.particles{z-index:0;pointer-events:none;position:fixed;inset:0}.sidebar-backdrop{display:none}.sidebar{z-index:12;border-right:1px solid var(--glass-border);-webkit-backdrop-filter:blur(20px);background:#0a0820c7;flex-direction:column;width:280px;height:100svh;padding:22px 16px 28px;animation:.45s both slideInLeft;display:flex;position:sticky;top:0;overflow:auto}@keyframes slideInLeft{0%{opacity:0;transform:translate(-24px)}to{opacity:1;transform:none}}.sidebar-kicker{letter-spacing:.16em;text-transform:uppercase;color:var(--text-dim);margin-bottom:18px;padding:0 8px;font-size:.72rem;font-weight:700}.sidebar-nav{flex-direction:column;flex:1;gap:22px;display:flex}.sidebar-user{border-top:1px solid var(--glass-border);margin-top:20px;padding:14px 8px 0}.sidebar-user p{color:var(--text-dim);word-break:break-all;margin-bottom:8px;font-size:.78rem}.sidebar-logout{color:var(--pink-soft);font-size:.82rem;font-weight:700}.sidebar-logout:hover{color:#fff}.sidebar-module h2{font-family:var(--font-display);letter-spacing:-.03em;margin-bottom:10px;padding:0 8px;font-size:1.15rem}.sidebar-parts{flex-direction:column;gap:8px;display:flex}.sidebar-part{text-align:left;width:100%;color:var(--text);background:#ffffff09;border:1px solid #0000;border-radius:14px;grid-template-columns:1fr auto;gap:2px 8px;padding:10px 12px;transition:background .2s,border-color .2s,box-shadow .2s;display:grid}.sidebar-part-index{letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);grid-column:1/-1;font-size:.7rem;font-weight:700}.sidebar-part-title{font-size:.92rem;font-weight:600;line-height:1.35}.sidebar-chip{letter-spacing:.04em;text-transform:lowercase;color:#e9d5ff;background:#8b5cf62e;border-radius:999px;align-self:center;padding:2px 8px;font-size:.68rem;font-weight:700}.sidebar-chip.is-done{color:#fce7f3;background:#ec489933}.sidebar-part:hover{background:#ffffff0f;border-color:#c4b5fd38}.sidebar-part.is-active{background:linear-gradient(135deg,#6366f138,#ec48991f);border-color:#c4b5fd6b;box-shadow:0 0 22px #8b5cf62e}.sidebar-part.is-soon{opacity:.78}.sidebar-part.is-test{color:#f5f3ff;background:#c4b5fd47;border:1px solid #ddd6fe73;width:calc(100% - 14px);margin-left:14px}.sidebar-part.is-test .sidebar-part-title{font-family:var(--font-display);letter-spacing:-.02em}.sidebar-part.is-test:hover{background:#d8b4fe61;border-color:#ede9fe99}.sidebar-part.is-test.is-active{background:linear-gradient(135deg,#c4b5fd8c,#f472b638);border-color:#ede9febf;box-shadow:0 0 22px #c4b5fd47}.course-shell{grid-template-columns:280px minmax(0,1fr);min-height:100svh;display:grid}@media (width<=900px){.course-shell{grid-template-columns:1fr}.sidebar-backdrop.is-on{z-index:18;background:#0504128c;border:0;display:block;position:fixed;inset:0}.sidebar{z-index:19;width:min(320px,86vw);transition:transform .3s;animation:none;position:fixed;top:0;left:0;transform:translate(-110%)}.sidebar.is-open{transform:none}}.btn{letter-spacing:.02em;border-radius:999px;justify-content:center;align-items:center;gap:10px;min-height:56px;padding:0 28px;font-weight:700;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;display:inline-flex}.btn:active:not(:disabled){transform:translateY(1px)scale(.99)}.btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}.btn-primary{color:#fff;box-shadow:var(--shadow-btn), 0 0 28px #8b5cf659;background:linear-gradient(135deg,#6366f1 0%,#8b5cf6 48%,#ec4899 120%)}.btn-primary:hover:not(:disabled){box-shadow:var(--shadow-btn), 0 0 42px #ec489961;transform:translateY(-1px)}.btn-ghost{min-height:42px;color:var(--text);border:1px solid var(--glass-border);background:#ffffff0a;padding:0 