:root{--bg:#0b0d12;--bg-soft:#11141b;--surface:#151922;--surface-hover:#1a1f2b;--border:#262c39;--border-strong:#333b4d;--text:#e8ecf4;--text-dim:#9aa4b8;--text-faint:#6d778c;--accent:#8b7cff;--accent-soft:#8b7cff24;--gold:#f4c04f;--danger:#ff7a7a;--radius:14px;--shadow:0 1px 2px #0006, 0 12px 32px -18px #000000e6;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font-family:ui-sans-serif,system-ui,Segoe UI,Inter,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{min-height:100vh;color:var(--text);background:radial-gradient(1100px 520px at 12% -12%, #8b7cff29, transparent 70%), radial-gradient(900px 460px at 92% 0%, #38bdf81a, transparent 65%), var(--bg);margin:0}h1,h2,h3,p,dl,dd,ul{margin:0}a{color:inherit;text-decoration:none}code{color:#cfc7ff;background:#8b7cff1f;border-radius:6px;padding:.1em .4em;font-family:ui-monospace,SFMono-Regular,SF Mono,Consolas,monospace;font-size:.88em}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.app{flex-direction:column;gap:1.75rem;width:min(1200px,100% - 3rem);margin-inline:auto;padding:3rem 0 4rem;display:flex}.masthead{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:1.5rem;display:flex}.masthead__text{max-width:62ch}.eyebrow{letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-size:.72rem;font-weight:600}.masthead h1{letter-spacing:-.03em;margin-top:.4rem;font-size:clamp(1.9rem,4vw,2.6rem);line-height:1.1}.lede{color:var(--text-dim);margin-top:.7rem;font-size:.94rem;line-height:1.6}.summary{gap:.6rem;display:flex}.summary>div{border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(180deg, var(--surface), var(--bg-soft));min-width:8.5rem;padding:.8rem 1rem}.summary dt{letter-spacing:.09em;text-transform:uppercase;color:var(--text-faint);font-size:.7rem}.summary dd{font-variant-numeric:tabular-nums;letter-spacing:-.02em;margin-top:.2rem;font-size:1.45rem;font-weight:650}.summary__hint{color:var(--text-faint);font-size:.8rem;font-weight:500}.toolbar{z-index:10;border:1px solid var(--border);border-radius:var(--radius);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#11141bdb;flex-wrap:wrap;align-items:center;gap:.75rem;padding:.75rem;display:flex;position:sticky;top:0}.field{display:flex}.field--search{flex:16rem}.field--sort{flex:0 12rem}.field input,.field select{width:100%;font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:.6rem .8rem;font-size:.9rem;transition:border-color .12s,box-shadow .12s}.field input::placeholder{color:var(--text-faint)}.field input:focus-visible,.field select:focus-visible{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}.field select{cursor:pointer}.toolbar__status{font-variant-numeric:tabular-nums;color:var(--text-dim);white-space:nowrap;margin-left:auto;padding-right:.4rem;font-size:.82rem}.grid{grid-template-columns:repeat(auto-fill,minmax(19rem,1fr));gap:1rem;display:grid}.card{border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(180deg, var(--surface), var(--bg-soft));box-shadow:var(--shadow);flex-direction:column;gap:.85rem;padding:1.1rem;transition:transform .16s,border-color .16s,background .16s;display:flex;position:relative}.card__overlay{z-index:1;border-radius:inherit;position:absolute;inset:0}.card__overlay:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.card__cta{color:var(--accent);opacity:.75;margin-top:.15rem;font-size:.78rem;font-weight:600;transition:opacity .16s,transform .16s}.card__cta span{transition:transform .16s;display:inline-block}.card:hover .card__cta{opacity:1}.card:hover .card__cta span{transform:translate(3px)}.creds__more{color:var(--text-faint);font-size:.72rem}.card:hover{border-color:var(--border-strong);background:linear-gradient(180deg, var(--surface-hover), var(--bg-soft));transform:translateY(-2px)}.card__head{grid-template-columns:auto 1fr auto;align-items:start;gap:.85rem;display:grid}.card__avatar{border:1px solid var(--border-strong);background:var(--accent-soft);width:3.5rem;height:3.5rem;color:var(--accent);border-radius:50%;flex-shrink:0;place-items:center;font-size:1.05rem;font-weight:650;display:grid;overflow:hidden}.card__avatar img{object-fit:cover;width:100%;height:100%;display:block}.card__identity{min-width:0}.card__identity h3{letter-spacing:-.01em;align-items:center;gap:.35rem;font-size:1.02rem;font-weight:640;line-height:1.3;display:flex}.card__identity h3 a{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.card__identity h3 a:hover{color:var(--accent)}.card__identity h3 