/* QR Reels — immersive study feed. Mobile first; desktop shows a phone stage with side panels. */
:root{--bg:#07080C;--ink:#F6F7FB;--mute:rgba(246,247,251,.68);--dim:rgba(246,247,251,.45);--line:rgba(255,255,255,.12);--glass:rgba(255,255,255,.08);--glass2:rgba(255,255,255,.14);
  --ok:#22C55E;--bad:#F43F5E;--gold:#FBBF24;--em:#10B981;--hud:118px;--r:22px}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;background:var(--bg);color:var(--ink);font-family:'DM Sans',system-ui,sans-serif;-webkit-font-smoothing:antialiased;overscroll-behavior:none}
body{overflow:hidden}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}
svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.hp-i{width:15px;height:15px;flex-shrink:0}
:focus-visible{outline:2px solid #A5B4FC;outline-offset:2px;border-radius:10px}
[lang=hi]{font-family:'Noto Sans Devanagari','DM Sans',sans-serif}
body[data-lang=en] [lang=hi],body[data-lang=hi] .qf-reel [lang=en]{display:none!important}

/* ---------- Layout ---------- */
.qf-app{height:100dvh;display:flex;justify-content:center;align-items:stretch}
.qf-side{display:none}
.qf-stage{position:relative;width:100%;height:100dvh;overflow:hidden;background:#0B0C12}
@media(min-width:1000px){
  .qf-app{gap:28px;align-items:center;padding:20px;background:radial-gradient(60% 80% at 50% 0%,#1A1B2E,transparent 70%),var(--bg)}
  .qf-stage{width:430px;height:min(920px,calc(100dvh - 40px));border-radius:34px;box-shadow:0 0 0 10px #15161E,0 0 0 11px #2A2B36,0 40px 120px -20px rgba(0,0,0,.9)}
  .qf-side{display:flex;flex-direction:column;gap:18px;width:280px;padding:22px;border-radius:24px;background:rgba(255,255,255,.035);border:1px solid var(--line)}
}

/* ---------- HUD ---------- */
.qf-hud{position:absolute;inset:0 0 auto 0;z-index:30;padding:calc(10px + env(safe-area-inset-top)) 12px 0;background:linear-gradient(180deg,rgba(7,8,12,.9),rgba(7,8,12,.55) 70%,transparent);pointer-events:none}
.qf-hud>*{pointer-events:auto}
.qf-hud-row{display:flex;align-items:center;gap:8px}
.qf-ic{position:relative;display:grid;place-items:center;width:40px;height:40px;flex-shrink:0;border-radius:13px;background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.qf-ic svg{width:20px;height:20px}
.qf-title{flex:1;min-width:0;line-height:1.1}
.qf-title b{display:block;font-family:Manrope,sans-serif;font-size:17px;font-weight:800;letter-spacing:-.01em}
.qf-title small{font-size:12px;color:var(--dim);font-weight:600}
.qf-pill{display:flex;align-items:center;gap:10px;height:40px;padding:0 12px;border-radius:13px;background:var(--glass);border:1px solid var(--line);font-size:13px;font-weight:700;backdrop-filter:blur(12px)}
.qf-pill b{font-weight:800}
.qf-goal svg{position:absolute;inset:3px;width:34px;height:34px;transform:rotate(-90deg)}
.qf-goal i{font-style:normal;font-size:12px;font-weight:800}
.trk{fill:none;stroke:rgba(255,255,255,.14);stroke-width:4}
.val{fill:none;stroke:url(#none);stroke:var(--gold);stroke-width:4;stroke-linecap:round;stroke-dasharray:100;stroke-dashoffset:100;transition:stroke-dashoffset .6s cubic-bezier(.2,.8,.2,1)}
.qf-chips{display:flex;gap:6px;margin:10px -12px 0;padding:0 12px 8px;overflow-x:auto;scrollbar-width:none}
.qf-chips::-webkit-scrollbar{display:none}
.qf-chips button{flex-shrink:0;height:32px;padding:0 12px;border-radius:99px;background:rgba(255,255,255,.07);border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--mute);white-space:nowrap}
.qf-chips button b{margin-left:3px;font-weight:800}
.qf-chips button.on{background:var(--ink);border-color:var(--ink);color:#0B0C12}
.qf-bar{height:3px;margin:0 -12px;background:rgba(255,255,255,.08)}
.qf-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#818CF8,#F472B6,#FBBF24);transition:width .35s ease}

