.pva-shell{--pva-ink:#17351f;--pva-deep:#203f25;--pva-green:#4f7e33;--pva-leaf:#79a94a;--pva-lime:#c5e991;--pva-mint:#dff0e5;--pva-cream:#f7f8f2;--pva-paper:#fff;--pva-line:#dce5d8;--pva-muted:#66736a;position:relative;isolation:isolate;width:100%;max-width:1500px;margin:0 auto;padding:clamp(24px,4vw,64px);color:var(--pva-ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:linear-gradient(135deg,#fff 0%,#fbfcf7 52%,#eff5e8 100%);border:1px solid rgba(44,77,42,.12);border-radius:34px;box-shadow:0 28px 80px rgba(30,58,30,.09);overflow:hidden}.pva-shell *{box-sizing:border-box}.pva-shell a{color:inherit}.pva-eyebrow{display:flex;align-items:center;gap:12px;font-size:12px;font-weight:800;letter-spacing:.12em;color:#58705a}.pva-eyebrow span{display:inline-grid;place-items:center;width:36px;height:36px;border:1px solid #cfe1c6;border-radius:12px;background:rgba(255,255,255,.8);color:var(--pva-green)}.pva-button{appearance:none;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 24px;border:1px solid var(--pva-green);border-radius:15px;background:var(--pva-green);color:#fff!important;font:inherit;font-weight:750;text-decoration:none!important;cursor:pointer;box-shadow:0 12px 28px rgba(65,109,48,.18);transition:transform .22s ease,box-shadow .22s ease,background .22s ease}.pva-button:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(65,109,48,.25)}.pva-button:disabled{opacity:.45;cursor:not-allowed;transform:none}.pva-button--light{background:var(--pva-lime);border-color:var(--pva-lime);color:#213d26!important}.pva-button--ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff!important;box-shadow:none}.pva-button--ghost-dark{background:#fff;border-color:#cad9c7;color:var(--pva-deep)!important;box-shadow:none}.pva-loader,.pva-state{min-height:440px;display:grid;place-items:center;align-content:center;text-align:center;gap:14px}.pva-loader i{width:50px;height:50px;border:3px solid #d9e5d5;border-top-color:var(--pva-green);border-radius:50%;animation:pva-spin .8s linear infinite}.pva-loader p,.pva-state p{color:var(--pva-muted);font-size:16px}.pva-state span{display:grid;place-items:center;width:54px;height:54px;border-radius:50%;background:#f8e8df;color:#a54e2f;font-size:24px;font-weight:900}.pva-state h2{margin:8px 0 0;font-size:clamp(24px,3vw,38px)}
@keyframes pva-spin{to{transform:rotate(360deg)}}
.pva-orb{position:absolute;z-index:-1;border-radius:50%;filter:blur(2px);opacity:.65;animation:pva-float 8s ease-in-out infinite}.pva-orb--one{width:420px;height:420px;right:-190px;top:-210px;background:radial-gradient(circle,#d6edbe 0%,rgba(214,237,190,0) 70%)}.pva-orb--two{width:320px;height:320px;left:-180px;bottom:-180px;background:radial-gradient(circle,#e8f0dd 0%,rgba(232,240,221,0) 70%);animation-delay:-3s}@keyframes pva-float{50%{transform:translate3d(0,18px,0) scale(1.04)}}
.pva-portal__hero{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:end;margin:32px 0 42px}.pva-portal__hero h1,.pva-workspace-head h1,.pva-results__head h1{max-width:900px;margin:0 0 18px;font-size:clamp(42px,6vw,86px);line-height:.96;letter-spacing:-.055em;color:var(--pva-deep)}.pva-portal__hero p,.pva-workspace-head p,.pva-results__head p{max-width:780px;margin:0;color:var(--pva-muted);font-size:clamp(16px,2vw,20px);line-height:1.7}.pva-mini-stats{display:flex;gap:12px}.pva-mini-stats div{min-width:132px;padding:18px;border:1px solid var(--pva-line);border-radius:18px;background:rgba(255,255,255,.75)}.pva-mini-stats strong{display:block;font-size:28px}.pva-mini-stats span{display:block;margin-top:2px;color:var(--pva-muted);font-size:12px}.pva-mode-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.pva-mode-card{position:relative;min-height:390px;padding:34px;border:1px solid var(--pva-line);border-radius:28px;background:rgba(255,255,255,.9);text-decoration:none!important;overflow:hidden;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}.pva-mode-card:after{content:"";position:absolute;right:-110px;bottom:-120px;width:300px;height:300px;border:1px solid rgba(82,126,56,.13);border-radius:50%;box-shadow:0 0 0 36px rgba(82,126,56,.05),0 0 0 72px rgba(82,126,56,.025)}.pva-mode-card:hover{transform:translateY(-6px);border-color:#bcd2b3;box-shadow:0 25px 55px rgba(38,75,35,.12)}.pva-mode-card--accent{background:linear-gradient(145deg,#244c2b,#416d32);border-color:#416d32;color:#fff}.pva-mode-card--accent h2,.pva-mode-card--accent strong{color:#fff}.pva-mode-card--accent p,.pva-mode-card--accent small{color:#d8e4d5}.pva-mode-card__num{position:absolute;right:26px;top:26px;font-size:12px;font-weight:900;letter-spacing:.1em}.pva-mode-card__icon{display:grid;place-items:center;width:64px;height:64px;margin:22px 0 42px;border-radius:20px;background:var(--pva-mint);font-size:30px;color:var(--pva-green)}.pva-mode-card--accent .pva-mode-card__icon{background:rgba(255,255,255,.12);color:var(--pva-lime)}.pva-mode-card small{font-size:11px;font-weight:900;letter-spacing:.14em;color:#69816c}.pva-mode-card h2{max-width:560px;margin:13px 0;font-size:clamp(28px,3vw,44px);line-height:1.03;letter-spacing:-.035em}.pva-mode-card p{max-width:620px;margin:0 0 32px;color:var(--pva-muted);font-size:16px;line-height:1.65}.pva-mode-card>strong{position:relative;z-index:1;display:inline-flex;gap:14px;align-items:center;font-size:16px}.pva-last-result{display:grid;grid-template-columns:auto auto 1fr auto;gap:22px;align-items:center;margin-top:22px;padding:22px 28px;border:1px solid var(--pva-line);border-radius:20px;background:#fff}.pva-last-result>span{font-size:11px;font-weight:900;letter-spacing:.12em}.pva-last-result>strong{font-size:28px;color:var(--pva-green)}.pva-last-result p{margin:0;color:var(--pva-muted)}.pva-last-result a{font-weight:800}
.pva-gate{padding-block:clamp(48px,8vw,110px);background:radial-gradient(circle at 75% 20%,#4f7939 0%,#2c532e 42%,#1c3b24 100%);color:#fff}.pva-gate .pva-eyebrow{color:#d2e4c9}.pva-gate .pva-eyebrow span{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:var(--pva-lime)}.pva-gate__lock{position:absolute;right:8%;bottom:-25%;display:grid;place-items:center;width:360px;height:360px;border:1px solid rgba(255,255,255,.08);border-radius:50%;font-size:110px;color:rgba(255,255,255,.1);box-shadow:0 0 0 55px rgba(255,255,255,.035),0 0 0 110px rgba(255,255,255,.02)}.pva-gate h1{max-width:900px;margin:36px 0 18px;font-size:clamp(42px,6vw,78px);line-height:.98;letter-spacing:-.05em;color:#fff}.pva-gate>p{max-width:820px;color:#d2ded0;font-size:18px;line-height:1.7}.pva-gate__actions{display:flex;flex-wrap:wrap;gap:14px;margin:34px 0 24px}.pva-gate>small{color:#b9ccb8}
.pva-workspace-head,.pva-results__head{display:flex;justify-content:space-between;gap:36px;align-items:flex-end;margin-bottom:42px}.pva-workspace-head h1,.pva-results__head h1{margin-top:24px;font-size:clamp(42px,5vw,70px)}.pva-study-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:28px}.pva-topic-nav{display:flex;flex-direction:column;gap:8px;align-self:start;position:sticky;top:24px}.pva-topic-nav button{display:grid;grid-template-columns:40px 1fr auto;gap:12px;align-items:center;width:100%;padding:15px;border:1px solid transparent;border-radius:15px;background:transparent;color:#617065;text-align:left;cursor:pointer}.pva-topic-nav button span{font-size:11px;font-weight:900}.pva-topic-nav button strong{font-size:14px}.pva-topic-nav button i{font-style:normal;opacity:0}.pva-topic-nav button.is-active{background:var(--pva-deep);color:#fff;box-shadow:0 14px 30px rgba(25,57,31,.16)}.pva-topic-nav button.is-active i{opacity:1}.pva-study-main{min-width:0}.pva-topic-intro{padding:clamp(24px,4vw,44px);border:1px solid var(--pva-line);border-radius:26px;background:#fff}.pva-topic-intro>span{font-size:11px;font-weight:900;letter-spacing:.12em;color:var(--pva-green)}.pva-topic-intro h2{margin:10px 0 22px;font-size:clamp(34px,4vw,58px);letter-spacing:-.045em}.pva-summary-list{display:grid;gap:11px;margin:0;padding:0;list-style:none}.pva-summary-list li{position:relative;padding-left:24px;color:#4f5f53;line-height:1.65}.pva-summary-list li:before{content:"";position:absolute;left:1px;top:.72em;width:8px;height:8px;border:3px solid #c4e7c9;border-radius:50%;background:#62aa77}.pva-section-list{display:grid;gap:10px;margin-top:16px}.pva-accordion{border:1px solid var(--pva-line);border-radius:19px;background:rgba(255,255,255,.82);overflow:hidden}.pva-accordion>button{display:grid;grid-template-columns:44px minmax(0,1fr) auto 28px;gap:14px;align-items:center;width:100%;padding:20px;border:0;background:transparent;color:var(--pva-deep);text-align:left;cursor:pointer}.pva-accordion>button>span{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#eef5ea;color:var(--pva-green);font-size:11px;font-weight:900}.pva-accordion>button strong{font-size:17px}.pva-accordion>button em{color:var(--pva-muted);font-size:12px;font-style:normal}.pva-accordion>button i{font-size:22px;font-style:normal;transition:transform .2s ease}.pva-accordion.is-open>button i{transform:rotate(45deg)}.pva-accordion__panel{display:none;padding:0 24px 28px 78px}.pva-accordion.is-open .pva-accordion__panel{display:block;animation:pva-reveal .3s ease both}.pva-subtopic-cloud{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.pva-subtopic-cloud span{padding:8px 11px;border:1px solid #dce8d8;border-radius:999px;background:#f7faf4;color:#526553;font-size:12px}.pva-accordion__panel>a{display:inline-flex;margin-top:8px;color:var(--pva-green);font-weight:800;text-decoration:none}.pva-empty-summary{color:var(--pva-muted)}@keyframes pva-reveal{from{opacity:0;transform:translateY(-8px)}}
.pva-builder{display:grid;gap:22px}.pva-builder__step,.pva-analysis,.pva-review{padding:clamp(22px,3vw,36px);border:1px solid var(--pva-line);border-radius:24px;background:#fff}.pva-step-title{display:flex;gap:14px;align-items:center;margin-bottom:24px}.pva-step-title>span{display:grid;place-items:center;width:44px;height:44px;border:1px solid #cfe0c8;border-radius:14px;color:var(--pva-green);font-size:12px;font-weight:900}.pva-step-title small{font-size:10px;font-weight:900;letter-spacing:.14em;color:#748176}.pva-step-title h2{margin:2px 0 0;font-size:24px;letter-spacing:-.025em}.pva-topic-cards{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.pva-select-card{position:relative;display:flex;min-height:150px;flex-direction:column;justify-content:flex-end;gap:5px;padding:16px;border:1px solid var(--pva-line);border-radius:18px;background:#fbfcf8;cursor:pointer;transition:.2s ease}.pva-select-card input{position:absolute;opacity:0}.pva-select-card>span{position:absolute;left:16px;top:15px;font-size:10px;font-weight:900;color:#829084}.pva-select-card>i{position:absolute;right:13px;top:13px;display:grid;place-items:center;width:24px;height:24px;border:1px solid #d4dfd0;border-radius:8px;color:transparent;font-style:normal}.pva-select-card strong{font-size:15px}.pva-select-card small{color:var(--pva-muted);font-size:11px}.pva-select-card.is-selected{border-color:var(--pva-green);background:#edf6e7;box-shadow:0 10px 25px rgba(63,104,45,.1)}.pva-select-card.is-selected>i{background:var(--pva-green);border-color:var(--pva-green);color:#fff}.pva-focus-toggle{display:flex;gap:8px;margin-bottom:18px}.pva-focus-toggle button{padding:10px 14px;border:1px solid var(--pva-line);border-radius:12px;background:#fff;color:var(--pva-muted);font-weight:750;cursor:pointer}.pva-focus-toggle button.is-active{border-color:var(--pva-green);background:#edf6e7;color:var(--pva-deep)}.pva-focus-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.pva-focus-grid label,.pva-subtopic-selector label{display:flex;gap:11px;align-items:center;padding:14px;border:1px solid var(--pva-line);border-radius:14px;cursor:pointer}.pva-focus-grid input,.pva-subtopic-selector input{accent-color:var(--pva-green)}.pva-focus-grid span{display:flex;flex-direction:column}.pva-focus-grid small{color:var(--pva-muted)}.pva-subtopic-selector{display:grid;gap:9px}.pva-subtopic-selector details{border:1px solid var(--pva-line);border-radius:15px;overflow:hidden}.pva-subtopic-selector summary{display:flex;justify-content:space-between;padding:15px 17px;font-weight:800;cursor:pointer}.pva-subtopic-selector summary span{color:var(--pva-green)}.pva-subtopic-selector details>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:0 12px 12px}.pva-subtopic-selector label small{margin-left:auto;color:var(--pva-muted)}.pva-count-picker{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.pva-count-picker button{padding:20px;border:1px solid var(--pva-line);border-radius:16px;background:#fbfcf8;color:var(--pva-deep);cursor:pointer}.pva-count-picker strong{display:block;font-size:30px}.pva-count-picker span{color:var(--pva-muted);font-size:12px}.pva-count-picker button.is-active{background:var(--pva-deep);border-color:var(--pva-deep);color:#fff}.pva-count-picker button.is-active span{color:#cbd7c8}.pva-builder__footer{display:flex;justify-content:space-between;align-items:center;padding:24px 28px;border-radius:22px;background:linear-gradient(120deg,#234426,#476f35);color:#fff}.pva-builder__footer>div{display:grid;grid-template-columns:auto auto;gap:1px 8px;align-items:baseline}.pva-builder__footer small{grid-column:1/-1;color:#bcd0b8;font-size:10px;font-weight:900;letter-spacing:.13em}.pva-builder__footer strong{font-size:28px}.pva-builder__footer span{color:#d1dfce}.pva-note{padding:16px 20px;border:1px solid #d4e5cb;border-radius:15px;background:#f3f8ef;color:#536953}
.pva-player header{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px}.pva-player header h1{margin:20px 0 0;font-size:clamp(38px,5vw,68px);letter-spacing:-.05em}.pva-timer{min-width:120px;padding:15px;border:1px solid var(--pva-line);border-radius:16px;background:#fff;text-align:center}.pva-timer small{display:block;font-size:10px;font-weight:900;letter-spacing:.13em}.pva-timer strong{display:block;font-size:25px}.pva-player__progress{height:5px;margin-bottom:22px;border-radius:999px;background:#e5ece2;overflow:hidden}.pva-player__progress i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--pva-green),var(--pva-leaf));transition:width .3s ease}.pva-player__layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:18px}.pva-question-card{padding:clamp(22px,4vw,44px);border:1px solid var(--pva-line);border-radius:25px;background:#fff}.pva-question-meta{display:flex;justify-content:space-between;gap:15px;color:var(--pva-muted);font-size:11px;font-weight:800;letter-spacing:.08em}.pva-question-card h2{margin:28px 0;font-size:clamp(23px,3vw,36px);line-height:1.25;letter-spacing:-.025em}.pva-options{display:grid;gap:10px}.pva-options button{display:grid;grid-template-columns:42px minmax(0,1fr) 24px;gap:13px;align-items:center;width:100%;padding:14px;border:1px solid var(--pva-line);border-radius:15px;background:#fbfcf9;color:var(--pva-deep);text-align:left;cursor:pointer;transition:.2s ease}.pva-options button>span{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:#edf3e9;font-weight:900}.pva-options button strong{font-size:15px;line-height:1.45}.pva-options button i{color:transparent;font-style:normal}.pva-options button:hover{border-color:#aeca9e;transform:translateX(3px)}.pva-options button.is-selected{border-color:var(--pva-green);background:#edf6e7;box-shadow:0 9px 22px rgba(64,105,48,.1)}.pva-options button.is-selected>span{background:var(--pva-green);color:#fff}.pva-options button.is-selected i{color:var(--pva-green)}.pva-question-actions{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;margin-top:28px}.pva-save-state{text-align:center;color:var(--pva-muted);font-size:12px}.pva-question-map{align-self:start;padding:20px;border:1px solid var(--pva-line);border-radius:20px;background:#fff}.pva-question-map>strong{font-size:11px;letter-spacing:.12em}.pva-question-map>div{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin:16px 0}.pva-question-map button{aspect-ratio:1;border:1px solid var(--pva-line);border-radius:9px;background:#f8faf6;color:#66746a;cursor:pointer}.pva-question-map button.is-answered{background:#dff0d8;border-color:#bdd9b1;color:#2f6834}.pva-question-map button.is-current{outline:2px solid var(--pva-deep);outline-offset:1px}.pva-question-map p{display:flex;flex-wrap:wrap;gap:7px;align-items:center;color:var(--pva-muted);font-size:11px}.pva-question-map p span{width:8px;height:8px;border-radius:50%;background:var(--pva-leaf)}.pva-question-map p em{width:100%;font-style:normal}.pva-finish-link{width:100%;padding:11px;border:1px solid var(--pva-green);border-radius:11px;background:#fff;color:var(--pva-green);font-weight:800;cursor:pointer}
.pva-results{display:grid;gap:20px}.pva-scoreboard{display:grid;grid-template-columns:260px 1fr;gap:30px;align-items:center;padding:32px;border-radius:26px;background:linear-gradient(125deg,#1f4024,#477436);color:#fff}.pva-score-ring{--score:0;display:grid;place-items:center;width:220px;height:220px;border-radius:50%;background:conic-gradient(var(--pva-lime) calc(var(--score)*1%),rgba(255,255,255,.12) 0);position:relative}.pva-score-ring:before{content:"";position:absolute;inset:14px;border-radius:50%;background:#294b2a}.pva-score-ring>div{position:relative;text-align:center}.pva-score-ring strong{display:block;font-size:44px}.pva-score-ring span{font-size:10px;font-weight:900;letter-spacing:.13em;color:#c7d9c3}.pva-score-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.pva-score-metrics>div{padding:20px;border:1px solid rgba(255,255,255,.13);border-radius:17px;background:rgba(255,255,255,.06)}.pva-score-metrics i{display:block;font-style:normal;color:#c9dbc5}.pva-score-metrics i.is-correct{color:var(--pva-lime)}.pva-score-metrics i.is-wrong{color:#ffad86}.pva-score-metrics strong{display:block;margin:9px 0 2px;font-size:28px}.pva-score-metrics span{color:#cad8c7;font-size:11px}.pva-analysis-row{display:grid;grid-template-columns:minmax(160px,1fr) minmax(180px,3fr) 52px;gap:16px;align-items:center;padding:12px 0;border-top:1px solid #edf1ea}.pva-analysis-row>div:first-child{display:flex;flex-direction:column}.pva-analysis-row span{color:var(--pva-muted);font-size:11px}.pva-analysis-row>div:nth-child(2){height:8px;border-radius:999px;background:#e6ede2;overflow:hidden}.pva-analysis-row i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--pva-green),var(--pva-leaf))}.pva-analysis-row em{text-align:right;font-style:normal;font-weight:850}.pva-review-item{border-top:1px solid var(--pva-line)}.pva-review-item>button{display:grid;grid-template-columns:42px minmax(0,1fr) auto 24px;gap:12px;align-items:center;width:100%;padding:18px 0;border:0;background:transparent;color:var(--pva-deep);text-align:left;cursor:pointer}.pva-review-item>button>span{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:#edf4e9;font-size:11px;font-weight:900}.pva-review-item>button strong{font-size:14px}.pva-review-item>button em{padding:6px 9px;border-radius:999px;background:#f1f4ef;color:var(--pva-muted);font-size:10px;font-style:normal}.pva-review-item.is-correct>button em{background:#e1f2dd;color:#39723c}.pva-review-item.is-wrong>button em{background:#fbe8df;color:#9a4b2e}.pva-review-item>button i{font-style:normal;font-size:20px;transition:transform .2s}.pva-review-item.is-open>button i{transform:rotate(45deg)}.pva-review-item>div{display:none;padding:0 0 24px 54px;color:#536256}.pva-review-item.is-open>div{display:block;animation:pva-reveal .25s ease}.pva-review-item>div p{line-height:1.6}.pva-correct-answer{color:#2f6d35}.pva-review-item section{padding:17px;border-left:3px solid var(--pva-leaf);border-radius:0 13px 13px 0;background:#f3f8ef}.pva-review-item section small{font-size:10px;font-weight:900;letter-spacing:.12em;color:var(--pva-green)}.pva-review-item footer{margin-top:14px;color:#849086;font-size:11px}.pva-upgrade{padding:clamp(30px,5vw,60px);border-radius:28px;background:radial-gradient(circle at 85% 10%,#5f8f41 0%,#345c31 40%,#1f4025 100%);color:#fff}.pva-upgrade small{font-weight:900;letter-spacing:.13em;color:var(--pva-lime)}.pva-upgrade h2{max-width:850px;margin:13px 0;font-size:clamp(34px,5vw,64px);line-height:1;letter-spacing:-.045em}.pva-upgrade p{max-width:800px;color:#d4e0d1;font-size:17px;line-height:1.7}.pva-upgrade>div{display:flex;flex-wrap:wrap;gap:18px;align-items:center;margin-top:25px}.pva-upgrade>div span{color:#c0d1bd;font-size:12px}.pva-history{display:grid;gap:10px}.pva-history-card{display:grid;grid-template-columns:100px 1fr auto;gap:20px;align-items:center;padding:22px;border:1px solid var(--pva-line);border-radius:18px;background:#fff;text-decoration:none!important;transition:.2s ease}.pva-history-card:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(36,73,34,.1)}.pva-history-card>span{font-size:25px;font-weight:900;color:var(--pva-green)}.pva-history-card div{display:flex;flex-direction:column}.pva-history-card small{color:var(--pva-muted)}
@media(max-width:1100px){.pva-topic-cards{grid-template-columns:repeat(3,minmax(0,1fr))}.pva-score-metrics{grid-template-columns:repeat(2,1fr)}.pva-subtopic-selector details>div{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.pva-shell{padding:24px;border-radius:24px}.pva-portal__hero,.pva-workspace-head,.pva-results__head{grid-template-columns:1fr;display:grid;align-items:start}.pva-mini-stats{justify-self:start}.pva-mode-grid{grid-template-columns:1fr}.pva-last-result{grid-template-columns:1fr 1fr}.pva-study-layout{grid-template-columns:1fr}.pva-topic-nav{position:static;display:grid;grid-auto-flow:column;grid-auto-columns:minmax(190px,1fr);overflow-x:auto;padding-bottom:5px}.pva-topic-intro{padding:24px}.pva-topic-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.pva-focus-grid,.pva-subtopic-selector details>div{grid-template-columns:1fr 1fr}.pva-player__layout{grid-template-columns:1fr}.pva-question-map{position:static}.pva-scoreboard{grid-template-columns:1fr}.pva-score-ring{margin:auto}.pva-gate__lock{display:none}}
@media(max-width:560px){.pva-shell{padding:18px}.pva-portal__hero h1,.pva-workspace-head h1,.pva-results__head h1{font-size:40px}.pva-mini-stats{width:100%}.pva-mini-stats div{min-width:0;flex:1}.pva-mode-card{min-height:350px;padding:24px}.pva-accordion>button{grid-template-columns:40px 1fr 24px}.pva-accordion>button em{display:none}.pva-accordion__panel{padding-left:20px}.pva-topic-cards,.pva-focus-grid,.pva-subtopic-selector details>div{grid-template-columns:1fr}.pva-focus-toggle{display:grid;grid-template-columns:1fr}.pva-count-picker{grid-template-columns:1fr 1fr 1fr}.pva-count-picker button{padding:14px 5px}.pva-builder__footer{align-items:stretch;flex-direction:column;display:flex}.pva-player header{align-items:start}.pva-question-meta{flex-direction:column}.pva-question-actions{grid-template-columns:1fr 1fr}.pva-save-state{grid-column:1/-1;grid-row:1}.pva-score-metrics{grid-template-columns:1fr 1fr}.pva-analysis-row{grid-template-columns:1fr 50px}.pva-analysis-row>div:nth-child(2){grid-column:1/-1;grid-row:2}.pva-review-item>button{grid-template-columns:38px 1fr 20px}.pva-review-item>button em{display:none}.pva-review-item>div{padding-left:0}.pva-history-card{grid-template-columns:76px 1fr}.pva-history-card>i{display:none}}
@media(prefers-reduced-motion:reduce){.pva-shell *{scroll-behavior:auto!important;animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}.pva-orb{display:none}}

