:root{--bg:#f4f6fb;--surface:#ffffff;--surface-2:#f7f9fd;--surface-3:#eef2f9;--border:#e3e8f1;--border-strong:#ccd6e6;--text:#0f1826;--text-2:#46566b;--text-3:#74839a;--primary:#0d9488;--primary-700:#0b7268;--primary-050:#e6f7f4;--primary-100:#cdeee9;--primary-bright:#14b8a6;--accent:#f59e0b;--red:#dc2626;--yellow:#d97706;--green:#16a34a;--blue:#2563eb;--accent-teal:#2dd4bf;--accent-amber:#f5a623;--accent-blue:#3b82f6;--accent-purple:#8b5cf6;--accent-red:#ef4444;--accent-green:#22c55e;--radius:16px;--radius-sm:10px;--radius-lg:22px;--radius-pill:999px;--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:20px;--sp-6:24px;--sp-8:32px;--sp-10:40px;--sp-12:48px;--fs-xs:0.78rem;--fs-sm:0.88rem;--fs-md:1rem;--fs-lg:1.15rem;--fs-xl:1.4rem;--fs-2xl:1.9rem;--fs-3xl:2.6rem;--ic-sm:18px;--ic-md:22px;--ic-lg:28px;--dur-fast:0.14s;--dur-base:0.24s;--dur-slow:0.4s;--ease:cubic-bezier(0.4,0,0.2,1);--ease-out:cubic-bezier(0.16,1,0.3,1);--blur-sm:8px;--blur-md:16px;--op-muted:0.72;--op-faint:0.5;--shadow-1:0 1px 3px rgba(16,24,40,0.08);--shadow-2:0 10px 30px rgba(16,24,40,0.1);--shadow-glow:0 0 0 rgba(0,0,0,0);--font:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif}:root[data-theme=dark]{--bg:#050b16;--surface:#0b1523;--surface-2:#0f1c2e;--surface-3:#14243a;--border:#1c2c44;--border-strong:#29405f;--text:#e8eef7;--text-2:#9fb0c6;--text-3:#6d7f97;--primary:#2dd4bf;--primary-700:#5eead4;--primary-050:#0b2b2a;--primary-100:#113a37;--primary-bright:#2dd4bf;--accent:#f5a623;--red:#f87171;--yellow:#fbbf24;--green:#34d399;--blue:#60a5fa;--shadow-1:0 1px 3px rgba(0,0,0,0.4);--shadow-2:0 12px 34px rgba(0,0,0,0.5);--shadow-glow:0 0 26px rgba(45,212,191,0.22)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#050b16;--surface:#0b1523;--surface-2:#0f1c2e;--surface-3:#14243a;--border:#1c2c44;--border-strong:#29405f;--text:#e8eef7;--text-2:#9fb0c6;--text-3:#6d7f97;--primary:#2dd4bf;--primary-700:#5eead4;--primary-050:#0b2b2a;--primary-100:#113a37;--primary-bright:#2dd4bf;--accent:#f5a623;--red:#f87171;--yellow:#fbbf24;--green:#34d399;--blue:#60a5fa;--shadow-1:0 1px 3px rgba(0,0,0,0.4);--shadow-2:0 12px 34px rgba(0,0,0,0.5);--shadow-glow:0 0 26px rgba(45,212,191,0.22)}}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.2;letter-spacing:-.01em}:focus-visible{outline:3px solid var(--primary);outline-offset:2px;border-radius:6px}.skip-link{position:absolute;left:8px;top:-60px;background:var(--primary);color:#fff;padding:10px 16px;border-radius:8px;transition:top .2s;z-index:100}.skip-link:focus{top:8px}.container{max-width:1080px;margin:0 auto;padding:0 clamp(16px,4vw,32px)}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--surface) 88%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.topbar__inner{gap:16px;height:60px}.brand,.topbar__inner{display:flex;align-items:center}.brand{font-weight:800;color:var(--text);gap:8px}.brand b{color:var(--primary)}.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}.nav a{color:var(--text-2);padding:8px 12px;border-radius:10px}.nav a:hover{background:var(--surface-3);color:var(--text);text-decoration:none}.hero{border-radius:22px;background:linear-gradient(135deg,var(--primary-700),var(--primary) 62%,#14a89a);color:#fff;padding:clamp(24px,5vw,48px);box-shadow:var(--shadow-2);margin:24px 0}.hero h1{font-size:clamp(1.6rem,4vw,2.4rem);margin:0 0 12px}.hero p{max-width:60ch;color:rgba(255,255,255,.94);margin:0 0 20px}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:12px;font-weight:700;font-size:1rem;background:var(--primary);color:#fff;border:1px solid transparent;cursor:pointer;transition:filter .15s,transform .1s}.btn:hover{filter:brightness(1.07);text-decoration:none}.btn:active{transform:translateY(1px)}.btn--onhero{background:rgba(255,255,255,.18);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.btn--ghost{background:transparent;color:var(--text);border-color:var(--border-strong)}.btn[disabled]{opacity:.5;cursor:default}.grid{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-1);padding:20px}.card--link{transition:transform .15s,box-shadow .15s,border-color .15s;display:block;color:inherit}.card--link:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--border-strong);text-decoration:none}.section-title{font-size:1.3rem;margin:34px 0 14px}.muted{color:var(--text-3)}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.72rem;font-weight:700;background:var(--primary-050);color:var(--primary)}.quiz{max-width:680px;margin:0 auto}.progress{height:8px;background:var(--surface-3);border-radius:99px;overflow:hidden;margin-bottom:8px}.progress>span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),#16a89a);transition:width .3s}.opt{display:flex;gap:12px;align-items:center;width:100%;text-align:left;padding:15px 16px;margin-bottom:10px;border-radius:13px;border:1.5px solid var(--border);background:var(--surface);color:inherit;cursor:pointer;font-size:1rem}.opt:hover:not(:disabled){border-color:var(--primary);background:var(--surface-2)}.opt__key{flex:0 0 30px;height:30px;border-radius:8px;display:grid;place-items:center;background:var(--surface-3);font-weight:700}.opt.correct{border-color:var(--green);background:color-mix(in srgb,var(--green) 12%,var(--surface))}.opt.wrong{border-color:var(--red);background:color-mix(in srgb,var(--red) 12%,var(--surface))}.explain{padding:13px 16px;border-radius:12px;background:color-mix(in srgb,var(--blue) 10%,var(--surface));border:1px solid color-mix(in srgb,var(--blue) 30%,var(--surface));margin-bottom:16px}.light{display:inline-block;width:14px;height:14px;border-radius:50%}.light--yesil{background:var(--green)}.light--sari{background:var(--yellow)}.light--kirmizi{background:var(--red)}.readiness-score{font-size:3.4rem;font-weight:850;line-height:1}.prose p{margin:0 0 12px}.prose ul{padding-left:20px}.prose li{margin-bottom:6px}footer.site{border-top:1px solid var(--border);margin-top:60px;padding:24px 0;color:var(--text-3);font-size:.88rem}.shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.shell__content{position:relative;padding:0 clamp(16px,4vw,44px) 72px;min-width:0}.sidebar{position:-webkit-sticky;position:sticky;top:0;height:100vh;overflow-y:auto;background:var(--surface);border-right:1px solid var(--border);padding:18px 12px;display:flex;flex-direction:column}.sidebar__brand{padding:4px 10px 14px;font-size:1.05rem}.sidebar__nav{flex:1 1;display:flex;flex-direction:column;gap:14px}.sidebar__group-title{font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3);padding:0 10px 6px}.side-link{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;color:var(--text-2);font-size:.95rem;font-weight:500;transition:background .14s,color .14s,transform .1s}.side-link:hover{background:var(--surface-3);color:var(--text);text-decoration:none}.side-link:active{transform:scale(.985)}.side-link--active{background:var(--primary-050);color:var(--primary);font-weight:700}.side-link__icon{width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;color:var(--text-3);flex:0 0 auto}.side-link:hover .side-link__icon{color:var(--text)}.side-link--active .side-link__icon{color:var(--primary)}.sidebar__foot{padding:12px 10px 4px;font-size:.85rem}.appbar,.scrim{display:none}@media (max-width:900px){.shell{grid-template-columns:1fr}.appbar{display:flex;align-items:center;gap:12px;position:-webkit-sticky;position:sticky;top:0;z-index:60;height:56px;padding:0 14px;background:color-mix(in srgb,var(--surface) 92%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.appbar__menu{font-size:1.3rem;background:none;border:none;color:var(--text);cursor:pointer;padding:6px 10px;border-radius:8px}.appbar__menu:hover{background:var(--surface-3)}.appbar__streak{margin-left:auto;font-weight:700}.sidebar{position:fixed;left:0;top:0;z-index:80;width:min(300px,84vw);transform:translateX(-102%);transition:transform .2s ease;box-shadow:0 18px 44px rgba(0,0,0,.35)}.sidebar--open{transform:translateX(0)}.scrim{display:block;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:70}}.stat-tile{padding:16px 18px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-1)}.stat-tile__num{font-size:1.7rem;font-weight:800;line-height:1;color:var(--primary)}.stat-tile__cap{color:var(--text-3);font-size:.84rem;margin-top:6px}.bar{height:10px;background:var(--surface-3);overflow:hidden}.bar,.bar>span{border-radius:99px}.bar>span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),#16a89a);transition:width .6s cubic-bezier(.4,0,.2,1)}@keyframes shimmer{0%{background-position:-200px 0}to{background-position:200px 0}}.skeleton{border-radius:10px;background:linear-gradient(90deg,var(--surface-3) 25%,var(--surface-2) 50%,var(--surface-3) 75%);background-size:400px 100%;animation:shimmer 1.1s linear infinite;min-height:16px}@media (prefers-reduced-motion:reduce){*{animation-duration:.001ms!important;transition-duration:.001ms!important}}.chat{display:flex;flex-direction:column;gap:10px;max-width:720px}.chat__msg{padding:12px 16px;border-radius:14px;max-width:85%;line-height:1.55}.chat__msg--user{align-self:flex-end;background:var(--primary);color:#fff;border-bottom-right-radius:4px}.chat__msg--ai{align-self:flex-start;background:var(--surface);border:1px solid var(--border);border-bottom-left-radius:4px}.chat__form{display:flex;gap:8px;margin-top:14px}.chat__input{flex:1 1;padding:12px 14px;border-radius:12px;border:1.5px solid var(--border);background:var(--surface);color:var(--text);font:inherit}.chat__input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-100)}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}table.tbl{width:100%;border-collapse:collapse;min-width:560px}.tbl td,.tbl th{text-align:left;padding:11px 14px;border-bottom:1px solid var(--border);font-size:.92rem}.tbl thead th{font-size:.76rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text-3);position:-webkit-sticky;position:sticky;top:0}.tbl tbody tr:hover,.tbl thead th{background:var(--surface-2)}.tbl tbody tr:last-child td{border-bottom:none}.