16px}.btn-ghost:hover{background:#ffffff14;border-color:#c4b5fd59}.btn-wide{width:100%;max-width:320px}.auth-form{text-align:left;border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(18px);flex-direction:column;gap:14px;width:100%;max-width:420px;margin:0 auto 8px;padding:22px 22px 20px;display:flex}.auth-tabs{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:4px;display:grid}.auth-tabs button{min-height:42px;color:var(--text-muted);border:1px solid var(--glass-border);background:#ffffff0a;border-radius:999px;font-weight:700}.auth-tabs button.is-on{color:#fff;background:#8b5cf647;border-color:#c4b5fd73}.auth-field{flex-direction:column;gap:6px;display:flex}.auth-field span{letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);font-size:.78rem;font-weight:700}.auth-field input{border:1px solid var(--glass-border);background:#07061a8c;border-radius:14px;outline:none;min-height:48px;padding:0 14px}.auth-field input:focus{border-color:#c4b5fd8c;box-shadow:0 0 0 3px #8b5cf62e}.auth-error,.auth-notice{font-size:.9rem}.auth-error{color:#f9a8d4}.auth-notice{color:#c4b5fd}.auth-form .btn-wide{max-width:none;margin-top:4px}.progress-card{border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(18px);width:100%;padding:20px 22px 18px;box-shadow:0 0 0 1px #ffffff08,0 18px 50px #05041459}.progress-head{color:var(--text-muted);justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:12px;font-size:.92rem;display:flex}.progress-pct{font-family:var(--font-display);color:var(--text);letter-spacing:-.03em;font-size:1.15rem;font-weight:700}.progress-track{background:#ffffff0f;border-radius:999px;height:10px;overflow:hidden;box-shadow:inset 0 0 0 1px #ffffff0a}.progress-fill{border-radius:inherit;background:linear-gradient(90deg,#6366f1,#8b5cf6 55%,#ec4899);height:100%;transition:width .65s cubic-bezier(.22,1,.36,1);box-shadow:0 0 16px #8b5cf6b3}.progress-meta{color:var(--text-dim);margin-top:10px;font-size:.86rem}.home{z-index:2;justify-content:center;align-items:center;min-height:100svh;padding:48px 20px;display:flex;position:relative}.home-inner{text-align:center;flex-direction:column;align-items:center;width:min(720px,100%);display:flex}.home.is-auth .home-inner{visibility:hidden;pointer-events:none}.badge{letter-spacing:.12em;text-transform:uppercase;color:#e9d5ff;background:#8b5cf624;border:1px solid #c4b5fd47;border-radius:999px;align-items:center;gap:8px;margin-bottom:22px;padding:7px 14px;font-size:.78rem;font-weight:600;display:inline-flex;box-shadow:0 0 24px #8b5cf62e}.home-title{font-family:var(--font-display);letter-spacing:-.045em;background:linear-gradient(135deg,#fff 12%,#ddd6fe 46%,#f9a8d4 100%);-webkit-text-fill-color:transparent;color:#0000;-webkit-background-clip:text;background-clip:text;font-size:clamp(3.1rem,11vw,5.6rem);font-weight:800;line-height:.92}.home-lead{max-width:34rem;color:var(--text-muted);margin:22px 0 36px;font-size:1.08rem}.home-inner .progress-card{text-align:left;margin-bottom:28px}.home-hint{color:var(--text-dim);margin-top:16px;font-size:.86rem}.home-hint code{color:#ddd6fe;font-size:.82em}.home-account{color:var(--text-dim);flex-wrap:wrap;justify-content:center;align-items:center;gap:10px 14px;margin-top:18px;font-size:.9rem;display:flex}.auth-overlay{z-index:30;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.auth-backdrop{background:0 0;border:0;position:absolute;inset:0}.auth-dialog .auth-form{-webkit-backdrop-filter:none;background:#14122e;margin:0}.auth-dialog{z-index:1;width:min(440px,100%);position:relative}.auth-dialog-head{justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;display:flex}.auth-dialog-head p{font-family:var(--font-display);letter-spacing:-.03em;font-size:1.15rem;font-weight:700}@media (width<=520px){.home{padding:36px 