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  Description: Dark theme as seen on github.com
  Author: github.com
  Maintainer: @Hirse
  Updated: 2021-05-15

  Outdated base version: https://github.com/primer/github-syntax-dark
  Current colors taken from GitHub's CSS
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var(--color-border)}.meter{width:100%;height:8px;border-radius:var(--radius-pill);background:var(--slate-200);overflow:hidden}.meter__fill{height:100%;border-radius:var(--radius-pill);background:var(--grad-primary)}.meter__fill.green{background:var(--color-success)}.meter__fill.amber{background:var(--color-warning)}.meter__fill.red{background:var(--color-danger)}.alert{display:flex;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);font-size:var(--text-sm);align-items:flex-start}.alert svg{width:18px;height:18px;flex:none;margin-top:1px}.alert--info{background:var(--lru-indigo-50);color:var(--lru-indigo-600)}.alert--success{background:var(--lru-green-50);color:var(--lru-green-600)}.alert--warning{background:var(--lru-amber-50);color:var(--lru-amber-600)}.alert--danger{background:var(--lru-red-50);color:var(--lru-red-600)}.toast-stack{position:fixed;top:18px;right:18px;z-index:1000;display:flex;flex-direction:column;gap:10px;max-width:min(380px,calc(100vw - 36px));pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border-radius:var(--radius-md);color:#fff;box-shadow:var(--shadow-lg);animation:toast-in .18s ease-out}.toast__icon{flex:none;margin-top:1px;color:#fff}.toast__msg{font-size:var(--text-sm);color:#fff;line-height:1.5;flex:1;font-weight:var(--fw-medium)}.toast__close{flex:none;border:none;background:transparent;color:#ffffffbf;cursor:pointer;padding:2px;border-radius:var(--radius-xs)}.toast__close:hover{background:#ffffff2e;color:#fff}.toast--success{background:var(--lru-green-600)}.toast--danger{background:var(--lru-red-600)}.toast--warning{background:var(--lru-amber-600)}.toast--info{background:var(--lru-blue-600)}@keyframes toast-in{0%{opacity:0;transform:translate(16px)}to{opacity:1;transform:translate(0)}}.ac{position:relative;width:100%}.ac__control{display:flex;align-items:center;gap:8px;border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);background:#fff;padding:0 10px;height:38px;cursor:text;transition:border-color var(--transition),box-shadow 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var(--color-border);border-radius:var(--radius-md);background:var(--color-surface)}.mini-stat__icon{width:34px;height:34px;border-radius:var(--radius-sm);display:grid;place-items:center;color:#fff;flex:none}.mini-stat__num{font-size:var(--text-xl);font-weight:var(--fw-bold);font-family:var(--font-num)}.mini-stat__label{font-size:var(--text-xs);color:var(--color-text-muted)}.async{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-3);padding:var(--space-12) var(--space-4);color:var(--color-text-muted);text-align:center}.spinner{width:30px;height:30px;border:3px solid var(--slate-200);border-top-color:var(--color-primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block}.status-dot.green{background:var(--color-success);box-shadow:0 0 0 3px var(--lru-green-50)}.status-dot.red{background:var(--color-danger);box-shadow:0 0 0 3px var(--lru-red-50)}.status-dot.amber{background:var(--color-warning);box-shadow:0 0 0 3px var(--lru-amber-50)}.live-pill{display:inline-flex;align-items:center;gap:6px;font-size:var(--text-xs);font-weight:var(--fw-semibold);color:var(--color-success)}.live-pill .status-dot{animation:pulse 1.6s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}@media(max-width:900px){.app-shell,.app-shell.collapsed{grid-template-columns:1fr}.sidebar{position:fixed;left:0;top:0;width:var(--sidebar-w);transform:translate(-100%);transition:transform var(--transition);box-shadow:var(--shadow-lg)}.app-shell.mobile-open .sidebar{transform:translate(0)}.content{padding:var(--space-4)}}.fb-row{display:flex;align-items:center;gap:8px;padding:7px 