/* NextBand English: exam interfaces (IELTS computer style and PTE style) */
.xroot{position:fixed;inset:0;z-index:300;background:#fff;display:flex;flex-direction:column;font-family:Arial,Helvetica,sans-serif;color:#111;font-size:15px}
.xroot *{box-sizing:border-box}
.xroot button{font-family:inherit}
body.x-open{overflow:hidden}

/* ---------- IELTS top bar ---------- */
.i-top{flex:0 0 auto;display:flex;align-items:center;gap:16px;background:#1b1b1b;color:#fff;padding:0 16px;height:52px}
.i-top .cand{font-size:13px;color:#d4d4d4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.i-top .timer{margin:0 auto;font-weight:700;font-size:16px;display:flex;align-items:center;gap:8px;white-space:nowrap}
.i-top .timer.warn{animation:flash 1s steps(2) infinite}
@keyframes flash{50%{color:#fbbf24}}
.i-top .tools{display:flex;gap:10px;align-items:center}
.i-top .vol{display:flex;align-items:center;gap:6px;font-size:12px;color:#d4d4d4}
.i-top .vol input{width:90px;accent-color:#fbbf24}
.i-top .tbtn{background:#333;color:#fff;border:1px solid #555;border-radius:4px;padding:6px 10px;font-size:13px;cursor:pointer}
.i-top .tbtn:hover{background:#444}
.i-top .tbtn.primary{background:#1e40af;border-color:#1e40af}
@media (max-width:700px){.i-top .cand{display:none}.i-top .vol span{display:none}.i-top .vol input{width:60px}}

.i-partbar{flex:0 0 auto;background:#e8e8e8;border-bottom:1px solid #cfcfcf;padding:10px 18px}
.i-partbar b{display:block;font-size:15px}
.i-partbar span{font-size:13px;color:#333}

.i-main{flex:1 1 auto;overflow:hidden;display:flex;min-height:0}
.i-single{flex:1;overflow:auto;padding:22px 26px 40px}
.i-split{flex:1;display:grid;grid-template-columns:1fr 1fr;min-height:0}
.i-split > div{overflow:auto;padding:22px 26px 40px;min-height:0}
.i-split > div:first-child{border-inline-end:3px solid #d6d6d6;background:#fcfcfc}
@media (max-width:820px){.i-split{grid-template-columns:1fr;grid-template-rows:1fr 1fr}.i-split > div:first-child{border-inline-end:0;border-bottom:3px solid #d6d6d6}}

.passage h3{font-size:20px;margin:0 0 6px}
.passage .psub{color:#555;font-style:italic;margin:0 0 14px}
.passage p{line-height:1.7;margin:0 0 14px}
.passage p b.pl{display:inline-block;min-width:22px;font-weight:700}
.passage mark{background:#fde68a;cursor:pointer;padding:0}
.hl-pop{position:fixed;z-index:400;background:#111;color:#fff;border:0;border-radius:6px;padding:7px 12px;font-size:13px;cursor:pointer;box-shadow:0 6px 16px rgba(0,0,0,.25)}

.qgroup{margin:0 0 26px}
.qgroup .qhead{font-weight:700;margin:0 0 4px}
.qgroup .qinst{margin:0 0 12px;color:#222}
.qgroup .qinst em{font-style:normal;font-weight:700}
.qbox{border:1px solid #d4d4d4;border-radius:4px;padding:14px 16px;margin-bottom:12px;background:#fff}
.qbox .opts-list{margin:0 0 12px;padding-inline-start:0;list-style:none}
.qbox .opts-list li{margin-bottom:4px}
.qitem{display:flex;gap:10px;align-items:flex-start;margin:0 0 12px;padding:6px;border-radius:4px;scroll-margin-top:12px}
.qitem.current{background:#eef4ff;outline:2px solid #93b4ff}
.qnum{flex:0 0 auto;min-width:28px;height:26px;border:1.5px solid #111;border-radius:3px;display:inline-grid;place-items:center;font-weight:700;font-size:13px;padding:0 4px}
.qitem .qbody{flex:1;min-width:0}
.qitem .qtext{margin:2px 0 8px;line-height:1.5}
.qitem label.opt{display:flex;gap:8px;align-items:flex-start;margin:0 0 6px;font-weight:400;cursor:pointer}
.qitem label.opt input{margin-top:3px;width:auto}
.qitem select{padding:5px 8px;border:1.5px solid #888;border-radius:3px;font-size:14px;min-width:120px;max-width:100%}
.gap-in{display:inline-block;width:170px;max-width:100%;padding:4px 8px;border:1.5px solid #888;border-radius:3px;font-size:14px;font-family:inherit;margin:0 4px}
.gap-in:focus,.qitem select:focus{outline:none;border-color:#1e40af;box-shadow:0 0 0 2px rgba(30,64,175,.2)}
.notes{border:1px solid #cfcfcf;border-radius:4px;padding:16px 18px;background:#fff}
.notes h4{margin:0 0 10px;text-align:center}
.notes .nline{margin:0 0 10px;line-height:2}
.notes .nhead{font-weight:700;margin:14px 0 6px}