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.74rem;font-weight:700;border:1px solid var(--border-strong)}.pill--draft{color:var(--text-3)}.pill--in_review{color:var(--yellow);border-color:var(--yellow)}.pill--approved{color:var(--blue);border-color:var(--blue)}.pill--published{color:var(--green);border-color:var(--green)}.pill--retired{color:var(--red);border-color:var(--red)}.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}.toolbar input,.toolbar select{padding:9px 12px;border-radius:10px;border:1.5px solid var(--border);background:var(--surface);color:var(--text);font:inherit}.btn--sm{padding:7px 12px;font-size:.86rem}.plan-steps{list-style:none;padding:0;margin:10px 0 0;display:grid;grid-gap:12px;gap:12px}.plan-step{display:flex;gap:14px;padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);transition:transform .15s ease,border-color .15s ease}.plan-step:hover{transform:translateY(-2px);border-color:var(--primary-100)}.plan-step__badge{font-size:1.5rem;line-height:1}.plan-step__body{flex:1 1}.plan-step__head{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.pill--lesson{color:var(--blue);border-color:var(--blue)}.pill--practice{color:var(--primary);border-color:var(--primary)}.pill--review{color:var(--yellow);border-color:var(--yellow)}.pill--exam{color:var(--green);border-color:var(--green)}.flip-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));grid-gap:12px;gap:12px;margin-top:12px}.flip-card{border:0;background:transparent;padding:0;cursor:pointer;perspective:900px;min-height:108px;font:inherit;text-align:left}.flip-card__inner{position:relative;display:block;width:100%;height:100%;min-height:108px;transition:transform .5s cubic-bezier(.4,0,.2,1);transform-style:preserve-3d}.flip-card--on .flip-card__inner{transform:rotateY(180deg)}.flip-card__face{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:14px;border-radius:var(--radius);border:1px solid var(--border);backface-visibility:hidden;-webkit-backface-visibility:hidden}.flip-card__front{background:var(--surface);font-weight:600}.flip-card__back{background:var(--primary-050);border-color:var(--primary-100);transform:rotateY(180deg);color:var(--text)}.practice-q .opt{text-align:left;padding:10px 14px;border-radius:10px;border:1.5px solid var(--border);background:var(--surface);color:var(--text);font:inherit;cursor:pointer;transition:border-color .15s ease,background .15s ease}.practice-q .opt:hover:not(:disabled){border-color:var(--primary)}.practice-q .opt:disabled{cursor:default}.opt--correct{border-color:var(--green)!important;background:color-mix(in srgb,var(--green) 12%,var(--surface))!important}.opt--wrong{border-color:var(--red)!important;background:color-mix(in srgb,var(--red) 12%,var(--surface))!important}.practice-explain{margin-top:10px;border-top:1px dashed var(--border);padding-top:8px}.plan-top{display:grid;grid-template-columns:1fr;grid-gap:14px;gap:14px}@media (min-width:720px){.plan-top{grid-template-columns:1.4fr 1fr;align-items:start}}@media (prefers-reduced-motion:reduce){.flip-card__inner,.plan-step{transition:none}}.premium-badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:.72rem;font-weight:700;color:#7a5b00;background:linear-gradient(90deg,#ffe08a,#ffc84a);border:1px solid #e0a92e}.premium-badge--owned{color:#04231f;background:linear-gradient(90deg,#7ff0e0,#14b8a6);border-color:#0e9384}.paywall{text-align:center;margin-top:20px;border:1px dashed var(--border-strong);background:color-mix(in srgb,var(--primary) 5%,var(--surface))}.modal-scrim{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;padding:16px;z-index:100}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;max-width:440px;width:100%;box-shadow:0 20px 60px rgba(0,0,0,.4);animation:modal-in .18s ease}@keyframes modal-in{0%{opacity:0;transform:translateY(8px)}}.cookie-consent{position:fixed;left:12px;right:12px;bottom:12px;z-index:90;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius);box-shadow:0 10px 40px rgba(0,0,0,.35);padding:14px 16px}.cookie-consent__body{display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap;max-width:900px;margin:0 auto;font-size:.9rem}.cookie-consent__actions{display:flex;gap:8px;flex-wrap:wrap}.site__legal{display:flex;gap:16px;flex-wrap:wrap;margin-top:10px;font-size:.85rem}.legal h2{margin-top:26px;font-size:1.15rem}.legal li,.legal p{line-height:1.7}@media (min-width:720px){.modal{padding:26px}}.level-hero{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}.journey{list-style:none;margin:10px 0 0;padding:0}.journey__step{display:flex;align-items:center;gap:12px;border-left:2px solid var(--border);padding:9px 0 9px 16px;margin-left:11px;color:var(--text-3)}.journey__step--done{color:var(--text);font-weight:600}.journey__dot{width:22px;height:22px;border-radius:50%;border:2px solid var(--border-strong);background:var(--surface);display:inline-flex;align-items:center;justify-content:center;font-size:.75rem;margin-left:-28px;flex-shrink:0}.journey__step--done .journey__dot{background:var(--primary);border-color:var(--primary);color:#04231f;font-weight:800}.nudge{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--radius);border:1px solid var(--primary-100);background:var(--primary-050);margin-bottom:14px}.nudge__text{flex:1 1;font-size:.92rem}.nudge--warn{border-color:var(--yellow);background:color-mix(in srgb,var(--yellow) 10%,var(--surface))}.chip-row{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 16px}.chip{padding:6px 12px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--text-2);font-size:.84rem;font-weight:600;cursor:pointer;transition:border-color .15s ease,background .15s ease}.chip--on,.chip:hover{border-color:var(--primary)}.chip--on{background:var(--primary);color:#04231f}.sign-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));grid-gap:14px;gap:14px}.sign-card{border:0;background:transparent;padding:0;cursor:pointer;perspective:1000px;min-height:214px;font:inherit}.sign-card__inner{position:relative;display:block;width:100%;min-height:214px;transition:transform .5s cubic-bezier(.4,0,.2,1);transform-style:preserve-3d}.sign-card--on .sign-card__inner{transform:rotateY(180deg)}.sign-card__face{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:14px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);backface-visibility:hidden;-webkit-backface-visibility:hidden;text-align:center}.sign-card__front{justify-content:space-between}.sign-card__name{font-size:.85rem;font-weight:600}.sign-card__back{transform:rotateY(180deg);justify-content:flex-start;gap:5px;overflow:hidden}.sign-card__back>span{display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;line-height:1.35}.sign-card__detail{margin-top:auto;padding-top:2px}.imp{font-size:.72rem;color:var(--yellow);letter-spacing:1px}@media (prefers-reduced-motion:reduce){.sign-card__inner{transition:none}}.hero--split{display:grid;grid-template-columns:1fr;grid-gap:24px;gap:24px;align-items:center;overflow:hidden;position:relative}@media (min-width:860px){.hero--split{grid-template-columns:1.15fr .85fr}}.hero__eyebrow{opacity:.9;font-weight:700;letter-spacing:.06em;font-size:.8rem;margin:0 0 8px}.hero .grad{background:linear-gradient(90deg,#ffe08a,#fff);-webkit-background-clip:text;background-clip:text;color:transparent}.hero__stats{display:flex;gap:22px;flex-wrap:wrap;margin-top:24px}.hero__stat-n{font-size:1.7rem;font-weight:800;line-height:1}.hero__stat-c{font-size:.78rem;opacity:.85;margin-top:2px}.hero-art{position:relative}.hero-art__signs{position:absolute;inset:0;pointer-events:none}.hero-sign{position:absolute;filter:drop-shadow(0 6px 14px rgba(0,0,0,.28));animation:float 6s ease-in-out infinite}.hero-sign--a{top:6%;left:8%}.hero-sign--b{top:40%;right:6%;animation-delay:1.4s}.hero-sign--c{bottom:8%;left:22%;animation-delay:2.6s}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));grid-gap:14px;gap:14px}.feature-card{display:flex;flex-direction:column;gap:6px;padding:18px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);text-decoration:none;color:var(--text);transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}.feature-card:hover{transform:translateY(-3px);border-color:var(--primary-100);box-shadow:var(--shadow-1)}.feature-card--static{cursor:default}.feature-card--static:hover{transform:none}.feature-card__icon{font-size:1.7rem}.journey-flow{flex-wrap:wrap}.journey-flow,.journey-flow__step{display:flex;gap:10px;align-items:center}.journey-flow__step{padding:10px 