:root{--bg:#1b1a19;--paper-tex:url(/washi-dark.jpg);--surface:#292724;--surface-2:#302e2b;--ink:#ece6da;--muted:#b3ada2;--faint:#9c968b;--line:#3e3a35;--line-soft:#34312d;--veil:#1b1a1959;--vermilion:#c4463a;--seal:#b23a30;--seal-ink:#f3e9dd;--phrase:#ece6da11;--header-bg:#1a1918d6;--focus:#e9a99f;--font:var(--font-rubik), "Rubik", "Arial Hebrew", system-ui, sans-serif;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}:root[data-theme=light]{--bg:#ece6d8;--paper-tex:url(/washi-light.jpg);--surface:#f6f1e7;--surface-2:#efe8db;--ink:#24211e;--muted:#544e46;--faint:#6a6257;--line:#cfc6b4;--line-soft:#ddd5c6;--veil:#ece6d81a;--vermilion:#b23a30;--seal:#b23a30;--phrase:#24211e0f;--header-bg:#ece6d8db;--focus:#b23a30;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:88px;overflow-x:clip}body{background:linear-gradient(var(--veil), var(--veil)) no-repeat, var(--bg) var(--paper-tex) repeat;min-height:100dvh;color:var(--ink);font-family:var(--font);background-size:100% 100%,512px;margin:0;font-size:17px;line-height:1.7;position:relative;overflow-x:clip}body:has(.hero){background-image:linear-gradient(transparent 0, transparent 720px, var(--veil) 980px), var(--paper-tex);background-repeat:no-repeat,repeat;background-size:100% 100%,512px}body:has(.auth-frame){background-image:var(--paper-tex);background-repeat:repeat;background-size:512px}a{color:inherit}button,input,select,textarea{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:4px}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.wrap{max-width:1160px;padding-inline:max(20px, env(safe-area-inset-left)) max(20px, env(safe-area-inset-right));margin:0 auto}@media (min-width:900px){.wrap{max-width:1120px;padding-inline:clamp(56px,6vw,96px)}.site-header .wrap{max-width:1440px;padding-inline:32px}}.en{unicode-bidi:isolate}.enso{background:var(--vermilion);display:block;-webkit-mask:url(/enso.png) 50%/contain no-repeat;mask:url(/enso.png) 50%/contain no-repeat}@media (prefers-reduced-motion:no-preference){.enso.breathe{animation:11s ease-in-out infinite alternate breathe}@keyframes breathe{0%{opacity:.86;transform:scale(.965)}to{opacity:1;transform:scale(1.015)}}}.seal{background:var(--seal);color:var(--seal-ink);font-family:var(--font-seal), serif;box-shadow:inset 0 0 0 2px var(--seal), inset 0 0 0 3.5px #f3e9ddbf;writing-mode:vertical-rl;letter-spacing:.05em;border-radius:3px;place-items:center;font-weight:700;line-height:1;display:inline-grid;transform:rotate(-2deg)}.phrase{inset-inline-end:max(8px,1.6vw);width:clamp(120px,18vw,250px);font-size:clamp(110px,17vw,236px);line-height:1;font-family:var(--font-brush), serif;color:var(--phrase);pointer-events:none;-webkit-user-select:none;user-select:none;z-index:0;flex-direction:column;justify-content:space-between;align-items:center;display:flex;position:absolute;top:110px;bottom:420px}.site-main{z-index:1;position:relative}.site-header{z-index:20;background:var(--header-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line-soft);position:sticky;top:0}.site-header .bar{grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;height:68px;display:grid}.brand{justify-self:start;align-items:center;gap:12px;text-decoration:none;display:inline-flex}.brand .enso{width:30px;height:30px}.brand .brand-word{font-family:var(--font-brush), "Shippori Mincho", serif;letter-spacing:.04em;color:var(--ink);direction:ltr;align-items:baseline;font-size:28px;font-weight:400;line-height:1;display:inline-flex;transform:translateY(-.12em)}.brand .brand-word .enso{width:.62em;height:.62em;margin-inline:.02em .06em;display:inline-block;transform:translateY(.03em)}.brand>span:not(.brand-word){letter-spacing:.01em;white-space:nowrap;font-size:18.5px;font-weight:500}.main-nav{gap:30px;display:none}.main-nav a{color:var(--muted);border-bottom:1px solid #0000;padding:6px 0;font-size:15px;text-decoration:none;transition:color .15s,border-color .15s}.main-nav a:hover,.main-nav a:focus-visible{color:var(--ink);border-bottom-color:color-mix(in srgb, var(--ink) 35%, transparent)}@media (prefers-reduced-motion:reduce){.main-nav a{transition:none}}.main-nav a[aria-current=page]{color:var(--ink);border-bottom-color:var(--ink)}.header-tools{justify-self:end;align-items:center;gap:4px;display:flex}.icon-btn{width:44px;height:44px;color:var(--ink);cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;display:inline-grid}.icon-btn:hover{background:var(--surface)}.icon-btn svg{width:21px;height:21px}.theme-btn .ico-sun{display:none}:root[data-theme=light] .theme-btn .ico-sun{display:block}:root[data-theme=light] .theme-btn .ico-moon{display:none}@media (min-width:900px){.main-nav{display:flex}.site-header .bar{height:74px}}.drawer-backdrop{z-index:40;background:#0a090880;position:fixed;inset:0}.drawer{top:0;bottom:0;z-index:41;background:var(--bg) var(--paper-tex) repeat;border-inline-end:1px solid var(--line);background-size:512px;flex-direction:column;width:min(340px,88vw);display:flex;position:fixed;inset-inline-start:0}@media (prefers-reduced-motion:no-preference){.drawer{animation:.22s ease-out slide-in}@keyframes slide-in{0%{opacity:0;transform:translate(24px)}to{opacity:1;transform:none}}}.drawer-head{border-bottom:1px solid var(--line-soft);justify-content:space-between;align-items:center;height:64px;padding:0 16px 0 8px;display:flex}.drawer-body{flex:1;padding:8px 16px 20px;overflow:auto}.drawer-body h2{margin:18px 0 2px;font-size:16px;font-weight:500;line-height:1.35}.drawer-body .yl{color:var(--faint);margin:12px 0 2px;font-size:12.5px}.drawer-link{border-radius:8px;align-items:center;gap:12px;min-height:44px;margin:0 -8px;padding:2px 8px;font-size:15.5px;text-decoration:none;display:flex}.drawer-link:hover{background:var(--surface)}.drawer-link[aria-current=page]{background:var(--surface);font-weight:500}.drawer-link .dot{border-radius:50%;flex:none;width:7px;height:7px}.drawer-foot{border-top:1px solid var(--line-soft);padding:14px 16px 20px}.seg{border:1px solid var(--line);border-radius:12px;grid-template-columns:repeat(3,1fr);gap:3px;padding:3px;display:grid}.seg button{height:38px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:9px;font-size:14px}.seg button[aria-pressed=true]{background:var(--ink);color:var(--bg)}.tabbar{inset-inline:12px;bottom:max(12px, env(safe-area-inset-bottom));z-index:30;background:var(--header-bg);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:22px;justify-content:space-around;align-items:stretch;height:64px;display:flex;position:fixed}.tabbar a{color:var(--muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;font-size:11.5px;text-decoration:none;display:flex}.tabbar a[aria-current=page]{color:var(--ink)}.tabbar svg,.tabbar .enso{width:22px;height:22px}.tabbar a[aria-current=page] .enso{background:var(--vermilion)}.tabbar a:not([aria-current=page]) .enso{background:currentColor}@media (min-width:900px){.tabbar{display:none}}body{padding-bottom:96px}@media (min-width:900px){body{padding-bottom:0}}.site-footer{z-index:1;border-top:1px solid var(--line-soft);background:#08080766;margin-top:40px;position:relative}:root[data-theme=light] .site-footer{background:#ffffff47}.site-footer .cols{grid-template-columns:1fr 1fr;gap:28px;padding-block:52px 8px;display:grid}.site-footer .about{grid-column:1/-1}@media (min-width:900px){.site-footer .cols{grid-template-columns:1.3fr repeat(5,1fr);gap:32px}.site-footer .about{grid-column:auto}}.site-footer .about p{color:var(--faint);max-width:34ch;margin:12px 0 0;font-size:14.5px}.site-footer h4{color:var(--faint);margin:0 0 10px;font-size:13px;font-weight:500}.site-footer .cols a{color:var(--muted);align-items:center;gap:10px;padding:4px 0;font-size:15px;text-decoration:none;display:flex}.site-footer .cols a:hover{color:var(--ink)}.site-footer .dot{border-radius:50%;flex:none;width:6px;height:6px}.site-footer .fine{border-top:1px solid var(--line-soft);color:var(--faint);gap:6px;margin-top:36px;padding-block:18px 28px;font-size:13px;display:grid}.dot{border-radius:50%;flex:none;width:8px;height:8px;display:inline-block}.chip-link{border:1px solid var(--line);color:var(--ink);border-radius:999px;align-items:center;gap:8px;padding:6px 15px;font-size:14.5px;text-decoration:none;display:inline-flex}.chip-link:hover{border-color:var(--muted)}.chip-link small{color:var(--faint);font-size:12.5px}.pill-search{border:1px solid var(--line);background:color-mix(in srgb, var(--bg) 70%, transparent);border-radius:999px;align-items:center;gap:12px;min-width:0;height:58px;padding:0 20px;display:flex}.pill-search:focus-within{border-color:var(--muted)}.pill-search svg{width:20px;height:20px;color:var(--muted);flex:none}.pill-search input{min-width:0;color:var(--ink);background:0 0;border:0;outline:0;flex:1;font-size:17px}.pill-search input::placeholder{color:var(--faint)}.side-label{color:var(--muted);font-size:14px;line-height:1.5}.side-label b{color:var(--ink);font-size:17px;font-weight:400;display:block}.grid-side{gap:4px 32px;display:grid}@media (min-width:900px){.grid-side{grid-template-columns:150px minmax(0,1fr)}}.page-title{letter-spacing:-.015em;margin:0;font-size:clamp(34px,6vw,56px);font-weight:300;line-height:1.08}.lede{color:var(--muted);max-width:44ch;margin:18px 0 0;font-size:clamp(16px,1.6vw,19px)}.empty-note{color:var(--muted);padding:28px 0}.hero{grid-template-columns:minmax(0,1fr);align-items:center;gap:8px;padding-block:44px 40px;display:grid}.hero h1{letter-spacing:-.02em;max-width:12em;margin:0;font-size:clamp(40px,6.2vw,64px);font-weight:300;line-height:1.08}.hero form{max-width:560px;margin-top:32px}.hero .art{order:-1;place-items:center;height:230px;display:grid;position:relative}.hero .art .enso{width:220px;height:220px}.hero .art .seal{width:36px;height:36px;font-size:14px;position:absolute;bottom:0;left:calc(50% - 124px)}@media (min-width:900px){.hero{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:40px;padding-block:84px 100px}.hero .art{order:0;height:460px}.hero .art .enso{width:440px;height:440px}.hero .art .seal{width:50px;height:50px;font-size:19px;bottom:22px;left:calc(50% - 232px)}}.home-section{padding-block:28px}@media (min-width:900px){.home-section{padding-block:36px}}.favs{gap:0 32px;display:grid}@media (min-width:900px){.favs{grid-template-columns:repeat(3,minmax(0,1fr))}}.fav-row{border-top:1px solid var(--line);grid-template-columns:8px minmax(0,1fr);align-items:baseline;gap:14px;padding:14px 0;text-decoration:none;display:grid}.fav-row .dot{width:7px;height:7px;transform:translateY(-3px)}.fav-row b{font-size:17px;font-weight:400;line-height:1.4;display:block}.fav-row span span{color:var(--muted);font-size:13.5px}.course-row{border-top:1px solid var(--line);grid-template-columns:8px minmax(0,1fr);align-items:baseline;gap:0 18px;padding:20px 0;text-decoration:none;display:grid}.course-row:last-child{border-bottom:1px solid var(--line)}.course-row .dot{transform:translateY(-5px)}.course-row h3{margin:0;font-size:clamp(23px,2.6vw,32px);font-weight:300;line-height:1.2}.course-row p{color:var(--muted);margin:5px 0 0;font-size:14.5px}.course-row .n{color:var(--muted);text-align:center;white-space:nowrap;gap:26px;font-size:13.5px;display:none}.course-row .n b{color:var(--ink);font-size:24px;font-weight:300;line-height:1.1;display:block}.course-row:hover h3{color:#fff}:root[data-theme=light] .course-row:hover h3{color:#000}@media (max-width:899px){.course-row .n{text-align:start;grid-column:2;gap:16px;margin-top:8px;font-size:13px;display:flex}.course-row .n b{margin-inline-end:4px;font-size:15px;font-weight:400;display:inline}}@media (min-width:900px){.course-row{grid-template-columns:8px minmax(0,1fr) auto;gap:0 22px;padding:24px 0}.course-row .n{display:flex}}.year-block+.year-block{margin-top:28px}.span-tag{color:var(--faint);border:1px solid var(--line);vertical-align:4px;border-radius:6px;margin-inline-start:10px;padding:0 7px;font-size:12.5px;font-weight:400}.search-page{padding-block:36px 40px}.search-page>.page-title{margin-bottom:22px}.narrow-page{max-width:860px}.search-page .pill-search{max-width:720px}.search-filters{gap:12px;margin:18px 0 6px;display:grid}.search-filters .frow{gap:6px;display:grid}.search-filters .lbl{color:var(--faint);font-size:13px;font-weight:500}.search-filters .chips{flex-wrap:wrap;gap:6px;display:flex}.search-filters .chip,.search-page a.chip{white-space:nowrap;border:1px solid var(--line);color:var(--ink);border-radius:999px;padding:5px 13px;font-size:14px;line-height:1.6;text-decoration:none}.search-filters .chip[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:var(--bg)}.search-count{color:var(--muted);margin:16px 0 0;font-size:14.5px}.search-group,.fav-group{max-width:860px;margin-top:30px}.search-group h2,.fav-group h2{align-items:center;gap:10px;margin:0 0 10px;font-size:19px;font-weight:400;display:flex}.search-group h2 a,.fav-group h2 a{text-decoration:none}.search-group h2 a:hover,.fav-group h2 a:hover{text-decoration:underline}.search-group h2 .n{color:var(--faint);margin-inline-start:auto;font-size:13.5px}.search-group .list{gap:10px;display:grid}.search-group .also{gap:2px;margin:12px 0 0;padding:0;list-style:none;display:grid}.search-group .also a{color:var(--muted);border-top:1px solid var(--line-soft);padding:6px 0;font-size:15px;text-decoration:none;display:block}.search-group .also a:hover{color:var(--ink)}.fav-item{border-top:1px solid var(--line);grid-template-columns:minmax(0,1fr) 44px;align-items:center;gap:6px;padding:10px 0;display:grid}.fav-item a{text-decoration:none}.fav-item b{font-size:17px;font-weight:400;line-height:1.4;display:block}.fav-item span{color:var(--muted);margin-top:2px;font-size:14px;line-height:1.5;display:block}.fav-item .star{color:var(--accent);cursor:pointer;background:0 0;border:0;width:44px;height:44px;font-size:20px}.fav-empty{justify-items:start;gap:14px;max-width:520px;margin-top:30px;display:grid}.fav-empty .enso{opacity:.8;width:90px;height:90px}.fav-empty p{color:var(--muted);margin:0}.fav-empty b{color:var(--ink);font-weight:500}.soon{border:1px dashed var(--line);border-radius:16px;align-items:flex-start;gap:16px;margin-top:30px;padding:20px;display:flex}.note-box{background:color-mix(in srgb, var(--vermilion) 12%, transparent);color:var(--ink);border-radius:12px;margin-top:16px;padding:14px 16px;font-size:15px}.drawer-link .ico{width:20px;height:20px;color:var(--muted)}.year-empty{border-top:1px dashed var(--line);color:var(--muted);margin:20px 0 0;padding-top:18px;font-size:15.5px}.course-row.upcoming h3,.course-row.upcoming:hover h3{color:var(--muted)}.main-nav{align-items:center}.nav-sep{background:radial-gradient(ellipse at 42% 40%, var(--vermilion) 55%, color-mix(in srgb, var(--vermilion) 70%, transparent) 75%, transparent 78%);opacity:.9;border-radius:58% 42% 55% 45%/52% 60% 40% 48%;width:7px;height:6px;margin-inline:4px;transform:rotate(-12deg)}.account{position:relative}.avatar{border:1px solid var(--line);width:36px;height:36px;color:var(--ink);cursor:pointer;background:0 0;border-radius:50%;margin-inline-start:4px;font-size:14px;font-weight:500}.avatar:hover{border-color:var(--muted)}.account-menu{inset-inline-end:0;z-index:30;background:var(--raised,var(--surface));border:1px solid var(--line);border-radius:14px;min-width:220px;padding:6px;position:absolute;top:calc(100% + 8px);box-shadow:0 18px 40px -20px #0009}.account-menu .who{color:var(--faint);border-bottom:1px solid var(--line-soft);text-align:right;text-overflow:ellipsis;margin:0;padding:8px 10px 10px;font-size:13px;overflow:hidden}.account-menu a,.account-menu button{text-align:start;width:100%;color:var(--ink);cursor:pointer;background:0 0;border:0;border-radius:9px;padding:9px 10px;font-size:15px;text-decoration:none;display:block}.account-menu a:hover,.account-menu button:hover{background:var(--surface-2)}.drawer-account{justify-content:space-between;align-items:center;margin-top:12px;font-size:15px;display:flex}.drawer-account button{color:var(--ink);cursor:pointer;background:0 0;border:0;padding:8px 0;font-weight:500}body:has(.auth-frame){padding-bottom:0}:is(html:has(.auth-frame),body:has(.auth-frame)){overscroll-behavior:none;height:100%;overflow:hidden}.auth-frame{z-index:1;flex-direction:column;height:100dvh;min-height:560px;display:flex;position:relative;overflow:clip}.auth-top{flex:none;justify-content:space-between;align-items:center;width:100%;height:60px;display:flex}.auth-main{flex:1;place-items:center;min-height:0;padding:0 20px 20px;display:grid}.auth-card{width:min(400px,100%);position:relative}.auth-card .enso.bg{inset-inline-end:-230px;opacity:.09;z-index:-1;pointer-events:none;width:420px;height:420px;position:absolute;top:-150px}.auth-card h1{margin:0;font-size:clamp(34px,6vw,44px);font-weight:300;line-height:1.1}.auth-card .sub{color:var(--muted);margin:8px 0 0;font-size:15.5px;line-height:1.55}.auth-form{gap:12px;margin-top:16px;display:grid}.field{gap:5px;display:grid}.field label{font-size:14px;font-weight:500}.field .row{justify-content:space-between;align-items:baseline;display:flex}.field .row a{color:var(--muted);font-size:13.5px}.field input,.field select,.field textarea{border:1px solid var(--line);background:color-mix(in srgb, var(--bg) 60%, transparent);height:46px;color:var(--ink);border-radius:12px;padding:0 14px;font-size:16px}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--muted);outline:none}.btn{background:var(--ink);height:46px;color:var(--bg);cursor:pointer;border:0;border-radius:999px;margin-top:4px;padding:0 22px;font-size:16px;font-weight:500}.btn:hover{opacity:.92}.btn[disabled]{opacity:.5;cursor:default}.btn.ghost{color:var(--ink);border:1px solid var(--line);background:0 0;margin-top:0}.btn-google{border:1px solid var(--line);border-radius:999px;justify-content:center;align-items:center;gap:10px;height:48px;margin-top:20px;font-weight:500;text-decoration:none;display:flex}.btn-google:hover{border-color:var(--muted)}.btn-google[aria-busy=true]{opacity:.6;pointer-events:none}.divider{color:var(--faint);align-items:center;gap:12px;margin-top:14px;font-size:13px;display:flex}.divider:before,.divider:after{content:"";background:var(--line);flex:1;height:1px}.alert{border-radius:12px;padding:10px 14px;font-size:14.5px;line-height:1.5}.alert.err{background:color-mix(in srgb, var(--vermilion) 16%, transparent)}.alert.ok{background:#6fae8a2e}.auth-foot{color:var(--faint);margin:16px 0 0;font-size:13.5px;line-height:1.55}.invite,.user{border:1px solid var(--line);background:color-mix(in srgb, var(--surface) 70%, transparent);border-radius:18px;gap:14px;max-width:760px;margin-top:26px;padding:20px;display:grid}.invite h2,.users h2{margin:0;font-size:19px;font-weight:400}.users{margin-top:40px}.users .user{margin-top:14px}.user header{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:6px 16px;display:flex}.user header b{font-weight:500}.user .you,.user .state{border:1px solid var(--line);color:var(--muted);border-radius:999px;margin-inline-start:10px;padding:1px 9px;font-size:12.5px}.user .state.pending{background:color-mix(in srgb, var(--vermilion) 18%, transparent);color:var(--ink);border-color:#0000}.user .seen{color:var(--faint);font-size:13.5px}.user-edit{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.user-edit select{border:1px solid var(--line);height:40px;color:var(--ink);background:0 0;border-radius:10px;padding:0 10px}.user-edit .btn{height:40px}.prog-boxes{flex-wrap:wrap;gap:8px 18px;display:flex}.prog-boxes label{align-items:center;gap:8px;font-size:15px;display:inline-flex}.prog-boxes input{width:18px;height:18px;accent-color:var(--vermilion)}fieldset.field{border:0;margin:0;padding:0}fieldset.field legend{margin-bottom:6px;font-size:14.5px;font-weight:500}.user-actions{gap:18px;display:flex}.user-actions button{color:var(--muted);cursor:pointer;background:0 0;border:0;padding:0;font-size:14.5px;text-decoration:underline}.user-actions .danger{color:var(--vermilion)}.field