/* bottom navigation */
.i-nav{flex:0 0 auto;display:flex;align-items:center;gap:10px;background:#f2f2f2;border-top:1px solid #cfcfcf;padding:8px 12px;min-height:58px;overflow-x:auto}
.i-nav .rev{display:flex;align-items:center;gap:6px;font-size:13px;white-space:nowrap;cursor:pointer}
.i-nav .rev input{width:auto}
.i-parts{display:flex;gap:8px;flex:1;min-width:0;overflow-x:auto}
.i-part{display:flex;align-items:center;gap:6px;border:1px solid #cfcfcf;background:#fff;border-radius:4px;padding:5px 8px;white-space:nowrap}
.i-part > b{font-size:13px;cursor:pointer;padding-inline-end:4px}
.i-part.active{border-color:#1e40af;box-shadow:inset 0 -3px 0 #1e40af}
.i-part .cnt{font-size:12px;color:#555}
.qn{width:26px;height:26px;border:1px solid #9a9a9a;background:#fff;border-radius:3px;font-size:12px;cursor:pointer;padding:0;position:relative}
.qn.ans{background:#1b1b1b;color:#fff;border-color:#1b1b1b}
.qn.cur{outline:2px solid #1e40af;outline-offset:1px}
.qn.flag{border-radius:50%}
.i-arrows{display:flex;gap:6px}
.i-arrows button{width:40px;height:40px;border:0;border-radius:4px;background:#1b1b1b;color:#fff;font-size:18px;cursor:pointer}
.i-arrows button:disabled{background:#b5b5b5;cursor:default}
.i-nav .submit{background:#1e40af;color:#fff;border:0;border-radius:4px;padding:10px 16px;font-weight:700;cursor:pointer;white-space:nowrap}

/* writing */
.w-prompt .taskbox{border:1px solid #cfcfcf;padding:16px;border-radius:4px;background:#fff;line-height:1.6}
.w-prompt .taskbox p{margin:0 0 10px}
.w-prompt .chart{margin-top:14px;background:#fff;border:1px solid #e5e5e5;border-radius:4px;padding:8px}
.w-area{display:flex;flex-direction:column;height:100%}
.w-area textarea{flex:1;min-height:260px;width:100%;border:1.5px solid #9a9a9a;border-radius:3px;padding:12px;font:16px/1.6 Arial,Helvetica,sans-serif;resize:none}
.w-area textarea:focus{outline:none;border-color:#1e40af}
.w-count{font-size:13px;color:#333;margin-top:8px}

