@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./inter-cyrillic-ext-wght-normal-BOeWTOD4.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:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./inter-cyrillic-wght-normal-DqGufNeO.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./inter-greek-ext-wght-normal-DlzME5K_.woff2)format("woff2-variations");unicode-range:U+1F??}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./inter-greek-wght-normal-CkhJZR-_.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:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./inter-vietnamese-wght-normal-CBcvBZtf.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:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./inter-latin-ext-wght-normal-DO1Apj_S.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:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./inter-latin-wght-normal-Dx4kXJAl.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(./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(./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(./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(./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(./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: ;--lightningcss-dark:initial;color-scheme:dark;--bg-0:#05060d;--bg-1:#080b17;--panel:#0b0f1ec7;--panel-solid:#0c1020;--panel-raised:#161c34d9;--panel-border:#8aa6ff21;--panel-border-strong:#8aa6ff42;--hairline:#ffffff12;--scrim:#03040ab8;--ink-1:#eef1fa;--ink-2:#b9c0d6;--ink-3:#8089a6;--ink-inverse:#05060d;--accent:#38e8ff;--accent-soft:#38e8ff24;--accent-glow:#38e8ff73;--backward:#ff4fd8;--backward-soft:#ff4fd824;--neg:#3987e5;--pos:#d95926;--neutral:#383835;--series-1:#3987e5;--series-2:#d95926;--series-3:#199e70;--series-4:#c98500;--series-5:#d55181;--digit-0:#3987e5;--digit-1:#d95926;--digit-2:#199e70;--digit-3:#c98500;--digit-4:#d55181;--digit-5:#008300;--digit-6:#9085e9;--digit-7:#e66767;--digit-8:#2a97b3;--digit-9:#b5793a;--good:#0ca30c;--warning:#fab219;--critical:#d03b3b;--chart-grid:#ffffff0f;--chart-axis:#ffffff2e;--chart-surface:#0b0f1e;--radius-lg:18px;--radius:14px;--radius-sm:9px;--radius-xs:6px;--gap:12px;--shadow:0 18px 50px #00000080, 0 2px 8px #00000059;--blur:blur(16px) saturate(140%);--font-ui:"Inter Variable", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono:"JetBrains Mono Variable", "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;--read-size:16.5px;--read-line:1.72;--read-width:46rem;--topbar-h:58px;--sidebar-w:300px;--q:#38e8ff;--k:#ff9f43;--v:#a78bfa;--resid:#5eead4;--grad:#ff4fd8;--ease:cubic-bezier(.22, 1, .36, 1);--t-fast:.14s;--t-med:.26s}@media (prefers-reduced-motion:reduce){:root{--t-fast:0s;--t-med:0s}}*,:before,:after{box-sizing:border-box}html,body{background:var(--bg-0);height:100%;color:var(--ink-1);font-family:var(--font-ui);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-feature-settings:"cv11", "ss01";margin:0;font-size:14px;line-height:1.5}body{background:radial-gradient(1200px 700px at 12% -10%, #38e8ff12, transparent 60%), radial-gradient(900px 600px at 110% 10%, #ff4fd80d, transparent 60%), var(--bg-0);background-attachment:fixed}button,input,select,textarea{font:inherit;color:inherit}code,pre,kbd,.tok,.code pre,.gen-text,.attn-text,.sample,.text-input{font-variant-ligatures:none;font-feature-settings:"calt" 0, "liga" 0}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}::selection{background:#38e8ff47}.num,.mono{font-family:var(--font-mono);font-variant-ligatures:none;font-variant-numeric:tabular-nums;letter-spacing:-.01em}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}kbd{border:1px solid var(--panel-border-strong);min-width:1.6em;font-family:var(--font-mono);text-align:center;color:var(--ink-2);background:#ffffff0a;border-bottom-width:2px;border-radius:5px;padding:1px 6px;font-size:.82em;display:inline-block}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#8aa6ff29 padding-box padding-box;border:2px solid #0000;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#8aa6ff4d padding-box padding-box;border:2px solid #0000}#app{min-height:100%}.topbar{z-index:50;height:var(--topbar-h);-webkit-backdrop-filter:var(--blur);border-bottom:1px solid var(--hairline);background:#05060dc7;align-items:center;gap:18px;padding:0 18px;display:flex;position:sticky;top:0}.brand{color:var(--ink-1);letter-spacing:-.02em;white-space:nowrap;align-items:center;gap:10px;font-size:17px;font-weight:720;display:flex;text-decoration:none!important}.brand .logo{flex:none;width:30px;height:30px}.brand small{color:var(--ink-3);letter-spacing:0;font-size:12px;font-weight:450}.modes{border:1px solid var(--hairline);background:#ffffff08;border-radius:12px;gap:4px;margin:0 auto;padding:4px;display:flex}.modes a{height:34px;color:var(--ink-2);transition:background var(--t-fast), color var(--t-fast);border-radius:9px;align-items:center;gap:8px;padding:0 14px;font-size:13px;font-weight:560;text-decoration:none;display:inline-flex}.modes a svg{width:16px;height:16px}.modes