textarea{resize:vertical;height:auto;padding:12px 14px;font-family:inherit;line-height:1.6}.presence-dot{border:1.5px solid var(--faint);vertical-align:1px;background:0 0;border-radius:50%;width:9px;height:9px;margin-inline-end:10px;display:inline-block}.presence-dot.on{background:#4fbf7f;border-color:#4fbf7f;box-shadow:0 0 0 3px #4fbf7f40}.case-form{gap:16px;margin-top:24px;display:grid}.case-form .field textarea{min-height:120px}.case-topics{flex-wrap:wrap;gap:6px;display:flex}.case-topics .chip{border:1px solid var(--line);color:var(--ink);cursor:pointer;background:0 0;border-radius:999px;padding:5px 13px;font-size:14px}.case-topics .chip[aria-pressed=true]{background:var(--vermilion);border-color:var(--vermilion);color:#fff}.case-topics .chip.more{color:var(--muted);border-style:dashed}.case-actions{gap:10px;display:flex}.case-actions .btn{padding:0 26px}.case-results{border-top:1px solid var(--line);margin-top:36px;padding-top:8px;scroll-margin-top:90px}.case-group{margin-top:26px}.case-group h2{margin:0 0 6px;font-size:19px;font-weight:400}.case-row{border-top:1px solid var(--line-soft);grid-template-columns:8px minmax(0,1fr);align-items:baseline;gap:14px;padding:12px 0;text-decoration:none;display:grid}.case-row .dot{width:7px;height:7px;transform:translateY(-3px)}.case-row b{font-size:17px;font-weight:400;line-height:1.4;display:block}.case-row:hover b{text-decoration:underline;-webkit-text-decoration-color:var(--line);text-decoration-color:var(--line);text-underline-offset:4px}.case-row .aim{color:var(--muted);margin-top:2px;font-size:14.5px;line-height:1.5;display:block}.case-row .meta{color:var(--faint);align-items:center;gap:10px;margin-top:4px;font-size:13px;display:flex}.case-row .kind{border:1px solid var(--line);border-radius:999px;padding:0 8px}.case-foot{color:var(--faint);margin-top:22px;font-size:13.5px}.guide-cta{border:1px dashed var(--line);color:var(--muted);border-radius:16px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;margin-top:22px;padding:16px 18px;font-size:15px;display:flex}.guide-cta b{color:var(--ink);font-weight:500}.guide{margin-top:22px;padding:4px 0 0}.guide h2{margin:26px 0 8px;font-size:19px;font-weight:400}.guide-badge{color:var(--vermilion);border:1px solid color-mix(in srgb, var(--vermilion) 50%, transparent);border-radius:999px;margin:0;padding:2px 12px;font-size:12.5px;display:inline-block}.guide-text{max-width:70ch;margin:0;font-size:16.5px;line-height:1.75}.guide-questions{gap:8px;max-width:70ch;margin:0;padding-inline-start:22px;font-size:16px;display:grid}.not-class{color:var(--faint);border:1px solid var(--line);vertical-align:3px;border-radius:999px;margin-inline-start:8px;padding:1px 9px;font-size:12.5px}.guide-all{border-top:1px solid var(--line);padding-top:18px;margin-top:40px!important}.ai-box{align-items:center;gap:8px;font-size:15px;display:inline-flex}.ai-box input{width:18px;height:18px;accent-color:var(--vermilion)}.guide-cta.offer{border-style:solid;border-color:color-mix(in srgb, var(--vermilion) 45%, transparent)}.ai-row{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px 18px;font-size:14.5px;display:flex}.ai-row button{color:var(--ink);cursor:pointer;background:0 0;border:0;padding:0;font-size:14.5px;text-decoration:underline}.ai-row .danger{color:var(--vermilion)}.trial-note{color:var(--vermilion);margin-top:6px;font-size:13.5px;display:block}.field-hint{color:var(--faint);font-size:13px}.req{color:var(--vermilion)}.tex-pg{inset-inline-start:14px;z-index:60;font-size:14px;position:fixed;bottom:96px}@media (min-width:900px){.tex-pg{bottom:18px}}.tex-pg-toggle,.tex-pg-actions button{background:var(--ink);color:var(--surface);cursor:pointer;border:0;border-radius:999px;padding:7px 14px;font-weight:500}.tex-pg-panel{bottom:44px;background:var(--surface);width:min(340px,100vw - 28px);max-height:70vh;color:var(--ink);border:1px solid var(--line);border-radius:14px;gap:10px;padding:12px;display:grid;position:absolute;inset-inline-start:0;overflow:auto;box-shadow:0 10px 30px #0000002e}.tex-pg-row{gap:4px;display:grid}.tex-pg-grid{grid-template-columns:repeat(3,1fr);gap:6px}.tex-pg-grid button{border:1px solid var(--line);cursor:pointer;background-color:#fff;background-size:120px;border-radius:8px;align-items:flex-end;height:62px;padding:0;display:flex;overflow:hidden}.tex-pg-grid button span{color:#222;white-space:nowrap;text-overflow:ellipsis;background:#ffffffd9;width:100%;padding:2px 4px;font-size:11.5px;line-height:1.3;overflow:hidden}.tex-pg-grid button[aria-pressed=true]{outline:2px solid var(--vermilion);outline-offset:1px}.tex-pg-colors{grid-template-columns:1fr 1fr}.tex-pg-colors label{align-items:center;gap:6px;display:flex}.tex-pg-colors input{background:0 0;border:0;width:38px;height:28px;padding:0}.tex-pg-values{text-align:left;background:var(--surface-2);white-space:pre-wrap;direction:ltr;border-radius:8px;margin:0;padding:8px;font-size:12px}.tex-pg-actions{grid-template-columns:1fr 1fr}.tex-pg-head{justify-content:space-between;align-items:center;display:flex}.tex-pg-head button{cursor:pointer;color:var(--muted);background:0 0;border:0;padding:4px 8px;font-size:16px}.tex-pg-note{color:var(--muted);margin:-6px 0 0;font-size:13px}.tex-pg-panel{bottom:0}.tex-pg-colors2{grid-template-columns:auto 44px 1fr;align-items:center;gap:6px 10px;display:grid}.tex-pg-colors2 input[type=color]{background:0 0;border:0;width:40px;height:28px;padding:0}.tex-pg-colors2 label{color:var(--muted);align-items:center;gap:4px;font-size:13px;display:flex}.tex-pg-grid button{position:relative}.tex-pg-mini-bar{top:0;border-bottom:1px solid #00000014;height:10px;position:absolute;inset-inline:0}.tex-pg-mini-card{top:18px;border:1px solid #0000001a;border-radius:4px;width:46%;height:18px;position:absolute;inset-inline-start:8px}.tex-pg-more{border-top:1px solid var(--line-soft);gap:10px;padding-top:8px;display:grid}.tex-pg-more>summary{cursor:pointer;color:var(--muted);font-weight:500}.tex-pg-more[open]{gap:10px;display:grid}@media (min-width:1180px){.site-footer .cols{grid-template-columns:repeat(6,max-content);justify-content:space-between;gap:26px}.site-footer .cols a{white-space:nowrap;gap:8px;font-size:13.5px}.site-footer .about p{font-size:13.5px}}.lang-switch{position:relative}.lang-btn .flag{font-size:19px;line-height:1}.lang-menu{top:calc(100% + 6px);z-index:50;background:var(--raised,var(--surface));border:1px solid var(--line);border-radius:12px;min-width:150px;padding:5px;display:grid;position:absolute;inset-inline-end:0;box-shadow:0 10px 30px #0000002e}.lang-menu a{color:var(--ink);border-radius:8px;align-items:center;gap:10px;padding:8px 10px;font-size:15px;text-decoration:none;display:flex}.lang-menu a:hover{background:var(--surface-2)}.lang-menu a[aria-current=true]{font-weight:600}.lang-menu .flag{font-size:18px;line-height:1}.main-nav a{white-space:nowrap}:root[lang=en] .main-nav{gap:22px}.search-mode{flex-wrap:wrap;gap:6px;margin:18px 0 6px;display:flex}.search-mode .chip small{color:var(--faint);margin-inline-start:4px}.search-mode .chip[aria-pressed=true] small{color:inherit;opacity:.75}.search-h{color:var(--faint);margin:26px 0 10px;font-size:15px;font-weight:500}.search-defs{gap:8px;display:grid}.def-row{color:var(--ink);border:1px solid var(--line);background:var(--surface);border-radius:12px;grid-template-columns:10px 1fr;align-items:start;gap:12px;padding:12px 14px;text-decoration:none;display:grid}.def-row:hover{border-color:var(--ink)}.def-row .dot{border-radius:50%;width:8px;height:8px;margin-top:8px}.def-row b{font-weight:600;line-height:1.4;display:block}.def-row .meta{color:var(--faint);margin-top:2px;font-size:13px;display:block}.def-row .snip{color:var(--muted);margin-top:6px;font-size:15px;line-height:1.6;display:block}.def-row mark,.course mark{background:color-mix(in srgb, var(--vermilion) 22%, transparent);color:inherit;border-radius:3px;padding:0 2px}.more-link{color:var(--muted);margin-top:4px;font-size:14.5px}::highlight(course-q){background-color:color-mix(in srgb, var(--vermilion) 28%, transparent);color:inherit}:root[lang=en] .hero h1{max-width:15em;font-size:clamp(34px,4.8vw,52px)}:root[lang=en] .course-head h1{font-size:clamp(30px,4.6vw,50px)}.pres-list{gap:14px;margin-top:22px;display:grid}@media (min-width:720px){.pres-list{grid-template-columns:1fr 1fr}}.pres-card{color:var(--ink);border:1px solid var(--line);background:var(--surface);border-radius:14px;gap:10px;text-decoration:none;display:grid;overflow:hidden}.pres-card:hover{border-color:var(--ink)}.pres-card img{aspect-ratio:16/9;object-fit:cover;background:var(--surface-2);width:100%;display:block}.pres-card>span{gap:2px;padding:4px 16px 16px;display:grid}.pres-card b{font-size:18px;font-weight:600}.pres-card .sub{color:var(--muted);font-size:15px}.pres-card .meta{color:var(--faint);font-size:13.5px}.pres-meta{color:var(--faint);margin:6px 0 18px;font-size:14px}.slides{outline:none}.slides:focus-visible .slide-frame{outline:2px solid var(--focus);outline-offset:3px}.slide-frame{border:1px solid var(--line);background:var(--surface-2);border-radius:12px;overflow:hidden}.slide-frame img{width:100%;height:auto;display:block}.slides:fullscreen{background:#111;place-content:center;padding:20px;display:grid}.slides:fullscreen .slide-frame{border:0;max-height:88vh}.slides:fullscreen .slide-frame img{width:auto;max-height:86vh;margin:0 auto}.slide-bar{justify-content:center;align-items:center;gap:14px;margin-top:10px;display:flex}.slide-bar .arrow{font-size:26px;line-height:1}.slide-n{color:var(--muted);text-align:center;font-variant-numeric:tabular-nums;min-width:64px;font-size:14px}.full-btn{margin-inline-start:8px}.pres-text{margin-top:34px}.pres-slide{border-top:1px solid var(--line-soft);padding:16px 0;scroll-margin-top:90px}.pres-slide h3{align-items:baseline;gap:10px;margin:0 0 6px;font-size:18px;font-weight:600;display:flex}.pres-slide .num{color:var(--faint);font-variant-numeric:tabular-nums;min-width:22px;font-size:13px}.pres-source{color:var(--faint);margin-top:20px;font-size:13.5px}.terms section{margin-top:22px}.terms h2{margin:0 0 4px;font-size:18px;font-weight:600}.terms p{color:var(--muted);max-width:70ch;margin:0}.terms-copy{font-size:14px;color:var(--faint)!important;margin-top:30px!important}.terms-points{gap:6px;max-width:64ch;margin:18px 0;padding-inline-start:20px;display:grid}.terms-form{gap:14px;max-width:520px;margin-top:22px;display:grid}.terms-agree{cursor:pointer;align-items:flex-start;gap:10px;font-size:16px;display:flex}.terms-agree input{width:20px;height:20px;accent-color:var(--vermilion);flex:none;margin-top:3px}.site-footer .fine .copy{color:var(--muted)}.site-footer .fine .copy a{color:inherit}@media (min-width:900px) and (max-width:1179px){.site-footer .cols{grid-template-columns:repeat(3,1fr)}}@media (min-width:1180px){:root[lang=en] .site-footer .cols{grid-template-columns:repeat(6,auto);justify-content:stretch;gap:22px}:root[lang=en] .site-footer .cols a{white-space:normal;align-items:baseline}}.guide{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:18px;max-width:720px;min-height:calc(100dvh - 200px);margin-inline:auto;padding-block:40px 20px;display:flex}.guide.started{justify-content:flex-start;min-height:0;padding-top:30px}.guide-enso{width:64px;height:64px}.guide.started .guide-enso{width:36px;height:36px}.guide-hello{letter-spacing:-.01em;margin:0;font-size:clamp(26px,4vw,38px);font-weight:300;line-height:1.2}.guide-log{gap:12px;width:100%;display:grid}.turn{gap:10px;display:grid}.bubble{text-align:start;border-radius:18px;max-width:80%;margin:0;padding:10px 16px;line-height:1.5}.bubble.me{background:var(--ink);color:var(--surface);border-end-start-radius:6px;justify-self:start}.bubble.bot{background:color-mix(in srgb, var(--surface) 70%, transparent);border:1px solid var(--line);border-end-end-radius:6px;justify-self:end}.guide-box{border:1px solid var(--line);background:var(--surface);border-radius:26px;align-items:center;gap:8px;width:100%;padding:8px;display:flex;box-shadow:0 6px 24px #0000001f}.guide-box:focus-within{border-color:var(--ink)}.guide-box textarea{min-width:0;min-height:44px;max-height:180px;color:var(--ink);font:inherit;resize:none;field-sizing:content;background:0 0;border:0;outline:none;flex:1;padding:10px 12px;font-size:17px;line-height:1.5}.guide-send{background:var(--ink);width:40px;height:40px;color:var(--surface);cursor:pointer;border:0;border-radius:50%;flex:none;font-size:18px}.guide-send:disabled{opacity:.3;cursor:default}.guide-chips{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.guide-chips .chip{cursor:pointer;font:inherit;border:1px solid var(--line);background:color-mix(in srgb, var(--surface) 55%, transparent);color:var(--ink);border-radius:999px;align-items:center;gap:6px;padding:7px 14px;font-size:15px;line-height:1.4;text-decoration:none;display:inline-flex}.guide-chips .chip:hover{border-color:var(--ink)}.guide-chips .chip .dot{border-radius:50%;width:7px;height:7px}.guide-back{color:var(--muted);cursor:pointer;background:0 0;border:0;font-size:14.5px;text-decoration:underline}.guide-totals{text-align:center;color:var(--faint);margin:0 0 30px;font-size:14px}.bubble.bot p{margin:0 0 6px}.bubble.bot ul{margin:4px 0 6px;padding-inline-start:18px}.bubble.bot{padding-bottom:22px;position:relative}.bubble .speak{inset-inline-end:8px;cursor:pointer;opacity:.6;background:0 0;border:0;font-size:14px;position:absolute;bottom:2px}.bubble.typing{letter-spacing:3px;padding-bottom:10px}.guide-items{gap:6px;margin:8px 0 0;padding:0;list-style:none;display:grid}.guide-items a{color:var(--ink);border:1px solid var(--line-soft);background:color-mix(in srgb, var(--surface) 60%, transparent);border-radius:10px;grid-template-columns:10px 1fr;align-items:start;gap:8px;padding:8px 10px;text-decoration:none;display:grid}.guide-items a:hover{border-color:var(--ink)}.guide-items .dot{border-radius:50%;width:7px;height:7px;margin-top:8px}.guide-items b{font-weight:500;line-height:1.4;display:block}.guide-items small{color:var(--faint);font-size:12.5px}.guide-mic{border:1px solid var(--line);cursor:pointer;background:0 0;border-radius:50%;flex:none;width:40px;height:40px;font-size:17px}.guide-mic.on{background:var(--vermilion);border-color:var(--vermilion)}.guide-note{color:var(--faint);max-width:560px;margin:0;font-size:13px}.guide-nav{gap:18px;display:flex}.guide-nav button{color:var(--muted);cursor:pointer;background:0 0;border:0;font-size:14.5px;text-decoration:underline}.guide-nav button:disabled{opacity:.5}.pill-search .ask-chat{font:inherit;color:var(--muted);border:1px solid var(--line);cursor:pointer;white-space:nowrap;background:0 0;border-radius:999px;flex:none;align-items:center;gap:6px;margin-inline-start:6px;padding:5px 11px;font-size:13.5px;display:inline-flex}.pill-search .ask-chat:hover{color:var(--ink);border-color:var(--ink)}.pill-search .ask-chat .enso{width:16px;height:16px}body:has(.chat-page) .site-footer{display:none}.chat-page{padding-inline:16px}.chat{flex-direction:column;max-width:780px;min-height:calc(100dvh - 74px);margin:0 auto;display:flex}.chat:not(.started){justify-content:center;gap:22px;padding-bottom:12vh}.chat-hello{text-align:center;justify-items:center;gap:14px;display:grid}.chat-hello .enso{width:62px;height:62px}.chat-hello h1{margin:0;font-size:clamp(26px,4vw,38px);font-weight:300}.chat-log{flex:1;align-content:start;gap:26px;padding:28px 0 12px;display:grid}.msg.me{justify-self:end;max-width:82%}.msg.me p{border-radius:20px;background:color-mix(in srgb, var(--ink) 12%, var(--surface));white-space:pre-wrap;border-end-end-radius:6px;margin:0;padding:10px 16px;line-height:1.55}.msg.bot{grid-template-columns:28px 1fr;align-items:start;gap:12px;display:grid}.msg.bot .avatar{width:26px;height:26px;margin-top:3px}.msg.bot .avatar.thinking{animation:1.6s ease-in-out infinite chat-breathe}@keyframes chat-breathe{50%{opacity:.35;transform:scale(.9)}}@media (prefers-reduced-motion:reduce){.msg.bot .avatar.thinking{animation:none}}.msg-body{min-width:0;font-family:var(--font-assistant), "Assistant", var(--font);font-size:17px;line-height:1.8}.msg-body b{font-weight:700}.msg-body p{margin:0 0 10px}.msg-body ul{gap:4px;margin:4px 0 10px;padding-inline-start:20px;display:grid}.msg-body.typing{gap:5px;padding-top:12px;display:flex}.msg-body.typing span{background:var(--faint);border-radius:50%;width:7px;height:7px;animation:1.2s infinite chat-dot}.msg-body.typing span:nth-child(2){animation-delay:.2s}.msg-body.typing span:nth-child(3){animation-delay:.4s}@keyframes chat-dot{50%{opacity:.25}}.msg-items{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px;margin:8px 0 4px;padding:0;list-style:none;display:grid}.msg-items a{height:100%;color:var(--ink);border:1px solid var(--line);background:color-mix(in srgb, var(--surface) 70%, transparent);border-radius:12px;grid-template-columns:10px 1fr;align-items:start;gap:8px;padding:10px 12px;text-decoration:none;display:grid}.msg-items a:hover{border-color:var(--ink)}.msg-items .dot{border-radius:50%;width:7px;height:7px;margin-top:8px}.msg-items b{font-size:15px;font-weight:500;line-height:1.4;display:block}.msg-items small{color:var(--faint);font-size:12.5px}.msg-options{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.msg-options .chip,.chat-starters .chip{cursor:pointer;font:inherit;border:1px solid var(--line);color:var(--ink);text-align:start;background:0 0;border-radius:999px;padding:7px 14px;font-size:14.5px;line-height:1.4}.msg-options .chip:hover,.chat-starters .chip:hover{border-color:var(--ink);background:color-mix(in srgb, var(--surface) 60%, transparent)}.msg-tools{margin-top:6px}.msg-tools button{cursor:pointer;opacity:.55;background:0 0;border:0;padding:2px 4px;font-size:14px}.msg-tools button:hover{opacity:1}.chat-dock{gap:10px;display:grid}.chat.started .chat-dock{background:linear-gradient(transparent, var(--bg) 26%);padding:14px 0 16px;position:sticky;bottom:0}@media (max-width:899px){.chat.started .chat-dock{padding-bottom:calc(88px + env(safe-area-inset-bottom));background:linear-gradient(transparent, var(--bg) 18px);bottom:0}.chat{min-height:calc(100dvh - 68px)}}.chat-box{border:1px solid var(--line);background:var(--surface);border-radius:26px;align-items:flex-end;gap:8px;padding:8px;display:flex;box-shadow:0 8px 28px #00000024}.chat-box:focus-within{border-color:var(--ink)}.chat-box textarea{min-width:0;min-height:44px;max-height:200px;color:var(--ink);font:inherit;resize:none;field-sizing:content;background:0 0;border:0;outline:none;flex:1;padding:10px 12px;font-size:17px;line-height:1.5}.chat-send,.chat-mic{cursor:pointer;border-radius:50%;flex:none;width:40px;height:40px;font-size:17px}.chat-send{background:var(--ink);color:var(--surface);border:0}.chat-send:disabled{opacity:.3;cursor:default}.chat-mic{border:1px solid var(--line);background:0 0}.chat-mic.on{background:var(--vermilion);border-color:var(--vermilion)}.chat-starters{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.chat-foot{text-align:center;color:var(--faint);margin:0;font-size:12px;line-height:1.5}.chat-top{z-index:5;background:linear-gradient(var(--bg) 70%, transparent);justify-content:space-between;align-items:center;padding:8px 0;display:flex;position:sticky;top:68px}@media (min-width:900px){.chat-top{top:74px}}.chat-new,.chat-more summary{font:inherit;color:var(--muted);border:1px solid var(--line);cursor:pointer;background:0 0;border-radius:999px;padding:5px 13px;font-size:14px}.chat-new:hover,.chat-more summary:hover{color:var(--ink);border-color:var(--ink)}.chat-more{position:relative}.chat-more summary{line-height:1.3;list-style:none}.chat-more summary::-webkit-details-marker{display:none}.chat-menu{inset-inline-end:0;border:1px solid var(--line);background:var(--surface);border-radius:14px;min-width:180px;padding:6px;display:grid;position:absolute;top:calc(100% + 