/* speaking and audio status */
.panel{max-width:760px;margin:0 auto}
.panel h2{font-size:22px;margin:0 0 10px}
.panel p{line-height:1.6}
.card-x{border:1px solid #d4d4d4;border-radius:8px;padding:20px 22px;background:#fff;margin:16px 0}
.cue{border:2px solid #111;border-radius:6px;padding:18px 22px;background:#fffdf5}
.cue h3{margin:0 0 10px;font-size:18px}
.cue ul{margin:6px 0 10px}
.examiner{display:flex;gap:14px;align-items:flex-start}
.examiner .face{flex:0 0 52px;height:52px;border-radius:50%;background:#e8eefc;display:grid;place-items:center}
.examiner .say{font-size:18px;line-height:1.5}
.recbar{display:flex;align-items:center;gap:12px;margin-top:16px;flex-wrap:wrap}
.recdot{width:14px;height:14px;border-radius:50%;background:#b91c1c;animation:flash 1s steps(2) infinite}
.recdot.off{background:#9ca3af;animation:none}
.prog{flex:1;min-width:160px;height:10px;background:#e5e7eb;border-radius:6px;overflow:hidden}
.prog i{display:block;height:100%;width:0;background:#1e40af;transition:width .25s linear}
.meter{height:16px;background:#e5e7eb;border-radius:8px;overflow:hidden;margin:10px 0}
.meter i{display:block;height:100%;width:0;background:linear-gradient(90deg,#16a34a,#facc15,#dc2626);transition:width .08s}
.xbtn{background:#1e40af;color:#fff;border:0;border-radius:6px;padding:12px 20px;font-weight:700;font-size:15px;cursor:pointer}
.xbtn.alt{background:#fff;color:#1e40af;border:1.5px solid #1e40af}
.xbtn.gray{background:#e5e7eb;color:#111}
.xbtn:disabled{background:#cbd5e1;color:#475569;cursor:default;border-color:#cbd5e1}
.row-btns{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.muted{color:#555}
.warnbox{background:#fff7ed;border:1px solid #fdba74;color:#7c2d12;border-radius:6px;padding:12px 14px;margin:12px 0}
.okbox{background:#ecfdf5;border:1px solid #86efac;color:#14532d;border-radius:6px;padding:12px 14px;margin:12px 0}

/* ---------- PTE ---------- */
.p-top{flex:0 0 auto;display:flex;align-items:center;gap:14px;background:#2d3e50;color:#fff;padding:0 18px;height:50px}
.p-top .brand{font-weight:700;font-size:14px;white-space:nowrap}
.p-top .count{margin-inline-start:auto;font-size:14px;white-space:nowrap}
.p-top .ptime{background:#fff;color:#2d3e50;border-radius:4px;padding:4px 10px;font-weight:700;font-size:14px;white-space:nowrap}
.p-top .ptime.warn{animation:flash 1s steps(2) infinite}
.p-sub{flex:0 0 auto;background:#e9eef3;border-bottom:1px solid #cbd5e1;padding:10px 18px;font-size:14px;color:#1f2937}
.p-body{flex:1;overflow:auto;padding:24px 28px 40px}
.p-inst{font-style:italic;color:#333;margin:0 0 18px;line-height:1.5}
.p-foot{flex:0 0 auto;display:flex;justify-content:space-between;align-items:center;gap:10px;background:#e9eef3;border-top:1px solid #cbd5e1;padding:10px 18px}
.p-next{background:#2d3e50;color:#fff;border:0;border-radius:4px;padding:10px 26px;font-weight:700;cursor:pointer}
.p-status{border:1px solid #cbd5e1;border-radius:6px;padding:14px 16px;max-width:520px;margin:0 0 18px;background:#fff}
.p-status .lab{font-size:13px;color:#475569;margin-bottom:6px}
.p-status .st{font-weight:700;margin-bottom:8px}
.p-text{line-height:1.8;font-size:16px;max-width:900px}
.p-text .blank-sel{padding:3px 6px;border:1.5px solid #64748b;border-radius:3px;font-size:15px;margin:0 3px}
.p-text .drop{display:inline-block;min-width:110px;min-height:28px;border:1.5px dashed #64748b;border-radius:4px;padding:1px 8px;margin:0 3px;vertical-align:middle;background:#f8fafc;cursor:pointer;line-height:24px}
.p-text .drop.filled{border-style:solid;background:#e0e7ff}
.p-text .drop.target{outline:2px solid #2563eb}
.wordbank{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;padding:14px;border:1px solid #cbd5e1;border-radius:6px;background:#fff}
.chip{background:#fff;border:1.5px solid #2d3e50;border-radius:4px;padding:5px 12px;cursor:grab;font-size:15px}
.chip.sel{background:#2d3e50;color:#fff}
.chip.used{opacity:.35}
.ro{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:start}
@media (max-width:760px){.ro{grid-template-columns:1fr}}
.ro h4{margin:0 0 8px;font-size:14px}
.ro-list{min-height:120px;border:1px solid #cbd5e1;border-radius:6px;padding:8px;background:#fff}
.ro-item{border:1.5px solid #94a3b8;border-radius:4px;padding:10px 12px;margin-bottom:8px;background:#f8fafc;cursor:grab;line-height:1.5;display:flex;gap:10px}
.ro-item.sel{border-color:#2563eb;background:#eef4ff}
.ro-item .lt{font-weight:700;color:#2d3e50}
.ro-ctrl{display:flex;flex-direction:column;gap:8px;justify-content:center;padding-top:30px}
.ro-ctrl button{border:1px solid #2d3e50;background:#fff;border-radius:4px;padding:8px 10px;cursor:pointer;font-size:14px}
.hiw span.w{cursor:pointer;padding:1px 2px;border-radius:3px}
.hiw span.w:hover{background:#fef3c7}
.hiw span.w.on{background:#facc15}
.p-write textarea{width:100%;min-height:220px;border:1.5px solid #94a3b8;border-radius:4px;padding:12px;font:16px/1.6 Arial,Helvetica,sans-serif}
.p-write textarea:focus{outline:none;border-color:#2563eb}
.p-q{font-weight:700;margin:16px 0 10px}
.p-opts label{display:flex;gap:10px;align-items:flex-start;margin-bottom:10px;cursor:pointer;line-height:1.5}
.p-opts input{margin-top:4px;width:auto}
.p-img{max-width:620px;border:1px solid #cbd5e1;border-radius:6px;padding:8px;background:#fff;margin-bottom:16px}
.p-cols{display:grid;grid-template-columns:1.2fr 1fr;gap:26px}
@media (max-width:860px){.p-cols{grid-template-columns:1fr}}

