.app-shell{display:flex;flex-direction:column;min-height:100vh}
.app-header{position:sticky;top:0;z-index:100;background:var(--white)}
.app-header .topbar{position:static}

.app-header .topbar{flex-wrap:wrap;row-gap:.5rem}
.topbar-left{display:flex;align-items:center;flex-wrap:wrap;gap:.5rem 1.5rem}
.topbar-brand{white-space:nowrap;flex-shrink:0}
.nav-bar-inline{display:flex;flex-wrap:wrap;gap:.25rem}
.topbar-right{flex-shrink:0}
.nav-item{background:transparent;border:none;padding:.5rem .75rem;font-family:var(--font-main);font-size:.8rem;font-weight:600;color:var(--gray6);cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap;transition:all .15s}
.nav-item:hover{color:var(--navy)}
.nav-item.active{color:var(--navy);border-bottom-color:var(--blue)}

.app-main{flex:1;background:var(--gray2)}
.app-main .screen{display:none;min-height:0}
.app-main .screen.active{display:block}

.dash-body{padding:1.5rem 2rem;display:flex;flex-direction:column;gap:1.5rem}

.exam-header{background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--gray3);padding:1.1rem 1.5rem;display:flex;align-items:center;justify-content:space-between}
.exam-header-label{font-size:.7rem;font-weight:600;color:var(--gray5);letter-spacing:.08em}
.exam-header-date{font-family:var(--font-mono);font-size:1.05rem;color:var(--navy);font-weight:600}
.exam-countdown{font-family:var(--font-mono);font-size:1.6rem;font-weight:700;color:var(--orange)}

.score-hero{background:var(--navy);border-radius:var(--radius-xl);padding:1.75rem 2rem;display:flex;justify-content:space-around;align-items:center}
.score-block{text-align:center}
.score-label{font-size:.7rem;color:rgba(255,255,255,.5);letter-spacing:.08em;margin-bottom:.4rem}
.score-val{font-family:var(--font-display);font-size:2.5rem;color:var(--white)}
.score-val-muted{color:rgba(255,255,255,.6)}
#gap-overall.gap-positive{color:#6EE7B7}
#gap-overall:not(.gap-positive){color:#FCA5A5}

.dash-grid{display:grid;grid-template-columns:1fr 340px;gap:1.5rem;align-items:start}
.panel-header-text{font-weight:600;color:var(--navy);font-size:.95rem;margin-bottom:.85rem}

.skill-bands-panel{padding:1rem 1.25rem}
.skill-bands-panel .skill-cards{margin-top:.4rem}
.skill-cards{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
.skill-card{background:var(--gray1);border-radius:var(--radius-lg);border:1px solid var(--gray3);padding:.9rem 1rem}
.skill-card-name{font-family:var(--font-display);font-size:1.1rem;color:var(--navy);display:flex;align-items:center;justify-content:space-between;gap:.5rem}
.skill-gap{font-family:var(--font-mono);font-size:.72rem;font-weight:600;color:var(--red)}
.skill-gap.gap-positive{color:var(--green)}
.skill-card-scores{font-family:var(--font-mono);color:var(--orange);font-weight:600;margin-top:.3rem;font-size:.9rem}
.skill-target{color:var(--gray5);font-weight:500}
.skill-card .progress-bar{margin-top:.5rem}

.dash-main .side-panel + .side-panel{margin-top:1rem}
.dash-side{display:flex;flex-direction:column;gap:1.25rem}
.side-panel{background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--gray3);padding:1.25rem}
.weakness-panel{padding:1rem 1.25rem}
.weakness-label{font-size:.7rem;font-weight:600;color:var(--gray5);letter-spacing:.08em;margin-bottom:.5rem}
.weakness-skill{font-family:var(--font-display);font-size:1.1rem;color:var(--navy)}
.weakness-scores{font-family:var(--font-mono);color:var(--orange);font-weight:600;margin-top:.3rem;font-size:.9rem}
.weakness-empty,.plan-empty{font-size:.85rem;color:var(--gray6);line-height:1.5}

