:root{--epx-bg:#f4f7fb;--epx-card:#fff;--epx-text:#152033;--epx-muted:#6b7280;--epx-border:#dbe3ef;--epx-primary:#1f5eff;--epx-primary2:#1548c7;--epx-danger:#c9362b;--epx-success:#15803d;--epx-warning:#a16207;--epx-soft:#eef3ff;--epx-shadow:0 12px 34px rgba(15,23,42,.08)}
#epx-exam-app[data-theme="dark"]{--epx-bg:#0b1220;--epx-card:#111a2d;--epx-text:#f2f5fb;--epx-muted:#a8b3c7;--epx-border:#27344d;--epx-primary:#6d95ff;--epx-primary2:#89a8ff;--epx-danger:#ff756b;--epx-success:#4ade80;--epx-warning:#facc15;--epx-soft:#17223a;--epx-shadow:0 12px 34px rgba(0,0,0,.22)}
.epx-shell{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--epx-text);background:var(--epx-bg);min-height:70vh;padding:24px;box-sizing:border-box}.epx-shell *{box-sizing:border-box}.epx-page{max-width:980px;margin:0 auto}.epx-page.epx-wide{max-width:1400px}.epx-public-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.epx-brand{display:flex;align-items:center;gap:10px}.epx-brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--primary,#1f5eff);background:var(--epx-primary);color:white;font-weight:800}.epx-brand strong{display:block;font-size:15px}.epx-brand small{display:block;color:var(--epx-muted);font-size:11px}.epx-card{background:var(--epx-card);border:1px solid var(--epx-border);border-radius:20px;padding:24px;box-shadow:var(--epx-shadow);margin-bottom:20px}.epx-center{text-align:center}.epx-kicker{text-transform:uppercase;font-weight:800;letter-spacing:.08em;font-size:11px;color:var(--epx-primary)}.epx-card h1,.epx-card h2,.epx-result-page h1,.epx-result-page h2{color:var(--epx-text);margin-top:8px}.epx-muted{color:var(--epx-muted);font-size:13px}.epx-help{margin-top:18px;color:var(--epx-muted);font-size:13px}.epx-btn,.epx-google-btn{appearance:none;border:1px solid var(--epx-border);background:var(--epx-card);color:var(--epx-text);border-radius:12px;padding:11px 16px;font-weight:700;text-decoration:none;cursor:pointer;display:inline-flex;justify-content:center;align-items:center;gap:8px}.epx-btn:hover,.epx-google-btn:hover{filter:brightness(.98)}.epx-btn:disabled{opacity:.45;cursor:not-allowed}.epx-btn-primary{background:var(--epx-primary);border-color:var(--epx-primary);color:white}.epx-btn-danger{background:var(--epx-danger);border-color:var(--epx-danger);color:white}.epx-btn-ghost{background:transparent}.epx-btn-lg{font-size:17px;padding:14px 22px}.epx-icon-btn{width:42px;height:42px;border:1px solid var(--epx-border);background:var(--epx-card);color:var(--epx-text);border-radius:12px;cursor:pointer}.epx-google-btn{width:100%;font-size:16px;margin-top:15px}.epx-google-btn span{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:white;color:#4285f4;border:1px solid #ddd}.epx-auth-card{max-width:560px;margin:50px auto}.epx-form{display:grid;gap:15px;margin-top:18px}.epx-field{display:grid;gap:6px}.epx-field label{font-size:12px;font-weight:800;color:var(--epx-muted)}.epx-field input,.epx-field select,.epx-palette-panel select{width:100%;border:1px solid var(--epx-border);border-radius:11px;padding:11px 12px;background:var(--epx-card);color:var(--epx-text)}.epx-inline-status{font-size:13px;color:var(--epx-muted)}.epx-error-text{color:var(--epx-danger)}.epx-alert{padding:13px 15px;border-radius:12px;background:var(--epx-soft);border:1px solid var(--epx-border);margin:14px 0;color:var(--epx-text)}.epx-alert-danger{border-color:rgba(201,54,43,.4)}.epx-alert-warning{border-color:rgba(161,98,7,.4)}.epx-loading{min-height:320px;display:grid;place-items:center;align-content:center;gap:10px;color:var(--epx-muted)}.epx-spinner{width:34px;height:34px;border:3px solid var(--epx-border);border-top-color:var(--epx-primary);border-radius:50%;animation:epxspin .8s linear infinite}@keyframes epxspin{to{transform:rotate(360deg)}}
.epx-info-grid,.epx-receipt-grid,.epx-result-cards,.epx-submit-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}.epx-info-grid>div,.epx-receipt-grid>div,.epx-result-cards>div,.epx-submit-summary>div{padding:14px;border:1px solid var(--epx-border);background:var(--epx-bg);border-radius:14px}.epx-info-grid span,.epx-receipt-grid span,.epx-result-cards span,.epx-submit-summary span{display:block;font-size:11px;color:var(--epx-muted);margin-top:3px}.epx-instructions{padding:18px 0;border-top:1px solid var(--epx-border);border-bottom:1px solid var(--epx-border)}.epx-start-row{margin-top:20px;text-align:center}
.epx-exam-wrap{position:relative}.epx-exam-topbar{position:sticky;top:0;z-index:30;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;background:color-mix(in srgb,var(--epx-card) 92%,transparent);backdrop-filter:blur(10px);border:1px solid var(--epx-border);border-radius:16px;margin-bottom:14px}.epx-exam-title strong{display:block}.epx-exam-title span{font-size:11px;color:var(--epx-muted)}.epx-top-actions{display:flex;gap:8px;align-items:center}.epx-timer{font-variant-numeric:tabular-nums;font-weight:900;border:1px solid var(--epx-border);border-radius:10px;padding:9px 12px;background:var(--epx-bg)}.epx-timer-warn{color:var(--epx-danger);border-color:var(--epx-danger)}.epx-exam-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px;align-items:start}.epx-question-panel,.epx-palette-panel{background:var(--epx-card);border:1px solid var(--epx-border);border-radius:18px;padding:20px;box-shadow:var(--epx-shadow)}.epx-palette-panel{position:sticky;top:84px}.epx-question-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:15px}.epx-question-meta span{font-size:11px;font-weight:800;background:var(--epx-soft);border:1px solid var(--epx-border);padding:6px 9px;border-radius:999px}.epx-question-text{font-size:18px;line-height:1.55;font-weight:650;margin-bottom:18px}.epx-question-image{max-width:100%;height:auto;border-radius:14px;margin-bottom:16px}.epx-option{width:100%;display:grid;grid-template-columns:38px 1fr;align-items:center;text-align:left;gap:10px;border:1px solid var(--epx-border);background:var(--epx-card);color:var(--epx-text);border-radius:14px;padding:12px 14px;margin:9px 0;cursor:pointer}.epx-option:hover{border-color:var(--epx-primary)}.epx-option.selected{border-color:var(--epx-primary);box-shadow:0 0 0 2px color-mix(in srgb,var(--epx-primary) 18%,transparent);background:var(--epx-soft)}.epx-option-letter{width:32px;height:32px;border-radius:10px;background:var(--epx-bg);display:grid;place-items:center;font-weight:800}.epx-option.selected .epx-option-letter{background:var(--epx-primary);color:white}.epx-option img{grid-column:2;max-width:100%;border-radius:10px}.epx-question-tools,.epx-nav-row{display:flex;gap:10px;justify-content:space-between;margin-top:18px}.epx-question-tools{justify-content:flex-start}.epx-marked{border-color:var(--epx-warning)!important;color:var(--epx-warning)!important}.epx-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:15px}.epx-stats>div{border:1px solid var(--epx-border);border-radius:12px;padding:10px;text-align:center}.epx-stats strong{display:block;font-size:20px}.epx-stats span{display:block;font-size:10px;color:var(--epx-muted)}.epx-palette{display:grid;grid-template-columns:repeat(6,1fr);gap:7px;margin-top:12px;max-height:430px;overflow:auto;padding-right:3px}.epx-qdot{aspect-ratio:1;border:1px solid var(--epx-border);border-radius:9px;background:var(--epx-card);color:var(--epx-text);font-weight:700;cursor:pointer}.epx-qdot.answered{background:var(--epx-success);border-color:var(--epx-success);color:white}.epx-qdot.review{outline:3px solid color-mix(in srgb,var(--epx-warning) 45%,transparent)}.epx-qdot.current{box-shadow:0 0 0 3px color-mix(in srgb,var(--epx-primary) 30%,transparent);border-color:var(--epx-primary)}.epx-legend{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px;color:var(--epx-muted);font-size:10px}.epx-legend i{display:inline-block;width:10px;height:10px;border:1px solid var(--epx-border);border-radius:3px;margin-right:4px}.epx-legend i.answered{background:var(--epx-success)}.epx-legend i.review{outline:2px solid var(--epx-warning)}.epx-mobile-palette{display:none}
.epx-modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.58);z-index:999999;display:grid;place-items:center;padding:18px}.epx-modal{width:min(560px,100%);background:var(--epx-card,#fff);color:var(--epx-text,#152033);border-radius:20px;padding:24px;box-shadow:0 30px 80px rgba(0,0,0,.35)}.epx-modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.epx-success-icon{width:64px;height:64px;border-radius:50%;background:color-mix(in srgb,var(--epx-success) 16%,transparent);color:var(--epx-success);font-size:34px;display:grid;place-items:center;margin:0 auto 12px;font-weight:900}.epx-receipt{max-width:760px;margin:40px auto}.epx-receipt-grid strong{word-break:break-word}.epx-result-time{font-size:18px;margin:16px 0}.epx-result-page{display:grid;gap:18px}.epx-result-hero{background:linear-gradient(135deg,var(--epx-card),var(--epx-soft));border:1px solid var(--epx-border);border-radius:22px;padding:26px;text-align:center;box-shadow:var(--epx-shadow)}.epx-score-circle{width:150px;height:150px;border-radius:50%;border:10px solid color-mix(in srgb,var(--epx-primary) 22%,var(--epx-border));display:grid;place-items:center;align-content:center;margin:15px auto;background:var(--epx-card)}.epx-score-circle strong{font-size:38px}.epx-score-circle span,.epx-score-circle small{color:var(--epx-muted)}.epx-result-cards{grid-template-columns:repeat(5,1fr)}.epx-table-wrap{overflow:auto}.epx-table{width:100%;border-collapse:collapse}.epx-table th,.epx-table td{text-align:left;padding:10px;border-bottom:1px solid var(--epx-border);white-space:nowrap}.epx-table th{font-size:11px;text-transform:uppercase;color:var(--epx-muted)}.epx-review-list{display:grid;gap:10px}.epx-review-item{border:1px solid var(--epx-border);border-radius:13px;overflow:hidden}.epx-review-item summary{cursor:pointer;padding:13px;display:grid;grid-template-columns:60px 90px 1fr;gap:8px;align-items:center}.epx-review-item summary strong{text-transform:capitalize}.epx-review-item summary small{color:var(--epx-muted)}.epx-review-item.epx-correct summary strong{color:var(--epx-success)}.epx-review-item.epx-incorrect summary strong{color:var(--epx-danger)}.epx-review-body{padding:16px;border-top:1px solid var(--epx-border)}.epx-review-option{display:grid;grid-template-columns:32px 1fr;gap:8px;padding:9px;border-radius:9px;margin:6px 0;border:1px solid transparent}.epx-review-option.correct{border-color:var(--epx-success)}.epx-review-option.selected{background:var(--epx-soft)}.epx-explanation{margin-top:15px;padding:14px;background:var(--epx-bg);border-radius:12px}.epx-explanation>strong{display:block;margin-bottom:7px}
@media(max-width:900px){.epx-shell{padding:12px}.epx-exam-grid{grid-template-columns:1fr}.epx-palette-panel{position:fixed;left:12px;right:12px;bottom:12px;top:auto;z-index:200;transform:translateY(calc(100% + 30px));transition:.2s;max-height:72vh;overflow:auto}.epx-palette-panel.epx-mobile-open{transform:translateY(0)}.epx-mobile-palette{display:block;position:sticky;bottom:8px;z-index:100;text-align:center;margin-top:10px}.epx-result-cards{grid-template-columns:repeat(2,1fr)}.epx-info-grid,.epx-receipt-grid{grid-template-columns:1fr}.epx-exam-topbar{align-items:flex-start}.epx-top-actions{flex-wrap:wrap;justify-content:flex-end}.epx-question-panel{padding:16px}.epx-question-text{font-size:17px}.epx-palette{grid-template-columns:repeat(8,1fr)}}
@media(max-width:560px){.epx-public-header{margin-bottom:12px}.epx-brand small{display:none}.epx-shell{padding:8px}.epx-card{padding:17px;border-radius:16px}.epx-exam-topbar{padding:9px}.epx-exam-title strong{font-size:12px;max-width:120px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.epx-btn-danger{padding:9px 10px}.epx-timer{font-size:13px;padding:8px}.epx-top-actions .epx-icon-btn{display:none}.epx-option{padding:10px}.epx-question-tools,.epx-nav-row{gap:7px}.epx-question-tools .epx-btn,.epx-nav-row .epx-btn{flex:1;padding:10px 7px;font-size:12px}.epx-submit-summary{grid-template-columns:repeat(3,1fr)}.epx-result-cards{grid-template-columns:1fr 1fr}.epx-review-item summary{grid-template-columns:45px 72px 1fr;font-size:12px}.epx-palette{grid-template-columns:repeat(6,1fr)}}