/* dialogs and end screens */
.xmodal{position:fixed;inset:0;background:rgba(15,23,42,.55);display:grid;place-items:center;z-index:500;padding:16px}
.xmodal .box{background:#fff;border-radius:10px;padding:24px;max-width:460px;width:100%;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.xmodal h3{margin:0 0 8px}
.center-screen{flex:1;overflow:auto;display:flex;align-items:flex-start;justify-content:center;padding:40px 20px}
.center-screen .panel{width:100%}
.spinner{width:34px;height:34px;border:4px solid #e5e7eb;border-top-color:#1e40af;border-radius:50%;animation:spin 1s linear infinite;margin:10px 0}
@keyframes spin{to{transform:rotate(360deg)}}
.x-list{padding-inline-start:20px;line-height:1.7}

/* setup forms on practice and diagnostic pages */
.setup{background:#fff;border:1px solid var(--line,#e2e8f0);border-radius:18px;padding:26px;box-shadow:0 10px 30px rgba(15,23,42,.06)}
.pick-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin:8px 0 18px}
.pick{position:relative}
.pick input{position:absolute;opacity:0;pointer-events:none}
.pick span{display:block;border:1.5px solid #e2e8f0;border-radius:12px;padding:12px 14px;cursor:pointer;font-weight:600;background:#fff;transition:border-color .15s,background .15s;height:100%}
.pick span small{display:block;font-weight:500;color:#64748b;font-size:.82rem;margin-top:2px}
.pick input:checked + span{border-color:#1e40af;background:#e8eefc}
.pick input:focus-visible + span{box-shadow:0 0 0 3px rgba(37,99,235,.25)}
.step-label{font-weight:800;font-size:.95rem;margin:6px 0 2px;color:#0f172a}
.info-list{list-style:none;padding:0;margin:0}
.info-list li{padding:8px 0;border-bottom:1px solid #e2e8f0;display:flex;justify-content:space-between;gap:12px}
.info-list li span:last-child{font-weight:700;text-align:end}
.i-part:not(.active) .qn{display:none}