/* ---------- Deck ---------- */
.qf-deck{height:100%;overflow-y:auto;scroll-snap-type:y mandatory;overscroll-behavior:contain;scrollbar-width:none;outline:0}
.qf-deck::-webkit-scrollbar{display:none}
.qf-reel{position:relative;height:100%;min-height:100%;scroll-snap-align:start;scroll-snap-stop:always;overflow:hidden;display:flex;flex-direction:column;justify-content:center;isolation:isolate}
.qf-reel[hidden]{display:none}
.qf-bg{position:absolute;inset:0;z-index:-1;background:var(--g1,#14152A)}
.qf-bg i{position:absolute;width:70%;aspect-ratio:1;border-radius:50%;filter:blur(60px);opacity:.75;animation:drift 14s ease-in-out infinite alternate}
.qf-bg i:first-child{top:-18%;right:-22%;background:var(--g2,#6366F1)}
.qf-bg i:last-child{bottom:-20%;left:-25%;background:var(--g3,#EC4899);animation-duration:18s;opacity:.55}
@keyframes drift{to{transform:translate(-12%,10%) scale(1.15)}}
@media(prefers-reduced-motion:reduce){.qf-bg i{animation:none}}
.qf-in{position:relative;padding:calc(var(--hud) + 14px) 76px 40px 20px;display:flex;flex-direction:column;gap:14px;max-height:100%;overflow-y:auto;scrollbar-width:none}
.qf-in::-webkit-scrollbar{display:none}

/* Tones */
.k-quiz{--g1:#120F2B;--g2:#5B21B6;--g3:#BE185D}
.k-quiz.t-m{--g2:#4F46E5;--g3:#0EA5E9}
.k-quiz.t-r{--g2:#7C3AED;--g3:#F59E0B}
.k-quiz.t-e{--g2:#0891B2;--g3:#6366F1}
.k-quiz.t-h{--g2:#EA580C;--g3:#DB2777}
.k-quiz.t-p{--g2:#B45309;--g3:#7C2D12}
.k-quiz.t-g{--g2:#0D9488;--g3:#4F46E5}
.k-quiz.t-s{--g2:#16A34A;--g3:#0EA5E9}
.k-quiz.t-c{--g2:#2563EB;--g3:#9333EA}
.k-flash{--g1:#1A1305;--g2:#D97706;--g3:#B45309}
.k-job{--g1:#04140F;--g2:#059669;--g3:#0D9488}
.k-job.is-near{--g2:#10B981;--g3:#F59E0B}
.k-admission{--g1:#06121C;--g2:#0284C7;--g3:#6366F1}
.k-update{--g1:#1A0812;--g2:#E11D48;--g3:#9333EA}
.k-end{--g1:#0F0B1E;--g2:#F59E0B;--g3:#8B5CF6}

/* Tags */
.qf-tagrow{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.qf-tag{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 11px;border-radius:99px;background:rgba(0,0,0,.28);border:1px solid var(--line);font-size:12.5px;font-weight:700;color:#fff;backdrop-filter:blur(8px)}
.qf-near{background:rgba(251,191,36,.18);border-color:rgba(251,191,36,.45);color:#FDE68A}
.qf-again{display:none;height:28px;padding:0 11px;border-radius:99px;align-items:center;background:rgba(244,63,94,.2);border:1px solid rgba(244,63,94,.5);font-size:12.5px;font-weight:800;color:#FECDD3}
.is-again .qf-again{display:inline-flex}

