.kpf-app{--ink:#173b46;--accent:#a56b37;--line:#dce4e1;--paper:#fbfaf6;color:var(--ink);max-width:1180px;margin:32px auto 64px;font-family:inherit;line-height:1.7}.kpf-app *{box-sizing:border-box}.kpf-app [hidden]{display:none!important}.kpf-hero{position:relative;overflow:hidden;background:radial-gradient(ellipse at 100% 0,#356568,transparent 63%),#123d46;color:#fff;border-radius:24px;padding:58px 60px 36px}.kpf-hero:after{content:'φ';position:absolute;right:32px;top:-100px;font-family:Georgia,serif;font-size:350px;opacity:.07;pointer-events:none}.kpf-eyebrow{font-size:11px;letter-spacing:.16em;font-weight:700;color:#e2c6a2}.kpf-hero h2{font-size:clamp(32px,4.7vw,58px);line-height:1.16;letter-spacing:-.035em;color:#fff!important;margin:24px 0!important;font-weight:650}.kpf-hero h2 em{font-family:Georgia,serif;color:#e5bf91;font-weight:400}.kpf-hero p{font-size:17px;max-width:690px;color:#e5edeb;margin:0 0 30px}.kpf-metrics{display:flex;align-items:center;flex-wrap:wrap;gap:28px;padding-top:24px;border-top:1px solid #ffffff30;font-size:13px;color:#dce7e3}.kpf-metrics strong{font-size:23px;color:#fff;margin-right:5px}.kpf-filters{display:flex;align-items:end;gap:18px;flex-wrap:wrap;margin:28px 0;padding:22px 26px;background:var(--paper);border:1px solid var(--line);border-radius:14px}.kpf-filters label{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:700;min-width:175px}.kpf-filters select{font:inherit;font-size:14px;background:white;color:var(--ink);border:1px solid #c7d4d1;border-radius:7px;padding:10px 34px 10px 12px;min-height:44px;width:100%}.kpf-app .kpf-reset{background:transparent;color:var(--ink);border:1px solid #b8cbc6;padding:10px 16px;border-radius:7px;font:inherit;font-size:13px;min-height:44px;cursor:pointer}.kpf-count{margin-left:auto;font-size:12px;padding-bottom:10px;color:#596e71}.kpf-exam{margin:14px 0;border:1px solid var(--line);border-radius:14px;background:white;overflow:hidden}.kpf-app summary{cursor:pointer;list-style:none}.kpf-app summary::-webkit-details-marker{display:none}.kpf-exam-details>summary{display:flex;align-items:center;gap:24px;padding:24px 28px}.kpf-year-badge{font-size:27px;line-height:1;color:var(--ink);font-weight:700;padding:18px 16px;background:#edf3ef;border-radius:10px;font-variant-numeric:tabular-nums}.kpf-exam summary strong{display:block;font-size:20px}.kpf-exam summary small{display:block;color:#64777a;font-size:12px;margin-top:4px}.kpf-open-label{margin-left:auto;color:var(--accent);font-size:13px;font-weight:600;white-space:nowrap}.kpf-open-label span{margin-left:12px;font-size:22px}.kpf-exam-details[open]>summary{border-bottom:1px solid var(--line);background:var(--paper)}.kpf-exam-body{padding:32px}.kpf-exam-body h3{font-size:23px!important;line-height:1.4;color:var(--ink);margin:0 0 20px!important}.kpf-paper{margin-bottom:40px;min-width:0}.kpf-section-head{padding-top:28px;border-top:1px solid var(--line);margin-bottom:18px}.kpf-section-head>span{font-size:10px;letter-spacing:.14em;color:var(--accent);font-weight:700}.kpf-section-head h3{margin-top:8px!important}.kpf-solution{border:1px solid var(--line);border-radius:8px;margin:10px 0}.kpf-solution>summary{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:16px 20px;font-weight:700}.kpf-solution>summary:after{content:'+';font-size:22px;font-weight:400}.kpf-solution[open]>summary:after{content:'−'}.kpf-solution>summary