14px;border:1px solid var(--border);border-radius:999px;background:var(--surface);font-weight:600;font-size:.9rem}.journey-flow__num{width:22px;height:22px;border-radius:50%;background:var(--primary);color:#04231f;display:inline-flex;align-items:center;justify-content:center;font-size:.78rem;font-weight:800}.journey-flow__arrow{color:var(--text-3);margin-left:4px}.dist-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));grid-gap:14px;gap:14px}.dist-card{padding:16px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}.dist-card__bar{height:8px;border-radius:99px;background:var(--surface-3);overflow:hidden;margin-bottom:10px}.dist-card__bar>span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),#16a89a)}.cta-band{margin:30px 0 8px;padding:clamp(24px,4vw,40px);border-radius:22px;text-align:center;background:color-mix(in srgb,var(--primary) 10%,var(--surface));border:1px solid var(--primary-100)}@media (prefers-reduced-motion:reduce){.hero-sign{animation:none}}.callout{--callout-c:var(--blue);gap:12px;align-items:flex-start;margin:16px 0;padding:14px 16px;border:1px solid color-mix(in srgb,var(--callout-c) 34%,var(--border));border-left:4px solid var(--callout-c);background:color-mix(in srgb,var(--callout-c) 9%,var(--surface))}.callout__icon{font-size:1.15rem;line-height:1.4}.callout__title{color:var(--callout-c);font-size:.9rem;letter-spacing:.01em}.callout__text{margin:4px 0 0;line-height:1.6}.cmp-wrap{margin:18px 0;overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius)}.cmp{width:100%;border-collapse:collapse;font-size:.92rem;min-width:320px}.cmp__cap{caption-side:top;text-align:left;padding:12px 14px 0;font-weight:600;color:var(--text-2)}.cmp td,.cmp th{padding:10px 14px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top;line-height:1.55}.cmp thead th{background:var(--surface-2);color:var(--text);font-weight:700;border-bottom:2px solid var(--border-strong)}.cmp thead th:first-child{background:var(--surface-3)}.cmp__rowhead{background:var(--surface-2);color:var(--text);font-weight:600;white-space:nowrap}.cmp tbody tr:last-child td,.cmp tbody tr:last-child th{border-bottom:none}.empty-state{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;padding:44px 20px;border:1px dashed var(--border-strong);border-radius:18px;background:var(--surface)}.empty-state__icon{font-size:2.4rem;filter:grayscale(.15);opacity:.9}.empty-state__title{font-size:1.05rem}.empty-state__hint{margin:0;max-width:42ch;color:var(--text-3);font-size:.9rem;line-height:1.55}.empty-state__action{margin-top:6px}.vehicle-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));grid-gap:14px;gap:14px}.asset-figure{margin:0 0 4px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface-2)}.asset-figure__img{display:block;width:100%;height:auto}.asset-figure__cap{padding:8px 12px;font-size:.8rem;color:var(--text-3);border-top:1px solid var(--border)}.lesson-photos{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:12px;gap:12px;margin:18px 0}@media (max-width:700px){.lesson-photos{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px}.lesson-photos .asset-figure{flex:0 0 85%;scroll-snap-align:start}}.lesson-interactive{display:grid;grid-gap:20px;gap:20px;margin:20px 0}.hotspots__intro{margin:0 0 8px;font-size:.88rem}.hotspots__stage{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}.hotspots__img{display:block;width:100%;height:auto}.hotspots__dot{position:absolute;transform:translate(-50%,-50%);width:34px;height:34px;border-radius:50%;border:2px solid #fff;background:color-mix(in srgb,var(--primary) 85%,#000);color:#fff;font-size:1.1rem;font-weight:700;line-height:1;cursor:pointer;display:grid;place-items:center;box-shadow:0 2px 10px rgba(0,0,0,.45);animation:hotspot-pulse 2.2s ease-in-out infinite}.hotspots__dot--on,.hotspots__dot:focus-visible,.hotspots__dot:hover{animation:none;background:var(--primary);outline-offset:2px}@keyframes hotspot-pulse{0%,to{box-shadow:0 2px 10px rgba(0,0,0,.45),0 0 0 0 color-mix(in srgb,var(--primary) 55%,transparent)}50%{box-shadow:0 2px 10px rgba(0,0,0,.45),0 0 0 12px transparent}}@media (prefers-reduced-motion:reduce){.hotspots__dot{animation:none}}.hotspots__pop{position:absolute;max-width:min(320px,60%);background:var(--surface);border:1px solid var(--border-strong);border-radius:12px;padding:10px 14px;box-shadow:0 10px 30px rgba(0,0,0,.4);z-index:2}.hotspots__pop p{margin:4px 0 0;font-size:.86rem;color:var(--text-2);line-height:1.5}.cmp-slider__stage{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}.cmp-slider__img{display:block;width:100%;height:auto}.cmp-slider__topwrap{position:absolute;inset:0 auto 0 0;overflow:hidden}.cmp-slider__img--top{width:auto;height:100%;max-width:none}.cmp-slider__divider{position:absolute;top:0;bottom:0;width:3px;background:#fff;transform:translateX(-50%);box-shadow:0 0 8px rgba(0,0,0,.6)}.cmp-slider__tag{position:absolute;top:10px;padding:4px 10px;border-radius:99px;font-size:.78rem;font-weight:700;color:#fff;background:rgba(0,0,0,.55)}.cmp-slider__tag--l{left:10px}.cmp-slider__tag--r{right:10px}.cmp-slider__range{width:100%;margin-top:10px;accent-color:var(--primary)}.cmp-slider__cap{margin:6px 0 0;font-size:.85rem}.stepflow{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden}.stepflow__head{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border)}.stepflow__stage img{display:block;width:100%;height:auto}.stepflow__body{padding:12px 16px}.stepflow__nav{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 16px 14px}.stepflow__dots{display:flex;gap:6px}.stepflow__dot{width:10px;height:10px;border-radius:50%;border:none;background:var(--surface-3);cursor:pointer;padding:0}.stepflow__dot--on{background:var(--primary)}.zoomable{position:relative;display:block;width:100%;padding:0;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;cursor:zoom-in;background:none}.zoomable__img{display:block;width:100%;height:auto}.zoomable__hint{position:absolute;right:10px;bottom:10px;padding:4px 10px;border-radius:99px;font-size:.78rem;color:#fff;background:rgba(0,0,0,.55)}.zoomable__cap{margin:6px 0 0;font-size:.85rem}.zoom-overlay{position:fixed;inset:0;z-index:90;background:rgba(0,0,0,.88);display:grid;grid-template-rows:1fr auto}.zoom-overlay__stage{overflow:hidden;display:grid;place-items:center;touch-action:none;cursor:-webkit-grab;cursor:grab}.zoom-overlay__img{max-width:92vw;max-height:78vh;-webkit-user-select:none;-moz-user-select:none;user-select:none;transition:transform .08s linear}.zoom-overlay__bar{display:flex;justify-content:center;gap:10px;padding:14px}.lesson-anims{display:grid;grid-gap:20px;gap:20px;margin:20px 0}.animp{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden}.animp__head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 16px;border-bottom:1px solid var(--border)}.animp__controls{display:flex;gap:8px}.animp__btn{padding:6px 12px;font-size:.85rem}.animp__stage svg{display:block;width:100%;height:auto}.animp__stage--paused .anim-beacon,.animp__stage--paused .anim-car{animation-play-state:paused!important}.animp__desc{margin:10px 16px 0;font-size:.88rem}.animp__steps{margin:8px 16px 14px;padding-left:22px;color:var(--text-2);font-size:.88rem;line-height:1.6}.anim-car{animation-duration:var(--anim-dur,8s);animation-iteration-count:infinite;animation-timing-function:ease-in-out}.anim-parallel{animation-name:kf-parallel}@keyframes kf-parallel{0%{transform:translate(-30px,96px) rotate(90deg)}30%{transform:translate(300px,96px) rotate(90deg)}38%{transform:translate(300px,96px) rotate(90deg)}60%{transform:translate(250px,148px) rotate(66deg)}82%{transform:translate(216px,178px) rotate(86deg)}92%,to{transform:translate(213px,182px) rotate(90deg)}}.anim-perp{animation-name:kf-perp}@keyframes kf-perp{0%{transform:translate(-30px,185px) rotate(90deg)}38%{transform:translate(150px,185px) rotate(90deg)}68%{transform:translate(222px,120px) rotate(28deg)}88%,to{transform:translate(235px,50px) rotate(0deg)}}.anim-row-ego{animation-name:kf-row-ego}@keyframes kf-row-ego{0%{transform:translate(-30px,137px) rotate(90deg)}28%{transform:translate(128px,137px) rotate(90deg)}62%{transform:translate(128px,137px) rotate(90deg)}to{transform:translate(460px,137px) rotate(90deg)}}.anim-row-other{animation-name:kf-row-other}@keyframes kf-row-other{0%{transform:translate(228px,280px) rotate(0deg)}15%{transform:translate(228px,245px) rotate(0deg)}60%{transform:translate(228px,-60px) rotate(0deg)}to{transform:translate(228px,-60px) rotate(0deg)}}.anim-ey-ego{animation-name:kf-ey-ego}@keyframes kf-ey-ego{0%{transform:translate(150px,100px) rotate(90deg)}30%{transform:translate(205px,100px) rotate(90deg)}48%{transform:translate(255px,162px) rotate(90deg)}78%{transform:translate(300px,162px) rotate(90deg)}to{transform:translate(360px,104px) rotate(90deg)}}.anim-ey-front{animation-name:kf-ey-front}@keyframes