/* Quiz */
.qf-q{font-family:Manrope,'Noto Sans Devanagari',sans-serif;font-size:clamp(22px,6.2vw,27px);line-height:1.28;font-weight:800;letter-spacing:-.015em;text-wrap:balance}
.qf-q [lang=hi]{font-family:'Noto Sans Devanagari',sans-serif;font-weight:700;line-height:1.45}
.qf-opts{display:flex;flex-direction:column;gap:9px}
.qf-opt{position:relative;display:flex;align-items:center;gap:12px;min-height:54px;padding:11px 14px;border-radius:16px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);text-align:left;font-size:16px;font-weight:600;line-height:1.35;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:transform .12s,background-color .2s,border-color .2s}
.qf-opt:active{transform:scale(.98)}
.qf-opt kbd{display:grid;place-items:center;width:30px;height:30px;flex-shrink:0;border-radius:10px;background:rgba(255,255,255,.14);font:800 13px Manrope,sans-serif}
.qf-opt em{margin-left:auto;font-style:normal;font-size:18px;font-weight:800}
.qf-opt:hover{background:rgba(255,255,255,.14)}
.answered .qf-opt{pointer-events:none}
.qf-opt.ok{background:rgba(34,197,94,.24);border-color:var(--ok)}
.qf-opt.ok kbd{background:var(--ok);color:#03210F}
.qf-opt.ok em:after{content:"✓";color:#86EFAC}
.qf-opt.bad{background:rgba(244,63,94,.22);border-color:var(--bad);animation:shake .35s}
.qf-opt.bad kbd{background:var(--bad)}
.qf-opt.bad em:after{content:"✕";color:#FDA4AF}
.answered .qf-opt:not(.ok):not(.bad){opacity:.55}
@keyframes shake{25%{transform:translateX(-6px)}50%{transform:translateX(5px)}75%{transform:translateX(-3px)}}
.qf-exp{padding:13px 15px;border-radius:16px;background:rgba(0,0,0,.32);border:1px solid var(--line);font-size:14.5px;line-height:1.55;color:#E5E7EB;animation:rise .3s ease}
.qf-exp b{display:block;margin-bottom:3px;font-family:Manrope,sans-serif;font-size:15px;font-weight:800}
.qf-exp.good b{color:#86EFAC}.qf-exp.miss b{color:#FDA4AF}
@keyframes rise{from{opacity:0;transform:translateY(8px)}}
.qf-hint{font-size:12.5px;color:var(--dim);font-weight:500}
.answered .qf-hint{display:none}
.qf-timer{display:none;position:relative;margin-left:auto;width:38px;height:38px;place-items:center}
.speed .k-quiz:not(.answered) .qf-timer{display:grid}
.qf-timer i{position:absolute;inset:0;border-radius:50%;background:conic-gradient(var(--gold) calc(var(--t,1)*360deg),rgba(255,255,255,.14) 0)}
.qf-timer i:after{content:"";position:absolute;inset:4px;border-radius:50%;background:#14152A}
.qf-timer b{position:relative;font:800 13px Manrope,sans-serif}
.qf-timer.low i{background:conic-gradient(var(--bad) calc(var(--t,1)*360deg),rgba(255,255,255,.14) 0)}

/* Flash card */
.qf-flip{position:relative;display:block;width:100%;min-height:300px;perspective:1200px;text-align:left}
.qf-face{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;gap:12px;padding:24px;border-radius:24px;backface-visibility:hidden;-webkit-backface-visibility:hidden;transition:transform .6s cubic-bezier(.3,.7,.2,1);border:1px solid rgba(255,255,255,.18)}
.qf-front{background:linear-gradient(160deg,rgba(255,255,255,.16),rgba(255,255,255,.05));backdrop-filter:blur(14px)}
.qf-front b{font-family:Manrope,'Noto Sans Devanagari',sans-serif;font-size:24px;line-height:1.3;font-weight:800}
.qf-front small{font-size:13px;color:var(--mute)}
.qf-back{transform:rotateY(180deg);background:linear-gradient(160deg,#FDE68A,#F59E0B);color:#1C1303}
.qf-back>span{display:flex;flex-direction:column;gap:8px}
.qf-back strong{font:800 19px/1.35 Manrope,'Noto Sans Devanagari',sans-serif;white-space:pre-wrap}
.qf-back small{margin-top:6px;font-size:14px;font-weight:600;color:#4A3305}
.flipped .qf-front{transform:rotateY(-180deg)}
.flipped .qf-back{transform:rotateY(0)}

