pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}/*!
  Theme: GitHub
  Description: Light theme as seen on github.com
  Author: github.com
  Maintainer: @Hirse
  Updated: 2021-05-15

  Outdated base version: https://github.com/primer/github-syntax-light
  Current colors taken from GitHub's CSS
*/.hljs{color:#24292e;background:#fff}.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#d73a49}.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#6f42c1}.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-variable,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id{color:#005cc5}.hljs-regexp,.hljs-string,.hljs-meta .hljs-string{color:#032f62}.hljs-built_in,.hljs-symbol{color:#e36209}.hljs-comment,.hljs-code,.hljs-formula{color:#6a737d}.hljs-name,.hljs-quote,.hljs-selector-tag,.hljs-selector-pseudo{color:#22863a}.hljs-subst{color:#24292e}.hljs-section{color:#005cc5;font-weight:700}.hljs-bullet{color:#735c0f}.hljs-emphasis{color:#24292e;font-style:italic}.hljs-strong{color:#24292e;font-weight:700}.hljs-addition{color:#22863a;background-color:#f0fff4}.hljs-deletion{color:#b31d28;background-color:#ffeef0}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}html,body{overflow:hidden}.app{display:grid;grid-template-columns:240px 1fr;grid-template-rows:minmax(0,1fr);height:100dvh;font-family:system-ui,-apple-system,Segoe UI,sans-serif}.splitter{cursor:col-resize;background:#eee;transition:background .12s}.splitter:hover{background:#cfd3dc}.nav{background:#1e1e2a;color:#ddd;display:flex;flex-direction:column;min-height:0;overflow:hidden}.nav-title{display:flex;align-items:center;gap:8px;font-weight:700;padding:16px;font-size:18px}.nav-mark{width:22px;height:22px;flex:none;transition:opacity .12s ease}.nav-collapse-toggle{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;margin-left:auto;padding:0;border:none;border-radius:6px;background:transparent;color:#b8b8c8;cursor:pointer}.nav-collapse-toggle:hover{background:#2c2c3c;color:#fff}.nav-collapse-toggle:focus-visible,.nav-item:focus-visible,.nav-me:focus-visible{outline:2px solid #a8b7ff;outline-offset:2px}.nav-primary{flex:0 0 auto;padding:8px 8px 0}.nav-goals{flex:1 1 auto;min-height:0;padding:0 8px 8px;overflow-x:hidden;overflow-y:auto;scrollbar-width:thin;scrollbar-color:rgb(255 255 255 / .3) transparent}.nav-goals::-webkit-scrollbar{width:6px}.nav-goals::-webkit-scrollbar-track{background:transparent}.nav-goals::-webkit-scrollbar-thumb{border-radius:999px;background:#ffffff4d}.nav-goals::-webkit-scrollbar-thumb:hover{background:#ffffff7a}.nav-item{display:flex;align-items:center;padding:8px 12px;border-radius:6px;color:inherit;font-size:13px;text-decoration:none;cursor:pointer}.nav-item:hover{background:#2c2c3c}.nav-item.active{background:#3a3a52}.nav-item-icon{flex:none;width:16px;margin-right:10px;display:flex;align-items:center;justify-content:center}.nav-item-icon svg{color:#9a9ab0}.nav-item.active .nav-item-icon svg{color:#ddd}.nav-item-icon .goal-nav-icon{display:block;width:16px;height:16px}.nav-goal-title{min-width:0;overflow-wrap:anywhere}.nav-primary-divider{margin:8px 4px;border-top:2px solid rgba(255,255,255,.16)}.nav-goal+.nav-goal{border-top:1px solid rgba(255,255,255,.08)}@media(min-width:769px){.app.nav-collapsed{grid-template-columns:64px 1fr}.app.nav-collapsed .nav-title{position:relative;justify-content:flex-start;gap:0;padding:14px 16px}.app.nav-collapsed .nav-brand-text,.app.nav-collapsed .nav-goal-title,.app.nav-collapsed .nav-me-name,.app.nav-collapsed .nav-usage-num{display:none}.app.nav-collapsed .nav-collapse-toggle{position:absolute;left:13px;margin-left:0;opacity:0;transform:none;transition:opacity .12s ease}.app.nav-collapsed .nav-title:has(.nav-collapse-toggle:hover) .nav-mark,.app.nav-collapsed .nav-title:has(.nav-collapse-toggle:focus-visible) .nav-mark{opacity:0}.app.nav-collapsed .nav-title:has(.nav-collapse-toggle:hover) .nav-collapse-toggle,.app.nav-collapsed .nav-title:has(.nav-collapse-toggle:focus-visible) .nav-collapse-toggle{opacity:1}.app.nav-collapsed .nav-primary{padding:8px 6px 0}.app.nav-collapsed .nav-goals{padding:0 6px 8px}.app.nav-collapsed .nav-item{justify-content:flex-start;min-height:40px;padding:8px 14px}.app.nav-collapsed .nav-item-icon{margin-right:0}.app.nav-collapsed .nav-primary-divider{margin:8px 0}.app.nav-collapsed .nav-account{justify-content:flex-start;gap:0;padding:8px}.app.nav-collapsed .nav-me{flex:none;padding:6px 8px}.app.nav-collapsed .nav-usage{display:none}}.conversation{display:flex;flex-direction:column;height:100dvh;min-width:0}.chat-session{flex:1;min-height:0;display:flex;flex-direction:column}.teaching-strategy{display:flex;align-items:center;gap:10px;padding:10px clamp(16px,8%,160px);border-bottom:1px solid #e3e3e7;background:#fff;font-size:13px}.teaching-strategy-label{color:#55555f;white-space:nowrap}.teaching-strategy-options{display:flex;flex-wrap:wrap;gap:4px}.teaching-strategy-options