@font-face{font-family:Hanken Grotesk Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(data:font/woff2;base64,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)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Hanken Grotesk Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/hanken-grotesk-vietnamese-wght-normal-CHiFlh_0.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Hanken Grotesk Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/hanken-grotesk-latin-ext-wght-normal-Dg-wlmqe.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Hanken Grotesk Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/hanken-grotesk-latin-wght-normal-CaVRRdDk.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Noto Serif Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/noto-serif-cyrillic-ext-wght-normal-DwsuhU2Y.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Noto Serif Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/noto-serif-cyrillic-wght-normal-CeZyc_3Q.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Noto Serif Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/noto-serif-greek-ext-wght-normal-B0csX6R_.woff2)format("woff2-variations");unicode-range:U+1F??}@font-face{font-family:Noto Serif Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/noto-serif-greek-wght-normal-BWSpOBI-.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Noto Serif Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/noto-serif-math-wght-normal-ChZGBGZa.woff2)format("woff2-variations");unicode-range:U+302-303,U+305,U+307-308,U+310,U+312,U+315,U+31A,U+326-327,U+32C,U+32F-330,U+332-333,U+338,U+33A,U+346,U+34D,U+391-3A1,U+3A3-3A9,U+3B1-3C9,U+3D1,U+3D5-3D6,U+3F0-3F1,U+3F4-3F5,U+2016-2017,U+2034-2038,U+203C,U+2040,U+2043,U+2047,U+2050,U+2057,U+205F,U+2070-2071,U+2074-208E,U+2090-209C,U+20D0-20DC,U+20E1,U+20E5-20EF,U+2100-2112,U+2114-2115,U+2117-2121,U+2123-214F,U+2190,U+2192,U+2194-21AE,U+21B0-21E5,U+21F1-21F2,U+21F4-2211,U+2213-2214,U+2216-22FF,U+2308-230B,U+2310,U+2319,U+231C-2321,U+2336-237A,U+237C,U+2395,U+239B-23B7,U+23D0,U+23DC-23E1,U+2474-2475,U+25AF,U+25B3,U+25B7,U+25BD,U+25C1,U+25CA,U+25CC,U+25FB,U+266D-266F,U+27C0-27FF,U+2900-2AFF,U+2B0E-2B11,U+2B30-2B4C,U+2BFE,U+3030,U+FF5B,U+FF5D,U+1D400-1D7FF,U+1EE??}@font-face{font-family:Noto Serif Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/noto-serif-vietnamese-wght-normal-G-hP2cUo.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Noto Serif Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/noto-serif-latin-ext-wght-normal-NX2Olof3.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Noto Serif Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/noto-serif-latin-wght-normal-DKWgU5qY.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(data:font/woff2;base64,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)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-cyrillic-wght-normal-D73BlboJ.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-greek-wght-normal-Bw9x6K1M.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-vietnamese-wght-normal-Bt-aOZkq.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-latin-ext-wght-normal-DBQx-q_a.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-latin-wght-normal-B9CIFXIH.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ground:#eff2f6;--surface:#fff;--sunken:#e6ebf1;--border:#d0d8e2;--ink:#0f1a2a;--ink-soft:#4a5768;--route:#f2a900;--complete:#18744b;--mistake:#b12f2f;--ai:#5843bd;--waiting:#1e5fb0;--border-strong:#b4c0ce;--control:#8390a1;--route-hover:#f9b417;--on-route:#0f1a2a;--shadow-overlay:0 8px 24px -4px #0f1a2a1a;--backdrop:#0f1a2a4d;--on-accent:#fff;--rail:#fff;--rail-active:#0f1a2a0f;--dur-fast:.12s;--dur:.2s;--ease:cubic-bezier(.2, 0, 0, 1);--radius:6px;--radius-inner:4px;--space-xs:.25rem;--space-sm:.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2.5rem;--margin:2rem;--font-ui:"Hanken Grotesk Variable", system-ui, sans-serif;--font-reading:"Noto Serif Variable", "Noto Serif", Georgia, serif;--font-mono:"JetBrains Mono Variable", ui-monospace, monospace}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--ground:#0e131b;--surface:#172030;--sunken:#0a0e14;--border:#283447;--border-strong:#3a4759;--control:#64738a;--route-hover:#f8c45e;--shadow-overlay:0 8px 24px -4px #0006;--backdrop:#0009;--on-accent:#0e131b;--rail:#131a26;--rail-active:#e5eaf114;--ink:#e5eaf1;--ink-soft:#9aa6b7;--route:#f5b83d;--complete:#5cc796;--mistake:#f28a7e;--ai:#a99af5;--waiting:#7db0f0;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--ground:#0e131b;--surface:#172030;--sunken:#0a0e14;--border:#283447;--border-strong:#3a4759;--control:#64738a;--route-hover:#f8c45e;--shadow-overlay:0 8px 24px -4px #0006;--backdrop:#0009;--on-accent:#0e131b;--rail:#131a26;--rail-active:#e5eaf114;--ink:#e5eaf1;--ink-soft:#9aa6b7;--route:#f5b83d;--complete:#5cc796;--mistake:#f28a7e;--ai:#a99af5;--waiting:#7db0f0;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}@media (width<=767px){:root{--margin:1rem}}*,:before,:after{box-sizing:border-box}body{background:var(--ground);color:var(--ink);font-family:var(--font-ui);-webkit-font-smoothing:antialiased;margin:0;font-size:15px;line-height:22px}h1,h2,h3,h4,p{margin:0}a{color:inherit}.t-headline-lg{letter-spacing:-.02em;font-size:32px;font-weight:600;line-height:40px}.t-headline-md{letter-spacing:-.015em;font-size:24px;font-weight:600;line-height:32px}.t-headline-sm{letter-spacing:-.01em;font-size:19px;font-weight:600;line-height:26px}.t-label{letter-spacing:.01em;font-size:13px;font-weight:500;line-height:18px}.t-caps{letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:700;line-height:16px}.t-soft{color:var(--ink-soft)}@media (width<=767px){.t-headline-lg{font-size:26px;line-height:34px}}.button{justify-content:center;align-items:center;gap:var(--space-sm);min-height:40px;padding:0 var(--space-md);border-radius:var(--radius);font:inherit;cursor:pointer;border:1px solid #0000;font-weight:500;text-decoration:none;transition:background-color .15s,border-color .15s,transform .1s,box-shadow .15s;display:inline-flex}@media (prefers-reduced-motion:reduce){.button{transition:none}}.button:focus-visible{outline:2px solid var(--ink);outline-offset:2px}.button:disabled{opacity:.6;cursor:default}.button--primary{background:var(--route);color:var(--on-route)}.button--primary:hover:not(:disabled){background:var(--route-hover)}.button--primary:active:not(:disabled){transform:scale(.98)}.button--secondary{background:var(--surface);border-color:var(--border-strong);color:var(--ink)}.button--secondary:hover{background:var(--ground)}.button--ghost{color:var(--ink-soft);background:0 0}.button--ghost:hover{background:var(--sunken)}.field{gap:var(--space-xs);display:grid}.field__label{font-size:13px;font-weight:500}.field__input{min-height:40px;padding:0 var(--space-md);border:1px solid var(--control);border-radius:var(--radius);background:var(--surface);color:var(--ink);font:inherit}.field__input:focus{border-color:var(--route);box-shadow:0 0 0 1px var(--route);outline:none}.chip{align-items:center;gap:var(--space-xs);height:24px;padding:0 var(--space-sm);border-radius:var(--radius-inner);letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:700;display:inline-flex}.chip--ai{background:color-mix(in srgb, var(--ai) 10%, transparent);color:var(--ai)}.chip--route{background:var(--route);color:var(--on-route)}.chip--mistake{background:color-mix(in srgb, var(--mistake) 12%, transparent);color:var(--mistake)}.chip--soft{background:var(--sunken);color:var(--ink-soft)}.tag{align-items:center;gap:var(--space-xs);padding:2px var(--space-sm);border-radius:var(--radius-inner);background:var(--ground);color:var(--ink-soft);font-size:12px;font-weight:500;display:inline-flex}.switch{gap:var(--space-sm);cursor:pointer;grid-template-columns:auto minmax(0,1fr);align-items:start;display:grid}.switch input{opacity:0;position:absolute}.switch__track{background:var(--control);border-radius:9999px;width:36px;height:20px;margin-top:1px;position:relative}.switch__track:after{content:"";background:var(--surface);border-radius:50%;width:16px;height:16px;position:absolute;top:2px;left:2px}.switch input:checked+.switch__track{background:var(--complete)}.switch input:checked+.switch__track:after{left:18px}.switch input:focus-visible+.switch__track{outline:2px solid