span{font-size:11px;font-weight:400;color:#657b7d;margin-left:auto}.kpf-solution-content{padding:22px;border-top:1px solid var(--line);font-size:16px;overflow-x:auto;overflow-wrap:anywhere}.kpf-solution-content p{margin:0 0 1em}.kpf-solution-content table{width:100%;border-collapse:collapse}.kpf-solution-content td,.kpf-solution-content th{padding:8px;border:1px solid var(--line)}.kpf-practice{margin-top:34px}.kpf-books{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.kpf-book{padding:24px;border-radius:12px;border:1px solid #e6dbca;background:#fbf8f1}.kpf-book h4{font-size:18px;color:var(--ink);margin:0 0 8px}.kpf-book p{font-size:14px;margin:8px 0}.kpf-book dl{display:flex;gap:28px;margin:14px 0}.kpf-book dt{font-size:10px;text-transform:uppercase;color:#766953}.kpf-book dd{margin:0;font-weight:600;font-size:14px}.kpf-book a{color:#805026;font-size:13px;font-weight:700}.kpf-empty,.kpf-no-results{padding:22px;background:#f3f6f4;border-radius:9px;color:#5b7173;font-size:14px}.kpf-figure{margin:24px auto;text-align:center}.kpf-figure img{display:block;max-width:100%;height:auto;margin:auto;border-radius:6px}.kpf-figure figcaption{font-size:12px;color:#61777a;margin-top:10px}.kpf-footer{text-align:center;padding:26px 12px;color:#697d7d;font-size:12px}.kpf-preview{background:#fff4d8;padding:12px 20px;border-radius:8px}.kpf-app :focus-visible{outline:3px solid #b27b3e;outline-offset:4px}.kpf-app mjx-container[display=true]{overflow-x:auto;overflow-y:hidden;padding:8px 0}.kpf-app img{max-width:100%}@media(max-width:700px){.kpf-app{margin:20px 0}.kpf-hero{padding:36px 25px 25px;border-radius:16px}.kpf-hero p{font-size:15px}.kpf-metrics{gap:18px}.kpf-metrics span:last-child{width:100%}.kpf-filters{padding:18px;gap:12px}.kpf-filters label{flex:1;min-width:130px}.kpf-count{margin-left:0}.kpf-exam-details>summary{gap:14px;padding:18px 15px}.kpf-year-badge{font-size:22px;padding:16px 10px}.kpf-exam summary strong{font-size:17px}.kpf-open-label{font-size:0}.kpf-open-label span{font-size:22px;margin:0}.kpf-exam-body{padding:20px 15px}.kpf-books{grid-template-columns:1fr}.kpf-solution-content{padding:16px}.kpf-solution>summary{padding:14px}.kpf-hero:after{right:0}}

.kpf-app .kpf-book-heading{display:flex;gap:20px;align-items:center;margin-bottom:24px}.kpf-app .kpf-book-cover{width:132px;height:auto;flex:0 0 132px;border-radius:3px;box-shadow:0 7px 18px #173b4626}.kpf-app .kpf-book-label{font-size:9px;letter-spacing:.09em;color:#805026}.kpf-app .kpf-book-heading h4{font-size:19px;line-height:1.4;margin:8px 0}.kpf-app .kpf-book-heading p{font-size:12px;line-height:1.5}.kpf-app .kpf-book-exercises{list-style:none;padding:0;margin:0}.kpf-app .kpf-book-exercises li{border-top:1px solid #e6dbca;padding:16px 0 8px}.kpf-app .kpf-book-exercises h5{font-size:15px;line-height:1.5;color:var(--ink);margin:0}.kpf-app .kpf-book-exercises h5 span{font-weight:400;color:#766953}.kpf-app .kpf-book-exercises p{margin:6px 0;font-size:13px;line-height:1.65}.kpf-app .kpf-book-exercises .kpf-book-chapter{font-size:11px;color:#766953}@media(max-width:430px){.kpf-app .kpf-book{padding:18px}.kpf-app .kpf-book-heading{gap:14px}.kpf-app .kpf-book-cover{width:100px;flex-basis:100px}.kpf-app .kpf-book-heading h4{font-size:16px}}