/* ---------- v2: locked parts, speaking record button, topic cards, phone layout ---------- */
.i-part.locked{opacity:.45}
.i-part.locked b{cursor:default}
.qn:disabled{cursor:default}
.pstatus{margin-inline-start:10px;font-weight:700;color:#1e40af}
.q-alert{display:inline-flex;align-items:center;gap:8px;background:#fef3c7;color:#92400e;border:1px solid #fcd34d;border-radius:999px;padding:6px 14px;font-weight:700;font-size:14px;animation:alertIn .5s ease, alertPulse 1.2s ease 2}
.q-alert .bell{display:inline-block;animation:ring 1s ease 2}
@keyframes alertIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
@keyframes alertPulse{50%{box-shadow:0 0 0 8px rgba(252,211,77,.35)}}
@keyframes ring{0%,100%{transform:rotate(0)}20%{transform:rotate(18deg)}40%{transform:rotate(-14deg)}60%{transform:rotate(10deg)}80%{transform:rotate(-6deg)}}
.recpanel{display:flex;align-items:center;gap:16px;margin-top:18px}
.recbtn{flex:0 0 auto;width:72px;height:72px;border-radius:50%;border:4px solid #fecaca;background:#dc2626;cursor:pointer;display:grid;place-items:center;box-shadow:0 6px 18px rgba(220,38,38,.3);transition:transform .15s}
.recbtn span{width:26px;height:26px;border-radius:50%;background:#fff;transition:all .2s}
.recbtn.on{animation:recPulse 1.4s ease infinite}
.recbtn.on span{border-radius:5px;width:24px;height:24px}
.recbtn:disabled{background:#cbd5e1;border-color:#e5e7eb;box-shadow:none;cursor:default}
@keyframes recPulse{50%{box-shadow:0 0 0 12px rgba(220,38,38,.18)}}
.recinfo{flex:1;min-width:0}
.rst{font-weight:700;margin-bottom:8px}
.notes-ta{width:100%;min-height:110px;border:1.5px solid #9a9a9a;border-radius:6px;padding:10px;font:15px Arial,Helvetica,sans-serif}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px;perspective:1000px}
@media (max-width:640px){.cards{grid-template-columns:1fr}}
.flip{border:0;background:none;padding:0;cursor:pointer;height:170px;font:inherit;text-align:center;transition:opacity .4s,transform .4s}
.flip .inner{position:relative;display:block;width:100%;height:100%;transition:transform .7s;transform-style:preserve-3d}
.flip.turned .inner{transform:rotateY(180deg)}
.flip .front,.flip .back{position:absolute;inset:0;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:14px;backface-visibility:hidden;-webkit-backface-visibility:hidden}
.flip .front{background:repeating-linear-gradient(45deg,#1e40af,#1e40af 12px,#2350c9 12px,#2350c9 24px);color:#fff;box-shadow:0 8px 20px rgba(30,64,175,.25)}
.flip .front small{opacity:.85;margin-top:6px}
.flip .back{background:#fffdf5;border:2px solid #111;transform:rotateY(180deg);font-size:15px}
.flip.gone{opacity:.25;transform:scale(.95)}
.flip:disabled{cursor:default}
@media (max-width:640px){.flip{height:120px}}

/* phone layout for exam screens */
@media (max-width:700px){
  .xroot{font-size:15px}
  .i-top{height:auto;min-height:48px;padding:6px 10px;gap:8px;flex-wrap:wrap}
  .i-top .timer{font-size:15px}
  .i-top .tbtn{padding:5px 8px;font-size:12px}
  .i-partbar{padding:8px 12px}
  .i-single,.i-split > div{padding:16px 14px 30px}
  .i-nav{gap:6px;padding:6px 8px;min-height:54px}
  .i-nav .rev{font-size:12px}
  .i-part{padding:4px 6px}
  .i-part:not(.active) .cnt{display:none}
  .qn{width:30px;height:30px}
  .i-arrows button{width:38px;height:38px}
  .i-nav .submit{padding:10px 12px;font-size:14px}
  .gap-in{width:140px}
  .w-area textarea{min-height:200px}
  .p-top{height:auto;min-height:46px;padding:6px 12px;flex-wrap:wrap;gap:8px}
  .p-top .brand{font-size:12px}
  .p-body{padding:16px 14px 30px}
  .p-foot{padding:8px 12px}
  .center-screen{padding:20px 14px}
  .panel h2{font-size:20px}
  .examiner .say{font-size:17px}
  .recbtn{width:64px;height:64px}
}
.xhost{display:flex;flex-direction:column;flex:1;min-height:0}
.flip:disabled{opacity:1;color:#111}
.flip.gone:disabled{opacity:.25}
.flip .back b{color:#111}
@media (max-width:760px){.ro-ctrl{flex-direction:row;justify-content:center;padding-top:0}.ro-ctrl button{min-width:52px}}