6px);box-shadow:0 10px 30px #0000002e}.chat-menu button{font:inherit;text-align:start;color:var(--ink);cursor:pointer;background:0 0;border:0;border-radius:9px;padding:8px 10px;font-size:14.5px}.chat-menu button:hover{background:color-mix(in srgb, var(--ink) 8%, transparent)}.chat-menu button:disabled{opacity:.5}.cost-sum{color:var(--muted);margin:-6px 0 6px;font-size:14.5px}@media print{body{color:#111!important;background:#fff!important}.chat-dock .chat-box,.chat-starters,.msg-options,.msg-tools,.chat-top,.alert:not(.err){display:none!important}body:has(.chat-page) .site-header{display:none!important}body:has(.chat-page) .tabbar{display:none!important}body:has(.chat-page) .phrase{display:none!important}body:has(.chat-page) .tex-pg{display:none!important}.chat.started .chat-dock{background:0 0;padding:0;position:static}.chat{max-width:none;min-height:0}.msg.me p{color:#111!important;background:#eee!important}.msg-body{color:#111}.msg-items{grid-template-columns:1fr}.msg-items a{border-color:#ccc;color:#111!important;background:0 0!important}.msg-items a[data-print-href]:after{content:attr(data-print-href);color:#555;text-align:start;direction:ltr;grid-column:2;font-size:11px;display:block}.chat-foot{color:#555}}.start-choice{gap:6px;padding:8px 10px;display:grid}.start-choice>span{color:var(--faint);font-size:13px}.drawer-foot .start-choice{padding:10px 0 0}@media (max-width:480px){.pill-search .ask-chat{padding:5px 8px;font-size:12.5px}}.art-topics{flex-wrap:wrap;align-items:center;gap:8px;margin:14px 0 8px;display:flex}.art-topics .lbl{color:var(--faint);margin-inline-end:2px;font-size:13.5px}.art-topics .chip[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:var(--bg)}.art-group{margin-top:34px;scroll-margin-top:90px}.art-group h2{flex-wrap:wrap;align-items:baseline;gap:4px 12px;margin:0 0 10px;font-size:22px;font-weight:400;display:flex}.art-group h2 .en{color:var(--faint);font-size:14px}.art-group ul{gap:10px;margin:0;padding:0;list-style:none;display:grid}.art-item{color:var(--ink);border:1px solid var(--line);background:color-mix(in srgb, var(--surface) 70%, transparent);border-radius:14px;gap:3px;padding:14px 16px;text-decoration:none;display:grid}.art-item:hover{border-color:var(--ink)}.art-item b{font-size:17.5px;font-weight:500;line-height:1.4}.art-item .orig,.article-page .orig{color:var(--muted);text-align:start;unicode-bidi:plaintext;font-size:14.5px}.art-item .meta,.article-page .meta{color:var(--faint);font-size:13.5px}.art-item .gist{font-family:var(--font-assistant), "Assistant", var(--font);color:var(--muted);font-size:16px;line-height:1.65}.article-page{padding-block:28px 80px}.article-page>*{max-width:904px}.article-page .page-title{font-size:clamp(30px,3.6vw,46px);line-height:1.2}.article-page .orig{text-align:right}.article-page .art-files .btn{justify-content:center;align-items:center;min-height:44px;padding-block:8px;line-height:1.3;display:inline-flex}.article-page .art-back a{color:var(--muted);font-size:14px}.article-page .orig{margin:4px 0 6px}.article-page .meta a{color:var(--muted)}.art-files{flex-wrap:wrap;gap:10px;margin:18px 0 6px;display:flex}.art-note{color:var(--faint);margin:8px 0 22px;font-size:13.5px}.art-summary{font-family:var(--font-assistant), "Assistant", var(--font);font-size:17.5px;line-height:1.85}.art-summary h4{font-family:var(--font);color:var(--ink);margin:30px 0 6px;font-size:19px;font-weight:500}.art-summary p{margin:0 0 12px}.art-summary ul,.art-summary ol{gap:6px;margin:0 0 14px;padding-inline-start:22px;display:grid}.art-summary b{font-weight:700}.art-summary blockquote{border-inline-start:3px solid var(--line);color:var(--muted);margin:10px 0 14px;padding:4px 14px}.art-progs{border:1px solid var(--line);border-radius:999px;flex-wrap:nowrap;gap:2px;margin:22px 0 0;padding:3px;display:inline-flex}.chips.art-progs .chip,.art-progs .chip{color:var(--muted);white-space:nowrap;background:0 0;border:0;border-radius:999px;padding:5px 14px;font-size:14.5px;font-weight:400}.chips.art-progs .chip[aria-pressed=true],.art-progs .chip[aria-pressed=true]{background:color-mix(in srgb, var(--ink) 13%, transparent);color:var(--ink);font-weight:500}.art-progs .chip:hover:not([aria-pressed=true]){color:var(--ink)}@media (max-width:480px){.art-progs{width:100%;display:flex}.chips.art-progs .chip{text-align:center;flex:auto;padding:5px 8px;font-size:13.5px}}.flag.code{font-family:var(--font);letter-spacing:.04em;font-size:12.5px;font-weight:600;line-height:1}.art-courses{gap:6px;margin-top:10px}.art-courses .lbl{font-size:12.5px}.search-page .art-courses a.chip{color:var(--muted);padding:2px 10px;font-size:12.5px;line-height:1.6}.search-page .art-courses a.chip[aria-pressed=true]{color:var(--bg)}.art-layout{gap:10px;margin-top:10px;display:grid}.art-toc{scrollbar-width:none;white-space:nowrap;gap:4px 16px;padding:6px 0;font-size:14px;display:flex;overflow-x:auto}.art-toc .lbl{color:var(--faint);font-size:13px}.art-toc a{color:var(--muted);text-decoration:none}.art-toc a small{color:var(--faint);margin-inline-start:5px;font-size:12px}.art-toc a:hover,.art-toc a[aria-current=true]{color:var(--ink)}@media (min-width:1000px){.art-layout{grid-template-columns:230px minmax(0,1fr);align-items:start;gap:40px}.art-toc{white-space:normal;border-inline-start:1px solid var(--line);flex-direction:column;gap:2px;padding:4px 0;position:sticky;top:96px;overflow:visible}.art-toc .lbl{padding:0 14px 6px}.art-toc a{border-inline-start:2px solid #0000;margin-inline-start:-1px;padding:5px 14px;line-height:1.45}.art-toc a[aria-current=true]{border-inline-start-color:var(--ink);font-weight:500}.art-groups .art-group:first-child{margin-top:0}}.art-finder{flex-wrap:wrap;align-items:center;gap:10px 14px;margin:16px 0 4px;display:flex}.art-search{min-width:0;max-width:460px;font:inherit;border:1px solid var(--line);background:color-mix(in srgb, var(--surface) 60%, transparent);color:var(--ink);border-radius:999px;flex:260px;padding:9px 16px;font-size:15.5px}.art-search:focus{border-color:var(--muted);outline:none}.art-view{border:1px solid var(--line);border-radius:999px;gap:2px;padding:3px;display:inline-flex}.art-view button{font:inherit;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:5px 13px;font-size:14px}.art-view button[aria-pressed=true]{background:color-mix(in srgb, var(--ink) 13%, transparent);color:var(--ink);font-weight:500}.art-browse:not([data-view=topic]) .art-view-topic,.art-browse:not([data-view=alpha]) .art-view-alpha,.art-browse:not([data-view=author]) .art-view-author{display:none}.art-letter h2{margin-bottom:6px;font-size:26px;font-weight:300}.art-index{gap:0!important}.art-index li a{border-bottom:1px solid var(--line-soft,var(--line));color:var(--ink);flex-wrap:wrap;align-items:baseline;gap:2px 12px;padding:8px 2px;text-decoration:none;display:flex}.art-index li a:hover b{text-decoration:underline}.art-index b{font-size:16px;font-weight:500}.art-index .meta{color:var(--faint);font-size:13.5px}.art-toc-alpha{font-size:15px}@media (min-width:1000px){.art-toc-alpha{border:0;grid-template-columns:repeat(5,1fr);gap:2px;display:grid}.art-toc-alpha a{text-align:center;border:0;border-radius:6px;margin:0;padding:4px 0}.art-toc-alpha a[aria-current=true]{background:color-mix(in srgb, var(--ink) 13%, transparent);border:0}}.art-index .ttl{color:var(--muted);font-size:14.5px}.art-summary figure{margin:18px 0 22px}.art-summary figure img{background:#fff;border-radius:10px;width:100%;height:auto;padding:8px;display:block}.art-summary figcaption{color:var(--muted);margin-top:8px;font-size:14px;line-height:1.6}.users-table-wrap{margin-top:10px}.users-search{width:100%;max-width:420px;font:inherit;border:1px solid var(--line);background:color-mix(in srgb, var(--surface) 60%, transparent);color:var(--ink);border-radius:999px;padding:9px 16px;font-size:15.5px}.users-count{color:var(--faint);margin:8px 0;font-size:13.5px}.users-scroll{border:1px solid var(--line);border-radius:14px;overflow-x:auto}.users-table{border-collapse:collapse;width:100%;min-width:980px;font-size:14px}.users-table th{text-align:start;color:var(--faint);border-bottom:1px solid var(--line);white-space:nowrap;background:color-mix(in srgb, var(--surface) 70%, transparent);padding:10px 12px;font-size:12.5px;font-weight:500}.users-table td{border-bottom:1px solid var(--line-soft,var(--line));vertical-align:middle;padding:9px 12px}.users-table tr:hover td{background:color-mix(in srgb, var(--ink) 4%, transparent)}.users-table tr.is-open td{background:color-mix(in srgb, var(--ink) 6%, transparent)}.users-table .who{align-items:center;gap:8px;min-width:240px;display:flex}.users-table .who>span:last-child{display:grid}.users-table .who b{font-weight:500}.users-table .mail{color:var(--muted);text-align:start;font-size:13px}.users-table .num{white-space:nowrap;font-variant-numeric:tabular-nums}.users-table .you{color:var(--accent,var(--muted));font-size:12px}.users-table .row-edit{font:inherit;border:1px solid var(--line);color:var(--ink);cursor:pointer;white-space:nowrap;background:0 0;border-radius:999px;padding:4px 12px;font-size:13px}.users-table .edit-row td{background:color-mix(in srgb, var(--ink) 6%, transparent)}.edit-box{gap:10px;padding:4px 2px 8px;display:grid}.edit-box .edit-meta{color:var(--muted);margin:0;font-size:13px}.edit-box .edit-actions{flex-wrap:wrap;gap:10px;display:flex}.edit-box .edit-actions button{font:inherit;border:1px solid var(--line);color:var(--ink);cursor:pointer;background:0 0;border-radius:999px;padding:5px 14px;font-size:13.5px}.edit-box .edit-actions .danger{color:#c0392b;border-color:#c0392b80}.users-table td{white-space:nowrap}.users-table td.who{white-space:normal}.admin-wide{max-width:min(1600px,100vw - 32px)}.users-table{min-width:0;font-size:13.5px}.users-table th button{font:inherit;color:inherit;cursor:pointer;white-space:nowrap;background:0 0;border:0;align-items:center;gap:4px;padding:0;display:inline-flex}.users-table