/* Theme isolation for plugin-managed learning pages. */
body.pva-managed-page .entry-header,
body.pva-managed-page .entry-title{display:none!important}
body.pva-managed-page #primary,
body.pva-managed-page .content-area{float:none!important;width:100%!important;max-width:none!important;margin:0!important}
body.pva-managed-page #secondary{display:none!important}
body.pva-managed-page .site-content>.ast-container{width:100%!important;max-width:none!important;padding-left:16px!important;padding-right:16px!important}
body.pva-managed-page .entry-content{margin-top:0!important;width:100%!important;max-width:none!important}
.pva-shell .pva-question-map>div{min-width:0}
.pva-shell .pva-question-map button{display:grid!important;place-items:center!important;width:100%!important;min-width:0!important;min-height:0!important;margin:0!important;padding:0!important;line-height:1!important;box-shadow:none!important}
.pva-shell .pva-upgrade h2{color:#fff!important}
.pva-timer.is-urgent{border-color:#d76542;background:#fff4ef;color:#9e321d;box-shadow:0 0 0 4px rgba(215,101,66,.1);animation:pva-timer-pulse 1s ease-in-out infinite}
@keyframes pva-timer-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.025)}}
@media (prefers-reduced-motion:reduce){.pva-timer.is-urgent{animation:none}}

