:root{
  --bg:#0b1220; --panel:#121b2e; --panel2:#0e1626; --line:#1e2a44;
  --txt:#e7edf7; --dim:#8aa0c2; --accent:#3b82f6; --accent2:#22d3ee;
  --red:#ef4444; --green:#22c55e; --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-tap-highlight-color:transparent}
button{font-family:inherit;cursor:pointer}
input,select{font-family:inherit}
a{color:var(--accent2);cursor:pointer;text-decoration:none}

/* AUTH */
.auth-wrap{min-height:100%;display:flex;align-items:center;justify-content:center;padding:20px}
.auth-card{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:32px;width:360px;max-width:100%}
.logo{font-size:26px;font-weight:800}
.logo span{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.tag{color:var(--dim);margin:4px 0 20px;text-align:center}
.auth-card input{display:block;width:100%;margin:10px 0;padding:13px 14px;border-radius:10px;border:1px solid var(--line);background:var(--panel2);color:var(--txt);font-size:16px}
.primary{width:100%;padding:13px;border:none;border-radius:10px;font-size:16px;font-weight:700;color:#fff;
  background:linear-gradient(90deg,var(--accent),#2563eb)}
.primary:active{opacity:.85}
.switch{text-align:center;color:var(--dim);margin-top:14px}
.hint{text-align:center;color:var(--dim);font-size:12px;margin-top:8px}
.err{color:var(--red);min-height:18px;font-size:14px;margin-bottom:4px}

/* APP LAYOUT */
.app{display:flex;height:100%}
.sidebar{width:240px;background:var(--panel2);border-right:1px solid var(--line);display:flex;flex-direction:column;overflow-y:auto;flex-shrink:0}
.me-bar{padding:14px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:4px}
.me-name{font-weight:700;font-size:14px}
.me-bar .adm,.me-bar .logout{font-size:12px}
.side-section{padding:12px 10px;border-bottom:1px solid var(--line)}
.side-head{display:flex;justify-content:space-between;align-items:center;color:var(--dim);font-size:12px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.side-head button{background:var(--panel);border:1px solid var(--line);color:var(--txt);border-radius:6px;width:24px;height:24px;font-size:16px;line-height:1}
.ch-list{list-style:none;margin:0;padding:0}
.ch{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:8px;cursor:pointer;font-size:14px}
.ch:hover{background:var(--panel)}
.ch.active{background:var(--accent);color:#fff}
.ch-n{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ch-c{font-size:11px;color:var(--dim);background:rgba(255,255,255,.06);padding:1px 7px;border-radius:10px}
.ch.active .ch-c{color:#fff}
.mutedb{font-size:10px;color:var(--red);border:1px solid var(--red);border-radius:8px;padding:0 5px}
.join{font-size:11px;background:var(--accent);border:none;color:#fff;border-radius:6px;padding:3px 8px}
.dim .ch{color:var(--dim)}
.empty{color:var(--dim);font-size:12px;padding:6px 10px;list-style:none}

/* MAIN */
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);background:var(--panel)}
.back{display:none;background:none;border:none;color:var(--txt);font-size:22px}
.ch-title{display:flex;align-items:baseline;gap:12px}
#cur-ch{font-size:18px;font-weight:700}
.conn{font-size:12px;color:var(--dim);border:1px solid var(--line);border-radius:10px;padding:1px 8px}
.conn.on{color:var(--green);border-color:var(--green)}
.conn.err{color:var(--red);border-color:var(--red)}

.stage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:24px;overflow-y:auto}
.talking{min-height:28px;font-size:18px;color:var(--dim);margin:8px 0 18px}
.talking.live{color:var(--txt)}