var(--ink);outline-offset:2px}.switch__hint{display:block}.bar{background:var(--border);border-radius:9999px;height:4px;overflow:hidden}.bar__fill{background:var(--route);height:100%}.stars{align-items:center;gap:var(--space-xs);display:inline-flex}.icon{width:20px;height:20px;-webkit-mask:var(--icon) center / contain no-repeat;mask:var(--icon) center / contain no-repeat;background:currentColor;flex:none;display:inline-block}.icon--sm{width:16px;height:16px}.visually-hidden{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@keyframes fade-in{0%{opacity:0}}@keyframes rise-in{0%{opacity:0;transform:translateY(4px)}}@keyframes slide-in-right{0%{transform:translate(100%)}}@keyframes slide-out-right{to{transform:translate(100%)}}@keyframes slide-in-left{0%{transform:translate(-100%)}}@keyframes sheet-up{0%{transform:translateY(100%)}}@keyframes sheet-down{to{transform:translateY(100%)}}@keyframes fade-out{to{opacity:0}}@keyframes pop-in{0%{opacity:0;transform:scale(.98)}}@keyframes draw-check{0%{stroke-dashoffset:var(--len,24)}}@keyframes route-draw{0%{stroke-dashoffset:var(--len,100)}}@keyframes grow-down{0%{transform:scaleY(0)}}@keyframes grow-right{0%{transform:scaleX(0)}}@keyframes node-pop{40%{transform:scale(1.3)}}@keyframes flash-row{0%{box-shadow:0 0 0 3px color-mix(in srgb, var(--route) 70%, transparent);background-color:color-mix(in srgb, var(--route) 14%, var(--surface))}}@keyframes soft-glow{0%{box-shadow:0 0 0 0 color-mix(in srgb, var(--route) 65%, transparent)}to{box-shadow:0 0 0 12px #0000}}@keyframes count-bump{40%{transform:scale(1.25)}}@keyframes breathe{50%{opacity:.45}}@keyframes fly-to{to{transform:translate(var(--dx,0), var(--dy,0)) scale(.15);opacity:0}}@keyframes shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.button--sm{min-height:32px;padding:0 var(--space-sm);font-size:13px}.button--danger{background:var(--surface);border-color:color-mix(in srgb, var(--mistake) 45%, var(--border));color:var(--mistake)}.button--danger:hover:not(:disabled){background:color-mix(in srgb, var(--mistake) 8%, var(--surface))}.icon-button{border-radius:var(--radius);width:32px;height:32px;color:var(--ink-soft);cursor:pointer;transition:background-color var(--dur-fast) ease, color var(--dur-fast) ease;background:0 0;border:0;flex:none;place-items:center;padding:0;display:inline-grid}.icon-button--sm{width:28px;height:28px}.icon-button:hover,.icon-button[aria-expanded=true],.icon-button[aria-pressed=true]{background:var(--sunken);color:var(--ink)}.icon-button:focus-visible{outline:2px solid var(--ink);outline-offset:2px}.icon-button:disabled{opacity:.5;cursor:default}.field__hint{color:var(--ink-soft);font-size:13px;line-height:18px}.field__error{color:var(--mistake);font-size:13px;line-height:18px}.field__input[aria-invalid=true]{border-color:var(--mistake)}.field__textarea{min-height:96px;padding:var(--space-sm) var(--space-md);resize:vertical;line-height:22px}.field__input::placeholder{color:var(--ink-soft);opacity:.8}.choicebox{align-items:flex-start;gap:var(--space-sm);cursor:pointer;display:flex}.choicebox>input{margin-top:2px}.choicebox__text{display:grid}.choicebox__hint{color:var(--ink-soft);font-size:13px;line-height:18px}:where(input[type=checkbox],input[type=radio]){appearance:none;border:1.5px solid var(--control);border-radius:var(--radius-inner);background:var(--surface);cursor:pointer;width:18px;height:18px;transition:background-color var(--dur-fast) ease, border-color var(--dur-fast) ease;flex:none;place-items:center;margin:0;display:grid}:where(input[type=radio]){border-radius:50%}:where(input[type=checkbox],input[type=radio]):checked{border-color:var(--complete);background:var(--complete)}:where(input[type=checkbox]):checked:after{content:"";border:solid var(--on-accent);border-width:0 0 2px 2px;width:10px;height:6px;margin-top:-2px;transform:rotate(-45deg)}:where(input[type=checkbox]):indeterminate{border-color:var(--complete);background:var(--complete)}:where(input[type=checkbox]):indeterminate:after{content:"";background:var(--on-accent);width:10px;height:2px}:where(input[type=radio]):checked:after{content:"";background:var(--on-accent);border-radius:50%;width:6px;height:6px}:where(input[type=checkbox],input[type=radio]):focus-visible{outline:2px solid var(--ink);outline-offset:2px}:where(input[type=checkbox],input[type=radio]):disabled{opacity:.5;cursor:default}.choice-group{gap:var(--space-sm);border:0;min-width:0;margin:0;padding:0;display:grid}.choice-group>legend{margin-bottom:var(--space-xs);padding:0}.dialog{color:var(--ink);background:0 0;border:0;max-width:none;max-height:none;padding:0}.dialog::backdrop{background:var(--backdrop);animation:fade-in var(--dur) ease}.dialog__panel{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-overlay);flex-direction:column;display:flex;overflow:hidden}.dialog__head{justify-content:space-between;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--border);display:flex}.dialog__actions{align-items:center;gap:var(--space-sm);display:flex}.dialog__body{align-content:start;gap:var(--space-md);padding:var(--space-lg);display:grid;overflow-y:auto}.dialog__foot{justify-content:flex-end;gap:var(--space-sm);padding:var(--space-md) var(--space-lg);border-top:1px solid var(--border);display:flex}.dialog--modal{width:min(520px, calc(100vw - 2 * var(--space-md)));margin:auto}.dialog--modal.dialog--wide{width:min(760px, calc(100vw - 2 * var(--space-md)))}.dialog--modal .dialog__panel{max-height:min(80vh,720px);animation:pop-in var(--dur) var(--ease)}.dialog--drawer{width:min(480px,100vw);height:100dvh;margin:0 0 0 auto}.dialog--drawer.dialog--wide{width:min(640px,100vw)}.dialog--drawer .dialog__panel{height:100%;animation:slide-in-right var(--dur) var(--ease);border-width:0 0 0 1px;border-radius:0}.dialog--drawer .dialog__body,.dialog--sheet .dialog__body{flex:1}.dialog--sheet{width:100vw;margin:auto 0 0}.dialog--sheet .dialog__panel{border-radius:var(--radius) var(--radius) 0 0;max-height:85dvh;animation:sheet-up var(--dur) var(--ease);border-width:1px 0 0}.dialog--closing::backdrop{animation:fade-out var(--dur) ease forwards}.dialog--drawer.dialog--closing .dialog__panel{animation:slide-out-right var(--dur) var(--ease) forwards}.dialog--sheet.dialog--closing .dialog__panel{animation:sheet-down var(--dur) var(--ease) forwards}.popmenu{display:inline-flex;position:relative}.popmenu__list{z-index:60;min-width:220px;padding:var(--space-xs);border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-overlay);animation:rise-in var(--dur-fast) var(--ease);display:grid;position:absolute}.popmenu__list--bottom-end{top:calc(100% + var(--space-xs));right:0}.popmenu__list--bottom-start{top:calc(100% + var(--space-xs));left:0}.popmenu__list--top-start{bottom:calc(100% + var(--space-xs));left:0}.popmenu__list--right-end{bottom:0;left:calc(100% + var(--space-sm))}.popmenu__item{align-items:center;gap:var(--space-sm);min-height:36px;padding:0 var(--space-sm);border-radius:var(--radius-inner);color:var(--ink);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;font-size:14px;text-decoration:none;display:flex}.popmenu__item .icon{color:var(--ink-soft)}.popmenu__item:hover,.popmenu__item:focus-visible{background:var(--sunken);outline:none}.popmenu__item--danger,.popmenu__item--danger .icon{color:var(--mistake)}.popmenu__label{flex:1}.popmenu__sep{height:1px;margin:var(--space-xs) 0;background:var(--border)}.popmenu__heading{padding:var(--space-sm) var(--space-sm) var(--space-xs);color:var(--ink-soft)}.searchfield{align-items:center;min-width:0;display:grid;position:relative}.searchfield>.icon{color:var(--ink-soft);pointer-events:none;position:absolute;left:12px}.searchfield .searchfield__input{border:1px solid var(--control);border-radius:var(--radius);background:var(--surface);width:100%;min-height:40px;font:inherit;padding:0 36px}.searchfield .searchfield__input:focus{border-color:var(--route);box-shadow:0 0 0 1px var(--route);outline:none}.searchfield__input::-webkit-search-cancel-button{appearance:none}.searchfield__input::-webkit-search-decoration{appearance:none}.searchfield__clear{position:absolute;right:4px}.searchfield--sm .searchfield__input{min-height:32px;font-size:13px}.picker{min-width:0;display:grid}.picker__button{align-items:center;gap:var(--space-sm);text-align:left;cursor:pointer;min-width:0;display:flex}.picker__button:disabled{opacity:.6;cursor:default}.picker__button[aria-expanded=true]{border-color:var(--route);box-shadow:0 