/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before{box-sizing:border-box;border:0 solid;margin:0;padding:0}::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.absolute{position:absolute}.fixed{position:fixed}.start{inset-inline-start:var(--spacing)}.block{display:block}.contents{display:contents}.hidden{display:none}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}.cg-wrap{box-sizing:content-box;display:block;position:relative}cg-container{width:100%;height:100%;display:block;position:absolute;top:0}cg-board{-webkit-user-select:none;user-select:none;background-size:cover;width:100%;height:100%;line-height:0;position:absolute;top:0;left:0}.cg-wrap.manipulable cg-board{cursor:pointer}cg-board square{pointer-events:none;width:12.5%;height:12.5%;position:absolute;top:0;left:0}cg-board square.move-dest{pointer-events:auto}cg-board square.last-move{will-change:transform}.cg-wrap piece{z-index:2;will-change:transform;pointer-events:none;background-size:cover;width:12.5%;height:12.5%;position:absolute;top:0;left:0}cg-board piece.dragging{cursor:move;z-index:11!important}piece.anim{z-index:8}piece.fading{z-index:1;opacity:.5}.cg-wrap piece.ghost{opacity:.3}.cg-wrap piece svg{pointer-events:none;z-index:2;opacity:.6;width:100%;height:100%;position:relative;top:0;left:0;overflow:hidden}.cg-wrap cg-auto-pieces,.cg-wrap .cg-shapes,.cg-wrap .cg-custom-svgs,.cg-wrap .cg-shapes-below,.cg-wrap .cg-custom-below{pointer-events:none;width:100%;height:100%;position:absolute;top:0;left:0;overflow:visible}.cg-wrap cg-auto-pieces{z-index:2}.cg-wrap cg-auto-pieces piece{opacity:.3}.cg-wrap .cg-shapes{opacity:.6;z-index:2;overflow:hidden}.cg-wrap .cg-shapes-below{z-index:1;overflow:hidden}.cg-wrap .cg-custom-below{z-index:1}.cg-wrap .cg-custom-svgs{z-index:9}.cg-wrap .cg-custom-svgs svg,.cg-wrap .cg-custom-below svg{overflow:visible}.cg-wrap coords{pointer-events:none;opacity:.8;font-family:sans-serif;font-size:9px;display:flex;position:absolute}.cg-wrap coords.ranks{flex-flow:column-reverse;width:12px;height:100%;top:-20px;left:4px}.cg-wrap coords.ranks.black{flex-flow:column}.cg-wrap coords.ranks.left{align-items:flex-end;left:-15px}.cg-wrap coords.files{text-transform:uppercase;text-align:center;flex-flow:row;width:100%;height:16px;bottom:-4px;left:24px}.cg-wrap coords.files.black{flex-flow:row-reverse}.cg-wrap coords coord{flex:auto}.cg-wrap coords.ranks coord{transform:translateY(39%)}.cg-wrap coords.squares{text-transform:uppercase;text-align:right;flex-flow:column-reverse;width:12.5%;height:100%;bottom:0;left:0}.cg-wrap coords.squares.black{flex-flow:column}.cg-wrap coords.squares.left{text-align:left}.cg-wrap coords.squares coord{padding:6% 4%}.cg-wrap coords.squares.rank2{transform:translate(100%)}.cg-wrap coords.squares.rank3{transform:translate(200%)}.cg-wrap coords.squares.rank4{transform:translate(300%)}.cg-wrap coords.squares.rank5{transform:translate(400%)}.cg-wrap coords.squares.rank6{transform:translate(500%)}.cg-wrap coords.squares.rank7{transform:translate(600%)}.cg-wrap coords.squares.rank8{transform:translate(700%)}cg-board{background-color:#f0d9b5;background-image:url(data:image/svg+xml;base64,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)}cg-board square.move-dest{background:radial-gradient(#14551e80 22%,#208530 0,#0000004d 0,#0000 0)}cg-board square.premove-dest{background:radial-gradient(#141e5580 22%,#203085 0,#0000004d 0,#0000 0)}cg-board square.oc.move-dest{background:radial-gradient(#0000 0% 80%,#1455004d 80%)}cg-board square.oc.premove-dest{background:radial-gradient(#0000 0% 80%,#141e5533 80%)}cg-board square.move-dest:hover,cg-board square.move-dest.hover{background:#14551e4d}cg-board square.premove-dest:hover,cg-board square.premove-dest.hover{background:#141e5533}cg-board square.last-move{background-color:#9bc70069}cg-board square.selected{background-color:#14551e80}cg-board square.check{background:radial-gradient(red 0%,#e70000 25%,#a9000000 89%,#9e000000 100%)}cg-board square.current-premove{background-color:#141e5580}.orientation-white .ranks :nth-child(odd),.orientation-white .files :nth-child(2n),.orientation-black .ranks :nth-child(2n),.orientation-black .files :nth-child(odd),coords.squares:nth-of-type(odd) :nth-child(2n),coords.squares:nth-of-type(2n) :nth-child(odd){color:#484848cc}.orientation-white .ranks :nth-child(2n),.orientation-white .files :nth-child(odd),.orientation-black .ranks :nth-child(odd),.orientation-black .files :nth-child(2n),coords.squares:nth-of-type(odd) :nth-child(odd),coords.squares:nth-of-type(2n) :nth-child(2n){color:#fffc}.cg-wrap piece.pawn.white{background-image:url(data:image/svg+xml;base64,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)}.cg-wrap piece.bishop.white{background-image:url(data:image/svg+xml;base64,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)}.cg-wrap piece.knight.white{background-image:url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0NSIgaGVpZ2h0PSI0NSI+PGcgZmlsbD0ibm9uZSIgZmlsbC1ydWxlPSJldmVub2RkIiBzdHJva2U9IiMwMDAiIHN0cm9rZS13aWR0aD0iMS41IiBzdHJva2UtbGluZWNhcD0icm91bmQiIHN0cm9rZS1saW5lam9pbj0icm91bmQiPjxwYXRoIGQ9Ik0yMiAxMGMxMC41IDEgMTYuNSA4IDE2IDI5SDE1YzAtOSAxMC02LjUgOC0yMSIgZmlsbD0iI2ZmZiIvPjxwYXRoIGQ9Ik0yNCAxOGMuMzggMi45MS01LjU1IDcuMzctOCA5LTMgMi0yLjgyIDQuMzQtNSA0LTEuMDQyLS45NCAxLjQxLTMuMDQgMC0zLTEgMCAuMTkgMS4yMy0xIDItMSAwLTQuMDAzIDEtNC00IDAtMiA2LTEyIDYtMTJzMS44OS0xLjkgMi0zLjVjLS43My0uOTk0LS41LTItLjUtMyAxLTEgMyAyLjUgMyAyLjVoMnMuNzgtMS45OTIgMi41LTNjMSAwIDEgMyAxIDMiIGZpbGw9IiNmZmYiLz48cGF0aCBkPSJNOS41IDI1LjVhLjUuNSAwIDEgMS0xIDAgLjUuNSAwIDEgMSAxIDB6bTUuNDMzLTkuNzVhLjUgMS41IDMwIDEgMS0uODY2LS41LjUgMS41IDMwIDEgMSAuODY2LjV6IiBmaWxsPSIjMDAwIi8+PC9nPjwvc3ZnPg==)}.cg-wrap piece.rook.white{background-image:url(data:image/svg+xml;base64,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)}.cg-wrap piece.queen.white{background-image:url(data:image/svg+xml;base64,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)}.cg-wrap piece.king.white{background-image:url(data:image/svg+xml;base64,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)}.cg-wrap piece.pawn.black{background-image:url(data:image/svg+xml;base64,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)}.cg-wrap piece.bishop.black{background-image:url(data:image/svg+xml;base64,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)}.cg-wrap piece.knight.black{background-image:url(data:image/svg+xml;base64,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)}.cg-wrap piece.rook.black{background-image:url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0NSIgaGVpZ2h0PSI0NSI+PGcgZmlsbC1ydWxlPSJldmVub2RkIiBzdHJva2U9IiMwMDAiIHN0cm9rZS13aWR0aD0iMS41IiBzdHJva2UtbGluZWNhcD0icm91bmQiIHN0cm9rZS1saW5lam9pbj0icm91bmQiPjxwYXRoIGQ9Ik05IDM5aDI3di0zSDl2M3ptMy41LTdsMS41LTIuNWgxN2wxLjUgMi41aC0yMHptLS41IDR2LTRoMjF2NEgxMnoiIHN0cm9rZS1saW5lY2FwPSJidXR0Ii8+PHBhdGggZD0iTTE0IDI5LjV2LTEzaDE3djEzSDE0eiIgc3Ryb2tlLWxpbmVjYXA9ImJ1dHQiIHN0cm9rZS1saW5lam9pbj0ibWl0ZXIiLz48cGF0aCBkPSJNMTQgMTYuNUwxMSAxNGgyM2wtMyAyLjVIMTR6TTExIDE0VjloNHYyaDVWOWg1djJoNVY5aDR2NUgxMXoiIHN0cm9rZS1saW5lY2FwPSJidXR0Ii8+PHBhdGggZD0iTTEyIDM1LjVoMjFtLTIwLTRoMTltLTE4LTJoMTdtLTE3LTEzaDE3TTExIDE0aDIzIiBmaWxsPSJub25lIiBzdHJva2U9IiNlY2VjZWMiIHN0cm9rZS13aWR0aD0iMSIgc3Ryb2tlLWxpbmVqb2luPSJtaXRlciIvPjwvZz48L3N2Zz4=)}.cg-wrap piece.queen.black{background-image:url(data:image/svg+xml;base64,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)}.cg-wrap piece.king.black{background-image:url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0NSIgaGVpZ2h0PSI0NSI+PGcgZmlsbD0ibm9uZSIgZmlsbC1ydWxlPSJldmVub2RkIiBzdHJva2U9IiMwMDAiIHN0cm9rZS13aWR0aD0iMS41IiBzdHJva2UtbGluZWNhcD0icm91bmQiIHN0cm9rZS1saW5lam9pbj0icm91bmQiPjxwYXRoIGQ9Ik0yMi41IDExLjYzVjYiIHN0cm9rZS1saW5lam9pbj0ibWl0ZXIiLz48cGF0aCBkPSJNMjIuNSAyNXM0LjUtNy41IDMtMTAuNWMwIDAtMS0yLjUtMy0yLjVzLTMgMi41LTMgMi41Yy0xLjUgMyAzIDEwLjUgMyAxMC41IiBmaWxsPSIjMDAwIiBzdHJva2UtbGluZWNhcD0iYnV0dCIgc3Ryb2tlLWxpbmVqb2luPSJtaXRlciIvPjxwYXRoIGQ9Ik0xMS41IDM3YzUuNSAzLjUgMTUuNSAzLjUgMjEgMHYtN3M5LTQuNSA2LTEwLjVjLTQtNi41LTEzLjUtMy41LTE2IDRWMjd2LTMuNWMtMy41LTcuNS0xMy0xMC41LTE2LTQtMyA2IDUgMTAgNSAxMFYzN3oiIGZpbGw9IiMwMDAiLz48cGF0aCBkPSJNMjAgOGg1IiBzdHJva2UtbGluZWpvaW49Im1pdGVyIi8+PHBhdGggZD0iTTMyIDI5LjVzOC41LTQgNi4wMy05LjY1QzM0LjE1IDE0IDI1IDE4IDIyLjUgMjQuNWwuMDEgMi4xLS4wMS0yLjFDMjAgMTggOS45MDYgMTQgNi45OTcgMTkuODVjLTIuNDk3IDUuNjUgNC44NTMgOSA0Ljg1MyA5IiBzdHJva2U9IiNlY2VjZWMiLz48cGF0aCBkPSJNMTEuNSAzMGM1LjUtMyAxNS41LTMgMjEgMG0tMjEgMy41YzUuNS0zIDE1LjUtMyAyMSAwbS0yMSAzLjVjNS41LTMgMTUuNS0zIDIxIDAiIHN0cm9rZT0iI2VjZWNlYyIvPjwvZz48L3N2Zz4=)}:root{--ink:#f4f7f8;--muted:#8e9ba7;--paper:#111a24;--panel:#0b131c;--surface:#121e29;--surface-raised:#182632;--line:#293a49;--line-soft:#1d2b36;--acid:#8bc34a;--board-light:#8192a3;--board-dark:#2d3d4d;--danger:#ff6b64;--success:#9bd35a}*{box-sizing:border-box}html,body{min-height:100%}html{background:var(--paper);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}body{background:radial-gradient(circle