/* Exam-day visual system: calm contrast, large touch targets, and a clear review state. */
:root{--epx-primary:#7c3aed;--epx-primary2:#5b21b6;--epx-soft:#f4efff;--epx-bg:#f7f8fc;--epx-shadow:0 18px 50px rgba(46,16,101,.10)}
#epx-exam-app[data-theme="dark"]{--epx-primary:#a78bfa;--epx-primary2:#c4b5fd;--epx-soft:#24183e;--epx-bg:#0f1320;--epx-shadow:0 18px 50px rgba(0,0,0,.30)}
.epx-shell{background:radial-gradient(circle at 8% 0%,color-mix(in srgb,var(--epx-primary) 8%,transparent),transparent 28rem),radial-gradient(circle at 100% 12%,color-mix(in srgb,#60a5fa 8%,transparent),transparent 30rem),var(--epx-bg);line-height:1.45}
.epx-card,.epx-question-panel,.epx-palette-panel{box-shadow:var(--epx-shadow)}
.epx-btn,.epx-google-btn,.epx-icon-btn,.epx-option,.epx-qdot{transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease,background-color .16s ease}
.epx-btn:hover:not(:disabled),.epx-google-btn:hover,.epx-icon-btn:hover,.epx-option:hover,.epx-qdot:hover{transform:translateY(-1px)}
.epx-btn:focus-visible,.epx-google-btn:focus-visible,.epx-icon-btn:focus-visible,.epx-option:focus-visible,.epx-qdot:focus-visible,.epx-review-filter:focus-visible{outline:3px solid color-mix(in srgb,var(--epx-primary) 36%,transparent);outline-offset:2px}
.epx-btn-primary{background:linear-gradient(135deg,var(--epx-primary),var(--epx-primary2));box-shadow:0 8px 18px color-mix(in srgb,var(--epx-primary) 25%,transparent)}
.epx-exam-topbar{box-shadow:0 10px 28px color-mix(in srgb,var(--epx-primary) 8%,transparent)}
.epx-exam-progress{height:5px;background:color-mix(in srgb,var(--epx-primary) 15%,var(--epx-border));border-radius:999px;overflow:hidden;margin:-5px 3px 17px}
.epx-exam-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--epx-primary),#c084fc);border-radius:inherit;transition:width .25s ease}
#epx-fullscreen{display:inline-grid;place-items:center;font-size:20px;line-height:1}
.epx-review-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:16px}
.epx-review-head h2{margin-bottom:3px}
.epx-review-head p{margin:0}
.epx-review-filters{display:flex;align-items:center;gap:6px;flex-wrap:wrap;padding:5px;border:1px solid var(--epx-border);background:var(--epx-bg);border-radius:14px}
.epx-review-filter{appearance:none;border:1px solid transparent;background:transparent;color:var(--epx-muted);border-radius:10px;padding:8px 10px;font:inherit;font-size:12px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.epx-review-filter span{min-width:20px;padding:2px 6px;border-radius:999px;background:color-mix(in srgb,var(--epx-primary) 12%,transparent);color:var(--epx-primary);text-align:center}
.epx-review-filter.is-active{background:var(--epx-card);border-color:var(--epx-border);color:var(--epx-primary);box-shadow:0 4px 12px color-mix(in srgb,var(--epx-primary) 12%,transparent)}
.epx-review-item[hidden]{display:none}
.epx-review-empty{margin:18px 0 0;padding:16px;border:1px dashed var(--epx-border);border-radius:12px;color:var(--epx-muted);text-align:center}
html:fullscreen,html:fullscreen body{background:var(--epx-bg)}
html:fullscreen body{margin:0}
html:fullscreen #epx-exam-app{min-height:100vh;position:fixed;inset:0;z-index:2147483000;overflow:auto;padding:clamp(8px,2vw,24px)}
html.epx-browser-fullscreen,html.epx-browser-fullscreen body{height:100%;overflow:hidden}
html.epx-browser-fullscreen #epx-exam-app{position:fixed;inset:0;z-index:2147483000;overflow:auto;min-height:100vh;padding:clamp(8px,2vw,24px)}
@media(max-width:560px){.epx-top-actions #epx-fullscreen{display:inline-grid!important}.epx-review-filters{width:100%;display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}.epx-review-filter{justify-content:center;padding:8px 5px;font-size:11px}.epx-review-filter span{display:none}.epx-exam-progress{margin-bottom:12px}}
/* Mobile result and exam refinements. Keep long content inside the viewport. */
.epx-page,.epx-card,.epx-question-panel,.epx-palette-panel{min-width:0}
.epx-shell{width:100%;overflow-x:hidden}
.epx-card h1,.epx-card h2,.epx-result-page h1,.epx-result-page h2{overflow-wrap:anywhere}
.epx-question-text,.epx-review-body,.epx-instructions{overflow-wrap:anywhere}
.epx-question-text img,.epx-review-body img,.epx-instructions img{max-width:100%;height:auto}
.epx-question-text table,.epx-review-body table,.epx-instructions table{display:block;max-width:100%;overflow-x:auto}
.epx-option{grid-template-columns:38px minmax(0,1fr)}
.epx-option-text,.epx-option>span{min-width:0;overflow-wrap:anywhere}
.epx-result-hero h1{max-width:100%;overflow-wrap:anywhere}
.epx-result-cards>div,.epx-info-grid>div,.epx-receipt-grid>div,.epx-submit-summary>div{min-width:0}
.epx-result-cards strong{overflow-wrap:anywhere}
.epx-review-item summary{min-width:0}
.epx-review-item summary small{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.epx-review-option{grid-template-columns:32px minmax(0,1fr)}
.epx-review-option>div{min-width:0;overflow-wrap:anywhere}
.epx-modal{max-height:calc(100vh - 24px);max-height:calc(100dvh - 24px);overflow-y:auto}
@media(max-width:640px){
  .epx-shell{padding:10px}
  .epx-btn,.epx-google-btn{min-height:44px}
  .epx-icon-btn{width:44px;height:44px}
  .epx-field input,.epx-field select{min-height:44px}
  .epx-public-header{gap:8px}
  .epx-public-header .epx-icon-btn{flex:0 0 42px}
  .epx-card{padding:16px;margin-bottom:14px}
  .epx-result-hero{padding:20px 16px;border-radius:18px}
  .epx-result-hero .epx-kicker{display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .epx-score-circle{width:128px;height:128px;border-width:8px;margin:14px auto}
  .epx-score-circle strong{font-size:32px}
  .epx-result-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:14px 0 0}
  .epx-result-cards>div{padding:11px 8px}
  .epx-result-cards strong{font-size:1rem}
  .epx-result-cards span{font-size:10px}
  .epx-table-wrap{overflow:visible}
  .epx-table{display:block}
  .epx-table thead{display:none}
  .epx-table tbody{display:grid;gap:9px}
  .epx-table tr{display:block;border:1px solid var(--epx-border);border-radius:12px;padding:8px 12px;background:var(--epx-bg)}
  .epx-table td{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;white-space:normal;text-align:right;padding:8px 0;border-bottom:1px solid var(--epx-border);overflow-wrap:anywhere}
  .epx-table td:last-child{border-bottom:0}
  .epx-table td::before{content:attr(data-label);color:var(--epx-muted);font-size:11px;font-weight:800;text-align:left;text-transform:uppercase;letter-spacing:.04em;flex:0 0 auto}
  .epx-table td:first-child{font-weight:700}
  .epx-review-head{gap:12px}
  .epx-review-filters{width:100%;display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
  .epx-review-filter{justify-content:center;min-width:0;padding:8px 4px}
  .epx-review-item summary{grid-template-columns:42px minmax(60px,auto) minmax(0,1fr);padding:12px 10px}
  .epx-review-body{padding:13px}
  .epx-question-panel{padding:14px}
  .epx-exam-topbar{flex-wrap:wrap;align-items:center}
  .epx-exam-title{min-width:0;flex:1 1 125px}
  .epx-exam-title strong{max-width:100%;font-size:13px}
  .epx-top-actions{flex:0 1 auto;max-width:100%}
  .epx-top-actions #epx-fullscreen{display:inline-grid!important}
  .epx-palette-panel{bottom:max(12px,env(safe-area-inset-bottom))}
  .epx-timer{white-space:nowrap}
  .epx-option{min-height:50px}
  .epx-nav-row,.epx-question-tools{flex-wrap:wrap}
  .epx-nav-row .epx-btn,.epx-question-tools .epx-btn,.epx-mobile-palette .epx-btn{min-height:44px}
  .epx-modal-backdrop{padding:12px}
  .epx-modal{padding:18px}
  .epx-modal-actions{flex-direction:column}
  .epx-modal-actions .epx-btn{width:100%;min-height:44px}
}
@media(max-width:400px){
  .epx-shell{padding:7px}
  .epx-card{padding:14px}
  .epx-result-hero h1{font-size:1.55rem}
  .epx-exam-title{flex-basis:100%}
  .epx-top-actions{width:100%;justify-content:space-between}
  .epx-top-actions .epx-btn-danger{flex:1}
  .epx-review-filters{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* Result question map: status-coded bubbles with a sticky desktop rail. */
.epx-review-layout{display:grid;grid-template-columns:minmax(210px,250px) minmax(0,1fr);gap:18px;align-items:start}
.epx-review-nav{position:sticky;top:18px;min-width:0;padding:14px;border:1px solid var(--epx-border);border-radius:16px;background:var(--epx-bg);box-shadow:0 10px 26px color-mix(in srgb,var(--epx-primary) 7%,transparent)}
.epx-review-nav-toggle{width:100%;display:grid;grid-template-columns:minmax(0,1fr) auto 18px;align-items:center;gap:7px;text-align:left;border:0;background:transparent;color:var(--epx-text);font:inherit;font-weight:900;padding:4px;cursor:pointer}
.epx-review-nav-toggle small{color:var(--epx-muted);font-size:11px;font-weight:700;white-space:nowrap}
.epx-review-nav-toggle>span:last-child{color:var(--epx-primary);font-size:20px;line-height:1;text-align:center}
.epx-review-nav-body{margin-top:12px}
.epx-review-nav .epx-review-filters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%;margin-bottom:12px}
.epx-review-nav .epx-review-filter{justify-content:center;min-width:0;padding:8px 5px}
.epx-review-filter[data-review-filter="correct"] span{background:rgba(22,163,74,.14);color:#15803d}
.epx-review-filter[data-review-filter="incorrect"] span{background:rgba(220,38,38,.14);color:#b91c1c}
.epx-review-filter[data-review-filter="unanswered"] span{background:rgba(245,158,11,.18);color:#a16207}
.epx-review-bubbles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;max-height:360px;overflow:auto;padding:4px}
.epx-review-bubble{aspect-ratio:1;min-width:38px;border:2px solid transparent;border-radius:50%;color:#fff;font:inherit;font-size:12px;font-weight:900;cursor:pointer;box-shadow:0 3px 8px rgba(15,23,42,.12);transition:transform .16s ease,box-shadow .16s ease,filter .16s ease}
.epx-review-bubble:hover{transform:translateY(-1px);filter:brightness(1.04)}
.epx-review-bubble.epx-bubble-correct{background:#16a34a;border-color:#15803d}
.epx-review-bubble.epx-bubble-incorrect{background:#dc2626;border-color:#b91c1c}
.epx-review-bubble.epx-bubble-unanswered{background:#f59e0b;border-color:#d97706;color:#3b2200}
.epx-review-bubble.is-active{box-shadow:0 0 0 3px color-mix(in srgb,var(--epx-primary) 35%,transparent),0 5px 12px rgba(15,23,42,.18);transform:translateY(-1px)}
.epx-review-bubble[hidden]{display:none}
.epx-review-legend{display:grid;gap:6px;margin-top:12px;color:var(--epx-muted);font-size:11px}
.epx-review-legend span{display:flex;align-items:center;gap:7px}
.epx-review-legend i{display:inline-block;width:11px;height:11px;border-radius:4px}
.epx-review-legend .epx-legend-correct{background:#16a34a}
.epx-review-legend .epx-legend-wrong{background:#dc2626}
.epx-review-legend .epx-legend-skipped{background:#f59e0b}
.epx-review-content{min-width:0}
.epx-review-item{scroll-margin-top:24px}
.epx-review-item.epx-unanswered summary strong{color:var(--epx-warning)}
.epx-review-bubble:focus-visible,.epx-review-nav-toggle:focus-visible{outline:3px solid color-mix(in srgb,var(--epx-primary) 36%,transparent);outline-offset:2px}
@media(max-width:900px){
  .epx-review-layout{grid-template-columns:1fr;gap:12px}
  .epx-review-nav{position:static}
  .epx-review-nav-body{display:none}
  .epx-review-nav.is-open .epx-review-nav-body{display:block}
  .epx-review-bubbles{grid-template-columns:repeat(auto-fill,minmax(38px,1fr));max-height:230px}
}
@media(max-width:400px){
  .epx-review-nav{padding:11px}
  .epx-review-nav .epx-review-filters{grid-template-columns:repeat(2,minmax(0,1fr))}
  .epx-review-bubbles{grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}
}

/*
 * Soft student experience
 * Calm surfaces, restrained contrast, generous spacing, and touch-first
 * controls keep the exam focused without making the interface feel heavy.