a:hover{color:var(--ink-1);background:#ffffff0d}.modes a.on{color:#eafcff;background:linear-gradient(#38e8ff38,#38e8ff14);box-shadow:inset 0 0 0 1px #38e8ff66}.modes a .key{font-family:var(--font-mono);color:var(--ink-3);opacity:.8;font-size:10px}.topbar-right{align-items:center;gap:4px;display:flex}.view{min-height:calc(100vh - var(--topbar-h));position:relative}.view-loading{min-height:60vh;color:var(--ink-3);place-items:center;display:grid}.spinner{border:2px solid var(--panel-border-strong);border-top-color:var(--accent);border-radius:50%;width:28px;height:28px;animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.contact-link{background:var(--accent-soft);height:30px;color:var(--ink-1);white-space:nowrap;transition:background var(--t-fast), border-color var(--t-fast);border:1px solid #38e8ff61;border-radius:999px;flex:none;align-items:center;gap:7px;margin-right:4px;padding:0 11px 0 9px;font-size:12.5px;font-weight:600;display:inline-flex;text-decoration:none!important}.contact-link:hover{border-color:var(--accent);background:#38e8ff3d}.contact-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.contact-link svg{width:16px;height:16px;color:var(--accent);flex:none}.contact-short{display:none}@media (max-width:1400px){.topbar .contact-full{display:none}.contact-short{display:inline}}@media (max-width:1180px){.contact-short{display:none}.topbar .contact-link{justify-content:center;width:30px;padding:0}}.lang-btn{font-family:var(--font-mono);letter-spacing:.04em}.about{color:var(--ink-2);gap:18px;font-size:14.5px;line-height:1.6;display:grid}.about h3{letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin:0 0 6px;font-size:12px}.about p,.about ul{margin:0}.about ul{padding-left:1.2em}.about li+li{margin-top:4px}.about .about-contact{justify-self:start}.about .fine{color:var(--ink-3);font-size:12.5px}.site-foot{border-top:1px solid var(--hairline);max-width:1180px;color:var(--ink-3);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 22px;margin:0 auto;padding:28px 28px 48px;font-size:13px;display:flex}.site-foot a{color:var(--ink-2)}@media (max-width:980px){.modes a .lbl,.modes a .key,.brand small{display:none}}@media (max-width:560px){.hide-sm{display:none!important}.topbar{gap:8px;padding:0 10px}.brand span{display:none}.modes a{padding:0 10px}}.btn{border-radius:var(--radius-sm);border:1px solid var(--panel-border-strong);height:34px;color:var(--ink-1);cursor:pointer;white-space:nowrap;transition:background var(--t-fast), border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);-webkit-user-select:none;user-select:none;background:#ffffff0a;justify-content:center;align-items:center;gap:8px;padding:0 14px;font-size:13px;font-weight:560;display:inline-flex;text-decoration:none!important}.btn:hover{background:#ffffff14;border-color:#a0beff66}.btn:active{transform:translateY(1px)}.btn:focus-visible,.seg button:focus-visible,.icon-btn:focus-visible,.chip:focus-visible,.modes a:focus-visible,.quiz-opt:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{color:#eafcff;background:linear-gradient(#38e8ff47,#38e8ff1f);border-color:#38e8ff8c;box-shadow:0 0 22px #38e8ff2e,inset 0 1px #ffffff1f}.btn.primary:hover{background:linear-gradient(#38e8ff61,#38e8ff2e)}.btn.warm{color:#fff4dc;background:linear-gradient(#fab21938,#d9592624);border-color:#fab21980}.btn.ghost{color:var(--ink-2);background:0 0;border-color:#0000}.btn.ghost:hover{color:var(--ink-1);background:#ffffff0f}.btn.sm{height:28px;padding:0 10px;font-size:12px}.btn.lg{border-radius:12px;height:44px;padding:0 22px;font-size:15px}.btn svg,.icon-btn svg{flex:none;width:16px;height:16px}.icon-btn{border-radius:var(--radius-sm);width:34px;height:34px;color:var(--ink-2);cursor:pointer;transition:background var(--t-fast), color var(--t-fast);background:0 0;border:1px solid #0000;justify-content:center;align-items:center;display:inline-flex}.icon-btn:hover{color:var(--ink-1);background:#ffffff12}.icon-btn.active{color:var(--accent);background:var(--accent-soft)}.panel{background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius-lg);box-shadow:var(--shadow);-webkit-backdrop-filter:var(--blur)}.panel-h{letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);align-items:center;gap:8px;margin:0 0 10px;font-size:11px;font-weight:650;display:flex}.panel-h svg{width:14px;height:14px}.hint{color:var(--ink-3);font-size:12.5px;line-height:1.5}.seg{border:1px solid var(--hairline);background:#ffffff0a;border-radius:10px;flex-wrap:wrap;gap:2px;padding:3px;display:inline-flex}.seg button{height:28px;color:var(--ink-2);cursor:pointer;background:0 0;border:0;border-radius:7px;align-items:center;gap:6px;padding:0 11px;font-size:12.5px;font-weight:560;display:inline-flex}.seg button svg{width:14px;height:14px}.seg button:hover{color:var(--ink-1);background:#ffffff0d}.seg button.on{color:#eafcff;background:var(--accent-soft);box-shadow:inset 0 0 0 1px #38e8ff59}.range{appearance:none;cursor:pointer;--fill:50%;background:0 0;width:100%;height:22px}.range::-webkit-slider-runnable-track{background:linear-gradient(90deg, var(--accent) var(--fill), #ffffff1a