/* ============================================================
   Luyện phỏng vấn xác minh người bán — giao diện
   ============================================================ */
:root{
  --bg:#f5f6f8; --surface:#ffffff; --surface-2:#f0f2f5; --text:#1a1d21; --muted:#5d6672; --border:#e1e4e9;
  --accent:#2e5bd8; --accent-ink:#ffffff; --accent-soft:#e9effd;
  --ok:#1d7f48; --ok-soft:#e5f3eb; --warn:#9a5a00; --warn-soft:#fcf1df; --bad:#bf3328; --bad-soft:#fbe8e6;
  --shadow:0 1px 2px rgba(16,24,40,.05),0 1px 3px rgba(16,24,40,.06);
  --r:12px; color-scheme:light;
  /* phòng gọi — luôn tối */
  --room-bg:#0b0d10; --tile:#15181d; --tile-2:#1c2027; --room-line:#262b33; --room-text:#e9ecf1; --room-muted:#9aa3ae;
  --speak:#3ddc84; --rec:#ff4d4f; --ctrl:#23272e; --ctrl-hover:#2d323b; --danger:#e5484d; --room-accent:#7d9dff;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0f1216; --surface:#171b21; --surface-2:#1f242c; --text:#e7eaee; --muted:#9aa3ae; --border:#2b313a;
    --accent:#7d9dff; --accent-ink:#0f1216; --accent-soft:#1d2741;
    --ok:#4cc483; --ok-soft:#14301f; --warn:#f0b45a; --warn-soft:#33270f; --bad:#ff7b6e; --bad-soft:#3a1a17;
    --shadow:none; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0f1216; --surface:#171b21; --surface-2:#1f242c; --text:#e7eaee; --muted:#9aa3ae; --border:#2b313a;
  --accent:#7d9dff; --accent-ink:#0f1216; --accent-soft:#1d2741;
  --ok:#4cc483; --ok-soft:#14301f; --warn:#f0b45a; --warn-soft:#33270f; --bad:#ff7b6e; --bad-soft:#3a1a17;
  --shadow:none; color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--text);font:15px/1.55 'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;-webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
button,select,input,textarea{font:inherit;color:inherit}
a{color:var(--accent)}
h2{font-size:19px;margin:0 0 4px;font-weight:700;letter-spacing:-.01em}
h3{font-size:15.5px;margin:0 0 8px;font-weight:650}
p{margin:0 0 10px}
code{font-size:12.5px;background:var(--surface-2);padding:1px 5px;border-radius:5px}
.muted{color:var(--muted)} .small{font-size:13px} .hidden{display:none !important}
.spacer{flex:1}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.stack > * + *{margin-top:14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* ---------- header / nav ---------- */
header.top{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--border)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;padding-bottom:6px}
.brand{display:flex;align-items:center;gap:10px;min-width:0;text-decoration:none;color:inherit}
.brand svg{flex:none}
.brand b{display:block;font-size:17px;letter-spacing:-.01em}
.brand span{display:block;color:var(--muted);font-size:12.5px}
.icon-btn{border:1px solid var(--border);background:var(--surface);border-radius:10px;width:38px;height:38px;display:grid;place-items:center;cursor:pointer;color:var(--text)}
.icon-btn:hover{background:var(--surface-2)}
.nav{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{color:var(--muted);font-weight:600;font-size:14px;padding:10px 12px 11px;border-bottom:2px solid transparent;white-space:nowrap;text-decoration:none}
.nav a:hover{color:var(--text)}
.nav a.on{color:var(--text);border-bottom-color:var(--accent)}
main{padding-top:20px;padding-bottom:64px}
.page{display:none;animation:pageIn .25s ease}
.page.on{display:block}
@keyframes pageIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* ---------- generic ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow);padding:18px}
.btn{appearance:none;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:10px;padding:9px 14px;font-weight:600;font-size:14px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;line-height:1.2;text-decoration:none}
.btn:hover{background:var(--surface-2)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.06)}
.btn.lg{padding:12px 18px;font-size:15px}