/* V2 visual study experience. */
.pva-study-v2{position:relative}.pva-study-v2 h1,.pva-study-v2 h2,.pva-study-v2 h3,.pva-study-v2 h4{font-family:"Sora","Manrope",Inter,ui-sans-serif,sans-serif}.pva-reading-progress{position:absolute;z-index:20;top:0;left:0;width:100%;height:4px;background:rgba(79,126,51,.08)}.pva-reading-progress i{display:block;width:100%;height:100%;transform:scaleX(0);transform-origin:left center;background:linear-gradient(90deg,var(--pva-green),var(--pva-lime),#e47748);will-change:transform}.pva-study-hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:44px;align-items:end;margin-bottom:44px}.pva-study-hero h1{max-width:950px;margin:26px 0 20px;color:var(--pva-deep);font-size:clamp(48px,6.5vw,92px);line-height:.92;letter-spacing:-.065em}.pva-study-hero h1 em{color:var(--pva-green);font-style:normal}.pva-study-hero p{max-width:820px;margin:0;color:var(--pva-muted);font-size:clamp(16px,1.8vw,20px);line-height:1.72}.pva-study-hero__actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.pva-study-hero__actions>span{padding:18px;border:1px solid var(--pva-line);border-radius:17px;background:rgba(255,255,255,.78);color:var(--pva-muted);font-size:12px}.pva-study-hero__actions strong{display:block;margin-bottom:3px;color:var(--pva-deep);font-size:28px}.pva-study-hero__actions .pva-button{grid-column:1/-1}.pva-study-layout--v2{grid-template-columns:260px minmax(0,1fr);gap:30px}.pva-topic-nav--v2{padding:12px;border:1px solid var(--pva-line);border-radius:24px;background:rgba(255,255,255,.76);backdrop-filter:blur(14px);box-shadow:0 18px 40px rgba(31,67,35,.08)}.pva-topic-nav__label{display:flex;flex-direction:column;gap:4px;padding:11px 13px 16px}.pva-topic-nav__label span{color:var(--pva-green);font-size:9px;font-weight:900;letter-spacing:.15em}.pva-topic-nav__label strong{font-size:15px}.pva-topic-nav--v2 button{border-radius:14px;transition:transform .22s ease,background .22s ease,color .22s ease}.pva-topic-nav--v2 button:hover{transform:translateX(3px);background:#f1f6ed}.pva-topic-nav--v2 button.is-active:hover{background:var(--pva-deep)}.pva-topic-stage{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(330px,.92fr);gap:18px;padding:18px;border:1px solid var(--pva-line);border-radius:32px;background:linear-gradient(145deg,#fff,#f5f8ef);box-shadow:0 22px 54px rgba(36,73,34,.09)}.pva-topic-stage__copy{padding:clamp(18px,3vw,34px)}.pva-topic-stage__copy>span{color:var(--pva-green);font-size:10px;font-weight:900;letter-spacing:.16em}.pva-topic-stage__copy h2{margin:10px 0 24px;color:var(--pva-deep);font-size:clamp(40px,5vw,68px);line-height:.96;letter-spacing:-.055em}.pva-section-toolbar{display:flex;justify-content:space-between;gap:22px;align-items:center;margin:26px 0 14px;padding:18px 20px;border:1px solid var(--pva-line);border-radius:19px;background:rgba(255,255,255,.82)}.pva-section-toolbar>div{display:flex;gap:13px;align-items:center}.pva-section-toolbar>div>span{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:var(--pva-deep);color:#fff;font-size:11px;font-weight:900}.pva-section-toolbar small{display:block;color:var(--pva-green);font-size:9px;font-weight:900;letter-spacing:.13em}.pva-section-toolbar strong{display:block;margin-top:2px}.pva-section-toolbar label{display:flex;min-width:300px;align-items:center;gap:10px;padding:0 14px;border:1px solid var(--pva-line);border-radius:13px;background:#fff}.pva-section-toolbar label>span{color:var(--pva-green);font-size:20px}.pva-section-toolbar input{width:100%;height:46px;border:0!important;outline:0!important;background:transparent!important;box-shadow:none!important;color:var(--pva-deep);font:inherit;font-size:13px}.pva-section-list--v2{gap:14px}.pva-learning-card{border-radius:22px;background:rgba(255,255,255,.88);box-shadow:0 8px 24px rgba(35,70,33,.045);transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease}.pva-learning-card:hover{border-color:#bdd1b5;box-shadow:0 18px 38px rgba(35,70,33,.09);transform:translateY(-2px)}.pva-learning-card[hidden]{display:none!important}.pva-learning-card>button{padding:22px 24px}.pva-learning-card>button>span{width:42px;height:42px;background:linear-gradient(145deg,#eff6e9,#e3efdc)}.pva-learning-card>button strong{font-family:"Sora","Manrope",Inter,sans-serif;font-size:18px;letter-spacing:-.015em}.pva-learning-card.is-open{border-color:#bad0b0;box-shadow:0 22px 52px rgba(35,70,33,.1)}.pva-learning-card .pva-accordion__panel{padding:2px 24px 28px}.pva-learning-grid{display:grid;grid-template-columns:minmax(0,1.03fr) minmax(330px,.97fr);gap:20px;padding-top:10px}.pva-learning-copy{padding:24px;border-radius:20px;background:#f8faf5}.pva-learning-copy>small,.pva-detail-areas>small{display:block;margin-bottom:14px;color:var(--pva-green);font-size:9px;font-weight:900;letter-spacing:.14em}.pva-learning-copy .pva-summary-list{gap:13px}.pva-learning-copy .pva-summary-list li{color:#405244;font-size:15px}.pva-teaching-visual{margin:0;border:1px solid #d6e2d1;border-radius:22px;background:#f6f8f1;overflow:hidden}.pva-teaching-visual__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:radial-gradient(circle at 70% 35%,#e3efd8,#f7f8f2 68%)}.pva-teaching-visual__media img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1),filter .4s ease}.pva-teaching-visual:hover img{transform:scale(1.035);filter:saturate(1.03) 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span{color:var(--pva-lime);font-size:8px;font-weight:900;letter-spacing:.13em}.pva-learning-table h4{margin:0;color:#fff;font-size:15px}.pva-learning-table>div{overflow-x:auto}.pva-learning-table table{width:100%;border-collapse:collapse;font-size:13px}.pva-learning-table th,.pva-learning-table td{padding:12px 14px;border-bottom:1px solid #e7ede3;text-align:left;vertical-align:top}.pva-learning-table th{background:#f2f6ee;color:var(--pva-deep);font-size:10px;letter-spacing:.04em}.pva-learning-table td{color:#4e5f51}.pva-learning-table tbody tr:last-child td{border-bottom:0}.pva-learning-table tbody tr:hover td{background:#fbfcf8}.pva-detail-areas{margin-top:20px;padding:20px;border:1px dashed #c7d7c0;border-radius:18px;background:#fbfcf8}.pva-detail-areas .pva-subtopic-cloud{margin:0}.pva-learning-card__footer{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-top:20px;padding-top:20px;border-top:1px solid var(--pva-line)}.pva-learning-card__footer p{max-width:620px;margin:0;color:var(--pva-muted);font-size:13px;line-height:1.55}.pva-no-filter-results{padding:40px;border:1px dashed #c8d7c2;border-radius:20px;text-align:center}.pva-no-filter-results strong{font-size:22px}.pva-no-filter-results p{color:var(--pva-muted)}.pva-reveal-item{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s cubic-bezier(.2,.7,.2,1)}.pva-reveal-item.is-visible{opacity:1;transform:none}@keyframes pva-visual-pulse{50%{transform:scale(.94);opacity:.72}}
@media(max-width:1180px){.pva-topic-stage,.pva-learning-grid{grid-template-columns:1fr}.pva-topic-stage>.pva-teaching-visual{order:-1}.pva-topic-stage>.pva-teaching-visual .pva-teaching-visual__media{aspect-ratio:21/9}.pva-study-hero{grid-template-columns:1fr}.pva-study-hero__actions{max-width:560px}}
@media(max-width:900px){.pva-study-layout--v2{grid-template-columns:1fr}.pva-topic-nav--v2{position:static;display:grid;grid-auto-flow:column;grid-auto-columns:minmax(195px,1fr);overflow-x:auto}.pva-topic-nav__label{display:none}.pva-section-toolbar{align-items:stretch;flex-direction:column}.pva-section-toolbar label{min-width:0}.pva-learning-card__footer{align-items:stretch;flex-direction:column}.pva-learning-card__footer .pva-button{align-self:flex-start}}
@media(max-width:620px){.pva-study-hero h1{font-size:44px}.pva-study-hero__actions{grid-template-columns:1fr}.pva-study-hero__actions .pva-button{grid-column:auto}.pva-topic-stage{padding:10px;border-radius:24px}.pva-topic-stage__copy{padding:18px 12px}.pva-topic-stage__copy h2{font-size:40px}.pva-learning-card>button{grid-template-columns:42px 1fr 24px;padding:17px}.pva-learning-card>button em{display:none}.pva-learning-card .pva-accordion__panel{padding:0 14px 18px}.pva-learning-copy{padding:18px}.pva-teaching-visual figcaption ol{grid-template-columns:1fr}.pva-learning-table header{align-items:flex-start;flex-direction:column}.pva-learning-table th,.pva-learning-table td{min-width:150px;padding:10px}.pva-section-toolbar{padding:14px}}
@media(prefers-reduced-motion:reduce){.pva-reveal-item{opacity:1;transform:none}.pva-visual-placeholder i{animation:none}.pva-teaching-visual__media img{transition:none}}