 */
:root{
  --epx-bg:#f8f7fb;
  --epx-card:#fffdfc;
  --epx-card-strong:#ffffff;
  --epx-text:#30374a;
  --epx-muted:#7d8495;
  --epx-border:#e8e6ef;
  --epx-primary:#8172c1;
  --epx-primary2:#6d5fac;
  --epx-soft:#f2effa;
  --epx-primary-soft:#f0eefb;
  --epx-blue-soft:#eff7fb;
  --epx-success:#5d9b79;
  --epx-success-strong:#3f7a5c;
  --epx-success-soft:#edf8f1;
  --epx-danger:#c96d74;
  --epx-danger-strong:#a64d56;
  --epx-danger-soft:#fff1f3;
  --epx-warning:#bd8a3a;
  --epx-warning-strong:#966f27;
  --epx-warning-soft:#fff7e8;
  --epx-shadow:0 18px 50px rgba(67,58,105,.09);
  --epx-shadow-soft:0 8px 24px rgba(67,58,105,.06);
  --epx-radius-lg:24px;
  --epx-radius-md:16px;
  --epx-radius-sm:12px;
}
#epx-exam-app[data-theme="dark"]{
  --epx-bg:#1c1f2d;
  --epx-card:#252a3a;
  --epx-card-strong:#2b3042;
  --epx-text:#f4f1ec;
  --epx-muted:#b4b7c3;
  --epx-border:#3b4052;
  --epx-primary:#b6a9ec;
  --epx-primary2:#9d8edb;
  --epx-soft:#322f49;
  --epx-primary-soft:#332f4c;
  --epx-blue-soft:#273845;
  --epx-success:#91c8a7;
  --epx-success-strong:#72ae8c;
  --epx-success-soft:#263d35;
  --epx-danger:#e7a0a4;
  --epx-danger-strong:#d37f86;
  --epx-danger-soft:#4a3038;
  --epx-warning:#e2c077;
  --epx-warning-strong:#d6ae60;
  --epx-warning-soft:#493b27;
  --epx-shadow:0 18px 50px rgba(0,0,0,.25);
  --epx-shadow-soft:0 8px 24px rgba(0,0,0,.18);
}
.epx-shell{
  color-scheme:light;
  position:relative;
  isolation:isolate;
  width:100%;
  min-height:70vh;
  padding:clamp(16px,3vw,32px);
  overflow-x:hidden;
  background:
    radial-gradient(circle at 0 0,rgba(183,169,232,.16),transparent 28rem),
    radial-gradient(circle at 100% 18%,rgba(169,207,228,.15),transparent 30rem),
    linear-gradient(180deg,#fbfafc 0%,var(--epx-bg) 48%,#f7f8fb 100%);
  color:var(--epx-text);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.5;
  letter-spacing:.002em;
}
#epx-exam-app[data-theme="dark"]{color-scheme:dark}
#epx-exam-app[data-theme="dark"].epx-shell{
  background:
    radial-gradient(circle at 0 0,rgba(126,106,190,.18),transparent 28rem),
    radial-gradient(circle at 100% 18%,rgba(91,132,160,.12),transparent 30rem),
    linear-gradient(180deg,#202334 0%,var(--epx-bg) 55%,#191c29 100%);
}
.epx-shell *,.epx-shell *::before,.epx-shell *::after{box-sizing:border-box}
.epx-page{width:100%;max-width:1080px;margin:0 auto}
.epx-page.epx-wide{max-width:1240px}
.epx-public-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:3px 3px 18px;
  margin-bottom:12px;
  border-bottom:1px solid rgba(232,230,239,.7);
}
#epx-exam-app[data-theme="dark"] .epx-public-header{border-bottom-color:rgba(59,64,82,.8)}
.epx-brand{display:flex;align-items:center;gap:12px;min-width:0}
.epx-brand-mark{
  display:grid;
  place-items:center;
  flex:0 0 44px;
  width:44px;
  height:44px;
  border:1px solid rgba(255,255,255,.6);
  border-radius:15px;
  background:linear-gradient(145deg,#a99cdf,#7c6dbb);
  color:#fff;
  box-shadow:0 9px 20px rgba(104,88,164,.20);
  font-size:15px;
  font-weight:850;
  letter-spacing:-.04em;
}
.epx-brand strong{display:block;max-width:40ch;color:var(--epx-text);font-size:15px;font-weight:850;letter-spacing:-.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.epx-brand small{display:block;margin-top:2px;color:var(--epx-muted);font-size:11px}
.epx-card{
  position:relative;
  min-width:0;
  margin:0 0 18px;
  padding:clamp(20px,3vw,30px);
  border:1px solid var(--epx-border);
  border-radius:var(--epx-radius-lg);
  background:var(--epx-card);
  box-shadow:var(--epx-shadow);
}
.epx-card h1,.epx-card h2,.epx-card h3,.epx-result-page h1,.epx-result-page h2{
  color:var(--epx-text);
  letter-spacing:-.025em;
}
.epx-card h1,.epx-result-page h1{margin:8px 0 10px;font-size:clamp(1.7rem,3vw,2.35rem);line-height:1.15}
.epx-card h2,.epx-result-page h2{margin:0 0 12px;font-size:clamp(1.1rem,2vw,1.35rem);line-height:1.25}
.epx-card p{color:var(--epx-muted)}
.epx-card p:last-child{margin-bottom:0}
.epx-center{text-align:center}
.epx-kicker{
  display:inline-block;
  color:var(--epx-primary2);
  font-size:10px;
  font-weight:850;
  letter-spacing:.12em;
  line-height:1.2;
  text-transform:uppercase;
}
.epx-muted,.epx-help{color:var(--epx-muted);font-size:13px}
.epx-help{margin-top:18px}
.epx-btn,.epx-google-btn,.epx-icon-btn{
  appearance:none;
  border:1px solid var(--epx-border);
  border-radius:14px;
  background:var(--epx-card-strong);
  color:var(--epx-text);
  cursor:pointer;
  font:inherit;
  font-size:14px;
  font-weight:800;
  line-height:1.2;
  text-decoration:none;
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease,background-color .16s ease,filter .16s ease;
}
.epx-btn,.epx-google-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:12px 17px}
.epx-btn:hover:not(:disabled),.epx-google-btn:hover,.epx-icon-btn:hover{transform:translateY(-1px);border-color:#d4cee8;box-shadow:var(--epx-shadow-soft)}
.epx-btn:active:not(:disabled),.epx-google-btn:active,.epx-icon-btn:active{transform:translateY(0)}
.epx-btn:disabled{cursor:not-allowed;opacity:.5;transform:none;box-shadow:none}
.epx-btn-primary{
  border-color:var(--epx-primary);
  background:linear-gradient(135deg,var(--epx-primary),var(--epx-primary2));
  color:#fff;
  box-shadow:0 9px 20px rgba(109,95,172,.20);
}
.epx-btn-danger{border-color:var(--epx-danger);background:var(--epx-danger);color:#fff;box-shadow:0 8px 18px rgba(201,109,116,.18)}
.epx-btn-ghost{border-color:transparent;background:var(--epx-soft);color:var(--epx-primary2)}
.epx-btn-ghost:hover:not(:disabled){border-color:#ded8f0;background:var(--epx-primary-soft)}
.epx-btn-lg{min-height:52px;padding:14px 24px;font-size:16px}
.epx-icon-btn{display:inline-grid;place-items:center;width:44px;height:44px;padding:0;font-size:18px}
.epx-google-btn{width:100%;margin-top:17px;font-size:15px}
.epx-google-btn span{display:grid;place-items:center;width:27px;height:27px;border:1px solid #e5e0ed;border-radius:50%;background:#fff;color:#4285f4;font-weight:850}
.epx-auth-card{max-width:570px;margin:clamp(25px,8vw,72px) auto}
.epx-landing{overflow:hidden;padding:clamp(24px,5vw,48px)}
.epx-landing::before{
  position:absolute;
  top:-100px;
  right:-70px;
  width:230px;
  height:230px;
  border-radius:50%;
  background:rgba(201,191,237,.22);
  content:"";
  pointer-events:none;
}
.epx-landing>*{position:relative;z-index:1}
.epx-form{display:grid;gap:16px;margin-top:20px}
.epx-field{display:grid;gap:7px;text-align:left}
.epx-field label{color:var(--epx-text);font-size:12px;font-weight:800}
.epx-field input,.epx-field select,.epx-palette-panel select{
  width:100%;
  min-height:46px;
  border:1px solid var(--epx-border);
  border-radius:13px;
  outline:0;
  background:var(--epx-bg);
  color:var(--epx-text);
  font:inherit;
  font-size:14px;
  padding:11px 13px;
  transition:border-color .16s ease,box-shadow .16s ease,background-color .16s ease;
}
.epx-field input::placeholder{color:#aeb2be}
.epx-field input:hover,.epx-field select:hover,.epx-palette-panel select:hover{border-color:#d5d0e4}
.epx-field input:focus,.epx-field select:focus,.epx-palette-panel select:focus{
  border-color:var(--epx-primary);
  background:var(--epx-card);
  box-shadow:0 0 0 4px rgba(129,114,193,.13);
}
.epx-inline-status{min-height:20px;color:var(--epx-muted);font-size:13px}
.epx-error-text{color:var(--epx-danger-strong)}
.epx-alert{
  margin:16px 0;
  padding:14px 16px;
  border:1px solid #d9e8ee;
  border-radius:14px;
  background:var(--epx-blue-soft);
  color:var(--epx-text);
  font-size:13px;
}
.epx-alert-danger{border-color:#f0cfd2;background:var(--epx-danger-soft);color:var(--epx-danger-strong)}
.epx-alert-warning{border-color:#ead7aa;background:var(--epx-warning-soft);color:var(--epx-warning-strong)}
.epx-loading{min-height:320px;display:grid;place-items:center;align-content:center;gap:12px;color:var(--epx-muted)}
.epx-spinner{width:36px;height:36px;border:3px solid #e8e3f4;border-top-color:var(--epx-primary);border-radius:50%;animation:epxspin .8s linear infinite}
.epx-info-grid,.epx-receipt-grid,.epx-result-cards,.epx-submit-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px 0}
.epx-info-grid>div,.epx-receipt-grid>div,.epx-result-cards>div,.epx-submit-summary>div{
  min-width:0;
  padding:15px;
  border:1px solid var(--epx-border);
  border-radius:16px;
  background:var(--epx-bg);
}
.epx-info-grid>div:nth-child(1),.epx-result-cards>div:nth-child(1){background:var(--epx-success-soft);border-color:#d2eadb}
.epx-info-grid>div:nth-child(2),.epx-result-cards>div:nth-child(2){background:var(--epx-primary-soft);border-color:#dfd9f1}
.epx-info-grid>div:nth-child(3),.epx-result-cards>div:nth-child(3){background:var(--epx-warning-soft);border-color:#f0dfb9}
.epx-result-cards>div:nth-child(4){background:var(--epx-blue-soft);border-color:#d8e9f0}
.epx-info-grid span,.epx-receipt-grid span,.epx-result-cards span,.epx-submit-summary span{display:block;margin-top:3px;color:var(--epx-muted);font-size:11px}
.epx-info-grid strong,.epx-receipt-grid strong,.epx-result-cards strong,.epx-submit-summary strong{display:block;color:var(--epx-text);font-size:16px;overflow-wrap:anywhere}
.epx-instructions{padding:20px 0;border-top:1px solid var(--epx-border);border-bottom:1px solid var(--epx-border);color:var(--epx-text)}
.epx-start-row{margin-top:24px;text-align:center}
.epx-exam-wrap{position:relative;max-width:1180px;margin:0 auto}
.epx-exam-topbar{
  position:sticky;
  top:10px;
  z-index:30;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  min-height:66px;
  margin-bottom:13px;
  padding:10px 12px 10px 17px;
  border:1px solid var(--epx-border);
  border-radius:19px;
  background:rgba(255,253,252,.88);
  box-shadow:0 10px 28px rgba(67,58,105,.08);
  backdrop-filter:blur(16px);
}
#epx-exam-app[data-theme="dark"] .epx-exam-topbar{background:rgba(37,42,58,.9)}
.epx-exam-title{min-width:0}
.epx-exam-title strong{display:block;max-width:44ch;color:var(--epx-text);font-size:14px;font-weight:850;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.epx-exam-title span{display:block;margin-top:2px;color:var(--epx-muted);font-size:11px}
.epx-top-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;min-width:0}
.epx-timer{
  min-width:94px;
  padding:10px 12px;
  border:1px solid #ddd8ed;
  border-radius:12px;