.btn.sm{padding:6px 10px;font-size:13px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.kbd{font-size:11px;border:1px solid var(--border);border-bottom-width:2px;border-radius:5px;padding:0 5px;color:var(--muted);font-weight:600}
.badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;padding:2px 9px;border-radius:999px;background:var(--surface-2);color:var(--muted);white-space:nowrap}
.badge.ok{background:var(--ok-soft);color:var(--ok)} .badge.warn{background:var(--warn-soft);color:var(--warn)}
.badge.bad{background:var(--bad-soft);color:var(--bad)} .badge.info{background:var(--accent-soft);color:var(--accent)}
.notice{border:1px solid var(--border);background:var(--surface-2);border-radius:10px;padding:10px 12px;font-size:13.5px}
.field{margin-top:14px}
.field > label,.field > .lbl{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:6px}
.seg{display:inline-flex;flex-wrap:wrap;gap:4px;background:var(--surface-2);border-radius:10px;padding:4px}
.seg button{border:0;background:transparent;border-radius:7px;padding:7px 12px;font-weight:600;font-size:13.5px;color:var(--muted);cursor:pointer}
.seg button.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}
.tog{display:flex;align-items:flex-start;gap:10px;padding:7px 0;cursor:pointer}
.tog input{width:18px;height:18px;margin:2px 0 0;accent-color:var(--accent);flex:none}
.tog b{font-weight:600}
.selbox,.inp input,.inp select,.inp textarea{width:100%;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:10px;padding:9px 11px;font-size:14px}
.selbox{font-weight:600}
.inp label{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:5px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 14px}
fieldset{border:0;margin:0 0 18px;padding:0;min-width:0}
legend{font-weight:650;font-size:15px;padding:0;margin-bottom:10px}
input[type=search]{border:1px solid var(--border);background:var(--surface);border-radius:10px;padding:9px 12px;min-width:240px;flex:1}
textarea:focus,input:focus,select:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.chip{border:1px solid var(--border);background:var(--surface);border-radius:999px;padding:5px 11px;font-size:13px;font-weight:600;cursor:pointer;color:var(--muted)}
.chip.on{background:var(--accent-soft);border-color:transparent;color:var(--accent)}
.chip .n{opacity:.7;font-weight:500;margin-left:3px}
.secttl{display:flex;align-items:center;gap:10px;margin:22px 0 8px}
.secttl h3{margin:0}
.qi{background:var(--surface);border:1px solid var(--border);border-radius:10px;margin-top:8px}
.qi summary{list-style:none;cursor:pointer;padding:12px 14px;display:flex;gap:10px;align-items:flex-start}
.qi summary::-webkit-details-marker{display:none}
.qi summary .qq{flex:1;font-weight:600}
.qi summary .chev{flex:none;transition:transform .15s;color:var(--muted);margin-top:3px}
.qi[open] summary .chev{transform:rotate(90deg)}
.qi .body{padding:0 14px 14px}
.qi .idb{font-variant-numeric:tabular-nums;min-width:40px;justify-content:center}
.ans{background:var(--surface-2);border-left:3px solid var(--accent);padding:12px 14px;border-radius:8px;margin-top:10px}
.ans .lbl{font-size:12px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px}
.ans.none{border-left-color:var(--warn)} .ans.none .lbl{color:var(--warn)}
.ans p:last-child{margin-bottom:0}
.mark{background:var(--warn-soft);color:var(--warn);border-radius:4px;padding:0 3px;font-weight:600}
.tip{font-size:13.5px;color:var(--muted);margin-top:10px;display:flex;gap:8px}
.tip svg{flex:none;margin-top:2px}
.steer{margin-top:10px;background:var(--accent-soft);border-radius:8px;padding:10px 12px;font-size:13.5px;display:flex;gap:9px;align-items:flex-start}
.steer svg{flex:none;margin-top:2px;color:var(--accent)}
.steer b{color:var(--accent);font-weight:650}
.fu{margin-top:10px;font-size:13.5px;color:var(--muted)}
.fu ul{margin:4px 0 0;padding-left:18px} .fu li{margin:2px 0}
.kws{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.kw{font-size:12.5px;font-weight:600;padding:2px 8px;border-radius:6px;background:var(--surface-2);color:var(--muted)}