10px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface, #fff)}.fb-row__rank{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--lru-blue-50);color:var(--lru-blue-700);font-size:var(--text-xs);font-weight:var(--fw-semibold);flex:none}.fb-row__name{flex:1;font-size:var(--text-sm);font-weight:var(--fw-medium);color:var(--color-text-strong);min-width:0}.fb-row__btn{display:grid;place-items:center;width:26px;height:26px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--color-text-faint);cursor:pointer}.fb-row__btn:hover:not(:disabled){background:var(--slate-100);color:var(--color-text)}.fb-row__btn:disabled{opacity:.3;cursor:not-allowed}.fb-row__btn--del:hover:not(:disabled){background:var(--lru-red-50);color:var(--lru-red-500)}.auth-split{min-height:100vh;width:100%;display:grid;grid-template-columns:1fr 1fr;background:var(--color-surface);font-family:var(--font-sans)}.auth-brand{position:relative;overflow:hidden;min-height:100vh;display:flex;isolation:isolate;color:#fff;background:var(--grad-hero)}.auth-brand__photo{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;background:url(/campus.png) center/cover no-repeat;transform:scale(1.04)}.auth-brand__overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;background:linear-gradient(180deg,#02154600,#021b468c),linear-gradient(135deg,#021b46f0,#1e40afd1 55%,#2563ebb8)}.auth-brand__glow{position:absolute;z-index:1;border-radius:var(--radius-pill);filter:blur(80px);opacity:.5;pointer-events:none}.auth-brand__glow--1{width:420px;height:420px;top:-120px;right:-120px;background:radial-gradient(circle,var(--lru-pink-500) 0%,transparent 70%)}.auth-brand__glow--2{width:380px;height:380px;bottom:-140px;left:-100px;background:radial-gradient(circle,var(--lru-indigo-500) 0%,transparent 70%);opacity:.4}.auth-brand__inner{position:relative;z-index:2;width:100%;display:flex;flex-direction:column;padding:clamp(var(--space-8),5vh,56px) clamp(var(--space-8),5vw,72px)}.brand-eyebrow{display:inline-flex;align-items:center;gap:var(--space-2);align-self:flex-start;padding:7px 14px;border-radius:var(--radius-pill);background:#ffffff1a;border:1px solid rgba(255,255,255,.22);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);font-size:var(--text-xs);font-weight:var(--fw-semibold);letter-spacing:.01em;color:#fffffff2}.brand-eyebrow svg{color:var(--lru-pink-500)}.brand-hero{margin:auto 0;display:flex;flex-direction:column;gap:var(--space-6);max-width:520px;padding:var(--space-10) 0}.brand-lockup{display:flex;align-items:center;gap:var(--space-4)}.brand-crest{width:76px;height:76px;object-fit:contain;flex:none;filter:drop-shadow(0 4px 14px 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var(--transition)}.auth-submit-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-pink)}.auth-sso-btn{border-color:var(--lru-blue-500)!important;color:var(--lru-blue-500)!important;background:var(--color-surface)!important;font-weight:var(--fw-semibold)!important;margin-bottom:var(--space-4);transition:background var(--transition),border-color var(--transition)}.auth-sso-btn:hover{background:var(--lru-blue-50)!important;border-color:var(--lru-blue-600)!important}.auth-divider{display:flex;align-items:center;gap:var(--space-3);color:var(--color-text-faint);font-size:var(--text-xs);margin:var(--space-5) 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img{width:36px;height:36px;object-fit:contain}.rail-btn{width:44px;height:44px;border-radius:var(--radius-md);display:grid;place-items:center;color:var(--sidebar-fg-muted);background:transparent;border:none;transition:all var(--transition)}.rail-btn:hover{background:var(--sidebar-hover-bg);color:#fff}.rail-btn.active{background:var(--sidebar-active-bg);color:#fff}.chat-rail__spacer{flex:1}.chat-list{display:flex;flex-direction:column;border-right:1px solid var(--color-border);background:var(--color-surface);min-width:0;min-height:0}.chat-list__head{padding:var(--space-4);border-bottom:1px solid var(--color-border)}.chat-list__items{flex:1;min-height:0;overflow-y:auto;padding:var(--space-2)}.conv{position:relative;display:block;width:100%;text-align:left;border:none;background:transparent;padding:10px var(--space-3);border-radius:var(--radius-md);margin-bottom:2px;cursor:pointer}.conv:hover{background:var(--slate-100)}.conv.active{background:var(--lru-blue-50)}.conv__title{font-size:var(--text-sm);font-weight:var(--fw-medium);color:var(--color-text-strong);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-right:22px}.conv__meta{font-size:var(--text-xs);color:var(--color-text-muted);display:flex;justify-content:space-between;gap:6px;margin-top:2px}.conv__del{position:absolute;top:8px;right:6px;display:grid;place-items:center;width:26px;height:26px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--color-text-faint);cursor:pointer;opacity:0;transition:opacity