:root{--navy:#1e2a44;--orange:#f97316;--amber:#fbbf24;--bg:#f6f7f9;--surface:#fff;--surface-2:#f1f3f6;--text:#1b2333;--muted:#667085;--border:#e4e7ec;--primary:#1e2a44;--on-primary:#fff;--primary-hover:#34466b;--accent-text:#b45309;--ok:#1a7f4b;--ok-bg:#e6f4ec;--warn:#b45309;--warn-bg:#fdf0dc;--bad:#c0392b;--bad-bg:#fbe9e7;--sidebar-w:252px;--radius:12px;--shadow:0 1px 2px #1018280d;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#0f1420;--surface:#171d2c;--surface-2:#1e2638;--text:#e8ecf5;--muted:#9aa3b5;--border:#2a3246;--primary:#f59e0b;--on-primary:#1b1405;--primary-hover:#fbbf24;--accent-text:#fbbf24;--ok:#4ade80;--ok-bg:#12301f;--warn:#fbbf24;--warn-bg:#3a2c0c;--bad:#f87171;--bad-bg:#3a1a18;--shadow:none;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5}h1,h2,h3{margin:0;line-height:1.25}h1{letter-spacing:-.01em;font-size:1.6rem}h2{font-size:1.1rem}h3{font-size:1rem}p{margin:0}a{color:var(--accent-text)}img{max-width:100%}:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px}button{font:inherit}.shell{min-height:100vh}.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);z-index:40;flex-direction:column;display:flex;position:fixed;inset:0 auto 0 0;overflow-y:auto}.side-top{justify-content:space-between;align-items:center;padding:16px 14px 12px 18px;display:flex}.brand{line-height:0;text-decoration:none;display:block}.side-nav{flex-direction:column;flex:1;gap:2px;padding:8px 10px;display:flex}.nav-item{color:var(--text);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;align-items:center;gap:12px;width:100%;padding:9px 12px;font-weight:500;text-decoration:none;display:flex}.nav-item svg{color:var(--muted);flex:none}.nav-item:hover{background:var(--surface-2)}.nav-item.active{background:color-mix(in srgb, var(--orange) 14%, transparent);color:var(--accent-text);font-weight:600}.nav-item.active svg{color:var(--orange)}.nav-item.disabled{opacity:.5;cursor:default}.nav-item.disabled:hover{background:0 0}.nav-label{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:18px 12px 4px;font-size:.7rem}.side-foot{border-top:1px solid var(--border);gap:8px;padding:12px 14px 16px;display:grid}.who{align-items:center;gap:10px;min-width:0;padding:0 2px;display:flex}.who-name{text-overflow:ellipsis;white-space:nowrap;font-weight:500;overflow:hidden}.avatar{background:var(--navy);color:#fff;border-radius:50%;flex:none;place-items:center;width:32px;height:32px;font-size:.78rem;font-weight:600;display:inline-grid}@media (prefers-color-scheme:dark){.avatar{background:var(--orange);color:#1b1405}}.icon-btn{color:var(--text);cursor:pointer;background:0 0;border:0;border-radius:8px;place-items:center;padding:8px;display:inline-grid}.icon-btn:hover{background:var(--surface-2)}.side-close,.scrim{display:none}.main-col{margin-left:var(--sidebar-w);flex-direction:column;min-height:100vh;display:flex}.topbar{z-index:20;background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);align-items:center;gap:12px;height:56px;padding:0 24px;display:flex;position:sticky;top:0}.menu-btn,.top-logo{display:none}.top-right{align-items:center;gap:14px;margin-left:auto;display:flex}.link-quiet{color:var(--text);font-weight:500;text-decoration:none}.link-quiet:hover{color:var(--accent-text)}.content{flex:1;width:100%;max-width:1120px;margin:0 auto;padding:28px 24px 48px}.foot{border-top:1px solid var(--border);color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:12px;padding:16px 24px;font-size:.85rem;display:flex}@media (width<=900px){.sidebar{box-shadow:none;transition:transform .2s;transform:translate(-100%)}.nav-open .sidebar{transform:none;box-shadow:0 0 40px #0000004d}.side-close{display:inline-grid}.scrim{z-index:30;opacity:0;pointer-events:none;background:#080c1480;transition:opacity .2s;display:block;position:fixed;inset:0}.nav-open .scrim{opacity:1;pointer-events:auto}.main-col{margin-left:0}.menu-btn,.top-logo{display:inline-grid}.top-logo{line-height:0;display:inline-block}.topbar{padding:0 12px}.content{padding:20px 16px 40px}}@media (prefers-reduced-motion:reduce){.sidebar,.scrim{transition:none}}.btn{background:var(--primary);cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:9px 16px;font-weight:600;text-decoration:none;display:inline-flex;color:var(--on-primary)!important}.btn:hover{background:var(--primary-hover)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn.block{width:100%;display:flex}.btn.ghost{border-color:var(--border);background:0 0;color:var(--text)!important}.btn.ghost:hover{background:var(--surface-2)}.btn.accent{background:var(--orange);color:#fff!important}.btn.accent:hover{background:#ea580c}.btn.ghost-light{background:0 0;border-color:#fff6;color:#fff!important}.btn.ghost-light:hover{background:#ffffff1f}.btn.success{background:var(--ok);color:#fff!important}.cta{flex-wrap:wrap;gap:10px;margin-top:16px;display:flex}.chips{flex-wrap:wrap;gap:6px;display:flex}.chip{background:var(--surface-2);color:var(--muted);white-space:nowrap;border-radius:999px;align-items:center;gap:4px;padding:2px 9px;font-size:.75rem;font-weight:600;display:inline-flex}.chip.free{background:color-mix(in srgb, var(--orange) 16%, transparent);color:var(--accent-text)}.chip.ok{background:var(--ok-bg);color:var(--ok)}.chip.warn{background:var(--warn-bg);color:var(--warn)}.muted{color:var(--muted)}.small{font-size:.85rem}.error{color:var(--bad)}.note{border-left:4px solid var(--orange);background:color-mix(in srgb, var(--orange) 9%, transparent);border-radius:6px;margin:14px 0;padding:10px 14px}.note.small{margin:8px 0 0}form label{gap:4px;font-size:.9rem;font-weight:500;display:grid}input[type=text],input[type=email],input[type=password],input:not([type]){border:1px solid var(--border);background:var(--surface);color:inherit;font:inherit;border-radius:8px;padding:10px 12px}input:focus{border-color:var(--orange);box-shadow:0 0 0 3px color-mix(in srgb, var(--orange) 25%, transparent);outline:none}.page-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:20px;display:flex}.page-head .sub{color:var(--muted);margin-top:4px}.crumbs{color:var(--muted);flex-wrap:wrap;align-items:center;gap:4px 6px;margin-bottom:14px;font-size:.85rem;display:flex}.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--accent-text);text-decoration:underline}.section-title{margin-bottom:12px;font-size:1.1rem}section.block,div.block{margin-top:32px}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-top:16px;padding:18px 20px}.panel>h2{flex-wrap:wrap;align-items:baseline;gap:4px 10px;margin-bottom:10px;display:flex}.panel>h2 small{color:var(--muted);font-size:.8rem;font-weight:400}.panel>h2 a{color:inherit;text-decoration:none}.panel>h2 a:hover{color:var(--accent-text)}.code{background:var(--surface-2);color:var(--muted);border-radius:6px;padding:1px 7px;font-size:.75rem;font-weight:700;display:inline-block}.empty{text-align:center;background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius);justify-items:center;gap:8px;padding:36px 20px;display:grid}.empty svg{color:var(--orange)}.empty p{color:var(--muted);max-width:52ch}.empty .btn{margin-top:6px}.empty .cta{justify-content:center;margin-top:8px}.grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;display:grid}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.course-card{color:inherit;flex-direction:column;text-decoration:none;transition:border-color .15s,transform .15s;display:flex}.course-card:hover{border-color:var(--orange);transform:translateY(-2px)}.card.static{flex-direction:column;display:flex}.cover{color:#ffffffeb;place-items:center;height:92px;display:grid}.card-body{flex:1;align-content:start;gap:10px;padding:14px 16px 16px;display:grid}.card-body