th button:hover,.users-table th[aria-sort]{color:var(--ink)}.users-table .sort-mark{opacity:.6;font-size:10px}.users-table td.out{color:#c0392b;font-weight:500}.users-table .muted{color:var(--faint)}.switch{background:var(--line);cursor:pointer;vertical-align:middle;border:0;border-radius:999px;width:36px;height:20px;padding:0;position:relative}.switch span{top:2px;background:var(--surface);border-radius:50%;width:16px;height:16px;transition:inset-inline-start .15s;position:absolute;inset-inline-start:2px;box-shadow:0 1px 2px #0000004d}.switch.on{background:#2e8b57}.switch.on span{inset-inline-start:18px}.credit-edit{flex-wrap:wrap;align-items:end;gap:10px;display:flex}.credit-edit label{color:var(--muted);gap:4px;font-size:13px;display:grid}.credit-edit input{width:110px;font:inherit;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:8px;padding:6px 10px}.credit-inline{direction:ltr;align-items:center;gap:0;display:inline-flex}.credit-inline input{text-align:left;width:6ch;font:inherit;font-variant-numeric:tabular-nums;padding-inline-start:1px;color:var(--ink);background:0 0;border:1px solid #0000;border-radius:6px;padding:3px 6px}.credit-inline input:hover{border-color:var(--line)}.credit-inline input:focus{border-color:var(--ink);background:var(--surface);outline:none}.users-table .row-actions-cell{width:1%}.users-table .row-actions{justify-content:flex-end;align-items:center;gap:6px;display:flex}.users-table .row-delete-slot{width:30px;display:inline-block}.users-table .row-delete{cursor:pointer;opacity:.55;background:0 0;border:1px solid #0000;border-radius:999px;padding:5px 7px;font-size:14px;line-height:1}.users-table .row-delete:hover{opacity:1;border-color:#c0392b80}.account .avatar{letter-spacing:.02em;place-items:center;padding:0;font-size:13px;display:inline-grid;overflow:hidden}.account .avatar img{object-fit:cover;width:100%;height:100%;display:block}.account-menu .who{gap:1px;display:grid}.account-menu .who b{color:var(--ink);font-size:14.5px;font-weight:500}.account-menu .who span{color:var(--muted);text-align:start;font-size:13px}.users-table .face{width:32px;height:32px;color:var(--muted);border:1px solid var(--line);background:var(--surface);border-radius:50%;flex:none;place-items:center;font-size:12px;font-weight:500;display:grid;position:relative}.users-table .face img{object-fit:cover;border-radius:50%;width:100%;height:100%}.users-table .face .presence-dot{bottom:-1px;border:2px solid var(--surface);margin:0;position:absolute;inset-inline-end:-1px}.name-edit{flex-wrap:wrap;align-items:end;gap:10px;display:flex}.name-edit label{color:var(--muted);gap:4px;font-size:13px;display:grid}.name-edit input[type=text]{width:240px;font:inherit;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:8px;padding:6px 10px}.name-edit .hint{color:var(--faint);font-size:12.5px}.add-users{margin:18px 0 6px}.add-line{flex-wrap:wrap;align-items:center;gap:8px 12px;display:flex}.add-line input[type=email]{max-width:320px;font:inherit;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;flex:240px;padding:7px 14px;font-size:14.5px}.add-users select{font:inherit;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:8px;padding:6px 10px;font-size:14px}.add-progs{flex-wrap:wrap;gap:4px 12px;font-size:14px;display:inline-flex}.add-progs label{align-items:center;gap:5px;display:inline-flex}.add-line .add-many{font:inherit;color:var(--muted);cursor:pointer;background:0 0;border:0;font-size:13.5px;text-decoration:underline}.add-dialog{border:1px solid var(--line);background:var(--bg);width:min(560px,100vw - 32px);color:var(--ink);border-radius:16px;padding:22px}.add-dialog::backdrop{background:#00000073}.add-dialog h2{margin:0 0 12px;font-weight:400}.add-dialog .field{color:var(--muted);gap:6px;margin-bottom:12px;font-size:13.5px;display:grid}.add-dialog textarea{font:inherit;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:10px;padding:10px;font-size:14px}.add-dialog-row{flex-wrap:wrap;align-items:center;gap:10px 14px;margin-bottom:14px;display:flex}.add-dialog-actions{gap:10px;display:flex}.alert .pay-link{background:var(--ink);color:var(--bg);border-radius:999px;margin-inline-start:10px;padding:4px 14px;font-size:14px;font-weight:500;text-decoration:none;display:inline-block}.paid-btn{font:inherit;border:1px solid var(--ink);color:var(--ink);cursor:pointer;background:0 0;border-radius:999px;margin-inline-start:8px;padding:4px 14px;font-size:14px}.paid-done{margin-top:6px;font-weight:500;display:block}.pending-pay{color:var(--ink);background:#e6a23c40;border-radius:999px;align-items:center;gap:4px;margin-inline-start:8px;padding:1px 4px 1px 8px;font-size:12px;display:inline-flex}.pending-pay button{font:inherit;cursor:pointer;background:0 0;border:0;padding:0 3px;font-size:12px}.account-menu .who{text-align:left;justify-items:end}.auth-tools{align-items:center;gap:10px;display:inline-flex}.add-progs input{width:18px;height:18px;accent-color:var(--vermilion)}.add-progs label{gap:8px;font-size:15px}.pkg-left{border:1px solid var(--line);background:color-mix(in srgb, var(--surface) 70%, transparent);border-radius:14px;margin:18px 0 8px;padding:16px 18px}.pkg-left p{gap:2px;margin:0 0 10px;display:grid}.pkg-left b{font-size:19px;font-weight:500}.pkg-left small{color:var(--muted);font-size:14px}.pkg-bar{background:color-mix(in srgb, var(--ink) 12%, transparent);border-radius:999px;height:10px;overflow:hidden}.pkg-bar span{background:#2e8b57;border-radius:999px;height:100%;display:block}.pkg-pending{color:var(--muted);font-size:14px;margin:10px 0 0!important}.pkg-h{margin:28px 0 10px;font-size:22px;font-weight:400}.pkg-options{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;display:grid}.pkg-card{border:1px solid var(--line);background:color-mix(in srgb, var(--surface) 70%, transparent);border-radius:14px;justify-items:start;gap:10px;padding:18px;display:grid}.pkg-card>b{font-size:30px;font-weight:300}.pkg-card>span{color:var(--muted)}.pkg-card .paid-btn,.pkg-card .pay-link{margin:0}.pkg-steps{color:var(--muted);gap:6px;margin:22px 0 0;padding-inline-start:22px;font-size:15px;display:grid}.alert .pay-link{color:var(--bg)}.pkg-what ul{gap:6px;margin:0 0 12px;padding-inline-start:22px;display:grid}.pkg-what h3{margin:14px 0 4px;font-size:16px;font-weight:500}.pkg-what p{margin:0 0 8px}.pkg-what .pkg-note{color:var(--faint);font-size:14px}.account .avatar{position:relative;overflow:visible}.account .avatar img{border-radius:inherit}.badge-count{top:-4px;color:#fff;text-align:center;min-width:17px;height:17px;box-shadow:0 0 0 2px var(--bg);background:#c2410c;border-radius:999px;padding:0 4px;font-size:11px;font-weight:600;line-height:17px;position:absolute;inset-inline-end:-4px}.menu-note{color:#c2410c;font-size:12px;display:block}.pay-waiting{background:#e6a23c1f;border:1px solid #e6a23c8c;border-radius:12px;margin:20px 0;padding:14px 18px}.pay-waiting h2{margin:0 0 4px;font-size:1.05rem}.pay-waiting .hint{margin:0 0 10px;font-size:14px}.pay-waiting ul{gap:8px;margin:0;padding:0;list-style:none;display:grid}.pay-waiting li{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.pay-waiting li>span{flex:200px}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .menu-note{color:#fb923c}}:root[data-theme=dark] .menu-note{color:#fb923c}.pkg-gift{color:var(--muted);margin:8px 0 0;font-size:14px}
@keyframes in{0%{opacity:.4;transform:translateY(-3px)}to{opacity:1;transform:none}}@keyframes sw{to{inset-inline-start:calc(100% - 14px)}}.course [hidden]:not([hidden=until-found i]){display:none!important}.course .en{font-family:var(--body);color:var(--muted);unicode-bidi:isolate;font-size:.9em}.course .tabs{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:6px;margin-top:22px;display:flex}.course .tabs button{font:inherit;color:var(--muted);cursor:pointer;background:0 0;border:0;border-bottom:3px solid #0000;margin-bottom:-1px;padding:8px 12px;font-weight:600}.course .tabs button[aria-selected=true]{color:var(--ink);border-bottom-color:var(--accent)}.course .tabs button:focus-visible,.course .chip:focus-visible,.course summary:focus-visible,.course .star:focus-visible,.course input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.course .filters{gap:12px;margin:22px 0 8px;display:grid}.course .search{box-sizing:border-box;width:100%;font:inherit;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:10px;padding:10px 14px}.course .row{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.course .row .lbl{color:var(--muted);min-width:64px;margin-left:4px;font-size:13px;font-weight:600}.course .chip{font:inherit;border:1px solid var(--line);background:var(--paper);color:var(--ink);cursor:pointer;border-radius:999px;padding:3px 12px;font-size:14px;line-height:1.6}.course .chip[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--paper)}.course .count{color:var(--muted);margin:6px 0 14px;font-size:14px}.course .list{gap:10px;display:grid}.course details.ex{background:var(--paper);border:1px solid var(--line);border-radius:12px}.course details.ex[open]{border-color:var(--accent)}.course details.ex summary{cursor:pointer;grid-template-columns:1fr auto;align-items:start;gap:4px 12px;padding:14px 16px;list-style:none;display:grid}.course details.ex summary::-webkit-details-marker{display:none}.course .ttl{font-family:var(--display);min-width:0;font-size:20px;font-weight:700;line-height:1.35}.course .aim{color:var(--muted);grid-column:1/-1;font-size:15.5px;line-height:1.55}.course .meta{flex-wrap:wrap;grid-column:1/-1;gap:6px;margin-top:4px;display:flex}.course .tag{background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:1px 9px;font-size:12.5px;font-weight:600}.course .tag.who{border:1px solid var(--line);color:var(--muted);background:0 0}.course .tag.src{color:var(--muted);background:0 0;padding-inline:2px;font-weight:400}.course .star{font:inherit;cursor:pointer;color:var(--muted);background:0 0;border:0;padding:2px 