at 14% 12%, #2b40513b 0, transparent 30%), radial-gradient(circle at 48% 100%, #1f34473d 0, transparent 36%), var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Segoe UI,Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,sans-serif}button,a{font:inherit;color:inherit}.app-shell{min-height:100vh}.topbar{z-index:10;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#0b131be8;border-bottom:1px solid #ffffff0c;grid-template-columns:1fr auto 1fr;align-items:center;height:60px;padding:0 clamp(22px,3vw,44px);display:grid;position:sticky;top:0;box-shadow:0 8px 30px #0000001c}.brand{letter-spacing:-.035em;cursor:pointer;background:0 0;border:0;justify-self:start;align-items:center;gap:11px;padding:0;font-size:18px;font-weight:750;display:inline-flex}.brand-mark{width:32px;height:32px;color:var(--acid);background:linear-gradient(145deg,#263a46,#17232e);border:1px solid #9bd35a38;border-radius:9px;place-items:center;font-family:Georgia,serif;font-size:22px;line-height:1;display:grid}.session-strip{color:var(--muted);text-transform:uppercase;letter-spacing:.1em;align-items:center;gap:10px;font-size:10px;font-weight:700;display:flex}.live-dot{background:var(--acid);border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 4px #9bd35a1e}.session-progress{border-left:1px solid var(--line);color:var(--ink);margin-left:5px;padding-left:10px;font-weight:800}.top-actions{justify-self:end;align-items:center;gap:15px;display:flex}.icon-button{color:#c5cdd2;letter-spacing:2px;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:9px;place-items:center;width:34px;height:34px;font-weight:800;transition:background .2s,border-color .2s;display:grid}.icon-button:hover{border-color:var(--line);background:#ffffff08}.workspace{grid-template-columns:minmax(600px,1.18fr) minmax(410px,.82fr);min-height:calc(100vh - 60px);display:grid}.board-column{background-image:linear-gradient(45deg,#ffffff05 25%,#0000 25%),linear-gradient(-45deg,#ffffff05 25%,#0000 25%);background-size:220px 220px;flex-direction:column;justify-content:center;padding:24px clamp(24px,3.2vw,52px) 20px;display:flex;position:relative}.position-heading{justify-content:space-between;align-items:end;width:100%;max-width:680px;margin:0 auto 15px;display:flex}.eyebrow,.panel-kicker{color:var(--muted);letter-spacing:.11em;text-transform:uppercase;margin:0 0 6px;font-size:10px;font-weight:750}.eyebrow a{text-decoration:none}.eyebrow a:hover{text-underline-offset:3px;text-decoration:underline}h1{letter-spacing:-.035em;margin:0;font-size:clamp(27px,2.3vw,34px);font-weight:720;line-height:1.08}.position-meta{flex-wrap:wrap;justify-content:end;gap:6px;max-width:240px;display:flex}.position-meta span{color:#bfc9d0;text-transform:uppercase;letter-spacing:.05em;background:#16232dc7;border:1px solid #344858;border-radius:999px;padding:5px 9px;font-size:8px;font-weight:750}.puzzle-pack-error{color:#ffd7a0;background:#3c2b183d;border:1px solid #f29b2366;border-radius:8px;width:100%;max-width:680px;margin:-5px auto 10px;padding:8px 11px;font-size:9px}.board-wrap{background:linear-gradient(145deg,#111b24,#080d12);border:1px solid #4b6071;border-radius:11px;width:100%;min-width:0;max-width:min(710px,100vh - 192px);margin:0 auto;padding:8px 8px 25px 25px;transition:box-shadow .25s,transform .25s;position:relative;box-shadow:0 26px 70px #00000070,inset 0 1px #ffffff12}.chessground-board{aspect-ratio:1;touch-action:none;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;forced-color-adjust:none;isolation:isolate;border:1px solid #53697a;border-radius:7px;width:100%;overflow:visible}.chessground-board cg-board{border-radius:6px;overflow:hidden}.chessground-board piece{forced-color-adjust:none;mix-blend-mode:normal;-webkit-filter:none!important}.app-shell[data-piece-set=deepcalc] .chessground-board piece.pawn.white{background-image:url(/pieces/white-pawn.svg?v=custom-3)!important}.app-shell[data-piece-set=deepcalc] .chessground-board piece.knight.white{background-image:url(/pieces/white-knight.svg?v=custom-3)!important}.app-shell[data-piece-set=deepcalc] .chessground-board piece.bishop.white{background-image:url(/pieces/white-bishop.svg?v=custom-3)!important}.app-shell[data-piece-set=deepcalc] .chessground-board piece.rook.white{background-image:url(/pieces/white-rook.svg?v=custom-3)!important}.app-shell[data-piece-set=deepcalc] .chessground-board piece.queen.white{background-image:url(/pieces/white-queen.svg?v=custom-3)!important}.app-shell[data-piece-set=deepcalc] .chessground-board piece.king.white{background-image:url(/pieces/white-king.svg?v=custom-3)!important}.app-shell[data-piece-set=deepcalc] .chessground-board piece.pawn.black{background-image:url(/pieces/black-pawn.svg?v=custom-3)!important}.app-shell[data-piece-set=deepcalc] .chessground-board piece.knight.black{background-image:url(/pieces/black-knight.svg?v=custom-3)!important}.app-shell[data-piece-set=deepcalc] .chessground-board piece.bishop.black{background-image:url(/pieces/black-bishop.svg?v=custom-3)!important}.app-shell[data-piece-set=deepcalc] .chessground-board piece.rook.black{background-image:url(/pieces/black-rook.svg?v=custom-3)!important}.app-shell[data-piece-set=deepcalc] .chessground-board piece.queen.black{background-image:url(/pieces/black-queen.svg?v=custom-3)!important}.app-shell[data-piece-set=deepcalc] .chessground-board piece.king.black{background-image:url(/pieces/black-king.svg?v=custom-3)!important}.app-shell[data-board-theme] .chessground-board cg-board{background-size:25% 25%}.app-shell[data-board-theme=walnut] .chessground-board cg-board{background-color:tan;background-image:conic-gradient(#7b4f32 25%, tan 0 50%, #7b4f32 0 75%, tan 0)}.app-shell[data-board-theme=ocean] .chessground-board cg-board{background-color:#a8d5d1;background-image:conic-gradient(#327786 25%, #a8d5d1 0 50%, #327786 0 75%, #a8d5d1 0)}.chessground-board.cg-wrap coords{opacity:.92;color:#c2ccd3;font-size:10px;font-weight:800}.chessground-board.cg-wrap coords.ranks.left{width:13px;height:100%;top:0;left:-18px}.chessground-board.cg-wrap coords.files{width:100%;height:15px;bottom:-21px;left:0}.chessground-board[data-input-mode=arrow] cg-board{cursor:crosshair}.chessground-board[data-input-mode=arrow][data-arrow-started=true] cg-board{cursor:cell}.chessground-board .cg-shapes,.chessground-board .cg-shapes-below{forced-color-adjust:none;opacity:1!important;visibility:visible!important;-webkit-filter:none!important;mix-blend-mode:normal!important}.chessground-board .cg-shapes path,.chessground-board .cg-shapes marker,.chessground-board .cg-shapes-below path,.chessground-board .cg-shapes-below marker{-webkit-filter:none!important}.board-arrow-mode{border-color:#36c7f4;max-width:min(710px,100vh - 234px);box-shadow:0 26px 70px #00000070,inset 0 0 0 2px #36c7f438,0 0 28px #36c7f414}.arrow-instruction{color:#ecfbff;forced-color-adjust:none;background:linear-gradient(100deg,#123443,#102430 72%);border:1px solid #36c7f47d;border-radius:10px;grid-template-columns:auto 1fr auto;align-items:center;gap:11px;width:100%;max-width:680px;min-height:43px;margin:0 auto 9px;padding:7px 11px;display:grid;box-shadow:0 10px 28px #0004,inset 0 0 22px #36c7f410}.arrow-instruction-icon{color:#06151d;background:#36c7f4;border-radius:8px;place-items:center;width:29px;height:29px;font-size:21px;font-weight:950;display:grid;box-shadow:0 0 17px #36c7f459}.arrow-instruction>div{gap:1px;display:grid}.arrow-instruction strong{text-transform:uppercase;letter-spacing:.07em;font-size:10px}.arrow-instruction