p{color:var(--muted);font-size:.9rem}.clamp{-webkit-line-clamp:3;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.card-progress{gap:4px;display:grid}.card-progress>span{color:var(--muted);font-size:.78rem}.progress .bar{background:var(--surface-2);border-radius:999px;height:7px;overflow:hidden}.progress .bar>div{background:var(--orange);border-radius:999px;height:100%;transition:width .3s}.hero-banner{color:#fff;background:radial-gradient(900px 300px at 85% 0,#f9731659,#0000 60%),linear-gradient(135deg,#1e2a44,#2b3a5e);border-radius:16px;padding:40px 32px}.hero-banner h1{text-wrap:balance;max-width:22ch;font-size:clamp(1.7rem,4vw,2.4rem)}.hero-banner p{opacity:.9;max-width:58ch;margin-top:12px;font-size:1.05rem}.features{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:20px;display:grid}.feature{justify-items:start;gap:6px;padding:18px;display:grid}.feature p{color:var(--muted);font-size:.9rem}.feat-ico{background:color-mix(in srgb, var(--orange) 16%, transparent);width:38px;height:38px;color:var(--orange);border-radius:10px;place-items:center;display:grid}.hero-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);grid-template-columns:200px 1fr;display:grid;overflow:hidden}.hero-card .cover{height:100%;min-height:160px}.hero-body{align-content:start;gap:10px;padding:20px 22px;display:grid}.hero-body p{color:var(--muted)}.hero-progress{gap:6px;max-width:460px;margin-top:4px;display:grid}.hero-progress>span{color:var(--muted);font-size:.82rem}.hero-progress .btn{justify-self:start;margin-top:4px}@media (width<=640px){.hero-card{grid-template-columns:1fr}.hero-card .cover{height:90px;min-height:0}}.rows{gap:4px;margin:0;padding:0;list-style:none;display:grid}.row{color:var(--text);border-radius:8px;align-items:center;gap:12px;padding:10px 12px;text-decoration:none;display:flex}a.row:hover{background:var(--surface-2)}.row.static{cursor:default}.row.current{background:color-mix(in srgb, var(--orange) 13%, transparent);font-weight:600}.row .t{flex:1;min-width:0}.row .t small{color:var(--muted);font-size:.78rem;font-weight:400;display:block}.row.done .t{color:var(--muted)}.ico{background:var(--surface-2);width:28px;height:28px;color:var(--muted);border-radius:50%;flex:none;place-items:center;display:grid}.ico.ok{background:var(--ok-bg);color:var(--ok)}.ico.quiz,.ico.play{background:color-mix(in srgb, var(--orange) 16%, transparent);color:var(--orange)}.rows.compact .row{padding:7px 8px;font-size:.9rem}.rows.compact .ico{width:24px;height:24px}.lesson-layout{grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:24px;display:grid}.lesson-main{gap:14px;min-width:0;display:grid}.video{aspect-ratio:16/9;border-radius:var(--radius);background:#000;position:relative;overflow:hidden}.video iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.lesson-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.lesson-actions .note{margin:0}.notes{margin-top:0;line-height:1.65}.prevnext{flex-wrap:wrap;justify-content:space-between;gap:12px;display:flex}.lesson-outline{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);max-height:calc(100vh - 92px);box-shadow:var(--shadow);gap:12px;padding:16px;display:grid;position:sticky;top:72px;overflow-y:auto}.lesson-outline h3{color:var(--muted);margin:6px 0 2px;font-size:.82rem}@media (width<=1000px){.lesson-layout{grid-template-columns:1fr}.lesson-outline{max-height:none;position:static}}.q-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);min-width:0;box-shadow:var(--shadow);margin:14px 0 0;padding:16px 18px}.q-card.right{border-left:4px solid var(--ok)}.q-card.wrong{border-left:4px solid var(--bad)}.q-text{gap:10px;margin-bottom:10px;padding:0;font-weight:600;display:flex}legend.q-text{float:left;width:100%}legend.q-text+.opts{clear:both}.q-num{background:var(--surface-2);width:26px;height:26px;color:var(--muted);border-radius:50%;flex:none;place-items:center;font-size:.8rem;display:grid}.opts{gap:8px;margin:0;padding:0;list-style:none;display:grid}.opt{border:1px