/* Opportunity */
.qf-org{font-size:14px;font-weight:600;color:var(--mute)}
.qf-h{font-family:Manrope,sans-serif;font-size:clamp(21px,5.6vw,25px);line-height:1.28;font-weight:800;letter-spacing:-.015em}
.qf-facts{list-style:none;display:flex;flex-wrap:wrap;gap:7px}
.qf-facts li{display:inline-flex;align-items:center;gap:6px;max-width:100%;padding:7px 11px;border-radius:12px;background:rgba(0,0,0,.25);border:1px solid var(--line);font-size:13px;font-weight:600;color:#E5E7EB}
.qf-clock{display:flex;align-items:center;gap:14px;padding:14px;border-radius:20px;background:rgba(0,0,0,.3);border:1px solid var(--line)}
.qf-clock-n{display:grid;place-items:center;width:76px;height:76px;flex-shrink:0;border-radius:20px;background:linear-gradient(160deg,rgba(255,255,255,.18),rgba(255,255,255,.05));border:1px solid rgba(255,255,255,.2);text-align:center;line-height:1}
.qf-clock-n b{font:800 30px Manrope,sans-serif}
.qf-clock-n small{font-size:11px;font-weight:700;color:var(--mute)}
.qf-clock-t small{display:block;font-size:12px;color:var(--dim);font-weight:600}
.qf-clock-t b{display:block;font:800 18px Manrope,sans-serif}
.qf-clock-t span{display:block;margin-top:2px;font:700 13px 'DM Sans',sans-serif;color:#FDE68A;font-variant-numeric:tabular-nums}
.qf-clock.warm .qf-clock-n{background:linear-gradient(160deg,#FBBF24,#D97706);color:#1C1303}
.qf-clock.warm .qf-clock-n small{color:#3B2A06}
.qf-clock.hot .qf-clock-n{background:linear-gradient(160deg,#FB7185,#E11D48);animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(244,63,94,.18)}}
.qf-sum{font-size:15px;line-height:1.6;color:#E5E7EB}
.qf-cta{display:flex;flex-wrap:wrap;gap:8px}
.qf-cta-col{flex-direction:column;width:100%}
.qf-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:48px;padding:0 18px;border-radius:15px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);font:800 15px Manrope,sans-serif;color:#fff;backdrop-filter:blur(10px)}
.qf-btn-pri{background:#fff;border-color:#fff;color:#0B0C12}
.qf-cta .qf-btn-pri{flex:1}

/* Rail */
.qf-rail{position:absolute;right:10px;bottom:calc(28px + env(safe-area-inset-bottom));z-index:5;display:flex;flex-direction:column;gap:14px}
.qf-act{display:flex;flex-direction:column;align-items:center;gap:4px;width:54px;font-size:11px;font-weight:700;color:var(--mute)}
.qf-act svg,.qf-act b{display:grid;place-items:center;width:48px;height:48px;padding:12px;border-radius:50%;background:rgba(0,0,0,.35);border:1px solid var(--line);backdrop-filter:blur(10px);color:#fff;transition:transform .15s,background-color .2s}
.qf-act b{padding:0;font:800 15px 'Noto Sans Devanagari',Manrope,sans-serif}
.qf-act:active svg,.qf-act:active b{transform:scale(.9)}
.qf-act[aria-pressed=true] svg{background:var(--gold);color:#1C1303;fill:#1C1303;border-color:var(--gold)}
.qf-act.on svg{background:#818CF8;border-color:#818CF8}

/* End card */
.qf-end{align-items:center;text-align:center;padding-right:20px}
.qf-trophy{font-size:64px;filter:drop-shadow(0 10px 30px rgba(251,191,36,.5));animation:bob 2.4s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-8px)}}
.qf-end h2{font:800 28px Manrope,sans-serif}
.qf-end p{font-size:15px;color:var(--mute)}
.qf-end small{font-size:13px;color:var(--dim)}

/* Empty state */
.qf-empty{position:absolute;inset:var(--hud) 20px 0;z-index:4;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center}
.qf-empty[hidden]{display:none}
.qf-empty b{font:800 20px Manrope,sans-serif}
.qf-empty span{color:var(--mute);font-size:14px}