a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}.badge--verified{background:var(--accent-soft);width:1.05rem;height:1.05rem;color:var(--accent);border-radius:50%;flex-shrink:0;place-items:center;font-size:.62rem;display:grid}.card__handle{color:var(--text-faint);text-overflow:ellipsis;white-space:nowrap;margin-top:.12rem;font-size:.82rem;overflow:hidden}.card__topics{flex-wrap:wrap;gap:.3rem;margin-top:.45rem;display:flex}.chip{text-overflow:ellipsis;white-space:nowrap;border-radius:999px;max-width:100%;padding:.14rem .5rem;font-size:.72rem;font-weight:550;line-height:1.5;display:inline-block;overflow:hidden}.chip--topic{background:var(--accent-soft);color:#c3b9ff}.chip--muted{color:var(--text-faint);background:#ffffff0d}.level{border:1px solid var(--border-strong);letter-spacing:.04em;color:var(--text-dim);border-radius:7px;padding:.14rem .42rem;font-size:.68rem;font-weight:650}.card__bio{color:var(--text-dim);-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;font-size:.845rem;line-height:1.55;display:-webkit-box;overflow:hidden}.stats{border-top:1px solid var(--border);grid-template-columns:repeat(3,1fr);gap:.5rem;margin-top:auto;padding-top:.75rem;display:grid}.stats dt{letter-spacing:.08em;text-transform:uppercase;color:var(--text-faint);font-size:.65rem}.stats dd{font-variant-numeric:tabular-nums;letter-spacing:-.01em;margin-top:.15rem;font-size:.95rem;font-weight:620}.stats__rating{color:var(--gold)}.stats__muted{color:var(--text-faint);font-size:.86rem;font-weight:500}.creds{flex-direction:column;gap:.3rem;padding:0;list-style:none;display:flex}.creds__item{color:var(--text-dim);align-items:baseline;gap:.4rem;min-width:0;font-size:.775rem;display:flex}.creds__label{letter-spacing:.05em;text-transform:uppercase;color:var(--text-faint);flex-shrink:0;font-size:.65rem}.creds__title{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.creds__item--award .creds__title{color:#d9c47f}.dot{background:#4ade80;border-radius:50%;flex-shrink:0;align-self:center;width:.4rem;height:.4rem}.backlink{color:var(--text-dim);align-self:flex-start;align-items:center;gap:.4rem;font-size:.85rem;transition:color .12s;display:inline-flex}.backlink:hover{color:var(--text)}.backlink:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}.profile{border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(160deg, var(--surface), var(--bg-soft));box-shadow:var(--shadow);flex-direction:column;gap:1.15rem;padding:1.4rem;display:flex}.profile__top{flex-wrap:wrap;align-items:flex-start;gap:1.1rem;display:flex}.profile__avatar{border:1px solid var(--border-strong);background:var(--accent-soft);width:5.25rem;height:5.25rem;color:var(--accent);border-radius:50%;flex-shrink:0;place-items:center;font-size:1.6rem;font-weight:700;display:grid;overflow:hidden}.profile__avatar img{object-fit:cover;width:100%;height:100%;display:block}.profile__identity{flex-direction:column;flex:18rem;gap:.4rem;min-width:0;display:flex}.profile__identity h1{letter-spacing:-.025em;font-size:clamp(1.5rem,3vw,2rem);line-height:1.15}.profile__handle{color:var(--text-faint);flex-wrap:wrap;align-items:center;gap:.5rem;font-size:.86rem;display:flex}.profile__bio{max-width:72ch;color:var(--text-dim);white-space:pre-line;font-size:.88rem;line-height:1.6}.btn{border:1px solid var(--border-strong);background:var(--surface-hover);color:var(--text);white-space:nowrap;border-radius:10px;padding:.55rem .95rem;font-size:.84rem;font-weight:600;transition:border-color .12s,color .12s}.btn:hover{border-color:var(--accent);color:#fff}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.stats--wide{grid-template-columns:repeat(auto-fit,minmax(6.5rem,1fr));margin-top:0;padding-top:1rem}.section{flex-direction:column;gap:.9rem;display:flex}.section__head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.section__head h2{letter-spacing:-.02em;align-items:center;gap:.5rem;font-size:1.25rem;display:flex}.section__count{background:var(--accent-soft);color:#c3b9ff;font-variant-numeric:tabular-nums;border-radius:999px;padding:.1rem .45rem;font-size:.76rem;font-weight:600}.section__meta{color:var(--text-faint);font-variant-numeric:tabular-nums;font-size:.8rem}.segmented{border:1px solid var(--border);background:var(--bg-soft);border-radius:10px;padding:.2rem;display:inline-flex}.segmented button{font:inherit;color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:.4rem .75rem;font-size:.8rem;font-weight:600;transition:background .12s,color .12s}.segmented button:hover{color:var(--text)}.segmented button[aria-pressed=true]{background:var(--surface-hover);color:var(--text)}.segmented button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.course-grid{grid-template-columns:repeat(auto-fill,minmax(18rem,1fr));gap:1rem;display:grid}.course{border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(180deg, var(--surface), var(--bg-soft));box-shadow:var(--shadow);flex-direction:column;transition:transform .16s,border-color .16s;display:flex;position:relative;overflow:hidden}.course:hover{border-color:var(--border-strong);transform:translateY(-2px)}.course__media{aspect-ratio:16/9;background:var(--bg);display:block;position:relative;overflow:hidden}.course__media img{object-fit:cover;width:100%;height:100%;display:block}.course__ph{height:100%;color:var(--accent);background:var(--accent-soft);place-items:center;font-size:2.2rem;font-weight:700;display:grid}.pill{letter-spacing:.07em;text-transform:uppercase;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:999px;padding:.18rem .55rem;font-size:.64rem;font-weight:700;position:absolute;top:.6rem;left:.6rem}.pill--ended{color:var(--text-dim);background:#0b0d12cc}.pill--ongoing{color:#8ef0b0;background:#4ade802e}.pill--upcoming{color:#c9c1ff;background:#8b7cff38}.pill--unknown{color:var(--text-faint);background:#0b0d12cc}.course__body{flex-direction:column;flex:1;gap:.55rem;padding:.9rem;display:flex}.course__body h3{letter-spacing:-.01em;font-size:.94rem;font-weight:620;line-height:1.35}.course__body h3 a{-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.course__body h3 a:hover{color:var(--accent)}.course__body h3 a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.course__topics{flex-wrap:wrap;gap:.3rem;display:flex}.course__meta{border-top:1px solid var(--border);grid-template-columns:repeat(3,1fr);gap:.5rem;margin-top:auto;padding-top:.6rem;display:grid}.course__meta dt{letter-spacing:.08em;text-transform:uppercase;color:var(--text-faint);font-size:.62rem}.course__meta dd{font-variant-numeric:tabular-nums;margin-top:.12rem;font-size:.9rem;font-weight:620}.course__meta dd.course__lang{color:var(--text-dim);text-overflow:ellipsis;white-space:nowrap;font-size:.78rem;font-weight:500;overflow:hidden}.course__foot{color:var(--text-faint);flex-direction:column;gap:.15rem;font-size:.74rem;display:flex}.course__dates{font-variant-numeric:tabular-nums}.course__session{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.course--skeleton{gap:.7rem;padding:.9rem}.skeleton--thumb{aspect-ratio:16/9;border-radius:10px}.course__overlay{z-index:1;border-radius:inherit;position:absolute;inset:0}.course__overlay:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.profile--course{flex-direction:row;align-items:flex-start;gap:1.25rem}.profile__thumb{border:1px solid var(--border);background:var(--bg);border-radius:12px;flex-shrink:0;width:15rem;position:relative;overflow:hidden}.profile__thumb img{aspect-ratio:16/9;object-fit:cover;width:100%;display:block}.profile__body{flex-direction:column;flex:20rem;gap:1rem;min-width:0;display:flex}.profile__meta{font-variant-numeric:tabular-nums;color:var(--text-faint);flex-wrap:wrap;align-items:center;gap:.75rem;font-size:.82rem;display:flex}.btn--small{padding:.4rem .7rem;font-size:.78rem}.inline-link{color:var(--text);border-bottom:1px solid var(--border-strong);font-weight:600;transition:color .12s,border-color .12s}.inline-link:hover{color:var(--accent);border-color:var(--accent)}.week{flex-direction:column;gap:.5rem;display:flex}.week__head{letter-spacing:.09em;text-transform:uppercase;color:var(--text-faint);align-items:center;gap:.6rem;font-size:.76rem;font-weight:700;display:flex}.week__head:after{content:"";background:var(--border);flex:1;height:1px}.week__count{letter-spacing:.03em;background:#ffffff0d;border-radius:999px;padding:.1rem .4rem;font-size:.66rem;font-weight:600}.classlist{border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(180deg, var(--surface), var(--bg-soft));flex-direction:column;margin:0;padding:0;list-style:none;display:flex;overflow:hidden}.classrow{border-bottom:1px solid #ffffff0f;border-radius:8px;grid-template-columns:2.5rem 1fr auto;align-items:center;gap:1rem;padding:.85rem 1.1rem;transition:background .14s,transform .14s;display:grid}.classrow:last-child{border-bottom:none}.classrow:hover{background:#ffffff09}.classrow__num{font-variant-numeric:tabular-nums;color:#8c97ad;background:#ffffff0a;border:1px solid #ffffff14;border-radius:50%;justify-content:center;align-items:center;width:2rem;height:2rem;font-size:.76rem;font-weight:600;transition:all .14s;display:inline-flex}.classrow:hover .classrow__num{color:#fff;background:#8b7cff29;border-color:#8b7cff66}.classrow__main{min-width:0}.classrow__title{text-overflow:ellipsis;white-space:nowrap;color:var(--text);font-size:.92rem;font-weight:600;line-height:1.35;text-decoration:none;transition:color .12s;display:block;overflow:hidden}.classrow__title:hover{color:var(--accent)}.classrow__title:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.classrow__meta{font-variant-numeric:tabular-nums;color:var(--text-faint);flex-wrap:wrap;align-items:center;gap:.4rem;margin-top:.25rem;font-size:.74rem;display:flex}.classrow__dot{opacity:.4}.classrow__side{align-items:center;gap:.55rem;display:flex}.classrow__play-btn{color:#fff;cursor:pointer;white-space:nowrap;background:linear-gradient(135deg,#7c66ff 0%,#6347f5 100%);border:1px solid #ffffff38;border-radius:999px;justify-content:center;align-items:center;gap:.45rem;padding:.52rem 1.05rem;font-size:.82rem;font-weight:650;text-decoration:none;transition:transform .12s,box-shadow .12s,filter .12s;display:inline-flex;box-shadow:0 4px 14px -2px #6c5ce78c}.classrow__play-btn:hover{filter:brightness(1.08);color:#fff;transform:translateY(-1px)scale(1.02);box-shadow:0 6px 18px -2px #6c5ce7bf}.classrow__play-btn:active{transform:translateY(0)scale(.97)}.classrow__btn{color:#b7c0d3;cursor:pointer;white-space:nowrap;background:#ffffff0d;border:1px solid #ffffff1f;border-radius:999px;justify-content:center;align-items:center;gap:.35rem;padding:.42rem .8rem;font-size:.76rem;font-weight:600;text-decoration:none;transition:all .12s;display:inline-flex}.classrow__btn:hover{color:#fff;background:#ffffff1a;border-color:#ffffff40}.classrow__link{border:1px solid var(--border);color:var(--text-dim);border-radius:7px;padding:.2rem .45rem;font-size:.72rem;font-weight:600;transition:color .12s,border-color .12s}.classrow__link:hover{color:var(--text);border-color:var(--accent)}.tag{letter-spacing:.05em;text-transform:uppercase;white-space:nowrap;border-radius:999px;padding:.12rem .42rem;font-size:.63rem;font-weight:700}.tag--ended,.tag--unknown{color:var(--text-faint);background:#ffffff0d}.tag--live{color:#8ef0b0;background:#4ade8029}.tag--upcoming{color:#c9c1ff;background:#8b7cff2e}.tag--plus{color:var(--gold);letter-spacing:.06em;background:#f4c04f24}.tag--test{color:#93d7f8;letter-spacing:.06em;background:#38bdf824}.classrow--test .classrow__title{font-weight:600}.classrow--skeleton{grid-template-columns:1fr;gap:.4rem}.classrow--skeleton .skeleton{height:.6rem}.card--skeleton{pointer-events:none;gap:.7rem}.skeleton{background:linear-gradient(90deg,#ffffff0b 25%,#ffffff17 37%,#ffffff0b 63%) 0 0/400% 100%;border-radius:8px;animation:1.4s ease-in-out infinite shimmer}.skeleton--row{border-radius:50%;width:3.5rem;height:3.5rem}.skeleton--line{height:.7rem}.skeleton--short{width:55%}.skeleton--stats{height:2.6rem;margin-top:.6rem}@keyframes shimmer{0%{background-position:100% 0}to{background-position:0 0}}.progress{border:1px solid var(--border);background:var(--surface);font-variant-numeric:tabular-nums;color:var(--text-dim);border-radius:10px;align-items:center;gap:.7rem;padding:.5rem .85rem;font-size:.79rem;display:flex;overflow:hidden}.progress__bar{background:linear-gradient(90deg, transparent, var(--accent), transparent);background-size:200% 100%;border-radius:999px;flex-shrink:0;width:2.6rem;height:.3rem;animation:1.1s linear infinite slide}@keyframes slide{0%{background-position:200% 0}to{background-position:-200% 0}}.notice{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text-dim);padding:1rem 1.1rem;font-size:.9rem}.notice--error{color:#ffd4d4;background:#ff7a7a12;border-color:#ff7a7a59;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;display:flex}.notice button{font:inherit;color:var(--text);border:1px solid var(--border-strong);cursor:pointer;background:#ffffff14;border-radius:9px;padding:.45rem .9rem;font-size:.85rem;font-weight:600;transition:background .12s}.notice button:hover{background:#ffffff26}.link{font:inherit;color:var(--accent);cursor:pointer;text-underline-offset:2px;background:0 0;border:none;padding:0;text-decoration:underline}.pager{justify-content:space-between;align-items:center;gap:1rem;padding-top:.5rem;display:flex}.pager button{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border-strong);cursor:pointer;border-radius:10px;padding:.55rem 1rem;font-size:.86rem;font-weight:600;transition:background .12s,border-color .12s,opacity .12s}.pager button:hover:not(:disabled){background:var(--surface-hover);border-color:var(--accent)}.pager button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.pager button:disabled{opacity:.4;cursor:not-allowed}.pager p{font-variant-numeric:tabular-nums;color:var(--text-dim);font-size:.86rem}.pager strong{color:var(--text)}.foot{color:var(--text-faint);word-break:break-all;padding-top:.5rem;font-size:.76rem}.player-page{z-index:40;color:var(--text);background:#07080b;flex-direction:column;display:flex;position:fixed;inset:0;overflow:hidden}.player-page:fullscreen{background:#07080b}.player-page__stage{flex:1;justify-content:center;align-items:center;min-height:0;padding:.5rem;display:flex;position:relative}.player-page__frame{width:100%;aspect-ratio:var(--frame-ratio,1.7778);background:#000;border-radius:12px;max-width:100%;max-height:100%;position:relative;overflow:hidden;box-shadow:0 