solid var(--border);cursor:pointer;background:var(--surface);border-radius:8px;align-items:center;gap:10px;padding:10px 12px;display:flex}.opt:hover{border-color:var(--orange)}.opt input{opacity:0;pointer-events:none;position:absolute}.opt.selected{border-color:var(--orange);background:color-mix(in srgb, var(--orange) 10%, transparent)}.opt:has(input:focus-visible){outline:2px solid var(--orange);outline-offset:2px}.letter{background:var(--surface-2);width:24px;height:24px;color:var(--muted);border-radius:50%;flex:none;place-items:center;font-size:.75rem;font-weight:700;display:grid}.opt.selected .letter{background:var(--orange);color:#fff}.opt.review{cursor:default}.opt.review:hover{border-color:var(--border)}.opt.is-correct{border-color:var(--ok);background:var(--ok-bg)}.opt.is-correct .letter{background:var(--ok);color:#fff}.opt.is-wrong{border-color:var(--bad);background:var(--bad-bg)}.opt.is-wrong .letter{background:var(--bad);color:#fff}.opt .tag{text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;margin-left:auto;font-size:.72rem;font-weight:700}.opt.is-correct .tag{color:var(--ok)}.opt.is-wrong .tag{color:var(--bad)}.explain{background:var(--surface-2);border-radius:8px;margin-top:12px;padding:10px 12px;font-size:.92rem}.submit-bar{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:18px;padding:12px 16px;display:flex;position:sticky;bottom:0;box-shadow:0 -4px 16px #10182814}.score-card{border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);flex-wrap:wrap;align-items:center;gap:24px;padding:22px;display:flex}.score-card.pass{border-color:var(--ok)}.score-card.fail{border-color:var(--warn)}.score-card p{color:var(--muted);max-width:54ch;margin-top:4px}.score-ring{--ring:var(--warn);background:conic-gradient(var(--ring) var(--p), var(--surface-2) 0);border-radius:50%;flex:none;place-items:center;width:96px;height:96px;display:grid}.pass .score-ring{--ring:var(--ok)}.score-card+.section-title{margin-top:28px}.score-ring span{background:var(--surface);border-radius:50%;place-items:center;width:76px;height:76px;font-size:1.15rem;font-weight:700;display:grid}.auth-split{background:var(--surface);grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-height:100vh;display:grid}.auth-aside{background:linear-gradient(160deg,#fff1e6 0%,#fdf4f0 45%,#f4f1fb 100%);flex-direction:column;justify-content:center;align-items:center;gap:28px;padding:40px 32px;display:flex}.auth-art{width:min(100%,460px);height:auto}.art-disc{fill:#fff;opacity:.8}.art-ground{fill:#f97316;opacity:.1}.art-card{fill:#fff}.art-line{fill:#d9dee8}.art-line.soft{fill:#eceff5}.art-ring-bg{stroke:#eceff5}.art-text{fill:#1e2a44;font:600 13px Inter,system-ui,sans-serif}.art-text.strong{font-size:14px;font-weight:700}.auth-welcome{text-align:center;max-width:420px}.auth-welcome h2{letter-spacing:-.01em;color:#1e2a44;font-size:1.7rem;line-height:1.25}.auth-welcome h2 span{color:var(--orange)}.auth-welcome p{color:#5b6578;margin-top:10px}.auth-main{justify-content:center;align-items:center;padding:32px 24px;display:flex}.auth-form-wrap{gap:14px;width:100%;max-width:440px;display:grid}.auth-head{justify-content:space-between;align-items:center;gap:12px;margin-bottom:28px;display:flex}.auth-logo{line-height:0}.auth-back{color:var(--accent-text);font-size:.92rem}.auth-form-wrap h1{letter-spacing:-.01em;font-size:1.9rem}.auth-sub{color:var(--muted)}.aform{gap:16px;margin-top:6px;display:grid}.afield{gap:6px;display:grid}.alabel,form label.alabel{font-size:.92rem;font-weight:600;display:block}form label.afield{font-size:inherit;font-weight:inherit;gap:6px;display:grid}.req{color:#e11d48;font-style:normal}.input-wrap{display:block;position:relative}.input-wrap input{border:1px