4px;font-size:20px;line-height:1}.course .star[aria-pressed=true]{color:var(--accent)}.course .body{gap:14px;min-width:0;padding:0 16px 16px;display:grid}.course .body h4{letter-spacing:.05em;color:var(--muted);margin:0;font-size:13px}.course .body ol,.course .body ul{gap:4px;margin:4px 0 0;padding-inline-start:22px;display:grid}.course .say{gap:6px;margin-top:6px;display:grid}.course .say q{quotes:none;background:var(--voice-soft);color:var(--ink);border-inline-start:3px solid var(--voice);border-radius:0 8px 8px 0;padding:7px 12px;display:block}.course .note{background:var(--warn-soft);border-radius:8px;padding:9px 12px;font-size:15.5px}.course .note b{color:var(--warn)}.course .empty{color:var(--muted);text-align:center;padding:30px 0}.course .lesson{border-top:1px solid var(--line);grid-template-columns:96px 1fr;gap:16px;padding:20px 0;display:grid}.course .lesson:first-child{border-top:0}.course .lesson .d{font-variant-numeric:tabular-nums;color:var(--accent);padding-top:4px;font-size:15px;font-weight:700}.course .lesson h3{font-family:var(--display);margin:0 0 6px;font-size:22px;line-height:1.3}.course .lesson ul{gap:4px;margin:0;padding-inline-start:20px;display:grid}.course .lesson .ex-links{color:var(--muted);margin-top:8px;font-size:14.5px}.course .lesson .ex-links a{color:var(--accent)}@media (max-width:520px){.course .lesson{grid-template-columns:1fr;gap:4px}}.course section.model{background:var(--paper);border:1px solid var(--line);border-radius:12px;margin-top:16px;padding:18px 18px 20px}.course section.model h3{font-family:var(--display);margin:0 0 8px;font-size:23px;line-height:1.3}.course section.model p{max-width:66ch;margin:6px 0}.course .pair{grid-template-columns:1fr 1fr;gap:12px;margin-top:10px;display:grid}.course .pair>div{border:1px solid var(--line);border-radius:10px;min-width:0;padding:12px}.course .pair h5{margin:0 0 4px;font-size:16px}@media (max-width:560px){.course .pair{grid-template-columns:1fr}}.course .tablewrap{border:1px solid var(--line);border-radius:10px;margin-top:10px;overflow-x:auto}.course table{border-collapse:collapse;width:100%;min-width:760px;font-size:14.5px}.course th,.course td{border-bottom:1px solid var(--line);text-align:right;vertical-align:top;padding:8px 10px;line-height:1.5}.course thead th{background:var(--accent-soft);color:var(--accent);font-size:14px;position:sticky;top:0}.course tbody th{color:var(--muted);white-space:nowrap;font-weight:600}.course tr:last-child td,.course tr:last-child th{border-bottom:0}.course .segs{counter-reset:s;gap:8px;margin:10px 0 0;padding:0;list-style:none;display:grid}.course .segs li{counter-increment:s;grid-template-columns:30px 1fr;gap:10px;display:grid}.course .segs li:before{content:counter(s);font-family:var(--display);color:var(--accent);text-align:center;font-size:20px;font-weight:700;line-height:1.4}.course .pills{flex-wrap:wrap;gap:6px;margin-top:10px;display:flex}.course .pills span{border:1px solid var(--line);border-radius:999px;padding:2px 11px;font-size:14.5px}.course .models3{gap:10px;margin-top:10px;display:grid}.course .models3>div{border-inline-start:3px solid var(--accent);padding:2px 12px}.course .models3 b{display:block}@media (prefers-reduced-motion:no-preference){.course details.ex[open] .body{animation:.18s ease-out in}}.course .arc{color:var(--muted);flex-wrap:wrap;align-items:center;gap:4px 6px;margin:22px 0 4px;font-size:14px;display:flex}.course .arc span{border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:6px;padding:2px 9px}.course .arc i{color:var(--accent);font-style:normal;font-weight:700}.course .states{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px;display:grid}.course .st{border:1px solid var(--line);border-top:4px solid var(--c);border-radius:10px;min-width:0;padding:12px}.course .st.v{--c:var(--accent)}.course .st.s{--c:var(--symp)}.course .st.d{--c:var(--dors)}.course .st h5{color:var(--c);margin:0 0 4px;font-size:16px}@media (max-width:640px){.course .states{grid-template-columns:1fr}}.course .pendulum{grid-template-columns:1fr 70px 1fr;align-items:center;gap:10px;margin:12px 0 4px;display:grid}.course .pole{border:1px solid var(--line);border-radius:10px;min-width:0;padding:10px 12px}.course .pole b{font-family:var(--display);font-size:18px;display:block}.course .pole small{color:var(--muted);font-size:14px;line-height:1.5;display:block}.course .swing{background:var(--line);height:2px;position:relative}.course .swing span{background:var(--accent);top:-6px;border-radius:50%;width:14px;height:14px;position:absolute;inset-inline-start:0}@media (prefers-reduced-motion:no-preference){.course .swing span{animation:3.2s ease-in-out infinite alternate sw}}@media (max-width:520px){.course .pendulum{grid-template-columns:1fr}.course .swing{display:none}}.course .yr{font-family:var(--display);color:var(--accent);margin:26px 0 0;font-size:24px}.course .yr:first-child{margin-top:4px}.course .reading{background:var(--paper);border:1px solid var(--line);border-radius:12px;margin-top:28px;padding:16px 18px}.course .reading h3{font-family:var(--display);margin:0 0 8px;font-size:22px}.course .reading dl{gap:10px;margin:0;display:grid}.course .reading dt{font-weight:700}.course .reading dd{color:var(--muted);margin:0;font-size:15.5px}.course .tabs .n{background:var(--accent-soft);color:var(--accent);border-radius:999px;margin-inline-start:5px;padding:0 7px;font-size:12px;font-weight:700}.course details.more,.course details.full{border:1px dashed var(--line);background:var(--bg);border-radius:10px;margin-top:12px}.course details.full{background:var(--paper);border-style:solid}.course details.more>summary,.course details.full>summary{cursor:pointer;color:var(--accent);align-items:center;gap:8px;padding:8px 12px;font-size:14.5px;font-weight:700;list-style:none;display:flex}.course details.more>summary::-webkit-details-marker{display:none}.course details.full>summary::-webkit-details-marker{display:none}.course details.more>summary:before,.course details.full>summary:before{content:"+";border:1.5px solid;border-radius:50%;flex:none;place-items:center;width:20px;height:20px;font-size:14px;line-height:1;display:inline-grid}.course details.more[open]>summary:before,.course details.full[open]>summary:before{content:"−"}.course details.more>summary:focus-visible,.course details.full>summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.course .more-body,.course .full-body{gap:8px;min-width:0;padding:2px 14px 14px;display:grid}.course .more-body p,.course .full-body p{max-width:68ch;margin:0}.course .more-body ul,.course .more-body ol,.course .full-body ul,.course .full-body ol{gap:4px;margin:0;padding-inline-start:22px;display:grid}.course .full-body h4{font-family:var(--display);color:var(--ink);letter-spacing:0;margin:10px 0 0;font-size:18px}.course .full-body h4:first-child{margin-top:4px}.course .caveat{background:var(--warn-soft);border-radius:8px;padding:8px 12px;font-size:15px}.course .caveat b{color:var(--warn)}.course .ctx{color:var(--muted);font-size:15px;font-style:italic}.course .body .more{margin-top:0}.course .empty-tab{color:var(--muted);text-align:center;padding:30px 0}.course mark{background:var(--accent-soft);color:inherit;border-radius:3px;padding:0 2px}.course .yr{font-family:var(--display);color:var(--accent);text-wrap:balance;margin:30px 0 0;font-size:22px;line-height:1.35}.course .canal{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px;display:grid}@media (max-width:560px){.course .canal{grid-template-columns:1fr}}.course .flow{grid-template-columns:1fr auto 10px auto 1fr;align-items:center;gap:6px;margin:12px 0 4px;display:grid}.course .fbox{border:1px solid var(--line);background:var(--accent-soft);border-radius:10px;min-width:0;padding:8px 10px;font-size:15px}.course .fbox b{display:block}.course .fbox.warn{background:var(--warn-soft)}.course .farr{color:var(--accent);font-size:20px}.course .fwall{border-inline:3px double var(--warn);align-self:stretch;min-height:46px}.course .fself{border:1px dashed var(--accent);text-align:center;border-radius:999px;grid-column:1/-1;justify-self:center;padding:6px 14px;font-size:15px}@media (max-width:560px){.course .flow{grid-template-columns:1fr auto 8px auto 1fr;gap:4px}.course .fbox{padding:6px;font-size:13.5px}}.course .wot{max-width:640px;margin:12px 0 8px}.course .wot svg{border:1px solid var(--line);border-radius:10px;width:100%;height:auto;display:block}.course .wot figcaption{color:var(--muted);margin-top:4px;font-size:13.5px}.course .wot .band.hyper{fill:var(--warn-soft)}.course .wot .band.opt{fill:var(--accent-soft)}.course .wot .band.hypo{fill:var(--voice-soft)}.course .wot .edge{stroke:var(--accent);stroke-width:1.5px}.course .wot .wave{fill:none;stroke:var(--ink);stroke-width:3px;stroke-linecap:round;opacity:.75}.course .wot .wtxt text{fill:var(--muted);text-anchor:start;font-size:17px;font-family:var(--body);direction:rtl}.course .wot .wtxt text.h{fill:var(--ink);font-size:22px;font-weight:700;font-family:var(--display)}@media (max-width:560px){.course .flow{grid-template-columns:1fr!important}.course .flow .farr{justify-self:center;transform:rotate(-90deg)}}.course .figs{grid-template-columns:repeat(5,1fr);gap:10px;margin:8px 0 6px;display:grid}@media (max-width:760px){.course .figs{grid-template-columns:repeat(3,1fr)}}@media (max-width:560px){.course .figs{grid-template-columns:repeat(2,1fr)}}.course .fig{border:1px solid var(--line);background:var(--bg);border-radius:10px;min-width:0;margin:0;padding:8px}.course .fig svg{width:100%;height:auto;max-height:240px;display:block}.course .fig figcaption{color:var(--muted);margin-top:4px;font-size:13.5px;line-height:1.5}.course .fig figcaption b{color:var(--ink);font-size:15px;display:block}.course .fig .stage{color:var(--accent);margin-bottom:2px;font-size:12.5px;font-weight:600;display:block}.course .figlegend{color:var(--muted);flex-wrap:wrap;gap:4px 12px;margin:4px 