16px 48px}.home-inner .btn-wide{max-width:none}}.sort-list{flex-direction:column;gap:10px;margin:8px 0 22px;list-style:none;display:flex}.sort-item{color:#2e1064;cursor:grab;-webkit-user-select:none;user-select:none;touch-action:none;background:#ffffffc7;border:1px solid #a78bfa73;border-radius:16px;grid-template-columns:auto auto 1fr;align-items:center;gap:12px;padding:14px 16px;transition:transform .22s cubic-bezier(.22,1,.36,1),box-shadow .22s,background .22s,border-color .22s;display:grid;box-shadow:0 8px 24px #6d28d914}.sort-item.is-dragging{cursor:grabbing;z-index:2;background:#fff;border-color:#8b5cf6b3;transition:box-shadow .22s,background .22s,border-color .22s;transform:scale(1.03);box-shadow:0 16px 40px #7c3aed47}.sort-item.is-correct{background:#d1fae5e6;border-color:#10b9818c}.sort-item.is-wrong{background:#fce7f3eb;border-color:#f472b68c}.sort-handle{letter-spacing:-.12em;color:#7c3aed;font-size:1.05rem}.sort-index{width:22px;font-family:var(--font-display);color:#6d28d9;font-size:.85rem;font-weight:700}.quiz{padding-bottom:32px}.quiz-progress{letter-spacing:.12em;text-transform:uppercase;color:#6d28d9;margin-bottom:10px;font-size:.78rem;font-weight:700}.quiz-question{font-family:var(--font-display);letter-spacing:-.03em;color:#1e1b4b;margin-bottom:20px;font-size:clamp(1.35rem,3vw,1.85rem);line-height:1.25}.quiz-options{flex-direction:column;gap:10px;display:flex}.quiz-option{text-align:left;color:#1e1b4b;background:#ffffffb8;border:1px solid #a78bfa66;border-radius:16px;grid-template-columns:auto 1fr;align-items:start;gap:12px;width:100%;padding:14px 16px;transition:border-color .2s,background .2s,box-shadow .2s;display:grid}.quiz-option:hover:not(:disabled){background:#ffffffeb;border-color:#7c3aed8c}.quiz-option.is-selected{background:#fff;border-color:#7c3aedb3;box-shadow:0 0 22px #8b5cf633}.quiz-option.is-correct{background:#d1fae5f2;border-color:#10b98199}.quiz-option.is-wrong{background:#fce7f3f2;border-color:#f472b68c}.quiz-option:disabled{cursor:default}.quiz-letter{color:#fff;background:linear-gradient(135deg,#8b5cf6,#a78bfa);border-radius:9px;justify-content:center;align-items:center;min-width:28px;height:28px;font-size:.78rem;font-weight:800;display:inline-flex}.quiz-hint{color:#9d174d;margin-top:16px;font-weight:600}.quiz-hint.is-ok{color:#047857}.quiz-result{border-radius:var(--radius);text-align:center;background:#ffffff9e;border:1px solid #a78bfa59;margin-top:8px;padding:28px 22px}.quiz-result p{font-family:var(--font-display);font-size:1.2rem}.quiz-result .is-pass{color:#047857}.quiz-result .is-fail{color:#9d174d}.quiz-actions{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:22px;display:flex}.lesson-bar{z-index:10;-webkit-backdrop-filter:blur(18px);background:#07061ab8;border-bottom:1px solid #c4b5fd1a;position:sticky;top:0}.lesson-bar-row{grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:14px 20px 12px;display:grid}.lesson-menu{display:none}.lesson-bar-title{white-space:nowrap;text-overflow:ellipsis;color:var(--text-muted);font-size:.92rem;font-weight:600;overflow:hidden}.lesson-read{min-width:48px;font-family:var(--font-display);text-align:right;color:var(--pink-soft);font-size:.85rem;font-weight:700}.lesson-read-line{background:#ffffff0f;height:2px}.lesson-read-fill{background:linear-gradient(90deg,#6366f1,#ec4899);height:100%;transition:width .12s linear;box-shadow:0 0 10px #ec48998c}.lesson-article{width:min(760px,100% - 32px);margin:0 auto;padding:36px 0 96px}.lesson.is-test .lesson-article{color:#1e1b4b;background:linear-gradient(#ede9feeb,#ddd6fec7);border:1px solid #c4b5fd8c;border-radius:28px;padding:28px 24px 64px;box-shadow:0 18px 50px #6d28d91f}.lesson.is-test .lesson-kicker{color:#6d28d9}.lesson.is-test .lesson-hero h1,.lesson.is-test .lesson-section h2{color:#1e1b4b}.lesson.is-test .lesson-lead,.lesson.is-test .lesson-p{color:#4c1d95}.lesson.is-test .lesson-bar-title{color:#ddd6fe}.lesson-hero{margin-bottom:42px}.lesson-kicker{letter-spacing:.14em;text-transform:uppercase;color:#c4b5fd;margin-bottom:12px;font-size:.78rem;font-weight:600;display:inline-block}.lesson-hero h1{font-family:var(--font-display);letter-spacing:-.035em;font-size:clamp(2rem,6vw,3.15rem);line-height:1.08}.lesson-lead{max-width:38rem;color:var(--pink-soft);margin-top:14px;font-size:1.12rem}.lesson-section{margin-bottom:48px}.lesson-section h2{font-family:var(--font-display);letter-spacing:-.03em;border-left:3px solid #0000;border-image:linear-gradient(#8b5cf6,#ec4899) 1;margin-bottom:18px;padding-left:14px;font-size:clamp(1.28rem,3.4vw,1.7rem);line-height:1.25}.lesson-p{color:var(--text-muted);margin-bottom:14px;font-size:1.05rem}.lesson-callout{color:var(--text);background:linear-gradient(135deg,#6366f129,#ec48991a);border:1px solid #c4b5fd38;border-radius:18px;margin:18px 0 20px;padding:18px 20px;font-weight:500;box-shadow:0 0 28px #8b5cf61f}.timeline{flex-direction:column;gap:18px;margin:22px 0 24px;padding-left:22px;list-style:none;display:flex;position:relative}.timeline:before{content:"";opacity:.55;background:linear-gradient(#6366f1,#ec4899);width:2px;position:absolute;top:8px;bottom:8px;left:5px}.timeline-item{position:relative}.timeline-item:before{content:"";background:#c4b5fd;border-radius:50%;width:12px;height:12px;position:absolute;top:8px;left:-22px;box-shadow:0 0 0 4px #07061ae6,0 0 14px #8b5cf6e6}.timeline-year{font-family:var(--font-display);color:var(--pink-soft);letter-spacing:-.02em;font-size:1.02rem;font-weight:700}.timeline-text{color:var(--text-muted);margin-top:4px}.models{gap:16px;margin:22px 0 8px;display:grid}.model-card{border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(16px);padding:22px 22px 20px}.model-head{flex-wrap:wrap;align-items:baseline;gap:10px 14px;margin-bottom:10px;display:flex}.model-rank{font-family:var(--font-display);letter-spacing:.08em;color:#a5b4fc;font-size:.82rem;font-weight:700}.model-card h3{font-family:var(--font-display);letter-spacing:-.03em;font-size:1.28rem}.model-role{color:#fce7f3;background:#ec489929;border:1px solid #f9a8d438;border-radius:999px;margin-left:auto;padding:4px 10px;font-size:.75rem;font-weight:600}.model-text{color:var(--text-muted);margin-bottom:14px}.model-meta{gap:10px;display:grid}.model-meta p{background:#ffffff08;border-radius:12px;padding:10px 12px;font-size:.94rem}.model-meta strong{letter-spacing:.08em;text-transform:uppercase;color:#c4b5fd;margin-bottom:2px;font-size:.72rem;display:block}.mentions{gap:12px;margin:18px 0 8px;display:grid}.mention-card{border:1px solid var(--glass-border);background:#ffffff09;border-radius:16px;padding:16px 18px}.mention-card h3{margin-bottom:6px;font-size:1.02rem}.mention-card p{color:var(--text-muted);font-size:.96rem}.lesson-end{border-radius:var(--radius);text-align:center;border:1px solid var(--glass-border);background:linear-gradient(#6366f129,#12103066);margin-top:12px;padding:28px 24px}.lesson-end p{color:var(--text-muted);margin-bottom:18px}.lesson-end .btn-wide{max-width:280px}.lesson-soon{border-radius:var(--radius);color:var(--text-muted);background:var(--glass);border:1px solid var(--glass-border);padding:28px 24px}.elements{flex-direction:column;gap:10px;margin:18px 0 22px;list-style:none;display:flex}.element-card{background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;grid-template-columns:auto 1fr;column-gap:14px;padding:14px 