solid var(--border);background:var(--surface);width:100%;color:inherit;font:inherit;border-radius:10px;padding:12px 42px 12px 14px}.input-wrap input:focus{border-color:var(--orange);box-shadow:0 0 0 3px color-mix(in srgb, var(--orange) 25%, transparent);outline:none}.input-wrap input[aria-invalid=true]{border-color:var(--bad)}.adorn{width:30px;height:30px;color:var(--muted);background:0 0;border:0;border-radius:8px;place-items:center;display:grid;position:absolute;top:50%;right:8px;transform:translateY(-50%)}button.adorn{cursor:pointer}button.adorn:hover{background:var(--surface-2);color:var(--text)}.aform-row{justify-content:flex-end;margin-top:-6px;display:flex}.alink{font-size:.9rem}.field-note{margin:-8px 0 0;font-size:.85rem}.pill{cursor:pointer;background:var(--primary);border:0;border-radius:999px;justify-content:center;align-items:center;width:100%;padding:13px 18px;font-size:1rem;font-weight:600;text-decoration:none;display:flex;color:var(--on-primary)!important}.pill:hover{background:var(--primary-hover)}.pill:disabled{opacity:.6;cursor:not-allowed}.link-pill{margin-top:8px}.social{cursor:pointer;background:var(--surface-2);width:100%;color:var(--text);border:1px solid var(--border);border-radius:999px;justify-content:center;align-items:center;gap:10px;padding:12px 18px;font-weight:600;display:flex}.social:hover{border-color:var(--orange)}.auth-alt{text-align:center;color:var(--muted);font-size:.92rem}.divider{color:var(--text);align-items:center;gap:12px;margin:4px 0;font-size:.9rem;display:flex}.divider:before,.divider:after{content:"";background:var(--border);flex:1;height:1px}.strength{gap:4px;display:grid}.strength .segs{grid-template-columns:repeat(4,1fr);gap:6px;display:grid}.strength .segs span{background:var(--surface-2);border-radius:999px;height:4px}.strength .segs span.on.s1{background:var(--bad)}.strength .segs span.on.s2{background:var(--warn)}.strength .segs span.on.s3{background:#65a30d}.strength .segs span.on.s4{background:var(--ok)}.strength small{color:var(--muted);font-size:.8rem}@media (prefers-color-scheme:dark){.auth-aside{background:linear-gradient(160deg,#1b2236 0%,#161d2e 55%,#1a1730 100%)}.auth-welcome h2{color:#e8ecf5}.auth-welcome p{color:#9aa3b5}.art-disc{fill:#232c44;opacity:.9}.art-card{fill:#263150}.art-line{fill:#3a4668}.art-line.soft{fill:#2f3a58}.art-ring-bg{stroke:#3a4668}.art-text{fill:#e8ecf5}}@media (width<=900px){.auth-split{grid-template-columns:1fr}.auth-aside{display:none}.auth-main{align-items:flex-start;padding:24px 16px 40px}.auth-head{margin-bottom:18px}}.profile-banner{color:#fff;background:radial-gradient(520px 220px at 100% 0,#f9731666,#0000 65%),linear-gradient(135deg,#1e2a44,#2b3a5e);border-radius:16px;flex-wrap:wrap;align-items:center;gap:18px;padding:22px 24px;display:flex}.avatar-lg{background:var(--orange);color:#fff;border:3px solid #ffffff59;border-radius:50%;flex:none;place-items:center;width:64px;height:64px;font-size:1.4rem;font-weight:700;display:grid}.pb-text{flex:1;gap:6px;min-width:180px;display:grid}.pb-text h1{color:#fff;font-size:1.4rem}.chip.role{color:#fff;background:#ffffff29;justify-self:start}.pb-actions{flex-wrap:wrap;gap:10px;display:flex}.dtabs{border-bottom:1px solid var(--border);gap:4px;margin:16px 0 20px;display:flex;overflow-x:auto}.dtab{color:var(--muted);white-space:nowrap;border-bottom:3px solid #0000;margin-bottom:-1px;padding:10px 14px;font-weight:600;text-decoration:none}.dtab:hover{color:var(--text)}.dtab.active{color:var(--accent-text);border-bottom-color:var(--orange)}.stats{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;display:grid}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);align-items:center;gap:14px;padding:16px 18px;display:flex}.stat strong{font-size:1.6rem;line-height:1.1;display:block}.stat