var(--fill));border-radius:4px;height:4px}.range::-moz-range-track{background:linear-gradient(90deg, var(--accent) var(--fill), #ffffff1a var(--fill));border-radius:4px;height:4px}.range::-webkit-slider-thumb{-webkit-appearance:none;border:3px solid var(--accent);width:16px;height:16px;box-shadow:0 0 12px var(--accent-glow);background:#eafcff;border-radius:50%;margin-top:-6px}.range::-moz-range-thumb{border:3px solid var(--accent);width:12px;height:12px;box-shadow:0 0 12px var(--accent-glow);background:#eafcff;border-radius:50%}.range:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}.field{gap:2px;display:grid}.field-top{color:var(--ink-2);justify-content:space-between;align-items:baseline;gap:8px;font-size:12.5px;display:flex}.field-top .num{color:var(--ink-1);font-size:12.5px}.toggle{color:var(--ink-2);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:10px;font-size:13px;display:inline-flex}.toggle input{appearance:none;cursor:pointer;width:34px;height:20px;transition:background var(--t-fast);background:#ffffff1f;border-radius:20px;flex:none;position:relative}.toggle input:after{content:"";background:var(--ink-1);width:14px;height:14px;transition:transform var(--t-fast) var(--ease);border-radius:50%;position:absolute;top:3px;left:3px}.toggle input:checked{background:var(--accent)}.toggle input:checked:after{background:var(--ink-inverse);transform:translate(14px)}.text-input,textarea.text-input,select.text-input{border-radius:var(--radius-sm);border:1px solid var(--panel-border-strong);width:100%;color:var(--ink-1);transition:border-color var(--t-fast);background:#00000040;outline:none;padding:9px 12px}.text-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}textarea.text-input{resize:vertical;min-height:70px;line-height:1.55}.chip{border:1px solid var(--panel-border-strong);height:26px;color:var(--ink-2);cursor:pointer;background:#ffffff08;border-radius:20px;align-items:center;gap:6px;padding:0 10px;font-size:12px;display:inline-flex}.chip:hover{color:var(--ink-1);border-color:#a0beff66}.chip.on{color:#eafcff;background:var(--accent-soft);border-color:#38e8ff8c}.badge{letter-spacing:.02em;color:var(--ink-2);white-space:nowrap;background:#ffffff0f;border-radius:20px;align-items:center;gap:5px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-flex}.badge.l1{color:#6ee7b7;background:#199e702e}.badge.l2{color:#fcd34d;background:#c985002e}.badge.l3{color:#f9a8d4;background:#d5518133}.tok{min-width:1.5em;font-family:var(--font-mono);color:var(--ink-1);white-space:pre;background:#38e8ff1a;border:1px solid #38e8ff40;border-radius:5px;justify-content:center;align-items:center;margin:1px;padding:1px 5px;font-size:.92em;display:inline-flex}.tok.alt{background:#ff9f431f;border-color:#ff9f434d}.tok.ghost{opacity:.5}.modal-scrim{z-index:100;background:var(--scrim);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:fade-in var(--t-med) var(--ease);place-items:center;padding:24px;display:grid;position:fixed;inset:0}.modal{background:var(--panel-solid);border:1px solid var(--panel-border-strong);border-radius:var(--radius-lg);width:min(760px,100%);max-height:min(84vh,900px);box-shadow:var(--shadow);animation:pop-in var(--t-med) var(--ease);flex-direction:column;display:flex;overflow:hidden}.modal-h{border-bottom:1px solid var(--hairline);align-items:center;gap:10px;padding:16px 18px;display:flex}.modal-h h2{flex:1;margin:0;font-size:17px}.modal-b{padding:16px 18px 22px;overflow-y:auto}@keyframes fade-in{0%{opacity:0}}@keyframes pop-in{0%{opacity:0;transform:translateY(8px)scale(.98)}}.tip{z-index:120;background:var(--panel-solid);border:1px solid var(--panel-border-strong);max-width:340px;box-shadow:var(--shadow);color:var(--ink-2);pointer-events:none;opacity:0;transition:opacity var(--t-fast), transform var(--t-fast);border-radius:10px;padding:10px 12px;font-size:13px;line-height:1.5;position:fixed;transform:translateY(4px)}.tip.show{opacity:1;transform:none}.tip b{color:var(--ink-1)}.term{cursor:help;color:inherit;border-bottom:1px dashed #38e8ff8c}.term:hover{color:var(--accent)}.gloss-search{margin-bottom:14px}.gloss-list{gap:10px;display:grid}.gloss-item{border-radius:var(--radius);border:1px solid var(--hairline);background:#ffffff06;padding:12px 14px}.gloss-item h4{color:var(--ink-1);margin:0 0 4px;font-size:14.5px}.gloss-item h4 small{color:var(--ink-3);margin-left:6px;font-weight:450}.gloss-item p{color:var(--ink-2);margin:0;font-size:13.5px;line-height:1.6}.gloss-item .gloss-link{margin-top:6px;font-size:12px;display:inline-block}.chart{width:100%;position:relative}.chart canvas{width:100%;display:block}.chart-legend{color:var(--ink-3);flex-wrap:wrap;gap:14px;margin-top:6px;font-size:12px;display:flex}.chart-legend i{vertical-align:middle;border-radius:2px;width:14px;height:3px;margin-right:6px;display:inline-block}.pbars{gap:3px;display:grid}.pbar{cursor:default;grid-template-columns:3.2em minmax(0,1fr) 4.2em;align-items:center;gap:8px;font-size:12.5px;display:grid}.pbar .plab{font-family:var(--font-mono);text-align:right;color:var(--ink-1);white-space:pre;overflow:hidden}.pbar .track{background:#ffffff0a;border-radius:4px;height:16px;position:relative;overflow:hidden}.pbar .fill{transition:width var(--t-med) var(--ease);background:linear-gradient(90deg,#38e8ff8c,#38e8ffd9);border-radius:4px;position:absolute;inset:0 auto 0 0}.pbar .ghostfill{transition:width var(--t-med) var(--ease);border:1px dashed #ffffff59;border-radius:4px;position:absolute;inset:0 auto 0 0}.pbar.hit .fill{background:linear-gradient(90deg,#ff9f43a6,#ff9f43f2)}.pbar.cut{opacity:.38}.pbar .val{font-family:var(--font-mono);color:var(--ink-3);text-align:right;font-size:11.5px}.heatmap{max-width:100%;display:inline-block;position:relative}.heatmap canvas{max-width:100%;display:block;height:auto!important}.math.display{padding:2px 0;overflow:auto hidden}.math-src{font-family:var(--font-mono);color:var(--ink-2);font-size:.9em}.math-pending{min-height:2.4em}.course{grid-template-columns:var(--sidebar-w) minmax(0, 1fr);min-height:calc(100vh - var(--topbar-h));display:grid}.sidebar{top:var(--topbar-h);height:calc(100vh - var(--topbar-h));border-right:1px solid var(--hairline);background:#05060d66;padding:18px 12px 40px 16px;position:sticky;overflow-y:auto}.sb-progress{border-radius:var(--radius);border:1px solid var(--hairline);background:#ffffff06;margin:0 4px 16px 0;padding:12px 14px}.sb-progress .row{color:var(--ink-3);justify-content:space-between;margin-bottom:8px;font-size:12px;display:flex}.sb-progress .row b{color:var(--ink-1);font-weight:600}.progress-bar{background:#ffffff12;border-radius:6px;height:6px;overflow:hidden}.progress-bar i{background:linear-gradient(90deg, var(--accent), #a78bfa);height:100%;box-shadow:0 0 12px var(--accent-glow);transition:width var(--t-med) var(--ease);border-radius:6px;display:block}.sb-part{margin:14px 0 4px}.sb-part-h{letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);align-items:center;gap:8px;padding:4px 8px;font-size:10.5px;font-weight:700;display:flex}.sb-part-h .roman{font-family:var(--font-mono);color:var(--accent);opacity:.8}.sb-ch{color:var(--ink-2);transition:background var(--t-fast);border-radius:9px;grid-template-columns:22px minmax(0,1fr);align-items:start;gap:8px;padding:7px 8px;font-size:13.2px;line-height:1.35;display:grid;text-decoration:none!important}.sb-ch:hover{color:var(--ink-1);background:#ffffff0b}.sb-ch.on{background:var(--accent-soft);color:#eafcff;box-shadow:inset 2px 0 0 var(--accent)}.sb-ch .n{width:22px;height:22px;font-family:var(--font-mono);color:var(--ink-3);border:1px solid var(--panel-border-strong);border-radius:50%;place-items:center;font-size:10.5px;display:grid}.sb-ch.done .n{color:#86efac;background:#0ca30c38;border-color:#0ca30c99}.sb-ch.done .n svg{width:12px;height:12px}.sb-ch .t small{color:var(--ink-3);margin-top:1px;font-size:11.5px;display:block}.reader{min-width:0;padding:36px 32px 120px}.article{max-width:var(--read-width);font-size:var(--read-size);line-height:var(--read-line);color:var(--ink-2);margin:0 auto}.article>*{margin:0}.article>*+*{margin-top:1.05em}.article .box p,.article .deep-b p{margin:0}.article p+p,.article .box p+p,.article .deep-b p+p{margin-top:.85em}.article>p+p{margin-top:.95em}.article strong,.article b{color:var(--ink-1);font-weight:640}.article em{color:var(--ink-1)}.article code{font-family:var(--font-mono);color:#c7f9ff;background:#ffffff0f;border-radius:5px;padding:1px 6px;font-size:.86em}.article ul,.article ol{margin:.4em 0 0;padding-left:1.35em}.article li+li{margin-top:.35em}.article li::marker{color:var(--accent)}.ch-head{margin-bottom:28px}.ch-kicker{letter-spacing:.12em;text-transform:uppercase;color:var(--accent);flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;font-weight:650;display:flex}.ch-kicker .sep{color:var(--ink-3)}.ch-kicker .meta{color:var(--ink-3);letter-spacing:.04em;text-transform:none;font-weight:500}.ch-head h1{letter-spacing:-.03em;color:var(--ink-1);margin:12px 0 8px;font-size:clamp(30px,4.2vw,44px);font-weight:760;line-height:1.08}.ch-head .subtitle{color:var(--ink-2);margin:0;font-size:19px;line-height:1.5}.goals{border-radius:var(--radius);background:linear-gradient(#38e8ff12,#38e8ff05);border:1px solid #38e8ff33;padding:16px 18px;margin-top:22px!important}.article .goals h3{letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin:0 0 8px;font-size:12px}.goals ul{margin:0;font-size:15px}.article h2{letter-spacing:-.02em;color:var(--ink-1);scroll-margin-top:calc(var(--topbar-h) + 16px);margin:2.2em 0 0;font-size:25px;font-weight:700;line-height:1.25}.article h2 .hn{font-family:var(--font-mono);color:var(--accent);vertical-align:.18em;margin-right:10px;font-size:.62em}.article h3{color:var(--ink-1);margin:1.6em 0 0;font-size:18.5px;font-weight:650}.box{border-radius:var(--radius);border:1px solid var(--hairline);background:#ffffff06;padding:16px 18px 16px 52px;font-size:15.5px;line-height:1.68;position:relative}.box>.ico{width:22px;height:22px;position:absolute;top:17px;left:16px}.box>.ico svg{width:22px;height:22px}.box