@import 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at 22% 16%, #718e850a, transparent 30%), radial-gradient(circle at 78% 20%, #718e8505, transparent 34%), linear-gradient(145deg, #0a0d10 0%, #131618 48%, #0f1315 100%);--bg-card:linear-gradient(165deg, #16191cf0, #0f1316fa);--line:#718e851a;--line-strong:#718e852e;--text-main:#f1f4f3;--text-muted:#c6d2ce;--text-soft:#8ea49d;--action:#5f7061;--action-strong:#a5b6a5;--action-soft:#6fa3721a;--action-soft-strong:#6fa37224;--action-ink:#fff;--accent-alt:#6fa372;--accent-alt-soft:#6fa37224;--accent-alt-ring:#6fa3724d;--focus-ring:#81b38147;--primary-btn-bg:linear-gradient(135deg, #6fa372, #445550);--primary-btn-text:#fff;--primary-btn-shadow:0 16px 34px #111c1b57;--font-display:"Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-body:"Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--radius-sm:10px;--radius-md:14px;--radius-lg:20px;--radius-full:999px;--chat-frame-width:1100px;--shadow-card:0 24px 54px #00000061;--shadow-composer:0 10px 22px #00000038, 0 2px 8px #0000001f;--topbar-bg:#0d0f12c2;--panel-bg:#14171bcc;--panel-bg-soft:#6fa37212;--input-bg:#0f1312e0;--result-bg:linear-gradient(140deg, #6fa37214, #718e8508 40%, #0f1915e0);--assistant-bubble-bg:#6fa37208;--user-bubble-bg:linear-gradient(135deg, #6fa37214, #718e8508);--selection-bg:#6fa3721f;--selection-ring:var(--accent-alt-ring);--nav-active-text:#f1f4f3f5;--nav-active-bg:#f1f4f317;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}[data-theme=light]{--bg-page:radial-gradient(circle at 18% 16%, #718e850a, transparent 28%), radial-gradient(circle at 78% 12%, #718e8505, transparent 30%), linear-gradient(180deg, #fafcfb 0%, #f8fbfa 100%);--bg-card:linear-gradient(160deg, #f6f8f7fa, #f3f7f5fc);--line:#718e851a;--line-strong:#718e8529;--text-main:#1a2520;--text-muted:#516551;--text-soft:#5b716a;--action:#4d685a;--action-strong:#345334;--action-soft:#6fa3721a;--action-soft-strong:#6fa37221;--action-ink:#fff;--accent-alt:#5a8f6f;--accent-alt-soft:#6fa3721f;--accent-alt-ring:#5a8f6f42;--focus-ring:#81b38147;--shadow-card:0 18px 34px #171c1b14;--shadow-composer:0 8px 18px #171c1b14, 0 2px 6px #171c1b0d;--primary-btn-bg:linear-gradient(135deg, #6fa372, #5b716a);--primary-btn-text:#fff;--primary-btn-shadow:0 12px 24px #44555033;--topbar-bg:#fafcfbeb;--panel-bg:#f5f7f6e0;--panel-bg-soft:#46a53f1c;--input-bg:#fffffff7;--result-bg:linear-gradient(135deg, #6fa37214, #f2f6f4fa);--assistant-bubble-bg:#6fa3720a;--user-bubble-bg:linear-gradient(135deg, #6fa37214, #f5f7f6f7);--selection-bg:#6fa3721a;--selection-ring:var(--accent-alt-ring);--nav-active-text:#3f465a;--nav-active-bg:#3f465a1a;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html,body,#root{min-height:100%}body{font-family:var(--font-body);color:var(--text-main);background:var(--bg-page);background-attachment:fixed;margin:0}a{color:inherit}button,textarea,input{font:inherit}.app-shell{min-height:100vh;position:relative;overflow-x:clip}.bg-orb{z-index:-1;border-radius:var(--radius-full);filter:blur(36px);opacity:.45;position:fixed}.bg-orb--one{background:var(--orb-one);width:320px;height:320px;animation:10s ease-in-out infinite drift;top:-120px;left:-90px}.bg-orb--two{background:var(--orb-two);width:360px;height:360px;animation:14s ease-in-out infinite reverse drift;top:180px;right:-110px}@keyframes drift{0%,to{transform:translateY(0)}50%{transform:translateY(16px)}}.topbar{z-index:30;padding:18px 18px 0;position:sticky;top:0}.topbar__inner{border-radius:var(--radius-md);background:var(--topbar-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);max-width:1260px;box-shadow:var(--shadow-card);justify-content:space-between;align-items:center;gap:26px;margin:0 auto;padding:14px 