.kw.hit{background:var(--ok-soft);color:var(--ok)} .kw.miss{background:var(--bad-soft);color:var(--bad)}
.h4{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:16px 0 6px}
.scnq{border-top:1px solid var(--border);padding:12px 0}
.scnq:first-of-type{border-top:0}
.scnq > b{display:block;margin-bottom:6px}
ul.plain{margin:6px 0 0;padding-left:18px} ul.plain li{margin:4px 0}
.flags{list-style:none;margin:0;padding:0}
.flags li{border:1px solid var(--border);border-left:4px solid var(--muted);border-radius:8px;padding:10px 12px;margin-top:8px;background:var(--surface)}
.flags li.h{border-left-color:var(--bad)} .flags li.m{border-left-color:var(--warn)} .flags li.l{border-left-color:var(--accent)}
.flags li b{display:block;font-weight:650;margin-bottom:2px}
.flags li span{font-size:13.5px;color:var(--muted)}
.flow{list-style:none;margin:0;padding:0;counter-reset:f}
.flow li{counter-increment:f;display:grid;grid-template-columns:30px 1fr;gap:10px;padding:9px 0;border-top:1px solid var(--border)}
.flow li:first-child{border-top:0}
.flow li::before{content:counter(f);width:26px;height:26px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-weight:700;font-size:13px;display:grid;place-items:center}
.flow b{display:block} .flow span{font-size:13.5px;color:var(--muted)}
.phr{display:grid;grid-template-columns:210px 1fr;gap:12px;padding:9px 0;border-top:1px solid var(--border);font-size:14px}
.phr:first-child{border-top:0}
.phr b{font-weight:600}
.say{background:var(--surface-2);border-radius:8px;padding:10px 12px;font-size:14.5px;margin-top:8px}
.tbl-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:10px;margin-top:10px}
table.tbl{border-collapse:collapse;width:100%;min-width:680px;font-size:13.5px;background:var(--surface)}
.tbl th,.tbl td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top}
.tbl th{background:var(--surface-2);font-weight:650;font-size:12.5px;color:var(--muted);white-space:nowrap}
.tbl tr:last-child td{border-bottom:0}
.meter{height:8px;background:var(--surface-2);border-radius:99px;overflow:hidden;margin-top:8px}
.meter i{display:block;height:100%;background:var(--accent);transition:width .3s}
.check{list-style:none;margin:0;padding:0}
.check li{border-top:1px solid var(--border)}
.check label{display:flex;gap:10px;align-items:flex-start;padding:8px 0;cursor:pointer;font-size:14px}
.check input{width:17px;height:17px;margin-top:2px;accent-color:var(--accent);flex:none}
.check input:checked + span{color:var(--muted);text-decoration:line-through}
.secbars{margin-top:8px}
.secbar{display:grid;grid-template-columns:220px 1fr 54px;gap:10px;align-items:center;padding:5px 0;font-size:13.5px}
.secbar .bar{height:8px;background:var(--surface-2);border-radius:99px;overflow:hidden;display:flex}
.secbar .bar i{display:block;height:100%;width:0;transition:width .8s cubic-bezier(.2,.8,.2,1)}
.secbar .bar i.g{background:var(--ok)} .secbar .bar i.s{background:var(--warn)} .secbar .bar i.b{background:var(--bad)}
.secbar .v{text-align:right;font-variant-numeric:tabular-nums;color:var(--muted)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:14px}
.stat{background:var(--surface-2);border-radius:10px;padding:10px 12px}
.stat b{display:block;font-size:22px;font-weight:700;font-variant-numeric:tabular-nums}
.stat span{font-size:12.5px;color:var(--muted)}
.score{display:flex;align-items:baseline;gap:10px}
.score b{font-size:48px;line-height:1;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.chat{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.msg{max-width:84%;padding:10px 13px;border-radius:12px;font-size:14.5px;line-height:1.5}
.msg.am{background:var(--surface-2);align-self:flex-start;border-top-left-radius:4px}
.msg.me{background:var(--accent-soft);align-self:flex-end;border-top-right-radius:4px}
.msg .who{display:flex;gap:8px;font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:3px}
.msg .who span{font-weight:500;text-transform:none;letter-spacing:0;font-variant-numeric:tabular-nums}