0;font-size:13.5px;display:flex}.course .figlegend span{align-items:center;gap:4px;display:inline-flex}.course .figlegend svg{width:34px;height:10px;overflow:visible}.course svg .torso{fill:var(--paper);stroke:var(--ink);stroke-width:1.3px}.course svg .limb{stroke:var(--ink);stroke-linecap:round;opacity:.82}.course svg .halo{fill:var(--accent-soft);stroke:var(--accent);stroke-width:1px;stroke-opacity:.45}.course svg .halo.gap{fill:none;stroke-dasharray:3 10;stroke-width:1.4px}.course svg .halo.faint{fill-opacity:.45;stroke-dasharray:1 5}.course svg .halo.tight{stroke-width:2.2px;stroke-opacity:.8}.course svg .shell{fill:none;stroke:var(--warn);stroke-width:1.6px;stroke-opacity:.75}.course svg .core{fill:var(--accent)}.course svg .core.weak{fill-opacity:.5}.course svg .held{fill:var(--warn);fill-opacity:.55}.course svg .split{stroke:var(--warn);stroke-width:1.6px;stroke-dasharray:4 3}.course svg .spine{stroke:var(--warn);stroke-width:3px;stroke-opacity:.55;stroke-linecap:round}.course svg .a-fl,.course svg .a-up,.course svg .a-wk{stroke:var(--accent);stroke-width:1.8px;fill:none}.course svg .a-up{stroke-width:3.4px}.course svg .a-wk{stroke-dasharray:3 3;stroke-opacity:.75}.course svg .a-wd{stroke:var(--voice);stroke-width:1.8px;fill:none}.course svg .a-bar{stroke:var(--warn);stroke-width:2.6px;stroke-linecap:round}.course svg .ah{fill:var(--accent)}.course svg .ahv{fill:var(--voice)}.course svg .ring{fill:none;stroke:var(--warn);stroke-width:1.4px}.course svg .lbl text{fill:var(--ink);text-anchor:start;font-size:10.5px;font-family:var(--body);direction:rtl}.course svg .tick line{stroke:var(--muted);stroke-width:.7px}.course .armorfig{max-width:520px;margin:10px 0}.course .armorfig svg{width:100%;height:auto;display:block}.course .armorfig figcaption{color:var(--muted);font-size:14px}
.course{--paper:var(--surface);--display:var(--font);--body:var(--font);--bg:var(--surface-2)}.course [hidden]{display:none!important}.course-head{padding-block:34px 8px}.course .crumbs{color:var(--faint);font-size:15px}.course .crumbs a{color:var(--muted);text-decoration:none}.course .crumbs a:hover{color:var(--ink)}.course .series{letter-spacing:.02em;color:var(--accent);align-items:baseline;gap:10px;margin-top:22px;font-size:13.5px;font-weight:500;display:flex}.course .series .dot{transform:translateY(-1px)}.course-head h1{letter-spacing:-.015em;max-width:18em;margin:10px 0 14px;font-size:clamp(32px,5.6vw,58px);font-weight:300;line-height:1.08}.course-head .intro{color:var(--muted);max-width:80ch;margin:0;font-size:16.5px}.course .arc{margin:22px 0 6px}.course .arc span{border-color:var(--line);background:0 0}.course-bar{z-index:10;background:var(--header-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);margin-top:18px;position:sticky;top:68px}@media (min-width:900px){.course-bar{top:74px}}.course-bar-inner{flex-direction:column-reverse;gap:8px;padding-top:10px;display:flex}.course .tabs{scrollbar-width:none;border:0;flex-wrap:nowrap;gap:2px;margin:0;overflow-x:auto}.course .tabs button{white-space:nowrap;color:var(--muted);border-bottom-width:2px;padding:10px 10px 11px;font-weight:500}.course .tabs button[aria-selected=true]{color:var(--ink);border-bottom-color:var(--accent)}.course .tabs .short{display:inline}.course .tabs .long{display:none}.course .tabs .n{font-weight:500}.course-search input{border:1px solid var(--line);background:color-mix(in srgb, var(--bg) 40%, transparent);width:100%;height:44px;color:var(--ink);border-radius:999px;padding:0 16px;font-size:16px}.course-search input::placeholder{color:var(--faint)}.course-search input:focus{border-color:var(--accent);outline:none}@media (min-width:720px){.course .tabs .short{display:none}.course .tabs .long{display:inline}}@media (min-width:900px){.course-bar-inner{flex-direction:row;justify-content:space-between;align-items:center;padding-top:0}.course-search{width:340px;padding-block:8px}}.course-panel{padding-block:22px 40px}.course-panel.narrow>*{max-width:860px}.ex-layout{gap:14px;display:grid}@media (min-width:1000px){.ex-layout{grid-template-columns:250px minmax(0,1fr);gap:40px}.ex-layout .filters{align-self:start;max-height:calc(100dvh - 180px);position:sticky;top:160px;overflow:auto}}.course .filters{gap:14px;margin:0;display:grid}.course .frow{gap:6px;display:grid}.course .frow .lbl{color:var(--faint);font-size:13px;font-weight:500}.course .frow .chips{flex-wrap:wrap;gap:6px;display:flex}.course .chip{white-space:nowrap;border-color:var(--line);color:var(--ink);background:0 0;padding:5px 13px}.course .chip[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--bg-solid,#1b1a19)}:root[data-theme=light] .course .chip[aria-pressed=true]{color:#fff}.course .count{margin:0 0 12px}.course details.ex{background:var(--surface);border-color:var(--line)}.course details.ex[open]{border-color:var(--accent)}.course .ttl{font-size:19px;font-weight:500}.course .star{min-width:44px;min-height:44px;margin:-10px -8px 0 -6px}.course .say q{color:var(--ink)}.course details.more,.course details.full{background:0 0}.course details.full{background:var(--surface)}.course .lesson h3,.course section.model h3,.course .reading h3{font-weight:400}.course section.model{background:var(--surface)}.course .yr{font-weight:400}.course .lesson{border-top-color:var(--line)}.course-foot{border-top:1px solid var(--line);color:var(--faint);max-width:90ch;margin:20px 0 8px;padding-top:18px;font-size:13.5px}.course .tag.kind{border:1px solid var(--accent);color:var(--accent);background:0 0}.course .tag.kind.intervention{border-style:dashed}.course section.model .note{margin:10px 0 0}.course section.model .src-line{color:var(--faint);margin-top:8px;font-size:13.5px}.course .tag{font-size:13.5px}.course .say q{background:color-mix(in oklch, var(--voice) 24%, white)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .course .say q{background:color-mix(in srgb, var(--voice-soft) 60%, var(--surface))}}:root[data-theme=dark] .course .say q{background:color-mix(in srgb, var(--voice-soft) 60%, var(--surface))}.course .md-index{border:1px solid var(--line);background:var(--surface);border-radius:14px;gap:0 28px;margin:18px 0 26px;padding:18px 20px 12px;display:grid}@media (min-width:720px){.course .md-index{grid-template-columns:1fr 1fr}}.course .md-index-head{grid-column:1/-1;margin-bottom:8px}.course .md-index-head h3{margin:0;font-size:19px;font-weight:500}.course .md-index-head p{color:var(--muted);margin:0;font-size:15px}.course .md-index h4{color:var(--accent);grid-column:1/-1;margin:14px 0 2px;font-size:14px;font-weight:500}.course .md-index a{color:var(--ink);border-bottom:1px solid var(--line-soft);padding:8px 16px 8px 0;line-height:1.4;text-decoration:none;position:relative}.course .md-index a:before{content:"";inset-inline-start:2px;background:var(--accent);opacity:.7;border-radius:50%;width:6px;height:6px;position:absolute;top:calc(5px + .7em)}.course .md-index a{padding-inline:18px 0}.course .md-index a:hover{color:var(--accent)}.course .md-index .en{color:var(--muted)}.course .md-up{float:inline-end;color:var(--faint);margin-inline-start:12px;font-size:13.5px;text-decoration:none}.course .md-up:hover{color:var(--accent)}.course .cmap{gap:0;max-width:620px;margin:14px 0 22px;display:grid}.course .cm-node{background:var(--surface-2);border:1px solid var(--line);border-radius:12px;min-width:0;padding:10px 14px}.course .cm-node.hi{border-color:var(--accent);background:var(--accent-soft)}.course .cm-node b{font-size:17px;font-weight:600;line-height:1.35;display:block}.course .cm-node>.en{color:var(--muted);text-align:right;margin-top:1px;font-size:13.5px;display:block}.course .cm-node p{margin:4px 0 0;font-size:15px;line-height:1.55}.course .cm-arrow{text-align:center;color:var(--accent);padding:22px 12px 6px;font-size:14px;line-height:1.45;position:relative}.course .cm-arrow:before{content:"↓";top:2px;font-size:16px;line-height:1;position:absolute;inset-inline:0}.course .cm-split{gap:8px;display:grid}@media (min-width:640px){.course .cm-split{grid-template-columns:repeat(3,1fr)}}:root[lang=en] .course h3>.en{display:none}.course figure.media{margin:12px 0}.course figure.media img{border:1px solid var(--line);border-radius:10px;max-width:100%;height:auto;display:block}.course figure.media figcaption{color:var(--muted);margin-top:6px;font-size:13.5px}.course .script-body blockquote{border-inline-start:3px solid var(--accent);margin:8px 0;padding:4px 14px;font-size:1.04em;line-height:1.85}.course .script-body blockquote p{margin:0 0 8px}.course .script-body blockquote p:last-child{margin:0}.course .script-body h4{margin:16px 0 4px}.course .ex-lessons{color:var(--muted);margin:0;font-size:14.5px}.course .ex-lessons a{color:var(--accent)}.course{--read:var(--font-assistant), "Assistant", var(--font)}.course .body,.course .aim,.course .lesson,.course section.model,.course .reading,.course .md-index{font-family:var(--read);color:var(--ink);font-size:17px;font-weight:400;line-height:1.8}.course .aim{color:var(--muted)}.course .body ol,.course .body ul,.course .more-body ol,.course .more-body ul,.course .full-body ol,.course .full-body ul{gap:7px}.course .body b,.course .body strong,.course .lesson b,.course section.model b,.course .reading b,.course .more-body b,.course .full-body b{color:var(--ink);font-weight:700}.course .body h4{font-family:var(--font);letter-spacing:0;color:var(--accent);margin:0 0 4px;font-size:15px;font-weight:500}.course .more-body h4,.course .full-body h4{font-family:var(--font);letter-spacing:0;color:var(--ink);margin:20px 0 4px;font-size:17.5px;font-weight:500}.course .more-body h4:first-child,.course .full-body h4:first-child{margin-top:4px}.course .lesson h3,.course section.model h3{font-family:var(--font);color:var(--ink)}.course details.more>summary,.course details.full>summary,.course .tag,.course .lesson .d{font-family:var(--font);font-weight:500}.course .reading dt,.course tbody th{font-weight:600}