@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;500;600;700;800&display=swap');
:root{--bg:#f6f7f3;--surface:#ffffff;--surface-2:#eef2ed;--text:#18211e;--muted:#66736e;--line:#d8dfda;--green:#0f4c3a;--green-2:#17684f;--gold:#c79a32;--gold-soft:#f4ead0;--danger:#a63f45;--ok:#236b49;--shadow:0 12px 35px rgba(19,46,37,.08);--radius:20px}
:root[data-theme="dark"]{--bg:#101714;--surface:#17201c;--surface-2:#1d2924;--text:#eef5f1;--muted:#a7b4ae;--line:#304139;--green:#52a986;--green-2:#75c09f;--gold:#e0b85a;--gold-soft:#3a321f;--danger:#ef8b91;--ok:#77c59e;--shadow:0 15px 40px rgba(0,0,0,.22)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Cairo,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.8}a{color:inherit}.wrap{width:min(1160px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--bg) 91%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.header-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:800}.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--green),var(--green-2));display:grid;place-items:center;color:white;box-shadow:0 6px 20px rgba(15,76,58,.18)}.brand-mark svg{width:21px}.theme-btn,.icon-btn{border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:12px;min-width:42px;height:42px;padding:0 12px;font:600 14px Cairo;cursor:pointer}.hero{padding:64px 0 32px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.6fr);gap:32px;align-items:center}.eyebrow{color:var(--green);font-weight:800;font-size:14px;margin-bottom:10px}.hero h1{font-size:clamp(30px,4.4vw,54px);line-height:1.25;margin:0 0 16px;letter-spacing:-.7px}.hero p{font-size:18px;color:var(--muted);max-width:780px;margin:0}.hero-panel{background:linear-gradient(155deg,var(--green),#0a392c);color:#fff;border-radius:28px;padding:26px;box-shadow:var(--shadow);position:relative;overflow:hidden}.hero-panel:after{content:"";position:absolute;width:170px;height:170px;border:1px solid rgba(255,255,255,.13);border-radius:50%;left:-55px;top:-60px}.hero-panel strong{display:block;font-size:40px;line-height:1.2}.hero-panel span{opacity:.85}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}.stat{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.12);padding:12px;border-radius:15px}.stat b{display:block;font-size:19px}.section{padding:30px 0 52px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}.section h2{font-size:clamp(24px,3vw,34px);margin:0}.section-head p{color:var(--muted);margin:0;max-width:620px}.models{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.model-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;min-height:260px;transition:.2s transform,.2s border-color}.model-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--green) 45%,var(--line))}.model-no{width:44px;height:44px;border-radius:14px;background:var(--gold-soft);color:var(--green);display:grid;place-items:center;font-weight:800;margin-bottom:18px}.model-card h3{font-size:20px;line-height:1.55;margin:0 0 8px}.model-card p{color:var(--muted);font-size:14px;margin:0 0 18px}.meta-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}.chip{font-size:12px;font-weight:700;border-radius:999px;padding:5px 10px;background:var(--surface-2);border:1px solid var(--line)}.card-link{display:inline-flex;align-items:center;justify-content:center;background:var(--green);color:#fff;text-decoration:none;border-radius:12px;padding:10px 16px;font-weight:700;margin-top:16px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step{border-top:3px solid var(--gold);padding:18px 4px 0}.step b{font-size:18px}.step p{color:var(--muted);margin:6px 0}.footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:13px}.breadcrumb{font-size:13px;color:var(--muted);padding-top:22px}.breadcrumb a{text-decoration:none}.folder-hero{padding:34px 0 20px}.folder-hero h1{font-size:clamp(28px,4vw,44px);line-height:1.35;margin:8px 0 10px}.folder-hero p{color:var(--muted);max-width:850px}.folder-summary{display:flex;gap:10px;flex-wrap:wrap}.exam-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.exam-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}.exam-card h2{font-size:21px;margin:12px 0 7px}.exam-card p{color:var(--muted);font-size:14px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{border:0;border-radius:12px;padding:11px 18px;font:700 14px Cairo;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:7px;background:var(--green);color:#fff}.btn.secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--line)}.btn.gold{background:var(--gold);color:#1b1c18}.btn:disabled{opacity:.45;cursor:not-allowed}.info-box{background:var(--gold-soft);border:1px solid color-mix(in srgb,var(--gold) 40%,var(--line));border-radius:18px;padding:18px 20px;margin-top:20px}.info-box h3{margin:0 0 5px}.info-box p{margin:0;color:var(--muted)}
