile:hover{background:rgba(255,255,255,.12);color:#fff}

/* ── MOBİL OPTİMİZASYON ── */
@media (max-width: 768px) {
  .tb { padding: 0 12px; height: 52px; }
  .mvd-logo-svg { height: 36px !important; }
  .logo-tag { display: none !important; }
  .sb { width: 0 !important; }
  .sb.on { width: 100vw !important; max-width: 300px; }
  .ca { padding: 16px 12px 10px; }
  .msgs { max-width: 100%; }
  .mb { max-width: calc(100vw - 80px); }
  .ii { max-width: 100%; border-radius: 10px; }
  .ib-bar { padding: 10px 12px 8px; }
  .mo { margin: 0 !important; border-radius: 20px 20px 0 0 !important; position: fixed !important; bottom: 0 !important; left: 0 !important; right: 0 !important; max-width: 100% !important; max-height: 90vh; overflow-y: auto; }
  .ov { align-items: flex-end !important; }
  .settings-panel { max-width: 100% !important; border-radius: 20px 20px 0 0; position: fixed; bottom: 0; left: 0; right: 0; height: 85vh !important; }
  .tb-r { gap: 4px; }
  .ib { width: 30px; height: 30px; }
  .lt { font-size: 11px; padding: 5px 8px; }
  .db-in, .db-out { font-size: 11px; padding: 6px 10px; }
  .lm { right: 0; left: auto; }
}
@media (max-width: 480px) {
  .bbl { font-size: 14px !important; }
  .ci { font-size: 14px !important; }
}

/* ── HAMBURGER BUTONU ── */
.hbg-btn{
  display:none !important; /* JS ile kontrol edilir */
  align-items:center;justify-content:center;
  width:36px;height:36px;flex-shrink:0;margin-right:6px;
  background:none;border:none;color:var(--navy);cursor:pointer;
  border-radius:8px;transition:background .15s;padding:0;
}
.hbg-btn.visible{ display:flex !important; }
.hbg-btn:hover{background:var(--s1)}
body.dk .hbg-btn{color:#fff}
body.dk .hbg-btn:hover{background:rgba(255,255,255,.1)}

/* ══ MOBİL OPTİMİZASYON ══ */
@media (max-width: 768px) {
  /* Sidebar - soldan kayar, backdrop arkada */
  .sb {
    position: fixed !important;
    top: 0; left: 0; bottom: 0;
    width: 0 !important;
    z-index: 200;
    transition: width .25s ease;
    overflow: hidden;
  }
  .sb.on { width: 252px !important; }

  /* backdrop sadece mobilde aktif */
  .sb-backdrop { z-index: 199; }

  /* Main alan - tam ekran */
  .main {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 1;
  }

  /* Header */
  .tb { height: 52px; flex-shrink: 0; padding: 0 10px; z-index: 10; }
  .mvd-logo-svg { height: 28px !important; width: auto !important; }

  /* Sohbet alanı */
  .ca {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 16px 12px 8px;
    min-height: 0;
  }

  /* Input bar - alta sabitli */
  .ib-bar {
    flex-shrink: 0;
    padding: 8px 12px 12px;
    background: var(--white);
    border-top: 1px solid var(--s1);
    z-index: 10;
  }
  body.dk .ib-bar { background: var(--s6); border-color: rgba(255,255,255,.08); }

  .mb { max-width: calc(100vw - 72px); }
  .bbl { font-size: 14px; padding: 10px 13px; }
  .ci { font-size: 15px; }
  #sendBtn { width: 40px; height: 40px; flex-shrink: 0; }

  /* Modaller alttan */
  .ov { align-items: flex-end !important; padding: 0 !important; }
  .mo {
    border-radius: 20px 20px 0 0 !important;
    max-width: 100% !important;
    width: 100% !important;
    max-height: 88vh !important;
    overflow-y: auto;
    margin: 0 !important;
  }

  /* Ayarlar paneli - tam yükseklik, scroll edilebilir */
  .settings-panel {
    max-width: 100% !important;
    width: 100% !important;
    border-radius: 20px 20px 0 0 !important;
    height: 88vh !important;
    max-height: 88vh !important;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    overflow-y: auto !important;
    z-index: 1001;
  }

  /* Overlay - settings paneli üstte göster */
  .ov.on { z-index: 1000; }

  .tb-r { gap: 4px; }
  .ib { width: 34px; height: 34px; }
  #dlBtn { font-size: 12px; padding: 6px 10px; }
  .lm { right: 0; left: auto; min-width: 140px; }
}

@media (max-width: 390px) {
  .bbl { font-size: 13px; }
  .ci { font-size: 14px; }
  .mvd-logo-svg { height: 24px !important; }
}