/* Effects */
.qf-burst{position:absolute;inset:0;z-index:40;pointer-events:none;display:grid;place-items:center}
.qf-burst.go:after{content:"🔖";font-size:96px;animation:pop .7s ease forwards}
@keyframes pop{0%{transform:scale(.2);opacity:0}30%{transform:scale(1.25);opacity:1}100%{transform:scale(1) translateY(-40px);opacity:0}}
.qf-confetti{position:absolute;inset:0;z-index:41;pointer-events:none;overflow:hidden}
.qf-confetti i{position:absolute;top:-12px;width:9px;height:14px;border-radius:2px;animation:fall 1.4s cubic-bezier(.2,.6,.4,1) forwards}
@keyframes fall{to{transform:translate(var(--dx),110vh) rotate(var(--rot));opacity:.9}}
.qf-combo{position:absolute;left:50%;top:42%;z-index:42;transform:translate(-50%,-50%);font:800 44px Manrope,sans-serif;color:#FDE68A;text-shadow:0 6px 30px rgba(251,191,36,.8);pointer-events:none;animation:combo 1s ease forwards}
@keyframes combo{0%{transform:translate(-50%,-30%) scale(.4);opacity:0}25%{transform:translate(-50%,-50%) scale(1.15);opacity:1}100%{transform:translate(-50%,-110%) scale(1);opacity:0}}
.qf-toast{position:absolute;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));z-index:45;transform:translate(-50%,20px);max-width:calc(100% - 40px);padding:11px 16px;border-radius:14px;background:rgba(255,255,255,.96);color:#0B0C12;font-size:14px;font-weight:700;box-shadow:0 18px 40px -16px rgba(0,0,0,.7);opacity:0;pointer-events:none;transition:.25s}
.qf-toast.show{opacity:1;transform:translate(-50%,0)}
.qf-xp{position:absolute;right:76px;top:calc(var(--hud) + 20px);z-index:42;font:800 20px Manrope,sans-serif;color:#FDE68A;pointer-events:none;animation:xpup 1s ease forwards}
@keyframes xpup{from{opacity:0;transform:translateY(10px)}25%{opacity:1}to{opacity:0;transform:translateY(-30px)}}

/* Sheets */
.qf-sheet{position:absolute;inset:0;z-index:60}
.qf-sheet[hidden]{display:none}
.qf-scrim{position:absolute;inset:0;background:rgba(0,0,0,.55)}
.qf-sheet-card{position:absolute;left:0;right:0;bottom:0;max-height:85%;overflow-y:auto;padding:10px 18px calc(22px + env(safe-area-inset-bottom));border-radius:26px 26px 0 0;background:#14151D;border-top:1px solid var(--line);animation:up .28s ease}
@keyframes up{from{transform:translateY(40px);opacity:0}}
.qf-grip{display:block;width:44px;height:5px;margin:2px auto 12px;border-radius:5px;background:rgba(255,255,255,.2)}
.qf-sheet h3{font:800 20px Manrope,sans-serif;margin-bottom:10px}
.qf-row{display:flex;align-items:center;gap:12px;padding:14px 0;border-top:1px solid var(--line);cursor:pointer}
.qf-row>span{flex:1;min-width:0}
.qf-row b{display:block;font-size:15.5px}
.qf-row small{display:block;font-size:13px;color:var(--mute);margin-top:2px}
.qf-row input{position:absolute;opacity:0;pointer-events:none}
.qf-row i{position:relative;width:48px;height:28px;flex-shrink:0;border-radius:99px;background:rgba(255,255,255,.18);transition:.2s}
.qf-row i:after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:.2s}
.qf-row input:checked+i{background:var(--em)}
.qf-row input:checked+i:after{transform:translateX(20px)}
.qf-row input:focus-visible+i{outline:2px solid #A5B4FC;outline-offset:2px}
.qf-seg{display:flex;padding:3px;border-radius:12px;background:rgba(255,255,255,.08)}
.qf-seg button{height:34px;padding:0 12px;border-radius:9px;font-size:14px;font-weight:700;color:var(--mute)}
.qf-seg button.on{background:#fff;color:#0B0C12}
.qf-keys{margin-top:10px;font-size:12.5px;color:var(--dim)}