22px;display:flex}.brand{align-items:center;text-decoration:none;display:inline-flex}.brand__logo-frame{flex-shrink:0;justify-content:center;align-items:center;width:108px;height:34px;display:inline-flex}.brand__logo{object-fit:contain;width:auto;max-width:100%;height:auto;max-height:100%;display:block}.topnav{align-items:center;gap:10px;display:flex}.topbar__actions{align-items:center;gap:18px;display:flex}.topbar__login{min-height:44px;color:var(--primary-btn-text);border-color:color-mix(in srgb, var(--primary-btn-bg) 72%, transparent);background:var(--primary-btn-bg);box-shadow:var(--primary-btn-shadow);border-radius:999px;padding-inline:18px}.topbar__login:hover{filter:brightness(1.03);transform:translateY(-1px)}.user-menu{position:relative}.user-menu__trigger{border:1px solid color-mix(in srgb, var(--line-strong) 46%, transparent);background:color-mix(in srgb, var(--panel-bg) 90%, transparent);width:44px;height:44px;color:var(--text-main);box-shadow:0 16px 30px color-mix(in srgb, var(--shadow-color) 10%, transparent);cursor:pointer;border-radius:999px;justify-content:center;align-items:center;transition:transform .18s,background-color .18s,border-color .18s,box-shadow .18s;display:inline-flex}.user-menu__trigger:hover,.user-menu__trigger:focus-visible,.user-menu__trigger--open{background:color-mix(in srgb, var(--panel-bg-soft) 92%, transparent);border-color:color-mix(in srgb, var(--action) 36%, transparent);box-shadow:0 18px 34px color-mix(in srgb, var(--shadow-color) 16%, transparent);outline:none;transform:translateY(-1px)}.user-menu__trigger-icon{font-size:1.6rem!important}.user-menu__menu-layer,.user-menu__backdrop,.user-menu__drawer-head{display:block}.user-menu__close{background:var(--panel-bg-soft);width:44px;height:44px;color:var(--text-main);cursor:pointer;border:0;border-radius:999px;justify-content:center;align-items:center;transition:background-color .18s,color .18s;display:inline-flex}.user-menu__close:hover,.user-menu__close:focus-visible{color:var(--nav-active-text);background:var(--nav-active-bg);outline:none}.user-menu__close-icon{font-size:1.28rem!important}.user-menu__dropdown{overscroll-behavior:contain;width:min(440px,88vw);min-width:0;max-width:100vw;height:100dvh;padding:max(24px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) 24px;border:0;border-left:1px solid color-mix(in srgb, var(--line-strong) 34%, transparent);box-shadow:-18px 0 34px color-mix(in srgb, var(--shadow-color) 28%, transparent), inset 1px 0 0 #ffffff0f;z-index:112;-webkit-backdrop-filter:none;backdrop-filter:none;background:#101413;border-radius:0;align-content:start;gap:12px;margin:0;animation:.18s ease-out user-menu-slide-in;display:grid;position:fixed;top:0;right:0;overflow-y:auto}[data-theme=light] .user-menu__dropdown{background:#fff}.user-menu__menu-layer{z-index:110;position:fixed;inset:0}.user-menu__backdrop{cursor:pointer;-webkit-backdrop-filter:none;backdrop-filter:none;background:#0307128a;border:0;padding:0;position:fixed;inset:0}.user-menu__drawer-head{justify-content:flex-end;align-items:center;min-height:44px;display:flex}.user-menu__settings{gap:8px;display:grid}.user-menu__mobile-nav{display:none}.user-menu__section-label{color:var(--text-soft);letter-spacing:.08em;text-transform:uppercase;margin:0;font-size:.72rem;font-weight:800}@keyframes user-menu-slide-in{0%{transform:translate(100%)}to{transform:translate(0)}}.user-menu__identity{gap:4px;display:grid}.user-menu__name{color:var(--text-main);font-size:.98rem;line-height:1.2}.user-menu__email{color:var(--text-soft);word-break:break-word;font-size:.82rem;line-height:1.35}.user-menu__divider{background:color-mix(in srgb, var(--line) 88%, transparent);height:1px}.user-menu__item,.user-menu__logout{border-radius:var(--radius-sm);text-align:left;width:100%;color:var(--text-main);font-weight:600;font:inherit;cursor:pointer;background:0 0;border:0;align-items:center;gap:9px;padding:10px 12px;text-decoration:none;transition:background-color .18s,color .18s;display:flex}.user-menu__item--with-icon{justify-content:flex-start}.user-menu__item-icon{color:var(--action-strong);flex:none;font-size:1.08rem!important}.user-menu__item--active{color:var(--nav-active-text);background:var(--nav-active-bg)}.user-menu__item:hover,.user-menu__item:focus-visible,.user-menu__logout:hover,.user-menu__logout:focus-visible{background:var(--panel-bg-soft);color:var(--nav-active-text);outline:none}.user-menu__setting-row{border-radius:var(--radius-sm);color:var(--text-main);justify-content:space-between;align-items:center;gap:14px;padding:8px 8px 8px 12px;font-weight:600;display:flex}.user-menu__delete{border-radius:var(--radius-sm);text-align:left;width:100%;color:color-mix(in srgb, #ff6b6b 82%, var(--text-main) 18%);font-weight:600;font:inherit;cursor:pointer;background:0 0;border:0;align-items:center;padding:10px 12px;transition:background-color .18s,color .18s;display:flex}.user-menu__delete:hover,.user-menu__delete:focus-visible{color:#ff8b8b;background:#b91c1c1a;outline:none}.confirm-dialog-backdrop{z-index:120;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0307128f;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.confirm-dialog{border-radius:var(--radius-md);background:var(--bg-card);border:1px solid color-mix(in srgb, var(--line-strong) 34%, transparent);width:min(100%,460px);box-shadow:0 24px 48px color-mix(in srgb, var(--shadow-color) 18%, transparent), inset 0 1px 0 #ffffff1a;gap:14px;padding:22px;display:grid}.confirm-dialog__eyebrow{letter-spacing:.08em;text-transform:uppercase;color:color-mix(in srgb, #ff8b8b 82%, var(--text-soft) 18%);margin:0;font-size:.72rem;font-weight:700}.confirm-dialog h2{font-family:var(--font-display);margin:0;font-size:clamp(1.25rem,2.2vw,1.6rem);line-height:1.1}.confirm-dialog__copy{color:var(--text-muted);margin:0;line-height:1.55}.confirm-dialog__error{color:#ff8b8b;margin:0;font-size:.92rem}.confirm-dialog__actions{justify-content:flex-end;gap:10px;display:flex}.confirm-dialog__danger{border-radius:var(--radius-sm);color:#fff;cursor:pointer;background:linear-gradient(135deg,#b91c1c,#dc2626);border:0;padding:10px 14px;font-weight:700;transition:filter .18s,opacity .18s}.confirm-dialog__danger:hover,.confirm-dialog__danger:focus-visible{filter:brightness(1.06);outline:none}.confirm-dialog__danger:disabled{opacity:.6;cursor:not-allowed}.topnav__link{border-radius:var(--radius-sm);color:var(--text-muted);letter-spacing:.01em;padding:10px 13px;font-size:.92rem;font-weight:600;text-decoration:none;transition:color .2s,background-color .2s}.topnav__link:hover,.topnav__link:focus-visible{color:var(--nav-active-text);background:var(--nav-active-bg);outline:none}.topnav__link--active{color:var(--nav-active-text);background:var(--nav-active-bg)}[data-theme=light] .topnav__link--active{background:var(--nav-active-bg)}[data-theme=light] .topnav__link:hover,[data-theme=light] .topnav__link:focus-visible{color:var(--nav-active-text);background:var(--nav-active-bg)}.theme-toggle{border-radius:var(--radius-sm);background:var(--panel-bg-soft);width:40px;height:40px;color:var(--text-main);cursor:pointer;border:0;justify-content:center;align-items:center;padding:0;font-weight:700;line-height:0;transition:border-color .2s,background-color .2s;display:inline-flex}.language-toggle{background:var(--panel-bg-soft);min-height:40px;color:var(--text-main);letter-spacing:.06em;border:0;border-radius:999px;justify-content:center;align-items:center;gap:4px;padding:4px;font-size:.78rem;font-weight:800;display:flex}.language-toggle__option{min-width:46px;min-height:34px;color:var(--text-soft);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:999px;justify-content:center;align-items:center;padding:0 12px;font-weight:800;transition:background-color .18s,color .18s;display:inline-flex}.language-toggle__option:hover,.language-toggle__option:focus-visible,.language-toggle__option--active{color:var(--nav-active-text);background:var(--nav-active-bg);outline:none}.theme-toggle__icon{font-size:22px!important}.theme-toggle:hover,[data-theme=light] .theme-toggle:hover{color:var(--nav-active-text);background:var(--nav-active-bg)}.theme-toggle:focus-visible{color:var(--nav-active-text);background:var(--nav-active-bg);outline:none}.app-main{max-width:1240px;margin:18px auto 40px;padding:14px 18px 40px}.home,.arena,.leaderboard,.about,.chat-session,.auth-page{gap:26px;display:grid}.arena{width:min(100%, var(--chat-frame-width));--arena-fixed-bottom:max(14px, env(safe-area-inset-bottom));--arena-composer-height:90px;--arena-vote-panel-height:228px;--arena-vote-offset:0px;--arena-bottom-blur-height:calc(var(--arena-composer-height) + var(--arena-fixed-bottom));margin:0 auto;position:relative}.chat-session{width:min(100%, var(--chat-frame-width));--chat-fixed-bottom:max(14px, env(safe-area-inset-bottom));--chat-below-composer-blur:calc(var(--chat-fixed-bottom) + 20px);grid-template-rows:auto minmax(0,1fr) auto;align-content:stretch;min-height:calc(100dvh - 11.25rem);margin:0 auto;position:relative}.arena--active{align-content:start;padding-bottom:8rem}.arena--idle{grid-template-rows:auto minmax(0,1fr) auto;min-height:calc(100dvh - 12rem)}.arena--with-vote-panel{--arena-bottom-blur-height:calc(var(--arena-composer-height) + var(--arena-fixed-bottom));padding-bottom:18rem}.arena--with-result-panel{padding-bottom:16rem}.arena:after{content:"";width:min(calc(100vw - 36px), var(--chat-frame-width));height:var(--arena-bottom-blur-height);pointer-events:none;z-index:34;border-top-left-radius:var(--radius-md);border-top-right-radius:var(--radius-md);background:linear-gradient(to top, color-mix(in srgb, var(--bg-page) 90%, transparent) 0%, color-mix(in srgb, var(--bg-page) 72%, transparent) 58%, transparent 100%);-webkit-backdrop-filter:blur(25px)saturate(20%);backdrop-filter:blur(25px)saturate(20%);position:fixed;bottom:0;left:50%;transform:translate(-50%)}.chat-session:after{content:"";width:min(calc(100vw - 36px), var(--chat-frame-width));height:var(--chat-below-composer-blur);pointer-events:none;z-index:25;background:linear-gradient(to top, color-mix(in srgb, var(--bg-page) 86%, transparent) 0%, color-mix(in srgb, var(--bg-page) 60%, transparent) 72%, transparent 100%);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);position:fixed;bottom:0;left:50%;transform:translate(-50%)}.page-card{border-radius:var(--radius-md);background:var(--bg-card);box-shadow:var(--shadow-card);padding:24px}.page-card--helper{background:color-mix(in srgb, var(--panel-bg) 84%, transparent);max-width:720px;box-shadow:none;padding:14px 16px}.page-card--helper h2{margin:6px 0;font-size:1.3rem}.page-card--helper .eyebrow{font-size:.72rem}.page-card--helper p{font-size:.92rem}.auth-page{width:min(100%,920px);margin:0 auto}.auth-page--login{align-content:center;place-items:center;min-height:calc(100dvh - 11.5rem);padding-top:0}.auth-card,.auth-gate-card{border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--line);box-shadow:var(--shadow-card);gap:18px;padding:24px;display:grid}.auth-login-shell{width:min(100%,640px);margin-top:-42px;position:relative}.auth-login-shell__glow{background:radial-gradient(circle at center, color-mix(in srgb, var(--action) 18%, transparent) 0%, transparent 72%);filter:blur(22px);pointer-events:none;border-radius:999px;height:140px;position:absolute;inset:auto 8% -24px}.auth-card--login{background:linear-gradient(155deg, color-mix(in srgb, var(--bg-card) 94%, transparent) 0%, color-mix(in srgb, var(--panel-bg-soft) 70%, transparent) 100%);gap:24px;padding:clamp(24px,4vw,34px);position:relative;overflow:hidden}.auth-card--login:before{content:"";background:radial-gradient(circle at top right, color-mix(in srgb, var(--action) 10%, transparent) 0%, transparent 34%);pointer-events:none;position:absolute;inset:0}.auth-card--callback{width:min(100%,560px);margin:0 auto}.auth-card--callback-minimal{justify-content:center;padding:32px 