kf-ey-front{0%{transform:translate(300px,100px) rotate(90deg)}26%{transform:translate(345px,100px) rotate(90deg)}44%{transform:translate(392px,162px) rotate(90deg)}to{transform:translate(455px,162px) rotate(90deg)}}.anim-ey-amb{animation-name:kf-ey-amb}@keyframes kf-ey-amb{0%{transform:translate(-60px,100px)}35%{transform:translate(60px,100px)}to{transform:translate(500px,100px)}}.anim-beacon{animation:kf-beacon .6s linear infinite}@keyframes kf-beacon{0%,to{opacity:1}50%{opacity:.25}}@media (prefers-reduced-motion:reduce){.anim-beacon,.anim-car{animation:none!important}.anim-parallel{transform:translate(213px,182px) rotate(90deg)}.anim-perp{transform:translate(235px,50px) rotate(0deg)}.anim-row-ego{transform:translate(128px,137px) rotate(90deg)}.anim-row-other{transform:translate(228px,120px) rotate(0deg)}.anim-ey-ego{transform:translate(255px,162px) rotate(90deg)}.anim-ey-front{transform:translate(392px,162px) rotate(90deg)}.anim-ey-amb{transform:translate(120px,100px)}}.vplayer{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden}.vplayer__video{display:block;width:100%;height:auto;background:#000}.vplayer__bar{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;padding:10px 14px;border-top:1px solid var(--border)}.vplayer__chapters{display:flex;flex-wrap:wrap;gap:6px}.vplayer__tools{display:flex;align-items:center;gap:10px}.vplayer__tools select{background:var(--surface-2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:3px 6px}.vplayer__bm{padding:5px 10px;font-size:.82rem}.vplayer__marks{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:0 14px 10px}.vplayer__transcript{padding:10px 14px;border-top:1px solid var(--border)}.vplayer__transcript ul{list-style:none;margin:8px 0 0;padding:0;display:grid;grid-gap:4px;gap:4px}.vplayer__transcript button{background:none;border:none;color:var(--text-2);font:inherit;font-size:.88rem;text-align:left;cursor:pointer;padding:4px 8px;border-radius:8px;width:100%}.vplayer__transcript button:hover{background:var(--surface-2)}.vplayer__cue--on button{background:color-mix(in srgb,var(--primary) 14%,var(--surface));color:var(--text)}.vplayer__summary{padding:10px 14px 14px;border-top:1px solid var(--border)}.vq-wrong{border-color:var(--red)!important;color:var(--red)!important}.chat__visuals{display:flex;flex-wrap:wrap;gap:10px;margin:6px 0 10px 4px}.chat__visual{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 10px;border:1px solid var(--border);border-radius:12px;background:var(--surface);text-decoration:none;color:var(--text-2);font-size:.78rem;max-width:130px;text-align:center}.chat__visual:hover{border-color:var(--primary)}.chat__visual-photo{display:block;width:110px}.chat__visual-photo .asset-figure{margin:0}.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease;will-change:opacity,transform}.reveal--in{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}.scenario-card{font:inherit;color:inherit;border:1px solid var(--border)}.scenario-card:hover{border-color:var(--primary)}.ui-card{--card-accent:var(--accent-teal);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--sp-5);color:inherit;text-decoration:none;display:block}.ui-card--accent{border-color:color-mix(in srgb,var(--card-accent) 40%,var(--border));background:linear-gradient(180deg,color-mix(in srgb,var(--card-accent) 9%,var(--surface)),var(--surface) 55%)}.ui-card--glow{box-shadow:var(--shadow-2),0 0 30px color-mix(in srgb,var(--card-accent) 22%,transparent)}.ui-card--interactive{transition:transform var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease),box-shadow var(--dur-base) var(--ease);cursor:pointer}.ui-card--interactive:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--card-accent) 55%,var(--border));box-shadow:var(--shadow-2);text-decoration:none}@media (prefers-reduced-motion:reduce){.ui-card--interactive:hover{transform:none}}.ui-btn{--btn-accent:var(--accent-teal);display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);font-weight:700;font-family:inherit;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;text-decoration:none;transition:filter var(--dur-fast) var(--ease),transform var(--dur-fast) var(--ease),background var(--dur-fast) var(--ease);white-space:nowrap}.ui-btn--sm{padding:7px 13px;font-size:var(--fs-sm)}.ui-btn--md{padding:11px 20px;font-size:var(--fs-md)}.ui-btn--lg{padding:14px 26px;font-size:var(--fs-lg)}.ui-btn--full{width:100%}.ui-btn:hover{filter:brightness(1.08);text-decoration:none}.ui-btn:active{transform:translateY(1px)}.ui-btn[aria-disabled=true],.ui-btn[disabled]{opacity:.5;cursor:default;filter:none}.ui-btn--primary{background:linear-gradient(180deg,var(--primary-bright),var(--primary));color:#06231f}.ui-btn--ghost{background:transparent;color:var(--text);border-color:var(--border-strong)}.ui-btn--ghost:hover{background:var(--surface-2);filter:none}.ui-btn--accent{background:linear-gradient(180deg,color-mix(in srgb,var(--btn-accent) 92%,#fff 8%),var(--btn-accent));color:#0a1220}.ui-btn--soft{background:color-mix(in srgb,var(--btn-accent) 16%,var(--surface));color:var(--btn-accent);border-color:color-mix(in srgb,var(--btn-accent) 30%,transparent)}.ui-iconbadge{--ib-accent:var(--accent-teal);display:grid;place-items:center;border-radius:14px;background:color-mix(in srgb,var(--ib-accent) 16%,var(--surface-2));color:var(--ib-accent);flex:0 0 auto}.ui-iconbadge--sm{width:34px;height:34px;font-size:16px}.ui-iconbadge--md{width:44px;height:44px;font-size:20px}.ui-iconbadge--lg{width:56px;height:56px;font-size:26px;border-radius:18px}.ui-badge{--badge-accent:var(--accent-teal);display:inline-block;padding:3px 10px;border-radius:var(--radius-pill);font-size:var(--fs-xs);font-weight:700;color:var(--badge-accent);background:color-mix(in srgb,var(--badge-accent) 15%,var(--surface));border:1px solid color-mix(in srgb,var(--badge-accent) 30%,transparent)}.ui-chip{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--radius-pill);font-size:var(--fs-sm);font-weight:600;color:var(--text-2);background:var(--surface-2);border:1px solid var(--border);cursor:pointer;transition:background var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease);font-family:inherit}.ui-chip:hover{border-color:var(--border-strong);color:var(--text)}.ui-chip--active{background:color-mix(in srgb,var(--primary) 18%,var(--surface));color:var(--primary);border-color:color-mix(in srgb,var(--primary) 45%,transparent)}.ui-chip__count{opacity:.75;font-size:var(--fs-xs)}.ui-stat{display:flex;align-items:center;gap:var(--sp-4)}.ui-stat__body{min-width:0}.ui-stat__value{font-size:var(--fs-2xl);font-weight:800;line-height:1.05;color:var(--text)}.ui-stat__label{font-size:var(--fs-sm);color:var(--text-3);margin-top:2px}.ui-stat__chev{margin-left:auto;color:var(--text-3);font-size:1.4rem}.ui-progress{height:8px;border-radius:var(--radius-pill);background:var(--surface-3);overflow:hidden}.ui-progress__fill{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),var(--primary-bright));transition:width var(--dur-slow) var(--ease)}.ui-ring{position:relative;display:inline-grid;place-items:center}.ui-ring__label{position:absolute;font-size:var(--fs-sm);font-weight:800;color:var(--text)}.ui-field{display:block}.ui-field__label{display:block;font-size:var(--fs-sm);font-weight:600;color:var(--text-2);margin-bottom:6px}.ui-input{width:100%;padding:11px 14px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--border);color:var(--text);font:inherit;transition:border-color var(--dur-fast) var(--ease)}.ui-input:focus{outline:none;border-color:var(--primary)}.ui-input::placeholder{color:var(--text-3)}.ui-field__hint{color:var(--text-3)}.ui-field__error,.ui-field__hint{display:block;margin-top:6px;font-size:var(--fs-xs)}.ui-field__error{color:var(--red)}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-4);flex-wrap:wrap;margin:0 0 var(--sp-6)}.page-head__titles{min-width:0}.page-head__title{margin:0;font-size:var(--fs-3xl);font-weight:800;letter-spacing:-.02em;line-height:1.1}.page-head__emoji{font-weight:400}.page-head__sub{margin:var(--sp-2) 0 0;color:var(--text-2);font-size:var(--fs-lg);max-width:68ch}.page-head__actions{display:flex;align-items:center;gap:var(--sp-2);flex-shrink:0}.section{margin:0 0 var(--sp-8)}.section__head{justify-content:space-between;gap:var(--sp-4);margin:0 0 var(--sp-4);flex-wrap:wrap}.section__head,.section__title{display:flex;align-items:center}.section__title{gap:var(--sp-3);margin:0;font-size:var(--fs-xl);font-weight:800;letter-spacing:-.01em}.section__icon{color:var(--primary);display:inline-flex;font-size:1.15em}.section__action{display:flex;align-items:center;gap:var(--sp-2);flex-shrink:0}.grid-auto{display:grid;grid-gap:var(--grid-gap,var(--sp-4));gap:var(--grid-gap,var(--sp-4));grid-template-columns:repeat(auto-fill,minmax(var(--grid-min,240px),1fr))}@media (min-width:640px){.grid-auto{grid-template-columns:repeat(auto-fit,minmax(var(--grid-min,240px),1fr))}}.stack{flex-direction:column}.row,.sb-brand,.stack{display:flex}.sb-brand{align-items:center;gap:var(--sp-3);padding:6px 8px 4px;color:var(--text)}.sb-brand:hover{text-decoration:none}.sidebar__brand{margin-bottom:var(--sp-4);padding-bottom:var(--sp-4);border-bottom:1px solid var(--border)}.sb-brand__logo{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;color:var(--primary);background:color-mix(in