:root{font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--accent-rgb:148 115 255;--accent:rgb(var(--accent-rgb));--accent-hover:rgb(var(--accent-rgb) / .85);--accent-muted:rgb(var(--accent-rgb) / .65);--accent-border:rgb(var(--accent-rgb) / .55);--accent-surface:rgb(var(--accent-rgb) / .12);--accent-surface-hover:rgb(var(--accent-rgb) / .18);--color-background:#050505;--color-surface:#0b0b0b;--color-surface-raised:#111;--color-surface-hover:#181818;--color-text:#fff;--color-text-secondary:#b4b4b8;--color-text-muted:#77777f;--color-border:#27272c;--color-border-strong:#3a3a42;--color-success:#3ddc84;--color-warning:#f3c94c;--color-danger:#ef5b5b;--engine-ready:var(--color-success);--engine-thinking:var(--color-warning);--engine-error:var(--color-danger);--difficulty-casual:#3ddc84;--difficulty-echo:#f3c94c;--difficulty-train:#ef5b5b;--tier-diamond:#67e8f9;--tier-platinum:#d8dce8;--tier-gold:#f5c451;--tier-silver:#aeb4c0;--tier-bronze:#c9824a;--tier-steel:#64748b;--tier-wood:#9a6846;--tier-diamond-surface:#67e8f91f;--tier-platinum-surface:#d8dce81f;--tier-gold-surface:#f5c4511f;--tier-silver-surface:#aeb4c01f;--tier-bronze-surface:#c9824a1f;--tier-steel-surface:#64748b1f;--tier-wood-surface:#9a68461f;--space-xs:.25rem;--space-sm:.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:16px;--radius-pill:999px;--shadow-dialog:0 24px 70px #0000008c;--shadow-accent:0 0 24px rgb(var(--accent-rgb) / .16);--transition-fast:.12s ease;--transition-normal:.18s ease;--color-on-accent:#111;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:Inter,Arial,sans-serif}:root[data-color-scheme=light]{--color-background:#f3f3f6;--color-surface:#fff;--color-surface-raised:#f7f7f9;--color-surface-hover:#ececf1;--color-text:#141418;--color-text-secondary:#3c3c44;--color-text-muted:#5e5e68;--color-border:#e2e2e8;--color-border-strong:#c9c9d1;--color-success:#0f8a45;--color-warning:#8a6408;--color-danger:#c33636;--difficulty-casual:#0f8a45;--difficulty-echo:#8a6408;--difficulty-train:#c33636;--shadow-dialog:0 24px 70px #14141829;--color-on-accent:#111;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html{background:var(--color-background)}body{background:var(--color-background);min-width:320px;min-height:100vh;color:var(--color-text);margin:0}button,input,select,textarea{font:inherit}button{color:inherit}.ui-icon-button{background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-md);width:42px;height:42px;color:var(--color-text-secondary);cursor:pointer;transition:color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);justify-content:center;align-items:center;padding:0;display:inline-flex}.ui-icon-button:hover:not(:disabled){color:var(--accent);background:var(--accent-surface);border-color:var(--accent-border);transform:translateY(-1px)}.ui-icon-button:active:not(:disabled){transform:translateY(0)}.ui-icon-button:disabled{opacity:.35;cursor:not-allowed}:focus{outline:none}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}::selection{background:var(--accent);color:var(--color-on-accent)}.ui-label{color:var(--color-text-muted);letter-spacing:.08em;text-transform:uppercase;margin:0;font-size:.75rem;font-weight:700}.training-mode{letter-spacing:.06em;text-transform:uppercase;align-items:center;width:fit-content;font-size:.8rem;font-weight:700;display:inline-flex}.training-mode--easy{color:var(--difficulty-casual)}.training-mode--medium{color:var(--difficulty-echo)}.training-mode--hard{color:var(--difficulty-train)}.board-identity{align-items:center;min-width:0;min-height:24px;padding:0;display:flex}.board-identity--opponent{gap:.55rem}.board-identity--player{justify-content:flex-start}.engine-status-dot{border-radius:var(--radius-pill);flex:0 0 8px;width:8px;height:8px}.engine-status-dot--ready{background:var(--engine-ready)}.engine-status-dot--thinking{background:var(--engine-thinking);animation:1.4s ease-in-out infinite engine-thinking-pulse}.engine-status-dot--error{background:var(--engine-error)}@keyframes engine-thinking-pulse{0%,to{opacity:1}50%{opacity:.4}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.dialog-surface{animation:none}.analysis-spinner{animation-duration:1.5s}}.game-board-area{gap:var(--board-side-gap,.15rem);flex-direction:column;width:100%;max-width:600px;display:flex}.board-info-row{width:100%;min-width:0;min-height:var(--board-side-row,2.36rem);justify-content:space-between;align-items:center;gap:.75rem;display:flex}.board-participant{white-space:nowrap;align-items:baseline;gap:.4rem;min-width:0;margin:0;display:flex;overflow:hidden}.board-participant__name{color:var(--color-text);letter-spacing:.06em;text-transform:uppercase;font-size:.72rem;font-weight:700}.board-participant__color{color:var(--color-text-secondary);font-size:.72rem;font-weight:600}.board-participant__rating{color:var(--accent);font-size:.9rem;font-weight:700;line-height:1}.captured-pieces{flex:none;justify-content:flex-end;align-items:flex-end;gap:.2rem;margin-left:auto;display:flex}.captured-piece{flex-direction:column;align-items:center;gap:0;width:1.575rem;display:flex}.captured-piece__icon,.captured-piece__glyph{object-fit:contain;text-align:center;width:1.425rem;height:1.425rem;font-size:1.425rem;line-height:1;display:block}.captured-piece__icon--w,.captured-piece__glyph--w{filter:drop-shadow(0 0 .7px #141418)}.captured-piece__icon--b,.captured-piece__glyph--b{filter:drop-shadow(0 0 .7px #f4f4f5)}.captured-piece__glyph--w{color:#f7f7f5}.captured-piece__glyph--b{color:#1c1917}.captured-piece__count{color:var(--color-text-secondary);font-variant-numeric:tabular-nums;text-align:center;font-size:.93rem;font-weight:700;line-height:1}.game-panel__title{margin:0 0 var(--space-xl);color:var(--color-text);letter-spacing:.1em;text-transform:uppercase;font-size:.8rem;font-weight:700}.game-panel__content{gap:var(--space-xl);flex-direction:column;display:flex}.game-panel__field{gap:var(--space-sm);flex-direction:column;display:flex}.game-panel__status{color:var(--color-text);letter-spacing:.04em;text-transform:uppercase;font-size:.9rem;font-weight:600;line-height:1.4}.game-panel__divider{width:100%;height:1px;margin:auto 0 var(--space-lg);background:var(--color-border)}.game-panel__controls{justify-content:center;align-items:center;gap:var(--space-sm);width:100%;margin-top:var(--space-md);display:flex}.game-result{flex-direction:column;gap:.55rem;display:flex}.game-result__headline{flex-wrap:wrap;align-items:baseline;gap:.65rem;display:flex}.game-result__label{letter-spacing:.055em;text-transform:uppercase;font-size:1rem;font-weight:800}.game-result__label--victory{color:var(--color-success)}.game-result__label--defeat{color:var(--color-danger)}.game-result__label--draw{color:var(--color-text)}.game-result__rating{letter-spacing:.035em;font-size:.78rem;font-weight:700}.game-result__rating--positive{color:var(--color-success)}.game-result__rating--negative{color:var(--color-danger)}.game-result__rating--neutral{color:var(--color-text-secondary)}.game-result__chess-result{color:var(--color-text-secondary);letter-spacing:.055em;text-transform:uppercase;font-size:.75rem;font-weight:700}.game-result__analysis-error{color:var(--color-danger);margin-top:.2rem;font-size:.76rem;font-weight:600}.analysis-spinner{border:2px solid var(--accent-surface-hover);border-top-color:var(--accent);border-radius:50%;width:18px;height:18px;animation:.75s linear infinite analysis-spinner-rotate}@keyframes