28px;display:flex}.auth-card__header h3,.auth-card__header h1,.auth-gate-card h2{font-family:var(--font-display);margin:0;font-size:clamp(2rem,2.3vw,2.5rem);line-height:1.04}.auth-card__header--compact{gap:12px;max-width:34rem;display:grid}.auth-card__header p,.auth-gate-card p{color:var(--text-muted);max-width:60ch;margin:0}.auth-card__actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.auth-card__actions--stacked{grid-template-columns:1fr;gap:14px}.auth-provider-btn{border:1px solid color-mix(in srgb, var(--line-strong) 54%, transparent);border-radius:calc(var(--radius-md) + 2px);min-height:68px;color:var(--text-main);cursor:pointer;box-shadow:0 18px 32px color-mix(in srgb, var(--shadow-color) 10%, transparent);justify-content:space-between;align-items:center;gap:16px;padding:18px 20px;font-size:1rem;font-weight:700;transition:transform .18s,border-color .18s,background-color .18s,box-shadow .18s;display:inline-flex}.auth-provider-btn:hover{box-shadow:0 22px 38px color-mix(in srgb, var(--shadow-color) 14%, transparent);transform:translateY(-2px)}.auth-provider-btn--github{background:linear-gradient(180deg, color-mix(in srgb, var(--panel-bg) 92%, black 8%) 0%, color-mix(in srgb, var(--bg-card) 92%, black 8%) 100%);border-color:color-mix(in srgb, var(--line-strong) 42%, transparent)}.auth-provider-btn--github:hover{border-color:color-mix(in srgb, var(--line-strong) 54%, transparent);background:linear-gradient(180deg, color-mix(in srgb, var(--panel-bg) 84%, black 16%) 0%, color-mix(in srgb, var(--bg-card) 84%, black 16%) 100%)}.auth-provider-btn--google{background:linear-gradient(180deg, color-mix(in srgb, var(--panel-bg) 92%, black 8%) 0%, color-mix(in srgb, var(--bg-card) 92%, black 8%) 100%);border-color:color-mix(in srgb, var(--line-strong) 42%, transparent)}.auth-provider-btn--google:hover{border-color:color-mix(in srgb, var(--line-strong) 54%, transparent);background:linear-gradient(180deg, color-mix(in srgb, var(--panel-bg) 84%, black 16%) 0%, color-mix(in srgb, var(--bg-card) 84%, black 16%) 100%)}.auth-provider-btn:disabled{cursor:not-allowed;opacity:.6;transform:none}.auth-provider-btn__icon,.auth-card__note-icon,.auth-gate-card__icon{font-size:1.15rem!important}.auth-provider-btn__brand{align-items:center;gap:12px;display:inline-flex}.auth-provider-btn__trailing-icon{color:var(--text-soft);transition:transform .18s,color .18s;font-size:1.2rem!important}.auth-provider-btn:hover .auth-provider-btn__trailing-icon{color:var(--text-main);transform:translate(1px,-1px)}.auth-card__disclaimer{color:var(--text-soft);text-align:center;margin:0;font-size:.82rem;line-height:1.45}.auth-card__disclaimer-link{color:var(--nav-active-text);text-decoration:none}.auth-card__disclaimer-link:hover,.auth-card__disclaimer-link:focus-visible{outline:none;text-decoration:underline}.auth-card__note{border-radius:var(--radius-md);background:color-mix(in srgb, var(--panel-bg-soft) 78%, transparent);color:var(--text-soft);align-items:center;gap:10px;padding:12px 14px;font-size:.92rem;display:inline-flex}.auth-card__error-state{justify-items:start;gap:12px;display:grid}.auth-callback-status{color:var(--text-main);align-items:center;gap:12px;font-weight:600;display:inline-flex}.auth-callback-status__spinner{border:2px solid color-mix(in srgb, var(--line-strong) 40%, transparent);border-top-color:var(--action);border-radius:999px;width:16px;height:16px;animation:.85s linear infinite auth-spin}@keyframes auth-spin{to{transform:rotate(360deg)}}.auth-gate-card{width:min(100%,760px);margin:0 auto}.auth-gate-card__action{justify-self:start;align-items:center;gap:10px;display:inline-flex}.arena-note{border-radius:var(--radius-sm);background:color-mix(in srgb, var(--panel-bg-soft) 72%, transparent);color:var(--text-soft);gap:4px;margin-top:14px;padding:10px 12px;font-size:.82rem;line-height:1.45;display:grid}.arena-note