/* Premium access and automatic account journey. */
.pva-access{padding-block:clamp(36px,6vw,84px)}.pva-access__hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);gap:40px;align-items:end}.pva-access__hero h1{max-width:920px;margin:26px 0 18px;color:var(--pva-deep);font-family:"Sora","Manrope",Inter,sans-serif;font-size:clamp(46px,6vw,84px);line-height:.94;letter-spacing:-.06em}.pva-access__hero p{max-width:820px;margin:0;color:var(--pva-muted);font-size:clamp(16px,1.8vw,20px);line-height:1.7}.pva-access__price{padding:26px;border:1px solid var(--pva-line);border-radius:24px;background:rgba(255,255,255,.84);box-shadow:0 18px 42px rgba(30,67,33,.08)}.pva-access__price small,.pva-access__action>small{display:block;color:var(--pva-green);font-size:9px;font-weight:900;letter-spacing:.15em}.pva-access__price strong{display:block;margin:10px 0 5px;color:var(--pva-deep);font-size:clamp(28px,3vw,44px)}.pva-access__price span{color:var(--pva-muted);font-size:12px}.pva-access__grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);gap:20px;margin-top:42px}.pva-access__features{display:grid;grid-template-columns:1fr 1fr;gap:12px}.pva-access__features article{min-height:210px;padding:25px;border:1px solid var(--pva-line);border-radius:22px;background:#fff;transition:transform .25s ease,box-shadow .25s ease}.pva-access__features article:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(32,66,34,.09)}.pva-access__features article>span{display:grid;width:38px;height:38px;place-items:center;margin-bottom:26px;border-radius:12px;background:#e8f2e2;color:var(--pva-green);font-size:10px;font-weight:900}.pva-access__features strong{display:block;margin-bottom:8px;font-size:18px}.pva-access__features p{margin:0;color:var(--pva-muted);font-size:13px;line-height:1.6}.pva-access__action{display:flex;min-height:430px;align-items:flex-start;flex-direction:column;justify-content:center;padding:clamp(28px,4vw,48px);border-radius:28px;background:radial-gradient(circle at 90% 10%,#598540,#345d31 42%,#203f25 100%);color:#fff}.pva-access__action>small{color:var(--pva-lime)}.pva-access__action h2{margin:14px 0;color:#fff;font-family:"Sora","Manrope",Inter,sans-serif;font-size:clamp(34px,4vw,56px);line-height:1;letter-spacing:-.045em}.pva-access__action p{margin:0 0 28px;color:#d8e4d5;line-height:1.7}.pva-access__trust{margin-top:18px;color:#c1d3be;font-size:11px}.pva-account-card{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;margin:28px 0;padding:28px;border:1px solid #d6e3d0;border-radius:22px;background:linear-gradient(135deg,#f8fbf5,#edf5e8);box-shadow:0 15px 38px rgba(31,65,31,.07);color:#203f25}.pva-account-card small{color:#4f7e33;font-size:9px;font-weight:900;letter-spacing:.14em}.pva-account-card h2{margin:7px 0 5px;color:#203f25;font-size:26px}.pva-account-card p{margin:0;color:#627066}.pva-account-card>a{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:0 20px;border-radius:14px;background:#4f7e33;color:#fff!important;font-weight:800;text-decoration:none!important}.pva-account-card.is-locked{background:linear-gradient(135deg,#fffaf7,#f8eee7)}.pva-count-picker button em{display:block;margin-top:6px;color:#4f7e33;font-size:11px;font-style:normal;font-weight:850;letter-spacing:.04em}.pva-count-picker button.is-active em{color:#d7efad}.pva-timing-note{margin:14px 0 0;color:var(--pva-muted);font-size:12px;line-height:1.55}
@media(max-width:900px){.pva-access__hero,.pva-access__grid{grid-template-columns:1fr}.pva-access__price{max-width:520px}}
@media(max-width:620px){.pva-access__features{grid-template-columns:1fr}.pva-access__features article{min-height:0}.pva-account-card{grid-template-columns:1fr}.pva-account-card>a{justify-self:start}.pva-access__hero h1{font-size:44px}}

