:root{--pnp:#087863;--pnp-dark:#055846;--pnp-soft:#e7f6ed;--pnp-ink:#173a34;--pnp-line:#d9e8e1;--pnp-muted:#526c64;--pnp-gold:#986b05}.pnp-page{--primary:var(--pnp);--primary-dark:var(--pnp-dark);--lavender:var(--pnp-soft);--ink:var(--pnp-ink);--muted:var(--pnp-muted);--line:var(--pnp-line);background:#fbfdfb;color:var(--pnp-ink)}.pnp-page *{box-sizing:border-box}.pnp-page [hidden]{display:none!important}.pnp-page a{overflow-wrap:anywhere}.pnp-page button,.pnp-page select,.pnp-page input{font:inherit}.pnp-page .brand{white-space:nowrap;flex-shrink:0}.pnp-header{display:flex;justify-content:space-between;align-items:center;max-width:1160px;margin:auto;padding:15px 24px;gap:20px;border-bottom:1px solid var(--pnp-line)}.pnp-header nav{display:flex;gap:18px;font-size:14px;font-weight:750}.pnp-header nav a{color:var(--pnp-ink);text-decoration:none;padding:12px 0}.pnp-shell{max-width:1080px;margin:auto;padding:32px 24px 64px}.pnp-hero{display:grid;grid-template-columns:1.35fr .7fr;gap:35px;align-items:center;padding:30px 0 22px}.pnp-hero h1{font-size:clamp(37px,5.2vw,61px);font-weight:900;letter-spacing:-.045em;line-height:1.09;margin:16px 0 20px}.pnp-hero h1 span{color:var(--pnp)}.pnp-hero p{font-size:19px;line-height:1.7;color:var(--pnp-muted)}.pnp-eyebrow{display:block;letter-spacing:.1em;text-transform:uppercase;font-size:12px;font-weight:850;color:var(--pnp-dark)}.pnp-art{border-radius:32px;border:1px solid #cce4d7;background:linear-gradient(145deg,#e7f5e9,#fef8df);padding:34px;text-align:center;transform:rotate(-3deg);box-shadow:8px 9px 0 #e8f1eb}.pnp-art strong{display:block;font-size:52px;letter-spacing:-.04em;color:var(--pnp-dark)}.pnp-art span{display:block;font-size:16px;font-weight:750;line-height:1.7}.pnp-pills{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.pnp-pills span,.pnp-chip{display:inline-flex;border:1px solid var(--pnp-line);border-radius:24px;padding:7px 11px;font-size:12px;font-weight:750;background:#fff}.pnp-actions{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}.pnp-btn{display:inline-flex;align-items:center;justify-content:center;min-height:56px;gap:9px;padding:13px 20px;border-radius:16px;border:1px solid var(--pnp-line);background:white;color:var(--pnp-ink);text-decoration:none;font-size:17px;font-weight:800;box-shadow:0 4px 0 #e0e9e3;text-align:center;cursor:pointer}.pnp-btn.primary{background:var(--pnp);color:white;border-color:var(--pnp);box-shadow:0 4px 0 var(--pnp-dark)}.pnp-btn:active{transform:translateY(2px);box-shadow:0 1px 0 var(--pnp-line)}.pnp-btn:disabled{opacity:.5;cursor:default}.pnp-page :focus-visible{outline:3px solid #d99e22;outline-offset:4px}.pnp-section{margin:34px 0}.pnp-section>h2{font-size:28px;margin:0 0 16px}.pnp-section>p{font-size:17px;line-height:1.75;color:var(--pnp-muted);margin:12px 0 20px}.pnp-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.pnp-card{border:1px solid var(--pnp-line);border-radius:24px;background:#fff;padding:25px;min-width:0;box-shadow:0 4px 0 #edf3ef}.pnp-card h2,.pnp-card h3{font-size:24px;margin:12px 0}.pnp-card p,.pnp-card li{font-size:17px;color:var(--pnp-muted);line-height:1.75}.pnp-card