0 0 1px var(--route)}.picker__value{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.picker__value--empty,.picker__prefix{color:var(--ink-soft)}.picker__chevron{margin-right:calc(var(--space-xs) * -1);color:var(--ink-soft);transition:transform var(--dur-fast) var(--ease);display:inline-grid}.picker__button[aria-expanded=true] .picker__chevron{transform:rotate(180deg)}.picker--sm .picker__button{min-height:32px;padding:0 var(--space-sm);font-size:13px}.picker--quiet{justify-self:start;max-width:100%}.picker--quiet .picker__button{min-height:28px;padding:0 var(--space-xs);background:0 0;border-color:#0000}.picker--quiet .picker__button:hover,.picker--quiet .picker__button[aria-expanded=true]{border-color:var(--control);box-shadow:none}.picker__pop{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);max-width:min(420px,100vw - 16px);color:var(--ink);box-shadow:var(--shadow-overlay);margin:0;padding:0;position:fixed;inset:auto;overflow:hidden}.picker__pop:popover-open{animation:rise-in var(--dur-fast) var(--ease);display:grid}.picker__search{align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-bottom:1px solid var(--border);color:var(--ink-soft);display:flex}.picker__pop .picker__search input{min-width:0;min-height:0;color:var(--ink);font:inherit;background:0 0;border:0;border-radius:0;outline:none;flex:1;padding:0;font-size:14px}.picker__list{max-height:320px;padding:var(--space-xs);outline:none;margin:0;list-style:none;overflow-y:auto}.picker__group{padding:var(--space-sm) var(--space-sm) var(--space-xs);color:var(--ink-soft)}.picker__option{align-items:center;gap:var(--space-sm);min-height:36px;padding:0 var(--space-sm);border-radius:var(--radius-inner);cursor:pointer;font-size:14px;display:flex}.picker__option[data-active]{background:var(--sunken)}.picker__option[aria-selected=true]{font-weight:600}.picker__mark{color:var(--ink-soft);display:inline-grid}.picker__mark--tick{visibility:hidden;color:var(--ink)}.picker__option[aria-selected=true] .picker__mark--tick{visibility:visible}.picker__label{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.picker__label mark{background:color-mix(in srgb, var(--route) 35%, transparent);color:inherit;border-radius:2px}.picker__hint{color:var(--ink-soft);flex:none;font-size:12px;font-weight:400}.picker__option--create{margin-top:var(--space-xs);border-top:1px solid var(--border);border-radius:0 0 var(--radius-inner) var(--radius-inner);font-weight:600}.picker__empty{padding:var(--space-sm);color:var(--ink-soft);font-size:14px}.tabset{min-width:0;display:flex}.tabset__tab{align-items:center;gap:var(--space-xs);color:var(--ink-soft);font:inherit;white-space:nowrap;cursor:pointer;transition:color var(--dur-fast) ease, background-color var(--dur-fast) ease, border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease;background:0 0;border:0;font-weight:500;display:inline-flex}.tabset__tab:hover{color:var(--ink)}.tabset__tab:focus-visible{outline:2px solid var(--ink);outline-offset:2px}.tabset__badge{background:var(--sunken);min-width:20px;color:var(--ink-soft);text-align:center;font-variant-numeric:tabular-nums;border-radius:9999px;padding:0 6px;font-size:12px;line-height:18px}.tabset--underline{gap:var(--space-xs);border-bottom:1px solid var(--border);scrollbar-width:none;overflow-x:auto}.tabset--underline .tabset__tab{padding:var(--space-sm) var(--space-md);border-bottom:2px solid #0000;margin-bottom:-1px}.tabset--underline .tabset__tab[aria-selected=true]{border-bottom-color:var(--route);color:var(--ink)}.tabset--segmented{border-radius:var(--radius);background:var(--sunken);gap:2px;padding:4px;display:inline-flex}.tabset--segmented .tabset__tab{border-radius:var(--radius-inner);height:32px;padding:0 14px;font-size:14px;font-weight:600}.tabset--segmented .tabset__tab[aria-selected=true]{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px #0f1a2a1f}.tabset--segmented .tabset__tab[aria-selected=true] .icon{color:var(--route)}.tabset__tab[aria-selected=true] .tabset__badge{background:var(--route);color:var(--on-route)}.toast{bottom:calc(var(--space-lg) + env(safe-area-inset-bottom,0px));z-index:70;align-items:center;gap:var(--space-sm);max-width:calc(100vw - 2 * var(--space-md));padding:var(--space-sm) var(--space-sm) var(--space-sm) var(--space-md);border-radius:var(--radius);background:var(--ink);color:var(--surface);box-shadow:var(--shadow-overlay);animation:rise-in var(--dur) var(--ease);margin:0;font-size:14px;display:flex;position:fixed;left:50%;translate:-50%}.toast>.icon{color:var(--route)}.toast__text{min-width:0}.toast__action{align-items:center;gap:var(--space-xs);min-height:32px;padding:0 var(--space-sm);border-radius:var(--radius-inner);color:var(--route);font:inherit;cursor:pointer;background:0 0;border:0;font-weight:600;display:inline-flex}.toast__action:hover{background:color-mix(in srgb, var(--surface) 12%, transparent)}.toast__action:focus-visible,.toast .toast__close:focus-visible{outline:2px solid var(--surface);outline-offset:1px}.toast .toast__close{color:inherit}.toast .toast__close:hover{background:color-mix(in srgb, var(--surface) 12%, transparent);color:inherit}.check-draw{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;--len:14;stroke-dasharray:var(--len);flex:none}.saved-tick{min-height:1lh;display:inline-flex}.saved-tick__body{align-items:center;gap:var(--space-xs);color:var(--complete);animation:fade-in var(--dur-fast) ease, fade-in var(--dur) ease 1.5s reverse forwards;font-size:13px;font-weight:600;display:inline-flex}.saved-tick__body .check-draw{animation:draw-check .36s var(--ease) 80ms backwards}.copy-button{align-items:center;gap:var(--space-sm);display:inline-flex}.expander>summary{align-items:center;gap:var(--space-xs);cursor:pointer;width:fit-content;font-weight:600;list-style:none;display:flex}.expander>summary::-webkit-details-marker{display:none}.expander>summary .icon{color:var(--ink-soft);transition:transform var(--dur) var(--ease);transform:rotate(-90deg)}.expander[open]>summary .icon{transform:none}.expander>summary:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:var(--radius-inner)}.expander__body{gap:var(--space-md);padding-top:var(--space-md);animation:rise-in var(--dur) var(--ease);display:grid}.expander--danger{padding:var(--space-md);border:1px solid color-mix(in srgb, var(--mistake) 40%, var(--border));border-radius:var(--radius)}.expander--danger>summary,.expander--danger>summary .icon{color:var(--mistake)}.load-more{place-self:center}.route-track{--node:24px;--node-top:var(--space-md);--stop-gap:var(--space-md);margin:0;padding:0;list-style:none}.route-track--compact{--node-top:0px;--stop-gap:var(--space-sm)}.route-track__stop{gap:var(--space-md);padding-bottom:var(--stop-gap);display:flex;position:relative}.route-track__stop:not(:last-child):after{content:"";left:calc(var(--node) / 2 - 1px);top:calc(var(--node-top) + var(--node));bottom:calc(-1 * var(--node-top));background:var(--border);border-radius:2px;width:2px;position:absolute}.route-track__stop--done:not(:last-child):after{background:var(--complete)}.route-track__stop:has(+.route-track__stop--current):after{left:calc(var(--node) / 2 - 1.5px);background:var(--route);width:3px}.route-track__node{z-index:1;width:var(--node);height:var(--node);margin-top:var(--node-top);background:var(--sunken);border:1px solid var(--border);color:var(--on-accent);border-radius:50%;flex:none;place-items:center;display:grid;position:relative}.route-track__stop--done .route-track__node{background:var(--complete);border-color:var(--complete)}.route-track__stop--current .route-track__node{background:var(--surface);border:3px solid var(--route)}.route-track__stop--current .route-track__node:after{content:"";background:var(--ink);border-radius:50%;width:6px;height:6px}.route-track__body{flex:1;min-width:0}.route-track__stop--plain .route-track__node,.route-track__stop--inherited .route-track__node{background:var(--surface);border:1.5px solid var(--ink-soft)}.route-track__stop--swapped .route-track__node{background:var(--route);border:1.5px solid var(--ink)}.route-track__stop--added .route-track__node{background:var(--ai);border:1.5px solid var(--ink)}.route-track__stop--removed .route-track__node{border:1.5px