srgb,var(--primary) 16%,var(--surface-2));border:1px solid color-mix(in srgb,var(--primary) 32%,transparent);flex:0 0 auto}.sb-brand__text{display:flex;flex-direction:column;min-width:0}.sb-brand__name{font-weight:700;font-size:1.06rem;letter-spacing:-.01em;line-height:1.15}.sb-brand__name b{color:var(--primary);font-weight:800}.sb-brand__tag{font-size:.72rem;color:var(--text-3);line-height:1.2}.sb-brand--compact .sb-brand__logo{width:32px;height:32px;border-radius:9px}.sb-brand--compact .sb-brand__tag{display:none}.sidebar__foot{padding:12px 8px 4px;border-top:1px solid var(--border);flex-direction:column}.sb-premium,.sidebar__foot{display:flex;gap:var(--sp-3)}.sb-premium{align-items:center;padding:12px 14px;border-radius:var(--radius);color:var(--text);background:linear-gradient(135deg,color-mix(in srgb,var(--accent-amber) 26%,var(--surface-2)),color-mix(in srgb,var(--accent-amber) 10%,var(--surface)));border:1px solid color-mix(in srgb,var(--accent-amber) 38%,transparent);transition:transform var(--dur-fast) var(--ease),box-shadow var(--dur-base) var(--ease)}.sb-premium:hover{transform:translateY(-1px);text-decoration:none;box-shadow:0 10px 26px color-mix(in srgb,var(--accent-amber) 22%,transparent)}.sb-premium__icon{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;color:#1b1403;background:linear-gradient(180deg,#ffd66b,var(--accent-amber));flex:0 0 auto}.sb-premium__text{display:flex;flex-direction:column;min-width:0;flex:1 1}.sb-premium__title{font-weight:800;font-size:.95rem}.sb-premium__sub{font-size:.76rem;color:var(--text-2)}.sb-premium__chev{color:var(--accent-amber);flex:0 0 auto}.sidebar__back{font-size:.85rem;padding:0 6px}.topbar-float{position:-webkit-sticky;position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:flex-end;gap:var(--sp-2);height:56px;margin-bottom:var(--sp-3);background:var(--bg)}.topbar-item{position:relative}.topbar-btn{display:grid;place-items:center;width:40px;height:40px;border-radius:var(--radius-pill);background:var(--surface);border:1px solid var(--border);color:var(--text-2);cursor:pointer;transition:color var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease),background var(--dur-fast) var(--ease)}.topbar-btn:hover{color:var(--text);border-color:var(--border-strong);background:var(--surface-2)}.topbar-avatar{display:inline-flex;align-items:center;gap:6px;padding:4px 8px 4px 4px;border-radius:var(--radius-pill);background:var(--surface);border:1px solid var(--border);color:var(--text-2);cursor:pointer;transition:border-color var(--dur-fast) var(--ease),background var(--dur-fast) var(--ease)}.topbar-avatar:hover{border-color:var(--border-strong);background:var(--surface-2)}.topbar-avatar__badge{display:grid;place-items:center;width:32px;height:32px;border-radius:var(--radius-pill);font-size:.8rem;font-weight:800;color:#06231f;background:linear-gradient(180deg,var(--primary-bright),var(--primary))}.topbar-avatar__badge--lg{width:40px;height:40px;font-size:.95rem}.topbar-avatar__chev{color:var(--text-3)}.topbar-pop{position:absolute;top:calc(100% + 8px);right:0;z-index:40;width:264px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-2);padding:var(--sp-3);animation:pop-in var(--dur-fast) var(--ease-out)}@keyframes pop-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){.topbar-pop{animation:none}}.topbar-pop__head{font-weight:700;font-size:.9rem;padding:4px 6px 10px;color:var(--text)}.topbar-pop__empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:18px 8px 12px;text-align:center;color:var(--text-3)}.topbar-pop__empty p{margin:0;font-size:.86rem}.topbar-pop--menu{padding:var(--sp-2)}.topbar-pop__user{display:flex;align-items:center;gap:10px;padding:8px 8px 10px}.topbar-pop__name{font-weight:700;font-size:.92rem;color:var(--text)}.topbar-pop__sub{font-size:.78rem;color:var(--text-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:170px}.topbar-pop__sep{height:1px;background:var(--border);margin:4px 0}.topbar-pop__row{display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;border-radius:10px;color:var(--text-2);font-size:.9rem;font-weight:500;background:none;border:none;cursor:pointer;font-family:inherit;text-align:left}.topbar-pop__row:hover{background:var(--surface-2);color:var(--text);text-decoration:none}@media (max-width:900px){.topbar-float{display:none}.shell__content{padding-top:18px}}.crumbs{display:flex;flex-wrap:wrap;font-size:var(--fs-sm);color:var(--text-3);margin-bottom:var(--sp-2)}.crumbs,.crumbs__item{align-items:center;gap:2px}.crumbs__item{display:inline-flex}.crumbs a{color:var(--text-3)}.crumbs a:hover{color:var(--text)}.crumbs [aria-current=page]{color:var(--text-2)}.crumbs__sep{color:var(--text-3);margin:0 6px;opacity:.7}.ui-tag{--tag-accent:var(--text-2);display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--radius-pill);font-size:var(--fs-sm);font-weight:600;color:var(--text-2);background:var(--surface-2);border:1px solid var(--border)}.ui-tag--accent{color:var(--tag-accent);background:color-mix(in srgb,var(--tag-accent) 14%,var(--surface));border-color:color-mix(in srgb,var(--tag-accent) 30%,transparent)}.callout{display:flex;gap:var(--sp-3);padding:var(--sp-4);border-radius:var(--radius);border:1px solid var(--border);background:var(--surface-2)}.callout__icon{flex:0 0 auto;color:var(--accent-blue);margin-top:1px}.callout--warn{border-color:color-mix(in srgb,var(--accent-amber) 42%,transparent);background:color-mix(in srgb,var(--accent-amber) 12%,var(--surface))}.callout--warn .callout__icon{color:var(--accent-amber)}.callout--success{border-color:color-mix(in srgb,var(--accent-green) 40%,transparent);background:color-mix(in srgb,var(--accent-green) 12%,var(--surface))}.callout--success .callout__icon{color:var(--accent-green)}.callout__title{display:block;font-size:var(--fs-md);margin-bottom:2px}.callout__text{color:var(--text-2);font-size:var(--fs-sm)}.fact-tile{display:flex;align-items:center;gap:var(--sp-3);padding:var(--sp-3) var(--sp-4);border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--border)}.fact-tile__icon{--fact-accent:var(--accent-teal);display:grid;place-items:center;width:34px;height:34px;border-radius:10px;color:var(--fact-accent);background:color-mix(in srgb,var(--fact-accent) 16%,var(--surface));flex:0 0 auto}.fact-tile__label{font-size:var(--fs-xs);color:var(--text-3)}.fact-tile__value{font-size:var(--fs-sm);font-weight:700;color:var(--text)}.hero-banner{display:flex;align-items:center;gap:var(--sp-4);flex-wrap:wrap}.hero-banner__body{flex:1 1;min-width:220px}.hero-banner__title{font-size:var(--fs-lg);font-weight:700;color:var(--text)}.hero-banner__text{color:var(--text-2);font-size:var(--fs-sm);margin-top:2px}.hero-banner__art{display:flex;align-items:center;flex:0 0 auto}.hero-banner__action{flex:0 0 auto}.action-card{display:flex;flex-direction:column;gap:var(--sp-3)}.action-card__head{display:flex;align-items:center;gap:var(--sp-3)}.action-card__title{margin:0;font-size:var(--fs-lg);font-weight:700}.action-card__desc{margin:0;color:var(--text-2);font-size:var(--fs-sm);flex:1 1}.lesson-card{display:flex;flex-direction:column;gap:var(--sp-2)}.lesson-card__top{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--sp-2);margin-bottom:var(--sp-2)}.lesson-card__title{margin:0;font-size:var(--fs-md);font-weight:700;line-height:1.25}.lesson-card__desc{margin:0;color:var(--text-2);font-size:var(--fs-sm);flex:1 1}.lesson-card__foot{margin-top:var(--sp-2);padding-top:var(--sp-3);border-top:1px solid var(--border)}.lesson-card__meta{font-size:var(--fs-xs);color:var(--text-3)}.detail-grid{display:grid;grid-template-columns:1fr;grid-gap:var(--sp-5);gap:var(--sp-5)}@media (min-width:960px){.detail-grid{grid-template-columns:1.35fr 1fr;align-items:start}}.detail-grid__aside,.detail-grid__main{display:flex;flex-direction:column;gap:var(--sp-4);min-width:0}.prevnext{align-items:stretch;margin-top:var(--sp-6)}.prevnext,.prevnext__link{display:flex;gap:var(--sp-3)}.prevnext__link{align-items:center;flex:1 1;padding:var(--sp-3) var(--sp-4);border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);color:var(--text);transition:border-color var(--dur-fast) var(--ease),background var(--dur-fast) var(--ease)}.prevnext__link:hover{border-color:var(--border-strong);background:var(--surface-2);text-decoration:none}.prevnext__link--next{justify-content:flex-end;text-align:right;color:#06231f;border-color:transparent}.prevnext__link--next,.prevnext__link--next:hover{background:linear-gradient(180deg,var(--primary-bright),var(--primary))}.prevnext__link--next:hover{filter:brightness(1.06)}.prevnext__text{display:flex;flex-direction:column;min-width:0}.prevnext__sub{font-size:var(--fs-xs);opacity:.75}.prevnext__label{font-weight:700;font-size:var(--fs-sm)}.prevnext__dir{font-size:1.1rem;flex:0 0 auto}.prevnext__index{display:grid;place-items:center;width:48px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);color:var(--text-2);flex:0 0 