.exam-shell{padding:24px 0 46px}.exam-top{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:start;margin-bottom:18px}.exam-title h1{font-size:clamp(22px,3vw,32px);margin:0}.exam-title p{color:var(--muted);margin:4px 0 0}.timer{font-variant-numeric:tabular-nums;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:8px 14px;font-weight:800}.progress-track{height:8px;background:var(--surface-2);border-radius:10px;overflow:hidden;margin-bottom:20px}.progress-bar{height:100%;width:0;background:linear-gradient(90deg,var(--green),var(--gold));transition:width .25s}.exam-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:20px}.question-card{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:clamp(20px,3vw,32px);box-shadow:var(--shadow)}.question-meta{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-bottom:12px}.question-card h2{font-size:clamp(20px,2.5vw,27px);line-height:1.65;margin:0 0 20px}.question-image{max-width:min(100%,560px);border-radius:14px;border:1px solid var(--line);display:block;margin:0 auto 20px}.options{display:grid;gap:11px}.option{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border:1px solid var(--line);border-radius:14px;cursor:pointer;transition:.15s;background:var(--surface)}.option:hover{border-color:var(--green)}.option.selected{border-color:var(--green);background:color-mix(in srgb,var(--green) 8%,var(--surface))}.option input{margin-top:7px;accent-color:var(--green)}.choice-letter{width:27px;height:27px;flex:0 0 27px;border-radius:9px;background:var(--surface-2);display:grid;place-items:center;font-weight:800;font-size:12px}.exam-controls{display:flex;justify-content:space-between;gap:10px;margin-top:22px;flex-wrap:wrap}.left-actions,.right-actions{display:flex;gap:8px;flex-wrap:wrap}.map-toggle{display:none;margin-bottom:12px}.q-map{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:18px;height:max-content;position:sticky;top:92px}.q-map h3{margin:0 0 12px;font-size:16px}.map-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.qnav{aspect-ratio:1;border-radius:9px;border:1px solid var(--line);background:var(--surface-2);color:var(--text);font:700 12px Cairo;cursor:pointer}.qnav.done{background:color-mix(in srgb,var(--green) 18%,var(--surface));border-color:color-mix(in srgb,var(--green) 45%,var(--line))}.qnav.marked{box-shadow:inset 0 -3px 0 var(--gold)}.qnav.current{outline:2px solid var(--green);outline-offset:1px}.legend{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:14px;font-size:11px;color:var(--muted)}.legend i{display:inline-block;width:9px;height:9px;border-radius:3px;margin-left:5px;background:var(--surface-2);border:1px solid var(--line)}.legend .l-done{background:color-mix(in srgb,var(--green) 18%,var(--surface))}.legend .l-mark{box-shadow:inset 0 -3px 0 var(--gold)}dialog{border:1px solid var(--line);border-radius:20px;background:var(--surface);color:var(--text);padding:0;width:min(480px,calc(100% - 32px));box-shadow:0 30px 80px rgba(0,0,0,.25)}dialog::backdrop{background:rgba(8,18,14,.55)}.dialog-body{padding:24px}.dialog-body h2{margin-top:0}.dialog-body p{color:var(--muted)}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.result-shell{padding:34px 0 50px}.result-summary{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow)}.result-grid{display:grid;grid-template-columns:180px 1fr;gap:26px;align-items:center}.score-ring{width:150px;height:150px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--green) var(--score,0%),var(--surface-2) 0);position:relative}.score-ring:before{content:"";position:absolute;inset:12px;background:var(--surface);border-radius:50%}.score-ring strong{position:relative;font-size:30px}.result-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}.result-stat{padding:12px;border-radius:13px;background:var(--surface-2)}.result-stat b{display:block;font-size:22px}.review-list{display:grid;gap:14px;margin-top:18px}.review-item,.answer-item{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px}.review-item h3,.answer-item h3{font-size:17px;margin:5px 0 12px}.correct-text{color:var(--ok);font-weight:800}.wrong-text{color:var(--danger);font-weight:800}.explanation{border-right:3px solid var(--gold);padding-right:12px;color:var(--muted)}.answers-head{display:flex;justify-content:space-between;gap:16px;align-items:center;margin:28px 0 18px}.answers-head h1{font-size:clamp(26px,3vw,38px);margin:0}.answer-options{display:grid;gap:5px;font-size:14px;color:var(--muted)}.answer-options .is-correct{color:var(--ok);font-weight:800}.empty{padding:30px;text-align:center;color:var(--muted)}
:focus-visible{outline:3px solid color-mix(in srgb,var(--gold) 75%,white);outline-offset:2px}
@media(max-width:900px){.hero-grid,.exam-layout,.result-grid{grid-template-columns:1fr}.models{grid-template-columns:repeat(2,1fr)}.map-toggle{display:inline-flex}.q-map{display:none;position:static}.q-map.mobile-open{display:block}.map-grid{grid-template-columns:repeat(10,1fr)}.hero-panel{max-width:620px}.exam-list{grid-template-columns:1fr}}
@media(max-width:620px){.wrap{width:min(100% - 22px,1160px)}.header-inner{min-height:60px}.brand span:last-child{font-size:13px}.hero{padding-top:38px}.hero h1{font-size:31px}.hero p{font-size:15px}.models,.steps,.stats,.result-stats{grid-template-columns:1fr}.section-head{align-items:start;flex-direction:column}.model-card{min-height:0}.exam-top{grid-template-columns:1fr auto}.exam-title p{font-size:13px}.map-grid{grid-template-columns:repeat(8,1fr)}.question-card{padding:18px}.exam-controls,.left-actions,.right-actions{width:100%}.exam-controls .btn{flex:1}.answers-head{align-items:flex-start;flex-direction:column}}
@media print{.site-header,.print-hide,.footer,.breadcrumb,.answers-head .btn{display:none!important}body{background:#fff;color:#000}.wrap{width:100%}.answer-item{break-inside:avoid;border:1px solid #bbb;box-shadow:none}.answer-options{color:#333}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}