  background:var(--epx-primary-soft);
  color:var(--epx-primary2);
  font-variant-numeric:tabular-nums;
  font-size:14px;
  font-weight:900;
  text-align:center;
}
.epx-timer-warn{border-color:#e9c3c7;background:var(--epx-danger-soft);color:var(--epx-danger-strong)}
.epx-exam-progress{height:6px;margin:-2px 4px 18px;overflow:hidden;border-radius:999px;background:#ebe8f4}
.epx-exam-progress span{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#a69add,#8aaed0);transition:width .25s ease}
.epx-exam-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(270px,300px);gap:22px;align-items:start}
.epx-question-panel,.epx-palette-panel{
  min-width:0;
  padding:clamp(18px,3vw,28px);
  border:1px solid var(--epx-border);
  border-radius:22px;
  background:var(--epx-card);
  box-shadow:var(--epx-shadow);
}
.epx-question-panel{min-height:520px}
.epx-palette-panel{position:sticky;top:96px}
.epx-question-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.epx-question-meta span{
  display:inline-flex;
  align-items:center;
  min-height:28px;
  max-width:100%;
  padding:6px 10px;
  overflow:hidden;
  border:1px solid #e1dcef;
  border-radius:999px;
  background:var(--epx-primary-soft);
  color:var(--epx-primary2);
  font-size:11px;
  font-weight:850;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.epx-question-meta span:nth-child(2){border-color:#dbe9ee;background:var(--epx-blue-soft);color:#5a829c}
.epx-question-meta span:nth-child(3){border-color:#eadfbe;background:var(--epx-warning-soft);color:var(--epx-warning-strong)}
.epx-question-text{
  margin-bottom:22px;
  color:var(--epx-text);
  font-size:clamp(1.15rem,2vw,1.48rem);
  font-weight:650;
  line-height:1.55;
  overflow-wrap:anywhere;
}
.epx-question-image{display:block;max-width:100%;height:auto;margin:0 0 20px;border:1px solid var(--epx-border);border-radius:16px}
.epx-option{
  width:100%;
  min-height:62px;
  display:grid;
  grid-template-columns:42px minmax(0,1fr);
  align-items:center;
  gap:12px;
  margin:10px 0;
  padding:12px 15px;
  border:1px solid var(--epx-border);
  border-radius:16px;
  outline:0;
  background:var(--epx-card-strong);
  color:var(--epx-text);
  cursor:pointer;
  font:inherit;
  font-size:14px;
  text-align:left;
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease,background-color .16s ease;
}
.epx-option:hover{transform:translateY(-1px);border-color:#cfc7e6;box-shadow:var(--epx-shadow-soft)}
.epx-option:focus-visible{border-color:var(--epx-primary);box-shadow:0 0 0 4px rgba(129,114,193,.14)}
.epx-option.selected{border-color:#a79bd7;background:var(--epx-primary-soft);box-shadow:0 0 0 3px rgba(129,114,193,.12)}
.epx-option-letter{
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  border:1px solid #ded8ee;
  border-radius:50%;
  background:var(--epx-bg);
  color:var(--epx-primary2);
  font-size:12px;
  font-weight:900;
}
.epx-option.selected .epx-option-letter{border-color:var(--epx-primary);background:var(--epx-primary);color:#fff}
.epx-option-text{min-width:0;overflow-wrap:anywhere}
.epx-option img{grid-column:2;max-width:100%;height:auto;border-radius:12px}
.epx-question-tools,.epx-nav-row{display:flex;gap:10px;justify-content:space-between;margin-top:24px}
.epx-question-tools{justify-content:flex-start;padding-top:18px;border-top:1px solid var(--epx-border)}
.epx-marked{border-color:var(--epx-warning)!important;background:var(--epx-warning-soft)!important;color:var(--epx-warning-strong)!important}
.epx-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-bottom:18px}
.epx-stats>div{min-width:0;padding:12px 8px;border:1px solid var(--epx-border);border-radius:14px;background:var(--epx-bg);text-align:center}
.epx-stats>div:nth-child(1){border-color:#d2eadb;background:var(--epx-success-soft)}
.epx-stats>div:nth-child(2){border-color:#f0dfb9;background:var(--epx-warning-soft)}
.epx-stats>div:nth-child(3){border-color:#dfd9f1;background:var(--epx-primary-soft)}
.epx-stats strong{display:block;color:var(--epx-text);font-size:20px;line-height:1.1}
.epx-stats span{display:block;margin-top:4px;color:var(--epx-muted);font-size:10px;font-weight:700}
.epx-palette{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;max-height:430px;margin-top:14px;overflow:auto;padding:2px}
.epx-qdot{
  aspect-ratio:1;
  min-width:0;
  border:1px solid var(--epx-border);
  border-radius:12px;
  background:var(--epx-bg);
  color:var(--epx-text);
  cursor:pointer;
  font:inherit;
  font-size:12px;
  font-weight:850;
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease,background-color .16s ease;
}
.epx-qdot:hover{transform:translateY(-1px);border-color:#cfc7e6;box-shadow:var(--epx-shadow-soft)}
.epx-qdot.answered{border-color:#8bc39f;background:#9acdaf;color:#244c37}
.epx-qdot.review{outline:3px solid rgba(189,138,58,.36);outline-offset:1px}
.epx-qdot.current{box-shadow:0 0 0 3px rgba(129,114,193,.27);border-color:var(--epx-primary)}
.epx-legend{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px;color:var(--epx-muted);font-size:10px}
.epx-legend span{display:inline-flex;align-items:center}
.epx-legend i{display:inline-block;width:10px;height:10px;margin-right:5px;border:1px solid var(--epx-border);border-radius:4px;background:var(--epx-bg)}
.epx-legend i.answered{border-color:#8bc39f;background:#9acdaf}
.epx-legend i.review{outline:2px solid #d7b66c}
.epx-mobile-palette{display:none}
.epx-modal-backdrop{background:rgba(47,42,68,.42);backdrop-filter:blur(5px)}
.epx-modal{
  width:min(560px,100%);
  max-height:calc(100vh - 28px);
  max-height:calc(100dvh - 28px);
  overflow-y:auto;
  padding:clamp(20px,4vw,30px);
  border:1px solid var(--epx-border);
  border-radius:22px;
  background:var(--epx-card);
  box-shadow:0 28px 70px rgba(47,42,68,.24);
}
.epx-modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}
.epx-submit-summary>div:nth-child(1){background:var(--epx-success-soft);border-color:#d2eadb}
.epx-submit-summary>div:nth-child(2){background:var(--epx-warning-soft);border-color:#f0dfb9}
.epx-submit-summary>div:nth-child(3){background:var(--epx-primary-soft);border-color:#dfd9f1}
.epx-success-icon{border:1px solid #d2eadb;background:var(--epx-success-soft);color:var(--epx-success-strong)}
.epx-receipt{max-width:760px;margin:clamp(24px,7vw,60px) auto}
.epx-receipt-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.epx-result-page{display:grid;gap:18px}
.epx-result-hero{
  padding:clamp(22px,4vw,40px);
  border:1px solid var(--epx-border);
  border-radius:var(--epx-radius-lg);
  background:
    radial-gradient(circle at 12% 0,rgba(183,169,232,.20),transparent 22rem),
    linear-gradient(145deg,var(--epx-card),var(--epx-primary-soft));
  box-shadow:var(--epx-shadow);
  text-align:center;
}
.epx-result-hero h1{margin-bottom:0}
.epx-score-circle{
  width:156px;
  height:156px;
  display:grid;
  place-items:center;
  align-content:center;
  margin:20px auto;
  border:10px solid #d8d1ed;
  border-radius:50%;
  background:var(--epx-card);
  box-shadow:inset 0 0 0 1px var(--epx-border),0 12px 28px rgba(67,58,105,.08);
}
.epx-score-circle strong{color:var(--epx-primary2);font-size:38px;line-height:1}
.epx-score-circle span,.epx-score-circle small{color:var(--epx-muted)}
.epx-score-circle small{margin-top:5px;font-weight:800}
.epx-result-cards{grid-template-columns:repeat(auto-fit,minmax(120px,1fr));margin:20px 0 0;text-align:center}
.epx-result-cards>div:nth-child(1) strong{color:var(--epx-success-strong)}
.epx-result-cards>div:nth-child(2) strong{color:var(--epx-danger-strong)}
.epx-result-cards>div:nth-child(3) strong{color:var(--epx-warning-strong)}
.epx-result-cards>div:nth-child(4) strong{color:#5a829c}
.epx-table-wrap{overflow:auto;border:1px solid var(--epx-border);border-radius:15px}
.epx-table{width:100%;border-collapse:collapse;background:var(--epx-card)}
.epx-table th,.epx-table td{padding:13px 14px;border-bottom:1px solid var(--epx-border);color:var(--epx-text);font-size:13px;text-align:left;white-space:nowrap}
.epx-table th{background:var(--epx-bg);color:var(--epx-muted);font-size:10px;font-weight:850;letter-spacing:.07em;text-transform:uppercase}
.epx-table tbody tr:last-child td{border-bottom:0}
.epx-table tbody tr:hover{background:var(--epx-primary-soft)}
.epx-review-card{padding:clamp(18px,3vw,28px)}
.epx-review-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:17px}
.epx-review-head h2{margin-bottom:4px}
.epx-review-head p{margin:0}
.epx-review-item{
  overflow:hidden;
  border:1px solid var(--epx-border);
  border-radius:16px;
  background:var(--epx-card);
  box-shadow:0 4px 14px rgba(67,58,105,.035);
}
.epx-review-item summary{min-width:0;padding:15px;display:grid;grid-template-columns:62px 90px minmax(0,1fr);gap:9px;align-items:center;cursor:pointer;list-style:none}
.epx-review-item summary::-webkit-details-marker{display:none}
.epx-review-item summary::after{justify-self:end;color:var(--epx-muted);content:"+";font-size:18px;font-weight:400}
.epx-review-item[open] summary::after{content:"−"}
.epx-review-item summary>span{color:var(--epx-primary2);font-size:12px;font-weight:850}
.epx-review-item summary strong{font-size:12px;text-transform:capitalize}
.epx-review-item summary small{min-width:0;overflow:hidden;color:var(--epx-muted);font-size:11px;text-overflow:ellipsis;white-space:nowrap}
.epx-review-item.epx-correct{border-left:4px solid #8bc39f}
.epx-review-item.epx-incorrect{border-left:4px solid #df8f95}
.epx-review-item.epx-unanswered{border-left:4px solid #dfba63}
.epx-review-item.epx-correct summary strong{color:var(--epx-success-strong)}
.epx-review-item.epx-incorrect summary strong{color:var(--epx-danger-strong)}
.epx-review-item.epx-unanswered summary strong{color:var(--epx-warning-strong)}
.epx-review-body{padding:18px;border-top:1px solid var(--epx-border);color:var(--epx-text)}
.epx-review-body .epx-question-text{margin-bottom:16px;font-size:16px}
.epx-review-option{display:grid;grid-template-columns:32px minmax(0,1fr);gap:9px;margin:7px 0;padding:10px;border:1px solid transparent;border-radius:11px;color:var(--epx-text);overflow-wrap:anywhere}
.epx-review-option>span{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--epx-bg);color:var(--epx-muted);font-size:11px;font-weight:850}
.epx-review-option.correct{border-color:#a9d8bb;background:var(--epx-success-soft)}