/* V3 final learning and assessment experience. */
.pva-shell{--pva-ink:#14231b;--pva-deep:#183a2a;--pva-green:#3f6f3a;--pva-leaf:#6d9b45;--pva-lime:#c8ed8d;--pva-warm:#f5b85c;--pva-coral:#e66f51;--pva-cream:#f5f6ed;--pva-paper:#fffefb;--pva-line:#d5dfcf;--pva-muted:#5e6d63;max-width:1600px;background:radial-gradient(circle at 84% 2%,rgba(200,237,141,.22),transparent 26%),linear-gradient(140deg,#fffefb 0%,#f8faf3 48%,#eef5e8 100%);font-size:17px}
.pva-study-v2{--pva-reading-size:20px}.pva-study-v2.pva-reading-standard{--pva-reading-size:18px}.pva-study-v2.pva-reading-large{--pva-reading-size:20px}.pva-study-v2.pva-reading-xl{--pva-reading-size:22px}
.pva-study-hero{position:relative;padding:clamp(30px,5vw,68px);border-radius:34px;background:radial-gradient(circle at 86% 20%,rgba(200,237,141,.22),transparent 28%),linear-gradient(135deg,#102a20,#214a31 58%,#315b39);color:#fff;overflow:hidden;box-shadow:0 30px 70px rgba(19,52,35,.22)}
.pva-study-hero:after{content:"";position:absolute;right:-110px;bottom:-190px;width:420px;height:420px;border:1px solid rgba(255,255,255,.13);border-radius:50%;box-shadow:0 0 0 48px rgba(255,255,255,.045),0 0 0 96px rgba(255,255,255,.025)}
.pva-study-hero>div{position:relative;z-index:1}.pva-study-hero .pva-eyebrow{color:#cfe2ca}.pva-study-hero .pva-eyebrow span{border-color:rgba(255,255,255,.24);background:rgba(255,255,255,.1);color:var(--pva-lime)}
.pva-study-hero h1{color:#fff;font-size:clamp(50px,6.4vw,94px)}.pva-study-hero h1 em{color:var(--pva-lime)}.pva-study-hero p{color:#d7e3d8;font-size:clamp(18px,1.65vw,22px)}
.pva-study-hero__actions>span{border-color:rgba(255,255,255,.16);background:rgba(255,255,255,.08);color:#cfe0d0;backdrop-filter:blur(12px)}.pva-study-hero__actions>span strong{color:#fff;font-size:32px}
.pva-reading-tools{display:grid;grid-template-columns:1fr repeat(3,42px);grid-column:1/-1;gap:8px;align-items:center;padding:9px 10px 9px 15px;border:1px solid rgba(255,255,255,.18);border-radius:16px;background:rgba(255,255,255,.08)}.pva-reading-tools small{color:#d8e6d6;font-size:10px;font-weight:900;letter-spacing:.12em}.pva-reading-tools button{display:grid;width:42px;height:42px;place-items:center;border:1px solid rgba(255,255,255,.18);border-radius:11px;background:rgba(255,255,255,.06);color:#fff;font:inherit;font-weight:850;cursor:pointer;transition:.2s ease}.pva-reading-tools button:hover,.pva-reading-tools button.is-active{border-color:var(--pva-lime);background:var(--pva-lime);color:#183a2a;transform:translateY(-1px)}
.pva-study-layout--v2{grid-template-columns:290px minmax(0,1fr);margin-top:34px}.pva-topic-nav--v2{top:18px;padding:14px;border-radius:26px;background:rgba(255,254,251,.88);box-shadow:0 22px 55px rgba(20,54,36,.1)}.pva-topic-nav__label{padding:14px 15px 19px}.pva-topic-nav__label span{font-size:10px}.pva-topic-nav__label strong{font-size:18px}.pva-topic-nav--v2 button{min-height:62px;padding:14px 16px}.pva-topic-nav--v2 button strong{font-size:15px;line-height:1.25}.pva-topic-nav--v2 button.is-active{background:linear-gradient(135deg,#173b29,#315c36);box-shadow:0 14px 30px rgba(23,59,41,.22)}
.pva-topic-stage{grid-template-columns:minmax(0,1.02fr) minmax(430px,.98fr);gap:24px;padding:22px;border-radius:34px;background:linear-gradient(145deg,#fffefb,#f2f7ec);box-shadow:0 24px 64px rgba(28,65,39,.1)}.pva-topic-stage__copy{padding:clamp(24px,3.5vw,48px)}.pva-topic-stage__copy>span{font-size:11px}.pva-topic-stage__copy h2{font-size:clamp(44px,5vw,72px)}
.pva-summary-list{gap:16px}.pva-summary-list li{padding-left:31px;color:#3f5045;font-size:var(--pva-reading-size);font-weight:480;line-height:1.72;letter-spacing:-.006em}.pva-summary-list li:before{top:.66em;width:11px;height:11px;border:3px solid #d6efc9;background:#588640;box-shadow:0 0 0 5px rgba(88,134,64,.08)}
.pva-section-toolbar{margin-top:30px;padding:21px 22px;border-radius:21px}.pva-section-toolbar strong{font-size:19px}.pva-section-toolbar input{height:50px;font-size:15px}
.pva-section-list--v2{gap:19px}.pva-learning-card{border-radius:25px;box-shadow:0 12px 30px rgba(25,59,35,.055)}.pva-learning-card>button{min-height:84px;padding:20px 25px}.pva-learning-card>button>span{width:48px;height:48px;border-radius:15px;font-size:12px}.pva-learning-card>button strong{font-size:22px}.pva-learning-card>button em{font-size:13px}.pva-learning-card .pva-accordion__panel{padding:6px 28px 32px}.pva-learning-grid{grid-template-columns:minmax(0,1.04fr) minmax(420px,.96fr);gap:24px;padding-top:14px}.pva-learning-copy{padding:clamp(26px,3vw,42px);border:1px solid #e5ecdf;border-radius:24px;background:linear-gradient(145deg,#fbfcf7,#f3f7ee)}.pva-learning-copy>small{margin-bottom:22px;font-size:10px}.pva-learning-copy .pva-summary-list{gap:19px}.pva-learning-copy .pva-summary-list li{font-size:var(--pva-reading-size);line-height:1.72}
.pva-section-atlas{margin:0;border:1px solid #cfddc8;border-radius:24px;background:#eef4e8;overflow:hidden;box-shadow:0 14px 38px rgba(27,64,36,.1)}.pva-section-atlas__media{position:relative;min-height:390px;aspect-ratio:4/3;overflow:hidden;background:#173a29}.pva-section-atlas__media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,27,18,.04) 35%,rgba(8,27,18,.8) 100%);pointer-events:none}.pva-section-atlas__media>img,.pva-subtopic-visual__media>img{display:block;width:100%;height:100%;object-fit:cover;object-position:var(--focus-x,50%) var(--focus-y,50%);transform:scale(var(--visual-zoom,1.08));transition:transform .8s cubic-bezier(.2,.7,.2,1),filter .4s ease}.pva-section-atlas:hover .pva-section-atlas__media>img,.pva-subtopic-visual:hover .pva-subtopic-visual__media>img{transform:scale(calc(var(--visual-zoom,1.08) + .05));filter:saturate(1.05) contrast(1.03)}
.pva-section-atlas .pva-visual-badge{z-index:2;padding:8px 12px;font-size:9px}.pva-atlas-glyph{position:absolute;z-index:2;left:20px;bottom:64px;display:grid;width:78px;height:78px;place-items:center;border:1px solid rgba(255,255,255,.34);border-radius:22px;background:rgba(255,255,255,.14);backdrop-filter:blur(12px);color:#fff}.pva-atlas-glyph svg{width:58px;height:58px;fill:none;stroke:currentColor;stroke-width:4;stroke-linecap:round;stroke-linejoin:round}.pva-atlas-glyph--bone svg circle,.pva-atlas-glyph--joint svg circle{fill:rgba(200,237,141,.15)}
.pva-visual-expand{position:absolute;z-index:3;right:18px;bottom:18px;padding:11px 14px;border:1px solid rgba(255,255,255,.32);border-radius:12px;background:rgba(19,50,32,.78);backdrop-filter:blur(10px);color:#fff;font:inherit;font-size:13px;font-weight:800;cursor:pointer}.pva-visual-expand span{color:var(--pva-lime)}.pva-section-atlas figcaption{display:grid;grid-template-columns:auto minmax(0,1fr);gap:22px;align-items:center;padding:21px 23px;background:#fffefb}.pva-section-atlas figcaption small{display:block;color:var(--pva-green);font-size:9px;font-weight:900;letter-spacing:.13em}.pva-section-atlas figcaption strong{display:block;margin-top:4px;font-family:"Sora","Manrope",Inter,sans-serif;font-size:19px}.pva-section-atlas figcaption p{margin:0;color:var(--pva-muted);font-size:14px;line-height:1.55}
.pva-learning-tables{margin-top:25px}.pva-learning-table{border-radius:22px}.pva-learning-table header{padding:19px 22px}.pva-learning-table h4{font-size:19px}.pva-learning-table header span{font-size:9px}.pva-learning-table table{font-size:16px}.pva-learning-table th,.pva-learning-table td{padding:16px 18px}.pva-learning-table th{font-size:12px}.pva-learning-table td{line-height:1.55}
.pva-subtopic-gallery{margin-top:25px;padding:clamp(20px,3vw,30px);border:1px solid #d4e0ce;border-radius:24px;background:linear-gradient(145deg,#f7faF3,#edf4e7)}.pva-subtopic-gallery>header{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:20px}.pva-subtopic-gallery>header small{color:var(--pva-green);font-size:10px;font-weight:900;letter-spacing:.14em}.pva-subtopic-gallery>header h4{margin:4px 0 0;font-size:clamp(24px,2.5vw,34px);letter-spacing:-.035em}.pva-subtopic-gallery>header>span{padding:8px 12px;border-radius:999px;background:#e4efdc;color:#41603f;font-size:12px;font-weight:800}.pva-subtopic-gallery>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.pva-subtopic-visual{border:1px solid #d1ddcb;border-radius:19px;background:#fff;overflow:hidden;box-shadow:0 8px 22px rgba(25,59,35,.06);transition:transform .25s ease,box-shadow .25s ease}.pva-subtopic-visual:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(25,59,35,.13)}.pva-subtopic-visual__media{position:relative;display:block;width:100%;aspect-ratio:16/10;padding:0;border:0;background:#1a3d2a;overflow:hidden;cursor:zoom-in}.pva-subtopic-visual__media:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(16,46,29,.12),transparent 42%,rgba(12,37,24,.78));pointer-events:none}.pva-subtopic-visual__number{position:absolute;z-index:2;left:12px;top:12px;display:grid;width:38px;height:38px;place-items:center;border-radius:12px;background:#fff;color:#24472d;font-size:11px;font-weight:900;box-shadow:0 8px 20px rgba(0,0,0,.12)}.pva-subtopic-visual__glyph{position:absolute;z-index:2;right:12px;bottom:12px;display:grid;width:56px;height:56px;place-items:center;border:1px solid rgba(255,255,255,.35);border-radius:17px;background:rgba(19,51,31,.56);backdrop-filter:blur(9px);color:#fff}.pva-subtopic-visual__glyph svg{width:40px;height:40px;fill:none;stroke:currentColor;stroke-width:4;stroke-linecap:round;stroke-linejoin:round}.pva-subtopic-visual__media>i{position:absolute;z-index:2;left:13px;bottom:14px;color:#fff;font-size:11px;font-style:normal;font-weight:850;letter-spacing:.04em}.pva-subtopic-visual>div{padding:17px 18px 20px}.pva-subtopic-visual>div small{color:var(--pva-green);font-size:9px;font-weight:900;letter-spacing:.09em}.pva-subtopic-visual h5{margin:7px 0 8px;color:var(--pva-deep);font-family:"Sora","Manrope",Inter,sans-serif;font-size:18px;line-height:1.25;letter-spacing:-.018em}.pva-subtopic-visual p{margin:0;color:var(--pva-muted);font-size:13px;line-height:1.55}
.pva-learning-card__footer{margin-top:26px;padding-top:24px}.pva-learning-card__footer p{font-size:15px}.pva-learning-card__footer .pva-button{font-size:15px}
.pva-visual-dialog{width:min(94vw,1260px);max-width:none;padding:0;border:0;border-radius:28px;background:#fffefb;color:var(--pva-deep);box-shadow:0 40px 120px rgba(5,24,14,.48);overflow:hidden}.pva-visual-dialog::backdrop{background:rgba(8,28,18,.76);backdrop-filter:blur(8px)}.pva-visual-dialog[open]{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(300px,.55fr);animation:pva-dialog-in .3s ease both}.pva-visual-dialog__media{min-height:min(74vh,760px);background:#102d20}.pva-visual-dialog__media img{display:block;width:100%;height:100%;min-height:inherit;object-fit:contain}.pva-visual-dialog__copy{display:flex;flex-direction:column;justify-content:center;padding:clamp(28px,4vw,56px)}.pva-visual-dialog__copy small{color:var(--pva-green);font-size:10px;font-weight:900;letter-spacing:.14em}.pva-visual-dialog__copy h3{margin:10px 0;font-size:clamp(30px,4vw,50px);line-height:1.03;letter-spacing:-.045em}.pva-visual-dialog__copy p{margin:0 0 26px;color:var(--pva-muted);font-size:17px;line-height:1.6}.pva-visual-dialog__copy .pva-button{align-self:flex-start}.pva-visual-dialog__close{position:absolute;z-index:4;right:15px;top:15px;display:grid;width:48px;height:48px;place-items:center;border:1px solid rgba(255,255,255,.35);border-radius:15px;background:rgba(15,46,29,.8);color:#fff;font-size:27px;cursor:pointer}@keyframes pva-dialog-in{from{opacity:0;transform:translateY(16px) scale(.985)}}