24px 60px -24px #000000e6}.player-page__video,.player__canvas,.player__board{width:100%;height:100%;position:absolute;inset:0}.player-page__video{object-fit:contain;background:#000}.player-page__pip{z-index:35;aspect-ratio:16/9;object-fit:cover;cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;background:#000;border:1px solid #ffffff38;border-radius:10px;width:clamp(120px,12vw,210px);height:auto;position:fixed;top:1.25rem;right:1.5rem;box-shadow:0 16px 36px -8px #000000e6,0 0 0 1px #0009}.player-page__pip:active{cursor:grabbing}.player__canvas,.player__board{pointer-events:none}.player__board{background:#2c3844}.player-page__error{z-index:3;text-align:center;color:var(--text-dim);background:#07080bdb;flex-direction:column;justify-content:center;align-items:center;gap:.55rem;padding:1.5rem;font-size:.9rem;display:flex;position:absolute;inset:0}.player-page__bar{display:none}.player-page__controls{z-index:25;pointer-events:none;opacity:1;visibility:visible;flex-direction:column;justify-content:space-between;padding:1rem 1.5rem;transition:opacity .22s,visibility .22s;display:flex;position:absolute;inset:0}.player-page__controls.is-hidden{opacity:0;visibility:hidden;pointer-events:none}.player-page__controls *{pointer-events:auto}.player-page__controls-top{background:0 0;justify-content:space-between;align-items:center;gap:1rem;width:100%;padding:.4rem .5rem;display:flex}.player-page__back{width:2.2rem;height:2.2rem;color:var(--text);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);cursor:pointer;background:#0e1117b8;border:1px solid #ffffff29;border-radius:8px;justify-content:center;align-items:center;font-size:1.1rem;transition:background .12s,border-color .12s,transform .1s;display:inline-flex;box-shadow:0 4px 12px #0006}.player-page__back:hover{border-color:var(--accent);color:#fff;background:#181c26e6}.player-page__back:active{transform:scale(.94)}.player-page__title{flex-direction:column;flex:1;min-width:0;padding-right:.5rem;display:flex}.player-page__title strong{white-space:nowrap;text-overflow:ellipsis;color:var(--text);text-shadow:0 1px 4px #000000d9,0 2px 8px #0009;font-size:.9rem;font-weight:600;overflow:hidden}.player-page__title span{color:#cdd5e5;white-space:nowrap;text-overflow:ellipsis;text-shadow:0 1px 3px #000c;margin-top:.12rem;font-size:.72rem;overflow:hidden}.player-page__controls-right{gap:.4rem;display:flex}.player-page__icon{width:2.2rem;height:2.2rem;color:var(--text);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);cursor:pointer;background:#0e1117b8;border:1px solid #ffffff29;border-radius:8px;justify-content:center;align-items:center;font-size:1rem;transition:background .12s,border-color .12s,color .12s,transform .1s;display:inline-flex;box-shadow:0 4px 12px #0006}.player-page__icon:hover{border-color:var(--accent);color:#fff;background:#181c26e6}.player-page__icon:active{transform:scale(.94)}.player-page__icon:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.player-page__controls-bottom{background:0 0;align-items:center;gap:.75rem;width:100%;padding:.4rem .5rem;display:flex}.player-page__actions-group{align-items:center;gap:.35rem;display:inline-flex}.player-page__action{width:2.4rem;height:2.4rem;color:var(--text);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);cursor:pointer;background:#0e1117b8;border:1px solid #ffffff29;border-radius:8px;justify-content:center;align-items:center;font-size:1.05rem;transition:background .12s,border-color .12s,color .12s,transform .1s;display:inline-flex;box-shadow:0 4px 12px #0006}.player-page__action:hover{border-color:var(--accent);color:#fff;background:#181c26e6}.player-page__action:active{transform:scale(.94)}.player-page__action:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.player-page__progress{flex:16rem;align-items:center;gap:.5rem;min-width:10rem;display:flex}.player-page__time{font-variant-numeric:tabular-nums;color:#cdd5e5;white-space:nowrap;text-shadow:0 1px 3px #000000d9;flex:none;font-size:.72rem}.player-page__range{accent-color:var(--accent);cursor:pointer;background:#ffffff4d;border:none;border-radius:2px;flex:1;height:4px;margin-top:6px}.player-page__range::-webkit-slider-thumb{background:var(--accent);cursor:pointer;border:none;border-radius:50%;width:10px;height:10px}.player-page__range::-moz-range-thumb{background:var(--accent);cursor:pointer;border:none;border-radius:50%;width:10px;height:10px}.player-page__range:focus{outline:none}.segmented.player-page__viewmode{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0e1117b8;border:1px solid #ffffff29;border-radius:20px;gap:.15rem;padding:.18rem;display:inline-flex;box-shadow:0 4px 12px #0006}.segmented.player-page__viewmode button{color:#b7c0d3;cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:16px;padding:.22rem .55rem;font-size:.68rem;font-weight:600;transition:background .12s,color .12s}.segmented.player-page__viewmode button:hover{color:var(--text);background:#ffffff1a}.segmented.player-page__viewmode button[aria-pressed=true]{background:var(--accent);color:#fff}.player-page__speed-anchor{align-items:center;display:inline-flex;position:relative}.player-page__speed-btn{width:2.4rem;height:2.4rem;color:var(--text);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);cursor:pointer;background:#0e1117b8;border:1px solid #ffffff29;border-radius:8px;justify-content:center;align-items:center;font-size:.8rem;font-weight:600;transition:background .12s,border-color .12s,transform .1s;display:inline-flex;box-shadow:0 4px 12px #0006}.player-page__speed-btn:hover{border-color:var(--accent);color:#fff;background:#181c26e6}.player-page__speed-btn:active{transform:scale(.94)}.player-page__speed-menu{z-index:30;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#0a0c11f2;border:1px solid #ffffff26;border-radius:10px;flex-direction:column;gap:.1rem;min-width:4.6rem;padding:.3rem;display:flex;position:absolute;top:calc(100% + .4rem);left:0;box-shadow:0 10px 30px -10px #000000e6}.player-page__speed-menu.menu--up{top:auto;bottom:calc(100% + .4rem);box-shadow:0 -10px 30px -10px #000000e6}.player-page__speed-item{color:#b7c0d3;text-align:left;cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:8px;width:100%;padding:.45rem .6rem;font-size:.8rem;font-weight:600;transition:background .12s,color .12s;display:block}.player-page__speed-item:hover{color:var(--text);background:#ffffff14}.player-page__speed-item.active{color:#fff;background:var(--accent)}.player-page__chip{z-index:25;color:var(--text-dim);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);pointer-events:auto;background:#0a0c11d1;border:1px solid #ffffff1f;border-radius:999px;align-items:center;gap:.6rem;padding:.45rem .7rem;font-size:.75rem;display:inline-flex;position:absolute;bottom:5.6rem;left:1.35rem}.player-page__chip button{font:inherit;color:var(--text);cursor:pointer;background:#ffffff1a;border:none;border-radius:999px;padding:.2rem .5rem;font-weight:600}@media (width<=640px){.app{width:min(1200px,100% - 1.75rem);padding-top:2rem}.summary{width:100%}.summary>div{flex:1;min-width:0}.toolbar__status{width:100%;margin-left:0}.grid,.course-grid{grid-template-columns:1fr}.profile{padding:1.1rem}.profile__avatar{width:4.25rem;height:4.25rem}.profile__top .btn{order:3}.profile--course{flex-direction:column}.profile__thumb{width:100%}.classrow{grid-template-columns:1.8rem 1fr;row-gap:.45rem}.classrow__side{grid-column:2}.player-page__controls{padding:.5rem .65rem}.player-page__controls-top{padding:.4rem .6rem}.player-page__controls-bottom{flex-wrap:wrap;gap:.45rem;padding:.6rem .75rem}.player-page__progress{flex:100%;order:-1;width:100%}.player-page__action{width:2.1rem;height:2.1rem;font-size:.95rem}}.top-nav{z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#0a0d14e0;border-bottom:1px solid #ffffff14;margin:-1.5rem -1.5rem 1.5rem;padding:.75rem 1.5rem;position:sticky;top:0}.top-nav__inner{justify-content:space-between;align-items:center;gap:1.5rem;max-width:1400px;margin:0 auto;display:flex}.top-nav__brand{letter-spacing:-.02em;color:#fff;align-items:center;gap:.5rem;font-size:1.15rem;font-weight:700;text-decoration:none;display:inline-flex}.top-nav__logo-dot{background:#00b4d8;border-radius:50%;width:10px;height:10px;box-shadow:0 0 10px #00b4d8}.top-nav__tabs{background:#ffffff0a;border:1px solid #ffffff14;border-radius:10px;align-items:center;gap:.4rem;padding:.25rem;display:flex}.top-nav__tab{color:#ffffffb3;border-radius:8px;align-items:center;padding:.45rem 1rem;font-size:.9rem;font-weight:500;text-decoration:none;transition:all .14s;display:inline-flex}.top-nav__tab:hover{color:#fff;background:#ffffff0f}.top-nav__tab--active{color:#fff;background:linear-gradient(135deg,#0096c7 0%,#0077b6 100%);box-shadow:0 2px 8px #0077b659}.tests-tabs{border-bottom:1px solid #ffffff14;align-items:center;gap:.75rem;margin-bottom:1.5rem;padding-bottom:.75rem;display:flex}.tests-tab-btn{color:#ffffffb3;cursor:pointer;background:#ffffff08;border:1px solid #ffffff1f;border-radius:8px;padding:.55rem 1.25rem;font-size:.95rem;font-weight:600;transition:all .14s}.tests-tab-btn:hover{color:#fff;background:#ffffff14;border-color:#fff3}.tests-tab-btn--active{color:#fff;background:linear-gradient(135deg,#0096c7 0%,#0077b6 100%);border-color:#00b4d8;box-shadow:0 