span:not(.stat-ico){color:var(--muted);font-size:.85rem}.stat-ico{border-radius:12px;flex:none;place-items:center;width:44px;height:44px;display:grid}.stat-ico.orange{background:color-mix(in srgb, var(--orange) 16%, transparent);color:var(--orange)}.stat-ico.navy{color:#3f5378;background:#3f53782e}.stat-ico.green{background:var(--ok-bg);color:var(--ok)}.stat-ico.violet{color:#7c3aed;background:#7c3aed29}@media (prefers-color-scheme:dark){.stat-ico.navy{color:#8aa0c8}.stat-ico.violet{color:#c4a5fb}}.section-row{justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:12px;display:flex}.section-row h2{margin:0}.section-row .more{font-size:.9rem}.panel .section-row{margin-bottom:8px}.score{color:var(--muted);flex:none;font-weight:700}.pills{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.pill-tab{border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;border-radius:999px;padding:7px 14px;font-weight:600}.pill-tab span{color:var(--muted);margin-left:4px;font-weight:500}.pill-tab.active{background:var(--primary);color:var(--on-primary);border-color:#0000}.pill-tab.active span{color:inherit;opacity:.8}.empty.plain{border:0;padding:20px 0}.facts{gap:4px;margin:6px 0 18px;display:grid}.facts>div{border-bottom:1px solid var(--border);grid-template-columns:150px 1fr;gap:12px;padding:8px 0;display:grid}.facts dt{color:var(--muted)}.facts dd{overflow-wrap:anywhere;margin:0;font-weight:500}.profile-form{max-width:420px}@media (width<=600px){.facts>div{grid-template-columns:1fr;gap:2px}}@media (width<=700px){.row.quiz{flex-wrap:wrap}.row.quiz .t{flex:calc(100% - 44px)}.row.quiz .score{margin-left:40px}.stats{grid-template-columns:repeat(2,1fr);gap:10px}.stat{flex-direction:column;align-items:flex-start;gap:8px;padding:14px}.stat-ico{width:36px;height:36px}.profile-banner{padding:18px}.pb-actions{width:100%}}.chip.on-dark{color:#fff;background:#ffffff29}.course-hero{color:#fff;background:radial-gradient(600px 260px at 100% 0,#f9731659,#0000 65%),linear-gradient(135deg,#1e2a44,#2b3a5e);border-radius:16px;gap:12px;padding:28px 30px;display:grid}.course-hero h1{color:#fff;font-size:clamp(1.5rem,3vw,2rem)}.course-hero>p{color:#ffffffd9;max-width:72ch}.ch-meta{flex-wrap:wrap;gap:8px 22px;margin:4px 0 0;padding:0;font-size:.92rem;list-style:none;display:flex}.ch-meta li{align-items:center;gap:7px;display:inline-flex}.ch-meta svg{color:var(--amber)}.ch-instructor{align-items:center;gap:10px;margin-top:6px;display:flex}.ch-instructor .avatar{background:var(--orange);color:#fff;width:38px;height:38px}.ch-instructor strong{line-height:1.2;display:block}.ch-instructor small{color:#ffffffbf}.course-layout{grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:24px;margin-top:8px;display:grid}.course-main>.panel:first-child{margin-top:16px}.enroll-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-top:16px;position:sticky;top:72px;overflow:hidden}.enroll-card .cover{height:120px}.ec-body{gap:12px;padding:16px;display:grid}.ec-body h3{margin-top:6px;font-size:.95rem}.price{color:var(--ok);font-size:1.7rem;font-weight:800;line-height:1}.price small{color:var(--muted);font-size:.85rem;font-weight:500}.incl{gap:10px;margin:0;padding:0;font-size:.92rem;list-style:none;display:grid}.incl li{align-items:center;gap:10px;display:flex}.incl svg{color:var(--orange);flex:none}.incl .soon{color:var(--muted)}.feat{margin:0;display:grid}.feat>div{border-bottom:1px solid var(--border);justify-content:space-between;padding:8px 0;font-size:.92rem;display:flex}.feat>div:last-child{border-bottom:0}.feat dt{color:var(--muted)}.feat dd{margin:0;font-weight:600}.panel>h3{margin:18px 0 6px;font-size:.95rem}.lead{color:var(--text);line-height:1.7}.covers{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:8px 20px;margin:0;padding:0;list-style:none;display:grid}.covers li{align-items:flex-start;gap:8px;display:flex}.covers