.msg .note{display:block;margin-top:7px;padding-top:7px;border-top:1px dashed var(--border);font-size:12.5px;color:var(--muted)}
.chat .divd{align-self:center;font-size:11.5px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.07em;margin:12px 0 2px}

/* ---------- phòng chờ ---------- */
.lobby{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:16px;align-items:start}
.preview{position:relative;aspect-ratio:4/3;background:#0e1013;border-radius:14px;overflow:hidden;display:grid;place-items:center}
.preview video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.preview .ph{color:#9aa3ae;text-align:center;font-size:14px;padding:16px}
.preview .ph b{display:block;color:#e9ecf1;font-size:16px;margin-bottom:4px}
.preview .lvl{position:absolute;left:12px;bottom:12px;display:flex;gap:3px;align-items:flex-end;height:22px;background:rgba(0,0,0,.45);padding:5px 8px;border-radius:8px}
.preview .lvl i{width:4px;height:4px;border-radius:2px;background:#3ddc84;transition:height .08s}
.devrow{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.join{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:16px}
.join .btn.primary{padding:13px 22px;font-size:16px}

/* ---------- phòng gọi ---------- */
.room{position:fixed;inset:0;z-index:100;background:var(--room-bg);color:var(--room-text);display:grid;grid-template-rows:auto minmax(0,1fr) auto auto;grid-template-columns:minmax(0,1fr) 0px;transition:grid-template-columns .3s ease}
.room.side-open{grid-template-columns:minmax(0,1fr) 360px}
.room *{scrollbar-color:#3a404a transparent}
.rtop{grid-row:1;grid-column:1/-1;display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid var(--room-line);min-height:52px}
.rtop .ttl{font-weight:650;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rtop .sub{color:var(--room-muted);font-size:12.5px}
.rec{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:#ffb3b4;background:rgba(255,77,79,.12);padding:3px 9px;border-radius:999px}
.rec i{width:8px;height:8px;border-radius:50%;background:var(--rec);animation:recPulse 1.4s infinite}
@keyframes recPulse{50%{opacity:.25}}
.rclock{font-variant-numeric:tabular-nums;font-weight:650;font-size:14px;white-space:nowrap}
.rclock.over{color:#ff8a8c}
.signal{display:inline-flex;gap:2px;align-items:flex-end;height:16px}
.signal i{width:3px;background:#3ddc84;border-radius:1px}
.signal i:nth-child(1){height:5px}.signal i:nth-child(2){height:9px}.signal i:nth-child(3){height:13px}.signal i:nth-child(4){height:16px}
.signal.bad i{background:#ff8a8c}.signal.bad i:nth-child(3),.signal.bad i:nth-child(4){background:#3a404a}
.rbtn{white-space:nowrap;border:0;background:transparent;color:var(--room-text);border-radius:8px;padding:6px 10px;font-weight:600;font-size:13px;cursor:pointer;display:inline-flex;gap:6px;align-items:center}
.rbtn:hover{background:var(--ctrl-hover)}
.stage{grid-row:2;grid-column:1;position:relative;margin:12px 12px 0;border-radius:16px;overflow:hidden;min-height:0;--pw:clamp(128px,22%,280px);--ph:calc(var(--pw)*.75)}
.tile{position:absolute;border-radius:14px;overflow:hidden;background:var(--tile);transition:left .45s cubic-bezier(.2,.8,.2,1),top .45s cubic-bezier(.2,.8,.2,1),width .45s cubic-bezier(.2,.8,.2,1),height .45s cubic-bezier(.2,.8,.2,1),box-shadow .2s;box-shadow:0 0 0 1px var(--room-line)}
.tile.main{left:0;top:0;width:100%;height:100%;z-index:1}
.tile.pip{left:calc(100% - 14px - var(--pw));top:calc(100% - 14px - var(--ph));width:var(--pw);height:var(--ph);z-index:3;box-shadow:0 0 0 1px var(--room-line),0 8px 24px rgba(0,0,0,.45)}
.tile.pip2{left:calc(100% - 28px - 2 * var(--pw));top:calc(100% - 14px - var(--ph));width:var(--pw);height:var(--ph);z-index:3;box-shadow:0 0 0 1px var(--room-line),0 8px 24px rgba(0,0,0,.45)}
.tile.off{opacity:0;pointer-events:none;transform:scale(.96)}
.tile.enter{animation:tileIn .5s cubic-bezier(.2,.8,.2,1)}
@keyframes tileIn{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:none}}