small{color:#b9dce7;font-size:9px;line-height:1.4}.arrow-instruction-step{color:#8be6ff;letter-spacing:.07em;white-space:nowrap;border:1px solid #75d9f257;border-radius:999px;padding:5px 8px;font-size:8px;font-weight:850}.arrow-instruction-waiting{box-shadow:none;background:#13202a;border-color:#506472}.arrow-instruction-waiting .arrow-instruction-icon{color:#e7edf0;box-shadow:none;background:#526774}.square{cursor:pointer;isolation:isolate;border:0;place-items:center;min-width:0;min-height:0;padding:0;transition:filter .16s;display:grid;position:relative}.square.light{background:var(--board-light)}.square.dark{background:var(--board-dark)}.square:after{content:"";z-index:-1;opacity:0;background:var(--acid);transition:opacity .12s;position:absolute;inset:0}.square:hover:after{opacity:.13}.square.selected:after{opacity:.42}.square.last-move:after{opacity:.29}.square.selected.last-move:after{opacity:.44}.square.wrong:after{opacity:.64;background:#d9604c;animation:.38s wrong-square}@keyframes wrong-square{40%{opacity:.9}}.square.hint-piece:after{opacity:.48;background:#ffc62e;animation:1.1s ease-in-out infinite hint-pulse}.square.hint-target{box-shadow:inset 0 0 0 4px #ffc62ecc}.square.hint-target:before{content:"?";z-index:5;aspect-ratio:1;color:#302200;background:#ffc62e;border-radius:50%;place-items:center;width:31%;font-size:clamp(10px,1.1vw,17px);font-weight:950;display:grid;position:absolute;box-shadow:0 5px 14px #0006}.square.correct-flash:after{opacity:.62;background:var(--acid);animation:.7s both correct-flash}@keyframes hint-pulse{50%{opacity:.22}}@keyframes correct-flash{0%{opacity:.92}to{opacity:.3}}.move-feedback-badge{z-index:10;color:#fff;pointer-events:none;border:2px solid #f7faf6;border-radius:50%;justify-items:center;min-width:41%;padding:5px 5px 4px;animation:1.25s cubic-bezier(.2,.9,.2,1) both badge-pop;display:grid;position:absolute;top:-8%;right:-8%;box-shadow:0 7px 18px #0007}.move-feedback-badge b{font-size:clamp(10px,1.25vw,18px);line-height:1}.move-feedback-badge small{text-overflow:ellipsis;text-transform:uppercase;white-space:nowrap;max-width:54px;font-size:clamp(4px,.42vw,7px);font-weight:900;overflow:hidden}.feedback-brilliant{background:#10aaa6}.feedback-best{background:#2b92c8}.feedback-correct{background:#79b744}.feedback-warning{background:#f29b23}.feedback-blunder{background:#e13e3b}.feedback-bot{color:var(--acid);border-color:var(--acid);background:#354457}@keyframes badge-pop{0%{opacity:0;transform:scale(.3)rotate(-14deg)}18%{opacity:1;transform:scale(1.14)rotate(4deg)}75%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.84)translateY(-8px)}}.piece{z-index:2;object-fit:contain;-webkit-user-select:none;user-select:none;pointer-events:auto;width:88%;height:88%;position:relative;transform:translateY(-1px)}.piece[draggable=true]{cursor:grab}.piece[draggable=true]:active{cursor:grabbing;transform:translateY(-1px)scale(1.04)}.piece-w{filter:drop-shadow(0 3px 2px #0810198a)}.piece-b{filter:drop-shadow(0 3px 2px #08101999)}.rank-label,.file-label{z-index:3;color:#eef0e7a8;text-transform:uppercase;pointer-events:none;font-size:8px;font-weight:800;position:absolute}.light .rank-label,.light .file-label{color:#263547bb}.rank-label{top:3px;left:4px}.file-label{bottom:3px;right:4px}.target-dot{z-index:4;aspect-ratio:1;pointer-events:none;background:#111a2288;border-radius:50%;width:20%;position:absolute;box-shadow:0 0 0 4px #ffffff20}.capture-ring{z-index:4;pointer-events:none;border:clamp(3px,.45vw,6px) solid #8bc34a99;border-radius:50%;position:absolute;inset:7%}.bot-board-status{z-index:8;color:#f7f4e9;pointer-events:none;background:#18201de8;border:1px solid #e6e1d333;border-radius:7px;align-items:center;gap:10px;min-width:205px;padding:9px 12px;display:flex;position:absolute;top:21px;left:50%;overflow:hidden;transform:translate(-50%);box-shadow:0 12px 32px #10151166}.generation-hidden-status{display:none}.generation-overlay{z-index:9;text-align:center;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#09121ada;border-radius:7px;place-content:center;justify-items:center;gap:8px;display:grid;position:absolute;inset:8px 8px 25px 25px}.generation-overlay:before{content:"";border:1px solid #8bc34a26;border-radius:50%;animation:1.8s ease-in-out infinite generation-ring;position:absolute;inset:18%}.generation-spinner{color:var(--acid);font-size:33px;line-height:1;animation:1.4s linear infinite generation-spin}.generation-overlay strong{letter-spacing:-.01em;font-size:14px}.generation-overlay small{max-width:300px;color:var(--muted);font-size:10px;line-height:1.5}.database-overlay{background:#091722e8}.database-overlay .generation-spinner{color:#36c7f4}.game-review-overlay{background:#0a131bea}.review-eval-rail{z-index:8;background:linear-gradient(to top, #f1eee5 0 var(--white-share), #131a20 var(--white-share) 100%);pointer-events:none;border:1px solid #71808c;border-radius:4px;width:12px;position:absolute;top:8px;bottom:25px;left:6px;overflow:visible;box-shadow:0 3px 11px #0007}.review-eval-rail i{left:-2px;right:-2px;bottom:var(--white-share);background:#36c7f4;height:2px;position:absolute;box-shadow:0 0 8px #36c7f4}.review-eval-rail span{z-index:2;color:#f4f7f8;background:#09121ade;border-radius:4px;padding:3px 5px;font-size:7px;font-weight:900;position:absolute;top:5px;left:16px}@keyframes generation-spin{to{transform:rotate(360deg)}}@keyframes generation-ring{50%{opacity:.35;transform:scale(.88)}}.bot-board-status:after{content:"";background:linear-gradient(110deg,#0000 20%,#ffffff17 48%,#0000 75%);animation:1.25s linear infinite bot-shimmer;position:absolute;inset:0;transform:translate(-110%)}@keyframes bot-shimmer{to{transform:translate(110%)}}.bot-board-status>span{background:var(--acid);width:30px;height:30px;color:var(--ink);border-radius:50%;place-items:center;font-size:9px;font-weight:900;display:grid}.bot-board-status div{gap:2px;display:grid}.bot-board-status strong{text-transform:uppercase;letter-spacing:.07em;font-size:9px}.bot-board-status small{color:#bac1ba;font-size:8px}.board-footer{width:100%;max-width:680px;color:var(--muted);justify-content:space-between;align-items:center;gap:20px;margin:11px auto 0;font-size:10px;display:flex}.engine-state{text-transform:uppercase;letter-spacing:.08em;align-items:center;gap:8px;font-size:8px;font-weight:800;display:flex}.engine-pulse{background:#729d3a;border-radius:50%;width:6px;height:6px}.engine-thinking .engine-pulse,.engine-loading .engine-pulse{background:#b49b36;animation:1s ease-in-out infinite pulse}.engine-offline .engine-pulse{background:#a14e43}@keyframes pulse{50%{opacity:.5}}.board-utilities{align-items:center;gap:13px;display:flex}.board-utilities button,.board-utilities a{color:var(--muted);cursor:pointer;background:0 0;border:0;padding:3px 0;font-size:9px;font-weight:700;text-decoration:none}.board-utilities button:hover,.board-utilities a:hover{color:var(--ink)}.board-utilities button:disabled{opacity:.45;cursor:default}.calculation-panel{border:1px solid var(--line);background:radial-gradient(circle at 62% 5%, #22374742, transparent 28%), var(--panel);scrollbar-color:#34495a transparent;scrollbar-width:thin;border-radius:16px;flex-direction:column;align-self:start;min-width:0;max-height:calc(100vh - 96px);margin:18px 18px 18px 0;padding:clamp(22px,2.2vw,32px) clamp(24px,2.6vw,38px) 24px;display:flex;overflow-y:auto}.calculation-panel::-webkit-scrollbar{width:8px}.calculation-panel::-webkit-scrollbar-thumb{background:#34495a padding-box padding-box;border:2px solid #0000;border-radius:999px}.turn-banner{color:#f7f5ed;background:#17222d;border:1px solid #344858;border-radius:12px;grid-template-columns:auto 1fr auto;align-items:center;gap:13px;margin:0 0 25px;padding:12px 13px;display:grid;box-shadow:0 14px 34px #0003}.turn-banner.turn-user{background:linear-gradient(110deg,#1d342a,#172a2f 72%);border-color:#8bc34a4a;box-shadow:0 14px 34px #0003,inset 0 0 0 1px #8bc34a0b}.turn-banner.turn-user .turn-avatar{border-color:var(--acid);animation:1.4s ease-in-out infinite turn-pulse;box-shadow:0 0 0 4px #8bc34a12}@keyframes turn-pulse{50%{box-shadow:0 0 0 8px #8bc34a05}}.turn-banner.turn-bot{background:linear-gradient(90deg,#17222d,#202b37)}.turn-banner.turn-generating{background:linear-gradient(105deg,#172a25,#17232e);border-color:#8bc34a45}.turn-banner.turn-generating .turn-avatar{border-color:var(--acid);animation:1.6s linear infinite generation-spin}.turn-banner.turn-complete{color:#fff;background:linear-gradient(110deg,#75ad43,#9bd35a);border-color:#0000;animation:.6s both banner-win}.turn-banner.turn-review{background:linear-gradient(105deg,#123341,#172838);border-color:#36c7f46b}.turn-banner.turn-review .turn-avatar{color:#fff;background:#17465a;border-color:#36c7f4;font-size:15px}@keyframes banner-win{0%{filter:brightness(1.65);transform:translateY(-4px)}}.turn-avatar{width:38px;height:38px;color:var(--acid);background:#0710184d;border:1px solid #f1eee24d;border-radius:9px;place-items:center;font-size:10px;font-weight:900;display:grid}.turn-complete .turn-avatar{color:#fff;border-color:#fff8}.turn-banner>div{gap:2px;display:grid}.turn-banner small{color:#aeb9bd;text-transform:uppercase;letter-spacing:.09em;font-size:9px;font-weight:800}.turn-complete small{color:#eaf4dd}.turn-banner strong{letter-spacing:-.015em;font-size:16px;font-weight:720}.practice-tabs{background:#0e1821;border:1px solid #283a48;border-radius:10px;grid-template-columns:1fr 1fr auto;gap:5px;margin:-6px 0 20px;padding:4px;display:grid}.practice-tabs button{min-height:35px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;cursor:pointer;background:0 0;border:0;border-radius:7px;padding:0 10px;font-size:9px;font-weight:800}.practice-tabs button.active{color:var(--ink);background:#263a48;box-shadow:0 3px 10px #0003}.practice-tabs button.arrow-active{color:#dff9ff;background:linear-gradient(105deg,#17506a,#1d3f50);box-shadow:inset 0 0 0 1px #36c7f46b,0 5px 16px #0004}.practice-tabs button:disabled{opacity:.45;cursor:default}.panel-kicker{align-items:center;gap:12px;display:flex}.panel-kicker>span{width:24px;height:24px;color:var(--acid);border:1px solid #526274;border-radius:50%;place-items:center;display:grid}.calculation-panel h2,.settings-modal h2{letter-spacing:-.04em;max-width:500px;margin:13px 0 8px;font-size:clamp(30px,2.6vw,38px);font-weight:740;line-height:1.08}.panel-intro{max-width:480px;color:var(--muted);margin:8px 0 21px;font-size:13px;line-height:1.58}.line-card{background:#101a23b8;border:1px solid #2d4050;border-radius:12px;overflow:hidden;box-shadow:0 14px 34px #00000024}.line-header{color:#a5b0b8;letter-spacing:.11em;text-transform:uppercase;justify-content:space-between;padding:12px 14px;font-size:9px;font-weight:850;display:flex}.move-table{border-top:1px solid var(--line);scrollbar-color:#34495a transparent;scrollbar-width:thin;max-height:210px;overflow:auto}.move-row{border-top:1px solid var(--line-soft);grid-template-columns:39px 1fr 1fr;min-height:42px;display:grid}.move-row:first-child{border-top:0}.move-number{color:var(--muted);text-align:center;align-self:center;font-size:11px;font-weight:700}.move-row>div{border-left:1px solid var(--line);align-items:center;min-width:0;padding:0 12px;display:flex}.move-value,.unavailable-move{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:720;display:block;overflow:hidden}.move-value{align-items:center;gap:6px;display:flex}.move-actor{color:#d4dbe0;letter-spacing:.05em;text-align:center;background:#344354;border-radius:4px;flex:none;min-width:28px;padding:3px 5px;font-family:Inter,sans-serif;font-size:7px;font-weight:900}.unavailable-move{color:#97988f;font-weight:400}.move-next{color:#aab5be;font-weight:500}.move-next:before{content:"";vertical-align:1px;background:#769037;border-radius:50%;width:5px;height:5px;margin-right:7px;display:inline-block}.move-correct{color:var(--success)}.move-wrong{color:var(--danger);text-decoration:line-through;text-decoration-thickness:1px}.inline-grade{color:#fff;border-radius:50%;flex:0 0 20px;place-items:center;height:20px;margin-left:auto;font-size:9px;display:grid}.grade-brilliant{background:#10aaa6}.grade-best{background:#2b92c8}.grade-correct{background:#79b744}.grade-warning{background:#f29b23}.grade-blunder{background:#e13e3b}.grade-bot{color:var(--acid);background:#1b2733;border:1px solid #64788e;font-size:6px}.feedback-legend{flex-wrap:wrap;gap:7px;margin-top:12px;display:flex}.feedback-legend>span{color:#aeb9c1;text-transform:uppercase;letter-spacing:.04em;background:#121e27;border:1px solid #2b3c4a;border-radius:999px;align-items:center;gap:6px;padding:4px 8px 4px 4px;font-size:8px;font-weight:800;display:flex}.feedback-legend b{color:#fff;border-radius:50%;place-items:center;width:21px;height:21px;font-size:9px;display:grid}.legend-brilliant b{background:#10aaa6}.legend-best b{background:#2b92c8}.legend-correct b{background:#79b744}.legend-warning b{background:#f29b23}.feedback-locked{color:#d7eef5;background:#122330;border:1px solid #385061;border-radius:10px;align-items:center;gap:11px;margin-top:12px;padding:10px 12px;display:flex}.feedback-locked>span{color:#5edcff;background:#36c7f421;border-radius:50%;flex:0 0 27px;place-items:center;height:27px;font-size:12px;display:grid}.feedback-locked>div{gap:2px;display:grid}.feedback-locked strong{text-transform:uppercase;letter-spacing:.07em;font-size:9px}.feedback-locked small{color:#9db0bb;font-size:9px;line-height:1.4}.generation-card{background:linear-gradient(135deg,#172820,#111d25);border:1px solid #395040;border-radius:12px;grid-template-columns:auto 1fr auto;align-items:center;gap:15px;min-height:124px;padding:18px;display:grid;box-shadow:0 14px 34px #00000024}.generation-card-icon{width:40px;height:40px;color:var(--acid);background:#8bc34a17;border-radius:11px;place-items:center;font-size:19px;display:grid}.generation-card>div{gap:5px;display:grid}.generation-card strong{text-transform:uppercase;letter-spacing:.07em;font-size:11px}.generation-card p{max-width:380px;color:var(--muted);margin:0;font-size:11px;line-height:1.5}.generation-dots{align-items:center;gap:4px;display:flex}.generation-dots i{background:var(--acid);border-radius:50%;width:5px;height:5px;animation:1.1s ease-in-out infinite generation-dot}.generation-dots i:nth-child(2){animation-delay:.14s}.generation-dots i:nth-child(3){animation-delay:.28s}@keyframes generation-dot{50%{opacity:.25;transform:translateY(-4px)}}.progressive-hint{width:100%;color:var(--ink);text-align:left;cursor:pointer;background:linear-gradient(135deg,#182733,#111c25);border:1px solid #374b5b;border-radius:12px;grid-template-columns:auto 1fr auto;align-items:center;gap:13px;margin-top:14px;padding:14px 15px;transition:border-color .2s,transform .2s,background .2s;display:grid;box-shadow:0 10px 26px #0003}.progressive-hint:not(:disabled):hover{border-color:#ffc62e99;transform:translateY(-2px)}.progressive-hint:disabled{cursor:default}.hint-bulb{color:#352500;background:#ffc62e;border-radius:50%;place-items:center;width:34px;height:34px;font-family:Georgia,serif;font-size:20px;font-weight:900;display:grid;box-shadow:0 0 0 5px #ffc62e18}.progressive-hint div{gap:3px;display:grid}.progressive-hint strong{text-transform:uppercase;letter-spacing:.08em;font-size:10px}.progressive-hint p{color:#b3bdc4;margin:0;font-size:11px;line-height:1.45}.hint-level-3 .hint-bulb{background:var(--acid);box-shadow:0 0 0 5px #8bc34a1d}.tip-card{background:#eeece4;border:1px solid #c9c6b9;gap:13px;margin-top:21px;padding:14px 57px 14px 14px;display:flex;position:relative}.tip-icon{background:var(--acid);border-radius:50%;flex:0 0 29px;place-items:center;height:29px;font-weight:800;display:grid}.tip-card strong{text-transform:uppercase;letter-spacing:.07em;margin:1px 0 4px;font-size:9px;display:block}.tip-card p{color:var(--muted);margin:0;font-family:Georgia,serif;font-size:11px;line-height:1.45}.tip-card>button{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;cursor:pointer;background:0 0;border:0;padding:3px 5px;font-size:8px;position:absolute;top:12px;right:11px}.hint-open{background:#f2f5de;border-color:#c7cf91}.move-error{color:#ffb7b3;background:#401d22;border:1px solid #ff625b66;border-radius:10px;align-items:center;gap:10px;margin-top:14px;padding:11px 13px;font-size:10px;line-height:1.4;animation:.35s error-shake;display:flex}.move-error>span{color:#fff;background:#ba5a49;border-radius:50%;flex:0 0 21px;place-items:center;height:21px;font-size:15px;display:grid}@keyframes