strong{color:var(--text-main);font-size:.8rem}.experimental-arena__setup-shell{grid-template-columns:minmax(0,1.25fr) minmax(360px,430px);align-items:start;gap:20px;display:grid}.experimental-arena__intro-card{width:100%;max-width:none}.experimental-setup-card,.experimental-summary{border-radius:var(--radius-md);background:color-mix(in srgb, var(--panel-bg) 92%, transparent);box-shadow:0 12px 30px #00000029, 0 0 0 1px color-mix(in srgb, var(--line) 38%, 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transparent);text-align:left;width:100%;height:440px;color:var(--text-main);cursor:pointer;-webkit-user-select:text;user-select:text;border:1px solid #0000;flex-direction:column;justify-content:flex-start;align-items:stretch;padding:10px 20px 20px;transition:transform .18s,box-shadow .18s,background-color .18s;animation:.3s reveal;display:flex;overflow:hidden;box-shadow:0 10px 26px #0000002e}.response-card:hover{transform:translateY(-1px);box-shadow:0 14px 32px #0003}.response-card--static{cursor:default}.response-card--static:hover{transform:none;box-shadow:0 10px 26px #0000002e}.response-card--selected{border-color:var(--selection-ring);background:var(--selection-bg);box-shadow:0 0 0 1px var(--selection-ring), 0 14px 32px #0003}.response-card--selected:hover{border-color:var(--selection-ring);background:var(--selection-bg);box-shadow:0 0 0 1px var(--selection-ring), 0 14px 32px #0003;transform:translateY(-1px)}[data-theme=light] 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reveal{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.response-card__content{color:var(--text-main);flex:auto;min-height:0;padding-right:8px;line-height:1.62;display:block;overflow-y:auto}.response-card__stream-status{color:var(--text-soft);align-items:center;gap:6px;margin-top:14px;display:inline-flex}.response-card__stream-status span{border-radius:var(--radius-full);background:currentColor;width:6px;height:6px;animation:1.2s ease-in-out infinite typingPulse}.response-card__stream-status span:nth-child(2){animation-delay:.12s}.response-card__stream-status span:nth-child(3){animation-delay:.24s}.response-card__error{color:var(--text-main);margin:14px 0 0;font-size:.92rem;font-weight:700}.response-card--editing{cursor:default}.response-card--editing:hover{transform:none;box-shadow:0 10px 26px #0000002e}.response-card__actions{flex:none;justify-content:flex-end;gap:8px;margin-bottom:12px;display:flex}.response-card__icon-btn{background:color-mix(in srgb, var(--panel-bg) 88%, transparent);width:34px;height:34px;color:var(--text-soft);cursor:pointer;border:0;border-radius:999px;justify-content:center;align-items:center;transition:background-color .16s,color .16s,transform .16s;display:inline-flex;box-shadow:0 4px 10px #00000014}.response-card__icon-btn:hover{color:var(--text-main);transform:translateY(-1px)}.response-card__icon-btn--active{background:color-mix(in srgb, var(--action) 48%, var(--panel-bg) 52%);color:var(--text-main);box-shadow:0 0 0 1px color-mix(in srgb, var(--action) 46%, transparent), 0 6px 14px #00000029}.response-card__icon-btn svg{font-size:1rem}.response-card__icon-btn--submitted{position:relative}.response-card__icon-btn--submitted:after{content:attr(data-tooltip);background:color-mix(in srgb, var(--panel-bg) 96%, black 4%);border:1px solid color-mix(in srgb, var(--line) 82%, transparent);color:var(--text-main);white-space:nowrap;opacity:0;visibility:hidden;pointer-events:none;z-index:5;border-radius:7px;max-width:min(240px,100vw - 48px);padding:5px 8px;font-size:.72rem;font-weight:600;line-height:1.2;transition:opacity 35ms linear,visibility 35ms linear;position:absolute;top:calc(100% + 7px);right:0;transform:translate(0)}.response-card__icon-btn--submitted:hover:after,.response-card__icon-btn--submitted:focus-visible:after{opacity:1;visibility:visible}.response-card__edit-area{grid-template-rows:minmax(0,1fr) auto;gap:12px;height:100%;display:grid}.response-card__textarea{resize:none;border:1px