/* V3 test builder and question player. */
.pva-workspace-head h1,.pva-results__head h1{font-family:"Sora","Manrope",Inter,sans-serif}.pva-builder__step,.pva-analysis,.pva-review{padding:clamp(26px,3.5vw,48px);border-radius:28px;box-shadow:0 14px 42px rgba(26,61,36,.065)}.pva-step-title>span{width:50px;height:50px;border-radius:16px;font-size:13px}.pva-step-title small{font-size:11px}.pva-step-title h2{font-size:clamp(27px,3vw,38px)}
.pva-topic-cards{grid-template-columns:repeat(5,minmax(0,1fr));gap:13px}.pva-select-card{min-height:182px;padding:21px;border-radius:21px}.pva-select-card strong{font-size:17px;line-height:1.3}.pva-select-card small{font-size:13px}.pva-focus-toggle button,.pva-focus-grid label,.pva-subtopic-selector label{font-size:15px}.pva-focus-grid small,.pva-subtopic-selector label small{font-size:12px}
.pva-timing-studio__grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(440px,1.2fr);gap:28px}.pva-timing-studio__grid h3{margin:0;color:var(--pva-deep);font-size:22px}.pva-timing-studio__grid>div>p{margin:6px 0 17px;color:var(--pva-muted);font-size:14px}.pva-count-picker button{min-height:128px;padding:18px;border-radius:19px}.pva-count-picker strong{font-size:36px}.pva-count-picker span{font-size:13px}.pva-count-picker button em{font-size:12px}.pva-pace-picker{display:grid;grid-template-columns:1fr 1fr;gap:12px}.pva-pace-picker button{position:relative;display:flex;min-height:128px;flex-direction:column;align-items:flex-start;justify-content:center;padding:21px;border:1px solid var(--pva-line);border-radius:19px;background:#fbfcf8;color:var(--pva-deep);text-align:left;cursor:pointer;transition:.2s ease}.pva-pace-picker button:hover{transform:translateY(-2px);border-color:#adc79e}.pva-pace-picker button>span{position:absolute;right:15px;top:14px;color:var(--pva-green);font-size:9px;font-weight:900;letter-spacing:.12em}.pva-pace-picker button strong{font-size:28px}.pva-pace-picker button em{color:var(--pva-muted);font-size:13px;font-style:normal}.pva-pace-picker button i{margin-top:9px;color:#4d7047;font-size:12px;font-style:normal;font-weight:800}.pva-pace-picker button.is-active{border-color:var(--pva-deep);background:linear-gradient(145deg,#193b2a,#315c37);color:#fff;box-shadow:0 14px 32px rgba(23,57,39,.19)}.pva-pace-picker button.is-active>span,.pva-pace-picker button.is-active i{color:var(--pva-lime)}.pva-pace-picker button.is-active em{color:#d0ded0}.pva-countdown-preview{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;margin-top:24px;padding:20px 22px;border-radius:21px;background:radial-gradient(circle at 80% 20%,rgba(200,237,141,.16),transparent 30%),#163829;color:#fff}.pva-countdown-preview__icon{display:grid;width:58px;height:58px;place-items:center;border:1px solid rgba(255,255,255,.18);border-radius:18px;background:rgba(255,255,255,.08);color:var(--pva-lime);font-size:27px}.pva-countdown-preview small{color:#bbd0bc;font-size:9px;font-weight:900;letter-spacing:.13em}.pva-countdown-preview strong{display:block;margin:2px 0;font-size:32px}.pva-countdown-preview p{margin:0;color:#d2dfd2;font-size:12px}.pva-countdown-preview>b{padding:9px 12px;border:1px solid rgba(255,255,255,.14);border-radius:12px;background:rgba(255,255,255,.07);color:var(--pva-lime);font-size:12px}.pva-timing-note{font-size:14px}.pva-builder__footer{display:grid;grid-template-columns:1fr 1fr auto;gap:22px;padding:27px 30px}.pva-builder__footer-time{display:grid!important;grid-template-columns:auto auto!important;gap:1px 8px!important;align-items:baseline}.pva-builder__footer-time small{grid-column:1/-1}.pva-builder__footer-time strong{font-size:28px}.pva-builder__footer .pva-button{background:var(--pva-lime);border-color:var(--pva-lime);color:#153622!important}
.pva-player{position:relative}.pva-player header{align-items:center;margin-bottom:28px;padding:clamp(20px,3vw,34px);border-radius:26px;background:radial-gradient(circle at 80% 5%,rgba(200,237,141,.2),transparent 30%),linear-gradient(135deg,#102c20,#204a31);color:#fff;box-shadow:0 22px 55px rgba(16,44,32,.2)}.pva-player header h1{color:#fff;font-family:"Sora","Manrope",Inter,sans-serif;font-size:clamp(40px,5vw,66px)}.pva-player header .pva-eyebrow{color:#c7d9c6}.pva-player header .pva-eyebrow span{border-color:rgba(255,255,255,.2);background:rgba(255,255,255,.08);color:var(--pva-lime)}.pva-player__instruction{margin:10px 0 0;color:#cddccd;font-size:16px}.pva-timer{min-width:162px;padding:17px 20px;border-color:rgba(255,255,255,.18);border-radius:20px;background:rgba(255,255,255,.09);color:#fff;backdrop-filter:blur(12px)}.pva-timer small{font-size:11px}.pva-timer strong{font-size:34px;font-variant-numeric:tabular-nums}.pva-timer span{display:block;margin-top:3px;color:#cde0c9;font-size:11px;font-weight:750}.pva-player__progress{height:8px;margin-bottom:24px}.pva-player__layout{grid-template-columns:minmax(0,1fr) 310px;gap:22px}.pva-question-card{padding:clamp(28px,4vw,54px);border-radius:29px;box-shadow:0 18px 50px rgba(24,58,34,.08)}.pva-question-meta{font-size:13px}.pva-question-card h2{max-width:1080px;margin:32px 0;font-family:"Sora","Manrope",Inter,sans-serif;font-size:clamp(30px,3.3vw,46px);line-height:1.22}.pva-options{gap:13px}.pva-options button{grid-template-columns:54px minmax(0,1fr) 30px;gap:17px;min-height:76px;padding:13px 17px;border-radius:18px}.pva-options button>span{width:48px;height:48px;border-radius:14px;font-size:18px}.pva-options button strong{font-size:18px;line-height:1.48}.pva-options button i{font-size:18px}.pva-question-actions{margin-top:33px}.pva-save-state{font-size:14px}.pva-question-map{position:sticky;top:20px;padding:23px;border-radius:23px;box-shadow:0 14px 40px rgba(25,59,35,.07)}.pva-question-map>strong{font-size:12px}.pva-question-map>div{gap:8px}.pva-question-map button{min-height:44px!important;border-radius:11px;font-size:14px;font-weight:750}.pva-question-map p{font-size:13px}.pva-finish-link{min-height:48px;font-size:14px}

/* V3 results and answer review. */
.pva-scoreboard{grid-template-columns:280px 1fr;padding:clamp(30px,4vw,48px);border-radius:30px;background:radial-gradient(circle at 90% 10%,rgba(200,237,141,.18),transparent 30%),linear-gradient(125deg,#123121,#315f38);box-shadow:0 25px 60px rgba(18,49,33,.2)}.pva-score-ring{width:240px;height:240px}.pva-score-ring strong{font-size:48px}.pva-score-metrics>div{min-height:132px;padding:23px;border-radius:20px}.pva-score-metrics i{font-size:20px}.pva-score-metrics strong{font-size:34px}.pva-score-metrics span{font-size:13px}.pva-analysis-row{padding:17px 0}.pva-analysis-row strong{font-size:17px}.pva-analysis-row span{font-size:13px}.pva-analysis-row>div:nth-child(2){height:11px}
.pva-review{padding:clamp(26px,4vw,52px)}.pva-review__head{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:start}.pva-review__head .pva-step-title{margin-bottom:24px}.pva-review__head .pva-step-title p{margin:7px 0 0;color:var(--pva-muted);font-size:15px}.pva-review-progress{min-width:160px;padding:18px 20px;border-radius:18px;background:linear-gradient(145deg,#eaf3e4,#f7faf3);text-align:center}.pva-review-progress strong{display:block;color:var(--pva-deep);font-size:30px}.pva-review-progress span{color:var(--pva-muted);font-size:12px}.pva-review-toolbar{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:18px;padding:8px;border:1px solid #dbe4d6;border-radius:17px;background:#f7f9f4}.pva-review-toolbar button{display:flex;gap:8px;align-items:center;min-height:43px;padding:0 14px;border:0;border-radius:12px;background:transparent;color:#536258;font:inherit;font-size:14px;font-weight:800;cursor:pointer}.pva-review-toolbar button span{display:grid;min-width:25px;height:25px;place-items:center;padding:0 6px;border-radius:999px;background:#e6ece3;font-size:11px}.pva-review-toolbar button.is-active{background:var(--pva-deep);color:#fff;box-shadow:0 8px 18px rgba(23,55,38,.17)}.pva-review-toolbar button.is-active span{background:rgba(255,255,255,.15)}.pva-review-list{display:grid;gap:10px}.pva-review-item{border:1px solid var(--pva-line);border-radius:18px;background:#fff;overflow:hidden}.pva-review-item[hidden]{display:none!important}.pva-review-item>button{grid-template-columns:50px minmax(0,1fr) auto 30px;gap:16px;min-height:86px;padding:15px 18px}.pva-review-item>button>span{width:45px;height:45px;border-radius:14px;font-size:12px}.pva-review-item__question{display:flex;min-width:0;flex-direction:column;gap:4px}.pva-review-item__question small{color:var(--pva-green);font-size:10px;font-weight:850;letter-spacing:.055em}.pva-review-item__question strong{font-size:17px;line-height:1.42}.pva-review-item>button>em{display:flex;gap:7px;align-items:center;min-width:105px;justify-content:center;padding:8px 11px;font-size:12px;font-weight:800}.pva-review-item>button>em b{display:grid;width:20px;height:20px;place-items:center;border-radius:50%;background:rgba(255,255,255,.52);font-size:13px}.pva-review-item>button>i{font-size:23px}.pva-review-item.is-wrong{border-color:#edd1c6}.pva-review-item.is-wrong>button{background:linear-gradient(90deg,#fffaf7,#fff)}.pva-review-item.is-correct{border-color:#cfe1c8}.pva-review-item.is-correct>button{background:linear-gradient(90deg,#f8fcf5,#fff)}.pva-review-item.is-open{box-shadow:0 18px 45px rgba(22,57,34,.09)}.pva-review-item>.pva-review-item__panel{padding:5px 24px 28px}.pva-answer-compare{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:10px 0 18px}.pva-answer-card{position:relative;min-height:132px;padding:20px 20px 20px 76px;border:1px solid #dce5d8;border-radius:18px;background:#f8faf6}.pva-answer-card>small{display:block;margin-bottom:8px;color:var(--pva-muted);font-size:9px;font-weight:900;letter-spacing:.12em}.pva-answer-card>span{position:absolute;left:19px;top:20px;display:grid;width:43px;height:43px;place-items:center;border-radius:13px;background:#fff;color:var(--pva-deep);font-size:18px;font-weight:900;box-shadow:0 5px 14px rgba(20,50,31,.08)}.pva-answer-card p{margin:0!important;color:#374b3d;font-size:17px;line-height:1.52}.pva-answer-card--correct{border-color:#bcd8b2;background:#edf7e8}.pva-answer-card--correct>span{background:#477a3e;color:#fff}.is-wrong .pva-answer-card--student{border-color:#efd1c4;background:#fff2eb}.is-wrong .pva-answer-card--student>span{background:#d86445;color:#fff}.pva-explanation-card{padding:24px!important;border:0!important;border-radius:19px!important;background:linear-gradient(135deg,#173b29,#315d37)!important;color:#fff}.pva-explanation-card small{color:var(--pva-lime)!important;font-size:10px!important}.pva-explanation-card h4{margin:7px 0 10px;color:#fff;font-size:22px}.pva-explanation-card p{margin:0!important;color:#e1ebe0;font-size:17px;line-height:1.7}.pva-review-item footer{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:17px;font-size:13px}.pva-review-item footer span{color:var(--pva-green);font-size:9px;font-weight:900;letter-spacing:.12em}.pva-review-empty{padding:35px;border:1px dashed var(--pva-line);border-radius:18px;color:var(--pva-muted);text-align:center;font-size:16px}