.epx-review-option.correct>span{background:#9acdaf;color:#244c37}
.epx-review-option.selected:not(.correct){border-color:#efb6b8;background:var(--epx-danger-soft)}
.epx-review-option.selected:not(.correct)>span{background:#e7a0a4;color:#6b343a}
.epx-review-option.selected.correct{box-shadow:inset 3px 0 0 var(--epx-success)}
.epx-explanation{margin-top:17px;padding:15px;border:1px solid #d9e8ee;border-radius:14px;background:var(--epx-blue-soft);color:var(--epx-text)}
.epx-explanation>strong{display:block;margin-bottom:6px;color:#5a829c}

/* Result question map: the status is visible before a question is opened. */
.epx-review-layout{display:grid;grid-template-columns:minmax(214px,248px) minmax(0,1fr);gap:20px;align-items:start}
.epx-review-nav{
  position:sticky;
  top:18px;
  min-width:0;
  padding:15px;
  border:1px solid var(--epx-border);
  border-radius:18px;
  background:var(--epx-bg);
  box-shadow:var(--epx-shadow-soft);
}
.epx-review-nav-toggle{
  width:100%;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto 18px;
  align-items:center;
  gap:7px;
  padding:4px;
  border:0;
  background:transparent;
  color:var(--epx-text);
  cursor:pointer;
  font:inherit;
  font-size:13px;
  font-weight:850;
  text-align:left;
}
.epx-review-nav-toggle small{color:var(--epx-muted);font-size:11px;font-weight:700;white-space:nowrap}
.epx-review-nav-toggle>span:last-child{color:var(--epx-primary);font-size:20px;line-height:1;text-align:center}
.epx-review-nav-body{margin-top:13px}
.epx-review-nav .epx-review-filters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%;margin-bottom:13px}
.epx-review-filters{
  display:flex;
  align-items:center;
  gap:6px;
  flex-wrap:wrap;
  padding:5px;
  border:1px solid var(--epx-border);
  border-radius:14px;
  background:var(--epx-card);
}
.epx-review-filter{
  appearance:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  min-width:0;
  padding:8px 9px;
  border:1px solid transparent;
  border-radius:10px;
  background:transparent;
  color:var(--epx-muted);
  cursor:pointer;
  font:inherit;
  font-size:11px;
  font-weight:850;
}
.epx-review-filter span{min-width:20px;padding:2px 6px;border-radius:999px;background:var(--epx-primary-soft);color:var(--epx-primary2);text-align:center}
.epx-review-filter[data-review-filter="correct"] span{background:var(--epx-success-soft);color:var(--epx-success-strong)}
.epx-review-filter[data-review-filter="incorrect"] span{background:var(--epx-danger-soft);color:var(--epx-danger-strong)}
.epx-review-filter[data-review-filter="unanswered"] span{background:var(--epx-warning-soft);color:var(--epx-warning-strong)}
.epx-review-filter.is-active{border-color:#ded8ee;background:var(--epx-primary-soft);color:var(--epx-primary2);box-shadow:none}
.epx-review-bubbles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;max-height:360px;overflow:auto;padding:4px}
.epx-review-bubble{
  aspect-ratio:1;
  min-width:38px;
  border:2px solid transparent;
  border-radius:50%;
  cursor:pointer;
  font:inherit;
  font-size:12px;
  font-weight:900;
  transition:transform .16s ease,box-shadow .16s ease,filter .16s ease;
}
.epx-review-bubble:hover{transform:translateY(-1px);filter:saturate(1.05);box-shadow:0 5px 12px rgba(67,58,105,.13)}
.epx-review-bubble.epx-bubble-correct{border-color:#86c89f;background:#a9d8bb;color:#214c36}
.epx-review-bubble.epx-bubble-incorrect{border-color:#df8f95;background:#efb6b8;color:#6b343a}
.epx-review-bubble.epx-bubble-unanswered{border-color:#dfba63;background:#f1d58e;color:#684b12}
.epx-review-bubble.is-active{border-color:var(--epx-primary);box-shadow:0 0 0 3px rgba(129,114,193,.27),0 5px 12px rgba(67,58,105,.13);transform:translateY(-1px)}
.epx-review-bubble[hidden]{display:none}
.epx-review-legend{display:grid;gap:7px;margin-top:13px;color:var(--epx-muted);font-size:11px}
.epx-review-legend span{display:flex;align-items:center;gap:7px}
.epx-review-legend i{display:inline-block;width:11px;height:11px;border-radius:4px}
.epx-review-legend .epx-legend-correct{background:#a9d8bb}
.epx-review-legend .epx-legend-wrong{background:#efb6b8}
.epx-review-legend .epx-legend-skipped{background:#f1d58e}
.epx-review-content{min-width:0}
.epx-review-item{scroll-margin-top:26px}
.epx-review-empty{margin:18px 0 0;padding:17px;border:1px dashed var(--epx-border);border-radius:14px;color:var(--epx-muted);text-align:center}
.epx-review-bubble:focus-visible,.epx-review-filter:focus-visible,.epx-review-nav-toggle:focus-visible{outline:3px solid rgba(129,114,193,.32);outline-offset:2px}
.epx-btn:focus-visible,.epx-google-btn:focus-visible,.epx-icon-btn:focus-visible,.epx-option:focus-visible,.epx-qdot:focus-visible{outline:3px solid rgba(129,114,193,.32);outline-offset:2px}

@media(max-width:900px){
  .epx-shell{padding:16px}
  .epx-page.epx-wide{max-width:760px}
  .epx-exam-grid{grid-template-columns:1fr;gap:14px}
  .epx-question-panel{min-height:0}
  .epx-palette-panel{
    position:fixed;
    top:auto;
    right:12px;
    bottom:max(12px,env(safe-area-inset-bottom));
    left:12px;
    z-index:200;
    max-height:72vh;
    overflow:auto;
    transform:translateY(calc(100% + 34px));
    transition:transform .22s ease;
  }
  .epx-palette-panel.epx-mobile-open{transform:translateY(0)}
  .epx-mobile-palette{display:block;position:sticky;bottom:8px;z-index:100;margin-top:12px;text-align:center}
  .epx-mobile-palette .epx-btn{width:100%;box-shadow:0 10px 24px rgba(67,58,105,.13)}
  .epx-review-layout{grid-template-columns:1fr;gap:13px}
  .epx-review-nav{position:static}
  .epx-review-nav-body{display:none}
  .epx-review-nav.is-open .epx-review-nav-body{display:block}
  .epx-review-bubbles{grid-template-columns:repeat(auto-fill,minmax(38px,1fr));max-height:235px}
}
@media(max-width:640px){
  .epx-shell{padding:10px}
  .epx-public-header{padding-bottom:14px}
  .epx-brand-mark{width:40px;height:40px;flex-basis:40px;border-radius:13px}
  .epx-brand strong{max-width:28ch;font-size:14px}
  .epx-brand small{display:none}
  .epx-card{padding:18px;margin-bottom:14px;border-radius:19px}
  .epx-auth-card{margin:20px auto}
  .epx-btn,.epx-google-btn{min-height:46px}
  .epx-field input,.epx-field select{min-height:46px}
  .epx-exam-topbar{top:5px;flex-wrap:wrap;align-items:center;padding:9px 10px;border-radius:16px}
  .epx-exam-title{flex:1 1 130px}
  .epx-exam-title strong{max-width:100%;font-size:13px}
  .epx-top-actions{flex:0 1 auto;max-width:100%}
  .epx-top-actions .epx-icon-btn{display:none}
  .epx-top-actions #epx-fullscreen{display:inline-grid!important}
  .epx-timer{min-width:88px;padding:9px 10px;font-size:13px}
  .epx-exam-progress{margin-bottom:14px}
  .epx-question-panel,.epx-palette-panel{padding:16px;border-radius:18px}
  .epx-question-meta{margin-bottom:18px}
  .epx-question-text{font-size:1.16rem}
  .epx-option{min-height:58px;padding:11px 12px}
  .epx-question-tools,.epx-nav-row{gap:8px;flex-wrap:wrap}
  .epx-question-tools .epx-btn,.epx-nav-row .epx-btn{flex:1;min-width:120px}
  .epx-info-grid,.epx-receipt-grid{grid-template-columns:1fr}
  .epx-result-hero{padding:22px 16px;border-radius:19px}
  .epx-result-hero .epx-kicker{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .epx-score-circle{width:132px;height:132px;border-width:8px;margin:16px auto}
  .epx-score-circle strong{font-size:32px}
  .epx-result-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:15px}
  .epx-result-cards>div{padding:12px 8px}
  .epx-result-cards strong{font-size:15px}
  .epx-result-cards span{font-size:10px}
  .epx-table-wrap{overflow:visible;border:0}
  .epx-table{display:block}
  .epx-table thead{display:none}
  .epx-table tbody{display:grid;gap:9px}
  .epx-table tr{display:block;padding:8px 12px;border:1px solid var(--epx-border);border-radius:14px;background:var(--epx-bg)}
  .epx-table td{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:8px 0;border-bottom:1px solid var(--epx-border);white-space:normal;text-align:right;overflow-wrap:anywhere}
  .epx-table td:last-child{border-bottom:0}
  .epx-table td::before{content:attr(data-label);flex:0 0 auto;color:var(--epx-muted);font-size:10px;font-weight:850;letter-spacing:.05em;text-align:left;text-transform:uppercase}
  .epx-table td:first-child{font-weight:750}
  .epx-review-card{padding:16px}
  .epx-review-head{gap:11px}
  .epx-review-filters{width:100%;display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
  .epx-review-filter{padding:8px 4px}
  .epx-review-filter span{display:none}
  .epx-review-item summary{grid-template-columns:42px minmax(58px,auto) minmax(0,1fr);gap:7px;padding:13px 10px}
  .epx-review-body{padding:14px}
  .epx-modal-backdrop{padding:12px}
  .epx-modal{padding:20px;border-radius:19px}
  .epx-modal-actions{flex-direction:column}
  .epx-modal-actions .epx-btn{width:100%}
}
@media(max-width:400px){
  .epx-shell{padding:7px}
  .epx-card{padding:15px}
  .epx-result-hero h1{font-size:1.6rem}
  .epx-exam-title{flex-basis:100%}
  .epx-top-actions{width:100%;justify-content:space-between}
  .epx-top-actions .epx-btn-danger{flex:1}
  .epx-review-filters{grid-template-columns:repeat(2,minmax(0,1fr))}
  .epx-review-nav{padding:12px}
  .epx-review-nav .epx-review-filters{grid-template-columns:repeat(2,minmax(0,1fr))}
  .epx-review-bubbles{grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}
}
@media(prefers-reduced-motion:reduce){
  .epx-shell *,.epx-shell *::before,.epx-shell *::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}
}

/* Digital report layout: compact on small screens, horizontal where data is dense. */
.epx-report-cover-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;text-align:left}
.epx-report-cover-head h1{margin:8px 0 6px}
.epx-report-cover-head p{margin:0;color:var(--epx-muted);font-size:13px}
.epx-report-cover-head p strong{color:var(--epx-text)}
.epx-report-stamp{flex:0 0 auto;min-width:145px;padding:11px 13px;border:1px solid #dfd9f1;border-radius:14px;background:var(--epx-card);text-align:right}
.epx-report-stamp span{display:block;color:var(--epx-muted);font-size:10px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.epx-report-stamp strong{display:block;margin-top:3px;color:var(--epx-primary2);font-size:12px}