dashed var(--ink-soft);background:0 0}.route-track__stop:has(+.route-track__stop--swapped):after{left:calc(var(--node) / 2 - 1.5px);background:var(--route);width:3px}.route-track__stop:has(+.route-track__stop--added):after{left:calc(var(--node) / 2 - 1.5px);background:var(--route);width:3px}.route-track__stop:has(+.route-track__stop--added):after{background:var(--ai)}.route-track__stop--removed:after{background:repeating-linear-gradient(to bottom, var(--border-strong) 0 4px, transparent 4px 8px)}.route-track__stop:has(+.route-track__stop--removed):after{background:repeating-linear-gradient(to bottom, var(--border-strong) 0 4px, transparent 4px 8px)}.search-dialog{margin:12vh auto auto}.search-dialog .dialog__panel{max-height:min(76vh,640px)}.search{--search-inset:var(--space-md);--search-icon:20px;--search-text:calc(var(--search-inset) + var(--search-icon) + var(--space-sm));flex-direction:column;min-height:0;display:flex}.search__field{align-items:center;gap:var(--space-sm);height:56px;padding:0 var(--space-md) 0 var(--search-inset);border-bottom:1px solid var(--border);color:var(--ink-soft);display:flex}.search__field>.icon{width:var(--search-icon)}.search__input{min-width:0;color:var(--ink);font:inherit;background:0 0;border:0;outline:none;flex:1;font-size:17px}.search__kbd{border:1px solid var(--border);border-radius:var(--radius-inner);font:11px/18px var(--font-ui);color:var(--ink-soft);padding:0 6px}.search__close{display:none}.search__list{padding:var(--space-xs);margin:0;list-style:none;overflow-y:auto}.search__group{padding:var(--space-sm) var(--space-sm) var(--space-xs) calc(var(--search-text) - var(--space-xs));color:var(--ink-soft)}.search__option{grid-template-columns:var(--search-icon) minmax(0, 1fr);column-gap:var(--space-sm);padding:var(--space-sm) var(--space-sm) var(--space-sm) calc(var(--search-inset) - var(--space-xs));border-radius:var(--radius-inner);cursor:pointer;align-items:center;display:grid}.search__option .icon{color:var(--ink-soft);grid-row:span 2;justify-self:center}.search__option[aria-selected=true]{background:var(--sunken)}.search__title{text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:500;overflow:hidden}.search__meta{color:var(--ink-soft);text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.search__all{margin-top:var(--space-xs);border-top:1px solid var(--border);border-radius:0 0 var(--radius-inner) var(--radius-inner)}.search__empty{padding:var(--space-sm) var(--space-sm) var(--space-sm) calc(var(--search-text) - var(--space-xs));color:var(--ink-soft);font-size:13px}@media (width<=767px){.dialog.search-dialog{width:100vw;height:100dvh;margin:0}.search-dialog .dialog__panel{border-width:0;border-radius:0;height:100%;max-height:none}.search__kbd{display:none}.search__close{display:inline-grid}}.shell{--topbar-height:48px;--rail-width:64px;--edge-gutter:16px;min-height:100vh}.nav{z-index:30;gap:var(--space-md);width:var(--rail-width);padding:var(--space-sm) var(--space-sm) var(--space-md);background:var(--rail);border-right:1px solid var(--border);flex-direction:column;display:flex;position:fixed;inset:0 auto 0 0}.nav--expanded{width:260px;box-shadow:var(--shadow-overlay);animation:fade-in var(--dur-fast) ease}.nav__top{align-items:center;gap:var(--space-xs);flex-direction:column;display:flex}.nav--expanded .nav__top{padding-left:var(--space-xs);flex-direction:row}.nav__brand{border-radius:var(--radius);background:var(--route);width:36px;height:36px;color:var(--on-route);flex:none;place-items:center;display:grid}.nav__wordmark{margin-left:var(--space-sm);letter-spacing:-.01em;flex:1;font-weight:600;display:none}.nav__group{flex-direction:column;gap:2px;display:flex}.nav__group--end{margin-top:auto}.nav__link{align-items:center;gap:var(--space-md);border-radius:var(--radius);width:100%;height:40px;color:var(--ink-soft);font:inherit;text-align:left;white-space:nowrap;cursor:pointer;transition:background-color var(--dur-fast) ease, color var(--dur-fast) ease;background:0 0;border:0;padding:0 12px;font-size:14px;font-weight:500;text-decoration:none;display:flex;position:relative}.nav__link:hover{background:var(--rail-active);color:var(--ink)}.nav__link:focus-visible{outline:2px solid var(--ink);outline-offset:-2px}.nav__link.active{background:var(--rail-active);color:var(--ink)}.nav__link.active:before{content:"";top:8px;bottom:8px;left:calc(-1 * var(--space-sm));background:var(--route);border-radius:0 3px 3px 0;width:3px;position:absolute}.nav__label{display:none}.nav__kbd{border:1px solid var(--border);border-radius:var(--radius-inner);font:11px/18px var(--font-ui);color:var(--ink-soft);margin-left:auto;padding:0 6px;display:none}.nav--expanded .nav__kbd,.nav--expanded .nav__label,.nav--expanded .nav__wordmark{display:inline}.nav-edge{top:0;bottom:0;left:var(--rail-width);z-index:31;width:16px;color:var(--ink-soft);pointer-events:none;background:0 0;border:0;place-items:center start;padding:0;display:grid;position:fixed}.nav--expanded+.nav-edge{left:260px}.nav-edge:focus-visible{outline:none}.nav-edge__tab{border:1px solid var(--border);border-radius:0 var(--radius) var(--radius) 0;background:var(--rail);cursor:pointer;pointer-events:auto;width:16px;height:48px;transition:height var(--dur) var(--ease), width var(--dur) var(--ease), background-color var(--dur-fast) ease, border-color var(--dur-fast) ease, color var(--dur-fast) ease;border-left:0;place-items:center;display:grid}.nav-edge__tab:hover,.nav-edge:focus-visible .nav-edge__tab{border-color:var(--route);background:var(--route);width:18px;height:72px;color:var(--on-route)}.nav-edge__tab .icon{width:14px;height:14px}.nav-edge:focus-visible .nav-edge__tab{outline:2px solid var(--ink);outline-offset:2px}.account,.account__trigger{width:100%}.account__trigger{padding:0 9.5px}.account__avatar{border:1px solid var(--border);background:var(--sunken);width:28px;height:28px;color:var(--ink);letter-spacing:.02em;border-radius:50%;flex:none;place-items:center;font-size:11px;font-weight:700;display:grid}.account__name{text-overflow:ellipsis;overflow:hidden}.account__count{background:color-mix(in srgb, var(--waiting) 12%, transparent);min-width:20px;color:var(--waiting);text-align:center;border-radius:9999px;padding:0 6px;font-size:12px;font-weight:600}.nav__dot{background:var(--waiting);width:8px;height:8px;box-shadow:0 0 0 2px var(--rail);border-radius:50%;position:absolute;top:6px;left:33.5px}.scrim{z-index:25;position:fixed;inset:0}.frame{margin-left:var(--rail-width);min-width:0}.pagebar{z-index:20;align-items:center;gap:var(--space-md);height:var(--topbar-height);padding:0 var(--margin);background:var(--ground);border-bottom:1px solid var(--border);display:flex;position:sticky;top:0}.pagebar:after{content:"";background:var(--route);opacity:0;pointer-events:none;height:2px;transition:opacity var(--dur) var(--ease);position:absolute;inset:auto 0 -1px}.pagebar--busy:after{opacity:1;transition-delay:.15s}.frame--flush .pagebar{padding:0 var(--space-md);background:var(--surface)}.pagebar .pagebar__menu{display:none}.pagebar__inline{align-items:center;gap:var(--space-sm);min-width:0;display:flex}.pagebar__actions{align-items:center;gap:var(--space-sm);margin-left:auto;display:flex}.pagebar__actions:empty{display:none}.pagebar__actions .button{white-space:nowrap}.crumbs{min-width:0;overflow:hidden}.crumbs ol{white-space:nowrap;align-items:center;margin:0;padding:0;font-size:14px;list-style:none;display:flex}.crumb{align-items:center;min-width:0;display:flex}.crumb+.crumb:before{content:"";width:16px;height:16px;margin:0 var(--space-xs);background:var(--ink-soft);opacity:.6;flex:none;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 -960 960 960'%3E%3Cpath d='M504-480 320-664l56-56 240 240-240 240-56-56 184-184Z'/%3E%3C/svg%3E") 50%/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 -960 960 960'%3E%3Cpath d='M504-480 320-664l56-56 240 240-240 240-56-56 184-184Z'/%3E%3C/svg%3E") 50%/contain no-repeat}.crumb a{text-overflow:ellipsis;padding:2px var(--space-xs);border-radius:var(--radius-inner);color:var(--ink-soft);text-decoration:none;overflow:hidden}.crumb a:hover{background:var(--sunken);color:var(--ink)}.crumb a:focus-visible{outline:2px solid var(--ink);outline-offset:1px}.crumb [aria-current=page]{padding:2px