/* Side panels (desktop) and stats */
.qf-brand{display:flex;align-items:center;gap:11px}
.qf-logo{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:linear-gradient(140deg,#818CF8,#EC4899 60%,#F59E0B);font:800 15px Manrope,sans-serif}
.qf-brand b{display:block;font:800 18px Manrope,sans-serif}
.qf-brand small{font-size:12.5px;color:var(--mute)}
.qf-goal-big{position:relative;display:grid;place-items:center;width:150px;height:150px;margin:6px auto}
.qf-goal-big.sm{width:130px;height:130px}
.qf-goal-big svg{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}
.qf-goal-big .trk,.qf-goal-big .val{stroke-width:9}
.qf-goal-big div{text-align:center}
.qf-goal-big b{display:block;font:800 28px Manrope,sans-serif}
.qf-goal-big small{font-size:12.5px;color:var(--mute)}
.qf-stats{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.qf-stats div{padding:12px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid var(--line)}
.qf-stats dt{font-size:12px;color:var(--mute);font-weight:600}
.qf-stats dd{margin-top:3px;font:800 19px Manrope,sans-serif}
.qf-level span{font-size:13px;font-weight:700}
.qf-level i{display:block;height:8px;margin:7px 0 5px;border-radius:9px;background:rgba(255,255,255,.1);overflow:hidden}
.qf-level em{display:block;height:100%;width:0;border-radius:9px;background:linear-gradient(90deg,#818CF8,#F472B6);transition:width .6s}
.qf-level small{font-size:12px;color:var(--dim)}
.qf-fine{font-size:12px;line-height:1.5;color:var(--dim);margin-top:auto}
.qf-right h3{font:800 17px Manrope,sans-serif}
.qf-why{list-style:none;display:flex;flex-direction:column;gap:12px}
.qf-why li{display:flex;flex-direction:column;gap:2px;padding:12px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
.qf-why b{font-size:14px}
.qf-why span{font-size:13px;color:var(--mute)}
.qf-keys-box{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--mute)}
.qf-keys-box b{color:var(--ink)}
kbd{display:inline-grid;place-items:center;min-width:22px;height:22px;padding:0 5px;margin:0 2px;border-radius:6px;background:rgba(255,255,255,.12);font:700 11px Manrope,sans-serif;color:#fff}
@media(min-width:1000px){.qf-stage .qf-pill{display:none}}
@media(max-width:360px){.qf-in{padding-right:68px;padding-left:16px}.qf-pill{gap:6px;padding:0 9px}}
@media(max-height:640px){.qf-q{font-size:21px}.qf-opt{min-height:46px;padding:8px 12px;font-size:15px}.qf-in{gap:10px}}

/* ---------- v2: icons, listen mode, coach ---------- */
.hp-i.up{transform:rotate(-90deg)}
.qf-pill span{display:inline-flex;align-items:center;gap:4px}
.qf-pill .hp-i{width:16px;height:16px}
.qf-pill .fl .hp-i{color:#FB923C}
.qf-pill .xp .hp-i{color:#FBBF24}
.qf-chips button{display:inline-flex;align-items:center;gap:6px}
.qf-chips .hp-i{width:15px;height:15px}
.qf-tag .hp-i,.qf-again .hp-i{width:14px;height:14px}
.qf-again{gap:5px}
.qf-facts .hp-i{width:15px;height:15px;color:#A7F3D0}
.k-admission .qf-facts .hp-i{color:#BAE6FD}
.qf-btn .hp-i{width:18px;height:18px}
.qf-back small{display:flex;align-items:flex-start;gap:6px}
.qf-back small .hp-i{margin-top:2px;width:16px;height:16px}
.qf-stats dt{display:flex;align-items:center;gap:5px}
.qf-stats dt .hp-i{width:14px;height:14px}
.qf-row b{display:flex;align-items:center;gap:7px}
.qf-row b .hp-i{width:18px;height:18px;color:#A5B4FC}
.qf-why b{display:flex;align-items:center;gap:6px}
.qf-why b .hp-i{width:16px;height:16px;color:#A5B4FC}

/* Speaking highlight (karaoke style) */
.qf-speak{position:relative;border-radius:12px;transition:background-color .25s,box-shadow .25s}
.qf-q.qf-speak{background:rgba(255,255,255,.06);box-shadow:0 0 0 6px rgba(255,255,255,.06)}
.qf-opt.qf-speak{border-color:#A5B4FC;background:rgba(129,140,248,.22);box-shadow:0 0 0 3px rgba(129,140,248,.25)}
.qf-exp.qf-speak,.qf-face.qf-speak,.qf-h.qf-speak{box-shadow:0 0 0 3px rgba(129,140,248,.35)}

