:root{
  --black:#151515;--red:#dc2019;--red-dark:#ac1712;--yellow:#fff000;
  --burgundy:#3c211f;--paper:#f7f7f4;--text:#1e1b1a;--muted:#696462;
  --border:#e4e1dc;--white:#fff;--shade:#fff5f1;--green:#168e64;
  font-family:system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--text);background:var(--paper);font-size:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-width:320px}
button,textarea,input{font:inherit}button{cursor:pointer}
a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--red);outline-offset:3px}
.container{width:min(1160px,calc(100% - 42px));margin-inline:auto}
.hidden{display:none!important}
.skip-link{position:absolute;left:-999px;top:5px;z-index:200;background:var(--yellow);padding:12px}.skip-link:focus{left:10px}
.site-header{color:#fff;background:var(--black);border-bottom:5px solid var(--yellow)}
.header-main{min-height:119px;padding:20px 0 16px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;gap:18px;align-items:center;text-decoration:none;min-width:0}
.brand-logo{width:76px;height:76px;object-fit:cover;border-radius:13px;flex:none}
.brand-copy{display:block;min-width:0}.brand-copy strong{font-size:24px;letter-spacing:-.03em;font-weight:780;display:block;line-height:1.15}.brand-copy small{display:block;font-size:16px;color:#d0cecc;margin-top:8px}
.header-stamp{font-size:12px;font-weight:800;color:var(--yellow);letter-spacing:.12em;white-space:nowrap}.header-stamp span{color:var(--red)}
.main-nav{display:flex;flex-wrap:wrap;gap:5px;padding:0 0 18px;align-items:center}
.main-nav a{text-decoration:none;padding:12px 15px;border-radius:9px;font-size:15px;font-weight:720;white-space:nowrap;transition:background .15s}
.main-nav a:hover{background:#333}.main-nav a.is-current{color:white;background:var(--red)}
h1,h2,h3,p{margin-top:0}
.eyebrow{font-size:13px;font-weight:860;letter-spacing:.19em;text-transform:uppercase;color:var(--yellow)}
.eyebrow-red{color:var(--red-dark)}
.hero{background:radial-gradient(ellipse at 12% 20%,rgba(123,37,32,.42),transparent 42%),linear-gradient(113deg,#4a2522 0%,#271b1a 100%);color:white;padding:68px 0 64px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(230px,.6fr);align-items:center;gap:55px}
.hero h1{font-size:clamp(42px,5.4vw,76px);line-height:1.08;letter-spacing:-.055em;font-weight:820;margin:20px 0 22px}
.hero-dot{color:var(--yellow)}.hero-lead{font-size:20px;line-height:1.72;color:#eee3df;max-width:740px}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:31px}
.button{border:1px solid transparent;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:14px 19px;font-weight:780;font-size:15px;text-decoration:none;min-height:49px;transition:filter .15s,transform .15s,background .15s;color:inherit}
.button:hover{filter:brightness(.97);transform:translateY(-1px)}.button:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-yellow{background:var(--yellow);color:#171717}.btn-outline-light{background:transparent;border:1px solid #9d8582;color:#fff}.btn-outline-light:hover{background:#ffffff15}
.btn-red{background:var(--red);color:white}.btn-light{background:#fff;border-color:#d6d2cd;color:#24201e}.btn-dark{background:var(--black);color:white}.full{width:100%}
.hero-metrics{display:grid;grid-template-columns:1fr;gap:12px}
.hero-metrics>div{border:1px solid #866664;background:#ffffff0c;border-radius:15px;padding:19px 23px;backdrop-filter:blur(1px)}
.hero-metrics strong{color:var(--yellow);font-size:38px;letter-spacing:-.05em;line-height:1.05;display:block}
.hero-metrics span{font-size:13px;color:#ebddda;display:block;margin-top:5px}
.home-content{padding:55px 0 70px}
.section-head{display:flex;justify-content:space-between;gap:15px;align-items:end;scroll-margin-top:24px}
.section-head h2{font-size:clamp(27px,3vw,40px);letter-spacing:-.045em;margin:9px 0 0}.section-subtitle{color:var(--muted);font-size:14px;padding-bottom:6px}
.group-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:24px 0 35px}
.group-tile{background:white;text-align:left;border:1px solid var(--border);border-radius:18px;padding:22px 25px 22px;min-height:161px;box-shadow:0 7px 25px #251d1a08;display:flex;flex-direction:column;justify-content:space-between;transition:border-color .15s,box-shadow .15s,transform .15s}