error-shake{30%{transform:translate(-4px)}60%{transform:translate(4px)}}.panel-actions{align-items:center;gap:12px;margin-top:0;padding-top:20px;display:flex}.edit-actions{gap:10px;display:flex}.text-button{color:var(--muted);cursor:pointer;background:0 0;border:0;padding:6px 2px;font-size:10px;font-weight:650;text-decoration:none}.text-button:hover:not(:disabled){color:var(--ink)}.text-button:disabled{opacity:.35;cursor:default}.primary-button,.secondary-button{border:1px solid var(--acid);text-transform:uppercase;letter-spacing:.08em;cursor:pointer;border-radius:10px;min-height:49px;font-size:10px;font-weight:850;transition:transform .2s,filter .2s}.primary-button{color:#16220e;background:linear-gradient(135deg,#a5dc63,#8fc84f);flex:1;justify-content:space-between;align-items:center;padding:0 17px;display:flex;box-shadow:0 12px 30px #9bd35a24}.primary-button:not(:disabled):hover,.secondary-button:hover{filter:brightness(1.04);transform:translateY(-1px)}.primary-button:disabled{opacity:.34;cursor:not-allowed}.primary-button span{color:#16220e;font-size:18px}.secondary-button{color:var(--acid);background:#9bd35a0a;padding:0 16px}.play-status{background:#16222d;border:1px solid #3e4e60;border-radius:10px;flex:1;gap:3px;min-height:49px;padding:8px 15px;display:grid}.play-status.ready{border-color:var(--acid);color:#fff;background:linear-gradient(135deg,#243529,#1b2a24);box-shadow:inset 0 0 0 1px #8bc34a22}.play-status span{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:8px;font-weight:800}.calculation-submit-panel{border-top:1px solid var(--line);gap:10px;margin-top:18px;padding-top:16px;display:grid}.calculation-edit-actions{justify-content:space-between;gap:10px;display:flex}.calculation-edit-actions button{color:#aebac2;cursor:pointer;background:0 0;border:0;padding:5px 0;font-size:9px;font-weight:750}.calculation-edit-actions button:hover:not(:disabled){color:#fff}.calculation-edit-actions button:disabled{opacity:.35;cursor:default}.calculation-submit{flex:none;width:100%}.calculation-submit span{color:#16220e;font-size:10px}.calculation-submit b{color:#16220e;font-size:18px}.result-panel{flex-direction:column;flex:1;display:flex;position:relative}.result-orb{border-radius:50%;place-items:center;width:70px;height:70px;margin-bottom:22px;font-size:22px;font-weight:850;display:grid}.result-orb.success{background:var(--acid);color:#16220e;animation:.6s cubic-bezier(.2,1.3,.3,1) both result-pop;box-shadow:0 0 0 9px #8bc34a18,0 16px 40px #8bc34a33}.result-orb.retry{color:#ff8d87;background:#4a2024;border:1px solid #ff625b77}@keyframes result-pop{0%{opacity:0;transform:scale(.2)rotate(-15deg)}}.answer-card{background:#101a23;border:1px solid #2d4050;border-radius:12px;margin-top:9px;overflow:hidden}.answer-line{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:7px;padding:14px;display:flex}.answer-line>span{background:#17232e;border:1px solid #3d4d5e;align-items:center;gap:6px;padding:7px 9px;font-size:12px;font-weight:700;display:flex}.answer-line small{color:var(--muted);font-family:Inter,sans-serif;font-size:7px}.calculation-review-list{background:#101a23;border:1px solid #2d4050;border-radius:12px;margin-top:14px;overflow:hidden}.calculation-review-list>.line-header{border-bottom:1px solid var(--line)}.calculation-review-item{border-top:1px solid var(--line-soft);grid-template-columns:27px 1fr auto;align-items:start;gap:10px;padding:12px;display:grid}.calculation-review-item:first-of-type{border-top:0}.review-ply{color:#9fadb7;border:1px solid #445768;border-radius:7px;place-items:center;width:25px;height:25px;font-size:8px;font-weight:850;display:grid}.calculation-review-item>div{min-width:0}.review-move-line{align-items:baseline;gap:9px;display:flex}.review-move-line strong{color:#f4f7f8;font-size:12px}.review-move-line span{color:#9eb0bc;font-size:9px}.calculation-review-item p{color:#9faeb7;margin:4px 0 0;font-size:9px;line-height:1.48}.review-accepted{border-left:2px solid #8bc34a}.review-missed{background:#32191d42;border-left:2px solid #ff6b64}.progress-snapshot{background:#13212b;border:1px solid #304454;border-radius:11px;grid-template-columns:repeat(3,1fr);margin-top:14px;display:grid}.progress-snapshot>div{text-align:center;border-left:1px solid #304454;gap:2px;padding:12px;display:grid}.progress-snapshot>div:first-child{border-left:0}.progress-snapshot strong{color:var(--acid);font-size:18px}.progress-snapshot span{color:#8999a4;text-transform:uppercase;letter-spacing:.07em;font-size:7px;font-weight:800}.lesson-card{border:1px solid #304353;border-left:3px solid var(--acid);background:#14212b;border-radius:10px;margin-top:18px;padding:15px 16px}.lesson-card>span{color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:5px;font-size:8px;font-weight:800;display:block}.lesson-card strong{font-size:13px;font-weight:700}.lesson-card p{color:var(--muted);text-transform:capitalize;margin:4px 0 0;font-size:9px}.result-actions{flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:28px;display:flex}.game-review-button{color:#8be6ff;border-color:#36c7f4}.game-review-panel{flex-direction:column;flex:1;min-height:0;display:flex}.review-hero{grid-template-columns:auto 1fr;align-items:start;gap:15px;display:grid}.review-grade{color:#fff;border-radius:16px;place-items:center;width:66px;height:66px;font-size:25px;font-weight:950;display:grid;box-shadow:0 14px 32px #0004}.review-hero .panel-kicker{margin-top:1px}.review-hero h2{margin-top:7px;font-size:clamp(24px,2.2vw,32px)}.review-score-grid{background:#101a23;border:1px solid #304454;border-radius:12px;grid-template-columns:repeat(3,1fr);margin-top:19px;display:grid;overflow:hidden}.review-score-grid>div{text-align:center;border-left:1px solid #304454;gap:1px;padding:12px 10px;display:grid}.review-score-grid>div:first-child{border-left:0}.review-score-grid span,.review-score-grid small{color:#8f9da6;text-transform:uppercase;letter-spacing:.08em;font-size:7px;font-weight:800}.review-score-grid strong{color:#f3f6f7;font-size:19px}.review-decision-card{background:#14212b;border:1px solid #304454;border-radius:12px;grid-template-columns:1fr 1fr;margin-top:12px;display:grid;overflow:hidden}.review-decision-card>div{border-left:1px solid #304454;gap:3px;padding:13px 15px;display:grid}.review-decision-card>div:first-child{border-left:0}.review-decision-card span,.review-best-line span{color:#8fa0aa;text-transform:uppercase;letter-spacing:.1em;font-size:7px;font-weight:850}.review-decision-card strong{font-size:18px}.review-decision-card small{color:#9eb0bc;font-size:8px}.review-best-line{background:#102532;border-left:3px solid #36c7f4;border-radius:8px;gap:4px;margin-top:12px;padding:12px 14px;display:grid}.review-best-line strong{color:#dff9ff;text-overflow:ellipsis;white-space:nowrap;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px;overflow:hidden}.review-best-line small{color:#84a5b4;font-size:8px}.ai-coach-card{background:#25231f;border:1px solid #45423c;border-radius:4px;justify-content:space-between;align-items:center;gap:14px;margin-top:12px;padding:11px 12px;display:flex}.ai-coach-card>div{gap:3px;min-width:0;display:grid}.ai-coach-card span{color:#d8d4cc;font-size:9px;font-weight:700}.ai-coach-card small{color:#918d84;font-size:8px;line-height:1.4}.ai-coach-card em{color:#e4a29d;font-size:8px;font-style:normal}.ai-coach-card button{color:#dce9ca;cursor:pointer;background:#34372d;border:1px solid #6e765e;border-radius:3px;flex:none;min-height:34px;padding:0 12px;font-size:9px;font-weight:700}.ai-coach-card button:hover{background:#3c4132;border-color:#8e9c74}.ai-coach-card button:disabled{cursor:default;opacity:.65}.ai-coach-card.ai-ready{background:#242a21;border-color:#52604a}.review-timeline{scrollbar-width:thin;grid-auto-columns:minmax(78px,1fr);grid-auto-flow:column;gap:6px;margin-top:14px;padding-bottom:5px;display:grid;overflow-x:auto}.review-timeline button{color:#fff;cursor:pointer;opacity:.58;border:1px solid #0000;border-radius:8px;grid-template-columns:auto 1fr auto;align-items:center;gap:6px;min-height:44px;padding:7px 8px;display:grid}.review-timeline button.active{opacity:1;border-color:#fff9;box-shadow:0 0 0 2px #36c7f43d}.review-timeline small{opacity:.75;font-size:7px}.review-timeline