var(--transition),color var(--transition),background var(--transition)}.conv:hover .conv__del,.conv.active .conv__del{opacity:1}.conv__del:hover{background:var(--lru-red-50);color:var(--lru-red-500)}.chat-list__quota{padding:var(--space-3) var(--space-4);border-top:1px solid var(--color-border)}.chat-main{display:flex;flex-direction:column;height:100vh;min-width:0;background:var(--color-surface-2)}.chat-titlebar{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-5);border-bottom:1px solid var(--color-border);background:#ffffffeb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.chat-titlebar__title{font-weight:var(--fw-semibold);color:var(--color-text-strong);font-size:var(--text-md);flex:1;min-width:0}.chat-titlebar__title .truncate{display:block}.chat-titlebar__actions{display:flex;align-items:center;gap:4px}.chat-toolbar{display:flex;align-items:flex-end;gap:var(--space-5);flex-wrap:wrap;padding:var(--space-3) var(--space-5);border-bottom:1px solid var(--color-border);background:#fff}.sel-group{display:flex;flex-direction:column;gap:5px}.sel-group__label{font-size:var(--text-xs);color:var(--color-text-muted);font-weight:var(--fw-medium)}.sel-group.disabled{opacity:.45;pointer-events:none}.model-select{display:inline-flex;align-items:center;gap:var(--space-2);padding:7px 12px;border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);background:#fff;font-size:var(--text-sm);font-weight:var(--fw-medium);cursor:pointer}.model-select:hover{background:var(--slate-50)}.select--toolbar{width:280px;max-width:100%;height:38px;padding:0 12px;font-size:var(--text-sm)}.model-menu{position:absolute;top:calc(100% + 6px);left:0;z-index:40;min-width:230px;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:6px}.model-opt{display:flex;align-items:center;gap:var(--space-3);padding:9px var(--space-3);border-radius:var(--radius-sm);cursor:pointer}.model-opt:hover{background:var(--slate-100)}.model-opt.active{background:var(--lru-blue-50)}.model-empty-note{display:inline-flex;align-items:center;gap:8px;font-size:var(--text-sm);color:var(--color-text-muted);background:var(--lru-amber-50, #fffbeb);border:1px solid var(--lru-amber-200, #fde68a);border-radius:var(--radius-md);padding:8px 12px}.provider-chips{display:flex;gap:6px;flex-wrap:wrap}.pchip{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:var(--radius-sm);border:1px solid var(--color-border-strong);background:#fff;font-size:var(--text-sm);cursor:pointer;color:var(--color-text)}.pchip:hover{background:var(--slate-50)}.pchip.active{background:var(--lru-blue-50);border-color:var(--lru-blue-500);color:var(--lru-blue-700);font-weight:var(--fw-semibold)}.pchip__icon{width:15px;height:15px;object-fit:contain}.reco-badge{font-size:.62rem;font-weight:700;color:var(--lru-green-600);background:var(--lru-green-50);border-radius:var(--radius-pill);padding:1px 6px}.chat-ragrow{display:flex;align-items:center;gap:var(--space-3);padding:10px var(--space-5);border-bottom:1px solid var(--color-border);background:var(--color-surface-2)}.token-pill{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:var(--radius-pill);background:var(--lru-blue-50);color:var(--lru-blue-700);font-size:var(--text-xs);font-weight:var(--fw-semibold)}.chat-msgs{flex:1;overflow-y:auto;padding:var(--space-6)}.chat-thread{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:var(--space-5)}.msg{display:flex;gap:var(--space-3)}.msg__avatar{flex:none}.msg__model{display:flex;align-items:center;gap:6px;font-size:var(--text-xs);color:var(--color-text-muted);margin-bottom:6px}.msg__bubble{padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);font-size:var(--text-md);line-height:1.6;white-space:pre-wrap}.msg--assistant .msg__bubble{background:#fff;border:1px solid var(--color-border);border-top-left-radius:4px}.msg--user{flex-direction:row-reverse}.msg--user .msg__bubble{background:var(--grad-primary);color:#fff;border-top-right-radius:4px}.msg__image{display:block;max-width:280px;max-height:300px;width:auto;height:auto;border-radius:var(--radius-md);margin-bottom:6px}.msg__image:last-child{margin-bottom:0}.msg__sources{margin-top:var(--space-3);display:flex;flex-direction:column;gap:6px}.msg__source{font-size:var(--text-xs);background:var(--slate-50);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:6px 