ul{padding-left:23px}.pnp-card .pnp-btn{width:100%;margin-top:15px}.pnp-card .pnp-chip{color:var(--pnp-dark);background:var(--pnp-soft)}.pnp-note{font-size:15px;line-height:1.75;color:var(--pnp-muted);margin:13px 0}.pnp-callout{border:1px solid #dfdfbd;border-radius:19px;background:#fff9e6;padding:19px 22px;font-size:16px;line-height:1.75;color:#685825;margin:20px 0}.pnp-callout p{margin:9px 0 0}.pnp-stats{display:grid;grid-template-columns:repeat(3,1fr);padding:22px 6px;border:1px solid var(--pnp-line);border-radius:22px;background:white;margin:24px 0}.pnp-stats>div{text-align:center;padding:4px 8px;border-right:1px solid var(--pnp-line)}.pnp-stats>div:last-child{border:0}.pnp-stats strong{display:block;font-size:27px}.pnp-stats span{font-size:12px;color:var(--pnp-muted)}.pnp-tabs{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.pnp-tabs a{padding:10px 14px;border-radius:14px;background:#edf5ef;color:var(--pnp-dark);font-size:15px;font-weight:800;text-decoration:none;min-height:46px}.pnp-tabs a[aria-current=page]{background:var(--pnp-dark);color:white}.pnp-form{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}.pnp-form label{display:grid;gap:8px;font-size:14px;font-weight:800}.pnp-form select,.pnp-form input{display:block;width:100%;min-width:0;min-height:55px;border:1px solid #bfd6c8;border-radius:14px;padding:12px;background:#fff;color:var(--pnp-ink);font-size:17px}.pnp-form label.wide{grid-column:1/-1}.pnp-player{max-width:780px;margin:auto}.pnp-player h1{font-size:33px;margin-bottom:16px}.pnp-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;position:sticky;top:0;background:#fbfdfbf5;z-index:4;padding:12px 0}.pnp-clock{font-variant-numeric:tabular-nums;font-size:20px;font-weight:850;padding:8px 12px;border-radius:13px;background:#fff2d2;white-space:nowrap}.pnp-clock.urgent{color:#9c233f;background:#fff0f1}.pnp-progress{flex:1}.pnp-progress>span{display:block;font-size:12px;font-weight:800;color:var(--pnp-muted);margin-bottom:7px}.pnp-progress>div{height:9px;border-radius:20px;background:#e5ece7;overflow:hidden}.pnp-progress i{display:block;height:100%;background:var(--pnp);border-radius:20px}.pnp-question{border:1px solid var(--pnp-line);border-radius:24px;background:#fff;padding:26px;margin-bottom:20px}.pnp-question h2{font-size:23px;line-height:1.65;letter-spacing:-.02em;margin:14px 0 20px}.pnp-question .question-body p,.pnp-passage p{font-size:19px;line-height:1.8;margin:12px 0}.pnp-passage{border-left:3px solid #b8d5be;padding:12px 18px;background:#f6faf7;border-radius:0 15px 15px 0;margin:18px 0}.pnp-passage h3{font-size:18px}.pnp-choices{display:grid;gap:12px}.pnp-choice{display:flex;align-items:flex-start;gap:13px;border:2px solid #dfe8e2;border-radius:17px;background:#fff;padding:17px;text-align:left;font-size:19px;line-height:1.6;min-height:68px;box-shadow:0 4px 0 #edf2ee;cursor:pointer}.pnp-choice .letter{flex:0 0 31px;height:31px;border-radius:11px;display:grid;place-items:center;background:#f0f5f1;font-size:15px;font-weight:850}.pnp-choice[aria-checked=true]{border-color:var(--pnp);background:#eaf7ef;box-shadow:0 4px 0 #9bc7ad}.pnp-choice.correct{border-color:#1a9272;background:#e8f9ef}.pnp-choice.incorrect{border-color:#c65068;background:#fff1f3}.pnp-choice:disabled{opacity:1;cursor:default}.pnp-answer-state{font-size:14px;font-weight:800;color:var(--pnp-dark);min-height:25px;margin:14px 0 0}.pnp-feedback{border:1px solid #bddec8;border-radius:20px;padding:22px;margin:20px 0;background:#effaf2}.pnp-feedback h3{font-size:21px;margin-bottom:12px}.pnp-feedback p,.pnp-feedback li{font-size:18px;line-height:1.8;margin:10px 0}.pnp-feedback ol{padding-left:26px}.pnp-feedback details{margin-top:18px;border-top:1px solid #cde1d3;padding-top:14px}.pnp-feedback summary{cursor:pointer;min-height:48px;padding:10px 0;font-weight:800;font-size:17px}.pnp-controls{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}.pnp-controls .pnp-btn{flex:1}.pnp-map{border:1px solid var(--pnp-line);border-radius:20px;padding:18px;margin:22px 0;background:#fff}.pnp-map summary{min-height:45px;cursor:pointer;font-size:16px;font-weight:800;padding:10px 0}.pnp-map-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(45px,1fr));gap:8px;padding:12px 0}.pnp-map-grid button{min-height:45px;border:1px solid var(--pnp-line);border-radius:12px;background:#fff;font-size:14px;font-weight:800}.pnp-map-grid button.answered{background:#e0f4e8;border-color:#a9ceba}.pnp-map-grid button[aria-current=step]{border:2px solid var(--pnp);background:#ebf8ef}.pnp-map-grid button.flagged:after{content:' ⚑';color:#9b740e}.pnp-save{font-size:12px;color:var(--pnp-muted);line-height:1.8;margin:13px 0}.pnp-result{text-align:center}.pnp-result .result-symbol{display:grid;place-items:center;width:94px;height:94px;border-radius:30px;background:linear-gradient(140deg,#e0f5e6,#fff2c4);margin:15px auto 22px;font-size:45px}.pnp-result h1{font-size:36px}.pnp-review{text-align:left;margin:28px 0}.pnp-review summary{font-size:18px;line-height:1.65;font-weight:800;cursor:pointer;padding:17px 0;min-height:55px}.pnp-review details{border-bottom:1px solid var(--pnp-line)}.pnp-review .pnp-question{padding:20px}.pnp-share{padding:23px;border:1px solid var(--pnp-line);border-radius:22px;text-align:left;background:#fff}.pnp-share h2{font-size:24px}.pnp-link-fallback{display:block;user-select:all;overflow-wrap:anywhere;font-size:14px;padding:12px;border-radius:12px;background:#f1f6f2}.pnp-foot{text-align:center;padding:28px 22px;border-top:1px solid var(--pnp-line);color:var(--pnp-muted);font-size:13px;line-height:1.8}.pnp-foot a{display:inline-block;margin:5px 9px;color:var(--pnp-dark)}.pnp-modal{position:fixed;inset:0;background:#10281fc4;z-index:100;display:grid;place-items:center;padding:20px;overflow:auto}.pnp-dialog{width:min(100%,490px);background:#fff;border-radius:25px;padding:26px;box-shadow:0 20px 80px #0004}.pnp-dialog h2{font-size:26px}.pnp-dialog p{font-size:18px;line-height:1.75;margin:17px 0}.pnp-dialog .pnp-btn{width:100%;margin:7px 0}.pnp-empty{padding:25px;border:1px solid var(--pnp-line);border-radius:22px;background:#fff;font-size:18px;line-height:1.75}.pnp-sources li{font-size:15px;line-height:1.8;margin:11px 0}.pnp-curriculum details{margin:15px 0;border:1px solid var(--pnp-line);border-radius:18px;padding:13px 