/* Listen button: animated equaliser while speaking */
.qf-act[data-act=listen]{position:relative}
.qf-eq{position:absolute;top:13px;left:50%;transform:translateX(-50%);display:none;gap:3px;align-items:flex-end;height:22px;pointer-events:none}
.qf-eq i{width:4px;border-radius:3px;background:#fff;animation:eq .9s ease-in-out infinite}
.qf-eq i:nth-child(2){animation-delay:-.3s}.qf-eq i:nth-child(3){animation-delay:-.6s}.qf-eq i:nth-child(4){animation-delay:-.15s}
@keyframes eq{0%,100%{height:5px}50%{height:20px}}
.is-speaking .qf-act[data-act=listen] svg{color:transparent;background:#818CF8;border-color:#818CF8}
.is-speaking .qf-act[data-act=listen] .qf-eq{display:flex}

/* Listen "think time" ring */
.qf-think{display:none;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#C7D2FE}
.qf-think i{position:relative;width:22px;height:22px;border-radius:50%;background:conic-gradient(#A5B4FC calc(var(--t,1)*360deg),rgba(255,255,255,.15) 0)}
.qf-think i:after{content:"";position:absolute;inset:4px;border-radius:50%;background:#1A1838}
.thinking .qf-think{display:flex}
.thinking .qf-hint{display:none}

/* Listen mini player */
.qf-player{position:absolute;left:12px;right:12px;bottom:calc(14px + env(safe-area-inset-bottom));z-index:35;display:none;align-items:center;gap:10px;padding:8px 8px 8px 14px;border-radius:18px;background:rgba(20,21,32,.92);border:1px solid rgba(165,180,252,.3);backdrop-filter:blur(14px);box-shadow:0 18px 40px -18px rgba(0,0,0,.8)}
.listening .qf-player{display:flex}
.listening .qf-rail{bottom:calc(84px + env(safe-area-inset-bottom))}
.qf-player .qf-eq{position:static;transform:none;display:flex;height:18px}
.qf-player .qf-eq i{background:#A5B4FC}
.qf-player:not(.live) .qf-eq i{animation-play-state:paused;height:6px}
.qf-player-t{flex:1;min-width:0}
.qf-player-t b{display:block;font-size:13.5px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.qf-player-t small{display:block;font-size:12px;color:var(--mute)}
.qf-player button{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.1)}
.qf-player button .hp-i,.qf-player button svg{width:18px;height:18px}
.qf-player [data-player=stop]{background:rgba(244,63,94,.18);color:#FDA4AF}

/* Coach (first visit) */
.qf-coach{position:absolute;inset:0;z-index:70;display:grid;place-items:end center;padding:16px;background:rgba(5,6,10,.72);backdrop-filter:blur(4px)}
.qf-coach[hidden]{display:none}
.qf-coach-card{width:100%;max-width:400px;padding:22px 20px calc(20px + env(safe-area-inset-bottom));border-radius:26px;background:#14151D;border:1px solid var(--line);animation:up .35s ease}
.qf-coach-hand{display:grid;place-items:center;width:52px;height:52px;margin:-48px auto 10px;border-radius:50%;background:linear-gradient(140deg,#818CF8,#EC4899);box-shadow:0 12px 30px -8px rgba(236,72,153,.7);animation:nudge 1.4s ease-in-out infinite}
.qf-coach-hand .hp-i{width:26px;height:26px;color:#fff}
@keyframes nudge{50%{transform:translateY(-8px)}}
.qf-coach h3{text-align:center;font:800 21px Manrope,sans-serif;margin-bottom:12px}
.qf-coach ul{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.qf-coach li{display:flex;align-items:center;gap:12px;font-size:14.5px;color:var(--mute)}
.qf-coach li b{color:var(--ink)}
.qf-coach li .hp-i{width:34px;height:34px;padding:8px;border-radius:11px;background:rgba(255,255,255,.08);color:#C7D2FE;flex-shrink:0}
.qf-coach .qf-btn{width:100%}

.qf-player svg[hidden]{display:none!important}