analysis-spinner-rotate{to{transform:rotate(360deg)}}[data-tooltip]{position:relative}[data-tooltip]:before{z-index:100;background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;content:attr(data-tooltip);opacity:0;pointer-events:none;transition:opacity var(--transition-fast) 0s, transform var(--transition-fast) 0s;padding:.4rem .55rem;font-size:.68rem;font-weight:700;line-height:1;position:absolute;bottom:calc(100% + 10px);left:50%;transform:translate(-50%,4px)}[data-tooltip]:hover:before{opacity:1;transition-delay:.4s;transform:translate(-50%)}[data-tooltip]:focus-visible:before{opacity:1;transition-delay:0s;transform:translate(-50%)}.app-header__brand h1{color:var(--color-text);letter-spacing:-.025em;margin:0;font-size:clamp(1.2rem,2vw,1.55rem);font-weight:700}.app-header__brand p{color:var(--color-text-muted);margin:0;font-size:.8rem;font-weight:500}.game-layout{--board-side-row:2.36rem;--board-side-gap:.15rem;width:100%;max-width:1180px;margin:0 auto}@media (width<=900px){.game-layout{max-width:720px}.game-panel{min-height:240px}}.game-panel__mode{align-items:center;gap:var(--space-sm);display:flex}.game-panel__status--normal{color:var(--color-text)}.game-panel__status--warning{color:var(--color-warning)}.game-panel__status--finished{color:var(--color-text);font-weight:700}.board-identity:focus-visible{outline:1px solid var(--accent-border);outline-offset:3px;border-radius:var(--radius-sm)}.board-identity[data-tooltip]{width:fit-content;position:relative}.board-identity[data-tooltip]:before{bottom:calc(100% + 8px);left:0;transform:translateY(4px)}.board-identity[data-tooltip]:hover:before,.board-identity[data-tooltip]:focus-visible:before{transform:translateY(0)}.dialog-backdrop{z-index:1000;padding:var(--space-lg);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#000000b8;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.dialog-surface{width:min(100%,480px);max-height:calc(100vh - 3rem);padding:var(--space-lg);background:var(--color-surface-raised);border:1px solid var(--color-border-strong);border-radius:var(--radius-xl);box-shadow:var(--shadow-dialog);animation:dialog-enter var(--transition-normal) both;overflow-y:auto}.dialog-header{justify-content:space-between;align-items:flex-start;gap:var(--space-lg);display:flex}.dialog-heading{min-width:0}.dialog-heading h2{color:var(--color-text);letter-spacing:-.015em;margin:0;font-size:1.15rem;font-weight:700}.dialog-heading p{margin:var(--space-sm) 0 0;color:var(--color-text-secondary);font-size:.84rem;line-height:1.5}.dialog-close{border-radius:var(--radius-md);width:36px;height:36px;color:var(--color-text-muted);cursor:pointer;transition:color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);background:0 0;border:1px solid #0000;flex:0 0 36px;justify-content:center;align-items:center;padding:0;display:inline-flex}.dialog-close:hover{color:var(--accent);background:var(--accent-surface);border-color:var(--accent-border)}.dialog-content{margin-top:var(--space-xl)}@keyframes dialog-enter{0%{opacity:0;transform:translateY(8px)scale(.985)}to{opacity:1;transform:translateY(0)scale(1)}}.new-game-section+.new-game-section{margin-top:var(--space-xl)}.new-game-section>.ui-label{margin:0 0 var(--space-sm);display:block}.side-selector{gap:var(--space-sm);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.side-option{min-height:58px;padding:.75rem var(--space-md);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary);cursor:pointer;transition:color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);justify-content:center;align-items:center;gap:.65rem;font-weight:700;display:flex}.side-option:hover{color:var(--color-text);background:var(--color-surface-hover);border-color:var(--color-border-strong)}.side-option--selected{color:var(--accent);background:var(--accent-surface);border-color:var(--accent-border)}.side-option__piece{font-size:1.45rem;line-height:1}.mode-selector{gap:var(--space-sm);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.mode-option{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;min-width:0;min-height:96px;transition:background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);flex-direction:column;justify-content:center;align-items:center;gap:.45rem;padding:.8rem .5rem;display:flex;position:relative;overflow:hidden}.mode-option:hover{background:var(--color-surface-hover);border-color:var(--color-border-strong)}.mode-option--selected{background:var(--accent-surface);border-color:var(--accent-border)}.mode-option__piece{justify-content:center;align-items:center;height:34px;font-size:1.8rem;line-height:1;display:inline-flex}.mode-option__label,.mode-option__description{letter-spacing:.055em;text-align:center;text-transform:uppercase;transition:opacity var(--transition-fast), transform var(--transition-fast);font-size:.72rem;font-weight:800;line-height:1.2}.mode-option__description{color:var(--color-text-secondary);opacity:0;pointer-events:none;position:absolute;bottom:.8rem;left:.35rem;right:.35rem;transform:translateY(4px)}.mode-option:hover .mode-option__label,.mode-option:focus-visible .mode-option__label{opacity:0;transform:translateY(-4px)}.mode-option:hover .mode-option__description,.mode-option:focus-visible .mode-option__description{opacity:1;transform:translateY(0)}.mode-option--easy .mode-option__piece,.mode-option--easy .mode-option__label{color:var(--difficulty-casual)}.mode-option--medium .mode-option__piece,.mode-option--medium .mode-option__label{color:var(--difficulty-echo)}.mode-option--hard .mode-option__piece,.mode-option--hard .mode-option__label{color:var(--difficulty-train)}.new-game-start{width:100%;margin-top:var(--space-xl);min-height:46px;padding:.75rem var(--space-lg);background:var(--accent);border:1px solid var(--accent);border-radius:var(--radius-md);color:var(--color-on-accent);letter-spacing:.045em;text-transform:uppercase;cursor:pointer;transition:opacity var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);font-weight:800}.new-game-start:hover{opacity:.9;box-shadow:var(--shadow-accent);transform:translateY(-1px)}.new-game-start:active{transform:translateY(0)}@media (width<=420px){.mode-selector{grid-template-columns:1fr}.mode-option{min-height:82px}}.analysis-header{flex-direction:column;align-items:flex-start;gap:.25rem;min-width:0;display:flex}.analysis-eyebrow{color:var(--accent);letter-spacing:.09em;text-transform:uppercase;margin-bottom:.15rem;font-size:.68rem;font-weight:800;display:block}.analysis-header h2{color:var(--color-text);letter-spacing:-.025em;white-space:nowrap;margin:0;font-size:1.35rem;font-weight:750}.analysis-perspective{color:var(--color-text-muted);letter-spacing:.015em;margin-top:.1rem;font-size:.68rem;font-weight:600}.game-summary{padding:var(--space-lg);background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg)}.game-summary-main{gap:var(--space-sm);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.analysis-stat{padding:var(--space-md);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);flex-direction:column;gap:.3rem;display:flex}.analysis-stat span{color:var(--color-text-muted);letter-spacing:.045em;text-transform:uppercase;font-size:.6rem;font-weight:700;line-height:1.25}.analysis-stat strong{color:var(--color-text);white-space:nowrap;font-size:1.2rem;font-weight:750}.analysis-section-heading{justify-content:space-between;align-items:center;gap:var(--space-md);margin-bottom:var(--space-md);color:var(--color-text-muted);letter-spacing:.065em;text-transform:uppercase;font-size:.68rem;font-weight:750;display:flex}.review-navigation{justify-content:center;align-items:center;gap:var(--space-sm);margin-top:var(--space-lg);display:flex}.review-navigation__button{border:1px