auto}.prevnext__index:hover{border-color:var(--border-strong);color:var(--text)}.section__link{font-size:var(--fs-sm);font-weight:600;color:var(--primary);white-space:nowrap}.section__link:hover{text-decoration:none;filter:brightness(1.1)}.mastery{display:flex;flex-direction:column}.mastery-row{display:grid;grid-template-columns:auto minmax(120px,1.1fr) 2fr auto auto;align-items:center;grid-gap:var(--sp-3);gap:var(--sp-3);padding:var(--sp-3) 0}.mastery-row+.mastery-row{border-top:1px solid var(--border)}.mastery-row__icon{--m-accent:var(--accent-teal);display:grid;place-items:center;width:34px;height:34px;border-radius:10px;color:var(--m-accent);background:color-mix(in srgb,var(--m-accent) 16%,var(--surface-2));flex:0 0 auto}.mastery-row__label{font-weight:600;font-size:var(--fs-sm);min-width:0}.mastery-row__bar{min-width:0}.mastery-row__pct{font-size:var(--fs-sm);font-weight:700;color:var(--text-2);text-align:right;min-width:42px}.mastery-row__link{font-size:var(--fs-sm);font-weight:600;color:var(--primary);white-space:nowrap}.mastery-row__link:hover{text-decoration:none;filter:brightness(1.1)}@media (max-width:720px){.mastery-row{grid-template-columns:auto 1fr auto;grid-template-areas:"icon label pct" "bar bar bar";row-gap:var(--sp-2)}.mastery-row__icon{grid-area:icon}.mastery-row__label{grid-area:label}.mastery-row__pct{grid-area:pct}.mastery-row__bar{grid-area:bar}.mastery-row__link{display:none}}.search-box{position:relative;margin:var(--sp-2) 0 var(--sp-4);max-width:640px}.search-box__icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-3);pointer-events:none}.search-box__input{padding-left:42px;height:48px}.topbar__inner .sb-brand{padding:0}.mk-login{margin-left:8px;flex:0 0 auto}.mk-hero{display:grid;grid-template-columns:1.05fr 1fr;grid-gap:var(--sp-6);gap:var(--sp-6);align-items:center;background:radial-gradient(90% 120% at 85% 20%,color-mix(in srgb,var(--primary) 9%,transparent),transparent 60%),linear-gradient(160deg,var(--surface),var(--bg));border:1px solid var(--border);border-radius:var(--radius-lg);padding:clamp(24px,4vw,48px);margin:var(--sp-6) 0;box-shadow:var(--shadow-2)}.mk-hero__eyebrow{display:inline-block;padding:6px 14px;border-radius:var(--radius-pill);border:1px solid color-mix(in srgb,var(--primary) 45%,transparent);color:var(--primary);background:color-mix(in srgb,var(--primary) 10%,transparent);font-size:var(--fs-xs);font-weight:700;letter-spacing:.12em;margin:0 0 var(--sp-4)}.mk-hero__title{margin:0 0 var(--sp-4);font-size:clamp(2.1rem,5vw,3.4rem);line-height:1.06;letter-spacing:-.02em}.mk-hero__grad{color:var(--primary)}.mk-hero__lead{color:var(--text-2);font-size:var(--fs-lg);max-width:54ch;margin:0 0 var(--sp-5)}.mk-hero__key{color:var(--primary)}.mk-hero__cta{display:flex;gap:var(--sp-3);flex-wrap:wrap;margin-bottom:var(--sp-6)}.mk-hero__stats{display:grid;grid-template-columns:repeat(4,auto);justify-content:space-between;grid-gap:var(--sp-3);gap:var(--sp-3);padding:var(--sp-4) var(--sp-5);border-radius:var(--radius);background:color-mix(in srgb,var(--surface-2) 72%,transparent);border:1px solid var(--border);-webkit-backdrop-filter:blur(var(--blur-sm));backdrop-filter:blur(var(--blur-sm))}@media (max-width:560px){.mk-hero__stats{grid-template-columns:repeat(2,1fr)}}.mk-hero__stat{display:flex;align-items:center;gap:10px}.mk-hero__stat-ic{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;color:var(--primary);background:color-mix(in srgb,var(--primary) 14%,transparent)}.mk-hero__stat-n{display:block;font-size:var(--fs-xl);font-weight:800;line-height:1.05}.mk-hero__stat-c{display:block;font-size:var(--fs-xs);color:var(--text-3)}.mk-hero__art{min-width:0}@media (max-width:860px){.mk-hero{grid-template-columns:1fr}.mk-hero__art{order:-1}}.mk-stepper{flex-wrap:wrap;justify-content:center;margin:var(--sp-6) 0}.mk-stepper,.mk-stepper__item{display:flex;align-items:center;gap:var(--sp-2)}.mk-stepper__pill{display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:var(--radius-pill);background:var(--surface);border:1px solid var(--border);font-weight:600;font-size:var(--fs-sm)}.mk-stepper__num{display:grid;place-items:center;width:24px;height:24px;border-radius:var(--radius-pill);background:color-mix(in srgb,var(--primary) 18%,transparent);color:var(--primary);font-size:var(--fs-xs);font-weight:800}.mk-stepper__go{color:var(--primary);font-weight:700}.mk-stepper__dash{width:18px;height:1px;background:var(--border-strong)}.mk-stepper__pill--win{border-color:color-mix(in srgb,var(--accent-amber) 45%,transparent);color:var(--text)}.mk-stepper__pill--win svg{color:var(--accent-amber)}.mk-dist{display:flex;gap:var(--sp-3);align-items:flex-start}.mk-dist__body{flex:1 1;min-width:0;display:grid;grid-gap:8px;gap:8px}.mk-dist__meta{margin:0;font-size:var(--fs-xs)}.mk-feature{position:relative;display:flex;flex-direction:column;gap:var(--sp-2)}.mk-feature__desc{font-size:var(--fs-sm)}.mk-feature__go{color:var(--primary);font-weight:700;margin-top:2px}.mk-title{text-align:center;font-size:var(--fs-xl)}.mk-title:after{content:"";display:block;width:44px;height:3px;border-radius:3px;background:var(--primary);margin:10px auto 0}.mk-cta{display:flex;align-items:center;gap:var(--sp-6);justify-content:space-between;text-align:center;background:radial-gradient(60% 130% at 12% 50%,color-mix(in srgb,var(--primary) 12%,transparent),transparent 65%),linear-gradient(160deg,var(--surface),var(--bg));border:1px solid var(--border);border-radius:var(--radius-lg);padding:clamp(22px,4vw,42px);margin:var(--sp-8) 0 var(--sp-4)}.mk-cta__art{color:var(--primary);opacity:.9;flex:0 0 auto}.mk-cta__body{flex:1 1}.mk-cta__title{margin:0 0 6px;font-size:var(--fs-2xl)}.mk-cta__flag{font-size:2.2rem;flex:0 0 auto}@media (max-width:700px){.mk-cta__art,.mk-cta__flag{display:none}}.mk-smallprint{margin:var(--sp-5) 0 var(--sp_6,24px);font-size:.82rem;text-align:center}.premium-modal{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:20px;background:rgba(3,12,14,.78);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:premium-fade .2s ease}@keyframes premium-fade{0%{opacity:0}}.premium-modal__panel{position:relative;width:min(560px,100%);max-height:92vh;overflow-y:auto;border-radius:22px;padding:34px 30px 30px;text-align:center;background:radial-gradient(120% 80% at 50% -10%,rgba(20,184,166,.14),transparent 60%),linear-gradient(180deg,#0c1f22,#071417);border:1px solid rgba(45,212,191,.45);box-shadow:0 0 0 1px rgba(45,212,191,.12),0 24px 70px rgba(0,0,0,.6),0 0 60px rgba(20,184,166,.18);animation:premium-pop .28s cubic-bezier(.22,1,.36,1)}@keyframes premium-pop{0%{transform:translateY(14px) scale(.97);opacity:0}}.premium-modal__close{position:absolute;top:14px;right:14px;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;border:1px solid var(--border,rgba(255,255,255,.12));background:rgba(255,255,255,.04);color:var(--text-2,#9fc6bf);cursor:pointer}.premium-modal__close:hover{background:rgba(255,255,255,.08)}.premium-modal__crown{margin:2px auto 6px;max-width:340px}.premium-modal__crown img{width:100%;height:auto;display:block}.premium-modal__title{margin:6px 0 0;font-size:clamp(1.5rem,5vw,2rem);font-weight:800;color:#fff;letter-spacing:-.01em}.premium-modal__rule{margin:12px 0;color:#f6c445;position:relative}.premium-modal__rule:after,.premium-modal__rule:before{content:"";position:absolute;top:50%;width:60px;height:1px;background:linear-gradient(90deg,transparent,rgba(246,196,69,.6))}.premium-modal__rule:before{right:calc(50% + 16px);transform:scaleX(-1)}.premium-modal__rule:after{left:calc(50% + 16px)}.premium-modal__sub{margin:0 auto 20px;max-width:440px;color:var(--text-2,#9fc6bf);line-height:1.6;font-size:.98rem}.premium-modal__features{list-style:none;margin:0 0 22px;padding:0;display:grid;grid-gap:12px;gap:12px}.premium-modal__feature{display:flex;align-items:center;gap:16px;padding:14px 18px;border-radius:14px;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.02);text-align:left}.premium-modal__ficon{display:grid;place-items:center;width:46px;height:46px;flex:0 0 auto;border-radius:50%;color:#2dd4bf;border:1px solid rgba(45,212,191,.4);box-shadow:0 0 18px rgba(45,212,191,.22)}.premium-modal__flabel{font-weight:700;color:#fff;font-size:1rem}.premium-modal__cta{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:16px 20px;border:none;border-radius:14px;cursor:pointer;font-size:1.1rem;font-weight:800;color:#3a2a00;background:linear-gradient(90deg,#f6c445,#ffe08a 50%,#f6c445);box-shadow:0 10px 30px rgba(246,196,69,.32);transition:transform .12s ease}.premium-modal__cta:hover{transform:translateY(-1px)}.mk-faq{max-width:760px;margin:var(--sp-7,40px) auto var(--sp-5)}.mk-faq__list{display:grid;grid-gap:var(--sp-3);gap:var(--sp-3);margin-top:var(--sp-4)}.mk-faq__item{border:1px solid var(--border);border-radius:var(--radius-md,12px);background:var(--surface);padding:var(--sp-3) var(--sp-4)}.mk-faq__q{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:var(--sp-3)}.mk-faq__q:after{content:"+";color:var(--primary);font-weight:700}.mk-faq__item[open] .mk-faq__q:after{content:"−"}.mk-faq__a{margin:var(--sp-3) 0 0;color:var(--text-2);line-height:1.6}.mk-footer{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.3fr;grid-gap:var(--sp-6);gap:var(--sp-6);padding:var(--sp-6) 