var(--space-xs);color:var(--ink);text-overflow:ellipsis;font-weight:600;overflow:hidden}.crumb:last-child{flex-shrink:1}.stage{padding:var(--margin)}.stage--flush{padding:0}@media (width<=767px){.shell{--rail-width:0px;--edge-gutter:0px}.nav{width:260px;transform:translate(-100%)}.nav--expanded{animation:slide-in-left var(--dur) var(--ease);transform:none}.nav-edge{display:none}.nav .nav__label,.nav .nav__wordmark{display:inline}.nav .nav__kbd{display:none}.nav__top{padding-left:var(--space-xs);flex-direction:row}.scrim{background:var(--backdrop)}.pagebar,.frame--flush .pagebar{gap:var(--space-sm);padding:0 var(--space-sm)}.pagebar .pagebar__menu{display:inline-grid}.crumb:not(:nth-last-child(-n+2)),.crumb:nth-last-child(2):before{display:none}.crumb:nth-last-child(2){flex-shrink:3}}:root[data-focus] .nav,:root[data-focus] .nav-edge,:root[data-focus] .pagebar{display:none}:root[data-focus] .frame{margin-left:0}.auth{min-height:100vh;padding:var(--margin);place-items:center;display:grid}.auth__panel{gap:var(--space-md);width:100%;max-width:380px;padding:var(--space-lg);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);display:grid}.auth__brand{color:var(--ink-soft);font-weight:700}.auth__title{font-size:24px;font-weight:600;line-height:32px}.auth__form{gap:var(--space-md);display:grid}.auth__hint{color:var(--ink-soft)}.auth__error{color:var(--mistake);font-size:13px}.auth__links{justify-content:space-between;gap:var(--space-sm);flex-wrap:wrap;font-size:13px;display:flex}.home{gap:var(--space-xl);max-width:1120px;margin:0 auto;display:grid}.home__greeting{gap:var(--space-xs);display:grid}.continue{gap:var(--space-xl);padding:var(--space-lg);background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--route);border-radius:var(--radius);grid-template-columns:minmax(0,1fr) 320px;display:grid}.continue--tutor{grid-template-columns:1fr}.continue__main{align-content:start;justify-items:start;gap:var(--space-sm);display:grid}.continue__step{font-family:var(--font-reading);font-size:16px;line-height:26px}.continue__meta{gap:var(--space-xs);margin:var(--space-sm) 0 0;color:var(--ink-soft);padding:0;list-style:none;display:grid}.continue__meta li{align-items:center;gap:var(--space-sm);display:flex}.continue__actions{gap:var(--space-sm);margin-top:var(--space-md);flex-wrap:wrap;display:flex}.continue__route{align-content:start;gap:var(--space-md);padding:var(--space-md);background:var(--ground);border-radius:var(--radius);display:grid}.continue__route-head,.continue__route-foot{justify-content:space-between;display:flex}@media (width<=899px){.continue{gap:var(--space-lg);grid-template-columns:1fr}}.route__text{min-width:0;display:grid}.route__title{align-items:center;gap:var(--space-xs);font-weight:500;display:flex}.route-track__stop--current .route__title{font-weight:600}.section-head{justify-content:space-between;align-items:center;gap:var(--space-md);margin-bottom:var(--space-md);display:flex}.due__list{gap:var(--space-md);grid-template-columns:repeat(auto-fill,minmax(280px,1fr));margin:0;padding:0;list-style:none;display:grid}.due__item{justify-content:space-between;gap:var(--space-md);padding:var(--space-md);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--ink-soft);display:flex}.due__title{margin:var(--space-xs) 0;color:var(--ink);font-weight:600}.due__title a{color:inherit;text-decoration:none}.due__title a:hover{text-decoration:underline}.cards{gap:var(--space-md);grid-template-columns:repeat(auto-fill,minmax(280px,1fr));margin:0;padding:0;list-style:none;display:grid}.card{gap:var(--space-sm);padding:var(--space-lg);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);grid-template-rows:auto auto auto 1fr auto;grid-template-columns:minmax(0,1fr);display:grid}.card__top{justify-content:space-between;align-items:center;min-height:24px;display:flex}.card__title{font-size:17px;font-weight:600;line-height:24px}.card__foot{justify-content:space-between;align-items:center;gap:var(--space-sm);padding-top:var(--space-sm);border-top:1px solid var(--border);display:flex}.card__foot .button{flex:none;margin-left:auto}.card__next{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.choices{gap:var(--space-md);grid-template-columns:repeat(auto-fit,minmax(260px,1fr));display:grid}.choice{gap:var(--space-sm);padding:var(--space-lg);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-decoration:none;display:grid}.choice:hover{border-color:var(--route)}.choice:focus-visible{outline:2px solid var(--ink);outline-offset:2px}.explore{gap:var(--space-lg);grid-template-columns:minmax(0,1fr);max-width:1120px;margin:0 auto;display:grid}.explore__head{justify-content:space-between;align-items:center;gap:var(--space-md);padding-bottom:var(--space-md);flex-wrap:nowrap;display:flex}.explore__head>:first-child{min-width:0}.explore__new{flex:none}.explore__tabs{margin-bottom:var(--space-md)}.explore__sub{margin-top:var(--space-xs);font-family:var(--font-reading);color:var(--ink-soft)}.explore__controls{gap:var(--space-md);grid-template-columns:minmax(0,1fr);display:grid}.explore__search{align-items:center;gap:var(--space-sm);min-height:44px;padding:0 var(--space-md);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--ink-soft);display:flex}.explore__search:focus-within{border-color:var(--route);box-shadow:0 0 0 1px var(--route)}.explore__input{min-width:0;color:var(--ink);font:inherit;background:0 0;border:0;flex:1}.explore__input:focus{outline:none}.explore__filters{gap:var(--space-sm);flex-wrap:wrap;display:flex}.explore__sort{min-width:13.5em;margin-left:auto}.explore__filter .picker__button{border-color:var(--border);max-width:260px}.explore__filter .picker__value{font-weight:500}.explore__results{align-content:start;gap:var(--space-md);min-height:200px;display:grid}.explore__results[aria-busy=true] .xcards{opacity:.6}.explore__state{justify-items:start;gap:var(--space-md);padding:var(--space-xl) 0;display:grid}.xcards{gap:var(--space-md);margin:0;padding:0;list-style:none;display:grid}.xcard{gap:var(--space-md);padding:var(--space-lg);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);display:grid}.xcard__head{justify-content:space-between;align-items:flex-start;gap:var(--space-md);display:flex}.xcard__titles{gap:var(--space-xs);min-width:0;display:grid}.xcard__tags{align-items:center;gap:var(--space-sm);flex-wrap:wrap;display:flex}.tag--canonical{color:var(--complete);background:0 0;padding:0}.xcard__title{text-decoration:none}.xcard__title:hover{text-decoration:underline}.xcard__author{color:inherit;text-decoration:none}.xcard__author:hover{color:var(--ink);text-decoration:underline}.xcard__open{flex:none}.xcard__desc{-webkit-line-clamp:2;font-family:var(--font-reading);color:var(--ink-soft);-webkit-box-orient:vertical;line-height:24px;display:-webkit-box;overflow:hidden}.xcard__facts{align-items:center;gap:0 var(--space-xs);flex-wrap:wrap;display:flex}.metrics{gap:var(--space-md);padding:var(--space-md);background:var(--ground);border-radius:var(--radius);grid-template-columns:repeat(4,minmax(0,1fr));margin:0;display:grid}.metrics dt{color:var(--ink-soft);font-size:12px}.metrics dd{margin:0;font-weight:600}.metrics .t-soft{font-size:13px;font-weight:400}.completion{align-items:center;gap:var(--space-sm);color:var(--complete);display:inline-flex}.completion__bar{width:56px;display:block}.completion__bar .bar__fill{background:var(--complete);display:block}.xcard__forks{padding-top:var(--space-md);border-top:1px solid var(--border)}.forks__toggle{align-items:center;gap:var(--space-sm);min-height:32px;color:var(--ink);font:inherit;cursor:pointer;background:0 0;border:0;padding:0;font-weight:500;display:inline-flex}.forks__chevron{display:inline-flex}.forks__chevron--open{transform:rotate(180deg)}.forks__list{gap:var(--space-sm);margin:var(--space-sm) 0 0;padding:0;list-style:none;display:grid}.fork{justify-content:space-between;gap:var(--space-md);padding:var(--space-sm) 0 var(--space-sm) var(--space-md);border-left:2px solid var(--route);display:flex}.fork__main{gap:2px;min-width:0;display:grid}.fork__title{font-weight:600;text-decoration:none}.fork__title:hover{text-decoration:underline}.fork__reason{font-family:var(--font-reading);font-style:italic}@media (width<=767px){.