solid var(--color-border);border-radius:var(--radius-md);width:38px;height:38px;color:var(--color-text-secondary);cursor:pointer;transition:color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);background:0 0;justify-content:center;align-items:center;padding:0;display:inline-flex}.review-navigation__button:hover:not(:disabled){color:var(--accent);background:var(--accent-surface);border-color:var(--accent-border)}.review-navigation__button:disabled{opacity:.3;cursor:default}.review-navigation__position{min-width:130px;color:var(--color-text);letter-spacing:.055em;text-align:center;flex-direction:column;justify-content:center;align-items:center;font-size:.72rem;font-weight:750;display:flex}.review-navigation__position small{color:var(--color-text-muted);letter-spacing:.04em;margin-top:.18rem;font-size:.55rem;font-weight:650}.review-move-stats .review-move-value{cursor:help;font-size:1.3rem;font-weight:750;line-height:1;position:relative}.review-move-comparison{grid-template-columns:1fr 1fr;align-items:center;width:100%;display:grid}.review-move-value--played{justify-self:start}.review-move-value--best{justify-self:center}.review-eval-stat{flex-direction:column;align-items:flex-end;gap:.2rem;min-width:5.5rem;display:flex}.review-move-value{cursor:help;font-size:1rem;font-weight:750;line-height:1;position:relative}.review-move-value--played{color:#4da3ff}.review-move-value--best{color:#4fd17b}.review-eval-stat{flex-direction:column;align-items:flex-end;gap:.2rem;display:flex}.review-eval-stat span{color:var(--color-text-muted);letter-spacing:.05em;font-size:.55rem;font-weight:700}.review-eval-stat strong{color:var(--color-text);font-size:.85rem;font-weight:700}.review-move-value:after{content:attr(data-tooltip);background:var(--color-surface-raised);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-sm);letter-spacing:.04em;white-space:nowrap;opacity:0;visibility:hidden;pointer-events:none;padding:.35rem .5rem;font-size:.55rem;font-weight:700;transition:opacity .12s,visibility .12s;position:absolute;bottom:calc(100% + .55rem);left:50%;transform:translate(-50%)}.review-move-value:hover:after,.review-move-value:focus-visible:after{opacity:1;visibility:visible}@media (width<=700px){.analysis-header{flex-direction:column;align-items:flex-start}.game-summary-main{grid-template-columns:1fr}}.game-sidebar{gap:var(--space-md);flex-direction:column;width:100%;min-width:0;display:flex}.game-board-column{gap:var(--space-md);flex-direction:column;min-width:0;display:flex}.board-evaluation{padding:var(--space-lg);background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg);min-width:0}.tier-summary__toggle{justify-content:space-between;align-items:center;gap:var(--space-md);padding:var(--space-md) 0;color:var(--color-text-muted);cursor:pointer;letter-spacing:.06em;text-transform:uppercase;font-size:.68rem;font-weight:750;list-style:none;display:flex}.tier-summary__toggle::-webkit-details-marker{display:none}.tier-summary__toggle-right{white-space:nowrap;align-items:center;gap:.4rem;display:flex}.tier-summary__chevron{transition:transform var(--transition-fast)}.tier-summary[open] .tier-summary__chevron{transform:rotate(180deg)}.tier-summary-list{padding-bottom:var(--space-sm);flex-direction:column;gap:.4rem;display:flex}.tier-summary-row{justify-content:space-between;align-items:center;gap:var(--space-md);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);min-height:38px;padding:.55rem .75rem;display:flex}.tier-summary-row__name{letter-spacing:.045em;text-transform:uppercase;font-size:.7rem;font-weight:750}.tier-summary-row strong{color:var(--color-text);font-size:.85rem;font-weight:750}.app{width:100%;max-width:1200px;min-height:100vh;margin:0 auto;padding:32px 24px}.app-header{text-align:left;grid-template-columns:minmax(0,1fr) auto;justify-content:center;align-items:center;gap:32px;width:100%;max-width:1180px;margin:0 auto 40px;display:grid}.app-header__brand{flex-direction:row;align-items:center;gap:.65rem;min-width:0;display:flex}.app-header__logo{object-fit:contain;flex:none;width:auto;height:clamp(2rem,3.2vw,2.6rem);display:block}:root[data-color-scheme=light] .app-header__logo{filter:brightness(0)}.app-header h1{min-width:0;margin:0;font-size:clamp(1.2rem,2vw,1.7rem);line-height:1.1}.app-header__actions{justify-self:end}.app-header p{color:var(--color-text-muted);font-size:16px}.app-header__actions{justify-content:flex-end;align-items:center;gap:var(--space-sm);flex-wrap:nowrap;display:flex}.auth-nav-button{white-space:nowrap;border:1px solid var(--accent);border-radius:var(--radius-md);background:var(--accent-surface);min-height:38px;color:var(--color-text);font:inherit;cursor:pointer;transition:background var(--transition-fast), border-color var(--transition-fast);flex-shrink:0;justify-content:center;align-items:center;padding:.55rem .9rem;font-size:.8rem;font-weight:600;text-decoration:none;display:inline-flex}.auth-nav-button:hover{background:var(--color-surface-hover)}.auth-nav-button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.profile-header__actions{align-items:center;gap:var(--space-sm);display:flex}@media (width<=480px){.app-header__actions{gap:.5rem}.auth-nav-button{padding:.5rem .65rem;font-size:.7rem}}.game-layout{grid-template-columns:minmax(0,600px) minmax(0,320px);justify-content:center;align-items:start;gap:32px;display:grid}.board-section{width:100%;min-width:0}.chessboard-container{width:100%;max-width:600px;margin:0}.game-panel{width:100%;min-width:0;margin-top:calc(var(--board-side-row,2.36rem) + var(--board-side-gap,.15rem));background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;flex-direction:column;align-self:start;padding:24px;display:flex;box-shadow:0 12px 32px #0000002e}.game-panel h2{margin-bottom:24px;font-size:22px}@media (width<=900px){.app-header{max-width:720px}}@media (width<=800px){.game-layout{grid-template-columns:minmax(0,600px)}.app{padding:20px 12px}.app-header{flex-wrap:wrap;justify-content:space-between;align-items:center;row-gap:.75rem;max-width:600px;display:flex}.app-header__brand{flex:100%;overflow:hidden}.app-header__actions{margin-left:auto}.app-header h1{font-size:clamp(1rem,4.2vw,1.35rem)}}@media (width<=480px){.app-header__logo{height:1.85rem}}.promotion-options{gap:var(--space-sm);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.promotion-option{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);min-width:0;min-height:104px;color:var(--color-text-secondary);cursor:pointer;transition:color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);flex-direction:column;justify-content:center;align-items:center;gap:.45rem;padding:.75rem .4rem;display:flex}.promotion-option:hover{color:var(--accent);background:var(--accent-surface);border-color:var(--accent-border);transform:translateY(-1px)}.promotion-option:active{transform:translateY(0)}.promotion-symbol{color:var(--color-text);font-size:2.25rem;line-height:1}.promotion-option:hover .promotion-symbol{color:var(--accent)}.promotion-name{letter-spacing:.055em;text-transform:uppercase;font-size:.7rem;font-weight:700}.promotion-cancel{width:100%;min-height:42px;margin-top:var(--space-lg);padding:.65rem var(--space-md);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary);cursor:pointer;transition:color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);background:0 0;font-weight:700}.promotion-cancel:hover{color:var(--color-text);background:var(--color-surface-hover);border-color:var(--color-border-strong)}@media (width<=420px){.promotion-options{grid-template-columns:repeat(2,minmax(0,1fr))}.promotion-option{min-height:90px}}.post-game-review{gap:var(--space-md);box-sizing:border-box;border:1px solid var(--color-border);border-radius:12px;flex-direction:column;width:100%;min-width:0;margin-top:20px;padding:20px;display:flex}.post-game-review h3{margin-top:0}.post-game-review progress{width:100%;height:14px;margin-top:8px}.post-game-review [role=alert]{color:var(--color-danger)}.evaluation-timeline{width:100%;margin-top:16px}.evaluation-chart{width:100%;height:240px;position:relative;overflow:visible}.evaluation-chart svg{width:100%;height:100%;display:block;position:absolute;inset:0}.evaluation-timeline-labels{opacity:.7;justify-content:space-between;margin-top:8px;font-size:.8rem;display:flex}.evaluation-header{justify-content:space-between;align-items:center;margin-bottom:8px;font-size:.85rem;display:flex}.evaluation-header strong{font-size:1rem}.evaluation-white-region{fill:#ffffff0f}.evaluation-black-region{fill:#0000002e}.evaluation-area{fill:currentColor;opacity:.12;pointer-events:none}.evaluation-line{stroke:currentColor;stroke-width:2.5px;vector-effect:non-scaling-stroke;opacity:.9;pointer-events:none}.evaluation-selected-point{fill:currentColor;stroke:currentColor;stroke-width:2px;vector-effect:non-scaling-stroke}.evaluation-slider{appearance:none;cursor:pointer;z-index:2;background:0 0;width:100%;height:20px;margin:0;padding:0;position:absolute;top:50%;left:0;transform:translateY(-50%)}.evaluation-slider::-webkit-slider-runnable-track{opacity:.45;background:currentColor;width:100%;height:2px}.evaluation-slider::-webkit-slider-thumb{appearance:none;background:var(--accent);cursor:grab;border:2px solid;border-radius:50%;width:14px;height:14px;margin-top:-6px}.evaluation-slider:active::-webkit-slider-thumb{cursor:grabbing}.evaluation-slider::-moz-range-track{opacity:.45;background:currentColor;height:2px}.evaluation-slider::-moz-range-thumb{background:var(--accent);cursor:grab;border:2px solid;border-radius:50%;width:14px;height:14px}.review-move-details{box-sizing:border-box;background:var(--color-surface-raised);border:1px solid #80808040;border-radius:10px;flex-direction:column;width:100%;min-width:0;margin-top:16px;padding:16px;display:flex}.review-move-header{justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;display:flex}.review-move-label{color:var(--color-text-muted);letter-spacing:.065em;opacity:.65;margin-bottom:4px;font-size:.8rem;font-weight:750;display:block}.review-move-header h4{color:var(--color-text);margin:0;font-size:1.35rem;font-weight:750}.review-move-stats{width:100%;margin-top:var(--space-lg);grid-template-columns:repeat(4,minmax(0,1fr));align-items:center;gap:12px;display:grid}.review-move-stats>div{flex-direction:column;gap:4px;display:flex}.review-move-stats span{opacity:.65;font-size:.78rem}.review-move-stats strong{overflow-wrap:anywhere;font-size:.95rem}.review-move-note{color:var(--color-text-secondary);opacity:.7;margin:14px 0 0;font-size:.85rem}.move-tier{letter-spacing:.04em;text-transform:uppercase;border:1px solid;border-radius:999px;flex-shrink:0;padding:5px 10px;font-size:.75rem;font-weight:700}.move-tier-diamond{color:#67e8f9}.move-tier-platinum{color:#d8dee9}.move-tier-gold{color:#facc15}.move-tier-silver{color:#aeb7c2}.move-tier-bronze{color:#cd7f32}.move-tier-steel{color:#7c8b99}.move-tier-wood{color:#a16207}@media (width<=700px){.review-move-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}.tier-summary{border-top:1px solid var(--color-border);margin-top:20px}.tier-summary h4{margin:0 0 10px}.tier-summary-diamond{color:#67e8f9}.tier-summary-platinum{color:#d8dee9}.tier-summary-gold{color:#facc15}.tier-summary-silver{color:#aeb7c2}.tier-summary-bronze{color:#cd7f32}.tier-summary-steel{color:#7c8b99}.tier-summary-wood{color:#a16207}@media (width<=900px){.tier-summary-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (width<=600px){.tier-summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}.profile-page{width:min(1100px,100% - 32px);margin:0 auto;padding:32px 0}.sign-out-button{border:1px solid var(--color-border);color:var(--color-text);cursor:pointer;background:0 0;border-radius:.5rem;padding:.65rem 1rem;font-size:.85rem;font-weight:600}.sign-out-button:hover{border-color:var(--accent)}.profile-header{z-index:20;background:var(--color-background);border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;gap:24px;margin-bottom:32px;padding:18px;display:flex;position:sticky;top:0}.profile-header h1{margin:4px 0 0}.profile-eyebrow{opacity:.7;margin:0}.profile-nav-button{width:44px;height:44px;color:var(--color-text);background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-md);font:inherit;cursor:pointer;transition:color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);flex-shrink:0;justify-content:center;align-items:center;gap:.5rem;padding:.7rem 1rem;font-size:.8rem;font-weight:650;display:inline-flex;position:relative}.profile-nav-button:hover{color:var(--accent);background:var(--accent-surface);border-color:var(--color-accent);transform:translateY(-1px)}.profile-nav-button:focus-visible{border-color:var(--color-accent)}.profile-nav-button:active{transform:translateY(0)}.profile-nav-tooltip{z-index:20;white-space:nowrap;color:var(--color-text);background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-md);letter-spacing:.04em;opacity:0;visibility:hidden;pointer-events:none;padding:.45rem .65rem;font-size:.7rem;font-weight:700;position:absolute;top:calc(100% + 10px);right:0}.profile-nav-button:hover .profile-nav-tooltip,.profile-nav-button:focus-visible .profile-nav-tooltip{opacity:1;visibility:visible}.difficulty-filter-options{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.difficulty-filter{background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding:1rem;display:flex}.difficulty-filter-heading{flex-direction:column;gap:.25rem;display:flex}.difficulty-filter-label{color:var(--color-text);font-size:.85rem;font-weight:700}.difficulty-filter-description{color:var(--color-text-muted);font-size:.75rem}.difficulty-filter-option{min-height:40px;color:var(--color-text-muted);background:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius-md);font:inherit;cursor:pointer;flex-shrink:0;justify-content:center;align-items:center;padding:.6rem 1rem;font-size:.8rem;font-weight:650;display:inline-flex}.difficulty-filter-option:hover{color:var(--color-text);border-color:var(--color-text-muted)}.difficulty-filter-option--selected{color:var(--color-accent);background:color-mix(in srgb, var(--color-accent) 10%, transparent);border-color:var(--color-accent)}.difficulty-filter-option--selected:hover{color:var(--color-accent);border-color:var(--color-accent)}.difficulty-filter-option:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}.career-statistics{border:1px solid #7f7f7f40;border-radius:12px;padding:24px}.career-statistics h2{margin-top:0}.profile-move-quality{border:1px solid #7f7f7f40;border-radius:12px;margin-top:24px;padding:24px}.profile-section-heading{justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:20px;display:flex}.profile-section-heading h2{margin:0 0 6px}.profile-section-heading p{opacity:.7;margin:0}.profile-section-heading>span{white-space:nowrap;opacity:.7}.profile-tier-grid{grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;display:grid}.profile-tier-card{border:1px solid #7f7f7f33;border-radius:10px;flex-direction:column;gap:6px;padding:16px;display:flex}.profile-tier-card>span{opacity:.75;font-size:.85rem}.profile-tier-card strong{font-size:1.4rem}.profile-tier-card small{opacity:.65}.recent-games{border:1px solid #7f7f7f40;border-radius:12px;margin-top:24px;padding:24px}.recent-games>h2{margin-top:0}.recent-game-card{border:1px solid #7f7f7f33;border-radius:10px;grid-template-columns:minmax(90px,.7fr) minmax(220px,2fr) auto;align-items:center;gap:20px;padding:16px;display:grid}.recent-game-result{flex-direction:column;gap:4px;display:flex}.recent-game-result>span{opacity:.7;font-size:.9rem}.recent-game-details{flex-direction:column;gap:4px;display:flex}.recent-game-details>span,.recent-game-card time{opacity:.7;font-size:.9rem}.recent-games-empty{opacity:.7;margin-bottom:0}.recent-games-more{cursor:pointer;background:0 0;border:1px solid;border-radius:8px;margin:20px auto 0;padding:10px 18px;display:block}@media (width<=700px){.recent-game-card{grid-template-columns:1fr;gap:10px}}.trend-chart-wrapper{width:100%}.trend-chart{width:100%;height:auto;display:block;overflow:visible}.trend-chart-grid-line{stroke:currentColor;stroke-width:1px;opacity:.12}.trend-chart-y-label,.trend-chart-x-label{fill:currentColor;opacity:.65;font-size:12px}.trend-chart-line{stroke:currentColor;stroke-width:3px;stroke-linecap:round;stroke-linejoin:round}.trend-chart-point circle{fill:currentColor;stroke:var(--background-color,white);stroke-width:2px}.trend-chart-point{cursor:pointer}.trend-chart-footer{opacity:.65;justify-content:space-between;gap:16px;margin-top:4px;font-size:.85rem;display:flex}.trend-chart-empty{text-align:center;opacity:.7;border:1px dashed #7f7f7f4d;border-radius:10px;justify-content:center;align-items:center;min-height:220px;padding:24px;display:flex}.profile-progress{border:1px solid #7f7f7f40;border-radius:12px;margin-top:24px;padding:24px}.progress-metric-selector{border:1px solid #7f7f7f40;border-radius:10px;gap:4px;margin-bottom:20px;padding:4px;display:inline-flex}.progress-metric-button{color:inherit;font:inherit;cursor:pointer;opacity:.65;background:0 0;border:0;border-radius:7px;padding:9px 14px}.progress-metric-button:hover{opacity:1}.progress-metric-button-active{opacity:1;background:#7f7f7f2e}.progress-summary{flex-wrap:wrap;gap:12px;margin-bottom:16px;display:flex}.progress-summary>div{border:1px solid #7f7f7f33;border-radius:10px;flex-direction:column;gap:4px;min-width:140px;padding:12px 16px;display:flex}.progress-summary span{opacity:.65;font-size:.8rem}.progress-summary strong{font-size:1.1rem}.progress-filter-note{opacity:.6;margin:12px 0 0;font-size:.85rem}@media (width<=600px){.progress-metric-selector{width:100%;display:flex}.progress-metric-button{flex:1}}.profile-data-management{border:1px solid #7f7f7f40;border-radius:12px;justify-content:space-between;align-items:center;gap:24px;margin-top:24px;padding:24px;display:flex}.profile-data-management h2{margin:0 0 6px}.profile-data-management p{opacity:.7;margin:0}.reset-progress-button{color:inherit;cursor:pointer;background:0 0;border:1px solid;border-radius:8px;flex-shrink:0;padding:10px 16px}.reset-dialog-actions{justify-content:flex-end;gap:10px;margin-top:24px;display:flex}.reset-dialog-actions button{cursor:pointer;border:1px solid #7f7f7f66;border-radius:8px;padding:10px 16px}.reset-confirm-button{font-weight:600}@media (width<=600px){.profile-data-management{flex-direction:column;align-items:stretch}.reset-progress-button{width:100%}}.accent-picker{gap:var(--space-sm);flex-wrap:wrap;display:flex}.accent-option{align-items:center;gap:var(--space-sm);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-raised);color:var(--color-text);cursor:pointer;transition:background var(--transition-fast), border-color var(--transition-fast);padding:.65rem .85rem;display:flex}.accent-option:hover{background:var(--color-surface-hover)}.accent-option--selected{border-color:var(--accent);background:var(--accent-surface)}.accent-option__swatch{border-radius:var(--radius-pill);border:1px solid #ffffff40;flex:0 0 18px;width:18px;height:18px}.profile-account-name{color:var(--color-text-secondary);margin:.25rem 0 0;font-size:2rem;font-weight:500}.appearance-label{margin-top:var(--space-lg);margin-bottom:var(--space-sm);color:var(--color-text-secondary);font-size:.9rem;font-weight:600}.board-theme-picker{gap:var(--space-sm);flex-wrap:wrap;display:flex}.board-theme-option{align-items:center;gap:var(--space-sm);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-raised);color:var(--color-text);cursor:pointer;transition:background var(--transition-fast), border-color var(--transition-fast);padding:.65rem .85rem;display:flex}.board-theme-option:hover{background:var(--color-surface-hover)}.board-theme-option--selected{border-color:var(--accent);background:var(--accent-surface)}.board-theme-option__swatch{border:1px solid #ffffff40;border-radius:3px;flex:0 0 18px;grid-template-rows:repeat(2,9px);grid-template-columns:repeat(2,9px);width:18px;height:18px;display:grid;overflow:hidden}.board-theme-option__swatch span{width:9px;height:9px}.career-statistics{gap:var(--space-lg);flex-direction:column;min-width:0;display:flex}.career-overview-grid,.career-performance-grid{gap:var(--space-sm);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.career-stat-card{padding:var(--space-lg);background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg);flex-direction:column;gap:.5rem;display:flex}.career-stat-card span{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.7rem;font-weight:700}.career-stat-card strong{color:var(--color-text);font-size:1.65rem;font-weight:750;line-height:1.2}.career-stat-card .career-rating-current{color:var(--color-accent)}.career-record-section,.career-performance-section{gap:var(--space-md);flex-direction:column;display:flex}.career-record-section h3,.career-performance-section h3{color:var(--color-text);margin:0;font-size:1rem;font-weight:700}.career-record-grid{gap:var(--space-sm);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.career-record-grid>div{padding:var(--space-lg);background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg);flex-direction:column;align-items:center;gap:.35rem;display:flex}.career-record-grid strong{font-size:1.5rem;font-weight:750}.career-record-grid span{color:var(--color-text-muted);text-transform:uppercase;font-size:.7rem;font-weight:700}.career-record-win strong{color:var(--color-success)}.career-record-draw strong{color:var(--color-text)}.career-record-loss strong{color:var(--color-danger)}.profile-page{gap:var(--space-lg);width:100%;max-width:1100px;padding:var(--space-xl);box-sizing:border-box;flex-direction:column;margin:0 auto;display:flex}.profile-header{justify-content:space-between;align-items:center;gap:var(--space-lg);width:100%;display:flex}.profile-header__identity{align-items:center;gap:var(--space-md);min-width:0;display:flex}.profile-header__icon{width:48px;height:48px;color:var(--color-accent);background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg);flex-shrink:0;justify-content:center;align-items:center;display:flex}.profile-header h1{color:var(--color-text);letter-spacing:-.035em;margin:0;font-size:1.8rem;font-weight:750}.profile-eyebrow{color:var(--color-text-muted);letter-spacing:.08em;margin:0 0 .3rem;font-size:.65rem;font-weight:700}.profile-dashboard{gap:var(--space-lg);flex-direction:column;min-width:0;display:flex}.profile-progress{flex-direction:column;gap:1rem;min-width:0;display:flex}.progress-metric-selector{flex-wrap:wrap;gap:.5rem;display:flex}.progress-metric-button{color:var(--color-text-muted);background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-md);font:inherit;cursor:pointer;padding:.65rem 