4px 14px #00b4d847}.tests-toolbar{flex-wrap:wrap;gap:.75rem;margin-bottom:2rem;display:flex}.tests-loading{color:#ffffffb3;flex-direction:column;justify-content:center;align-items:center;gap:1rem;padding:4rem 1rem;display:flex}.tests-spinner{border:3px solid #00b4d833;border-top-color:#00b4d8;border-radius:50%;width:38px;height:38px;animation:.8s linear infinite tests-spin}@keyframes tests-spin{to{transform:rotate(360deg)}}.tests-grid{grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:1.25rem;display:grid}.series-card{background:#121620d9;border:1px solid #ffffff14;border-radius:14px;flex-direction:column;justify-content:space-between;gap:1rem;padding:1.4rem;transition:transform .16s,border-color .16s,box-shadow .16s;display:flex}.series-card:hover{border-color:#00b4d866;transform:translateY(-3px);box-shadow:0 8px 24px #0006}.series-card__header{flex-direction:column;gap:.6rem;display:flex}.series-card__badges{flex-wrap:wrap;gap:.4rem;display:flex}.series-badge{text-transform:uppercase;letter-spacing:.03em;border-radius:6px;padding:.2rem .6rem;font-size:.75rem;font-weight:600}.series-badge--tests{color:#00b4d8;background:#00b4d826;border:1px solid #00b4d84d}.series-badge--frequency{color:#c084fc;background:#a855f726;border:1px solid #a855f74d}.series-badge--enrolled{color:#4ade80;background:#22c55e1f;border:1px solid #22c55e40}.series-card__title{color:#fff;margin:0;font-size:1.15rem;font-weight:600;line-height:1.35}.series-card__description{color:#ffffffa6;margin:0;font-size:.88rem;line-height:1.5}.series-card__tags{flex-wrap:wrap;gap:.4rem;display:flex}.series-tag{color:#ffffffd9;background:#ffffff0f;border-radius:4px;padding:.2rem .6rem;font-size:.78rem}.series-card__footer{border-top:1px solid #ffffff0f;justify-content:space-between;align-items:center;gap:.75rem;margin-top:auto;padding-top:.9rem;display:flex}.series-card__meta{color:#ffffff80;flex-direction:column;gap:.2rem;font-size:.8rem;display:flex}.series-card__btn{color:#fff;white-space:nowrap;background:linear-gradient(135deg,#0096c7 0%,#0077b6 100%);border-radius:8px;align-items:center;gap:.4rem;padding:.45rem .95rem;font-size:.88rem;font-weight:600;text-decoration:none;transition:transform .12s,box-shadow .12s;display:inline-flex}.series-card__btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px #00b4d859}.series-card__title-link{color:inherit;text-decoration:none}.series-card__title-link:hover .series-card__title{color:#38bdf8}.series-card__actions{align-items:center;gap:.5rem;display:flex}.series-card__ext-btn{color:#fff9;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;text-decoration:none;transition:all .12s;display:inline-flex}.series-card__ext-btn:hover{color:#fff;background:#ffffff1a;border-color:#00b4d866}.series-badge--goal{color:#38bdf8;background:#0ea5e91f;border:1px solid #0ea5e940}.series-detail-header{background:#121620b3;border:1px solid #ffffff14;border-radius:16px;grid-template-columns:1fr 340px;gap:2rem;margin:1.5rem 0 2.5rem;padding:2rem;display:grid}.series-detail-header__main{flex-direction:column;gap:1.25rem;display:flex}.series-detail-badges{flex-wrap:wrap;gap:.5rem;display:flex}.series-detail-title{color:#fff;letter-spacing:-.02em;margin:0;font-size:2rem;font-weight:700;line-height:1.2}.series-detail-syllabus{flex-wrap:wrap;gap:.5rem;display:flex}.series-detail-desc{color:#ffffffc7;white-space:pre-line;font-size:.95rem;line-height:1.65}.series-detail-desc p{margin:0 0 .85rem}.series-schedule-box{background:#00b4d80d;border:1px solid #00b4d833;border-radius:10px;padding:1.2rem}.series-schedule-box h3{color:#38bdf8;text-transform:uppercase;letter-spacing:.04em;margin:0 0 .6rem;font-size:.92rem;font-weight:600}.series-schedule-box ul{color:#fffc;margin:0;padding-left:1.2rem;font-size:.9rem;line-height:1.6}.series-detail-sidebar{flex-direction:column;gap:1.25rem;display:flex}.series-detail-card{background:#0e1118e6;border:1px solid #ffffff1a;border-radius:12px;flex-direction:column;gap:1.2rem;padding:1.5rem;display:flex}.series-detail-card h3{color:#fff;margin:0;font-size:1.1rem;font-weight:600}.series-meta-dl{flex-direction:column;gap:.75rem;margin:0;display:flex}.series-meta-dl div{border-bottom:1px solid #ffffff0d;justify-content:space-between;align-items:center;padding-bottom:.5rem;font-size:.88rem;display:flex}.series-meta-dl dt{color:#ffffff80}.series-meta-dl dd{color:#fff;margin:0;font-weight:500}.series-detail-external-btn{color:#fff;background:linear-gradient(135deg,#0096c7 0%,#0077b6 100%);border-radius:8px;justify-content:center;align-items:center;gap:.5rem;width:100%;padding:.75rem 1rem;font-size:.92rem;font-weight:600;text-decoration:none;transition:all .13s;display:flex;box-shadow:0 