svg{color:var(--ok);flex:none;margin-top:3px}.covers small{color:var(--muted)}.acc{border:1px solid var(--border);border-radius:10px;margin-bottom:8px;overflow:hidden}.acc>summary{background:var(--surface-2);cursor:pointer;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;font-weight:600;list-style:none;display:flex}.acc>summary::-webkit-details-marker{display:none}.acc>summary:after{content:"";border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);flex:none;width:8px;height:8px;margin:-3px 2px 0 6px;transition:transform .15s;transform:rotate(45deg)}.acc[open]>summary:after{margin-top:3px;transform:rotate(-135deg)}.acc>summary>span:first-child{flex:1}.acc .rows{padding:6px 8px 8px}.acc-empty{margin:0;padding:12px 14px}.instructor{align-items:center;gap:14px;margin-bottom:10px;display:flex}.instructor h3{margin:0}.avatar-lg.dark{background:var(--navy)}@media (prefers-color-scheme:dark){.avatar-lg.dark{background:var(--orange)}}@media (width<=1000px){.course-layout{grid-template-columns:1fr}.enroll-card{order:-1;position:static}}.search-bar{background:var(--surface);border:1px solid var(--border);max-width:520px;color:var(--muted);border-radius:999px;align-items:center;gap:10px;margin-bottom:20px;padding:0 16px;display:flex}.search-bar:focus-within{border-color:var(--orange);box-shadow:0 0 0 3px color-mix(in srgb, var(--orange) 22%, transparent)}.search-bar input{min-width:0;color:var(--text);font:inherit;background:0 0;border:0;outline:none;flex:1;padding:11px 0}.eyebrow{color:var(--accent-text);background:color-mix(in srgb, var(--orange) 14%, transparent);border-radius:999px;padding:4px 12px;font-size:.85rem;font-weight:600;display:inline-block}.eyebrow.plain{background:0 0;padding:0}.home-hero{border:1px solid var(--border);background:radial-gradient(700px 320px at 92% 8%,#f9731629,#0000 60%),linear-gradient(160deg,#fff4ea,#fdf6f3 55%,#f3f0fb);border-radius:20px;grid-template-columns:1.05fr .95fr;align-items:center;gap:24px;padding:40px 40px 72px;display:grid}.hh-text h1{letter-spacing:-.02em;text-wrap:balance;color:#1e2a44;margin:14px 0 12px;font-size:clamp(1.9rem,3.6vw,2.75rem);line-height:1.15}.hh-text h1 span{color:var(--orange)}.hh-text>p{color:#55607a;max-width:54ch}.hero-search{color:#7b8498;background:#fff;border:1px solid #ecd9cb;border-radius:999px;align-items:center;gap:10px;max-width:520px;margin-top:20px;padding:6px 6px 6px 18px;display:flex;box-shadow:0 8px 24px #f973161f}.hero-search:focus-within{border-color:var(--orange)}.hero-search input{color:#1b2333;min-width:0;font:inherit;background:0 0;border:0;outline:none;flex:1;padding:9px 0}.hero-search .go{background:var(--orange);color:#fff;cursor:pointer;border:0;border-radius:50%;flex:none;place-items:center;width:42px;height:42px;display:grid}.hero-search .go:hover{background:#ea580c}.trust{margin-top:16px;font-size:.92rem;color:#667085!important}.trust strong{color:#1e2a44}.hh-art{place-items:center;min-height:300px;display:grid;position:relative}.hh-blob{background:linear-gradient(135deg,#fdba74,#f97316 60%,#ea580c);border-radius:40px;position:absolute;inset:4% 10%;transform:rotate(8deg)}.hh-art .auth-art{width:min(100%,440px);position:relative}.stats.overlap{margin:-38px 28px 0;position:relative}.section-title.big{margin:2px 0 0;font-size:1.6rem}.section-row .btn{flex:none}.master{grid-template-columns:.9fr 1.1fr;align-items:center;gap:40px;margin-top:56px;display:grid}.steps{background:linear-gradient(135deg,#1e2a44,#34466b);border-radius:20px;gap:14px;padding:30px;display:grid}.step{color:#fff;background:#ffffff1a;border-radius:14px;align-items:center;gap:14px;padding:16px 18px;font-weight:600;display:flex}.step span{background:var(--orange);border-radius:50%;flex:none;place-items:center;width:34px;height:34px;font-weight:700;display:grid}.master-text