:root{
  --ink:#0C1524; --panel:#0F1B2E; --card:#fff; --bg:#EEF1F6;
  --line:#E3E8EF; --muted:#5B6675; --teal:#14B3A6; --teal-d:#0B6B64;
  --danger:#DC2626; --live:#22C55E;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}
.mono{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace}
.muted{color:var(--muted)}
.hidden{display:none !important}

.topbar{height:54px;background:var(--ink);color:#fff;display:flex;align-items:center;
  justify-content:space-between;padding:0 18px}
.brand{font-weight:700;font-size:16px;display:flex;align-items:center;gap:9px}
.logo{width:22px;height:22px;border-radius:6px;background:var(--teal);display:inline-block}
.status{font-size:12px;color:#9AA7BC;display:flex;align-items:center;gap:7px}
.dot{width:8px;height:8px;border-radius:50%;background:#C3CAD6;display:inline-block}
.dot.on{background:var(--live);box-shadow:0 0 0 3px rgba(34,197,94,.2)}

.view{max-width:920px;margin:26px auto;padding:0 18px;display:grid;
  grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:720px){.view{grid-template-columns:1fr}}

.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.eyebrow{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#7B8698;font-weight:600}
.field{margin:14px 0}
.field label{display:block;font-size:12px;color:#7B8698;font-weight:600;margin-bottom:6px}
.bigmono{font-family:ui-monospace,monospace;font-size:30px;font-weight:600;letter-spacing:.04em}
.input{width:100%;border:1px solid #CFD8E3;border-radius:10px;padding:13px 15px;font-size:17px;outline:none}
.input:focus{border-color:var(--teal)}
.hint{font-size:12px;color:#7B8698;margin-top:8px}
.hint.error{color:var(--danger)}

.btn{width:100%;border:none;border-radius:10px;padding:13px;font-weight:600;font-size:15px;cursor:pointer}
.btn.primary{background:var(--teal);color:#04302C}
.btn.primary:disabled{background:#B7E3DE;cursor:default}
.btn.danger{background:#3A1620;color:#FCA5A5;border:1px solid #7A1E2E;width:auto;padding:9px 15px;font-size:13px}

/* session bars */
.sessbar,.hostedbanner{background:var(--ink);color:#fff;display:flex;align-items:center;
  justify-content:space-between;padding:10px 16px}
.sessbar .left,.hostedbanner{gap:14px}
.left{display:flex;align-items:center;gap:14px}
.right{display:flex;align-items:center;gap:14px}
.live{display:inline-flex;align-items:center;gap:7px;color:#4ADE80;font-size:13px;font-weight:600}
.live .dot{background:var(--live)}
.countdown{background:#2A2411;border:1px solid #4A3A16;color:#F5B84E;font-size:12px;
  font-weight:600;padding:5px 11px;border-radius:999px}
.countdown.warn{background:#3A1620;border-color:#7A1E2E;color:#FCA5A5}

#viewControl,#viewHosted{max-width:none;margin:0;display:block;padding:0}
.stage{background:#0A1120;height:calc(100vh - 54px - 44px);display:flex;align-items:center;justify-content:center}
#remoteVideo{max-width:100%;max-height:100%;cursor:none}
.hostinfo{max-width:720px;margin:26px auto;padding:0 18px;text-align:center}
#selfPreview{width:100%;max-width:640px;border-radius:12px;border:1px solid var(--line);margin-top:14px;background:#000}

/* modal */
.modal{position:fixed;inset:0;background:rgba(6,10,18,.6);display:flex;align-items:center;justify-content:center;padding:20px}
.modal-card{background:#fff;border-radius:18px;max-width:420px;width:100%;padding:28px;text-align:center;
  box-shadow:0 30px 70px rgba(0,0,0,.3)}
.modal-icon{width:56px;height:56px;border-radius:50%;background:#EAF6F4;margin:0 auto 16px}
.modal-icon.warn{background:#FFF3E0}
.modal-card h2{margin:0 0 8px;font-size:20px}
.modal-card .btn{margin-top:14px}
.chk{display:flex;align-items:center;gap:8px;font-size:12.5px;color:#42506A;margin-top:12px;cursor:pointer}
.rowbtns{display:flex;gap:10px;margin-top:16px}
.rowbtns .btn{margin-top:0}
.btn.ghost{background:#F3F5F8;color:#42506A;border:1px solid #E0E5EC}
.btn.ghost.danger-text{color:#B4232B}

/* boční panel (chat/soubory) */
.panel-fab{position:fixed;right:16px;bottom:16px;z-index:40;background:#14B3A6;color:#04302C;
  border:none;border-radius:999px;padding:11px 18px;font-weight:600;cursor:pointer;box-shadow:0 8px 20px rgba(0,0,0,.25)}
.sidepanel{position:fixed;right:16px;bottom:16px;z-index:41;width:320px;height:440px;background:#fff;
  border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 50px rgba(0,0,0,.25);display:flex;flex-direction:column;overflow:hidden}
.sp-tabs{display:flex;align-items:center;gap:4px;padding:8px;border-bottom:1px solid var(--line)}
.sp-tabs button{background:transparent;border:none;padding:7px 12px;border-radius:8px;font-weight:600;font-size:13px;color:var(--muted);cursor:pointer}
.sp-tabs button.on{background:#EAF6F4;color:var(--teal-d)}
.sp-x{margin-left:auto}
.sp-body{flex:1;display:flex;flex-direction:column;padding:12px;overflow:hidden}
.sp-body.hidden{display:none}
.chatlog{flex:1;overflow:auto;display:flex;flex-direction:column;gap:8px;font-size:13px}
.chatlog .me{align-self:flex-end;background:#14B3A6;color:#04302C;padding:7px 11px;border-radius:12px 12px 2px 12px;max-width:80%}
.chatlog .them{align-self:flex-start;background:#F0F2F6;color:#0C1524;padding:7px 11px;border-radius:12px 12px 12px 2px;max-width:80%}
.chatlog .sys{align-self:center;color:var(--muted);font-size:12px}
.chatinput{display:flex;gap:8px;margin-top:10px}
.chatinput input{flex:1;border:1px solid #CFD8E3;border-radius:9px;padding:9px 11px;outline:none;font-size:13px}
.chatinput .btn{width:auto;padding:9px 13px;font-size:13px}
.linkbtn{background:none;border:none;color:var(--teal-d);font-size:12px;font-weight:600;cursor:pointer;margin-top:8px;text-align:left}
.filepick{display:block;text-align:center;border:1px dashed #CFD8E3;border-radius:10px;padding:16px;cursor:pointer;color:#42506A;font-size:13px;font-weight:600}
.filelist{margin-top:12px;display:flex;flex-direction:column;gap:8px;overflow:auto}
.fileitem{border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:12px}
.fileitem .bar{height:6px;background:#EEF1F6;border-radius:4px;overflow:hidden;margin-top:6px}
.fileitem .bar>div{height:100%;background:#14B3A6;width:0}
.fileitem a{font-weight:600}