@media(max-width:1280px){.pva-topic-stage,.pva-learning-grid{grid-template-columns:1fr}.pva-topic-stage>.pva-section-atlas{order:-1}.pva-topic-stage .pva-section-atlas__media{aspect-ratio:21/9;min-height:330px}.pva-subtopic-gallery>div{grid-template-columns:repeat(2,minmax(0,1fr))}.pva-timing-studio__grid{grid-template-columns:1fr}.pva-topic-cards{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:900px){.pva-study-layout--v2{grid-template-columns:1fr}.pva-topic-nav--v2{position:static}.pva-section-atlas__media{min-height:360px}.pva-visual-dialog[open]{grid-template-columns:1fr}.pva-visual-dialog__media{min-height:50vh}.pva-visual-dialog__copy{padding:28px}.pva-builder__footer{grid-template-columns:1fr 1fr}.pva-builder__footer .pva-button{grid-column:1/-1}.pva-player__layout{grid-template-columns:1fr}.pva-question-map{position:static}.pva-scoreboard{grid-template-columns:1fr}.pva-review__head{grid-template-columns:1fr}.pva-review-progress{justify-self:start}.pva-answer-compare{grid-template-columns:1fr}}
@media(max-width:640px){.pva-shell{padding:14px;border-radius:20px}.pva-study-hero{padding:28px 22px;border-radius:25px}.pva-study-hero h1{font-size:45px}.pva-study-hero p{font-size:18px}.pva-reading-tools{grid-template-columns:1fr repeat(3,38px)}.pva-reading-tools button{width:38px;height:38px}.pva-study-v2{--pva-reading-size:18px}.pva-study-v2.pva-reading-standard{--pva-reading-size:17px}.pva-study-v2.pva-reading-large{--pva-reading-size:18px}.pva-study-v2.pva-reading-xl{--pva-reading-size:20px}.pva-topic-stage{padding:10px}.pva-topic-stage .pva-section-atlas__media,.pva-section-atlas__media{min-height:260px;aspect-ratio:4/3}.pva-section-atlas figcaption{grid-template-columns:1fr;gap:7px}.pva-atlas-glyph{width:62px;height:62px}.pva-atlas-glyph svg{width:44px;height:44px}.pva-learning-card>button{min-height:74px;padding:14px}.pva-learning-card>button strong{font-size:19px}.pva-learning-card .pva-accordion__panel{padding:2px 12px 18px}.pva-learning-copy{padding:22px 18px}.pva-learning-copy .pva-summary-list li{line-height:1.65}.pva-subtopic-gallery{padding:16px}.pva-subtopic-gallery>div{grid-template-columns:1fr}.pva-subtopic-gallery>header{align-items:start;flex-direction:column}.pva-learning-table table{font-size:14px}.pva-topic-cards{grid-template-columns:1fr 1fr}.pva-pace-picker{grid-template-columns:1fr}.pva-count-picker{grid-template-columns:1fr 1fr 1fr}.pva-count-picker button{min-height:105px}.pva-count-picker strong{font-size:30px}.pva-countdown-preview{grid-template-columns:auto 1fr}.pva-countdown-preview>b{grid-column:1/-1}.pva-builder__footer{grid-template-columns:1fr}.pva-builder__footer .pva-button{grid-column:auto}.pva-player header{align-items:flex-start;flex-direction:column}.pva-timer{width:100%}.pva-question-card{padding:24px 18px}.pva-question-card h2{font-size:27px}.pva-options button{grid-template-columns:46px 1fr 20px;min-height:72px;padding:11px}.pva-options button>span{width:42px;height:42px}.pva-options button strong{font-size:17px}.pva-score-ring{width:210px;height:210px}.pva-score-metrics{grid-template-columns:1fr 1fr}.pva-review{padding:20px 14px}.pva-review-toolbar{display:grid;grid-template-columns:1fr 1fr}.pva-review-item>button{grid-template-columns:44px minmax(0,1fr) 25px;padding:13px}.pva-review-item>button>em{grid-column:2;justify-self:start;min-width:0}.pva-review-item>button>i{grid-column:3;grid-row:1/3}.pva-review-item>.pva-review-item__panel{padding:4px 13px 18px}.pva-answer-card{padding:18px 16px 18px 68px}.pva-answer-card p,.pva-explanation-card p{font-size:16px}}
.pva-section-atlas__media>img,.pva-subtopic-visual__media>img{object-position:center;transform-origin:var(--focus-x,50%) var(--focus-y,50%)}

/* V4 release candidate: readable desktop study canvas and one labelled plate per subtopic. */
.pva-study-v2{--pva-reading-size:19px;--pva-reading-leading:1.72}
.pva-study-v2.pva-reading-standard{--pva-reading-size:17.5px;--pva-reading-leading:1.68}
.pva-study-v2.pva-reading-large{--pva-reading-size:19px;--pva-reading-leading:1.72}
.pva-study-v2.pva-reading-xl{--pva-reading-size:22px;--pva-reading-leading:1.76}
.pva-study-hero{grid-template-columns:minmax(0,1.4fr) minmax(390px,.6fr);align-items:center}
.pva-study-hero__actions{grid-template-columns:repeat(3,minmax(0,1fr));align-content:center}
.pva-study-hero__actions>span{min-height:94px;padding:16px 14px}
.pva-study-hero__actions>span strong{font-size:29px}
.pva-reading-tools{display:flex;grid-column:1/-1;gap:8px;align-items:center;min-height:60px;padding:8px 10px 8px 16px}
.pva-reading-tools small{margin-right:auto;white-space:nowrap}
.pva-reading-tools button{flex:0 0 42px;line-height:1}
.pva-study-hero__actions .pva-button{grid-column:1/-1}
.pva-learning-grid{align-items:start}
.pva-section-atlas{align-self:start}
.pva-section-atlas__media>img,.pva-subtopic-visual__media>img{object-position:center!important;transform:none!important}
.pva-section-atlas--labelled .pva-section-atlas__media>img,.pva-subtopic-visual__media>img{object-fit:contain!important;background:#f4f8ef}
.pva-section-atlas--overview .pva-section-atlas__media>img{object-fit:contain!important;background:#f7f5ee!important}
.pva-learning-copy .pva-summary-list li{font-size:var(--pva-reading-size);line-height:var(--pva-reading-leading)}
.pva-learning-copy .pva-summary-list li:before{top:.82em}
.pva-subtopic-gallery>header h4{font-size:clamp(25px,2.6vw,36px)}
.pva-subtopic-gallery>header>span{max-width:240px;text-align:center}
.pva-subtopic-visual__media{aspect-ratio:3/2;background:#f4f8ef}
.pva-subtopic-visual__media:after{background:linear-gradient(180deg,transparent 62%,rgba(13,39,24,.74))}
.pva-subtopic-visual__glyph{width:48px;height:48px;border-radius:14px}
.pva-subtopic-visual__glyph svg{width:33px;height:33px}
.pva-subtopic-visual>div{padding:15px 17px 17px}
.pva-subtopic-visual h5{font-size:19px}
.pva-subtopic-visual p{font-size:14px}
.pva-timing-studio__grid{grid-template-columns:1fr 1fr;align-items:start}
.pva-count-picker button{min-height:104px}
.pva-count-picker button em{display:none}
.pva-pace-picker button{min-height:104px;align-items:center;justify-content:center;padding:18px;text-align:center}
.pva-pace-picker button strong{max-width:180px;font-size:20px;line-height:1.25}
.pva-timing-note{margin:22px 0 0;padding:17px 20px;border:1px solid #cfe0c8;border-radius:16px;background:#f2f8ed;color:#48604c;line-height:1.6}
.pva-timing-note strong{color:var(--pva-deep)}
.pva-builder__footer{grid-template-columns:1fr auto!important}