.plan-item{display:flex;align-items:center;gap:.75rem;padding:.6rem 0;border-bottom:1px solid var(--gray2)}
.plan-item:last-child{border-bottom:none}
.plan-num{font-family:var(--font-mono);font-size:.75rem;color:var(--gray4);font-weight:700}
.plan-body{flex:1;min-width:0}
.plan-skill{font-size:.85rem;font-weight:600;color:var(--navy)}
.plan-tag{background:var(--red-light);color:var(--red);font-size:.65rem;padding:.1rem .4rem;border-radius:8px;font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.plan-note{font-size:.75rem;color:var(--gray5);margin-top:.15rem}
.btn-plan-start{padding:.4rem .8rem;background:var(--navy);color:var(--white);border:none;border-radius:var(--radius);font-size:.72rem;font-weight:600;cursor:pointer;font-family:var(--font-main)}

/* PRACTICE HUB */
.practice-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;margin-top:.5rem}
.practice-card{background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--gray3);padding:1.5rem;display:flex;flex-direction:column;gap:.5rem}
.practice-icon{font-size:1.75rem}
.practice-name{font-family:var(--font-display);font-size:1.2rem;color:var(--navy)}
.practice-desc{font-size:.85rem;color:var(--gray6);line-height:1.5;flex:1}
.practice-actions{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.5rem}
.practice-soon{font-size:.78rem;color:var(--gray5);font-weight:600;background:var(--gray2);padding:.4rem .8rem;border-radius:var(--radius)}

/* SKILL EXAM SHELL (Reading / Listening) */
.skill-exam-topbar{background:var(--navy);color:var(--white);padding:.85rem 1.5rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem}
.skill-exam-title{font-family:var(--font-display);font-size:1.2rem;display:flex;align-items:center;gap:.6rem}
.skill-exam-mode{font-size:.7rem;font-weight:600;padding:.2rem .6rem;border-radius:12px;text-transform:uppercase;letter-spacing:.04em;font-family:var(--font-main)}
.skill-exam-mode.mode-practice{background:rgba(59,130,246,.25);color:#93C5FD}
.skill-exam-mode.mode-exam{background:rgba(239,68,68,.25);color:#FCA5A5}
.skill-exam-actions{display:flex;gap:.6rem}
.btn-exam-exit{padding:.5rem 1rem;background:transparent;border:1.5px solid rgba(255,255,255,.3);color:rgba(255,255,255,.85);border-radius:var(--radius);font-size:.82rem;cursor:pointer;font-family:var(--font-main)}
.btn-exam-exit:hover{background:rgba(255,255,255,.08)}
.btn-exam-submit{padding:.5rem 1.1rem;background:var(--blue);color:var(--white);border:none;border-radius:var(--radius);font-size:.82rem;font-weight:600;cursor:pointer;font-family:var(--font-main)}
.btn-exam-submit:hover{background:var(--blue2)}

.reading-tracker{display:flex;flex-wrap:wrap;gap:5px;padding:.75rem 1.5rem;background:var(--gray1);border-bottom:1px solid var(--gray3)}
.tracker-btn{width:28px;height:28px;border-radius:5px;border:none;font-size:.72rem;font-weight:600;cursor:pointer;font-family:var(--font-mono);transition:all .15s}
.tracker-btn.answered{background:var(--green);color:var(--white)}
.tracker-btn.unanswered{background:var(--gray3);color:var(--gray6)}
.tracker-btn.flagged-tracker{outline:2px solid var(--orange);outline-offset:1px}

.reading-body{display:grid;grid-template-columns:1fr 1fr;gap:0;height:calc(100vh - 168px)}
.reading-passage-col{overflow-y:auto;padding:1.5rem;border-right:1px solid var(--gray3);background:var(--white)}
.reading-questions-col{overflow-y:auto;padding:1.5rem;background:var(--gray2)}
.passage-tabs{display:flex;gap:.4rem;margin-bottom:1rem}
.passage-tab{padding:.4rem .9rem;background:var(--gray1);border:1px solid var(--gray3);border-radius:var(--radius);font-size:.8rem;font-weight:600;color:var(--gray6);cursor:pointer;font-family:var(--font-main)}
.passage-tab.active{background:var(--navy);color:var(--white);border-color:var(--navy)}
.passage-title{font-family:var(--font-display);font-size:1.3rem;color:var(--navy);margin-bottom:1rem}
.passage-text p{margin-bottom:1rem;font-size:.9rem;line-height:1.7;color:var(--gray8)}