10px}.msg__source b{color:var(--lru-blue-600)}.msg__footer{display:flex;align-items:center;gap:var(--space-2);margin-top:var(--space-2)}.msg-action{width:28px;height:28px;border-radius:var(--radius-xs);border:none;background:transparent;color:var(--color-text-faint);display:grid;place-items:center;cursor:pointer}.msg-action:hover{background:var(--slate-100);color:var(--color-primary-strong)}.msg__tokens{margin-left:auto;font-size:var(--text-xs);color:var(--color-text-faint)}.chat-empty{max-width:680px;margin:6vh auto 0;text-align:center}.chat-suggest{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-3);margin-top:var(--space-6)}.suggest-card{text-align:left;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-4);background:#fff;cursor:pointer;transition:all var(--transition)}.suggest-card:hover{border-color:#93b4fb;box-shadow:var(--shadow-sm)}.token-bar{max-width:860px;margin:0 auto;width:100%;padding:var(--space-2) var(--space-5) 0;display:flex;align-items:center;gap:var(--space-3)}.token-bar__label{font-size:var(--text-xs);color:var(--color-text-muted);white-space:nowrap}.token-bar__meter{flex:1}.token-bar__val{font-size:var(--text-xs);font-weight:var(--fw-semibold);font-family:var(--font-num);white-space:nowrap}.chat-composer{padding:var(--space-3) var(--space-5) var(--space-5);background:var(--color-surface-2)}.composer-box{max-width:860px;margin:0 auto;border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);padding:var(--space-3);background:#fff;box-shadow:var(--shadow-sm)}.composer-box:focus-within{border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb1f}.composer-row{display:flex;align-items:flex-end;gap:var(--space-2)}.composer-input{width:100%;border:none;outline:none;resize:none;font-size:var(--text-md);line-height:1.5;max-height:180px;font-family:inherit}.composer-tools{display:flex;align-items:center;gap:var(--space-2);margin-top:var(--space-2)}.composer-bar{display:flex;align-items:center;justify-content:space-between;margin-top:var(--space-2);gap:var(--space-2)}.composer-icons{display:flex;align-items:center;gap:2px}.composer-icon{width:32px;height:32px;border-radius:var(--radius-sm);border:none;background:transparent;color:var(--color-text-faint);display:grid;place-items:center;cursor:pointer}.composer-icon:hover{background:var(--slate-100);color:var(--color-text)}.composer-icon.active{color:var(--lru-green-600);background:var(--lru-green-50)}.composer-send{display:flex;align-items:center;gap:var(--space-2)}.chip{display:inline-flex;align-items:center;gap:6px;font-size:var(--text-xs);padding:5px 10px;border-radius:var(--radius-pill);border:1px solid var(--color-border);background:#fff;cursor:pointer}.chip.active{background:var(--lru-green-50);border-color:var(--lru-green-500);color:var(--lru-green-600)}.chat-disclaimer{max-width:860px;margin:var(--space-2) auto 0;text-align:center;font-size:var(--text-xs);color:var(--color-text-faint)}.msg__bubble .md{white-space:normal}.md>:first-child{margin-top:0}.md>:last-child{margin-bottom:0}.md p{margin:0 0 .7em}.md h1,.md h2,.md h3,.md h4{margin:1em 0 .5em;line-height:1.3;color:var(--color-text-strong)}.md h1{font-size:1.3em}.md h2{font-size:1.18em}.md h3{font-size:1.08em}.md h4{font-size:1em}.md ul,.md ol{margin:0 0 .7em;padding-left:1.5em}.md li{margin:.2em 0}.md li>p{margin:0}.md blockquote{margin:0 0 .7em;padding:4px 12px;border-left:3px solid var(--lru-blue-500);background:var(--lru-blue-50);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--color-text)}.md hr{border:none;border-top:1px solid var(--color-border);margin:1em 0}.md a{color:var(--lru-blue-600);text-decoration:underline}.md table{border-collapse:collapse;margin:0 0 .7em;font-size:var(--text-sm);display:block;max-width:100%;overflow-x:auto}.md th,.md td{border:1px solid var(--color-border-strong);padding:6px 10px;text-align:left}.md th{background:var(--slate-50);font-weight:var(--fw-semibold);color:var(--color-text-strong)}.md code:not(pre code){background:var(--slate-100);border:1px solid var(--color-border);border-radius:4px;padding:1px 