.tile.speaking{box-shadow:0 0 0 3px var(--speak),0 0 28px rgba(61,220,132,.25)}
.tile video{width:100%;height:100%;object-fit:cover;display:block}
.tile.self video{transform:scaleX(-1)}
.tile.share video{object-fit:contain;background:#000}
.plate{position:absolute;left:10px;bottom:10px;display:flex;align-items:center;gap:7px;background:rgba(0,0,0,.55);backdrop-filter:blur(6px);padding:4px 10px;border-radius:8px;font-size:12.5px;font-weight:600;max-width:calc(100% - 20px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;z-index:2}
.plate svg{flex:none}
.eq{display:inline-flex;gap:2px;align-items:center;height:12px}
.eq i{width:3px;height:3px;background:var(--speak);border-radius:2px}
.speaking .eq i{animation:eq .9s ease-in-out infinite}
.speaking .eq i:nth-child(2){animation-delay:.15s}.speaking .eq i:nth-child(3){animation-delay:.3s}.speaking .eq i:nth-child(4){animation-delay:.45s}
@keyframes eq{0%,100%{height:3px}50%{height:12px}}
.agent-art{position:absolute;inset:0;display:grid;place-items:center;background:radial-gradient(120% 90% at 50% 20%,#232a35 0%,#15181d 70%)}
.agent-art svg{height:min(62%,320px);width:auto;filter:drop-shadow(0 12px 30px rgba(0,0,0,.35))}
.tile.pip .agent-art svg{height:72%}
.agent-art .mouth{transform-origin:50% 50%;transform-box:fill-box;transform:scaleY(.25);transition:transform .1s}
.speaking .agent-art .mouth{animation:talk .26s ease-in-out infinite alternate}
@keyframes talk{from{transform:scaleY(.2)}to{transform:scaleY(1)}}
.agent-art .eyes{transform-origin:50% 50%;transform-box:fill-box;animation:blink 4.6s infinite}
@keyframes blink{0%,94%,100%{transform:scaleY(1)}96%{transform:scaleY(.1)}}
.agent-art .head{transform-origin:50% 90%;transform-box:fill-box;animation:sway 7s ease-in-out infinite}
@keyframes sway{0%,100%{transform:rotate(0)}30%{transform:rotate(-1.4deg)}70%{transform:rotate(1.2deg)}}
.noting{position:absolute;right:12px;top:12px;display:flex;gap:6px;align-items:center;background:rgba(0,0,0,.5);padding:5px 10px;border-radius:999px;font-size:12px;color:var(--room-muted);z-index:2;opacity:0;transform:translateY(-4px);transition:.25s}
.noting.on{opacity:1;transform:none}
.dots{display:inline-flex;gap:3px}
.dots i{width:5px;height:5px;border-radius:50%;background:var(--room-muted);animation:dot 1.2s infinite}
.dots i:nth-child(2){animation-delay:.2s}.dots i:nth-child(3){animation-delay:.4s}
@keyframes dot{0%,80%,100%{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
.self-ph{position:absolute;inset:0;display:grid;place-items:center;background:var(--tile-2)}
.avatar{width:min(42%,120px);aspect-ratio:1;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:clamp(18px,4vw,40px);background:#33507f;color:#fff;transition:box-shadow .1s}
.tile.pip .avatar{width:44%;font-size:22px}
.mic-ring{position:absolute;inset:0;border-radius:14px;pointer-events:none;box-shadow:inset 0 0 0 0 rgba(61,220,132,0);transition:box-shadow .08s}
.share-mock{position:absolute;inset:0;background:#f3f4f6;color:#1a1d21;display:flex;flex-direction:column}
.share-mock .bar{height:38px;background:#232f3e;color:#fff;display:flex;align-items:center;padding:0 14px;font-weight:650;font-size:13px;gap:16px}
.share-mock .bar span{opacity:.75;font-weight:500}
.share-mock .body{flex:1;display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;padding:16px}
.share-mock .body div{background:#fff;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.08);padding:12px;font-size:12.5px}
.share-mock .body div b{display:block;font-size:20px;margin-top:6px}
/* overlays */
.ov{position:absolute;inset:0;z-index:6;display:grid;place-items:center;text-align:center;opacity:0;pointer-events:none;transition:opacity .3s}
.ov.on{opacity:1;pointer-events:auto}
.connect{background:radial-gradient(90% 80% at 50% 40%,#1a2130 0%,#0b0d10 75%)}
.connect .rings{position:relative;width:120px;height:120px;margin:0 auto 22px}