.group-tile:hover{transform:translateY(-2px);border-color:var(--red);box-shadow:0 8px 23px #751d1b1e}
.tile-top{display:flex;justify-content:space-between;align-items:center;gap:10px}.tile-code{background:#fce6e3;border-radius:7px;color:var(--red-dark);font-weight:850;font-size:12px;padding:7px 10px;letter-spacing:.08em}.tile-count{font-size:12px;color:var(--muted)}
.group-tile strong{font-weight:790;font-size:20px;letter-spacing:-.025em;line-height:1.25;display:flex;justify-content:space-between;align-items:end;gap:14px}.group-tile .arrow{color:var(--red);font-size:25px;line-height:1}
.exam-panel{background:var(--black);border-radius:20px;padding:37px 40px;color:white;display:flex;align-items:center;justify-content:space-between;gap:24px}
.exam-panel h2{font-size:34px;letter-spacing:-.045em;margin:6px 0 9px}.exam-panel p:not(.eyebrow){color:#d1cbca;max-width:660px;line-height:1.6;margin-bottom:18px}.exam-panel .eyebrow{font-size:12px;margin-bottom:6px}
.pills{display:flex;gap:9px;flex-wrap:wrap}.pills span{border:1px solid #5b5150;border-radius:99px;padding:7px 12px;font-size:12px;color:#e8dada}
.exam-panel>.button{white-space:nowrap}
.study-notice{border-left:5px solid var(--yellow);background:#fffdf2;border-radius:0 11px 11px 0;padding:18px 22px;margin-top:25px;font-size:14px;color:#554c45;line-height:1.7}
.study-notice strong{color:#282321}
.subhero{background:linear-gradient(115deg,#4b2824 0%,#271b1a 100%);color:#fff;padding:28px 0 38px}
.subhero .eyebrow{font-size:12px}.subhero h1{font-size:clamp(31px,4vw,52px);letter-spacing:-.05em;margin:8px 0 8px}.subhero .test-code{color:var(--yellow);font-size:14px;font-weight:750;letter-spacing:.04em;margin:16px 0 0}.subhero .test-subtitle{color:#e4d7d1;line-height:1.6;margin:0}
.session-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:23px;flex-wrap:wrap}
.back-link{border:0;background:transparent;padding:9px 0;color:#fff;font-weight:700;font-size:14px}.back-link:hover{text-decoration:underline}
.session-status{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.session-status>span:first-child{color:#f6e68b;font-size:11px;font-weight:800;letter-spacing:.11em}.clock{background:var(--yellow);color:#1c1615;border-radius:9px;padding:10px 13px;font-variant-numeric:tabular-nums;font-weight:850;font-size:17px}.clock.low{background:var(--red);color:#fff}
.training-content{padding:32px 0 65px}.train-progress{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:12px;font-size:13px;color:#4d4642}.train-progress strong{color:var(--red);font-size:18px}.train-progress-note{color:#817873}.progress-track{height:9px;border-radius:10px;background:#e9e2dc;overflow:hidden;margin-bottom:23px}.progress-track>span{background:var(--red);display:block;height:100%;width:0;transition:width .2s}
.test-layout{display:grid;grid-template-columns:minmax(0,1fr) 338px;gap:20px;align-items:start}
.question-card,.navigation-card{background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:0 6px 22px #2d1e1509;min-width:0;overflow:hidden}
.question-card{padding:31px 34px}.question-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.question-number{font-size:12px;color:var(--red-dark);font-weight:850;letter-spacing:.1em}.flag-button{border:1px solid var(--border);color:#4c4744;background:#faf8f5;padding:9px 11px;border-radius:8px;font-size:13px;font-weight:750}.flag-button[aria-pressed="true"]{background:#fff3b8;border-color:#eacf42}
.question-card h2{font-size:clamp(23px,2.6vw,30px);letter-spacing:-.035em;line-height:1.42;margin:25px 0 23px;overflow-wrap:anywhere}
.reference{border:1px solid #e9dfd4;border-radius:10px;background:#fff9ec;padding:0 15px;margin:18px 0 30px}.reference summary{cursor:pointer;list-style:none;font-weight:760;color:#473b32;padding:14px 0;font-size:13px;display:flex;justify-content:space-between;gap:10px}.reference summary::-webkit-details-marker{display:none}.reference p{font-size:14px;line-height:1.6;margin:0 0 7px;overflow-wrap:anywhere}.reference small{display:block;font-size:12px;color:#7c6f63;padding-bottom:13px}