5px;font-size:.88em;font-family:var(--font-mono, ui-monospace, monospace);color:var(--lru-pink-600, #db2777)}.md img{max-width:100%;border-radius:var(--radius-md)}.codeblock{margin:0 0 .7em;border-radius:var(--radius-md);overflow:hidden;border:1px solid #1f2937}.codeblock__head{display:flex;align-items:center;justify-content:space-between;background:#1f2937;color:#9ca3af;padding:4px 6px 4px 12px;font-size:var(--text-xs)}.codeblock__lang{font-family:var(--font-mono, ui-monospace, monospace);text-transform:lowercase}.codeblock__copy{display:inline-flex;align-items:center;gap:5px;border:none;background:transparent;color:#9ca3af;font-size:var(--text-xs);padding:4px 8px;border-radius:var(--radius-xs);cursor:pointer}.codeblock__copy:hover{background:#374151;color:#e5e7eb}.codeblock pre{margin:0;padding:12px 14px;overflow-x:auto;background:#0d1117;font-size:.85em;line-height:1.55}.codeblock pre code{background:transparent;padding:0;border:none;font-family:var(--font-mono, ui-monospace, monospace)}.msg__thinking{margin:0 0 .7em;border:1px dashed var(--color-border-strong);border-radius:var(--radius-md);background:var(--slate-50);font-size:var(--text-sm)}.msg__thinking summary{cursor:pointer;padding:6px 12px;color:var(--color-text-muted);font-weight:var(--fw-medium);-webkit-user-select:none;user-select:none}.msg__thinking[open] summary{border-bottom:1px dashed var(--color-border)}.msg__thinking pre{margin:0;padding:8px 12px;max-height:180px;overflow-y:auto;white-space:pre-wrap;word-break:break-word;color:var(--color-text-muted);font-family:inherit;font-size:var(--text-xs);line-height:1.5}.msg__caret{display:inline-block;width:8px;height:1em;vertical-align:-2px;background:var(--lru-blue-500);border-radius:2px;margin-left:2px;animation:caret-blink .9s steps(2) infinite}@keyframes caret-blink{0%{opacity:1}50%{opacity:0}to{opacity:1}}.msg--user .msg__footer{justify-content:flex-end}.msg-edit{width:100%}.msg-edit textarea{width:100%;min-width:320px;border:1px solid var(--color-border-strong);border-radius:var(--radius-md);padding:var(--space-2) var(--space-3);font:inherit;font-size:var(--text-md);resize:vertical;min-height:64px}.msg-edit__actions{display:flex;gap:var(--space-2);justify-content:flex-end;margin-top:var(--space-2)}.chat-list__search{position:relative;margin-top:var(--space-2)}.chat-list__search input{width:100%;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:7px 10px 7px 30px;font-size:var(--text-sm);background:var(--color-surface-2)}.chat-list__search input:focus{outline:none;border-color:var(--color-primary);background:#fff}.chat-list__search svg{position:absolute;left:9px;top:50%;transform:translateY(-50%);color:var(--color-text-faint)}.conv__rename{position:absolute;top:8px;right:32px;display:grid;place-items:center;width:26px;height:26px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--color-text-faint);cursor:pointer;opacity:0;transition:opacity var(--transition)}.conv:hover .conv__rename,.conv.active .conv__rename{opacity:1}.conv__rename:hover{background:var(--slate-200);color:var(--color-text)}.conv__title-input{width:100%;border:1px solid var(--color-primary);border-radius:var(--radius-xs);font-size:var(--text-sm);font-weight:var(--fw-medium);padding:2px 6px}.titlebar-rename{flex:1;min-width:0}.titlebar-rename input{width:100%;border:1px solid var(--color-primary);border-radius:var(--radius-sm);font-size:var(--text-md);font-weight:var(--fw-semibold);padding:4px 10px}.chat-controls{padding:var(--space-3);width:300px;cursor:default}.chat-controls label{display:block;font-size:var(--text-xs);font-weight:var(--fw-semibold);color:var(--color-text-muted);margin-bottom:4px}.chat-controls textarea{width:100%;border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);padding:6px 8px;font:inherit;font-size:var(--text-sm);resize:vertical;min-height:64px}.chat-controls__row{display:flex;align-items:center;gap:var(--space-2);margin-top:var(--space-3)}.chat-controls__row input[type=range]{flex:1}.chat-controls__val{font-family:var(--font-num);font-size:var(--text-sm);min-width:34px;text-align:right}@media(max-width:760px){.chat-shell{grid-template-columns:64px 1fr}.chat-list{display:none}}@media(max-width:520px){.chat-shell{grid-template-columns:1fr}.chat-rail{display:none}.chat-toolbar{gap:var(--space-3)}}