.connect .rings i{position:absolute;inset:0;border-radius:50%;border:2px solid rgba(125,157,255,.55);animation:ring 2.4s cubic-bezier(.2,.6,.3,1) infinite}
.connect .rings i:nth-child(2){animation-delay:.8s}.connect .rings i:nth-child(3){animation-delay:1.6s}
@keyframes ring{from{transform:scale(.55);opacity:1}to{transform:scale(1.9);opacity:0}}
.connect .rings b{position:absolute;inset:22px;border-radius:50%;background:#2a3b63;display:grid;place-items:center}
.connect > div{padding:16px;max-width:100%}.connect h3{font-size:19px;margin:0 0 6px;color:#fff;text-wrap:balance}
.connect p{color:var(--room-muted);margin:0 0 4px;font-size:14px}
.connect .q{font-variant-numeric:tabular-nums;color:#c9d4ff;font-weight:650}
.drop{background:rgba(8,10,13,.72);backdrop-filter:blur(3px)}
.drop .spin{width:42px;height:42px;border-radius:50%;border:3px solid rgba(255,255,255,.15);border-top-color:#fff;animation:spin .9s linear infinite;margin:0 auto 14px}
@keyframes spin{to{transform:rotate(360deg)}}
.stage.frozen .tile video,.stage.frozen .agent-art{filter:blur(6px) grayscale(.6)}
.flash{background:#fff;z-index:9;transition:opacity .35s}
.flash.on{transition:none}
.doc{pointer-events:none;place-items:stretch}
.doc .frame{position:absolute;left:12%;right:12%;top:18%;bottom:18%;border-radius:12px}
.doc .frame::before,.doc .frame::after,.doc .frame i::before,.doc .frame i::after{content:"";position:absolute;width:34px;height:34px;border:4px solid #fff;filter:drop-shadow(0 0 6px rgba(0,0,0,.5))}
.doc .frame::before{left:0;top:0;border-right:0;border-bottom:0;border-top-left-radius:12px}
.doc .frame::after{right:0;top:0;border-left:0;border-bottom:0;border-top-right-radius:12px}
.doc .frame i::before{left:0;bottom:0;border-right:0;border-top:0;border-bottom-left-radius:12px}
.doc .frame i::after{right:0;bottom:0;border-left:0;border-top:0;border-bottom-right-radius:12px}
.doc.on .frame{animation:framePulse 1.6s ease-in-out infinite}
@keyframes framePulse{50%{transform:scale(.985)}}
.doc .hint{position:absolute;left:50%;top:10px;transform:translateX(-50%);background:rgba(0,0,0,.6);padding:6px 12px;border-radius:999px;font-size:13px;font-weight:600;white-space:nowrap}
.doc .count{position:absolute;inset:0;display:grid;place-items:center;font-size:84px;font-weight:800;color:#fff;text-shadow:0 4px 24px rgba(0,0,0,.5)}
.doc .count.pop{animation:pop .8s ease-out}
@keyframes pop{from{transform:scale(1.7);opacity:0}25%{opacity:1}to{transform:scale(1);opacity:.0}}
/* phụ đề */
.caps{grid-row:3;grid-column:1;margin:10px 12px 0;display:grid;gap:4px;min-height:58px}
.cap{display:flex;gap:10px;align-items:flex-start;font-size:15.5px;line-height:1.45;background:rgba(255,255,255,.04);border:1px solid var(--room-line);border-radius:10px;padding:8px 12px;transition:opacity .2s}
.cap .who{flex:none;font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--room-muted);padding-top:3px;min-width:68px}
.cap .t{flex:1}
.cap .t .dim{opacity:.32}
.cap.me .t{color:#cfe7ff}
.cap.me .t .interim{opacity:.6}
.caps.off .cap{display:none}
.caps.off::after{content:"Phụ đề đang tắt (phím C)";color:var(--room-muted);font-size:12.5px;padding:8px 2px}
/* thanh điều khiển */
.ctrls{grid-row:4;grid-column:1/-1;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 12px 14px;flex-wrap:wrap}
.cbtn{display:flex;flex-direction:column;align-items:center;gap:4px;border:0;background:transparent;color:var(--room-text);cursor:pointer;padding:0;min-width:58px;font-size:11.5px;font-weight:600}
.cbtn .ic{width:46px;height:46px;border-radius:50%;background:var(--ctrl);display:grid;place-items:center;transition:background .15s,transform .1s}
.cbtn:hover .ic{background:var(--ctrl-hover)}
.cbtn:active .ic{transform:scale(.94)}
.cbtn.off .ic{background:#3b1d20;color:#ff8a8c}
.cbtn.on .ic{background:#20335c;color:#bcd0ff}
.cbtn.pulse .ic{animation:ask 1.2s ease-in-out infinite}
@keyframes ask{0%,100%{box-shadow:0 0 0 0 rgba(125,157,255,.6)}50%{box-shadow:0 0 0 8px rgba(125,157,255,0)}}
.cbtn:disabled{opacity:.4;cursor:not-allowed}