h4{letter-spacing:.06em;text-transform:uppercase;margin:0 0 6px;font-size:13px;font-weight:700}.box.intuition{background:linear-gradient(135deg,#a78bfa1a,#a78bfa05);border-color:#a78bfa47}.box.intuition h4,.box.intuition .ico{color:#c4b5fd}.box.info h4,.box.info .ico{color:var(--accent)}.box.info{border-color:#38e8ff33}.box.warn{background:#fab2190f;border-color:#fab21947}.box.warn h4,.box.warn .ico{color:var(--warning)}.box.history{background:#ffffff05}.box.history h4,.box.history .ico{color:#fca5a5}.box.deep{background:#5eead409;border-color:#5eead440;padding:0}.box.deep summary{cursor:pointer;letter-spacing:.06em;text-transform:uppercase;color:var(--resid);padding:14px 18px 14px 52px;font-size:13px;font-weight:700;list-style:none;position:relative}.box.deep summary::-webkit-details-marker{display:none}.box.deep summary .ico{position:absolute;top:12px;left:16px}.box.deep summary .ico svg{width:22px;height:22px}.box.deep summary:after{content:"+";color:var(--ink-3);font-size:20px;font-weight:400;position:absolute;top:10px;right:18px}.box.deep[open] summary:after{content:"−"}.box.deep .deep-b{padding:0 18px 16px 52px}.box.deep .deep-b>*+*{margin-top:.8em}.formula{border-radius:var(--radius);border:1px solid var(--hairline);text-align:center;background:#00000047;padding:18px 18px 14px}.formula .math.display .katex{color:var(--ink-1);font-size:1.22em}.formula .legend{border-top:1px solid var(--hairline);text-align:left;grid-template-columns:max-content minmax(0,1fr);gap:5px 14px;margin-top:14px;padding-top:12px;font-size:14px;line-height:1.5;display:grid}.formula .legend .sym{text-align:right;color:var(--ink-1)}.formula .cap{color:var(--ink-3);margin-top:10px;font-size:13.5px}.code{border-radius:var(--radius);border:1px solid var(--hairline);background:#070914;position:relative;overflow:hidden}.code-h{border-bottom:1px solid var(--hairline);color:var(--ink-3);align-items:center;gap:8px;padding:8px 10px 8px 14px;font-size:12px;display:flex}.code-h .lang{font-family:var(--font-mono);text-transform:lowercase;color:var(--accent)}.code-h .cap{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.code pre{font-family:var(--font-mono);color:#d6dcf0;tab-size:4;margin:0;padding:14px 16px;font-size:13px;line-height:1.65;overflow-x:auto}.code .k{color:#ff79c6}.code .s{color:#f1fa8c}.code .c{color:#6b7499;font-style:italic}.code .n{color:#bd93f9}.code .f{color:#50fa7b}.code .b{color:#8be9fd}.lab{border-radius:var(--radius-lg);background:radial-gradient(600px 200px at 0% 0%, #38e8ff12, transparent 70%), var(--panel);box-shadow:var(--shadow);border:1px solid #38e8ff3d;margin-bottom:.6em;font-size:14.5px;line-height:1.55;overflow:hidden;margin-top:1.6em!important}.lab-h{border-bottom:1px solid var(--hairline);align-items:flex-start;gap:12px;padding:14px 18px 12px;display:flex}.lab-h .ico{background:var(--accent-soft);width:32px;height:32px;color:var(--accent);border-radius:10px;flex:none;place-items:center;display:grid}.lab-h .ico svg{width:18px;height:18px}.lab-h .tt{flex:1;min-width:0}.lab-h .kick{letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-size:10.5px;font-weight:700}.lab-h h4{color:var(--ink-1);margin:1px 0 0;font-size:16px;font-weight:650}.lab-h p{color:var(--ink-3);margin:4px 0 0;font-size:13.5px}.lab-b{color:var(--ink-2);padding:16px 18px 18px}.lab-b>*+*{margin-top:12px}.lab-row{flex-wrap:wrap;align-items:center;gap:10px 14px;display:flex}.lab-grid{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px 18px;display:grid}.lab-out{border-radius:var(--radius-sm);border:1px solid var(--hairline);background:#0000004d;padding:12px 14px;font-size:14px}.lab-out.mono{white-space:pre-wrap;word-break:break-word;line-height:1.6}.stat{border-radius:var(--radius-sm);border:1px solid var(--hairline);background:#ffffff09;gap:0;min-width:110px;padding:8px 12px;display:inline-grid}.stat .k{letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-size:11px}.stat .v{font-family:var(--font-mono);color:var(--ink-1);font-size:18px}.stat.accent .v{color:var(--accent)}.figure{text-align:center;margin:1.4em 0 0}.figure svg{max-width:100%;height:auto}.figure figcaption{color:var(--ink-3);margin-top:8px;font-size:13.5px}.steps{counter-reset:st;gap:10px;list-style:none;display:grid;padding:0!important}.steps li{counter-increment:st;border-radius:var(--radius);border:1px solid var(--hairline);background:#ffffff06;padding:12px 14px 12px 52px;position:relative;margin:0!important}.steps li:before{content:counter(st);width:26px;height:26px;font-family:var(--font-mono);color:var(--ink-inverse);background:var(--accent);border-radius:50%;place-items:center;font-size:12px;display:grid;position:absolute;top:12px;left:14px}.steps li b{color:var(--ink-1);display:block}.tbl-wrap{border-radius:var(--radius);border:1px solid var(--hairline);overflow-x:auto}.tbl{border-collapse:collapse;width:100%;font-size:14px;line-height:1.5}.tbl th,.tbl td{text-align:left;border-bottom:1px solid var(--hairline);vertical-align:top;padding:9px 12px}.tbl th{letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);background:#ffffff06;font-size:11.5px}.tbl