:root{
  --bg:#0f0f1a; --bg2:#16162a; --card:#1c1c34; --card2:#24243f;
  --txt:#eef0ff; --mut:#9aa0c3; --line:#2b2b48;
  --accent:#6c5ce7; --accent2:#00d1b2; --danger:#ff5b6e; --ok:#2ec77a;
  --radius:18px; --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:radial-gradient(1200px 800px at 50% -10%,#20204a 0%,var(--bg) 55%);
  color:var(--txt); min-height:100vh; min-height:100dvh;
  padding-bottom:env(safe-area-inset-bottom);
}
h1,h2,h3{margin:0}
button{font-family:inherit;cursor:pointer;border:none}
input,select{font-family:inherit}

/* ---------- Topbar ---------- */
.topbar{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;background:rgba(15,15,26,.8);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:8px;font-size:19px;cursor:pointer}
.brand .logo{font-size:22px}
.brand strong{color:var(--accent2)}
.conn{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--mut)}
.conn .dot{width:9px;height:9px;border-radius:50%;background:#f1c40f;box-shadow:0 0 8px #f1c40f}
.conn.ok .dot{background:var(--ok);box-shadow:0 0 8px var(--ok)}
.conn.off .dot{background:var(--danger);box-shadow:0 0 8px var(--danger)}

/* ---------- Views ---------- */
main{max-width:640px;margin:0 auto;padding:18px 16px 60px}
.view{display:none;animation:fade .25s ease}
.view.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.view-title{font-size:22px;margin:6px 0 18px}
.back{background:transparent;color:var(--mut);font-size:15px;padding:6px 0;margin-bottom:8px}

/* ---------- Home hero ---------- */
.hero{text-align:center;padding:18px 6px 22px}
.hero h1{font-size:27px;line-height:1.2;letter-spacing:-.5px}
.hero .sub{color:var(--mut);margin-top:8px;font-size:15px}

.role-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:28px}
.role-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 14px;display:flex;flex-direction:column;align-items:center;gap:6px;
  color:var(--txt);transition:transform .12s,border-color .2s;box-shadow:var(--shadow)
}
.role-card:active{transform:scale(.97)}
.role-card .ico{font-size:36px}
.role-card .rc-title{font-size:17px;font-weight:700}
.role-card .rc-sub{font-size:13px;color:var(--mut)}
.role-card.listener{border-color:#2a6df4aa}
.role-card.guide{border-color:#6c5ce7aa}

/* ---------- Live sessions ---------- */
.live-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.live-head h2{font-size:18px}
.pill{background:var(--accent);color:#fff;border-radius:999px;padding:2px 10px;font-size:13px;font-weight:700}
.session-list{display:flex;flex-direction:column;gap:10px}
.session-card{
  display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);
  border-left:5px solid var(--accent);border-radius:14px;padding:14px;text-align:left;color:var(--txt);
  transition:transform .12s,background .2s;box-shadow:var(--shadow)
}
.session-card:active{transform:scale(.98);background:var(--card2)}
.session-card .sc-main{flex:1;min-width:0}
.session-card .sc-name{font-weight:700;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.session-card .sc-meta{color:var(--mut);font-size:13px;margin-top:3px;display:flex;gap:10px;flex-wrap:wrap}
.session-card .sc-live{display:flex;align-items:center;gap:6px;color:var(--danger);font-weight:700;font-size:12px}
.session-card .sc-live .rec{width:9px;height:9px;border-radius:50%;background:var(--danger);animation:blink 1.2s infinite}
@keyframes blink{50%{opacity:.25}}
.empty{color:var(--mut);text-align:center;padding:22px;font-size:14px}
.session-list:not(:empty)+.empty{display:none}

/* ---------- Forms ---------- */
.form{display:flex;flex-direction:column;gap:16px}
.form label{display:flex;flex-direction:column;gap:7px;font-size:14px;color:var(--mut)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form input[type=text],.form input:not([type]),.form input[name],.form select{
  background:var(--card);border:1px solid var(--line);color:var(--txt);
  border-radius:12px;padding:13px 14px;font-size:15px;width:100%
}
.form input:focus,.form select:focus{outline:none;border-color:var(--accent)}
.swatches{display:flex;gap:10px;flex-wrap:wrap}
.swatches button{width:34px;height:34px;border-radius:50%;border:3px solid transparent;transition:transform .1s}
.swatches button[aria-selected=true]{border-color:#fff;transform:scale(1.1)}

/* ---------- Buttons ---------- */
.btn{background:var(--card2);color:var(--txt);border-radius:12px;padding:12px 16px;font-size:15px;font-weight:600;border:1px solid var(--line)}
.btn.primary{background:linear-gradient(135deg,var(--accent),#8e7bff);border:none;color:#fff}
.btn.big{padding:16px;font-size:16px}
.btn.ghost{background:transparent}
.btn:active{transform:scale(.97)}

