/*! 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,::backdrop{--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,::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;-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]){appearance:button}::file-selector-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)}.end{inset-inline-end:var(--spacing)}.contents{display:contents}.flex{display:flex}.grid{display:grid}.hidden{display:none}.w-7{width:calc(var(--spacing) * 7)}.resize{resize:both}.blur{--tw-blur:blur(8px);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,)}}:root{--ink:#f7f8ff;--muted:#a9aac4;--line:#e2e5ff2e;--panel:#090a1f8a;--violet:#a990ff;--cyan:#8ddfff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;color:var(--ink);background:#050614;margin:0;font-family:Arial,Helvetica,sans-serif}button,input{font:inherit}button{cursor:pointer}.app-shell{isolation:isolate;background-color:#070619;background-position:50%;background-size:cover;min-height:100vh;transition:background .5s;position:relative;overflow:hidden}.app-shell:before{z-index:-2;content:"";pointer-events:none;background:radial-gradient(circle at 16% 24%,#209eff33,#0000 31%),radial-gradient(circle at 83% 79%,#ab43ff2e,#0000 39%),linear-gradient(90deg,#0304114f,#04041406 48%,#05041230);position:fixed;inset:0}.wallpaper-turquoiseAurora{background-image:url(/backgrounds/turquoise-aurora-1920.png)}.wallpaper-cosmicCliffs{background-image:url(/backgrounds/cosmic-cliffs.jpg)}.wallpaper-pastelNebula{background-image:url(/backgrounds/pastel-nebula-original-1920.png)}.wallpaper-turquoiseCloud{background-image:url(/backgrounds/turquoise-cloud.jpg)}.wallpaper-blueStardust{background-image:url(/backgrounds/blue-stardust.jpg)}.wallpaper-milkyHorizon{background-image:url(/backgrounds/milky-horizon.jpg)}.space-noise{z-index:-1;opacity:.18;pointer-events:none;background-image:radial-gradient(#ffffffb3 .6px,#0000 .6px),radial-gradient(#ffffff59 .7px,#0000 .7px);background-position:0 0,13px 17px;background-size:29px 29px,47px 47px;position:fixed;inset:0;-webkit-mask-image:linear-gradient(#000,#0000 88%);mask-image:linear-gradient(#000,#0000 88%)}.topbar,.product-intro,.analysis-grid,.configuration{width:min(1510px,100% - 48px);margin-inline:auto}.topbar{border-bottom:1px solid var(--line);grid-template-columns:1fr auto 1fr;align-items:center;min-height:84px;display:grid}.brand{width:max-content;color:inherit;letter-spacing:-.04em;align-items:center;gap:10px;text-decoration:none;display:inline-flex}.brand-mark{color:#d9d2ff;background:#9b7bff29;border:1px solid #b8a3ff80;border-radius:11px;place-items:center;width:34px;height:34px;font-size:24px;display:grid}.brand strong,.brand em{white-space:nowrap;font-size:clamp(15px,1.45vw,18px);font-style:normal;line-height:1;display:block}.brand em{color:var(--violet);margin-left:14px;font-family:Georgia,serif;font-weight:700}.primary-nav{align-items:center;gap:8px;display:flex}.primary-nav a{color:#b5b7d0;border-radius:10px;padding:10px 14px;font-size:13px;font-weight:700;text-decoration:none;transition:all .2s}.primary-nav a:hover,.primary-nav .nav-active{color:#fff;background:#e8ebff1a}.topbar-actions{justify-content:end;align-items:center;gap:17px;display:flex}.private-chip{color:#c9c9dc;font-size:11px}.private-chip i,.online-dot{background:#9effbf;border-radius:50%;width:7px;height:7px;margin-right:5px;display:inline-block;box-shadow:0 0 12px #50ff8c}.language-switch{border:1px solid var(--line);background:#02020f66;border-radius:9px;gap:2px;padding:3px;display:flex}.language-switch button{color:#9294b0;background:0 0;border:0;border-radius:6px;padding:5px 7px;font-size:10px;font-weight:800}.language-switch