1rem;font-size:.8rem;font-weight:600;transition:color .15s,border-color .15s,background-color .15s}.progress-metric-button:hover{color:var(--color-text);border-color:var(--color-accent)}.progress-metric-button-active{color:var(--color-accent);border-color:var(--color-accent);background:var(--color-surface-raised)}.progress-chart-container{background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg);min-width:0;padding:1rem}.progress-filter-note{color:var(--color-text-muted);margin:0;font-size:.75rem}@media (prefers-reduced-motion:reduce){.progress-metric-button{transition:none}}.performance-by-mode{flex-direction:column;gap:1rem;min-width:0;display:flex}.performance-mode-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;display:grid}.performance-mode-card{background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg);flex-direction:column;gap:.5rem;min-width:0;padding:1.25rem;display:flex}.performance-mode-heading{align-items:center;gap:.5rem;display:flex}.performance-mode-heading h3{color:var(--color-text);margin:0;font-size:.9rem;font-weight:700}.performance-mode-dot{border-radius:50%;flex-shrink:0;width:9px;height:9px}.performance-mode-easy .performance-mode-dot{background:var(--color-difficulty-easy,#43b87c)}.performance-mode-medium .performance-mode-dot{background:var(--color-difficulty-medium,#e4b64f)}.performance-mode-hard .performance-mode-dot{background:var(--color-difficulty-hard,#e56b6b)}.performance-mode-rate{color:var(--color-text);margin-top:.75rem;font-size:1.8rem;font-weight:750;line-height:1.1}.performance-mode-rate-label{color:var(--color-text-muted);font-size:.75rem}.performance-mode-record{border-top:1px solid var(--color-border);color:var(--color-text-muted);grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem;margin-top:.75rem;padding-top:.75rem;font-size:.75rem;display:grid}@media (width<=700px){.performance-mode-grid{grid-template-columns:1fr}}.recent-games{flex-direction:column;gap:1rem;min-width:0;display:flex}.recent-games-list{flex-direction:column;gap:.6rem;display:flex}.recent-game-card{background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg);grid-template-columns:150px minmax(0,1fr) auto;align-items:center;gap:1rem;padding:1rem 1.25rem;display:grid}.recent-game-result,.recent-game-details{flex-direction:column;gap:.35rem;min-width:0;display:flex}.recent-game-result strong{letter-spacing:.04em;font-size:.85rem}.recent-game-win .recent-game-result strong{color:var(--color-success)}.recent-game-loss .recent-game-result strong{color:var(--color-danger)}.recent-game-draw .recent-game-result strong{color:var(--color-text)}.recent-game-rating-change{color:var(--color-text-muted);font-size:.8rem;font-weight:650}.recent-game-rating-positive{color:var(--color-success)}.recent-game-rating-negative{color:var(--color-danger)}.recent-game-details strong{color:var(--color-text);font-size:.85rem}.recent-game-details span,.recent-game-card time{color:var(--color-text-muted);font-size:.75rem}.recent-game-card time{white-space:nowrap}.recent-games-more{color:var(--color-text);background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-md);font:inherit;cursor:pointer;align-self:center;padding:.7rem 1.25rem;font-size:.8rem;font-weight:650}.recent-games-more:hover{border-color:var(--color-accent)}.recent-games-empty{color:var(--color-text-muted);background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg);margin:0;padding:1.5rem}@media (width<=650px){.recent-game-card{grid-template-columns:1fr auto}.recent-game-details{grid-area:2/1/auto/-1}}.reset-dialog-content{flex-direction:column;gap:1.25rem;display:flex}.reset-dialog-warning{color:var(--color-text-muted);margin:0;font-size:.85rem}.reset-dialog-actions{justify-content:flex-end;gap:.75rem;display:flex}.reset-cancel-button,.reset-confirm-button{border-radius:var(--radius-md);font:inherit;cursor:pointer;padding:.75rem 1rem;font-size:.85rem;font-weight:650}.reset-cancel-button{color:var(--color-text);background:var(--color-surface-raised);border:1px solid var(--color-border)}.reset-confirm-button{color:var(--color-on-accent);background:var(--color-danger);border:1px solid var(--color-danger)}.reset-cancel-button:hover{border-color:var(--color-accent)}.reset-confirm-button:hover{filter:brightness(1.1)}.reset-cancel-button:focus-visible,.reset-confirm-button:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}.profile-appearance{flex-direction:column;gap:1rem;display:flex}.accent-picker{flex-wrap:wrap;gap:.75rem;display:flex}.accent-option{min-height:82px;color:var(--color-text-muted);background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg);font:inherit;cursor:pointer;flex-direction:column;flex:0 0 105px;justify-content:center;align-items:center;gap:.6rem;padding:.75rem;font-size:.8rem;font-weight:600;display:flex}.accent-option--selected{color:var(--color-text);border-color:var(--color-accent)}.accent-option__swatch{aspect-ratio:1;box-sizing:border-box;border:2px solid #ffffff26;border-radius:50%;flex:0 0 28px;width:28px;min-width:28px;height:28px;min-height:28px;display:block}.profile-about{border:1px solid #7f7f7f40;border-radius:12px;margin-top:24px;padding:24px}.profile-about p{margin:0 0 .85rem;line-height:1.5}.profile-about__links{margin:0 0 1rem;padding-left:1.2rem}.profile-about__links li+li{margin-top:.35rem}.profile-about a{color:var(--color-accent)}.profile-about a:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}.profile-about__copyright{color:var(--color-text-muted);margin-bottom:0;font-size:.8rem}.profile-data-management{background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg);justify-content:space-between;align-items:center;gap:1.5rem;padding:1.25rem;display:flex}.profile-data-management h2{color:var(--color-text);margin:0 0 .4rem;font-size:1rem}.profile-data-management p{color:var(--color-text-muted);margin:0;font-size:.8rem}.reset-progress-button{color:var(--color-danger);border:1px solid var(--color-danger);border-radius:var(--radius-md);font:inherit;cursor:pointer;background:0 0;flex-shrink:0;padding:.75rem 1rem;font-size:.8rem;font-weight:650}.reset-progress-button:hover{background:#ff505014}@media (width<=700px){.accent-picker{grid-template-columns:repeat(3,minmax(0,1fr))}.profile-data-management{flex-direction:column;align-items:stretch}}@media (width<=420px){.accent-picker{grid-template-columns:repeat(2,minmax(0,1fr))}}.piece-set-picker{gap:var(--space-sm);flex-wrap:wrap;display:flex}.piece-set-option{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-raised);color:var(--color-text);cursor:pointer;transition:background var(--transition-fast), border-color var(--transition-fast);align-items:center;padding:.65rem .85rem;display:flex}.piece-set-option:hover{background:var(--color-surface-hover)}.piece-set-option--selected{border-color:var(--accent);background:var(--accent-surface)}.auth-form{flex-direction:column;gap:1rem;display:flex}.auth-field{flex-direction:column;gap:.4rem;font-size:.85rem;font-weight:500;display:flex}.auth-field input{box-sizing:border-box;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-raised);width:100%;color:var(--color-text);font:inherit;padding:.75rem}.auth-field