@media(min-width:901px){
  .pva-shell{max-width:1640px}
  .pva-study-layout--v2{grid-template-columns:235px minmax(0,1fr);gap:24px}
  .pva-topic-stage,.pva-learning-grid{grid-template-columns:1fr!important;align-items:start}
  .pva-topic-stage>.pva-section-atlas,.pva-learning-grid>.pva-section-atlas{order:-1}
  .pva-section-atlas{display:grid;grid-template-columns:minmax(0,1.66fr) minmax(240px,.34fr);align-items:stretch;min-height:0}
  .pva-section-atlas__media{height:auto;min-height:0;aspect-ratio:3/2}
  .pva-section-atlas figcaption{display:flex;flex-direction:column;justify-content:center;gap:14px;padding:26px}
  .pva-section-atlas figcaption p{font-size:15px;line-height:1.65}
  .pva-topic-stage__copy{padding:30px 24px 22px}
  .pva-topic-stage__copy .pva-summary-list,.pva-learning-copy .pva-summary-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
  .pva-topic-stage__copy .pva-summary-list li,.pva-learning-copy .pva-summary-list li{min-height:100%;padding:17px 18px 17px 43px;border:1px solid #e0e8dc;border-radius:17px;background:#fff;box-shadow:0 8px 20px rgba(27,58,34,.035)}
  .pva-topic-stage__copy .pva-summary-list li:before,.pva-learning-copy .pva-summary-list li:before{left:19px;top:1.5em}
  .pva-learning-copy{padding:25px;border-radius:22px}
  .pva-learning-copy>small{margin-bottom:18px}
  .pva-learning-table>div{overflow:visible}
  .pva-learning-table table,.pva-learning-table tbody{display:block;width:100%}
  .pva-learning-table thead{display:none}
  .pva-learning-table tbody{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:11px;padding:13px;background:#f7f9f4}
  .pva-learning-table tbody tr{display:grid;align-content:start;gap:10px;min-width:0;padding:15px;border:1px solid #d9e3d5;border-radius:15px;background:#fff;box-shadow:0 5px 14px rgba(28,59,35,.035)}
  .pva-learning-table tbody td{display:block;min-width:0;padding:0;border:0;font-size:14px;line-height:1.45}
  .pva-learning-table tbody td:before{content:attr(data-label);display:block;margin-bottom:4px;color:#6f8072;font-size:9px;font-weight:900;letter-spacing:.09em;text-transform:uppercase}
  .pva-learning-table tbody tr:hover td{background:transparent}
  .pva-subtopic-gallery>div{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media(min-width:1380px){
  .pva-study-layout--v2{grid-template-columns:250px minmax(0,1fr);gap:30px}
  .pva-subtopic-gallery>div{grid-template-columns:repeat(3,minmax(0,1fr))}
}

@media(max-width:1180px){
  .pva-study-hero{grid-template-columns:1fr}
  .pva-study-hero__actions{max-width:none}
}

@media(max-width:900px){
  .pva-study-hero__actions{grid-template-columns:repeat(3,minmax(0,1fr))}
  .pva-section-atlas{display:block}
  .pva-section-atlas__media{aspect-ratio:3/2;min-height:0}
  .pva-timing-studio__grid{grid-template-columns:1fr}
  .pva-builder__footer{grid-template-columns:1fr!important}
}

@media(max-width:640px){
  .pva-study-v2{--pva-reading-size:18px}
  .pva-study-v2.pva-reading-standard{--pva-reading-size:17px}
  .pva-study-v2.pva-reading-large{--pva-reading-size:18px}
  .pva-study-v2.pva-reading-xl{--pva-reading-size:20px}
  .pva-study-hero__actions{grid-template-columns:1fr 1fr}
  .pva-study-hero__actions>span:last-of-type{grid-column:1/-1}
  .pva-reading-tools{grid-template-columns:none}
  .pva-reading-tools button{flex-basis:38px;width:38px;height:38px}
  .pva-subtopic-gallery>div{grid-template-columns:1fr}
  .pva-timing-note{font-size:13px}
}

@media(prefers-reduced-motion:reduce){
  .pva-reveal-item,.pva-subtopic-visual,.pva-button,.pva-reading-progress i{animation:none!important;transition:none!important;transform:none!important}
}

/* V5 professional medical-atlas presentation. Artwork and interface labels
   occupy separate regions so terminology never obscures anatomy. */
.pva-section-atlas,
.pva-subtopic-visual{background:#fff;box-shadow:0 18px 46px rgba(25,54,34,.08)}
.pva-section-atlas__media,
.pva-subtopic-visual__media{background:#f7f5ee!important}
.pva-section-atlas__media:after,
.pva-subtopic-visual__media:after{display:none!important}
.pva-section-atlas__media>img,
.pva-subtopic-visual__media>img{object-fit:contain!important;object-position:center!important;transform:none!important;filter:none!important}
.pva-section-atlas:hover .pva-section-atlas__media>img,
.pva-subtopic-visual:hover .pva-subtopic-visual__media>img{transform:scale(1.012)!important;filter:contrast(1.015) saturate(1.02)!important}
.pva-section-atlas__media .pva-visual-badge{display:none}
.pva-section-atlas__media{padding-bottom:54px}
.pva-section-atlas__media>img{height:calc(100% - 54px)}
.pva-visual-expand{right:14px;bottom:9px;padding:9px 13px;border-color:#d4dfce;background:#fff;color:#28432c;box-shadow:none}
.pva-visual-expand span{color:#5a8539}
.pva-section-atlas figcaption{border-left:1px solid #d8e1d3;background:linear-gradient(160deg,#fff,#f4f7ef)}
.pva-section-atlas figcaption strong{font-size:clamp(20px,2vw,27px);line-height:1.18}
.pva-section-atlas figcaption p{font-size:15px;line-height:1.65}
.pva-atlas-context{display:flex;flex-wrap:wrap;gap:7px;margin-top:3px}
.pva-atlas-context span{padding:7px 10px;border:1px solid #d7e2d1;border-radius:999px;background:#fff;color:#526456;font-size:11px;font-weight:750}

.pva-subtopic-gallery{padding:clamp(22px,3vw,34px);background:linear-gradient(145deg,#f8faf5,#eef4e9)}
.pva-subtopic-gallery>header{align-items:center;margin-bottom:24px}
.pva-subtopic-gallery>header h4{max-width:820px;font-size:clamp(27px,2.8vw,39px);line-height:1.08}
.pva-subtopic-gallery>div{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:20px}
.pva-subtopic-visual{display:flex;min-width:0;flex-direction:column;border-radius:22px}
.pva-subtopic-visual__media{aspect-ratio:3/2;padding-bottom:48px;border-bottom:1px solid #dfe7da}
.pva-subtopic-visual__media>img{height:calc(100% - 48px)}
.pva-subtopic-visual__number{left:14px;top:14px;width:40px;height:40px;border:1px solid #d7e2d0;background:rgba(255,255,255,.94);color:#315536;box-shadow:0 8px 18px rgba(25,54,34,.08)}
.pva-subtopic-visual__media>i{left:16px;right:16px;bottom:0;display:flex;height:48px;align-items:center;color:#28442e;font-size:12px;letter-spacing:.02em}
.pva-subtopic-visual>div{display:flex;flex:1;flex-direction:column;padding:22px 22px 24px}
.pva-subtopic-visual>div>small{font-size:10px;line-height:1.5;letter-spacing:.08em}
.pva-subtopic-visual h5{margin:8px 0 18px;font-size:clamp(21px,1.8vw,27px);line-height:1.18}
.pva-plate-labels{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:auto}
.pva-plate-labels span{min-width:0;padding:12px 13px;border:1px solid #dce5d7;border-radius:13px;background:#f7f9f4;color:#3c5140;font-size:13px;line-height:1.4;overflow-wrap:anywhere}
.pva-plate-labels b{display:block;margin-bottom:4px;color:#6a815f;font-size:8px;letter-spacing:.12em}

.pva-visual-dialog__media{display:grid;place-items:center;padding:22px;background:#efede5}
.pva-visual-dialog__media img{border-radius:18px;background:#f7f5ee;box-shadow:0 18px 50px rgba(22,46,29,.12)}
.pva-visual-credit-link{display:flex;flex-direction:column;gap:3px;margin:0 0 24px;padding:14px 16px;border:1px solid #d7e1d2;border-radius:14px;background:#f6f8f2;color:#29442e;text-decoration:none}
.pva-visual-credit-link[hidden]{display:none}
.pva-visual-credit-link small{color:#6e8367;font-size:8px}
.pva-visual-credit-link strong{font-size:13px;line-height:1.35;overflow-wrap:anywhere}
.pva-visual-credit-link span{color:#66766a;font-size:11px}

.pva-reading-tools{flex-wrap:nowrap!important}
.pva-reading-tools small{min-width:max-content}
.pva-reading-tools button{display:inline-grid!important;margin:0!important;padding:0!important;vertical-align:middle}

@media(min-width:1380px){
  .pva-subtopic-gallery>div{grid-template-columns:repeat(2,minmax(0,1fr))!important}
  .pva-subtopic-visual__media{min-height:360px}
}

@media(max-width:900px){
  .pva-section-atlas figcaption{border-top:1px solid #d8e1d3;border-left:0}
  .pva-subtopic-gallery>div{grid-template-columns:1fr!important}
  .pva-subtopic-visual__media{min-height:0}
}

@media(max-width:640px){
  .pva-subtopic-gallery{padding:15px}
  .pva-subtopic-gallery>header>span{white-space:normal}
  .pva-subtopic-visual>div{padding:18px}
  .pva-plate-labels{grid-template-columns:1fr}
  .pva-reading-tools{display:grid!important;grid-template-columns:minmax(0,1fr) repeat(3,38px)!important}
}

/* RC15: high-contrast protected-content gate. Avoids white-on-light theme conflicts. */
.pva-gate.pva-gate--clear{background:radial-gradient(circle at 86% 12%,rgba(197,233,145,.38),transparent 30%),linear-gradient(135deg,#ffffff 0%,#f8fbf5 52%,#eef5e8 100%)!important;color:#17351f!important;border-color:rgba(44,77,42,.12)!important;box-shadow:0 28px 80px rgba(30,58,30,.09)!important}
.pva-gate.pva-gate--clear .pva-eyebrow{color:#58705a!important}.pva-gate.pva-gate--clear .pva-eyebrow span{background:#eef6e8!important;border-color:#d5e4cf!important;color:#4f7e33!important}.pva-gate.pva-gate--clear h1{color:#203f25!important}.pva-gate.pva-gate--clear>p{color:#617066!important}.pva-gate.pva-gate--clear>small{color:#758278!important}.pva-gate.pva-gate--clear .pva-button--ghost-dark{background:#fff!important;border-color:#cad9c7!important;color:#203f25!important}.pva-gate.pva-gate--clear .pva-button--light{background:#c5e991!important;border-color:#c5e991!important;color:#213d26!important}

/* rc.23 — Knowledge Search exact Study deep-link highlight */
.pva-knowledge-search-target{position:relative;scroll-margin-top:125px!important;box-shadow:0 0 0 3px rgba(131,196,88,.32),0 18px 42px rgba(44,87,51,.10)!important}
.pva-knowledge-search-target::after{content:"Opened from Knowledge Search";position:absolute;z-index:8;right:14px;top:12px;padding:6px 9px;border:1px solid rgba(79,128,52,.16);border-radius:999px;color:#41613f;background:rgba(255,255,255,.92);font-size:8px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;box-shadow:0 8px 20px rgba(44,87,51,.08)}
.pva-subtopic-visual.pva-knowledge-search-target::after{right:10px;top:10px}
@media(max-width:700px){.pva-knowledge-search-target{scroll-margin-top:92px!important}.pva-knowledge-search-target::after{position:static;display:inline-block;margin:8px 10px}}