button.selected{color:#eeeaff;background:#b89eff38}.product-intro{justify-content:space-between;align-items:end;padding:34px 0 24px;display:flex}.eyebrow,.section-label{color:#aaa8cf;letter-spacing:.15em;margin:0;font-size:10px;font-weight:800}.eyebrow span{background:var(--cyan);width:6px;height:6px;box-shadow:0 0 13px var(--cyan);border-radius:50%;margin-right:7px;display:inline-block}h1,h2,p{margin-top:0}.product-intro h1{letter-spacing:-.06em;margin:8px 0 0;font-size:clamp(28px,3vw,42px)}.product-intro h1 small{color:#9795c7;letter-spacing:.17em;vertical-align:middle;font-size:.35em}.intro-position{text-align:right;gap:4px;min-width:180px;padding-bottom:4px;display:grid}.intro-position span{color:#9b9db9;letter-spacing:.1em;text-transform:uppercase;font-size:10px;font-weight:700}.intro-position strong{color:#fff;font-size:14px}.analysis-grid{grid-template-columns:250px minmax(480px,1fr) 330px;align-items:start;gap:22px;display:grid}.panel{border:1px solid var(--line);background:var(--panel);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-radius:19px;box-shadow:0 24px 80px #00000038}.control-rail{overflow:hidden}.panel-heading{border-bottom:1px solid var(--line);grid-template-columns:auto 1fr auto;align-items:center;gap:10px;padding:18px;display:grid}.panel-heading p{color:#a8a6c9;letter-spacing:.12em;text-transform:uppercase;margin-bottom:3px;font-size:9px;font-weight:800}.panel-heading h2,.panel-title-row h2,.configuration h2{letter-spacing:-.035em;margin:0;font-size:16px}.orb-icon,.engine-symbol{border-radius:10px;place-items:center;display:grid}.orb-icon{color:#150e31;background:linear-gradient(135deg,#7863d7,#b6eaff);width:27px;height:27px;font-size:15px;font-weight:900}.engine-pulse{background:#75eeb3;border-radius:50%;width:8px;height:8px;box-shadow:0 0 14px #75eeb3}.engine-choice{border-radius:13px;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;margin:12px 12px 0;padding:11px;display:grid}.active-engine{background:#8b6dff21;border:1px solid #9f83ff6b}.engine-symbol{color:#c8baff;background:#17162e;width:30px;height:30px;font-size:10px;font-weight:900}.engine-choice strong{font-size:12px;display:block}.engine-choice span{color:#9ea0b9;margin-top:2px;font-size:9px;line-height:1.25;display:block}.engine-choice b{color:#c6b8ff;font-size:11px}.engine-toggle{color:#d9d9ea;text-align:left;background:#121128;border:1px solid #ffffff14;border-radius:14px;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;width:calc(100% - 24px);margin:16px 12px 19px;padding:12px;transition:all .2s;display:grid}.engine-toggle.on{background:linear-gradient(115deg,#34b47936,#5f49a624);border-color:#7dfdc273}.power-ring{color:#a9a7bb;border:1px solid #57546f;border-radius:50%;place-items:center;width:30px;height:30px;font-size:17px;display:grid}.engine-toggle.on .power-ring{color:#90ffc0;border-color:#8dffbd;box-shadow:0 0 18px #67ffac57}.engine-toggle strong,.engine-toggle small{display:block}.engine-toggle strong{font-size:11px}.engine-toggle small{color:#a7a7be;margin-top:2px;font-size:9px}.engine-toggle i{background:#36334a;border-radius:100px;width:26px;height:15px}.engine-toggle i:after{content:"";background:#9e9caf;border-radius:50%;width:11px;height:11px;margin:2px;transition:all .2s;display:block}.engine-toggle.on i{background:#77efad}.engine-toggle.on i:after{background:#fff;margin-left:13px}.rail-section{border-top:1px solid var(--line);padding:0 17px 17px}.rail-section .section-label{padding-top:17px}.range-label,.stat-pair{color:#b7b6c9;justify-content:space-between;margin-top:13px;font-size:11px;display:flex}.range-label b,.stat-pair