16px;display:grid}.element-num{font-family:var(--font-display);letter-spacing:.08em;color:#a5b4fc;grid-row:1/3;align-self:center;font-size:.85rem;font-weight:700}.element-card h3{font-family:var(--font-display);letter-spacing:-.02em;font-size:1.05rem}.element-card p{color:var(--text-muted);font-size:.95rem}.recipe{border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-border);margin:18px 0 22px;padding:4px 0;list-style:none}.recipe-row{border-bottom:1px solid #c4b5fd1f;padding:14px 18px}.recipe-row:last-child{border-bottom:none}.recipe-label{letter-spacing:.1em;text-transform:uppercase;color:var(--pink-soft);margin-bottom:4px;font-size:.72rem;font-weight:700}.prompt-card{border:1px solid var(--glass-border);border-radius:16px;margin:0;padding:16px 18px}.lesson-section>.prompt-card{margin:4px 0 16px}.prompt-card figcaption{letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px;font-size:.72rem;font-weight:700}.prompt-card p{white-space:pre-line;font-size:1rem;line-height:1.55}.prompt-doc-group{margin-top:12px}.prompt-doc-title{letter-spacing:.08em;text-transform:uppercase;color:var(--pink-soft);margin-bottom:6px;font-size:.78rem;font-weight:700}.prompt-card ul{color:var(--text-muted);margin:0;padding-left:18px}.prompt-card li+li{margin-top:4px}.prompt-card.is-weak{background:#ffffff08}.prompt-card.is-weak figcaption{color:var(--text-dim)}.prompt-card.is-strong{background:linear-gradient(135deg,#6366f129,#ec48991a);box-shadow:0 0 24px #8b5cf61f}.prompt-card.is-strong figcaption{color:var(--pink-soft)}@media (width>=720px){.prompt-pair{grid-template-columns:1fr 1fr}}@media (width<=900px){.lesson-bar-row{grid-template-columns:auto auto 1fr auto}.lesson-menu{display:inline-flex}}@media (width<=640px){.lesson-bar-row{padding:12px 12px 10px}.model-role{margin-left:0}.mentions{grid-template-columns:1fr}}@media (width>=720px){.mentions{grid-template-columns:1fr 1fr}}:root{--bg:#07061a;--bg-soft:#100e2a;--violet:#8b5cf6;--indigo:#6366f1;--pink:#ec4899;--pink-soft:#f9a8d4;--cyan:#67e8f9;--text:#f4f1ff;--text-muted:#b7b0d6;--text-dim:#8b84ab;--glass:#1210309e;--glass-border:#c4b5fd2e;--glow:#8b5cf673;--radius:22px;--font-sans:"Manrope", system-ui, sans-serif;--font-display:"Syne", system-ui, sans-serif;--shadow-btn:0 0 0 1px #ffffff14, 0 10px 40px #6366f159}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}html,body,#root{min-height:100%}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);letter-spacing:.01em;-webkit-font-smoothing:antialiased;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;line-height:1.65}button,input{font:inherit;color:inherit}button{cursor:pointer;background:0 0;border:none}img{max-width:100%}::selection{color:#fff;background:#8b5cf673}.ambient{pointer-events:none;z-index:0;position:fixed;inset:0;overflow:hidden}.orb{filter:blur(70px);opacity:.55;border-radius:50%;animation:18s ease-in-out infinite drift;position:absolute}.orb-a{background:radial-gradient(circle,#6366f1b3,#0000 68%);width:420px;height:420px;top:-120px;left:-80px}.orb-b{background:radial-gradient(circle,#ec48996b,#0000 70%);width:380px;height:380px;animation-delay:-6s;top:18%;right:-120px}.orb-c{background:radial-gradient(circle,#8b5cf661,#0000 72%);width:480px;height:480px;animation-delay:-11s;bottom:-180px;left:28%}@keyframes drift{0%,to{transform:translate(0,0)scale(1)}50%{transform:translate(24px,-18px)scale(1.08)}}.screen{z-index:2;opacity:1;animation:.5s fadeUp;position:relative}@keyframes fadeUp{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}.reveal{opacity:0;transition:opacity .7s,transform .7s;transform:translateY(20px)}.reveal.is-in{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.orb,.screen,.reveal{opacity:1;transition:none;animation:none;transform:none}}