.ptt{width:230px;height:230px;border-radius:50%;border:none;color:#fff;position:relative;
  background:radial-gradient(circle at 50% 35%,#2b3a5e,#16213a);
  box-shadow:0 10px 40px rgba(0,0,0,.5),inset 0 2px 6px rgba(255,255,255,.08);
  transition:transform .08s, box-shadow .15s; touch-action:none; user-select:none; -webkit-user-select:none}
.ptt:disabled{opacity:.45;filter:grayscale(.6)}
.ptt-inner{display:flex;flex-direction:column;align-items:center;gap:10px}
.ptt-icon{font-size:54px}
.ptt-label{font-weight:800;letter-spacing:1px;font-size:15px}
.ptt.active{transform:scale(.96);
  background:radial-gradient(circle at 50% 35%,#ef5350,#b91c1c);
  box-shadow:0 0 0 10px rgba(239,68,68,.25),0 0 60px rgba(239,68,68,.6)}
.ptt-help{color:var(--dim);font-size:13px;margin:16px 0 8px}

.feed-wrap{width:100%;max-width:520px;margin-top:14px}
.feed-wrap h4{color:var(--dim);font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.5px}
.history{list-style:none;padding:0;margin:0}
.history li{display:flex;justify-content:space-between;padding:9px 12px;border:1px solid var(--line);border-radius:8px;margin-bottom:6px;background:var(--panel2);font-size:14px}
.hu{font-weight:600}
.ht{color:var(--dim);font-size:12px}

/* ROSTER */
.roster{width:200px;background:var(--panel2);border-left:1px solid var(--line);padding:14px;overflow-y:auto;flex-shrink:0}
.roster-list{list-style:none;padding:0;margin:8px 0 0}
.roster-list li{display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:8px;font-size:14px}
.roster-list li.spk{background:rgba(34,197,94,.15)}
.dot{width:9px;height:9px;border-radius:50%;background:var(--dim)}
.dot.on{background:var(--green)}
.you{font-size:10px;color:var(--dim)}

/* unlock + modals */
.unlock,.modal{position:fixed;inset:0;background:rgba(3,8,18,.82);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.unlock-card,.modal-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px;width:380px;max-width:100%;text-align:center}
.modal-card.wide{width:640px;text-align:left;max-height:86vh;overflow-y:auto}
.modal-head{display:flex;justify-content:space-between;align-items:center}
.x{background:none;border:none;color:var(--dim);font-size:20px}
.modal-card input,.modal-card select{width:100%;padding:11px;margin:8px 0;border-radius:9px;border:1px solid var(--line);background:var(--panel2);color:var(--txt);font-size:16px}
.ck{display:flex;align-items:center;gap:8px;color:var(--dim);font-size:14px;margin:6px 0}
.ck input{width:auto;margin:0}
.kpis{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0 6px}
.kpi{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:12px 16px;text-align:center;flex:1}
.kpi b{display:block;font-size:22px}
.kpi span{font-size:11px;color:var(--dim)}
.atb{width:100%;border-collapse:collapse;margin-bottom:10px}
.atb th,.atb td{text-align:left;padding:7px 6px;border-bottom:1px solid var(--line);font-size:13px}
.atb small{color:var(--dim)}
.mini{background:var(--panel2);border:1px solid var(--line);color:var(--txt);border-radius:6px;padding:4px 9px;font-size:12px;cursor:pointer}
.mini.del{border-color:var(--red);color:var(--red)}

/* admin console: tabs */
.atabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:14px;flex-wrap:wrap}
.atab{background:none;border:none;border-bottom:2px solid transparent;color:var(--dim);padding:8px 12px;font-size:13px;font-weight:600;cursor:pointer}
.atab.on{color:var(--txt);border-bottom-color:var(--accent)}
.admin-pane h4{color:var(--dim);font-size:12px;text-transform:uppercase;letter-spacing:.5px;margin:16px 0 6px}
.uacts{display:flex;gap:5px;flex-wrap:wrap}

/* vault */
.vfilters{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.vfilters input,.vfilters select{width:auto;margin:0;flex:0 0 auto;padding:8px 10px;font-size:14px}
.vfilters #vq{flex:1;min-width:140px}
.vfilters .ghost{width:auto;padding:8px 14px}
.vch{color:var(--accent2);font-size:12px}
.vdl{flex:0 0 auto;color:var(--dim);font-size:16px;text-decoration:none;padding:0 4px}

/* member/assign rows */
.cmrow,.acrow{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:3px 0}
.cmrow .ck,.acrow{margin:0}