b{color:#fff;font-size:11px}input[type=range]{accent-color:#a68bff;width:100%;height:4px;margin-top:9px}.stat-pair{border-top:1px solid #ffffff0f;padding-top:9px}.rail-footer{border-top:1px solid var(--line);color:#9292a8;justify-content:space-between;padding:12px 17px;font-size:9px;display:flex}.rail-footer a{color:#b7a9ff;text-decoration:none}.board-stage{min-width:0}.board-toolbar{justify-content:space-between;align-items:center;margin:0 4px 12px;display:flex}.board-toolbar>div:first-child{gap:4px;display:grid}.board-label{color:#a2a0c7;letter-spacing:.13em;text-transform:uppercase;font-size:10px;font-weight:800}.board-toolbar strong{font-size:13px}.board-controls{gap:6px;display:flex}.board-controls button{border:1px solid var(--line);color:#cfcfe3;background:#05061785;border-radius:9px;padding:8px 9px;font-size:10px;font-weight:700}.board-controls button:hover{color:#fff;border-color:#b59effa1}.board-frame{background:linear-gradient(135deg,#ffffff3d,#ffffff08);border:1px solid #ffffff30;border-radius:15px;max-width:720px;margin-inline:auto;padding:11px;box-shadow:0 27px 90px #0000006e,0 0 55px #6d52ff33}.chessboard{aspect-ratio:1;border:1px solid #ffffff29;border-radius:8px;grid-template-columns:repeat(8,1fr);display:grid;overflow:hidden;box-shadow:inset 0 0 0 1px #0006}.square{aspect-ratio:1;border:0;place-items:center;min-width:0;padding:0;display:grid;position:relative}.square.light{background:#d5c8ed}.square.dark{background:#6d5c9c}.board-frame.obsidian .square.light{background:#bab4c4}.board-frame.obsidian .square.dark{background:#343147}.square:before{content:"";pointer-events:none;position:absolute;inset:0}.square.last:before{background:#ffe8775c}.square.selected-square:before{box-shadow:inset 0 0 0 4px #efd9ffd6}.square.legal:after{content:"";background:#1a153478;border-radius:50%;width:18%;height:18%;position:absolute}.square.legal:has(.piece):after{background:0 0;border:4px solid #271d4966;width:84%;height:84%}.piece{z-index:2;font-family:Georgia,Times New Roman,serif;font-size:clamp(31px,5.3vw,66px);line-height:.9;transition:transform .12s;position:relative;transform:translateY(-1%)}.square:hover .piece{transform:translateY(-4%)scale(1.035)}.white-piece{color:#fff9ed;text-shadow:0 2px #877a93,0 4px 12px #0a061e80}.black-piece{color:#231e35;text-shadow:0 1px #b8a7d2,0 4px 13px #04010db3}.board-frame.classic .piece{font-family:Georgia,Times New Roman,serif}.board-frame.royal .piece{font-family:Palatino Linotype,Palatino,Georgia,serif}.board-frame.mono .piece{filter:grayscale()}.rank-label,.file-label{z-index:3;color:#0f0a2a9e;font-size:clamp(8px,.8vw,11px);font-weight:900;position:absolute}.dark .rank-label,.dark .file-label{color:#ebe3ffa3}.rank-label{top:5px;left:6px}.file-label{text-transform:uppercase;bottom:4px;right:6px}.board-footer{color:#b4b3c6;justify-content:space-between;padding:12px 3px 0;font-size:9px;display:flex}.online-dot{width:6px;height:6px}.insight-column{gap:18px;display:grid}.evaluation-panel{padding:18px}.panel-title-row{justify-content:space-between;align-items:start;display:flex}.depth-chip{color:#cfc4ff;background:#8970ff1f;border:1px solid #9c8bff54;border-radius:6px;padding:5px 7px;font-size:9px;font-weight:800}.analysis-status{color:#a7a9c3;align-items:center;gap:7px;margin:16px 0 4px;font-size:10px;display:flex}.evaluation-hint{color:#8ebbd8;margin:0 0 10px;font-size:9px;font-weight:700}.status-dot{background:#747486;border-radius:50%;width:7px;height:7px}.status-dot.active{background:#9effbf;box-shadow:0 0 12px #75ffae}.variation-list{border-top:1px solid var(--line)}.variation{border-bottom:1px solid #ffffff12;grid-template-columns:19px 49px 1fr;gap:7px;padding:12px 