solid color-mix(in srgb, var(--line) 82%, transparent);border-radius:calc(var(--radius-sm) - 2px);background:color-mix(in srgb, var(--input-bg) 92%, transparent);width:100%;height:100%;min-height:0;color:var(--text-main);font:inherit;padding:14px 16px;line-height:1.62;box-shadow:inset 0 1px 2px #0000000a}.response-card__textarea:focus{border-color:color-mix(in 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var(--arena-vote-offset));z-index:40;gap:16px;padding:18px;display:grid;position:fixed;transform:translate(-50%)}.vote-panel__header{justify-content:space-between;align-items:flex-start;gap:10px;display:flex}.vote-panel__title-group{gap:4px;min-width:0;display:grid}.vote-panel h3{font-family:var(--font-display);margin:0;font-size:1.08rem}.vote-panel__selection{color:var(--text-soft);margin:0;font-size:.82rem;font-weight:700}.vote-panel__collapse{display:none}.vote-panel__hint{color:var(--text-soft);margin:0;font-size:.9rem}.vote-panel__grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;width:100%;margin:0 auto;display:grid}.vote-btn{text-align:center;border-radius:var(--radius-sm);color:var(--text-main);background:var(--panel-bg-soft);cursor:pointer;border:1px solid #0000;align-content:center;justify-items:center;gap:5px;min-width:0;min-height:74px;padding:11px 12px;transition:transform .18s,background-color .2s,box-shadow .2s;display:grid}.vote-btn__top{justify-content:center;align-items:center;gap:8px;min-width:0;font-weight:600;display:inline-flex}.vote-btn__icon{color:var(--action-strong);flex-shrink:0;font-size:1.05rem!important}.vote-btn small{color:var(--text-soft);font-size:.8rem;line-height:1.3}.vote-btn:hover{background:var(--action-soft);transform:translateY(-1px);box-shadow:0 8px 18px #0f10152e}.vote-btn--selected,.vote-btn--selected:hover{border-color:var(--selection-ring);background:var(--selection-bg);box-shadow:0 0 0 1px var(--selection-ring), 0 8px 18px #0f10152e, 0 10px 20px #0f101533;transform:translateY(-1px)}[data-theme=light] .vote-btn:hover{background:var(--action-soft)}[data-theme=light] .vote-btn--selected{background:var(--selection-bg)}.result-card{border-radius:var(--radius-sm);background:var(--result-bg);width:min(calc(100vw - 48px), var(--chat-frame-width));z-index:40;box-shadow:0 20px 50px #00000047, 0 0 0 1px color-mix(in srgb, var(--line) 40%, transparent);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border:0;gap:12px;padding:15px;display:grid;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.vote-panel__submit{min-width:132px;padding:8px 14px;line-height:1.1}[data-theme=light] .result-card{box-shadow:0 16px 30px #1b1d231f}.result-card__kicker{color:var(--action);text-transform:uppercase;letter-spacing:.06em;margin:0 0 20px;font-size:.78rem;font-weight:700}.result-card__top{justify-content:space-between;align-items:center;gap:12px;display:flex}.result-card__new-chat{border-radius:calc(var(--radius-sm) - 2px);white-space:nowrap;background:var(--primary-btn-bg);color:var(--primary-btn-text);box-shadow:var(--primary-btn-shadow);border:1px solid color-mix(in srgb, var(--line-strong) 70%, transparent);background-size:120% 120%;align-items:center;gap:8px;padding:8px 13px;font-size:.84rem;font-weight:700;transition:background-position .22s,filter .22s,box-shadow .22s,transform .22s;display:inline-flex}.result-card__new-chat:hover{filter:brightness(1.02);background-position:100%;transform:none;box-shadow:0 12px 24px #0000002e}[data-theme=light] .result-card__new-chat:hover{filter:brightness(1.01);background:linear-gradient(135deg,#a0c8a0,#6a8a6a)}.result-card__new-chat-icon{font-size:1rem!important}.result-card h3{font-family:var(--font-display);margin:0;font-size:1.3rem}.result-card__grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.result-chip{border-radius:var(--radius-sm);background:color-mix(in srgb, var(--panel-bg-soft) 