0 var(--sp-4)}@media (max-width:860px){.mk-footer{grid-template-columns:1fr 1fr}}.mk-footer__brand .sb-brand{padding:0 0 6px}.mk-footer__desc{margin:0;font-size:var(--fs-sm)}.mk-footer__col{display:flex;flex-direction:column;gap:8px;font-size:var(--fs-sm)}.mk-footer__col strong{color:var(--text);margin-bottom:2px}.mk-footer__col a{color:var(--text-2)}.mk-footer__col a:hover{color:var(--text)}.mk-footer__note{display:flex;gap:var(--sp-3);align-items:flex-start;font-size:var(--fs-sm)}.mk-footer__note p{margin:0}.mk-footer__cap{display:grid;place-items:center;width:46px;height:46px;border-radius:12px;color:var(--primary);background:color-mix(in srgb,var(--primary) 13%,transparent);flex:0 0 auto}.mk-footer__meb{font-size:.8rem;border-top:1px solid var(--border);padding-top:var(--sp-4)}.quiz-grid{display:grid;grid-template-columns:1fr;grid-gap:var(--sp-5);gap:var(--sp-5);align-items:start}@media (min-width:1060px){.quiz-grid{grid-template-columns:1.6fr .9fr}}.quiz-grid__main{min-width:0}.quiz-grid__aside{display:flex;flex-direction:column;gap:var(--sp-4);min-width:0}@media (max-width:1059px){.quiz-grid__aside{display:none}}.quiz-panel{padding:var(--sp-4) var(--sp-5)}.quiz-panel__head{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-2);margin-bottom:var(--sp-3)}.quiz-panel__title{display:flex;align-items:center;gap:8px;margin:0;font-size:var(--fs-md);font-weight:700}.quiz-panel__ic{color:var(--primary);display:inline-flex}.info-row{display:flex;align-items:center;gap:10px;padding:7px 0;font-size:var(--fs-sm)}.info-row__ic{color:var(--text-3);display:inline-flex}.info-row__label{color:var(--text-2)}.info-row__value{margin-left:auto;font-weight:700;color:var(--text);text-align:right}.donut{display:flex;align-items:center;gap:var(--sp-4);flex-wrap:wrap}.donut__ring{position:relative;display:inline-grid;place-items:center;flex:0 0 auto}.donut__ring svg{display:block}.donut__center{position:absolute;display:grid;place-items:center;text-align:center;line-height:1.1}.donut__center strong{font-size:var(--fs-xl);font-weight:800}.donut__center small{color:var(--text-3);font-size:var(--fs-xs)}.donut__rows{flex:1 1;min-width:120px;display:grid;grid-gap:6px;gap:6px}.donut__row{display:flex;align-items:center;gap:8px;font-size:var(--fs-sm)}.donut__dot{width:9px;height:9px;border-radius:99px;flex:0 0 auto}.donut__label{color:var(--text-2)}.donut__value{margin-left:auto;font-weight:700}.qnav__grid{display:flex;flex-wrap:wrap;gap:8px}.qnav__dot{display:grid;place-items:center;width:34px;height:34px;border-radius:var(--radius-pill);border:1px solid var(--border-strong);color:var(--text-2);font-size:var(--fs-xs);font-weight:700}.qnav__dot--correct{background:color-mix(in srgb,var(--accent-green) 22%,var(--surface));border-color:color-mix(in srgb,var(--accent-green) 55%,transparent);color:var(--accent-green)}.qnav__dot--wrong{background:color-mix(in srgb,var(--accent-red) 24%,var(--surface));border-color:color-mix(in srgb,var(--accent-red) 55%,transparent);color:var(--accent-red)}.qnav__dot--current{border-color:var(--primary);color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 22%,transparent)}.qnav__legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:var(--sp-3);font-size:var(--fs-xs);color:var(--text-3)}.qnav__leg{display:inline-flex;align-items:center;gap:5px}.qnav__mini{display:inline-block;width:12px;height:12px;border-radius:99px;border:1px solid var(--border-strong)}.quiz-hint{border-color:color-mix(in srgb,var(--accent-amber) 30%,var(--border))}.quiz-hint__bulb{font-size:1rem}.quiz-hint__text{margin:0;color:var(--text-2);font-size:var(--fs-sm)}.quiz-card{padding:var(--sp-5) var(--sp-6)}.quiz-streak{padding:var(--sp-3) var(--sp-5)}.quiz-streak__flame{font-size:1.3rem}.quiz-streak__text{font-size:var(--fs-sm);color:var(--text-2)}.quiz-streak__text strong{color:var(--text)}.esx-subject{position:relative;display:flex;flex-direction:column;gap:6px}.esx-subject__count{position:absolute;top:var(--sp-4);right:var(--sp-4)}.esx-subject__title{margin:var(--sp-2) 0 0;font-size:var(--fs-md)}.esx-subject__meta{margin:0;font-size:var(--fs-xs)}.esx-subject__prog{display:grid;grid-gap:4px;gap:4px;margin-top:var(--sp-2);font-size:var(--fs-xs)}.esx-cta{display:flex;gap:var(--sp-3);flex-wrap:wrap;margin:var(--sp-5) 0}.esx-banner{margin-bottom:var(--sp-5)}.esx-banner__actions{display:flex;gap:var(--sp-2);flex-wrap:wrap;margin-top:var(--sp-3)}.esx-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:var(--sp-4);gap:var(--sp-4);margin-bottom:var(--sp-5)}.esx-strip__item{display:flex;align-items:flex-start;gap:10px}.esx-strip__title{display:block;font-size:var(--fs-sm)}.esx-strip__desc{display:block;font-size:var(--fs-xs)}.exam-intro{display:flex;align-items:center;gap:var(--sp-5);flex-wrap:wrap}.exam-intro__body{flex:1 1;min-width:240px}.exam-intro__title{margin:0 0 var(--sp-2);font-size:var(--fs-xl)}.exam-intro__meta{display:flex;gap:var(--sp-2);flex-wrap:wrap;margin-bottom:var(--sp-2)}.exam-intro__note{margin:0;font-size:var(--fs-sm)}.exam-timerbar{display:flex;align-items:center;gap:var(--sp-5);flex-wrap:wrap;position:-webkit-sticky;position:sticky;top:56px;z-index:10;padding:var(--sp-3) var(--sp-5)}.exam-timerbar__time{display:flex;align-items:center;gap:10px;color:var(--primary)}.exam-timerbar__time strong{display:block;font-size:var(--fs-lg);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--text)}.exam-timerbar__cap{display:block;font-size:var(--fs-xs)}.exam-timerbar__mid{flex:1 1;min-width:180px;display:grid;grid-gap:4px;gap:4px}.exam-timerbar__count{font-size:var(--fs-sm);color:var(--primary)}.exam-timerbar__count strong{color:var(--text)}.exam-timerbar__pct{font-size:var(--fs-xs)}.exam-timerbar__right{display:grid;text-align:center}.exam-finish{--btn-accent:var(--accent-red);margin-left:auto}.opt--picked{border-color:var(--primary)!important;background:color-mix(in srgb,var(--primary) 14%,var(--surface))!important}.qnav__dot--btn{cursor:pointer;background:var(--surface);font-family:inherit}.qnav__dot--btn:hover{border-color:var(--primary)}.exam-hero{text-align:center;padding:var(--sp-8) var(--sp-6);position:relative}.exam-hero__medal{display:grid;place-items:center;width:88px;height:88px;margin:0 auto var(--sp-3);border-radius:999px}.exam-hero--win .exam-hero__medal{color:var(--accent-amber);background:color-mix(in srgb,var(--accent-green) 16%,var(--surface));box-shadow:0 0 34px color-mix(in srgb,var(--accent-green) 30%,transparent)}.exam-hero--fail .exam-hero__medal{color:var(--accent-red);background:color-mix(in srgb,var(--accent-red) 14%,var(--surface));box-shadow:0 0 34px color-mix(in srgb,var(--accent-red) 26%,transparent)}.exam-hero__ribbon{display:inline-block;padding:4px 16px;border-radius:var(--radius-pill);font-size:var(--fs-xs);font-weight:800;letter-spacing:.1em;margin-bottom:var(--sp-2)}.exam-hero--win .exam-hero__ribbon{background:color-mix(in srgb,var(--accent-green) 20%,var(--surface));color:var(--accent-green)}.exam-hero--fail .exam-hero__ribbon{background:color-mix(in srgb,var(--accent-red) 18%,var(--surface));color:var(--accent-red)}.exam-hero__title{margin:0 0 6px;font-size:var(--fs-2xl)}.exam-hero--fail .exam-hero__title{color:var(--accent-red);font-size:var(--fs-3xl)}.exam-hero__verdict{margin:0 0 6px;font-size:var(--fs-lg)}.exam-hero__msg{margin:0 auto;max-width:56ch}.exam-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));grid-gap:var(--sp-3);gap:var(--sp-3);margin:var(--sp-4) 0}.exam-stat{padding:var(--sp-4);display:grid;grid-gap:2px;gap:2px;text-align:center}.exam-stat__label{font-size:var(--fs-xs);color:var(--text-3)}.exam-stat__value{font-size:var(--fs-xl);font-weight:800;display:inline-flex;align-items:center;gap:6px;justify-content:center}.exam-stat__sub{font-size:var(--fs-xs)}.exam-subject{display:grid;justify-items:center;grid-gap:var(--sp-2);gap:var(--sp-2);text-align:center}.exam-subject__name{font-size:var(--fs-sm)}.exam-subject__rating{font-weight:800}.exam-actions{display:flex;gap:var(--sp-3);flex-wrap:wrap;margin-top:var(--sp-5)}.exam-tips{list-style:none;margin:0;padding:0;display:grid;grid-gap:8px;gap:8px}.exam-tips li{display:flex;gap:8px;align-items:flex-start;font-size:var(--fs-sm);color:var(--text-2)}.exam-tips__check{color:var(--accent-green);display:inline-flex;margin-top:2px}.exam-bar-row{display:flex;justify-content:space-between;font-size:var(--fs-sm);margin-bottom:4px}.coach-hero{align-items:flex-start}.coach-hero__bot{font-size:2.6rem;line-height:1;display:grid;place-items:center;width:72px;height:72px;border-radius:20px;background:color-mix(in srgb,var(--accent-purple) 18%,var(--surface-2));flex:0 0 auto}.coach-hero__src{display:inline-flex;align-items:center;gap:6px;margin-top:var(--sp-3);--tag-accent:var(--primary)}.coach-samples{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:var(--sp-2);gap:var(--sp-2)}.coach-sample{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--border);color:var(--text);font:inherit;font-size:var(--fs-sm);text-align:left;cursor:pointer;transition:border-color var(--dur-fast) var(--ease),background