tr:last-child td{border-bottom:0}.tbl td.num{text-align:right}.tryit{border-radius:var(--radius);color:var(--ink-2);transition:border-color var(--t-fast), transform var(--t-fast);background:linear-gradient(90deg,#ff4fd814,#38e8ff0d);border:1px solid #ff4fd84d;align-items:center;gap:14px;padding:14px 16px;display:flex;text-decoration:none!important}.tryit:hover{border-color:#ff4fd899;transform:translateY(-1px)}.tryit .ico{width:38px;height:38px;color:var(--backward);background:#ff4fd826;border-radius:11px;flex:none;place-items:center;display:grid}.tryit .ico svg{width:20px;height:20px}.tryit b{color:var(--ink-1);font-size:15px;display:block}.tryit span{font-size:13.5px}.tryit .go{color:var(--backward);margin-left:auto}.quiz{border-radius:var(--radius-lg);border:1px solid var(--panel-border-strong);background:var(--panel);padding:20px;margin-top:2.6em!important}.quiz>h2{margin-top:0!important}.quiz-q{margin-top:18px}.quiz-q>p{color:var(--ink-1);font-weight:560}.quiz-opts{gap:8px;margin-top:10px;display:grid}.quiz-opt{border:1px solid var(--panel-border-strong);width:100%;color:var(--ink-2);text-align:left;cursor:pointer;transition:background var(--t-fast), border-color var(--t-fast);background:#ffffff06;border-radius:10px;align-items:flex-start;gap:10px;padding:10px 14px;font-size:14.5px;line-height:1.5;display:flex}.quiz-opt .letter{width:22px;height:22px;font-family:var(--font-mono);background:#ffffff12;border-radius:6px;flex:none;place-items:center;font-size:11px;display:grid}.quiz-opt:hover:not(:disabled){background:#38e8ff0d;border-color:#38e8ff80}.quiz-opt:disabled{cursor:default}.quiz-opt.right{color:var(--ink-1);background:#0ca30c1f;border-color:#0ca30cb3}.quiz-opt.right .letter{background:var(--good);color:#fff}.quiz-opt.wrong{background:#d03b3b1a;border-color:#d03b3bb3}.quiz-opt.wrong .letter{background:var(--critical);color:#fff}.quiz-explain{border-left:3px solid var(--accent);background:#38e8ff0d;border-radius:10px;margin-top:10px;padding:10px 14px;font-size:14.5px}.quiz-score{color:var(--ink-1);margin-top:18px;font-size:14.5px}.takeaways{border-radius:var(--radius-lg);background:linear-gradient(#5eead414,#5eead405);border:1px solid #5eead440;padding:18px 20px}.article .takeaways h3{letter-spacing:.1em;text-transform:uppercase;color:var(--resid);margin:0 0 10px;font-size:12px}.takeaways ul{margin:0}.refs{font-size:14px}.refs li{color:var(--ink-3)}.ch-foot{border-top:1px solid var(--hairline);flex-wrap:wrap;align-items:stretch;gap:12px;padding-top:22px;display:flex;margin-top:2.6em!important}.ch-foot .done-btn{flex:100%}.nav-card{border-radius:var(--radius);border:1px solid var(--panel-border-strong);color:var(--ink-1);transition:border-color var(--t-fast);background:#ffffff06;flex:240px;gap:2px;padding:14px 16px;font-size:15px;font-weight:600;display:grid;text-decoration:none!important}.nav-card small{letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);font-size:11.5px;font-weight:600}.nav-card.next{text-align:right}.nav-card:hover{border-color:var(--accent)}.home{max-width:1180px;margin:0 auto;padding:56px 28px 120px}.hero{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:center;gap:40px;display:grid}.hero h1{letter-spacing:-.04em;color:var(--ink-1);margin:14px 0 16px;font-size:clamp(36px,5.4vw,62px);font-weight:780;line-height:1.02}.hero h1 .grad{background:linear-gradient(90deg, var(--accent), #a78bfa 55%, var(--backward));color:#0000;-webkit-background-clip:text;background-clip:text}.hero .lede{color:var(--ink-2);max-width:36em;font-size:18.5px;line-height:1.6}.hero .ctas{flex-wrap:wrap;gap:12px;margin-top:26px;display:flex}.hero-eyebrow{background:var(--accent-soft);color:#c7f9ff;border:1px solid #38e8ff4d;border-radius:20px;align-items:center;gap:8px;padding:5px 12px;font-size:12.5px;font-weight:600;display:inline-flex}.hero-demo{border-radius:var(--radius-lg);padding:18px}.hero-demo .typed{min-height:9.5em;font-family:var(--font-mono);color:var(--ink-1);white-space:pre-wrap;font-size:14px;line-height:1.7}.hero-demo .typed .prompt{color:var(--accent)}.hero-demo .typed .caret{vertical-align:-.15em;background:var(--accent);width:8px;height:1.1em;animation:1s step-end infinite blink;display:inline-block}@keyframes blink{50%{opacity:0}}.stats-row{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:46px;display:grid}.stats-row .stat{min-width:0;padding:14px 16px}.stats-row .stat .v{font-size:24px}.journey{margin-top:64px}.journey>h2{letter-spacing:-.02em;color:var(--ink-1);margin:0 0 6px;font-size:28px}.journey>p{color:var(--ink-3);margin:0 0 22px;font-size:15.5px}.parts{grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:16px;display:grid}.part-card{border-radius:var(--radius-lg);border:1px solid var(--panel-border);background:var(--panel);padding:18px 18px 14px;position:relative;overflow:hidden}.part-card:before{content:"";background:var(--part-color,var(--accent));opacity:.85;height:3px;position:absolute;inset:0 0 auto}.part-card .roman{font-family:var(--font-mono);color:var(--part-color,var(--accent));letter-spacing:.1em;font-size:12px}.part-card h3{color:var(--ink-1);margin:4px 0;font-size:19px}.part-card>p{color:var(--ink-3);margin:0 0 12px;font-size:13.5px;line-height:1.5}.part-card .chs{gap:2px;display:grid}.part-card .chs a{color:var(--ink-2);border-radius:8px;align-items:center;gap:10px;margin:0 -8px;padding:6px 8px;font-size:14px;text-decoration:none;display:flex}.part-card .chs a:hover{color:var(--ink-1);background:#ffffff0b}.part-card .chs a .n{font-family:var(--font-mono);color:var(--ink-3);width:20px;font-size:11px}.part-card .chs a.done .n{color:var(--good)}.part-card .chs a .m{color:var(--ink-3);margin-left:auto;font-size:11.5px}.modes-tour{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin-top:64px;display:grid}.mode-card{border-radius:var(--radius-lg);border:1px solid var(--panel-border);background:var(--panel);color:var(--ink-2);transition:border-color var(--t-fast), transform var(--t-fast);gap:8px;padding:18px;display:grid;text-decoration:none!important}.mode-card:hover{border-color:var(--accent);transform:translateY(-2px)}.mode-card .ico{background:var(--accent-soft);width:40px;height:40px;color:var(--accent);border-radius:12px;place-items:center;display:grid}.mode-card .ico svg{width:22px;height:22px}.mode-card b{color:var(--ink-1);font-size:16px}.mode-card span{font-size:13.5px;line-height:1.55}.sb-toggle{display:none}@media (max-width:1080px){.hero{grid-template-columns:1fr}.stats-row{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:900px){.course{grid-template-columns:1fr}.sidebar{z-index:40;top:var(--topbar-h);background:var(--panel-solid);width:min(320px,88vw);transition:transform var(--t-med) var(--ease);box-shadow:var(--shadow);position:fixed;left:0;transform:translate(-100%)}.course.sb-open .sidebar{transform:none}.sb-toggle{z-index:41;box-shadow:var(--shadow);display:inline-flex;position:fixed;bottom:14px;left:14px;background:var(--panel-solid)!important}.reader{padding:24px 16px 100px}.home{padding:32px 16px 100px}.box{padding-top:46px;padding-left:18px}.box>.ico{top:14px}}.hero-eyebrow svg,.panel-h svg,.btn svg{flex:none;width:15px;height:15px}.ws{max-width:1560px;margin:0 auto;padding:18px 18px 60px}.ws-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:12px 24px;margin:6px 4px 16px;display:flex}.ws-head h1{letter-spacing:-.02em;color:var(--ink-1);margin:0;font-size:24px}.ws-head p{color:var(--ink-3);max-width:62em;margin:4px 0 0;font-size:14px}.ws-grid{align-items:start;gap:14px;display:grid}.ws-grid.gen{grid-template-columns:300px minmax(0,1fr) 400px}.ws-grid.train{grid-template-columns:320px minmax(0,1fr)}.ws-grid.two{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.card{border-radius:var(--radius-lg);background:var(--panel);border:1px solid var(--panel-border);box-shadow:var(--shadow);min-width:0;padding:14px 16px 16px}.card+.card{margin-top:14px}.ws-grid>.card+.card{margin-top:0}.stack>*+*{margin-top:12px}.model-badge{border-radius:var(--radius);border:1px solid var(--hairline);color:var(--ink-3);background:#ffffff08;align-items:center;gap:10px;padding:10px 12px;font-size:12.5px;display:flex}.model-badge b{color:var(--ink-1);font-size:13.5px;display:block}.model-badge .dot{background:var(--good);width:9px;height:9px;box-shadow:0 0 10px var(--good);border-radius:50%;flex:none}.model-badge.trained .dot{background:var(--backward);box-shadow:0 0 10px var(--backward)}.gen-text{border-radius:var(--radius);border:1px solid var(--hairline);min-height:220px;max-height:46vh;font-family:var(--font-mono);color:var(--ink-1);white-space:pre-wrap;word-break:break-word;background:#00000052;padding:16px 18px;font-size:16px;line-height:1.85;overflow-y:auto}.gen-text .pr{color:var(--accent)}.gen-text .g{cursor:pointer;transition:outline-color var(--t-fast);border-radius:3px;outline:1px solid #0000}.gen-text .g:hover,.gen-text .g.sel{outline-color:var(--accent)}.gen-text .g.new{animation:pop .5s var(--ease)}@keyframes pop{0%{background:#ff9f43b3}}.gen-text .caret{vertical-align:-.2em;background:var(--accent);width:9px;height:1.15em;animation:1s step-end infinite blink;display:inline-block}.legend-row{color:var(--ink-3);flex-wrap:wrap;align-items:center;gap:14px;margin-top:8px;font-size:12px;display:flex}.legend-row .sw{vertical-align:middle;border-radius:4px;width:70px;height:8px;margin:0 6px;display:inline-block}.attn-text{border-radius:var(--radius-sm);border:1px solid var(--hairline);font-family:var(--font-mono);white-space:pre-wrap;word-break:break-word;background:#0000004d;padding:12px 14px;font-size:14px;line-height:1.9}.attn-text span{border-radius:3px;padding:1px 0}.attn-text span.me{outline:1.5px solid var(--backward)}.lens-table{border-collapse:collapse;width:100%;font-size:12.5px}.lens-table td,.lens-table th{border-bottom:1px solid var(--hairline);text-align:left;padding:5px 6px}.lens-table th{letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-size:10.5px;font-weight:600}.lens-table .cell{min-width:52px;font-family:var(--font-mono);white-space:pre;border-radius:5px;align-items:center;gap:4px;padding:2px 