/* ---------- Channel header ---------- */
.channel-hd{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;margin-bottom:20px;border-left:6px solid var(--accent)}
.channel-hd .ch-name{font-size:20px;font-weight:800}
.channel-hd .ch-meta{color:var(--mut);font-size:14px;margin-top:6px;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Mic stage (guide) ---------- */
.mic-stage{display:flex;flex-direction:column;align-items:center;gap:18px;margin:10px 0 24px}
.mic-btn{
  width:170px;height:170px;border-radius:50%;
  background:radial-gradient(circle at 50% 35%,#8e7bff,var(--accent));
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:#fff;
  box-shadow:0 0 0 0 rgba(108,92,231,.55);animation:live 2s infinite
}
.mic-btn .mic-ico{font-size:52px}
.mic-btn .mic-label{font-weight:800;letter-spacing:.5px}
.mic-btn.muted{background:radial-gradient(circle at 50% 35%,#3a3a55,#26263e);animation:none}
@keyframes live{0%{box-shadow:0 0 0 0 rgba(108,92,231,.5)}70%{box-shadow:0 0 0 26px rgba(108,92,231,0)}100%{box-shadow:0 0 0 0 rgba(108,92,231,0)}}
.vu{width:220px;height:8px;background:var(--card);border-radius:6px;overflow:hidden}
.vu span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent2),#f1c40f,var(--danger));transition:width .06s}
.ptt-row .switch{display:flex;align-items:center;gap:8px;color:var(--mut);font-size:14px}
.switch input{width:20px;height:20px}

.stat-row{display:flex;gap:12px;margin-bottom:18px}
.stat{flex:1;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;text-align:center}
.stat .num{display:block;font-size:26px;font-weight:800}
.stat .lbl{color:var(--mut);font-size:13px}

.note-send{display:flex;gap:8px;margin-bottom:14px}
.note-send input{flex:1;background:var(--card);border:1px solid var(--line);color:var(--txt);border-radius:12px;padding:12px 14px;font-size:14px}
.share-row{display:flex;gap:10px;margin-bottom:14px}
.share-row .btn{flex:1}
.reaction-feed{min-height:40px;display:flex;flex-wrap:wrap;gap:6px;justify-content:center}
.floaty{font-size:26px;animation:floaty 1.6s ease forwards}
@keyframes floaty{0%{opacity:0;transform:translateY(10px) scale(.6)}20%{opacity:1}100%{opacity:0;transform:translateY(-40px) scale(1.2)}}

/* ---------- Listen stage ---------- */
.listen-stage{display:flex;flex-direction:column;align-items:center;gap:16px;margin:14px 0 22px}
.pulse{width:150px;height:150px;border-radius:50%;background:radial-gradient(circle at 50% 40%,#2a6df4,#123a8a);display:flex;align-items:center;justify-content:center;font-size:56px;box-shadow:0 0 0 0 rgba(42,109,244,.5)}
.pulse.playing{animation:live2 2s infinite}
@keyframes live2{0%{box-shadow:0 0 0 0 rgba(42,109,244,.5)}70%{box-shadow:0 0 0 24px rgba(42,109,244,0)}100%{box-shadow:0 0 0 0 rgba(42,109,244,0)}}
.listen-state{color:var(--mut);font-size:15px;text-align:center}
.listen-state.live{color:var(--ok);font-weight:700}
.vol-row{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.vol-row input[type=range]{flex:1;accent-color:var(--accent2)}
.react-bar{display:flex;gap:10px;justify-content:center;margin-bottom:24px}
.react-bar button{width:52px;height:52px;border-radius:50%;background:var(--card);border:1px solid var(--line);font-size:24px}
.react-bar button:active{transform:scale(.85)}
.notes h3{font-size:15px;color:var(--mut);margin-bottom:10px}
.note-feed{display:flex;flex-direction:column;gap:8px}
.note-item{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--accent2);border-radius:12px;padding:12px 14px;font-size:15px;animation:fade .3s}
.note-item .t{display:block;color:var(--mut);font-size:11px;margin-top:5px}

/* ---------- Modal ---------- */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal.open{display:flex}
.modal-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:24px;text-align:center;max-width:340px;width:100%}
.modal-card h3{margin-bottom:16px}
.qr-holder{background:#fff;padding:14px;border-radius:14px;display:inline-block;margin-bottom:12px}
.qr-holder canvas,.qr-holder img{display:block}
.qr-link{color:var(--mut);font-size:12px;word-break:break-all;margin-bottom:16px}

/* ---------- Toast ---------- */
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);background:#000c;color:#fff;padding:12px 18px;border-radius:12px;font-size:14px;opacity:0;transition:.25s;pointer-events:none;z-index:60}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}