.answer-area{margin-top:25px}.answer-area label{font-weight:790;font-size:14px;display:block;margin-bottom:10px}.answer-area textarea{display:block;width:100%;resize:vertical;min-height:130px;border:1px solid #d8d3ce;background:#fcfcfb;border-radius:10px;padding:15px;line-height:1.5;font-size:15px;outline-color:var(--red)}.answer-area small{font-size:12px;color:#77706b;display:block;margin-top:8px}
.self-check{border:0;margin:27px 0 28px;padding:0}.self-check legend{font-size:14px;font-weight:800;margin-bottom:11px}.selfcheck-options{display:flex;gap:9px;flex-wrap:wrap}.selfcheck-options label{display:flex;align-items:center;gap:7px;padding:11px 13px;border-radius:9px;border:1px solid #dcd6d1;font-weight:700;font-size:13px;cursor:pointer}.selfcheck-options label:has(input:checked){outline:2px solid #666}.selfcheck-options .radio-good:has(input:checked){background:#d9f6e7;border-color:#67b98e;outline-color:#168e64}.selfcheck-options .radio-bad:has(input:checked){background:#fff2cb;border-color:#d5a847;outline-color:#c29433}.selfcheck-options .radio-neutral:has(input:checked){background:#f1efed;outline-color:#777}.selfcheck-options input{accent-color:var(--red)}
.question-actions{display:flex;justify-content:space-between;gap:12px;padding-top:22px;border-top:1px solid var(--border)}
.nav-card-header{padding:24px 22px 17px;border-bottom:1px solid var(--border)}.nav-card-header h3{font-size:19px;margin:0 0 9px}.nav-card-header p{font-size:13px;line-height:1.5;color:#726b67;margin-bottom:14px}.legend{display:flex;flex-wrap:wrap;gap:7px 12px;font-size:11px;color:#665d57}.legend span{display:flex;align-items:center;gap:4px}.legend i{width:10px;height:10px;border-radius:3px;display:inline-block;border:1px solid #aaa}.legend-known{background:#b9edcf}.legend-repeat{background:#ffe3a4}.legend-current{background:var(--red)}
.question-nav{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;padding:19px}.qnav{background:#f5f4f2;border:1px solid #e2ded8;color:#38322e;border-radius:7px;min-width:0;height:38px;font-size:12px;font-weight:790;position:relative}.qnav:hover{border-color:var(--red)}.qnav.active{background:var(--red)!important;border-color:var(--red)!important;color:#fff!important}.qnav.known{background:#b9edcf;border-color:#7dd4a3}.qnav.repeat{background:#ffe3a4;border-color:#eac26a}.qnav.marked:after{content:'•';color:#c82417;font-size:22px;position:absolute;right:-3px;top:-9px}.qnav.active.marked:after{color:var(--yellow)}
.nav-card-footer{padding:0 19px 19px}.nav-card-footer .button{font-size:13px}
.results-container{padding:40px 0 70px}.results-card{border:1px solid var(--border);border-radius:18px;background:#fff;padding:36px 42px;max-width:960px;margin:auto}.results-card h2{font-size:34px;letter-spacing:-.04em;margin:11px 0}.results-card>p:not(.eyebrow){color:#6d6560;line-height:1.6}
.result-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:27px 0}.result-metrics>div{background:#fff7ea;border:1px solid #f2e4d2;padding:18px;border-radius:11px}.result-metrics strong{display:block;font-size:39px;color:var(--red-dark);line-height:1.1}.result-metrics span{color:#655951;display:block;font-size:12px;margin-top:8px}.group-result{display:flex;justify-content:space-between;align-items:center;gap:18px;border-bottom:1px solid var(--border);padding:12px 0;font-size:14px}.group-result strong{color:var(--red-dark);white-space:nowrap}.result-actions{display:flex;flex-wrap:wrap;gap:9px;margin:28px 0}.legal{font-size:13px}
.site-footer{background:var(--black);color:#fff;border-top:5px solid var(--yellow)}.footer-inner{display:flex;justify-content:space-between;gap:24px;align-items:center;padding:30px 0}.footer-brand{display:flex;align-items:center;gap:13px}.footer-brand img{height:52px;width:52px;border-radius:7px;object-fit:cover}.footer-brand strong{font-size:17px;display:block}.footer-brand span{color:#c7c0ba;font-size:12px;display:block;margin-top:3px}.footer-meta{display:flex;flex-direction:column;align-items:end;gap:7px;font-size:12px;color:#c3bdba}.footer-meta a{font-weight:750;color:var(--yellow)}.noscript{padding:18px;background:#ffe4df;text-align:center}.loading{padding:20px;background:#fff;border-radius:11px;color:#555}
@media(max-width:940px){.hero-grid{gap:25px}.test-layout{grid-template-columns:minmax(0,1fr) 280px}.question-card{padding:26px}.question-nav{grid-template-columns:repeat(5,minmax(0,1fr));padding:15px}.hero{padding:54px 0}.brand-copy strong{font-size:22px}}