input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.auth-submit-button{border-radius:var(--radius-md);background:var(--accent);width:100%;min-height:42px;color:var(--color-on-accent);font:inherit;cursor:pointer;border:none;padding:.75rem;font-weight:700}.auth-google-button{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-raised);width:100%;min-height:42px;color:var(--color-text);font:inherit;cursor:pointer;padding:.75rem;font-weight:600}.auth-google-button:hover{background:var(--color-surface-hover)}.auth-text-button{color:var(--accent);font:inherit;cursor:pointer;background:0 0;border:none;align-self:flex-start;padding:0;font-size:.85rem}.auth-text-button:hover{text-decoration:underline}.auth-divider{color:var(--color-text-secondary);align-items:center;gap:.75rem;font-size:.75rem;display:flex}.auth-divider:before,.auth-divider:after{content:"";background:var(--color-border);flex:1;height:1px}.auth-footer{color:var(--color-text-secondary);flex-wrap:wrap;justify-content:center;align-items:center;gap:.4rem;font-size:.85rem;display:flex}.auth-error{color:var(--color-danger);margin:0;font-size:.85rem}.auth-message{color:var(--color-text-secondary);margin:0;font-size:.85rem}.auth-submit-button:disabled{opacity:.55;cursor:not-allowed}.profile-data-management__actions{align-items:center;gap:var(--space-sm);flex-wrap:wrap;display:flex}.change-password-button{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-raised);color:var(--color-text);font:inherit;cursor:pointer;padding:.65rem 1rem;font-size:.85rem;font-weight:600}.change-password-button:hover{border-color:var(--accent);background:var(--color-surface-hover)}.change-password-button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.auth-google-button{border:1px solid var(--color-border);width:100%;color:inherit;font:inherit;cursor:pointer;background:0 0;border-radius:.5rem;padding:.8rem 1rem;font-weight:600}.auth-google-button:hover{border-color:var(--accent)}.auth-google-button{justify-content:center;align-items:center;gap:.75rem;display:flex}.import-guest-button{appearance:none;color:inherit;font:inherit;cursor:pointer;background:0 0;border:1px solid #8080804d;border-radius:8px;padding:10px 14px;font-size:.85rem;font-weight:600;transition:background .15s,border-color .15s,opacity .15s}.import-guest-button:hover:not(:disabled){background:#8080801f;border-color:currentColor}.import-guest-button:disabled{color:inherit;opacity:.45;cursor:not-allowed;background:0 0;transform:none}.import-guest-button:focus-visible{outline-offset:3px;outline:2px solid}@media (width<=480px){.guest-import-summary{grid-template-columns:1fr}}.guest-import-summary{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:16px 0;display:grid}.guest-import-summary__item{background:#8080800f;border:1px solid #80808040;border-radius:12px;flex-direction:column;gap:6px;padding:16px;display:flex}.guest-import-summary__item span{opacity:.7;font-size:12px}.guest-import-summary__item strong{font-size:22px;font-weight:700}.guest-import-note{opacity:.75;font-size:13px;line-height:1.6}.persistence-notice{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-raised);width:min(720px,100% - 2rem);color:var(--color-text-secondary);margin:0 auto;padding:.85rem 1rem;font-size:.9rem;line-height:1.45}.persistence-notice p{margin:0}.persistence-notice__actions{flex-wrap:wrap;gap:.5rem;margin-top:.7rem;display:flex}.persistence-notice__button{border:1px solid var(--color-border);border-radius:var(--radius-pill);color:var(--color-text);font:inherit;cursor:pointer;background:0 0;padding:.4rem .8rem;font-size:.85rem}.persistence-notice__button--secondary{color:var(--color-text-secondary)}@media (width<=480px){.guest-import-summary{grid-template-columns:1fr}}.discover{--discover-bg:#050507;--discover-text:#f5f5f7;--discover-muted:#a1a1aa;--discover-purple:#9473ff;--discover-line:#ffffff1a;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;background:radial-gradient(ellipse 70% 45% at 80% 0%, #9473ff38, transparent 60%), var(--discover-bg);min-height:100vh;color:var(--discover-text);font-family:Inter,Arial,sans-serif}.discover *,.discover :before,.discover :after{box-sizing:border-box}.discover a{color:inherit}.discover a:focus-visible,.discover button:focus-visible{outline:2px solid var(--discover-purple);outline-offset:3px}.discover-skip{z-index:5;color:#fff;background:#111;padding:.5rem .75rem;position:absolute;top:.75rem;left:1rem;transform:translateY(-150%)}.discover-skip:focus{transform:none}.discover-nav{z-index:4;border-bottom:1px solid var(--discover-line);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#050507c7;align-items:center;gap:1.25rem;min-height:4.25rem;padding:.75rem 6vw;display:flex;position:sticky;top:0}.discover-brand{letter-spacing:-.02em;white-space:nowrap;align-items:center;gap:.65rem;min-width:0;font-size:.92rem;font-weight:650;text-decoration:none;display:inline-flex}.discover-brand img{object-fit:cover;mix-blend-mode:screen;border-radius:.35rem;width:1.7rem;height:1.7rem}.discover-nav__links{gap:1.15rem;margin-left:auto;display:flex;overflow-x:auto}.discover-nav__links a{color:var(--discover-muted);white-space:nowrap;font-size:.86rem;text-decoration:none}.discover-nav__links a:hover{color:var(--discover-text)}.discover-button{min-height:2.7rem;color:var(--discover-text);background:0 0;border:1px solid #ffffff2e;border-radius:999px;justify-content:center;align-items:center;padding:.55rem 1rem;font-size:.92rem;font-weight:650;text-decoration:none;display:inline-flex}.discover-button--primary{background:var(--discover-purple);color:#141218;border-color:#0000}.discover-nav .discover-button{flex:none}.discover-hero{grid-template-columns:minmax(0,1.05fr) minmax(18rem,.95fr);align-items:center;gap:3rem;min-height:calc(100vh - 4.25rem);padding:4rem 6vw 5rem;display:grid}.discover-kicker{color:var(--discover-purple);letter-spacing:.16em;text-transform:uppercase;margin:0 0 .8rem;font-size:.78rem;font-weight:700}.discover h1,.discover h2,.discover h3,.discover p{margin:0}.discover h1{letter-spacing:-.055em;max-width:11ch;font-size:clamp(3.4rem,7vw,6.4rem);font-weight:620;line-height:1.02}.discover h2{letter-spacing:-.045em;max-width:14ch;font-size:clamp(2.4rem,5vw,4.4rem);font-weight:620;line-height:.98}.discover-lede{max-width:38rem;color:var(--discover-muted);margin-top:1.4rem;font-size:clamp(1.05rem,2vw,1.3rem);line-height:1.5}.discover-hero .discover-lede{margin-top:2.15rem}.discover-hero__actions{flex-wrap:wrap;gap:.75rem;margin-top:2.85rem;display:flex}.discover-hero__stage{min-height:28rem;position:relative}.discover-mascot{mix-blend-mode:screen;width:min(100%,34rem);height:auto;display:block}.discover-mascot--hero{margin-left:auto;animation:1.1s both discover-rise}.discover-board{background:#0c0a12b8;border:1px solid #9473ff59;border-radius:.8rem;grid-template-columns:repeat(4,3.4rem);width:max-content;padding:.45rem;animation:1.25s .15s both discover-rise;display:grid;position:absolute;bottom:1.5rem;left:0;box-shadow:0 30px 80px #00000073}.discover-square{background:#2a2438;place-items:center;width:3.4rem;height:3.4rem;display:grid}.discover-square.is-dark{background:#17141f}.discover-square img{width:78%;height:78%}.discover-section,.discover-destrier{scroll-margin-top:5.75rem}.discover-section{padding:6.5rem 6vw}.discover-section>.discover-lede,.discover-panel p,.discover-engine p,.discover-destrier p{color:var(--discover-muted);line-height:1.6}.discover-features{grid-template-columns:1.35fr .85fr;gap:1rem;margin-top:2.5rem;display:grid}.discover-panel{border:1px solid var(--discover-line);background:linear-gradient(#ffffff09,#ffffff04);border-radius:1.4rem;padding:1.6rem}.discover-panel--ai{background:radial-gradient(circle