h2{font-size:1.7rem}.rule{background:linear-gradient(90deg, var(--orange), #7c3aed);border-radius:2px;width:64px;height:4px;margin:10px 0 14px;display:block}.master-text>p{color:var(--muted)}.bullets{grid-template-columns:1fr 1fr;gap:18px;margin:20px 0 0;padding:0;list-style:none;display:grid}.bullets li{align-items:flex-start;gap:12px;display:flex}.bullets strong{display:block}.bullets span:not(.feat-ico){color:var(--muted);font-size:.88rem}.cta-band{color:#fff;background:radial-gradient(500px 200px at 100% 0,#f9731659,#0000 65%),linear-gradient(135deg,#1e2a44,#2b3a5e);border-radius:16px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:18px;margin-top:56px;padding:28px 32px;display:flex}.cta-band h2{color:#fff;font-size:1.4rem}.cta-band p{opacity:.85;margin-top:4px}@media (prefers-color-scheme:dark){.home-hero{background:radial-gradient(700px 320px at 92% 8%,#f9731633,#0000 60%),linear-gradient(160deg,#1b2236,#161d2e 55%,#1a1730)}.hh-text h1,.trust strong{color:#e8ecf5}.hh-text>p,.trust{color:#9aa3b5!important}}@media (width<=900px){.home-hero{grid-template-columns:1fr;padding:26px 20px 60px}.hh-art{min-height:240px}.stats.overlap{margin:-30px 8px 0}.master{grid-template-columns:1fr;gap:24px}.bullets{grid-template-columns:1fr}.cta-band{padding:22px 20px}}textarea,select,input[type=number]{border:1px solid var(--border);background:var(--surface);color:inherit;font:inherit;border-radius:8px;width:100%;padding:10px 12px}textarea{resize:vertical;line-height:1.5}textarea:focus,select:focus,input[type=number]:focus{border-color:var(--orange);box-shadow:0 0 0 3px color-mix(in srgb, var(--orange) 25%, transparent);outline:none}.form{gap:14px;display:grid}.form h2,.form h3{margin:0}.field{gap:4px;font-size:.9rem;font-weight:500;display:grid}.field>small{color:var(--muted);font-weight:400}.form-error{margin:0;font-size:.9rem}.saved{color:var(--ok);align-self:center}.check{cursor:pointer;align-items:center;gap:8px;font-weight:500;display:flex}.check input{width:18px;height:18px;accent-color:var(--orange)}.checks{gap:8px;display:grid}.inline-form{flex-wrap:wrap;align-items:flex-end;gap:8px;margin-top:12px;display:flex}.inline-form input,.inline-form select{flex:0 190px;width:auto;min-width:0}.inline-form .grow,.grow{flex:220px;width:auto}.inline-form .narrow,.narrow{flex:0 0 90px;width:90px}.inline-form.edit{background:var(--surface-2);border-radius:8px;margin:4px 0 8px;padding:10px 12px}.inline-form .field{flex:200px}.panel.inline-form{align-items:flex-end;margin-top:16px}.edit-box{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-2);margin:8px 0 12px;padding:16px}.edit-box textarea,.edit-box input,.edit-box select{background:var(--surface)}.group{margin-top:14px}.group>h3{color:var(--muted);margin-bottom:4px;font-size:.85rem}.btn.small{padding:6px 12px;font-size:.85rem}.btn.danger{color:var(--bad)!important}.btn.danger:hover{background:var(--bad-bg)}.icon-btn.sm{border:1px solid var(--border);border-radius:6px;padding:2px 8px;font-size:1rem;line-height:1.4}.icon-btn:disabled{opacity:.4;cursor:default}.move{gap:4px;display:inline-flex}.row .btn,.row .chip,.row .move{flex:none}@media (width<=700px){.row.static{flex-wrap:wrap}.row.static .t{flex:100%}}.q-admin{border-top:1px solid var(--border);padding:14px 0}.q-admin:first-of-type{border-top:0}.q-admin-head{align-items:flex-start;gap:8px;margin-bottom:8px;display:flex}.q-admin-head .q-text{flex:1;margin:0}.opt-edit{border:1px solid var(--border);border-radius:8px;gap:8px;padding:10px 12px;display:grid}.opt-edit legend{padding:0 6px;font-size:.9rem;font-weight:500}.opt-row{align-items:center;gap:8px;display:flex}.opt-row input[type=radio]{width:18px;height:18px;accent-color:var(--ok);flex:none}.opt-row .grow{flex:1}.opt-row input:not([type=radio]){border:1px solid var(--border);background:var(--surface);color:inherit;font:inherit;border-radius:8px;padding:8px 10px}