4px 14px #00b4d84d}.series-detail-external-btn:hover{transform:translateY(-1px);box-shadow:0 6px 18px #00b4d873}.series-tests-section{flex-direction:column;gap:1.25rem;margin-top:2rem;display:flex}.series-tests-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.series-tests-header h2{color:#fff;margin:0;font-size:1.35rem;font-weight:700}.series-tests-header__search input{color:#fff;background:#0e1118cc;border:1px solid #ffffff1f;border-radius:8px;width:260px;padding:.5rem 1rem;font-size:.9rem}.series-tests-header__search input:focus{border-color:#00b4d8;outline:none;box-shadow:0 0 0 2px #00b4d833}@media (width<=900px){.series-detail-header{grid-template-columns:1fr;padding:1.5rem}}.quizzes-list{flex-direction:column;gap:.85rem;display:flex}.quiz-row{background:#121620cc;border:1px solid #ffffff14;border-radius:12px;align-items:center;gap:1.25rem;padding:1rem 1.25rem;transition:all .14s;display:flex}.quiz-row:hover{background:#181d2ae6;border-color:#00b4d859;box-shadow:0 4px 16px #0000004d}.quiz-row__rank{color:#fff9;background:#ffffff0d;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:.95rem;font-weight:700;display:flex}.quiz-row__main{flex-direction:column;flex:1;gap:.35rem;min-width:0;display:flex}.quiz-row__tags{flex-wrap:wrap;align-items:center;gap:.4rem;display:flex}.quiz-badge{letter-spacing:.02em;border-radius:4px;padding:.15rem .5rem;font-size:.72rem;font-weight:600}.quiz-badge--live{color:#f87171;background:#ef444433;border:1px solid #ef444466}.quiz-badge--upcoming{color:#38bdf8;background:#00b4d82e;border:1px solid #00b4d859}.quiz-badge--past{color:#94a3b8;background:#94a3b824;border:1px solid #94a3b840}.quiz-badge--special{color:#4ade80;background:#22c55e26;border:1px solid #22c55e4d}.quiz-badge--info{color:#ffffffbf;background:#ffffff0d}.quiz-row__title{color:#fff;margin:0;font-size:1.05rem;font-weight:600;line-height:1.3}.quiz-row__programme{color:#ffffff8c;margin:0;font-size:.85rem}.quiz-row__programme strong{color:#ffffffd9}.quiz-row__time{color:#38bdf8;align-items:center;gap:.4rem;margin-top:.1rem;font-size:.82rem;display:inline-flex}.quiz-row__action{flex-shrink:0}.quiz-row__btn{color:#fff;white-space:nowrap;background:linear-gradient(135deg,#0096c7 0%,#0077b6 100%);border-radius:8px;align-items:center;gap:.4rem;padding:.55rem 1.15rem;font-size:.88rem;font-weight:600;text-decoration:none;transition:all .13s;display:inline-flex;box-shadow:0 2px 8px #0077b640}.quiz-row__btn:hover{transform:translateY(-1px);box-shadow:0 4px 14px #00b4d866}.quiz-row__title-link{color:inherit;text-decoration:none}.quiz-row__title-link:hover .quiz-row__title{color:#38bdf8}.quiz-row__actions{align-items:center;gap:.5rem;display:flex}.quiz-row__ext-btn{color:#fff9;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;text-decoration:none;transition:all .12s;display:inline-flex}.quiz-row__ext-btn:hover{color:#fff;background:#ffffff1a;border-color:#00b4d866}.quiz-row--selected{border-color:#00b4d8;box-shadow:0 0 20px #00b4d840;background:#00b4d814!important}.quiz-badge--selected-pill{color:#0a0d14;background:#00b4d8;font-weight:700}.selected-test-banner{background:linear-gradient(135deg,#0096c72e 0%,#121620f2 100%);border:1.5px solid #00b4d8;border-radius:14px;flex-direction:column;gap:1rem;margin-bottom:2rem;padding:1.5rem;display:flex;box-shadow:0 8px 32px #00b4d838}.selected-test-banner__top{flex-wrap:wrap;align-items:center;gap:.6rem;display:flex}.selected-test-pill{text-transform:uppercase;letter-spacing:.04em;color:#0a0d14;background:#00b4d8;border-radius:6px;align-items:center;gap:.45rem;padding:.25rem .75rem;font-size:.8rem;font-weight:700;display:inline-flex}.selected-test-dot{background:#0a0d14;border-radius:50%;width:8px;height:8px}.selected-test-banner__title{color:#fff;margin:0;font-size:1.5rem;font-weight:700;line-height:1.25}.selected-test-banner__meta{flex-wrap:wrap;align-items:center;gap:.6rem;display:flex}.selected-test-time{color:#38bdf8;align-items:center;gap:.4rem;font-size:.85rem;font-weight:500;display:inline-flex}.selected-test-btn{color:#fff;background:linear-gradient(135deg,#0096c7 0%,#0077b6 100%);border-radius:8px;align-items:center;gap:.5rem;padding:.65rem 1.35rem;font-size:.95rem;font-weight:700;text-decoration:none;transition:all .13s;display:inline-flex;box-shadow:0 4px 14px #00b4d866}.selected-test-btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px #00b4d88c}@media (width<=768px){.top-nav{margin:-1rem -1rem 1rem;padding:.6rem 1rem}.tests-grid{grid-template-columns:1fr}.quiz-row{flex-direction:column;align-items:flex-start;gap:.85rem}.quiz-row__action{width:100%}.quiz-row__btn{justify-content:center;width:100%}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}