.audio-context-desc{font-size:.85rem;color:var(--gray6);line-height:1.5;margin-bottom:1rem}
.audio-panel{background:var(--gray1);border:1px solid var(--gray3);border-radius:var(--radius-lg);padding:1.1rem}
.audio-controls{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}
.audio-status{font-size:.78rem;color:var(--gray5);margin-top:.6rem}
.tts-fallback{background:var(--blue-light);color:var(--blue2);border-radius:var(--radius);padding:.7rem .9rem;font-size:.82rem;margin-bottom:1rem}
.transcript-details{margin-bottom:.6rem;font-size:.85rem}
.transcript-details summary{cursor:pointer;font-weight:600;color:var(--navy);padding:.3rem 0}
.transcript-details p{color:var(--gray7);line-height:1.6;margin-top:.5rem}

.question-card{background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--gray3);padding:1.1rem;margin-bottom:1rem}
.q-number{display:flex;align-items:center;justify-content:space-between;font-size:.75rem;font-weight:600;color:var(--gray5);margin-bottom:.5rem;font-family:var(--font-mono)}
.flag-btn{background:transparent;border:none;cursor:pointer;font-size:.9rem;opacity:.35;filter:grayscale(1)}
.flag-btn.flagged{opacity:1;filter:none}
.q-text{font-size:.88rem;color:var(--gray8);margin-bottom:.85rem;line-height:1.55}
.reading-text-input{width:100%;padding:.55rem .8rem;border:1.5px solid var(--gray3);border-radius:var(--radius);font-family:var(--font-main);font-size:.88rem}
.reading-text-input:focus{border-color:var(--blue);outline:none}
.options{display:flex;flex-direction:column;gap:.45rem}
.option-label{display:flex;align-items:flex-start;gap:.6rem;padding:.55rem .8rem;border-radius:var(--radius);border:1.5px solid var(--gray3);cursor:pointer;font-size:.85rem;transition:all .15s}
.option-label:hover{border-color:var(--blue);background:var(--blue-light)}
.option-label.selected{border-color:var(--blue);background:var(--blue-light)}
.option-label input{margin-top:2px;accent-color:var(--blue)}
.btn-guidance{margin-top:.75rem;padding:.4rem .8rem;background:transparent;border:1.5px solid var(--gray3);border-radius:var(--radius);font-size:.78rem;cursor:pointer;color:var(--gray7);font-family:var(--font-main)}
.guidance-box{background:#F0F9FF;border:1px solid #BAE6FD;border-radius:var(--radius);padding:.65rem .85rem;margin-top:.6rem;font-size:.82rem;color:#0369A1}

/* OVERLAYS */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);display:none;align-items:center;justify-content:center;z-index:1000}
.overlay.active{display:flex}
.overlay-card{background:var(--white);border-radius:var(--radius-xl);padding:2rem;width:360px;text-align:center}
.overlay-icon{font-size:2.5rem;margin-bottom:1rem}
.overlay-title{font-family:var(--font-display);font-size:1.4rem;color:var(--navy);margin-bottom:.5rem}
.overlay-body{color:var(--gray6);font-size:.9rem;margin-bottom:1.5rem}
.overlay-actions{display:flex;gap:.75rem;justify-content:center}
.btn-confirm{padding:.6rem 1.5rem;background:var(--navy);color:var(--white);border:none;border-radius:var(--radius);font-weight:600;cursor:pointer;font-family:var(--font-main)}
.btn-cancel{padding:.6rem 1.5rem;background:var(--white);color:var(--gray7);border:1.5px solid var(--gray3);border-radius:var(--radius);font-weight:600;cursor:pointer;font-family:var(--font-main)}