6px;display:inline-flex}.lens-table .cell small{opacity:.75;font-size:10px}.kbd-hint{color:var(--ink-3);font-size:12px}.train-stats{grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;display:grid}.train-stats .stat{min-width:0}.samples{gap:8px;max-height:420px;display:grid;overflow-y:auto}.sample{border-radius:var(--radius-sm);border:1px solid var(--hairline);font-family:var(--font-mono);white-space:pre-wrap;word-break:break-word;color:var(--ink-1);background:#0000004d;padding:10px 12px;font-size:13px;line-height:1.6}.sample .meta{font-family:var(--font-ui);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-bottom:4px;font-size:11px;display:block}.cfg-grid{grid-template-columns:1fr 1fr;gap:10px 14px;display:grid}.cfg-grid .full{grid-column:1/-1}.step-layout{grid-template-columns:280px minmax(0,1fr);align-items:start;gap:14px;display:grid}.timeline{top:calc(var(--topbar-h) + 14px);max-height:calc(100vh - var(--topbar-h) - 28px);position:sticky;overflow-y:auto}.tl-group{letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-top:10px;padding:0 6px;font-size:10.5px;font-weight:700}.tl-item{width:100%;color:var(--ink-2);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;grid-template-columns:26px minmax(0,1fr);align-items:center;gap:8px;padding:6px 8px;font-size:13px;display:grid}.tl-item:hover{color:var(--ink-1);background:#ffffff0b}.tl-item.on{background:var(--accent-soft);color:#eafcff;box-shadow:inset 2px 0 0 var(--accent)}.tl-item.past .n{color:var(--accent);border-color:#38e8ff80}.tl-item .n{border:1px solid var(--panel-border-strong);width:24px;height:24px;font-family:var(--font-mono);color:var(--ink-3);border-radius:50%;place-items:center;font-size:10.5px;display:grid}.phase-head{flex-wrap:wrap;align-items:center;gap:10px 16px;display:flex}.phase-head h2{letter-spacing:-.02em;color:var(--ink-1);flex:1;min-width:240px;margin:0;font-size:22px}.phase-head .kick{letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:2px;font-size:11px;font-weight:700;display:block}.narr{color:var(--ink-2);max-width:60em;font-size:15.5px;line-height:1.7}.narr p{margin:0}.narr p+p{margin-top:.7em}.narr b,.narr strong{color:var(--ink-1)}.narr code{font-family:var(--font-mono);background:#ffffff0f;border-radius:4px;padding:1px 5px;font-size:.88em}.phase-formula{border-radius:var(--radius);border:1px solid var(--hairline);background:#00000047;padding:14px 16px;overflow-x:auto}.phase-formula .katex{color:var(--ink-1);font-size:1.15em}.shape{font-family:var(--font-mono);color:#ddd6fe;background:#a78bfa1f;border:1px solid #a78bfa59;border-radius:20px;align-items:center;gap:6px;padding:3px 10px;font-size:12px;display:inline-flex}.viz-area{gap:14px;display:grid;overflow-x:auto}.viz-row{flex-wrap:wrap;align-items:flex-start;gap:18px;display:flex}.viz-block{gap:6px;min-width:0;display:grid}.viz-block>.t{letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-size:11.5px;font-weight:600}.viz-block>.t b{color:var(--ink-1);text-transform:none;letter-spacing:0;font-family:var(--font-mono)}.op{color:var(--ink-3);font-size:22px;font-family:var(--font-mono);align-self:center}.token-strip{flex-wrap:wrap;gap:4px;display:flex}.token-strip .tk{font-family:var(--font-mono);background:#38e8ff14;border:1px solid #38e8ff40;border-radius:8px;justify-items:center;gap:2px;padding:6px 8px;display:grid}.token-strip .tk b{color:var(--ink-1);white-space:pre;font-size:16px}.token-strip .tk small{color:var(--ink-3);font-size:10.5px}.token-strip .tk.target{background:#ff9f431a;border-color:#ff9f4366}.explore-stage{border-radius:var(--radius-lg);background:radial-gradient(900px 600px at 40% 40%, #0b1024 0%, var(--bg-0) 75%);border:1px solid var(--panel-border);height:min(72vh,760px);position:relative;overflow:hidden}.explore-stage canvas{width:100%;height:100%;display:block}.explore-labels{pointer-events:none;position:absolute;inset:0;overflow:hidden}.explore-labels .pt{font-family:var(--font-mono);color:var(--ink-1);text-shadow:0 0 6px #000,0 0 2px #000;white-space:pre;pointer-events:auto;cursor:pointer;border-radius:4px;padding:1px 4px;font-size:13px;font-weight:600;position:absolute;transform:translate(-50%,-50%)}.explore-labels .pt:hover,.explore-labels .pt.sel{outline:1px solid var(--accent);background:#38e8ff40}.explore-overlay{max-width:320px;position:absolute;bottom:14px;left:14px}.heads-grid{gap:14px;display:grid}.heads-grid .hrow{flex-wrap:wrap;align-items:flex-start;gap:14px;display:flex}.head-card{border-radius:var(--radius);border:1px solid var(--hairline);cursor:pointer;background:#ffffff06;gap:6px;padding:10px;display:grid}.head-card:hover,.head-card.sel{border-color:var(--accent)}.head-card .t{color:var(--ink-2);font-size:12px}.head-card .t b{color:var(--ink-1)}@media (max-width:1280px){.ws-grid.gen{grid-template-columns:280px minmax(0,1fr)}.ws-grid.gen>.col-right{grid-column:1/-1}}@media (max-width:900px){.ws-grid.gen,.ws-grid.train,.ws-grid.two,.step-layout{grid-template-columns:1fr}.timeline{max-height:280px;position:static}.ws{padding:12px 10px 60px}}