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.xcard__open{display:none}.xcard{padding:var(--space-md)}}.explore__new[data-off]{visibility:hidden}.pathpage{gap:var(--space-xl);grid-template-columns:minmax(0,1fr);max-width:880px;margin:0 auto;display:grid}.pathpage__back{align-items:center;gap:var(--space-xs);color:var(--ink-soft);justify-self:start;text-decoration:none;display:inline-flex}.pathpage__back:hover{color:var(--ink)}.phead{justify-items:start;gap:var(--space-sm);display:grid}.phead__forked{align-items:center;gap:var(--space-xs);color:var(--ink-soft);display:inline-flex}.phead__title{align-items:flex-start;gap:var(--space-sm);display:flex}.phead__title .icon-button{flex:none;width:40px;height:40px}.phead__tag{margin-top:var(--space-sm)}.phead__facts{align-items:center;gap:var(--space-xs) var(--space-md);flex-wrap:wrap;display:flex}.phead__reason{font-family:var(--font-reading);color:var(--ink-soft);font-style:italic}.phead__desc{max-width:68ch;font-family:var(--font-reading);font-size:16px;line-height:26px}.phead__actions{align-items:center;gap:var(--space-sm);margin-top:var(--space-md);flex-wrap:wrap;display:flex}.phead__error{flex-basis:100%}.progress{gap:var(--space-sm);margin-top:var(--space-md);padding:var(--space-md);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);justify-self:stretch;display:grid}.progress__head{justify-content:space-between;gap:var(--space-md);display:flex}.progress__bar{height:6px}.progress__bar .bar__fill{background:var(--complete);display:block}.panel{gap:var(--space-md);padding:var(--space-lg);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);display:grid}.waiting{border-left:3px solid var(--waiting)}.waiting__list{gap:var(--space-md);margin:0;padding:0;list-style:none;display:grid}.waiting__item{justify-content:space-between;gap:var(--space-md);flex-wrap:wrap;display:flex}.waiting__item+.waiting__item{padding-top:var(--space-md);border-top:1px solid var(--border)}.waiting__main{gap:var(--space-xs);flex:320px;min-width:0;display:grid}.waiting__actions{align-items:start;gap:var(--space-sm);display:flex}.leaving__form,.prate{gap:var(--space-md);display:grid}.leaving__reasons{gap:var(--space-sm);border:0;flex-wrap:wrap;margin:0;padding:0;display:flex}.leaving__reasons legend{margin-bottom:var(--space-sm)}.choice-chip{align-items:center;gap:var(--space-xs);min-height:32px;padding:0 var(--space-md);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;font-size:13px;display:inline-flex}.choice-chip:has(input:checked){border-color:var(--ink);background:var(--sunken)}.choice-chip input{margin:0}.leaving__foot,.prate__foot{align-items:center;gap:var(--space-sm);flex-wrap:wrap;display:flex}.leaving__note,.prate__review,.cform__text{padding:var(--space-sm) var(--space-md);resize:vertical}.prate__locked{padding:var(--space-md) 0}.prate__stars{gap:var(--space-xs);border:0;margin:0;padding:0;display:flex}.prate__star{border-radius:var(--radius);width:40px;height:40px;color:var(--border-strong);cursor:pointer;place-items:center;display:grid}.prate__star .icon{width:28px;height:28px}.prate__star--on{color:var(--ink)}.prate__star:has(input:focus-visible){outline:2px solid var(--ink);outline-offset:2px}.psteps{gap:var(--space-xl);display:grid}.psection{gap:var(--space-md);display:grid}.psection__head{justify-content:space-between;align-items:baseline;gap:var(--space-xs) var(--space-md);font:inherit;flex-wrap:wrap;margin:0;display:flex}.stop__card{gap:var(--space-xs);min-width:0;padding:var(--space-md);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex:1;display:grid}.stop__card--current{border-left:3px solid var(--route)}.stop__top{justify-content:space-between;gap:var(--space-sm);display:flex}.stop__meta{align-items:center;gap:0 var(--space-sm);flex-wrap:wrap;display:flex}.stop__format{align-items:center;gap:var(--space-xs);display:inline-flex}.stop__status{align-items:center;gap:var(--space-xs);color:var(--complete);flex:none;display:inline-flex}.stop__status--current{color:var(--ink)}.stop__title{font-size:17px;font-weight:600;line-height:24px}.stop__title a{text-decoration:none}.stop__title a:hover{text-decoration:underline}.stop__why{font-family:var(--font-reading);color:var(--ink-soft)}.stop__extra{margin-top:var(--space-xs)}.disclosure{align-items:center;gap:var(--space-sm);min-height:32px;color:var(--ink-soft);font:inherit;cursor:pointer;background:0 0;border:0;padding:0;display:inline-flex}.disclosure:hover,.disclosure[aria-expanded=true]{color:var(--ink)}.disclosure:focus-visible{outline:2px solid var(--ink);outline-offset:2px}.stop__top{align-items:flex-start}.stop__meta{flex:1}.stop__comments{flex:none;margin:-6px -8px -6px 0}.disclosure__chevron{display:inline-flex}.disclosure__chevron--open{transform:rotate(180deg)}.alts{gap:var(--space-sm);margin:var(--space-xs) 0 0;padding:0;list-style:none;display:grid}.alt{justify-content:space-between;gap:var(--space-md);padding:var(--space-sm) 0 var(--space-sm) var(--space-md);border-left:2px solid var(--route);display:flex}.alt__main{gap:2px;min-width:0;display:grid}.alt__title{font-weight:600;text-decoration:none}.alt__title:hover{text-decoration:underline}.alt__reason{font-family:var(--font-reading);font-style:italic}.thread{gap:var(--space-md);margin-top:var(--space-xs);padding:var(--space-md);background:var(--ground);border-radius:var(--radius);display:grid}.comments{gap:var(--space-md);margin:0;padding:0;list-style:none;display:grid}.comment{gap:2px;display:grid}.comment__author{color:var(--ink)}.comment__kind{align-items:center;gap:var(--space-xs);color:var(--mistake);display:inline-flex}.cform{gap:var(--space-sm);display:grid}.cform .picker{justify-self:start}.cform__foot{align-items:center;gap:var(--space-sm);flex-wrap:wrap;display:flex}.tree{gap:var(--space-sm);margin:0;padding:0;list-style:none;display:grid}.tree__node{margin-left:calc(var(--depth) * var(--space-lg));align-items:flex-start;gap:var(--space-sm);padding:var(--space-md);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);display:flex}.tree__node--current{border-left:3px solid var(--route)}.tree__node>.icon{color:var(--ink-soft);margin-top:3px}.tree__main{flex:1;gap:2px;min-width:0;display:grid}.tree__main .tag{margin-left:var(--space-sm)}.tree__title{font-weight:600;text-decoration:none}.tree__title:hover{text-decoration:underline}@media (width<=767px){.panel{padding:var(--space-md)}.stop__card{padding:var(--space-sm) var(--space-md)}.alt{gap:var(--space-xs);flex-direction:column}.tree__node{margin-left:calc(min(var(--depth), 3) * var(--space-md))}}.published{align-items:center;gap:var(--space-md);padding:var(--space-lg) var(--space-md) var(--space-md) var(--space-lg);border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);animation:rise-in var(--dur) var(--ease);flex-wrap:wrap;display:flex;position:relative;overflow:hidden}.published>.icon{color:var(--route)}.published__text{flex:16rem;min-width:0}.published__route{top:6px;left:var(--space-lg);right:var(--space-lg);width:calc(100% - 2 * var(--space-lg));fill:none;height:14px;stroke:var(--route);stroke-width:4px;stroke-linecap:round;position:absolute;overflow:visible}.published__route path{--len:1;stroke-dasharray:1;animation:route-draw 1.2s var(--ease) .15s backwards}.published__stop{top:7px;right:calc(var(--space-lg) - 6px);border:1.5px solid var(--ink);background:var(--route);width:12px;height:12px;animation:node-pop .5s var(--ease) 1.25s backwards;border-radius:50%;position:absolute}.learn{--scrub-width:calc(28px + 2 * var(--edge-gutter,0px));--tint:color-mix(in srgb, var(--sunken) 55%, var(--ground));grid-template-columns:var(--scrub-width) minmax(0, 1fr) 0px;transition:grid-template-columns var(--dur) var(--ease);height:calc(100vh - var(--topbar-height,0px));height:calc(100dvh - var(--topbar-height,0px));background:var(--ground);grid-template-rows:minmax(0,1fr) auto;grid-template-areas:"scrub main notes""bar bar bar";display:grid;overflow-x:clip}.learn--scrubber{--scrub-width:320px}.learn--docked{grid-template-columns:var(--scrub-width) minmax(0, 1fr) 380px}.learn--snap{transition:none}.learn__status{padding:var(--margin)}.learn__pos{align-items:center;gap:var(--space-sm);min-width:0;display:flex}.learn__pill{align-items:center;gap:var(--space-sm);padding:var(--space-xs) var(--space-md);background:var(--tint,var(--sunken));white-space:nowrap;border-radius:9999px;display:inline-flex}.learn__dot{background:var(--route);border-radius:50%;width:8px;height:8px}.learn__section{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.learn__tools{justify-content:flex-end;align-items:center;gap:var(--space-xs);display:flex}.learn__notes-btn,.learn__tool{align-items:center;gap:var(--space-xs);min-height:34px;padding:0 