.cbtn .lb{color:var(--room-muted)}
.done-btn{border:0;border-radius:999px;padding:0 22px;height:46px;background:var(--speak);color:#06210f;font-weight:700;font-size:15px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;margin:0 6px;transition:filter .15s,transform .1s,opacity .2s}
.done-btn:hover{filter:brightness(1.07)} .done-btn:active{transform:scale(.97)}
.done-btn:disabled{opacity:.35;cursor:not-allowed}
.end-btn{border:0;border-radius:999px;height:46px;padding:0 18px;background:var(--danger);color:#fff;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:8px}
.end-btn:hover{filter:brightness(1.08)}
.sep{width:1px;height:30px;background:var(--room-line);margin:0 4px}
/* panel ghi chú */
.side{grid-row:2/4;grid-column:2;background:var(--tile);border-left:1px solid var(--room-line);overflow:hidden;display:flex;flex-direction:column;min-width:0}
.side-in{padding:14px;overflow-y:auto;flex:1;width:360px}
.side h4{margin:0 0 8px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--room-muted)}
.pbar{height:5px;background:#262b33;border-radius:99px;overflow:hidden;margin:6px 0 12px}
.pbar i{display:block;height:100%;background:var(--room-accent);transition:width .4s}
.phase{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:650;padding:4px 10px;border-radius:999px;background:#20252d;color:var(--room-muted)}
.phase i{width:8px;height:8px;border-radius:50%;background:var(--room-muted)}
.phase.ask i{background:var(--room-accent);animation:recPulse 1s infinite}
.phase.listen i{background:var(--speak);animation:recPulse 1s infinite}
.phase.listen{color:#b8f5d2}
.rq{font-size:15px;font-weight:600;line-height:1.45;margin:10px 0}
.rbadge{display:inline-flex;font-size:11.5px;font-weight:650;padding:2px 8px;border-radius:999px;background:#20335c;color:#bcd0ff;margin:0 4px 4px 0}
.rbadge.w{background:#3a2c12;color:#f0c27a}
.side textarea{width:100%;min-height:84px;background:#0f1216;color:var(--room-text);border:1px solid var(--room-line);border-radius:10px;padding:9px 11px;resize:vertical}
.side .muted{color:var(--room-muted)}
.atimer{height:4px;background:#262b33;border-radius:99px;overflow:hidden;margin-top:8px}
.atimer i{display:block;height:100%;background:var(--speak);transition:width .25s linear}
.atimer.low i{background:var(--rec)}
.review{margin-top:14px;border-top:1px solid var(--room-line);padding-top:14px;animation:slideIn .35s cubic-bezier(.2,.8,.2,1)}
@keyframes slideIn{from{opacity:0;transform:translateX(16px)}to{opacity:1;transform:none}}
.room .ans{background:#0f1216;border-left-color:var(--room-accent)} .room .ans .lbl{color:var(--room-accent)}
.room .ans.none{border-left-color:#f0b45a} .room .ans.none .lbl{color:#f0b45a}
.room .steer{background:#18233d} .room .steer svg,.room .steer b{color:#a9bfff}
.room .mark{background:#3a2c12;color:#f0c27a}
.room .kw{background:#20252d;color:var(--room-muted)} .room .kw.hit{background:#14301f;color:#4cc483} .room .kw.miss{background:#3a1a17;color:#ff8a7e}
.room .tip,.room .fu{color:var(--room-muted)}
.gr{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:12px}
.gr button{border:1px solid var(--room-line);background:#1c2027;color:var(--room-text);border-radius:10px;padding:9px 4px;font-weight:650;font-size:13px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:2px}
.gr button small{font-weight:500;color:var(--room-muted);font-size:11px}
.gr button.sug{border-color:var(--room-accent)}
.gr .g1:hover,.gr .g1.sel{background:#14301f;border-color:#4cc483}
.gr .g2:hover,.gr .g2.sel{background:#33270f;border-color:#f0b45a}
.gr .g3:hover,.gr .g3.sel{background:#3a1a17;border-color:#ff7b6e}
.toasts{position:absolute;left:50%;top:64px;transform:translateX(-50%);z-index:20;display:grid;gap:8px;justify-items:center;pointer-events:none}
.toast{background:rgba(32,37,45,.96);border:1px solid var(--room-line);color:var(--room-text);padding:8px 14px;border-radius:10px;font-size:13.5px;box-shadow:0 10px 30px rgba(0,0,0,.4);animation:toastIn .3s cubic-bezier(.2,.8,.2,1)}