@media(max-width:720px){.container{width:min(100% - 32px,1160px)}.header-main{min-height:107px}.header-stamp{display:none}.brand-logo{width:64px;height:64px;border-radius:11px}.brand-copy strong{font-size:20px}.brand-copy small{font-size:13px}.main-nav{gap:3px 2px;padding-bottom:13px}.main-nav a{font-size:13px;padding:10px 11px}.hero-grid{grid-template-columns:1fr;gap:21px}.hero{padding:47px 0 41px}.hero h1{font-size:clamp(35px,8vw,54px);margin:14px 0 18px}.hero-lead{font-size:17px;line-height:1.6}.hero-metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.hero-metrics>div{padding:12px 11px}.hero-metrics strong{font-size:29px}.hero-metrics span{font-size:11px}.home-content{padding:39px 0 50px}.section-head{align-items:start;display:block}.section-subtitle{display:block;margin-top:10px}.group-grid{grid-template-columns:1fr;gap:12px}.group-tile{min-height:119px;padding:18px 19px}.group-tile strong{font-size:19px}.exam-panel{display:block;padding:26px 24px}.exam-panel h2{font-size:29px}.exam-panel>.button{margin-top:23px;width:100%}.test-layout{display:flex;flex-direction:column}.question-card,.navigation-card{width:100%}.question-card{padding:24px 19px}.question-nav{grid-template-columns:repeat(10,minmax(0,1fr))}.train-progress-note{display:none}.results-card{padding:27px 22px}.footer-inner{align-items:flex-start;flex-direction:column}.footer-meta{align-items:flex-start}}
@media(max-width:430px){.brand-copy strong{font-size:17px}.brand-copy small{font-size:12px}.brand-logo{width:57px;height:57px}.main-nav a{padding:9px 9px;font-size:12px}.hero-actions{display:grid;grid-template-columns:1fr}.button{width:100%}.hero-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}.hero-metrics strong{font-size:24px}.hero-metrics span{font-size:10px}.question-nav{grid-template-columns:repeat(7,minmax(0,1fr))}.question-actions{flex-direction:column}.result-metrics{grid-template-columns:1fr}.selfcheck-options{flex-direction:column}.selfcheck-options label{width:100%}.question-head{align-items:start}.group-result{align-items:flex-start;flex-direction:column;gap:4px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button,.group-tile{transition:none}}
/* KB 2027 / přihlášení a objednávky */
.kb-auth{max-width:620px;margin:55px auto 95px;padding:38px 42px;background:#fff;border:1px solid #e6e3df;border-radius:17px;box-shadow:0 18px 60px #2b181008}
.kb-auth.kb-wide{max-width:760px}.kb-auth h1{font-size:clamp(29px,4vw,42px);margin:12px 0 14px;letter-spacing:-.04em}.kb-auth>p{color:#635b54;line-height:1.7}
.kb-form{display:grid;gap:18px;margin-top:26px}.kb-form>label{display:grid;gap:8px;font-size:14px;font-weight:750}.kb-form input:not([type=checkbox]),.kb-form select{width:100%;border-radius:10px;border:1px solid #c9c4bc;padding:13px 15px;color:#1c1615;background:white;font-size:16px;min-height:46px}
.kb-form .consent{display:flex;align-items:start;gap:11px;font-weight:500;line-height:1.5}.kb-form .consent input{margin-top:5px;accent-color:#dc2019;min-width:18px;min-height:18px}.kb-muted{color:#615b56;font-size:13px;margin:0}.kb-links{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:26px}.kb-links a{color:#9b1711;font-weight:750}
.btn-red{color:white;background:#dc2019;border:2px solid #dc2019}.btn-red:hover{background:#ad1712}.btn-quiet{color:#332b25;background:#f7f5f1;border:2px solid #e6dfd8}
.nav-user{color:#fff000;font-weight:750;margin-left:auto;font-size:13px;align-self:center}.nav-form{margin:0;align-self:center}.nav-logout{background:transparent;border:1px solid #807d7b;color:white;border-radius:8px;padding:9px 11px;font:inherit;font-size:13px}.flash{margin-top:20px;padding:16px 20px;border-radius:10px;line-height:1.5}.flash.good{background:#dcf6e4;color:#154f2b}.flash.bad{background:#ffe3dd;color:#7d120b}.kb-honey{position:absolute;left:-10000px}.kb-link-btn{border:0;color:#ac1712;cursor:pointer;text-decoration:underline;background:transparent;font:inherit;font-weight:700;padding:0 4px}
@media(max-width:720px){.kb-auth{margin:20px auto 50px;padding:26px 22px}.nav-user{width:100%}.kb-auth h1{font-size:31px}}

.kb-warning{color:#a4160d;font-size:13px;font-weight:700;line-height:1.4}