strong{text-overflow:ellipsis;white-space:nowrap;font-size:10px;overflow:hidden}.review-timeline b{font-size:11px}.review-navigation{grid-template-columns:1fr auto 1fr;align-items:center;gap:10px;margin-top:11px;display:grid}.review-navigation button{color:#dce5ea;cursor:pointer;background:#15232e;border:1px solid #405467;border-radius:8px;min-height:36px;font-size:9px;font-weight:800}.review-navigation button:last-child{justify-self:stretch}.review-navigation button:disabled{opacity:.3;cursor:default}.review-navigation span{color:#93a3ad;text-transform:uppercase;letter-spacing:.08em;text-align:center;font-size:8px;font-weight:850}.review-actions{padding-top:18px}.modal-backdrop{z-index:50;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);background:#1d211da8;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.settings-modal{scrollbar-color:#34495a transparent;scrollbar-width:thin;background:#111b25;border:1px solid #354759;border-radius:16px;width:min(640px,100%);max-height:calc(100vh - 40px);padding:36px 40px;position:relative;overflow-y:auto;box-shadow:0 30px 100px #000b}.modal-close{border:1px solid var(--line);cursor:pointer;background:0 0;border-radius:50%;width:31px;height:31px;font-size:20px;position:absolute;top:16px;right:18px}.settings-group+.settings-group{margin-top:22px}.settings-group>span{color:var(--muted);text-transform:uppercase;letter-spacing:.09em;margin-bottom:10px;font-size:9px;font-weight:800;display:block}.side-options{border:1px solid var(--line);border-radius:10px;grid-template-columns:repeat(3,1fr);display:grid;overflow:hidden}.side-options button{border:0;border-right:1px solid var(--line);text-align:left;cursor:pointer;background:0 0;grid-template-rows:auto auto;grid-template-columns:auto 1fr;column-gap:10px;padding:12px;display:grid}.side-options button:last-child{border-right:0}.side-options button.active{background:var(--acid);color:#16220e}.side-options strong{align-self:end;font-size:13px;font-weight:700}.side-options small{color:var(--muted);grid-column:2;font-size:7px}.side-options .active small{color:#30431f}.side-piece{border:2px solid #414741;border-radius:50%;grid-row:1/span 2;align-self:center;place-items:center;width:22px;height:22px;font-size:11px;font-style:normal;font-weight:900;display:grid}.side-white{background:#f7f4e9}.side-black{background:#495049}.side-random{color:#111b25;background:linear-gradient(90deg,#f7f4e9 50%,#495049 50%)}.side-options .active .side-piece{border-color:var(--acid)}.mode-options{border:1px solid var(--line);border-radius:10px;grid-template-columns:1fr 1fr;display:grid;overflow:hidden}.mode-options button{border:0;border-right:1px solid var(--line);color:var(--ink);text-align:left;cursor:pointer;background:0 0;gap:4px;padding:13px 14px;display:grid}.mode-options button:last-child{border-right:0}.mode-options button.active{background:var(--acid);color:#16220e}.mode-options strong{font-size:11px}.mode-options small{color:var(--muted);font-size:8px}.mode-options .active small{color:#30431f}.elo-options{border:1px solid var(--line);border-radius:10px;grid-template-columns:repeat(3,1fr);display:grid;overflow:hidden}.elo-options button{border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--ink);cursor:pointer;background:0 0;gap:2px;padding:11px 8px;display:grid}.elo-options button:nth-child(3n){border-right:0}.elo-options button:nth-last-child(-n+3){border-bottom:0}.elo-options button.active{background:var(--acid);color:#16220e}.elo-options strong{font-size:15px}.elo-options small{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-size:7px}.elo-options .active small{color:#30431f}.depth-options{border:1px solid var(--line);border-radius:10px;grid-template-columns:repeat(4,1fr);display:grid;overflow:hidden}.depth-options button{border:0;border-right:1px solid var(--line);cursor:pointer;background:0 0;gap:2px;padding:14px 8px;display:grid}.depth-options button:last-child{border-right:0}.depth-options button.active{background:var(--acid);color:#16220e}.depth-options strong{font-size:19px;font-weight:750}.depth-options small{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:7px}.depth-options .active small{color:#30431f}.stat-grid{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);margin:27px 0;display:grid}.stat-grid>div{text-align:center;border-right:1px solid var(--line);gap:3px;padding:17px 0;display:grid}.stat-grid>div:last-child,.stat-grid>div:nth-child(3n){border-right:0}.stat-grid>div:nth-child(n+4){border-top:1px solid var(--line)}.stat-grid strong{font-size:22px;font-weight:740}.stat-grid span{color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-size:7px}.progress-detail{background:#13202a;border:1px solid #304252;border-radius:10px;gap:3px;margin:-8px 0 22px;padding:12px 14px;display:grid}.progress-detail>span{color:var(--acid);text-transform:uppercase;letter-spacing:.09em;font-size:7px;font-weight:850}.progress-detail strong{text-transform:capitalize;font-size:12px}.progress-detail small{color:var(--muted);font-size:8px}.data-note{color:var(--muted);margin:0;font-size:9px;line-height:1.55}.data-note a{color:var(--acid);text-underline-offset:2px}.solve-clock{font-variant-numeric:tabular-nums;color:var(--acid)!important}.premove-chip{color:#8be6ff;border:1px solid #36c7f45c;border-radius:999px;padding:3px 7px;font-size:8px;font-weight:800}.candidate-line{flex-wrap:wrap;gap:6px;margin-top:7px;display:flex}.candidate-line b{color:#dff8c4;background:#8bc34a13;border:1px solid #8bc34a66;border-radius:6px;padding:4px 7px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:9px}.wrong-move-coach{background:#2a2018;border:1px solid #f29b2366;border-radius:10px;grid-template-columns:1fr 1fr;gap:1px;margin-top:10px;display:grid;overflow:hidden}.wrong-move-coach>div{background:#ffffff05;gap:2px;padding:10px 12px;display:grid}.wrong-move-coach>div+div{border-left:1px solid #f29b2340}.wrong-move-coach span{color:#c9a776;text-transform:uppercase;letter-spacing:.09em;font-size:7px;font-weight:850}.wrong-move-coach strong{font-size:14px}.wrong-move-coach p{color:#e5cda9;grid-column:1/-1;margin:0;padding:10px 12px;font-size:9px;line-height:1.5}.adaptive-snapshot{grid-template-columns:repeat(4,1fr)}.share-status{color:var(--acid);text-align:center;margin:8px 0 0;font-size:9px}.filter-grid{grid-template-columns:1fr 1fr;gap:9px;display:grid}.filter-grid label{gap:6px;display:grid}.filter-grid select{width:100%;min-height:39px;color:var(--ink);cursor:pointer;background:#0d1720;border:1px solid #34495a;border-radius:8px;padding:0 10px;font-size:9px}.cache-note,.shortcut-note{color:#8495a0;margin:9px 0 0;font-size:8px;line-height:1.5}.filter-search-button{width:100%;min-height:40px;color:var(--acid);cursor:pointer;background:#8bc34a12;border:1px solid #8bc34a66;border-radius:8px;margin-top:10px;font-size:9px;font-weight:850}.preference-options{border:1px solid var(--line);border-radius:10px;grid-template-columns:repeat(3,1fr);display:grid;overflow:hidden}.preference-options button{border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-transform:capitalize;cursor:pointer;background:0 0;gap:2px;min-height:52px;padding:9px;display:grid}.preference-options button:nth-child(3n){border-right:0}.preference-options button:nth-last-child(-n+2){border-bottom:0}.preference-options button.active{color:#16220e;background:#8bc34a}.preference-options strong{font-size:10px}.preference-options small{color:var(--muted);text-transform:none;font-size:7px}.preference-options .active small{color:#30431f}button:focus-visible{outline:2px solid var(--acid);outline-offset:3px}a:focus-visible{outline:2px solid var(--acid);outline-offset:3px}.square:focus-visible{outline:2px solid var(--acid);outline-offset:3px}@media (min-width:1500px) and (min-height:850px){.board-column{padding-left:clamp(42px,5vw,82px);padding-right:clamp(42px,5vw,82px)}}@media (max-width:1120px){.workspace{grid-template-columns:minmax(500px,1.08fr) minmax(390px,.92fr)}.board-column{padding-left:25px;padding-right:25px}.calculation-panel{padding-left:28px;padding-right:28px}.board-wrap{min-width:0}}@media (max-width:930px){.topbar{grid-template-columns:1fr auto;padding:0 