var(--dur-fast) var(--ease)}.coach-sample:hover{border-color:var(--primary);background:var(--surface-3)}.coach-sample__ic{color:var(--primary);display:inline-flex;flex:0 0 auto}.coach-form{display:flex;gap:var(--sp-2);margin-top:var(--sp-4)}.coach-form .ui-input{flex:1 1}.coach-lock{display:flex;align-items:center;gap:6px;font-size:var(--fs-xs);margin:8px 0 0}.auth-grid{display:grid;grid-template-columns:1.05fr 1fr;grid-gap:var(--sp-8);gap:var(--sp-8);align-items:start;max-width:1080px;margin:var(--sp-4) auto 0}@media (max-width:960px){.auth-grid{grid-template-columns:1fr}.auth-promo{order:2}}.auth-promo__badge{display:inline-flex;align-items:center;gap:6px;--tag-accent:var(--primary)}.auth-promo__title{margin:var(--sp-4) 0 var(--sp-3);font-size:clamp(1.7rem,3.4vw,2.5rem);line-height:1.12;letter-spacing:-.02em}.auth-promo__lead{margin:0 0 var(--sp-6);font-size:var(--fs-lg)}.auth-promo__feats{display:grid;grid-gap:var(--sp-4);gap:var(--sp-4);margin-bottom:var(--sp-6)}.auth-promo__feat{display:flex;gap:var(--sp-3);align-items:flex-start}.auth-promo__feat strong{display:block}.auth-promo__desc{display:block;font-size:var(--fs-sm)}.auth-promo__note{display:flex;gap:var(--sp-3);align-items:center}.auth-promo__note p{margin:0;font-size:var(--fs-sm)}.auth-card{padding:var(--sp-6)}.auth-tabs{display:flex;gap:6px;padding:5px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--border);margin-bottom:var(--sp-4);flex-wrap:wrap}.auth-tab{display:inline-flex;align-items:center;gap:7px;padding:9px 14px;border-radius:8px;border:none;background:transparent;color:var(--text-2);font:inherit;font-size:var(--fs-sm);font-weight:600;cursor:pointer;flex:1 1;justify-content:center;white-space:nowrap}.auth-tab--on{background:color-mix(in srgb,var(--primary) 16%,var(--surface));color:var(--primary)}.auth-card__sub{margin:0 0 var(--sp-4);font-size:var(--fs-sm);text-align:center}.auth-field{display:grid;grid-gap:6px;gap:6px;font-size:var(--fs-sm);font-weight:600;color:var(--text-2)}.auth-field__row{display:flex;justify-content:space-between;align-items:baseline;gap:var(--sp-2)}.auth-field__wrap{position:relative;display:block}.auth-field__ic{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--text-3);pointer-events:none;display:inline-flex}.auth-field__input{padding-left:40px}.auth-eye{position:absolute;right:8px;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:30px;height:30px;border-radius:8px;border:none;background:transparent;color:var(--text-3);cursor:pointer}.auth-eye:hover{color:var(--text);background:var(--surface-3)}.auth-forgot{border:none;background:none;color:var(--primary);font-size:var(--fs-xs);font-weight:600;cursor:pointer;padding:0}.auth-kvkk{display:flex;align-items:center;gap:6px;justify-content:center;font-size:var(--fs-xs);margin-top:var(--sp-3)}.lesson-toc{list-style:none;margin:0;padding:0;display:grid;grid-gap:4px;gap:4px}.lesson-toc a{display:flex;align-items:center;gap:10px;padding:7px 8px;border-radius:8px;color:var(--text-2);font-size:var(--fs-sm)}.lesson-toc a:hover{background:var(--surface-2);color:var(--text);text-decoration:none}.lesson-toc__num{display:grid;place-items:center;width:22px;height:22px;border-radius:99px;background:color-mix(in srgb,var(--primary) 15%,transparent);color:var(--primary);font-size:var(--fs-xs);font-weight:700;flex:0 0 auto}.topbar-streak{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-pill);background:color-mix(in srgb,var(--accent-amber) 14%,var(--surface));border:1px solid color-mix(in srgb,var(--accent-amber) 32%,transparent);color:var(--text);font-size:var(--fs-sm);font-weight:700}.topbar-streak:hover{text-decoration:none;filter:brightness(1.06)}.mk-hero__img{width:100%;height:auto;border-radius:var(--radius);box-shadow:var(--shadow-2);display:block}.nudge-art{height:96px;width:auto;display:block}@media (max-width:720px){.nudge-art{display:none}}.coach-hero__img{width:64px;height:64px;object-fit:contain;display:block}.premium-emblem{max-width:420px;height:150px;object-fit:cover}.nf-art,.premium-emblem{width:100%;border-radius:var(--radius);display:block;margin:0 auto var(--sp-3)}.nf-art{max-width:380px;height:auto}.page-decor{height:92px;width:auto;max-width:280px;object-fit:contain;display:block}@media (max-width:900px){.page-decor{display:none}}.chat__h{display:block;margin:6px 0 2px;color:var(--text)}.chat__li{display:block;padding-left:8px}.chat__hr{display:block;height:1px;background:var(--border);margin:8px 0}.banner-art{display:grid;place-items:center;width:96px;flex:0 0 auto}.banner-art img{width:100%;height:auto;display:block;filter:drop-shadow(0 8px 22px rgba(0,0,0,.45))}.banner-art--lg{width:132px}.level-avatar{display:block;flex:0 0 auto;width:84px;height:84px;min-width:84px;border-radius:999px;overflow:hidden;border:2px solid color-mix(in srgb,var(--primary) 55%,transparent);box-shadow:0 0 22px color-mix(in srgb,var(--primary) 30%,transparent)}.level-avatar img{width:100%;height:100%;object-fit:cover;display:block}.challenge-art{display:block;width:220px;border-radius:var(--radius);overflow:hidden}.challenge-art img{width:100%;height:86px;object-fit:cover;display:block;-webkit-mask-image:linear-gradient(90deg,transparent,#000 26%);mask-image:linear-gradient(90deg,transparent,#000 26%)}@media (max-width:860px){.challenge-art{display:none}}.invite-art{display:flex;gap:6px;align-items:center}.invite-art img{width:74px;height:74px;object-fit:contain;display:block;filter:drop-shadow(0 6px 16px rgba(0,0,0,.4))}@media (max-width:720px){.invite-art{display:none}}.exam-hero__art{width:88px;height:88px;object-fit:cover;border-radius:999px;display:block}.scenario-cover{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-sm);display:block}.auth-promo__scene{margin:0 0 var(--sp-4);border-radius:var(--radius);overflow:hidden}.auth-promo__scene img{width:100%;height:150px;object-fit:cover;object-position:center 62%;display:block;-webkit-mask-image:linear-gradient(180deg,#000 55%,transparent);mask-image:linear-gradient(180deg,#000 55%,transparent)}.mk-cta__art--car{width:230px;overflow:hidden;border-radius:var(--radius)}.mk-cta__art--car img{width:100%;height:auto;display:block;-webkit-mask-image:linear-gradient(90deg,#000 70%,transparent);mask-image:linear-gradient(90deg,#000 70%,transparent)}.premium-emblem--3d{height:190px;object-fit:contain;background:transparent}.lesson-card__img{display:grid;place-items:center;width:56px;height:56px;flex:0 0 auto}.lesson-card__img img{max-width:100%;max-height:100%;object-fit:contain;display:block;filter:drop-shadow(0 4px 10px rgba(0,0,0,.35))}.action-card__img{display:grid;place-items:center;width:46px;height:46px;flex:0 0 auto}.action-card__img img{max-width:100%;max-height:100%;object-fit:contain;display:block}.mk-feature__img{display:grid;place-items:center;width:54px;height:54px}.mk-feature__img img{max-width:100%;max-height:100%;object-fit:contain;display:block}.poster-card{display:grid;grid-gap:var(--sp-2);gap:var(--sp-2);padding:var(--sp-3)}.poster-card img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--radius-sm);display:block}.poster-card strong{font-size:var(--fs-sm)}.chat-row{display:flex;flex-direction:column;gap:5px;max-width:100%}.chat-row--user{align-items:flex-end;text-align:right}.chat-row--ai{align-items:flex-start}.chat-row .chat__msg{max-width:min(85%,620px);box-shadow:0 1px 2px rgba(2,8,20,.05)}.chat-row--user .chat__msg{text-align:left}.chat-meta{display:flex;align-items:center;gap:var(--sp-2);padding:0 4px;min-height:20px}.chat-time{font-size:var(--fs-xs);color:var(--text-3);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.chat-act{display:inline-flex;align-items:center;gap:5px;padding:3px 8px;border:1px solid transparent;border-radius:var(--radius-pill);background:transparent;color:var(--text-3);font:inherit;font-size:var(--fs-xs);font-weight:600;cursor:pointer;transition:color var(--dur-fast) var(--ease),background var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease)}.chat-act:hover:not(:disabled){color:var(--primary);background:var(--surface-2);border-color:var(--border)}.chat-act:disabled{opacity:.5;cursor:default}.chat-act__ic{flex:0 0 auto}.chat-toolbar{display:flex;justify-content:flex-end;max-width:720px;margin-bottom:var(--sp-2)}.chat-clear{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border:1px solid var(--border);border-radius:var(--radius-pill);background:var(--surface);color:var(--text-2);font:inherit;font-size:var(--fs-xs);font-weight:600;cursor:pointer;transition:color var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease)}.chat-clear:hover:not(:disabled){color:var(--accent-red);border-color:var(--accent-red)}.chat-clear:disabled{opacity:.5;cursor:default}.chat-typing{display:inline-flex;align-items:center;gap:5px;width:auto;min-height:40px;padding:14px 18px}.chat-typing__dot{width:7px;height:7px;border-radius:50%;background:var(--text-3);animation:chat-bounce 1.2s var(--ease) infinite}.chat-typing__dot:nth-child(2){animation-delay:.15s}.chat-typing__dot:nth-child(3){animation-delay:.3s}@keyframes chat-bounce{0%,60%,to{transform:translateY(0);opacity:.45}30%{transform:translateY(-5px);opacity:1}}.chat-end{width:100%;height:1px}