var(--space-sm);border-radius:var(--radius);background:var(--tint);color:var(--ink);font:inherit;cursor:pointer;border:1px solid #0000;font-weight:500;display:inline-flex}.learn__tool{color:var(--ink-soft);background:0 0}.learn__notes-btn:hover,.learn__tool:hover{background:var(--sunken);color:var(--ink)}.learn__notes-btn.is-on{border-color:var(--border-strong);background:var(--surface)}.learn__notes-btn:focus-visible,.learn__tool:focus-visible{outline:2px solid var(--ink);outline-offset:2px}.learn__count,.notes__count{background:var(--ink);min-width:18px;height:18px;color:var(--surface);border-radius:9999px;place-items:center;padding:0 5px;font-size:11px;font-weight:700;display:inline-grid}.scrub{--scrub-inset:calc(var(--space-sm) + var(--edge-gutter,0px));border-right:1px solid var(--border);background:var(--tint);flex-direction:column;grid-area:scrub;min-width:0;min-height:0;display:flex}.scrub__head{justify-content:center;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-xs);display:flex}.scrub--open{width:var(--scrub-width);justify-self:end}.scrub--open .scrub__head{margin:0 var(--scrub-inset);padding:var(--space-md) var(--space-xs) var(--space-sm);border-bottom:1px solid var(--border);justify-content:space-between}.scrub__label{align-items:center;gap:var(--space-xs);display:inline-flex}.scrub__where{border-radius:var(--radius-inner);background:var(--sunken);color:var(--ink-soft);font-variant-numeric:tabular-nums;margin-left:auto;padding:1px 6px;font-size:11px;font-weight:600}.scrub__toggle{border-radius:var(--radius-inner);width:24px;height:24px;color:var(--ink-soft);cursor:pointer;background:0 0;border:0;place-items:center;display:inline-grid}.scrub__toggle:hover{background:var(--sunken);color:var(--ink)}.scrub__list{min-height:0;padding:var(--space-sm) var(--scrub-inset) var(--space-md);flex:1;margin:0;list-style:none;overflow-y:auto}.scrub__stop{position:relative}.scrub--open .scrub__stop:before,.scrub--open .scrub__section:before{content:"";top:0;bottom:0;left:calc(var(--space-sm) + 11px);background:var(--border-strong);width:2px;position:absolute}.scrub--open .scrub__list>.scrub__stop:first-child:before,.scrub--open .scrub__section:first-child+.scrub__stop:before{top:50%}.scrub--open .scrub__section:first-child:before{display:none}.scrub--open .scrub__stop:last-child:before{bottom:50%}.scrub--open .scrub__stop--done:before{background:var(--route)}.scrub--open .scrub__section:has(+.scrub__stop--done):before{background:var(--route)}.scrub--open .scrub__section:has(+.scrub__stop--current):before{background:var(--route)}.scrub--open .scrub__stop--current:before{background:linear-gradient(var(--route) 50%, var(--border-strong) 50%)}.scrub--open .scrub__stop--current[data-done]:before{background:var(--route)}.scrub--open .scrub__stop--current[data-done]+.scrub__stop:before{background:linear-gradient(var(--route), var(--route)) top / 100% 50% no-repeat, var(--border-strong)}.scrub--open .scrub__stop--current[data-just-done]+.scrub__stop:before{animation:scrub-flow .6s var(--ease) .35s backwards}@keyframes scrub-flow{0%{background-size:100% 0,auto}}.scrub__section{padding:var(--space-md) var(--space-sm) var(--space-xs) calc(var(--space-sm) + 34px);color:var(--ink-soft);position:relative}.scrub__section:first-child{padding-top:var(--space-xs)}.scrub__item{align-items:center;gap:var(--space-sm);min-height:40px;padding:4px var(--space-sm);border-radius:var(--radius);color:var(--ink);transition:background-color var(--dur-fast) ease;text-decoration:none;display:flex;position:relative}.scrub__item:hover{background:color-mix(in srgb, var(--ink) 6%, transparent)}.scrub__item:focus-visible{outline:2px solid var(--ink);outline-offset:-2px}.scrub--open .scrub__stop--current .scrub__item{background:var(--surface);box-shadow:inset 0 0 0 1px var(--border-strong)}.scrub__node{z-index:1;border:1.5px solid var(--border-strong);background:var(--surface);width:24px;height:24px;color:var(--ink-soft);font-variant-numeric:tabular-nums;border-radius:50%;flex:none;place-items:center;font-size:11px;font-weight:600;display:inline-grid;position:relative}.scrub__stop--done .scrub__node{border-color:var(--complete);background:var(--complete);color:var(--on-accent)}.scrub__stop--current .scrub__node{border:2.5px solid var(--route);color:var(--ink)}.scrub__stop--current[data-done] .scrub__node{border-color:var(--complete);background:var(--complete);color:var(--on-accent)}.scrub__stop--current[data-just-done] .scrub__node{animation:node-pop .52s var(--ease)}.scrub__stop--current[data-just-done] .scrub__node .check-draw{animation:draw-check .42s var(--ease) .12s backwards}.scrub__text{align-items:baseline;gap:var(--space-sm);flex:1;min-width:0;display:flex}.scrub__title{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:14px;font-weight:500;line-height:20px;overflow:hidden}.scrub__stop--current .scrub__title{font-weight:600}.scrub__stop--upcoming .scrub__title{color:var(--ink-soft)}.scrub__meta{color:var(--ink-soft);font-variant-numeric:tabular-nums;flex:none;align-items:center;gap:4px;font-size:12px;line-height:16px;display:inline-flex}.scrub__progress{gap:var(--space-xs);margin:var(--space-sm) var(--scrub-inset);padding:var(--space-sm) var(--space-md);border-radius:var(--radius);background:var(--sunken);display:grid}.scrub__progress-row{color:var(--ink-soft);justify-content:space-between;display:flex}.scrub__percent{color:var(--complete)}.scrub__fill{background:var(--complete);transition:width .6s var(--ease)}.scrub:not(.scrub--open) .scrub__list{flex-direction:column;display:flex;overflow:hidden}.scrub:not(.scrub--open) .scrub__stop{flex:1;min-height:2px}.scrub:not(.scrub--open) .scrub__list{padding:var(--space-sm) var(--edge-gutter,0px)}.scrub:not(.scrub--open) .scrub__item{background:0 0;border:0;border-radius:0;min-height:0;margin:0;padding:0;position:absolute;inset:0}.scrub:not(.scrub--open) .scrub__text,.scrub:not(.scrub--open) .scrub__stop:not(.scrub__stop--current) .scrub__node{display:none}.scrub:not(.scrub--open) .scrub__item:before{content:"";background:var(--border);border-radius:2px;width:3px;position:absolute;top:1px;bottom:1px;left:50%;transform:translate(-50%)}.scrub:not(.scrub--open) .scrub__stop--done .scrub__item:before,.scrub:not(.scrub--open) .scrub__stop--current .scrub__item:before{background:var(--route)}.scrub:not(.scrub--open) .scrub__stop--current .scrub__node{width:12px;height:12px;margin:0;font-size:0;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.learn__main{padding:var(--space-lg) var(--margin) var(--space-xl);grid-area:main;overflow-y:auto}.learn__head>:not(h1),.learn__article>:not(.learn__head){transition:opacity var(--dur-fast) ease}.learn__main[aria-busy=true] .learn__head>:not(h1),.learn__main[aria-busy=true] .learn__article>:not(.learn__head){opacity:.3}.learn__article{gap:var(--space-lg);max-width:880px;margin-inline:auto;display:grid}.learn__head{gap:var(--space-sm);display:grid}.learn__eyebrow{align-items:center;gap:var(--space-sm);color:var(--ink-soft);display:inline-flex}.learn__eyebrow-dot{background:var(--ink-soft);border-radius:50%;width:6px;height:6px}.learn__facts{gap:var(--space-xs) var(--space-lg);margin:var(--space-xs) 0 0;padding:var(--space-sm) var(--space-md);border-radius:var(--radius);background:var(--tint);color:var(--ink-soft);flex-wrap:wrap;list-style:none;display:flex}.learn__facts li{align-items:center;gap:var(--space-xs);display:inline-flex}.learn__why{margin-top:var(--space-sm);font-family:var(--font-reading);font-size:18px;line-height:30px}.resource{gap:var(--space-xs);display:grid}.resource--article{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.resource__frame{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);width:100%;height:75dvh}.resource__frame--video{aspect-ratio:16/9;height:auto}.resource__out{align-items:center;gap:var(--space-xs);justify-self:end;display:inline-flex}.resource__card{align-items:center;gap:var(--space-md);padding:var(--space-lg);border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);flex-wrap:wrap;display:flex}.resource__card-text{gap:var(--space-xs);flex:240px;display:grid}.learn__note{padding:var(--space-md);border-radius:var(--radius);background:var(--tint)}.quiz{gap:var(--space-lg);padding:var(--space-lg);border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);display:grid}.quiz__head{align-items:center;gap:var(--space-xs) var(--space-md);grid-template-columns:1fr