/* WRITING */
.prompt-row{display:flex;justify-content:space-between;align-items:center;background:var(--white);border:1px solid var(--gray3);border-radius:var(--radius);padding:.8rem 1.1rem;margin-top:.6rem;cursor:pointer;font-size:.85rem;color:var(--gray7);transition:all .15s}
.prompt-row:hover{border-color:var(--blue);background:var(--blue-light)}
.prompt-arrow{font-weight:600;color:var(--blue2);font-size:.8rem}
.writing-instruction{font-size:.88rem;color:var(--gray7);line-height:1.6;margin-top:.5rem}
.chart-wrap{margin-top:1rem;background:var(--white);border:1px solid var(--gray3);border-radius:var(--radius);padding:1rem;overflow-x:auto}
.chart-svg{width:100%;max-width:560px;height:auto}
.chart-svg-pie{width:220px;height:220px;display:block;margin:0 auto}
.chart-legend{display:flex;flex-wrap:wrap;gap:.6rem 1rem;margin-top:.75rem;justify-content:center}
.legend-item{display:flex;align-items:center;gap:.35rem;font-size:.78rem;color:var(--gray6)}
.legend-dot{width:9px;height:9px;border-radius:50%;display:inline-block}
.chart-table{width:100%;border-collapse:collapse;font-size:.82rem}
.chart-table th,.chart-table td{border:1px solid var(--gray3);padding:.5rem .7rem;text-align:left}
.chart-table th{background:var(--gray1);color:var(--gray7);font-weight:600}
.process-flow{display:flex;flex-direction:column;align-items:center;margin-top:.5rem}
.process-step{display:flex;align-items:center;gap:.75rem;background:var(--white);border:1px solid var(--gray3);border-radius:var(--radius);padding:.6rem .9rem;width:100%;max-width:480px}
.process-num{width:22px;height:22px;border-radius:50%;background:var(--navy);color:var(--white);font-size:.72rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.process-text{font-size:.82rem;color:var(--gray7)}
.process-arrow{color:var(--gray4);font-size:1rem;margin:.15rem 0}
.writing-meta-bar{display:flex;justify-content:flex-end;margin-top:.75rem;font-size:.8rem;color:var(--gray6);font-family:var(--font-mono)}
.writing-textarea{width:100%;min-height:280px;margin-top:.5rem;padding:1rem;border:1.5px solid var(--gray3);border-radius:var(--radius-lg);font-family:var(--font-main);font-size:.9rem;line-height:1.6;resize:vertical}
.writing-textarea:focus{border-color:var(--blue);outline:none}

/* SPEAKING */
.speaking-question-panel{text-align:center;padding:2rem 1.75rem}
.speaking-question-text{font-family:var(--font-display);font-size:1.4rem;color:var(--navy);line-height:1.5;max-width:560px;margin:0 auto}
.speaking-cue-title{font-family:var(--font-display);font-size:1.3rem;color:var(--navy);margin-top:.5rem}
.speaking-cue-bullets{text-align:left;max-width:420px;margin:1rem auto;color:var(--gray7);font-size:.88rem;line-height:1.8;list-style:disc;padding-left:1.25rem}
.speaking-countdown{font-family:var(--font-mono);font-size:2.2rem;font-weight:700;color:var(--orange);margin-top:1rem}
.recording-panel{text-align:center;margin-top:1rem}

.mistake-filter-tabs{display:flex;gap:.25rem;margin-bottom:1rem}
.mistake-filter-tabs .nav-item{border:1px solid var(--gray3);border-radius:var(--radius);border-bottom:1px solid var(--gray3)}
.mistake-filter-tabs .nav-item.active{background:var(--navy);color:var(--white);border-color:var(--navy)}
.mistake-reason-tag{font-size:.75rem;color:var(--gray6);font-style:italic}

/* MISTAKE REVIEW */
.mistake-card{background:var(--gray1);border:1px solid var(--gray3);border-radius:var(--radius);padding:.9rem 1rem;margin-top:.75rem}
.mistake-q{font-size:.85rem;color:var(--gray8);line-height:1.5;margin-bottom:.5rem}
.mistake-answers{display:flex;gap:1rem;flex-wrap:wrap;font-size:.78rem;margin-bottom:.5rem}
.mistake-wrong{color:var(--red)}
.mistake-correct{color:var(--green)}
.mistake-explanation{font-size:.78rem;color:var(--gray6);line-height:1.5;margin-bottom:.6rem}
.mistake-reason-select{width:100%;padding:.5rem .7rem;border:1.5px solid var(--gray3);border-radius:var(--radius);font-family:var(--font-main);font-size:.82rem;color:var(--gray7);background:var(--white)}

/* PROGRESS */
.readiness-big-num{font-family:var(--font-display);font-size:2.6rem;color:var(--navy);margin:.4rem 0 .75rem}
.readiness-sub-rows{border-top:1px solid var(--gray2);padding-top:.25rem}
.skill-trends-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:.75rem}
.skill-trend-card{padding:1rem}
.skill-trend-card .chart-svg{max-width:100%}
.skill-trend-card .chart-legend{display:none}
.opportunity-weakest{font-size:.82rem;color:var(--orange);font-weight:600;margin-top:.3rem}
.opportunity-action{font-size:.82rem;color:var(--gray7);line-height:1.6;margin-top:.3rem}
.priority-breakdown{border-top:1px solid var(--gray2);margin-top:1rem;padding-top:.5rem}
.priority-row{display:flex;justify-content:space-between;font-size:.75rem;color:var(--gray5);padding:.25rem 0;font-family:var(--font-mono)}