.epx-report-overview{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.epx-report-panel{height:100%;margin:0}
.epx-report-section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:18px}
.epx-report-section-head h2{margin:5px 0 0}
.epx-report-section-head p{margin:5px 0 0}
.epx-report-badge{display:inline-flex;align-items:center;flex:0 0 auto;min-height:27px;padding:5px 9px;border:1px solid #dfd9f1;border-radius:999px;background:var(--epx-primary-soft);color:var(--epx-primary2);font-size:10px;font-weight:850;white-space:nowrap}
.epx-report-badge-blue{border-color:#d8e9f0;background:var(--epx-blue-soft);color:#5a829c}
.epx-report-meter-list{display:grid;gap:15px}
.epx-report-meter>div:first-child{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:7px;color:var(--epx-muted);font-size:12px}
.epx-report-meter>div:first-child strong{color:var(--epx-text);font-size:12px}
.epx-report-track{height:9px;overflow:hidden;border-radius:999px;background:var(--epx-bg)}
.epx-report-track i{display:block;width:0;height:100%;border-radius:inherit}
.epx-report-meter-success .epx-report-track i{background:#9acdaf}
.epx-report-meter-danger .epx-report-track i{background:#e7a0a4}
.epx-report-meter-warning .epx-report-track i{background:#e6c97f}
.epx-report-insight-copy{min-height:48px;margin:0 0 17px;color:var(--epx-text)!important;font-size:14px;line-height:1.6}
.epx-report-metric-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.epx-report-metric{min-width:0;padding:11px;border:1px solid var(--epx-border);border-radius:14px;background:var(--epx-bg)}
.epx-report-metric span,.epx-report-metric small{display:block;color:var(--epx-muted);font-size:10px}
.epx-report-metric strong{display:block;margin:5px 0;color:var(--epx-text);font-size:17px;overflow-wrap:anywhere}
.epx-report-metric-blue{border-color:#d8e9f0;background:var(--epx-blue-soft)}
.epx-report-metric-purple,.epx-report-metric-lavender{border-color:#dfd9f1;background:var(--epx-primary-soft)}
.epx-report-card{margin:0}
.epx-report-table-wrap{max-width:100%;overflow-x:auto;border:1px solid var(--epx-border);border-radius:15px;background:var(--epx-card)}
.epx-report-table{width:100%;min-width:820px;border-collapse:collapse;background:var(--epx-card)}
.epx-report-table th,.epx-report-table td{padding:12px 13px;border-bottom:1px solid var(--epx-border);color:var(--epx-text);font-size:12px;text-align:left;vertical-align:middle;white-space:nowrap}
.epx-report-table th{background:var(--epx-bg);color:var(--epx-muted);font-size:10px;font-weight:850;letter-spacing:.06em;text-transform:uppercase}
.epx-report-table tbody tr:last-child td{border-bottom:0}
.epx-report-table tbody tr:hover{background:var(--epx-primary-soft)}
.epx-report-table td:first-child{min-width:170px}
.epx-report-name{display:grid;gap:3px}
.epx-report-name strong{color:var(--epx-text);font-size:12px;white-space:normal}
.epx-report-name small{color:var(--epx-muted);font-size:10px}
.epx-report-positive{color:var(--epx-success-strong)!important;font-weight:850}
.epx-report-negative{color:var(--epx-danger-strong)!important;font-weight:850}
.epx-report-warning{color:var(--epx-warning-strong)!important;font-weight:850}
.epx-table-progress{display:grid;grid-template-columns:auto 70px;align-items:center;gap:8px}
.epx-table-progress>span{font-weight:800}
.epx-table-progress>i{display:block;height:6px;overflow:hidden;border-radius:999px;background:var(--epx-bg)}
.epx-table-progress>i>b{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#9acdaf,#a99cdf)}
.epx-report-empty-cell{padding:24px!important;color:var(--epx-muted)!important;text-align:center!important}

/* One-question review reader. Only the selected question is visible. */
.epx-review-stage{min-height:360px}
.epx-review-item[hidden]{display:none!important}
.epx-review-question-head{display:grid;grid-template-columns:auto auto minmax(0,1fr);align-items:center;gap:9px;padding:17px 18px;border-bottom:1px solid var(--epx-border);background:var(--epx-bg)}
.epx-review-question-number{color:var(--epx-primary2);font-size:13px;font-weight:900}
.epx-review-status{display:inline-flex;align-items:center;justify-content:center;min-height:25px;padding:4px 9px;border-radius:999px;font-size:10px;font-weight:900;white-space:nowrap}
.epx-review-status-correct{background:var(--epx-success-soft);color:var(--epx-success-strong)}
.epx-review-status-incorrect{background:var(--epx-danger-soft);color:var(--epx-danger-strong)}
.epx-review-status-unanswered{background:var(--epx-warning-soft);color:var(--epx-warning-strong)}
.epx-review-question-head small{min-width:0;overflow:hidden;color:var(--epx-muted);font-size:11px;text-overflow:ellipsis;white-space:nowrap}
.epx-review-image{display:block;max-width:100%;height:auto;margin:0 0 17px;border:1px solid var(--epx-border);border-radius:14px}
.epx-review-option-text{overflow-wrap:anywhere}
.epx-review-option-image{display:block;max-width:100%;height:auto;margin-top:8px;border-radius:10px}
.epx-option-marker{display:inline-flex;margin-top:7px;padding:3px 7px;border-radius:999px;font-size:10px;font-style:normal;font-weight:850}
.epx-option-marker-success{background:var(--epx-success-soft);color:var(--epx-success-strong)}
.epx-option-marker-danger{background:var(--epx-danger-soft);color:var(--epx-danger-strong)}
.epx-review-pager{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;margin-top:16px;padding-top:16px;border-top:1px solid var(--epx-border)}
.epx-review-pager .epx-btn:first-child{justify-self:start}
.epx-review-pager .epx-btn:last-child{justify-self:end}
.epx-review-position{color:var(--epx-muted);font-size:11px;font-weight:850;text-align:center}

/* Keep the fullscreen submit layer above the exam surface. The dialog is
 * mounted inside #epx-exam-app by the script so it remains in fullscreen. */
#epx-exam-app .epx-modal-backdrop{z-index:2147483647}

@media(max-width:900px){
  .epx-report-overview{grid-template-columns:1fr}
}
@media(max-width:640px){
  .epx-report-cover-head{flex-direction:column;gap:13px}
  .epx-report-stamp{align-self:flex-start;text-align:left}
  .epx-report-section-head{gap:9px}
  .epx-report-section-head h2{font-size:1.12rem}
  .epx-report-card{padding:16px}
  .epx-report-table-wrap{border-radius:13px}
  .epx-report-table{min-width:760px}
  .epx-report-table th,.epx-report-table td{padding:10px 9px;font-size:10px}
  .epx-report-table th{font-size:9px}
  .epx-report-table td:first-child{min-width:150px}
  .epx-table-progress{grid-template-columns:auto 52px;gap:5px}
  .epx-table-progress>i{height:5px}
  .epx-review-question-head{grid-template-columns:auto auto;gap:7px;padding:14px}
  .epx-review-question-head small{grid-column:1/-1}
  .epx-review-pager{gap:7px}
  .epx-review-pager .epx-btn{min-width:0;padding:10px 8px;font-size:11px}
  .epx-review-position{font-size:10px}
}
@media(max-width:400px){
  .epx-report-metric-grid{gap:6px}
  .epx-report-metric{padding:9px 7px}
  .epx-report-metric strong{font-size:14px}
  .epx-report-metric span,.epx-report-metric small{font-size:9px}
  .epx-review-pager .epx-btn{padding-inline:6px}
}

/* Compact subject/chapter breakdown rows: keep the report readable without horizontal scrolling. */
.epx-report-table-wrap{overflow:visible;border:0;background:transparent}
.epx-report-area-list{display:grid;gap:10px}
.epx-report-area-row{display:grid;grid-template-columns:minmax(180px,1.25fr) minmax(94px,.55fr) minmax(170px,1fr) auto;align-items:center;gap:14px;padding:14px;border:1px solid var(--epx-border);border-radius:16px;background:var(--epx-card);box-shadow:0 4px 14px rgba(67,58,105,.035)}
.epx-report-area-name{min-width:0;display:grid;gap:4px}
.epx-report-area-name strong{min-width:0;color:var(--epx-text);font-size:13px;overflow-wrap:anywhere}
.epx-report-area-name small{color:var(--epx-muted);font-size:10px}
.epx-report-area-score{min-width:0;padding:9px 10px;border:1px solid #dfd9f1;border-radius:13px;background:var(--epx-primary-soft);text-align:center}
.epx-report-area-score span{display:block;color:var(--epx-muted);font-size:9px;font-weight:850;letter-spacing:.06em;text-transform:uppercase}
.epx-report-area-score strong{display:block;margin-top:3px;color:var(--epx-primary2);font-size:17px;line-height:1.1;white-space:nowrap}
.epx-report-area-efficiency{min-width:0}
.epx-report-area-efficiency-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px;color:var(--epx-muted);font-size:11px}
.epx-report-area-efficiency-head strong{color:var(--epx-text);font-size:12px}
.epx-report-area-efficiency>.epx-report-track{height:8px}
.epx-report-area-efficiency>small{display:block;margin-top:5px;color:var(--epx-muted);font-size:10px}
.epx-report-statuses{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}
.epx-report-status{display:inline-flex;align-items:center;min-height:25px;padding:5px 8px;border-radius:999px;font-size:10px;font-weight:850;white-space:nowrap}
.epx-report-status-positive{background:var(--epx-success-soft);color:var(--epx-success-strong)}
.epx-report-status-negative{background:var(--epx-danger-soft);color:var(--epx-danger-strong)}
.epx-report-status-warning{background:var(--epx-warning-soft);color:var(--epx-warning-strong)}
.epx-report-empty-cell{padding:22px;border:1px dashed var(--epx-border);border-radius:14px;color:var(--epx-muted);text-align:center}
@media(max-width:900px){
  .epx-report-area-row{grid-template-columns:minmax(0,1fr) auto;gap:10px}
  .epx-report-area-efficiency{grid-column:1/-1}
  .epx-report-statuses{grid-column:1/-1;justify-content:flex-start}
}
@media(max-width:640px){
  .epx-report-area-row{padding:12px;border-radius:14px}
  .epx-report-area-name strong{font-size:12px}
  .epx-report-area-name small{font-size:9px}
  .epx-report-area-score{min-width:82px;padding:8px 7px}
  .epx-report-area-score strong{font-size:15px}
  .epx-report-area-efficiency-head{font-size:10px}
  .epx-report-status{font-size:9px;padding:5px 7px}
}
@media(max-width:400px){
  .epx-report-area-row{gap:8px}
  .epx-report-area-score{min-width:76px}
  .epx-report-statuses{gap:4px}
}

/* Keep long subject/chapter reports compact: collapsible panels, search and dense rows. */
.epx-breakdown-details{padding:0;overflow:hidden}
.epx-breakdown-summary{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:20px 22px;cursor:pointer;list-style:none}