auto;display:grid}.quiz__head h2{align-items:center;gap:var(--space-sm);display:inline-flex}.quiz__badge{color:var(--ink-soft)}.quiz__badge--passed{color:var(--complete)}.quiz__sub{grid-column:1/-1}.quiz__questions{gap:var(--space-lg);margin:0;padding:0;list-style:none;display:grid}.quiz__q fieldset{gap:var(--space-xs);border:0;min-width:0;margin:0;padding:0;display:grid}.quiz__text{align-items:baseline;gap:var(--space-sm);margin-bottom:var(--space-sm);flex-wrap:wrap;padding:0;font-weight:500;display:flex}.quiz__mark{font-size:13px;font-weight:600}.quiz__mark--right{color:var(--complete)}.quiz__mark--wrong{color:var(--mistake)}.quiz__option{align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-radius:var(--radius);background:var(--tint);cursor:pointer;border:1px solid #0000;display:flex}.quiz__option:hover{background:var(--sunken)}.quiz__option:has(input:checked){border-color:var(--border-strong);background:var(--surface)}.quiz__option input{width:16px;height:16px;margin:0}.quiz__letter{color:var(--ink-soft);font-weight:600}.quiz__foot{justify-content:space-between;align-items:center;gap:var(--space-md);flex-wrap:wrap;display:flex}.quiz__check{min-height:36px;padding:0 var(--space-md);border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--sunken);color:var(--ink);font:inherit;cursor:pointer;font-weight:500}.quiz__check:hover:not(:disabled){background:var(--border)}.quiz__check:disabled{opacity:.6;cursor:default}.learn__bar{align-items:center;gap:var(--space-md);min-height:64px;padding:var(--space-sm) var(--margin);border-top:1px solid var(--border);background:var(--surface);grid-area:bar;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);display:grid}.learn__step{align-items:center;gap:var(--space-xs);min-width:0;color:var(--ink-soft);text-decoration:none;display:inline-flex}.learn__step:hover{color:var(--ink)}.learn__step--next{text-align:right;justify-self:end}.learn__step[aria-disabled]{opacity:.4;pointer-events:none}.learn__step-text{min-width:0;display:grid}.learn__step-title{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:600;overflow:hidden}.learn__action{align-items:center;gap:var(--space-xs);text-align:center;flex-direction:column;display:flex}.learn__primary{padding:0 var(--space-lg);font-weight:600}.learn__hint{max-width:340px}.learn__done[data-just]{animation:rise-in var(--dur) var(--ease)}.learn__done[data-just] .check-draw{animation:draw-check .42s var(--ease) .1s backwards}.learn__done{align-items:center;gap:var(--space-xs);min-height:40px;color:var(--complete);font-weight:600;display:inline-flex}.notes{right:var(--margin);z-index:10;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);width:380px;max-height:min(70vh,660px);box-shadow:var(--shadow-overlay);flex-direction:column;display:flex;position:fixed;bottom:84px}.notes[hidden]{display:none}.notes{view-transition-name:notes;transition:translate var(--dur) var(--ease), display var(--dur) allow-discrete}.notes[hidden]{translate:calc(100% + var(--margin)) 0}@starting-style{.notes{translate:calc(100% + var(--margin)) 0}}.notes--pinned{width:380px;max-height:none;box-shadow:none;border-width:0 0 0 1px;border-radius:0;grid-area:notes;justify-self:start;position:static;translate:none}.notes--pinned[hidden]{translate:none}::view-transition-group(notes){animation-duration:var(--dur);animation-timing-function:var(--ease)}@starting-style{.notes--pinned{translate:none}}.notes__head{align-items:center;gap:var(--space-sm);margin:0 var(--space-md);padding:var(--space-md) 0 var(--space-sm);border-bottom:1px solid var(--border);display:flex}.notes__spacer{flex:1}.notes__icon{align-items:center;gap:var(--space-xs);min-height:28px;padding:0 var(--space-sm);border-radius:var(--radius-inner);color:var(--ink-soft);font:inherit;cursor:pointer;background:0 0;border:0;font-size:12px;font-weight:500;display:inline-flex}.notes__icon:hover{background:var(--sunken);color:var(--ink)}.notes__body{align-content:start;gap:var(--space-md);padding:var(--space-md);display:grid;overflow-y:auto}.notes__new{gap:var(--space-sm);padding-bottom:var(--space-md);border-bottom:1px solid var(--border);display:grid}.notes__editor{padding:0}.notes .ws-rich__content .tiptap{font-size:14px;line-height:21px}.notes .ws-rich__content .tiptap h1{font-size:18px}.notes .ws-rich__content .tiptap h2{font-size:16px}.notes .ws-rich__content .tiptap h3{font-size:15px}.notes__editor .ws-rich__content .tiptap[contenteditable=true]{min-height:96px}.notes .notes__editor .ws-rich__content .tiptap{font-family:var(--font-reading);font-size:16px;line-height:26px}.note .ws-rich__content .tiptap[contenteditable=true]{min-height:0}.notes__row{align-items:center;gap:var(--space-sm);flex-wrap:wrap;display:flex}.notes__row--split{justify-content:space-between}.notes__cards{gap:var(--space-sm);margin:0;padding:0;list-style:none;display:grid}.note{padding:var(--space-sm) var(--space-md);border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}.note__body{color:var(--ink);overflow-wrap:anywhere}.quote-btn{z-index:50;align-items:center;gap:var(--space-xs);padding:var(--space-xs) var(--space-sm);border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--ink);color:var(--surface);font:500 13px var(--font-ui);cursor:pointer;display:inline-flex;position:fixed;transform:translate(-50%,-100%)}@media (pointer:coarse){.quote-btn{transform:translate(-50%)}}.note__foot{align-items:center;gap:var(--space-xs);margin-top:var(--space-xs);padding-top:var(--space-xs);border-top:1px solid var(--border);display:flex}.note__foot .t-label{flex:1}@media (hover:hover){.note .note__foot .notes__icon{opacity:0}.note:hover .note__foot .notes__icon,.note:focus-within .note__foot .notes__icon{opacity:1}}.menu{position:relative}.menu__pop{top:calc(100% + var(--space-xs));z-index:20;width:360px;max-height:70vh;padding:var(--space-xs);border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);position:absolute;right:0;overflow-y:auto}.menu__items{margin:0;padding:0;list-style:none}.menu__item{align-items:center;gap:var(--space-sm);width:100%;min-height:40px;padding:0 var(--space-md);border-radius:var(--radius-inner);color:var(--ink);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;display:flex}.menu__item:hover{background:var(--tint)}.menu__head{align-items:center;gap:var(--space-xs);margin-bottom:var(--space-sm);display:flex}.menu__empty{padding:var(--space-sm)}.menu__routes{gap:var(--space-sm);margin:0;padding:0;list-style:none;display:grid}.menu__route{justify-items:start;gap:var(--space-xs);padding:var(--space-sm) var(--space-md);border-radius:var(--radius);background:var(--tint);display:grid}.menu__route-title{font-weight:600}.menu__confirm{gap:var(--space-sm);display:grid}@media (width<=1099px){.scrub__toggle{display:none}}@media (width<=767px){.learn,.learn--docked{grid-template:"scrub"12px"main"minmax(0,1fr)"bar"/minmax(0,1fr)}.learn__section,.scrub__head{display:none}.learn__pill{padding:var(--space-xs) var(--space-sm)}.scrub{border-right:0;border-bottom:1px solid var(--border)}.scrub:not(.scrub--open) .scrub__list{padding:0 var(--space-sm);flex-direction:row}.scrub:not(.scrub--open) .scrub__stop{min-height:0}.scrub:not(.scrub--open) .scrub__item:before{width:auto;height:3px;inset:50% 1px auto;transform:translateY(-50%)}.scrub:not(.scrub--open) .scrub__stop--current .scrub__node{width:10px;height:10px}.learn__main{padding:var(--space-md) var(--margin) var(--space-xl)}.notes,.notes--pinned{border-radius:var(--radius) var(--radius) 0 0;width:auto;max-height:70dvh;box-shadow:var(--shadow-overlay);border-width:1px 0 0;position:fixed;bottom:0;left:0;right:0}.notes[hidden],.notes--pinned[hidden]{translate:0 100%}@starting-style{.notes,.notes--pinned{translate:0 100%}}.notes__pin{display:none}.menu__pop{width:calc(100vw - 2 * var(--margin))}.learn__bar{gap:var(--space-sm);padding:var(--space-sm);grid-template-columns:auto 1fr auto}.learn__step-text{display:none}.learn__hint{max-width:200px}}.learn__slot{display:contents}.learn__slot[data-moving]{visibility:hidden}