/* analytics charts */
.achart{display:flex;align-items:flex-end;gap:4px;height:120px;padding:6px 0;border-bottom:1px solid var(--line)}
.abar{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:4px}
.abar-f{width:70%;min-height:2px;background:linear-gradient(180deg,var(--accent2),var(--accent));border-radius:3px 3px 0 0}
.abar span{font-size:9px;color:var(--dim)}
.arow{display:flex;align-items:center;gap:10px;font-size:13px;margin:4px 0}
.arow-l{flex:0 0 120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.arow-bar{flex:1;background:var(--panel2);border-radius:6px;height:14px;overflow:hidden}
.arow-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2))}

/* channel gear + lock */
.gear{background:none;border:none;color:var(--dim);font-size:14px;cursor:pointer;padding:0 2px;opacity:.6}
.ch:hover .gear{opacity:1}
.ch.active .gear{color:#fff}
.lock{margin-right:4px;font-size:11px}

/* history: play button + transcript */
.history li{flex-direction:column;align-items:stretch;gap:5px}
.hrow{display:flex;align-items:center;gap:9px}
.hrow .hu{flex:1}
.play{flex:0 0 auto;width:30px;height:30px;border-radius:50%;border:none;background:var(--accent);color:#fff;font-size:13px;cursor:pointer;line-height:1}
.play.noaudio{background:var(--panel);color:var(--dim);cursor:default;display:inline-flex;align-items:center;justify-content:center}
.htx{color:var(--txt);font-size:13px;line-height:1.35;padding-left:39px;opacity:.92}

/* edit-channel modal extras */
.ec-invite{display:flex;gap:8px}
.ec-invite input{flex:1}
.ec-invite .ghost{flex:0 0 auto;width:auto;padding:0 14px}
.ec-actions{display:flex;gap:8px;margin-top:6px}
.ec-actions .primary{width:auto;flex:1}
.ghost{padding:11px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--txt);font-weight:600;cursor:pointer}
.danger{padding:11px 14px;border:1px solid var(--red);border-radius:10px;background:none;color:var(--red);font-weight:600;cursor:pointer}
.ec-msg{font-size:13px;min-height:16px}
.ec-msg.ok{color:#3fb950}
.ec-msg.err{color:var(--red)}

/* BRAND */
.brand-img{display:block;width:100%;max-width:240px;height:auto;margin:0 auto 6px}

/* SIDE-HEAD multi-button */
.head-btns{display:flex;gap:6px}

/* PEOPLE ONLINE */
.people-list{list-style:none;margin:0;padding:0}
.person{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;cursor:pointer;font-size:14px}
.person:hover{background:var(--panel)}
.person .pn{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dot{width:9px;height:9px;border-radius:50%;background:var(--green);flex-shrink:0;box-shadow:0 0 6px var(--green)}
.dot.off{background:#56627a;box-shadow:none}

/* GROUP PICKER */
.pick-list{max-height:46vh;overflow-y:auto;margin-bottom:12px}
.pick{display:flex;align-items:center;gap:9px;padding:9px 6px;border-radius:8px;font-size:15px;cursor:pointer}
.pick:hover{background:var(--panel2)}
.pick input{width:18px;height:18px}
.pick .pu{color:var(--dim);font-size:12px;margin-left:auto}

/* ADD PERSON (topbar) */
.add-person{margin-left:auto;background:var(--panel2);border:1px solid var(--line);color:var(--txt);
  border-radius:8px;padding:7px 11px;font-size:14px;align-items:center;gap:4px}

/* MOBILE / iOS */
@media (max-width:820px){
  .roster{display:none}
  .sidebar{position:absolute;z-index:20;height:100%;width:min(86vw,300px);transition:transform .2s;
    padding-top:env(safe-area-inset-top)}
  .app.in-channel .sidebar{transform:translateX(-100%)}
  .back{display:block}
  .topbar{padding-top:calc(14px + env(safe-area-inset-top))}
  .ptt{width:min(72vw,240px);height:min(72vw,240px)}
  .ptt-icon{font-size:48px}
  .stage{padding-bottom:env(safe-area-inset-bottom)}
  .ch,.person,.pick{padding-top:12px;padding-bottom:12px}
  .add-person{padding:9px 13px;font-size:16px}
  .main{width:100%}
}