0;font-size:10px;display:grid}.variation>span{color:#918ab4}.variation strong{color:#f1d597}.variation p{color:#d0d0df;text-overflow:ellipsis;white-space:nowrap;margin:0;line-height:1.45;overflow:hidden}.empty-variation{color:#9293aa;margin:0;padding:18px 0 7px;font-size:11px;line-height:1.45}.configuration{grid-template-columns:190px 1fr;gap:28px;margin-top:22px;margin-bottom:50px;padding:21px;display:grid}.configuration-heading{padding-top:3px}.configuration-heading h2{margin-top:6px}.wallpaper-picker{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.wallpaper-card{color:#fff;text-align:left;border:1px solid #ffffff26;border-radius:10px;min-height:69px;position:relative;overflow:hidden}.wallpaper-card:before{content:"";background:linear-gradient(90deg,#070618cf,#0000);position:absolute;inset:0}.wallpaper-card span{z-index:1;width:110px;padding:11px;font-size:10px;font-weight:800;line-height:1.2;display:block;position:relative}.wallpaper-card i{z-index:2;color:#152337;background:#a7f7ce;border-radius:50%;place-items:center;width:16px;height:16px;font-size:10px;font-style:normal;display:none;position:absolute;top:8px;right:8px}.wallpaper-card.chosen{border-color:#a58aff;box-shadow:0 0 0 1px #a58aff4d}.wallpaper-card.chosen i{display:grid}.wallpaper-card.turquoiseAurora{background:url(/backgrounds/turquoise-aurora-1920.png) 50%/cover}.wallpaper-card.cosmicCliffs{background:url(/backgrounds/cosmic-cliffs.jpg) 50%/cover}.wallpaper-card.pastelNebula{background:url(/backgrounds/pastel-nebula-original-1920.png) 50%/cover}.wallpaper-card.turquoiseCloud{background:url(/backgrounds/turquoise-cloud.jpg) 50%/cover}.wallpaper-card.blueStardust{background:url(/backgrounds/blue-stardust.jpg) 50%/cover}.wallpaper-card.milkyHorizon{background:url(/backgrounds/milky-horizon.jpg) 50%/cover}.configuration-options{grid-column:2;grid-template-columns:1fr 1fr 1.35fr;gap:12px;display:grid}.configuration-options>div>span{color:#a3a3ba;letter-spacing:.1em;text-transform:uppercase;margin-bottom:7px;font-size:9px;font-weight:800;display:block}.choice-row{flex-wrap:wrap;gap:5px;display:flex}.choice-row button{color:#bdbdcd;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:7px;padding:7px 9px;font-size:9px}.choice-row button.selected-choice{color:#fff;background:#9777ff33;border-color:#a389ff99}.fen-readout code{color:#aaa5c5;text-overflow:ellipsis;white-space:nowrap;background:#03041180;border:1px solid #ffffff1a;border-radius:7px;padding:8px;font-size:8px;display:block;overflow:hidden}@media (width<=1120px){.analysis-grid{grid-template-columns:220px minmax(420px,1fr)}.insight-column{grid-column:1/-1;grid-template-columns:1fr 1fr}.configuration{grid-template-columns:1fr}.configuration-options{grid-column:1}.configuration-heading{align-items:baseline;gap:12px;display:flex}.configuration-heading h2{margin-top:0}}@media (width<=760px){.topbar,.product-intro,.analysis-grid,.configuration{width:min(100% - 24px,600px)}.topbar{grid-template-columns:1fr auto;min-height:68px}.primary-nav{display:none}.topbar-actions{gap:8px}.private-chip,.intro-position{display:none}.product-intro{padding-top:22px}.analysis-grid{grid-template-columns:1fr}.control-rail{display:none}.insight-column{grid-column:auto;grid-template-columns:1fr}.board-controls button{padding:7px}.board-controls button:first-child{display:none}.board-frame{padding:6px}.piece{font-size:clamp(28px,11vw,54px)}.configuration{gap:17px;padding:16px}.wallpaper-picker,.configuration-options{grid-template-columns:1fr}.wallpaper-card{min-height:54px}.configuration-options{gap:16px}.board-footer{gap:8px;font-size:8px}.board-footer span:last-child{text-align:right}}@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}