20px}.session-strip{display:none}.workspace{grid-template-columns:1fr}.board-column{padding:28px 18px 25px}.board-wrap{max-width:710px}.piece{width:84%;height:84%}.calculation-panel{border-left:0;border-right:0;border-radius:0;min-height:0;max-height:none;margin:0;overflow:visible}.board-utilities{flex-wrap:wrap}.board-utilities button,.board-utilities a{align-items:center;min-height:32px;display:inline-flex}}@media (max-width:560px){.topbar{height:62px}.workspace{min-height:calc(100vh - 62px)}.streak-chip{display:none}.position-heading{flex-direction:column;align-items:start;gap:11px}.position-meta{justify-content:start;max-width:none}.board-wrap{padding:7px 7px 23px 23px}.piece{width:86%;height:86%}.board-footer{flex-direction:column;align-items:start;gap:8px}.calculation-panel{min-height:610px;padding:34px 20px 25px}.turn-banner{margin:0 0 26px;padding:13px}.panel-actions,.result-actions{flex-direction:column;align-items:stretch}.edit-actions{order:2;justify-content:space-between}.primary-button{flex:0 0 48px}.settings-modal{padding:34px 20px 25px}.modal-backdrop{align-items:end;padding:0}.settings-modal{border-bottom:0;border-left:0;border-right:0;border-radius:18px 18px 0 0;width:100%;max-height:92vh}.side-options{grid-template-columns:1fr}.side-options button{border-right:0;border-bottom:1px solid var(--line)}.side-options button:last-child{border-bottom:0}.elo-options{grid-template-columns:repeat(2,1fr)}.elo-options button:nth-child(3n){border-right:1px solid var(--line)}.elo-options button:nth-child(2n){border-right:0}.elo-options button:nth-last-child(-n+3){border-bottom:1px solid var(--line)}.elo-options button:nth-last-child(-n+2){border-bottom:0}.depth-options{grid-template-columns:repeat(2,1fr)}.depth-options button:nth-child(2){border-right:0}.depth-options button:nth-child(-n+2){border-bottom:1px solid var(--line)}.review-hero{grid-template-columns:52px 1fr;gap:11px}.review-grade{border-radius:13px;width:52px;height:52px;font-size:19px}.review-decision-card{grid-template-columns:1fr}.review-decision-card>div{border-top:1px solid #304454;border-left:0}.review-decision-card>div:first-child{border-top:0}.ai-coach-card{flex-direction:column;align-items:stretch}.ai-coach-card button{width:100%}.review-navigation{grid-template-columns:1fr 1fr}.review-navigation span{grid-area:1/1/auto/-1}.filter-grid{grid-template-columns:1fr}.preference-options{grid-template-columns:repeat(2,1fr)}.preference-options button:nth-child(3n){border-right:1px solid var(--line)}.preference-options button:nth-child(2n){border-right:0}.preference-options button:nth-last-child(-n+2){border-bottom:1px solid var(--line)}.preference-options button:last-child{border-bottom:0}.adaptive-snapshot{grid-template-columns:repeat(2,1fr)}.wrong-move-coach{grid-template-columns:1fr}.wrong-move-coach>div+div{border-top:1px solid #f29b2340;border-left:0}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;animation-duration:.01ms!important}}:root{--ink:#f0efec;--muted:#aaa7a0;--paper:#1f1e1b;--panel:#262522;--surface:#2b2a27;--surface-raised:#34322f;--line:#403e39;--line-soft:#35332f;--acid:#81b64c;--danger:#d8665a;--success:#81b64c}html{background:var(--paper)}body{background:var(--paper);color:var(--ink);font-family:Inter,Segoe UI,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,sans-serif}.topbar{height:56px;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;background:#262522;border-bottom:1px solid #35332f;padding:0 24px}.brand{letter-spacing:-.02em;gap:9px;font-size:16px;font-weight:720}.brand-mark{color:#17200f;background:#81b64c;border:0;border-radius:5px;width:28px;height:28px;font-family:Georgia,serif;font-size:19px}.session-strip{color:#9f9c95;text-transform:none;letter-spacing:0;gap:8px;font-size:11px;font-weight:550}.live-dot{width:6px;height:6px;box-shadow:none;background:#81b64c}.session-progress{color:#d6d3cd;margin-left:2px;padding-left:10px;font-weight:650}.top-actions{gap:10px}.streak-chip{color:#c9c6bf;text-transform:none;letter-spacing:0;background:#34322f;border:0;border-radius:4px;padding:4px 8px;font-size:10px;font-weight:650}.icon-button{color:#b8b5ae;border-radius:5px;width:32px;height:32px}.icon-button:hover{background:#34322f;border-color:#4a4842}.workspace{grid-template-columns:minmax(540px,760px) minmax(360px,450px);gap:30px;width:min(1260px,100%);min-height:calc(100vh - 56px);margin:0 auto;padding:28px 24px 34px}.board-column{background:0 0;justify-content:flex-start;padding:0}.position-heading{max-width:700px;margin-bottom:14px}.eyebrow,.panel-kicker{color:#96938c;letter-spacing:.04em;text-transform:none;margin-bottom:5px;font-size:10px;font-weight:650}h1{letter-spacing:-.025em;font-size:clamp(24px,2vw,29px);font-weight:680;line-height:1.15}.position-meta{gap:0;max-width:none}.position-meta span{color:#aaa7a0;letter-spacing:0;text-transform:none;background:0 0;border:0;border-radius:0;padding:0;font-size:10px;font-weight:550}.position-meta span+span:before{content:"·";color:#68655f;margin:0 7px}.board-wrap{background:#151513;border:0;border-radius:5px;max-width:min(700px,100vh - 182px);padding:8px 8px 24px 24px;box-shadow:0 8px 24px #0005}.board-wrap:focus-within{box-shadow:0 8px 24px #0005,0 0 0 2px #81b64c}.chessground-board{border:0;border-radius:2px}.chessground-board cg-board{border-radius:2px}.chessground-board.cg-wrap coords{color:#99968f;font-size:9px;font-weight:650}.board-footer{max-width:700px;margin-top:10px;font-size:10px}.engine-state{color:#8f8c85;letter-spacing:0;text-transform:none;font-size:9px;font-weight:550}.engine-pulse{width:6px;height:6px;box-shadow:none}.board-utilities{gap:14px}.board-utilities button,.board-utilities a{color:#aaa7a0;font-size:10px;font-weight:550}.board-utilities .new-game-link{color:#a8cf82}.calculation-panel{background:#262522;border:1px solid #3b3935;border-radius:7px;max-height:calc(100vh - 84px);margin:0;padding:24px 26px;box-shadow:0 8px 24px #0003}.turn-banner{border:0;border-bottom:1px solid #403e39;border-radius:0;margin-bottom:18px;padding:0 0 18px;box-shadow:none!important;background:0 0!important}.turn-avatar{color:#b9d99a;background:#34322f;border-radius:5px;width:36px;height:36px;box-shadow:none!important;border:0!important;animation:none!important}.turn-user .turn-avatar,.turn-complete .turn-avatar{color:#182210;background:#81b64c}.turn-review .turn-avatar{color:#fff;background:#477e94}.turn-banner small{color:#96938c;letter-spacing:0;text-transform:none;font-size:10px;font-weight:550}.turn-banner strong{font-size:15px;font-weight:650}.turn-count{color:#aaa7a0;border:0;border-radius:0;padding:0;font-size:10px;font-weight:600}.practice-tabs{background:#1c1b19;border:0;border-radius:5px;gap:2px;margin:0 0 20px;padding:3px}.practice-tabs button{color:#aaa7a0;letter-spacing:0;text-transform:none;border-radius:3px;min-height:34px;font-size:10px;font-weight:600}.practice-tabs button.active,.practice-tabs button.arrow-active{color:#f0efec;box-shadow:none;background:#3b3935}.practice-tabs .elo-tab{color:#a8cf82}.panel-kicker{display:block}.panel-kicker>span{display:none}.calculation-panel h2,.settings-modal h2{letter-spacing:-.025em;margin:7px 0 6px;font-size:clamp(25px,2vw,31px);font-weight:680;line-height:1.16}.panel-intro{color:#aaa7a0;margin:6px 0 18px;font-size:12px;line-height:1.55}@media (max-width:980px){.workspace{grid-template-columns:minmax(0,1fr);width:min(760px,100%)}.calculation-panel{max-height:none}}@media (max-width:560px){.topbar{height:56px;padding:0 14px}.workspace{min-height:calc(100vh - 56px);padding:20px 12px 28px}.position-meta{justify-content:flex-start}.board-wrap{padding:5px 5px 20px 20px}.calculation-panel{border-radius:6px;padding:22px 18px}}.app-shell[data-board-theme=slate] .chessground-board cg-board{background-color:#d2d5bf;background-image:conic-gradient(#68795b 25%, #d2d5bf 0 50%, #68795b 0 75%, #d2d5bf 0)}.line-card,.answer-card,.calculation-review-list{box-shadow:none;background:#1d1c1a;border-color:#403e39;border-radius:4px}.line-header{color:#9f9c95;letter-spacing:.01em;text-transform:none;padding:10px 12px;font-size:10px;font-weight:600}.move-table{border-top-color:#35332f}.move-row{border-top-color:#35332f;min-height:40px}.move-row>div{border-left-color:#403e39}.move-number{color:#85827b;font-size:10px;font-weight:550}.move-value,.unavailable-move{font-size:12px;font-weight:620}.move-actor{color:#94918a;background:0 