20px;background:white}.pnp-curriculum summary{font-size:21px;line-height:1.5;font-weight:800;cursor:pointer;padding:12px 0;min-height:52px}.pnp-curriculum li{font-size:17px;line-height:1.85}.pnp-page mark.keyword{padding:1px 5px;border-radius:5px;background:#e0f4e9;color:#0e6952}.pnp-page mark.keyword:nth-of-type(3n+2){background:#e9e9ff;color:#514699}.pnp-page mark.keyword:nth-of-type(3n){background:#fff0ca;color:#815d07}.pnp-page .catalog-static[hidden]{display:none!important}.pnp-breadcrumbs{font-size:13px;color:var(--pnp-muted);margin:0 0 22px}.pnp-quiz-intro{font-size:18px;color:var(--pnp-muted);line-height:1.8;margin:12px 0 22px}.pnp-status{font-size:16px;line-height:1.75;margin:15px 0;color:var(--pnp-dark)}
.pnp-page .katex-display{max-width:100%;overflow:auto;padding-bottom:6px}.pnp-page .pnp-question,.pnp-page .pnp-feedback,.pnp-page .pnp-card{overflow-wrap:anywhere}.pnp-page .pnp-choice>span:last-child{min-width:0}.pnp-page .catalog-static{border-top:1px solid var(--pnp-line);margin-top:40px}.pnp-page .catalog-static ul{font-size:16px;line-height:1.85}.pnp-xp{display:inline-block;padding:9px 14px;border-radius:15px;background:#fff3cb;color:#7a5c09;font-size:16px;font-weight:850;margin:15px 0}.pnp-source-figure{margin:20px 0}.pnp-source-figure img{display:block;max-width:100%;height:auto;margin:auto}.pnp-source-figure figcaption{font-size:13px;line-height:1.7;color:var(--pnp-muted);margin-top:8px}
@media(max-width:760px){.pnp-hero{grid-template-columns:1fr}.pnp-art{display:none}.pnp-header nav a:not(:last-child){display:none}.pnp-grid{grid-template-columns:1fr}}@media(max-width:540px){.pnp-shell{padding:24px 19px 52px}.pnp-header{padding:12px 19px;gap:12px}.pnp-header nav{font-size:13px}.pnp-hero{padding:20px 0}.pnp-hero h1{font-size:39px}.pnp-hero p{font-size:19px}.pnp-actions{display:grid;grid-template-columns:1fr}.pnp-actions .pnp-btn{width:100%}.pnp-grid{gap:17px}.pnp-card{padding:22px}.pnp-form{grid-template-columns:1fr}.pnp-form label.wide{grid-column:auto}.pnp-question{padding:22px 18px}.pnp-question h2{font-size:22px}.pnp-choice{padding:15px 13px;font-size:19px;gap:11px}.pnp-feedback{padding:20px 17px}.pnp-controls .pnp-btn{font-size:16px;padding:13px 10px}.pnp-bar{gap:10px}.pnp-clock{font-size:18px;padding:8px 10px}.pnp-stats strong{font-size:25px}.pnp-stats span{font-size:11px}.pnp-tabs a{flex:1;text-align:center;font-size:13px;padding:11px 9px}.pnp-player h1{font-size:31px}.pnp-section>h2{font-size:27px}.pnp-dialog{padding:23px}.pnp-share .pnp-actions{grid-template-columns:1fr 1fr}.pnp-share .pnp-btn{font-size:14px;padding:12px 9px}.pnp-page.in-lesson .pnp-tabs{display:none}}@media(max-width:350px){.pnp-shell{padding-inline:15px}.pnp-header{padding-inline:15px}.pnp-hero h1{font-size:35px}.pnp-question{padding:19px 15px}.pnp-choice{font-size:18px}.pnp-share .pnp-actions{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.pnp-page *{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* Keep only the lesson player and its controls during active study. */
.pnp-page.in-lesson .pnp-foot,.pnp-page.in-lesson .pnp-learning-context{display:none!important}