.epx-breakdown-summary::-webkit-details-marker{display:none}
.epx-breakdown-summary-main{min-width:0}
.epx-breakdown-summary-main h2{margin:4px 0 0}
.epx-breakdown-summary-main p{margin:5px 0 0}
.epx-breakdown-summary-meta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.epx-breakdown-chevron{display:grid;place-items:center;width:28px;height:28px;border:1px solid var(--epx-border);border-radius:50%;color:var(--epx-primary2);font-size:17px;line-height:1;transition:transform .18s ease}
.epx-breakdown-details[open] .epx-breakdown-chevron{transform:rotate(180deg)}
.epx-breakdown-body{padding:0 22px 20px;border-top:1px solid var(--epx-border)}
.epx-breakdown-toolbar{display:flex;align-items:center;gap:9px;flex-wrap:wrap;padding:13px 0 12px}
.epx-breakdown-search{display:block;min-width:200px;flex:1}
.epx-breakdown-search input,.epx-breakdown-size select{width:100%;min-height:38px;border:1px solid var(--epx-border);border-radius:10px;background:var(--epx-card);color:var(--epx-text);padding:8px 10px;font:inherit;font-size:12px}
.epx-breakdown-size{display:flex;align-items:center;gap:6px;color:var(--epx-muted);font-size:11px;white-space:nowrap}
.epx-breakdown-size select{width:auto;min-width:58px;padding-inline:8px}
.epx-breakdown-count{color:var(--epx-muted);font-size:11px;font-weight:750;white-space:nowrap}
.epx-breakdown-pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:12px}
.epx-breakdown-pager[hidden],.epx-breakdown-toolbar[hidden]{display:none}
.epx-breakdown-pager .epx-btn{min-height:36px;padding:8px 12px;font-size:11px}
.epx-breakdown-pager [data-report-page]{min-width:84px;color:var(--epx-muted);font-size:11px;text-align:center}
.epx-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:640px){
  .epx-breakdown-summary{align-items:flex-start;padding:16px 14px;gap:10px}
  .epx-breakdown-summary-main h2{font-size:1.04rem}
  .epx-breakdown-summary-main p{font-size:11px}
  .epx-breakdown-summary-meta{gap:6px}
  .epx-breakdown-summary-meta .epx-report-badge{padding:5px 7px;font-size:9px}
  .epx-breakdown-chevron{width:25px;height:25px;font-size:15px}
  .epx-breakdown-body{padding:0 14px 14px}
  .epx-breakdown-toolbar{align-items:stretch}
  .epx-breakdown-search{min-width:100%;flex-basis:100%}
  .epx-breakdown-size{margin-right:auto}
}
@media(max-width:400px){
  .epx-breakdown-summary-main p{display:none}
  .epx-breakdown-summary{padding:14px 12px}
  .epx-breakdown-body{padding-inline:12px}
  .epx-breakdown-count{font-size:10px}
}

/* Dense chapter-profile layout: two compact columns on desktop, one readable column on phones. */
.epx-breakdown-details{padding:0;overflow:hidden}
.epx-breakdown-summary{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 22px;cursor:pointer;list-style:none}
.epx-breakdown-summary::-webkit-details-marker{display:none}
.epx-breakdown-summary-main{min-width:0}
.epx-breakdown-summary-main h2{margin:3px 0 0}
.epx-breakdown-summary-main p{margin:4px 0 0}
.epx-breakdown-summary-meta{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.epx-breakdown-chevron{display:grid;place-items:center;width:26px;height:26px;border:1px solid var(--epx-border);border-radius:50%;color:var(--epx-primary2);font-size:16px;line-height:1;transition:transform .18s ease}
.epx-breakdown-details[open] .epx-breakdown-chevron{transform:rotate(180deg)}
.epx-breakdown-body{padding:0 22px 18px;border-top:1px solid var(--epx-border)}
.epx-breakdown-toolbar{display:flex;align-items:center;gap:9px;padding:10px 0}
.epx-breakdown-search{display:block;min-width:220px;flex:1}
.epx-breakdown-search input{width:100%;min-height:34px;border:1px solid var(--epx-border);border-radius:8px;background:var(--epx-card);color:var(--epx-text);padding:6px 9px;font:inherit;font-size:11px}
.epx-breakdown-count{color:var(--epx-muted);font-size:10px;font-weight:800;white-space:nowrap}
.epx-report-compact-legend{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:0 0 8px;color:var(--epx-muted);font-size:9px}
.epx-report-compact-legend span{display:inline-flex;align-items:center;gap:4px;white-space:nowrap}
.epx-report-compact-legend i{display:inline-block;width:7px;height:7px;border-radius:50%}
.epx-legend-profile-positive{background:var(--epx-success)}
.epx-legend-profile-warning{background:var(--epx-warning)}
.epx-legend-profile-negative{background:var(--epx-danger)}
.epx-report-table-wrap{overflow:visible;border:0;border-radius:0;background:transparent}
.epx-report-compact-table{width:100%;overflow:hidden;border:1px solid var(--epx-border);border-radius:9px;background:var(--epx-card)}
.epx-report-compact-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.epx-report-compact-columns.single,.epx-report-compact-table.epx-report-filtered-single .epx-report-compact-columns{grid-template-columns:1fr}
.epx-report-compact-column[hidden]{display:none}
.epx-report-compact-column+.epx-report-compact-column{border-left:1px solid var(--epx-border)}
.epx-report-compact-column{min-width:0}
.epx-report-compact-head,.epx-report-compact-row{display:grid;align-items:center}
.epx-report-compact-table-chapter .epx-report-compact-head,.epx-report-row-chapter{grid-template-columns:minmax(58px,.24fr) minmax(0,1.6fr) minmax(62px,.3fr) minmax(44px,.2fr)}
.epx-report-compact-table-subject .epx-report-compact-head,.epx-report-row-subject{grid-template-columns:minmax(0,1fr) minmax(70px,.35fr) minmax(45px,.22fr)}
.epx-report-compact-head{min-height:28px;padding:0 8px;background:linear-gradient(135deg,#8b5f9f,#665da4);color:#fff;font-size:8px;font-weight:900;letter-spacing:.05em;text-transform:uppercase}
.epx-report-compact-row{min-height:29px;padding:0 8px;border-top:1px solid var(--epx-border);color:var(--epx-text);font-size:10px}
.epx-report-compact-row:nth-child(even){background:rgba(129,114,193,.035)}
.epx-report-compact-row:hover{background:var(--epx-primary-soft)}
.epx-report-compact-row[hidden]{display:none}
.epx-report-compact-row>span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.epx-report-compact-subject{color:var(--epx-danger-strong);font-size:9px;font-weight:900;letter-spacing:.02em;text-transform:uppercase}
.epx-report-compact-name{padding-right:5px}
.epx-report-compact-score,.epx-report-compact-percent{text-align:right;font-variant-numeric:tabular-nums}
.epx-report-compact-score strong{font-size:10px;font-weight:750;white-space:nowrap}
.epx-report-compact-percent strong{font-size:10px;font-weight:900}
.epx-report-percent-positive{color:var(--epx-success-strong)}
.epx-report-percent-warning{color:var(--epx-warning-strong)}
.epx-report-percent-negative{color:var(--epx-danger-strong)}
.epx-report-compact-skip{margin-left:3px;color:var(--epx-warning-strong);font-size:8px;font-weight:800}
.epx-report-empty-cell{padding:16px;border:1px dashed var(--epx-border);border-radius:9px;color:var(--epx-muted);font-size:11px;text-align:center}
.epx-report-empty-cell[hidden]{display:none}
@media(max-width:640px){
  .epx-breakdown-summary{align-items:flex-start;padding:14px 12px;gap:9px}
  .epx-breakdown-summary-main h2{font-size:1.03rem}
  .epx-breakdown-summary-main p{font-size:10px}
  .epx-breakdown-summary-meta{gap:5px}
  .epx-breakdown-summary-meta .epx-report-badge{min-height:24px;padding:4px 6px;font-size:8px}
  .epx-breakdown-chevron{width:23px;height:23px;font-size:14px}
  .epx-breakdown-body{padding:0 12px 12px}
  .epx-breakdown-toolbar{gap:6px;padding:8px 0}
  .epx-breakdown-search{min-width:100%}
  .epx-breakdown-search input{min-height:32px;font-size:10px}
  .epx-breakdown-count{font-size:9px}
  .epx-report-compact-legend{gap:8px;margin-bottom:6px;font-size:8px}
  .epx-report-compact-columns{grid-template-columns:1fr}
  .epx-report-compact-column+.epx-report-compact-column{border-top:1px solid var(--epx-border);border-left:0}
  .epx-report-compact-table-chapter .epx-report-compact-head,.epx-report-row-chapter{grid-template-columns:minmax(40px,.22fr) minmax(0,1fr) minmax(50px,.28fr) minmax(36px,.2fr)}
  .epx-report-compact-table-subject .epx-report-compact-head,.epx-report-row-subject{grid-template-columns:minmax(0,1fr) minmax(52px,.32fr) minmax(38px,.22fr)}
  .epx-report-compact-head{min-height:25px;padding:0 5px;font-size:7px}
  .epx-report-compact-row{min-height:26px;padding:0 5px;font-size:9px}
  .epx-report-compact-subject{font-size:8px}
  .epx-report-compact-score strong,.epx-report-compact-percent strong{font-size:9px}
  .epx-report-compact-skip{font-size:7px}
}
@media(max-width:400px){
  .epx-breakdown-summary-main p{display:none}
  .epx-breakdown-summary{padding:12px 10px}
  .epx-breakdown-body{padding-inline:10px}
  .epx-report-compact-head{font-size:6.5px}
  .epx-report-compact-row{min-height:24px;font-size:8px}
  .epx-report-compact-subject{font-size:7px}
  .epx-report-compact-score strong,.epx-report-compact-percent strong{font-size:8px}
  .epx-report-compact-skip{font-size:6px}
}

/* Consistent controls and economical rendering across the student journey. */
#epx-exam-app [hidden]{display:none!important}
#epx-exam-app .epx-page{min-width:0}
#epx-exam-app .epx-result-jumps{position:sticky;top:8px;z-index:35;display:flex;gap:6px;padding:6px;background:var(--epx-card);border:1px solid var(--epx-border);border-radius:12px;box-shadow:0 3px 12px rgba(45,38,82,.06)}
#epx-exam-app .epx-result-jumps a{display:flex;align-items:center;justify-content:center;flex:1;min-height:38px;padding:7px 9px;font-size:12px;font-weight:750;text-decoration:none;color:var(--epx-primary2);border-radius:8px;background:var(--epx-primary-soft)}
#epx-exam-app [id^=epx-report-]{scroll-margin-top:76px}
#epx-exam-app .epx-btn,#epx-exam-app .epx-icon-btn{min-height:44px}
#epx-exam-app .epx-exam-topbar{backdrop-filter:none;background:var(--epx-card);box-shadow:0 3px 12px rgba(45,38,82,.06)}
#epx-exam-app .epx-question-panel{box-shadow:0 4px 18px rgba(45,38,82,.04)}
#epx-exam-app .epx-option{min-height:58px;box-shadow:none;line-height:1.5}
#epx-exam-app .epx-option.selected{box-shadow:inset 3px 0 0 var(--epx-primary);background:var(--epx-primary-soft)}
#epx-exam-app .epx-option:hover{transform:none}
#epx-exam-app .epx-option-text,#epx-exam-app .epx-question-text{min-width:0;overflow-wrap:anywhere}
#epx-exam-app .epx-palette-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:14px}
#epx-close-palette{display:none}