.toast.out{animation:toastOut .3s forwards}
@keyframes toastIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
@keyframes toastOut{to{opacity:0;transform:translateY(-8px)}}
.modal{position:absolute;inset:0;z-index:30;background:rgba(0,0,0,.55);display:grid;place-items:center;padding:16px}
.modal .box{background:#171b21;border:1px solid var(--room-line);border-radius:14px;padding:20px;max-width:380px;width:100%;animation:tileIn .25s}
.modal h3{color:#fff}
.modal .row{justify-content:flex-end;margin-top:14px}
.room .btn{background:#23272e;border-color:#2d323b;color:var(--room-text)}
.room .btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}
.ended{position:absolute;inset:0;z-index:40;background:var(--room-bg);display:grid;place-items:center;text-align:center;animation:fadeIn .4s}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.ended h2{color:#fff;font-size:22px}
.ended p{color:var(--room-muted)}

/* ---------- kết quả & lịch sử ---------- */
.verdict{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.ring{--v:0;width:120px;height:120px;border-radius:50%;background:conic-gradient(var(--c,var(--accent)) calc(var(--v)*1%),var(--surface-2) 0);display:grid;place-items:center;transition:--v 1s}
.ring b{width:94px;height:94px;border-radius:50%;background:var(--surface);display:grid;place-items:center;font-size:28px;font-weight:750;font-variant-numeric:tabular-nums}
.tr-q{font-weight:600}
.tr-me{background:var(--accent-soft);border-radius:8px;padding:8px 11px;margin-top:8px;font-size:14px}
.tr-me.empty{background:var(--surface-2);color:var(--muted)}
.mini{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.grade-row{display:flex;gap:6px;margin-top:10px}
.grade-row button{border:1px solid var(--border);background:var(--surface);border-radius:8px;padding:5px 10px;font-weight:600;font-size:12.5px;cursor:pointer;color:var(--text)}
.grade-row button.sel.g1{background:var(--ok-soft);border-color:var(--ok);color:var(--ok)}
.grade-row button.sel.g2{background:var(--warn-soft);border-color:var(--warn);color:var(--warn)}
.grade-row button.sel.g3{background:var(--bad-soft);border-color:var(--bad);color:var(--bad)}
.spark{width:100%;height:80px;display:block}
.hist-row{display:grid;grid-template-columns:140px 1fr auto auto;gap:12px;align-items:center;padding:10px 0;border-top:1px solid var(--border);font-size:14px}
.hist-row:first-child{border-top:0}

@media (max-width:900px){
  .room{grid-template-columns:minmax(0,1fr) 0px !important}
  .side{grid-column:1/-1;grid-row:1/-1;align-self:end;position:absolute;left:0;right:0;bottom:84px;top:auto;max-height:58vh;z-index:25;border:1px solid var(--room-line);border-radius:16px 16px 0 0;transform:translateY(110%);transition:transform .3s cubic-bezier(.2,.8,.2,1);box-shadow:0 -10px 30px rgba(0,0,0,.4)}
  .room.side-open .side{transform:none}
  .side-in{width:auto}
  .cbtn .lb{display:none}
  .cbtn{min-width:46px}
  .sep{display:none}
  .lobby{grid-template-columns:1fr}
}
@media (max-width:760px){
  .grid2,.form-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .secbar{grid-template-columns:120px 1fr 44px}
  .phr{grid-template-columns:1fr;gap:4px}
  .msg{max-width:100%}
  .hist-row{grid-template-columns:1fr auto}
  .brand span{display:none}
}
@media (max-width:560px){
  .rclock .tg{display:none}
  .connect h3{font-size:17px}
  .cbtn .ic{width:42px;height:42px}
  .done-btn{padding:0 16px;font-size:14px}
  .end-btn span{display:none}
  .cap{font-size:14.5px}
  .rtop .sub{display:none}
  input[type=search]{min-width:0}
  .card{padding:14px}
  .stage{--pw:clamp(96px,30%,160px)}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}
@media print{
  header.top,.no-print,.nav{display:none !important}
  body{background:#fff;color:#000}
  .page{display:none !important}
  .page.print-me{display:block !important}
  .card{box-shadow:none;border:0;padding:0}
  .msg{break-inside:avoid;border:1px solid #ddd}
}