at 80% 20%,#9473ff38,#0000 42%),linear-gradient(#ffffff0a,#0000);flex-direction:column;grid-row:span 2;display:flex}.discover-panel--ai .discover-meter{margin-top:auto;padding-top:2.4rem}.discover-panel--custom{grid-column:1/-1}.discover-panel h3,.discover-compare h3,.discover-flow h3,.discover-stack h3{letter-spacing:-.03em;margin-bottom:.7rem;font-size:1.45rem}.discover-meter{gap:.85rem;margin-top:2.4rem;display:grid}.discover-meter span,.discover-meter strong{color:#0000;background:#ffffff14;border-radius:999px;height:.55rem;display:block;overflow:hidden}.discover-meter span:before,.discover-meter strong:before{content:"";border-radius:inherit;background:var(--discover-purple);height:100%;display:block}.discover-meter span:before{width:62%}.discover-meter strong:before{background:#fff;width:78%}.discover-modes,.discover-stats,.discover-stack ul,.discover-flow{margin:0;padding:0;list-style:none}.discover-modes li,.discover-stats li{border-top:1px solid var(--discover-line);justify-content:space-between;gap:1rem;padding:.75rem 0;display:flex}.discover-modes span,.discover-stats span,.discover-note{color:var(--discover-muted)}.discover-stats strong{white-space:nowrap;font-size:.95rem}.discover-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;margin-top:1.4rem;display:grid}.discover-stats li{border:1px solid var(--discover-line);border-radius:.9rem;padding:.9rem;display:grid}.discover-swatches{grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem;margin-top:1.4rem;display:grid}.discover-swatches span,.discover-piecesets{color:var(--discover-muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:.55rem;font-size:.78rem;display:block}.discover-swatches i{border-radius:999px;width:1.35rem;height:1.35rem;margin-right:.35rem;display:inline-block;box-shadow:inset 0 0 0 1px #fff3}.discover-piecesets{letter-spacing:0;text-transform:none;flex-wrap:wrap;gap:.4rem;display:flex}.discover-piecesets b{border:1px solid var(--discover-line);border-radius:999px;padding:.25rem .5rem;font-size:.78rem;font-weight:600}.discover-compare{grid-template-columns:1fr 1fr;gap:1rem;margin-top:2.5rem;display:grid}.discover-compare article{background:#0c0c10;border-radius:1.4rem;min-height:16rem;padding:1.6rem}.discover-compare p{color:var(--discover-muted);margin-top:.4rem}.discover-track{background:#ffffff14;border-radius:999px;height:.45rem;margin-top:3rem;position:relative}.discover-track__mark{width:1.1rem;height:1.1rem;box-shadow:0 0 24px var(--discover-purple);background:#fff;border-radius:50%;position:absolute;top:50%;left:28%;transform:translate(-50%,-50%)}.discover-track__mark.is-adaptive{background:var(--discover-purple)}.discover-flow{grid-template-columns:repeat(5,minmax(0,1fr));gap:.8rem;margin-top:2.6rem;display:grid}.discover-flow li{border:1px solid var(--discover-line);background:#0b0b10;border-radius:1.2rem;min-height:14rem;padding:1.2rem;position:relative}.discover-flow li span{width:1.8rem;height:1.8rem;color:var(--discover-purple);background:#9473ff29;border-radius:50%;place-items:center;margin-bottom:1.4rem;font-size:.8rem;font-weight:700;display:grid}.discover-flow p{color:var(--discover-muted);margin-top:.45rem;font-size:.92rem;line-height:1.45}.discover-flow li:after{content:"";z-index:1;border-top:2px solid var(--discover-purple);border-right:2px solid var(--discover-purple);width:.45rem;height:.45rem;position:absolute;top:2.1rem;right:-.55rem;transform:rotate(45deg)}.discover-flow li:last-child:after{content:none}.discover-engine{grid-template-columns:1.1fr .9fr;align-items:center;gap:2rem;display:grid}.discover-engine p+p,.discover-note{margin-top:1rem}.discover-engine__visual{text-align:center;background:radial-gradient(circle at 50% 45%,#9473ff61,#0000 36%),repeating-linear-gradient(90deg,#0000,#0000 18px,#9473ff14 19px),#07070b;border-radius:1.8rem;place-items:center;min-height:22rem;display:grid}.discover-engine__visual span,.discover-engine__visual em{color:var(--discover-muted);letter-spacing:.18em;text-transform:uppercase;font-style:normal}.discover-engine__visual strong{letter-spacing:-.04em;font-size:clamp(2rem,4vw,3.2rem)}.discover-stack{grid-template-columns:repeat(5,minmax(0,1fr));gap:1rem;margin-top:2.5rem;display:grid}.discover-stack section{border-top:1px solid var(--discover-line);padding:1.1rem}.discover-stack li{min-height:2.6rem;color:var(--discover-text);align-items:center;gap:.65rem;font-size:.95rem;display:flex}.discover-stack img,.discover-stack li>span{flex:none;width:1.35rem;height:1.35rem}.discover-stack li>span{border:1px solid var(--discover-line);color:var(--discover-purple);border-radius:.35rem;place-items:center;font-size:.75rem;font-weight:700;display:grid}.discover-destrier{text-align:center;justify-items:center;padding:5rem 6vw 7rem;display:grid}.discover-destrier h2,.discover-destrier p{max-width:36rem}.discover-soon{color:var(--discover-purple);letter-spacing:.14em;text-transform:uppercase;border:1px solid #9473ff80;border-radius:999px;margin-bottom:1rem;padding:.35rem .7rem;font-size:.78rem;font-weight:700}.discover-mascot--reveal{width:min(100%,22rem);margin-bottom:1rem}.discover-footer{border-top:1px solid var(--discover-line);color:var(--discover-muted);justify-content:space-between;gap:1rem;padding:1.4rem 6vw 2rem;font-size:.9rem;display:flex}.discover-footer nav{gap:1rem;display:flex}.discover-footer a{text-decoration:none}.discover-footer a:hover{color:var(--discover-text)}.discover-reveal{opacity:0;transition:opacity .8s,transform .8s;transform:translateY(28px)}.discover-reveal.is-visible{opacity:1;transform:none}@media (prefers-reduced-motion:no-preference){html:has(.discover){scroll-behavior:smooth}.discover-system.is-playing .discover-flow li{animation:5.75s ease-in-out infinite discover-step}.discover-system.is-playing .discover-track__mark,.discover-compare .is-adaptive{animation:4.8s ease-in-out infinite discover-slide}}@keyframes discover-rise{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}@keyframes discover-step{0%,18%,to{border-color:var(--discover-line);box-shadow:none}8%{border-color:#9473ffd9;box-shadow:0 0 32px #9473ff33}}@keyframes discover-slide{0%,to{left:22%}50%{left:78%}}@media (width<=980px){.discover-hero,.discover-engine,.discover-features,.discover-compare{grid-template-columns:1fr}.discover-panel--ai{grid-row:auto}.discover-hero__stage{min-height:0}.discover-board{margin-top:-3rem;position:static}.discover-flow,.discover-stack,.discover-swatches{grid-template-columns:1fr 1fr}.discover-flow li:after{inset:auto auto -.55rem 1.7rem;transform:rotate(135deg)}}@media (width<=720px){.discover-nav{flex-wrap:wrap;row-gap:.35rem}.discover-nav__links{flex:100%;order:3;min-width:0;margin-left:0}.discover-nav .discover-button{margin-left:auto}.discover-section,.discover-destrier{scroll-margin-top:8rem}}@media (width<=640px){.discover-nav{padding-inline:1rem}.discover-brand span{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.discover-hero,.discover-section,.discover-destrier{padding-inline:1rem}.discover-flow,.discover-stack,.discover-swatches,.discover-stats,.discover-footer{flex-direction:column;grid-template-columns:1fr}.discover-footer{align-items:flex-start}.discover h1{font-size:3.1rem}}@media (prefers-reduced-motion:reduce){html:has(.discover){scroll-behavior:auto}.discover-reveal,.discover-mascot--hero,.discover-board,.discover-flow li,.discover-track__mark{opacity:1;transition:none;animation:none;transform:none}}