0;min-width:0;padding:0;font-size:8px;font-weight:650}.actor-bot{color:#9fbd80;background:0 0}.inline-grade{border-radius:4px}.feedback-legend{grid-template-columns:repeat(4,auto);justify-content:start;gap:14px;margin-top:12px;padding:0 2px;display:grid}.feedback-legend>span{color:#99968f;letter-spacing:0;text-transform:none;background:0 0;border:0;border-radius:0;gap:5px;padding:0;font-size:9px;font-weight:550}.feedback-legend b{border-radius:4px;width:19px;height:19px;font-size:8px}.feedback-locked{background:#2b2a27;border-color:#484640;border-radius:4px}.feedback-locked>span{color:#b7dce9;background:#3b4d55;border-radius:4px}.feedback-locked strong{letter-spacing:0;text-transform:none;font-size:10px;font-weight:650}.progressive-hint{box-shadow:none;background:#2a2823;border:1px solid #49463e;border-left:3px solid #c4a24f;border-radius:4px;margin-top:14px;padding:13px;transition:background .15s,border-color .15s}.progressive-hint:not(:disabled):hover{background:#302d27;border-color:#6e6858 #6e6858 #6e6858 #d1b45f;transform:none}.hint-bulb{color:#282215;width:30px;height:30px;box-shadow:none;background:#c4a24f;border-radius:4px;font-family:inherit;font-size:16px}.progressive-hint strong{letter-spacing:0;text-transform:none;font-size:10px;font-weight:650}.progressive-hint p{color:#aaa7a0;font-size:11px}.hint-progress{color:#8f8c85;border:0;border-radius:0;padding:0;font-size:9px;font-weight:600}.hint-level-1,.hint-level-2,.hint-level-3{background:#2e2a21;border-color:#5a533f #5a533f #5a533f #c4a24f}.hint-level-3 .hint-bulb{box-shadow:none;background:#81b64c}.generation-card{box-shadow:none;background:#2b2a27;border-color:#484640;border-radius:4px}.generation-card-icon{background:#37422d;border-radius:4px}.generation-card strong{letter-spacing:0;text-transform:none;font-size:11px;font-weight:650}.panel-actions{border-top:1px solid #35332f}.text-button{color:#aaa7a0;font-size:10px;font-weight:550}.primary-button,.secondary-button{letter-spacing:0;text-transform:none;border-radius:4px;min-height:42px;font-size:11px;font-weight:650;transition:background .15s,border-color .15s}.primary-button{box-shadow:none;background:#81b64c}.primary-button:not(:disabled):hover{filter:none;background:#8fc35a;transform:none}.secondary-button{color:#dfddd8;background:#2b2a27;border-color:#55524c}.secondary-button:hover{filter:none;background:#34322f;border-color:#6a665e;transform:none}.primary-button span{font-size:16px}.play-status{background:0 0;border:0;border-left:2px solid #55524c;border-radius:0;min-height:44px;padding:5px 0 5px 12px}.play-status.ready{box-shadow:none;background:0 0;border-color:#81b64c}.play-status span{color:#8f8c85;letter-spacing:0;text-transform:none;font-size:9px;font-weight:550}.play-status.ready span{color:#a8cf82}.play-status strong{font-size:12px;font-weight:620}.result-orb{border-radius:5px;width:54px;height:54px;margin-bottom:18px;font-size:18px}.result-orb.success{box-shadow:none;background:#81b64c;animation:none}.result-orb.retry{color:#e1988f;background:#3b2926;border-color:#75504a}.answer-line{border-bottom-color:#403e39}.answer-line>span{background:#2b2a27;border-color:#4b4943;border-radius:3px;font-weight:620}.answer-line .answer-correct{color:#c8dcb5;background:#2b3425;border-color:#63784d}.answer-line .answer-missed{color:#e7a59d;background:#392725;border-color:#765049}.review-ply{border-color:#55524c;border-radius:3px}.progress-snapshot{background:#22211f;border-color:#403e39;border-radius:4px}.progress-snapshot>div{border-left-color:#403e39}.progress-snapshot span{color:#8f8c85;letter-spacing:0;text-transform:none;font-size:8px;font-weight:550}.lesson-card{background:#292825;border-color:#403e39 #403e39 #403e39 #81b64c;border-radius:4px}.lesson-card>span{letter-spacing:0;text-transform:none;font-size:9px;font-weight:550}.review-grade{box-shadow:none;border-radius:5px}.review-score-grid,.review-decision-card{background:#22211f;border-color:#403e39;border-radius:4px}.review-score-grid>div,.review-decision-card>div{border-left-color:#403e39}.review-score-grid span,.review-score-grid small,.review-decision-card span,.review-best-line span{color:#8f8c85;letter-spacing:0;text-transform:none;font-size:8px;font-weight:550}.review-best-line{background:#242d30;border-left-color:#5d8da0;border-radius:2px}.review-best-line strong{color:#d7e5e8}.review-timeline button{border-radius:4px}.review-timeline button.active{box-shadow:none;border-color:#c8c5bd}.review-navigation button{background:#2b2a27;border-color:#55524c;border-radius:4px;font-weight:600}.review-navigation span{letter-spacing:0;text-transform:none;font-weight:550}.modal-backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#0c0b0aa6}.settings-modal{background:#262522;border-color:#4a4842;border-radius:7px;padding:32px 34px;box-shadow:0 20px 70px #0009}.settings-modal h2{margin-bottom:24px}.modal-close{border-radius:4px}.settings-group>span{color:#aaa7a0;letter-spacing:0;text-transform:none;font-size:10px;font-weight:650}.side-options,.mode-options,.elo-options,.depth-options,.preference-options{border:0;border-radius:0;gap:6px;overflow:visible}.side-options button,.mode-options button,.elo-options button,.depth-options button,.preference-options button{background:#2b2a27;border-radius:4px;border:1px solid #494741!important}.side-options button.active,.mode-options button.active,.elo-options button.active,.depth-options button.active,.preference-options button.active{color:#edf1e8;background:#3c4a31;border-color:#81b64c!important}.side-options .active small,.mode-options .active small,.elo-options .active small,.depth-options .active small,.preference-options .active small{color:#b9cbae}.side-options strong,.mode-options strong,.preference-options strong{font-weight:620}.side-options small,.mode-options small,.elo-options small,.depth-options small,.preference-options small{font-size:8px}.stat-grid span{letter-spacing:0;text-transform:none;font-size:8px}.progress-detail{background:#2b2a27;border-color:#45433e;border-radius:4px}.progress-detail>span{color:#a8cf82;letter-spacing:0;text-transform:none;font-size:9px;font-weight:600}.filter-grid small{color:#aaa7a0;font-size:9px;font-weight:600}.filter-grid select{background:#1d1c1a;border-color:#4a4842;border-radius:4px;min-height:40px;font-size:11px}.cache-note,.shortcut-note{color:#8f8c85;font-size:9px}.filter-search-button{color:#c8ddaf;background:#34422c;border-color:#647c4d;border-radius:4px;min-height:40px;font-size:10px;font-weight:650}.filter-search-button:hover{background:#3c4b33}.candidate-line b,.premove-chip{border-radius:3px}.wrong-move-coach{border-radius:4px}@media (max-width:560px){.feedback-legend{grid-template-columns:repeat(2,auto)}.settings-modal{padding:30px 18px 24px}}.arrow-instruction{max-width:700px;box-shadow:none;background:#252a2b;border:1px solid #484640;border-left:3px solid #5d8da0;border-radius:4px;gap:10px;padding:10px 12px}.arrow-instruction-icon{color:#eff7f8;width:28px;height:28px;box-shadow:none;background:#47798c;border-radius:4px;font-size:17px}.arrow-instruction strong{letter-spacing:0;text-transform:none;font-size:10px;font-weight:650}.arrow-instruction small{color:#aaa7a0;font-size:9px}.arrow-instruction-step{color:#a9c7d2;letter-spacing:0;border:0;border-radius:0;padding:0;font-size:9px;font-weight:600}.arrow-instruction-waiting{background:#292825;border-color:#484640 #484640 #484640 #68655f}.arrow-instruction-waiting .arrow-instruction-icon{color:#cbc8c1;background:#4a4842}.generation-overlay{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#1f1e1be8;border-radius:2px}.generation-overlay:before{display:none}.generation-spinner{color:#a8cf82;filter:none}.bot-board-status{box-shadow:none;background:#292825;border-color:#4a4842;border-radius:4px}.bot-board-status:after{display:none}.bot-board-status>span{color:#182210;background:#81b64c;border-radius:4px}.bot-board-status strong{letter-spacing:0;text-transform:none;font-size:10px;font-weight:650}.review-eval-rail{box-shadow:none;border-radius:2px}.calculation-submit span{font-size:11px}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}