82%, transparent);gap:4px;padding:10px 12px;transition:background-color .22s,box-shadow .22s,transform .22s;display:grid}.result-chip--winner{background:linear-gradient(135deg, color-mix(in srgb, var(--selection-bg) 88%, var(--panel-bg-soft)), color-mix(in srgb, var(--accent-alt-soft) 72%, transparent));box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--selection-ring) 75%, transparent), 0 10px 24px #00000024;align-self:start}.result-chip--winner .result-chip__label,.result-chip--winner strong{color:var(--text-main)}.result-chip__label{color:var(--text-soft);text-transform:uppercase;letter-spacing:.05em;font-size:.74rem}.result-chip strong{font-size:.98rem}.result-chip__parameters-wrap{opacity:0;max-height:0;transition:max-height .28s,opacity .2s,transform .24s,margin-top .24s;overflow:hidden;transform:translateY(-4px)}.result-chip__parameters-wrap--open{opacity:1;max-height:260px;transform:translateY(0)}.result-chip__parameters-panel{border-radius:calc(var(--radius-sm) - 2px);background:color-mix(in srgb, var(--panel-bg) 92%, transparent);border:1px solid color-mix(in srgb, var(--line) 44%, transparent);grid-template-columns:minmax(0,1fr) auto;gap:6px 10px;margin-top:10px;padding:10px 11px;display:grid}.result-chip__parameters-panel span{color:var(--text-soft);font-size:.8rem}.result-chip__parameters-panel strong{text-align:right;font-size:.82rem}.result-chip--expanded{align-content:start;transform:translateY(-1px)}.experimental-result__controls{justify-content:flex-start;display:flex}.experimental-parameters__toggle{color:var(--text-soft);cursor:pointer;background:0 0;border:0;padding:0;font-size:.84rem;font-weight:700;transition:color .18s}.experimental-parameters__toggle:hover{color:var(--action)}.result-chip__model-link{color:inherit;align-items:center;gap:6px;text-decoration:none;display:inline-flex}.result-chip__model-link:hover{color:var(--action)}.model-link__icon{opacity:.85;font-size:.92em!important}@media (width<=900px){.home-grid,.duel-grid,.model-details__stats,.model-stats-grid{grid-template-columns:1fr}.response-card{height:380px}.vote-panel{width:min(calc(100vw - 24px), var(--chat-frame-width));bottom:calc(var(--arena-fixed-bottom) + var(--arena-composer-height) + 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max(18px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) 18px}.user-menu__mobile-nav{gap:8px;display:grid}.user-menu__close{width:38px;height:38px}.user-menu__drawer-head{min-height:38px}.chat-space{min-height:360px;padding:20px}.chat-session{grid-template-rows:auto minmax(0,1fr) auto;min-height:calc(100dvh - 10.5rem)}.chat-session .chat-space{padding:6px 8px 136px}.page-card--helper{max-width:100%}.leaderboard,.leaderboard-shell,.leaderboard-card,.leaderboard-table-wrap{width:100%;min-width:0;max-width:100%}.leaderboard-card{padding:12px}.leaderboard-shell .page-card--helper{padding:16px}.leaderboard-shell .page-card--helper h2{font-size:clamp(1.35rem,8vw,1.9rem);line-height:1.12}.leaderboard-card__toolbar{margin-bottom:8px}.leaderboard-table-wrap{display:none}.leaderboard-mobile-list{gap:12px;display:grid}.auth-page,.auth-card--callback,.auth-gate-card{width:100%}.experimental-arena__setup-shell,.experimental-toggle-group{grid-template-columns:1fr}.experimental-summary,.experimental-summary--editable{flex-wrap:wrap;align-items:flex-start}.about-principles__grid{grid-template-columns:1fr;gap:12px}.about-highlight__grid{grid-template-columns:1fr;gap:14px}.about-flow__grid,.about-partners{grid-template-columns:1fr;gap:20px}.chat-composer__toolbar{flex-wrap:wrap}.chat-composer__model-trigger{width:min(100%,340px);min-width:0}.chat-composer__model-menu{min-width:min(340px,100vw - 48px)}.chat-session .prompt-form{width:min(calc(100vw - 24px), var(--chat-frame-width));bottom:max(10px, env(safe-area-inset-bottom))}.arena{--arena-fixed-bottom:max(10px, 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