/* MOCK EXAM */
.mock-timing-grid{margin-top:1rem;border-top:1px solid var(--gray2)}
.mock-timing-row{display:flex;justify-content:space-between;padding:.55rem 0;border-bottom:1px solid var(--gray2);font-size:.85rem}
.mock-timing-row span:first-child{color:var(--gray7);font-weight:600}
.mock-timing-row span:last-child{font-family:var(--font-mono);color:var(--gray6)}

/* RESULTS */
.results-hero{background:var(--navy);border-radius:var(--radius-xl);padding:1.75rem 2rem;display:flex;justify-content:space-around;align-items:center;text-align:center}
.results-score-label{font-size:.7rem;color:rgba(255,255,255,.5);letter-spacing:.08em;margin-bottom:.4rem}
.results-score-num{font-family:var(--font-display);font-size:2.2rem;color:var(--white)}
.results-band-num{font-family:var(--font-display);font-size:2.2rem;color:var(--orange)}
.type-row{display:flex;justify-content:space-between;align-items:center;padding:.5rem 0;border-bottom:1px solid var(--gray2);font-size:.85rem}
.type-row:last-child{border-bottom:none}
.type-name{color:var(--gray7)}
.type-score{font-family:var(--font-mono);font-weight:600;color:var(--navy)}
.results-actions{display:flex;gap:.75rem;justify-content:flex-end}

/* STUBS */
.stub-wrap{margin:3rem auto;text-align:center;padding:3rem 2rem;max-width:420px}
.stub-icon{font-size:3rem;margin-bottom:1rem}
.stub-title{font-family:var(--font-display);font-size:1.6rem;color:var(--navy);margin-bottom:.4rem}
.stub-phase{display:inline-block;background:var(--blue-light);color:var(--blue2);font-size:.75rem;font-weight:600;padding:.3rem .8rem;border-radius:20px;margin-bottom:1rem}
.stub-desc{color:var(--gray6);font-size:.9rem;line-height:1.6}

/* SETTINGS */
.settings-body{padding:1.5rem 2rem;max-width:640px;margin:0 auto;width:100%;display:flex;flex-direction:column;gap:1.25rem}
.settings-card{background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--gray3);padding:1.5rem}
.settings-skill-grid{display:grid;grid-template-columns:100px 1fr 1fr;gap:.6rem .75rem;align-items:center;margin-top:.5rem}
.settings-col-label{font-size:.72rem;color:var(--gray5);text-transform:uppercase;letter-spacing:.04em;font-weight:600}
.settings-skill-name{font-size:.85rem;color:var(--gray7)}
.settings-skill-grid input{padding:.5rem .7rem;border:1.5px solid var(--gray3);border-radius:var(--radius);font-family:var(--font-main);font-size:.9rem}
.settings-hint{font-size:.82rem;color:var(--gray6);margin-bottom:1rem}
.settings-data-actions{display:flex;gap:.75rem;flex-wrap:wrap}
.btn-secondary{padding:.55rem 1rem;background:var(--gray1);border:1.5px solid var(--gray3);border-radius:var(--radius);font-size:.82rem;font-weight:600;color:var(--gray7);cursor:pointer;font-family:var(--font-main)}
.btn-secondary:hover{background:var(--gray2)}
.btn-file{display:inline-flex;align-items:center}
.btn-danger{padding:.55rem 1rem;background:var(--red-light);border:1.5px solid #FECACA;border-radius:var(--radius);font-size:.82rem;font-weight:600;color:var(--red);cursor:pointer;font-family:var(--font-main)}
.btn-danger:hover{background:#FEE2E2}

@media (max-width:860px){
  .dash-grid{grid-template-columns:1fr}
  .skill-cards{grid-template-columns:1fr}
  .score-hero{flex-wrap:wrap;gap:1.5rem}
  .practice-grid{grid-template-columns:1fr}
  .reading-body{grid-template-columns:1fr;height:auto}
  .reading-passage-col{border-right:none;border-bottom:1px solid var(--gray3);max-height:50vh}
  .results-hero{flex-wrap:wrap;gap:1.5rem}
  .skill-trends-grid{grid-template-columns:1fr}
  .mistake-filter-tabs{flex-wrap:wrap}
}

@media (max-width:640px){
  .app-header .topbar{padding:.75rem 1rem;gap:.75rem}
  .topbar-brand{font-size:1.1rem}
}