#epx-exam-app .epx-palette-panel .epx-field+.epx-field{margin-top:10px}
#epx-exam-app .epx-palette-empty{grid-column:1/-1;color:var(--epx-muted);font-size:12px}
#epx-sync-label{display:flex;align-items:center;gap:6px;line-height:1.4;margin-top:5px}
#epx-sync-label::before{content:'';flex:0 0 7px;height:7px;border-radius:50%;background:var(--epx-success)}
#epx-sync-label[data-state=pending]::before{background:var(--epx-warning)}
#epx-exam-app .epx-modal{max-height:calc(100dvh - 32px);overflow:auto;overscroll-behavior:contain}
#epx-exam-app .epx-modal h2{margin-bottom:8px;font-size:25px;letter-spacing:-.02em}
#epx-exam-app .epx-modal p{color:var(--epx-muted);line-height:1.6}
#epx-exam-app .epx-modal-actions{flex-wrap:wrap}
#epx-exam-app .epx-question-text img,#epx-exam-app .epx-option-text img{max-width:100%;height:auto}
#epx-exam-app .epx-review-stage{scroll-margin-top:100px;min-width:0}
#epx-exam-app .epx-review-position{font-variant-numeric:tabular-nums}
#epx-exam-app .epx-report-compact-name{white-space:normal;overflow-wrap:anywhere;padding-block:5px;line-height:1.35}
#epx-exam-app .epx-report-compact-percent{overflow:visible;white-space:normal;line-height:1.25}
#epx-exam-app .epx-report-compact-skip{display:block;margin-left:0}
#epx-exam-app .epx-breakdown-search input{font-size:16px}
#epx-exam-app .epx-palette,#epx-exam-app .epx-review-bubbles{overscroll-behavior:contain;scrollbar-width:thin}
#epx-exam-app :is(input,select,textarea,summary):focus-visible{outline:3px solid var(--epx-primary);outline-offset:3px}
@media(max-width:900px){
  #epx-close-palette{display:inline-grid;place-items:center}
  #epx-exam-app .epx-palette-panel{padding-bottom:max(16px,env(safe-area-inset-bottom));max-height:75dvh;visibility:hidden}
  #epx-exam-app .epx-palette-panel.epx-mobile-open{visibility:visible}
  #epx-exam-app .epx-mobile-palette{bottom:max(8px,env(safe-area-inset-bottom))}
  #epx-exam-app .epx-palette{grid-template-columns:repeat(auto-fill,minmax(38px,1fr));gap:8px}
  #epx-exam-app .epx-qdot{min-height:38px}
}
@media(max-width:640px){
  #epx-exam-app{padding:8px}
  #epx-exam-app .epx-field input,#epx-exam-app .epx-field select{font-size:16px}
  #epx-exam-app .epx-auth-card{margin:18px auto}
  #epx-exam-app .epx-question-text{font-size:17px;line-height:1.6}
  #epx-exam-app .epx-option-text{font-size:15px}
  #epx-exam-app .epx-exam-topbar{display:grid;grid-template-columns:1fr;gap:8px}
  #epx-exam-app .epx-exam-title strong{max-width:none;white-space:normal;font-size:14px}
  #epx-exam-app .epx-top-actions{justify-content:space-between;flex-wrap:nowrap}
  #epx-exam-app .epx-top-actions .epx-icon-btn{display:inline-grid;place-items:center}
  #epx-exam-app .epx-modal-backdrop{padding:10px}
  #epx-exam-app .epx-modal{padding:18px}
  #epx-exam-app .epx-modal-actions .epx-btn{flex:1}
  #epx-exam-app .epx-report-compact-row{font-size:9px;min-height:26px}
  #epx-exam-app .epx-report-compact-score strong,#epx-exam-app .epx-report-compact-percent strong{font-size:9px}
}
@media(prefers-reduced-motion:reduce){
  #epx-exam-app *,#epx-exam-app *::before,#epx-exam-app *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* Locked-answer exam rule: make the state obvious and keep the selected text readable. */
#epx-exam-app .epx-brand-logo{display:block;width:auto;max-width:min(230px,42vw);height:auto;max-height:58px;object-fit:contain;object-position:left center}
#epx-exam-app .epx-brand-fallback{display:flex;align-items:center;gap:9px}
#epx-exam-app .epx-answer-lock-warning{margin:0 0 16px;padding:11px 14px;border:1px solid #ead3a0;border-left:4px solid #d4a647;border-radius:10px;background:#fff8e9;color:#694d13;font-size:12px;line-height:1.55}
#epx-exam-app .epx-answer-lock-warning strong{font-weight:850}
#epx-exam-app .epx-option.selected .epx-option-text{color:var(--epx-text)!important}
#epx-exam-app .epx-option:disabled{cursor:not-allowed;opacity:1;transform:none}
#epx-exam-app .epx-option:disabled:not(.selected){background:var(--epx-bg);border-color:var(--epx-border);color:var(--epx-muted)}
#epx-exam-app .epx-option:disabled.selected{background:var(--epx-primary-soft);border-color:var(--epx-primary);box-shadow:inset 4px 0 0 var(--epx-primary)}
#epx-exam-app .epx-option:disabled.selected .epx-option-letter{background:var(--epx-primary);color:#fff}
#epx-exam-app .epx-qdot{background:#fff;color:var(--epx-text)}
#epx-exam-app .epx-qdot.answered:not(.review){border-color:#8bc39f;background:#9acdaf;color:#244c37}
#epx-exam-app .epx-qdot.review{outline:none;border-color:#d1a444;background:#f3d27a;color:#65470b;box-shadow:0 0 0 2px rgba(209,164,68,.2)}
#epx-exam-app .epx-qdot.current{box-shadow:0 0 0 3px rgba(129,114,193,.3);border-color:var(--epx-primary)}
#epx-exam-app .epx-legend i{background:#fff}
#epx-exam-app .epx-legend i.answered{border-color:#8bc39f;background:#9acdaf}
#epx-exam-app .epx-legend i.review{outline:none;border-color:#d1a444;background:#f3d27a}
#epx-exam-app .epx-stats>div:nth-child(3){border-color:#ead3a0;background:#fff8e9}
#epx-exam-app .epx-stats>div:nth-child(3) strong{color:#765416}
#epx-exam-app .epx-clear:disabled{opacity:.5;color:var(--epx-muted);background:var(--epx-bg)}
@media(max-width:640px){#epx-exam-app .epx-brand-logo{max-width:190px;max-height:48px}#epx-exam-app .epx-answer-lock-warning{font-size:11px;padding:10px 11px}}

/* Hard mobile containment: protect the exam from theme rules and long imported content. */
html.epx-has-exam-app,
html.epx-has-exam-app body{
  width:100%;
  max-width:100%;
  overflow-x:hidden!important;
}
#epx-exam-app,
#epx-exam-app .epx-shell,
#epx-exam-app .epx-page,
#epx-exam-app .epx-exam-wrap,
#epx-exam-app .epx-exam-topbar,
#epx-exam-app .epx-exam-grid,
#epx-exam-app .epx-question-panel,
#epx-exam-app .epx-palette-panel,
#epx-exam-app .epx-question-content,
#epx-exam-app .epx-options,
#epx-exam-app .epx-question-tools,
#epx-exam-app .epx-nav-row,
#epx-exam-app .epx-top-actions,
#epx-exam-app .epx-exam-title,
#epx-exam-app .epx-public-header,
#epx-exam-app .epx-brand{
  min-width:0;
  max-width:100%;
}
#epx-exam-app{
  width:100%;
  min-width:0;
  max-width:100%;
  overflow-x:hidden!important;
}
#epx-exam-app :where(.epx-option,.epx-btn,.epx-google-btn,.epx-icon-btn,.epx-qdot),
#epx-exam-app :where(input,select,textarea){
  min-width:0!important;
  max-width:100%;
}
#epx-exam-app .epx-option{
  width:100%;
  min-width:0!important;
  max-width:100%;
  overflow:hidden;
  white-space:normal!important;
}
#epx-exam-app .epx-option-text,
#epx-exam-app .epx-question-text,
#epx-exam-app .epx-question-content,
#epx-exam-app .epx-option :where(span,em,strong),
#epx-exam-app .epx-question-text :where(p,h1,h2,h3,h4,h5,h6,li,span,strong,em,a,code){
  min-width:0;
  max-width:100%;
  white-space:normal!important;
  overflow-wrap:anywhere!important;
  word-break:break-word;
}
#epx-exam-app .epx-option-text{
  display:block;
  width:100%;
  overflow-wrap:anywhere!important;
  word-break:break-word;
}
#epx-exam-app .epx-option img,
#epx-exam-app .epx-question-text img,
#epx-exam-app .epx-question-image,
#epx-exam-app video,
#epx-exam-app iframe,
#epx-exam-app svg,
#epx-exam-app canvas{
  display:block;
  max-width:100%;
  height:auto;
}
#epx-exam-app .epx-question-text :where(pre,table,blockquote){
  max-width:100%;
  overflow-x:auto;
}
#epx-exam-app .epx-option-text :where(p,h1,h2,h3,h4,h5,h6,li,span,strong,em,a,code,pre,table,blockquote){
  min-width:0;
  max-width:100%;
  white-space:normal!important;
  overflow-wrap:anywhere!important;
  word-break:break-word;
}
#epx-exam-app .epx-option-text :where(pre,table,blockquote){overflow-x:auto}
#epx-exam-app .epx-question-tools>* ,
#epx-exam-app .epx-nav-row>* ,
#epx-exam-app .epx-top-actions>*{
  min-width:0!important;
  max-width:100%;
}
#epx-exam-app .epx-btn,
#epx-exam-app .epx-google-btn{
  white-space:normal!important;
  overflow-wrap:anywhere;
  text-align:center;
}
#epx-exam-app .epx-palette-panel{
  width:auto;
  max-width:100%;
}
@media(max-width:900px){
  #epx-exam-app .epx-palette-panel{
    right:12px;
    left:12px;
    width:auto;
    max-width:calc(100vw - 24px);
  }
}
@media(max-width:400px){
  #epx-exam-app .epx-option{grid-template-columns:34px minmax(0,1fr);gap:8px;padding-inline:9px}
  #epx-exam-app .epx-option-letter{width:30px;height:30px}
  #epx-exam-app .epx-question-tools .epx-btn,
  #epx-exam-app .epx-nav-row .epx-btn{min-width:0!important;padding-inline:6px}
}

/* Font-independent navigation icons: do not rely on Unicode arrow glyphs. */
#epx-exam-app .epx-control-arrow{
  display:inline-block;
  flex:0 0 auto;
  width:8px;
  height:8px;
  border:solid currentColor;
  border-width:0 1.8px 1.8px 0;
  line-height:0;
}
#epx-exam-app .epx-control-arrow-left{transform:rotate(135deg)}
#epx-exam-app .epx-control-arrow-right{transform:rotate(-45deg)}
#epx-exam-app .epx-nav-row .epx-btn,
#epx-exam-app .epx-review-pager .epx-btn{gap:9px}
#epx-exam-app .epx-breakdown-chevron,
#epx-exam-app .epx-disclosure-chevron{
  position:relative;
  display:grid;
  place-items:center;
  flex:0 0 30px;
  width:30px;
  height:30px;
  min-width:30px;
  padding:0;
  border:1px solid var(--epx-border);
  border-radius:50%;
  color:var(--epx-primary2);
  font-size:0;
  line-height:0;
  background:var(--epx-card);
  box-sizing:border-box;
}
#epx-exam-app .epx-breakdown-chevron::before,
#epx-exam-app .epx-disclosure-chevron::before{
  display:block;
  width:7px;
  height:7px;
  border:solid currentColor;
  border-width:0 1.8px 1.8px 0;
  content:"";
  transform:translateY(-2px) rotate(45deg);
  transition:transform .18s ease;
}
#epx-exam-app .epx-breakdown-details[open] .epx-breakdown-chevron::before,
#epx-exam-app .epx-review-nav-toggle[aria-expanded="true"] .epx-disclosure-chevron::before{transform:translateY(2px) rotate(225deg)}
#epx-exam-app .epx-review-nav-toggle>span:last-child.epx-disclosure-chevron{color:var(--epx-primary2);font-size:0;line-height:0;text-align:center}
#epx-exam-app .epx-breakdown-chevron:hover,
#epx-exam-app .epx-disclosure-chevron:hover{border-color:var(--epx-primary);background:var(--epx-primary-soft)}
@media(max-width:640px){
  #epx-exam-app .epx-breakdown-chevron,
  #epx-exam-app .epx-disclosure-chevron{flex-basis:28px;width:28px;height:28px;min-width:28px}
}