button{border:1px solid #d5d5db;border-radius:999px;padding:4px 9px;background:#fff;color:#4b4b55;cursor:pointer;font:inherit}.teaching-strategy-options button:hover:not(:disabled){background:#f3f5ff;border-color:#b9c6f2}.teaching-strategy-options button.selected{border-color:#5d72c9;background:#eef1ff;color:#304baf}.teaching-strategy-options button:disabled{cursor:default;opacity:.62}.teaching-strategy-hint{color:#777783}.teaching-strategy-error{color:#b42318}.chat-wrap{flex:1;display:flex;flex-direction:column;min-height:0;position:relative}.messages{flex:1;overflow:auto;font-size:13px;padding:24px clamp(16px,8%,160px);display:flex;flex-direction:column;gap:16px}.scroll-bottom-btn{position:absolute;left:50%;bottom:12px;transform:translate(-50%);width:36px;height:36px;border-radius:50%;border:1px solid #d5d5db;background:#fff;color:#555;box-shadow:0 2px 10px #00000024;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:5}.scroll-bottom-btn:hover{background:#f2f2f4;color:#222}.empty{color:#999}.spinner{display:inline-block;width:16px;height:16px;border:2px solid #d7d7dc;border-top-color:#6b6b73;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.msg{white-space:pre-wrap;line-height:1.6;max-width:100%}.user-message-row{align-self:flex-end;display:flex;flex-direction:column;align-items:flex-end;max-width:100%}.msg.user{align-self:auto;background:#f4f4f5;border:1px solid #e1e1e4;padding:10px 14px;border-radius:12px}.msg-user-content{white-space:pre-wrap}.user-message-row .msg-footer-row{justify-content:flex-end;margin-top:0}.user-message-row .msg-actions{visibility:hidden;margin-left:0}.user-message-row:hover .msg-actions,.user-message-row:focus-within .msg-actions{visibility:visible}.msg-files{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.msg-file{display:inline-flex;align-items:center;gap:6px;max-width:240px;padding:5px 10px;border:1px solid #cfd8ea;background:#fff;border-radius:8px;cursor:pointer;font-size:13px;color:#2b4b8f}.msg-file:hover{background:#f3f7ff}.msg-file span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.msg-file svg{flex:none}.msg.assistant{align-self:stretch}.activity-block{width:100%;margin:0 0 10px;border-left:2px solid #d8d8de;color:#6f6f78}.activity-toggle,.thinking-toggle{display:flex;align-items:center;gap:6px;width:100%;padding:4px 8px;border:none;background:transparent;color:inherit;cursor:pointer;font:inherit;font-size:13px;text-align:left}.activity-toggle:hover,.thinking-toggle:hover{color:#3f3f46;background:#f7f7f8}.thinking-toggle:disabled{cursor:default}.thinking-toggle:disabled:hover{color:inherit;background:transparent}.thinking-chevron{display:inline-block;font-size:18px;line-height:1;vertical-align:middle;transition:transform .15s ease}.thinking-chevron.expanded{transform:rotate(90deg)}.activity-count,.thinking-count{color:#aaaab2;font-size:12px}.thinking-pulse{width:6px;height:6px;border-radius:50%;background:#6b8bff;animation:thinking-pulse 1.2s ease-in-out infinite}@keyframes thinking-pulse{50%{opacity:.3;transform:scale(.75)}}.activity-content{display:flex;flex-direction:column;gap:2px;margin:2px 8px 8px 18px;font-size:13px;line-height:1.55;color:#66666f}.thinking-item{width:100%}.thinking-item .thinking-toggle{padding:2px 6px}.thinking-expand-symbol{flex:none;width:1em;color:#8b8b94;font-size:15px;line-height:1;text-align:center;vertical-align:middle}.thinking-content{max-height:7.75em;margin:2px 6px 6px 24px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;line-height:1.55;color:#66666f}.tool-activity-item{padding:2px 6px;overflow-wrap:anywhere}.tool-activity-item.active{color:#3f3f46}.composer{border-top:1px solid #eee;padding:10px clamp(16px,8%,160px) 14px;padding-bottom:max(14px,env(safe-area-inset-bottom));position:relative}.composer-drag-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;pointer-events:none;background:#14141c47;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.composer.composer-drag-active{z-index:51;background:#fff}.composer-box{position:relative;display:flex;align-items:flex-end;gap:6px;min-height:46px;padding:5px;border:1px solid #d5d5db;border-radius:24px;background:#fff;transition:min-height .18s ease}.composer-box.composer-box-drag-active{min-height:124px}.composer-box-drag-active>:not(.composer-drop-status){visibility:hidden}.composer-drop-status{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:#444;font-size:16px;font-weight:600}.composer-box:focus-within{border-color:#b5b5bd;box-shadow:0 1px 8px #0000000f}.composer-plus-wrap{position:relative;flex:none}.composer-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;padding:0;border:none;background:none;color:#555;border-radius:50%;cursor:pointer}.composer-icon-btn:hover{background:#f0f0f2;color:#222}.composer-icon-btn:disabled{opacity:.5;cursor:default}.composer-icon-btn.mic-on{background:#ffe3e3;color:#e0335f}.composer textarea{flex:1;resize:none;border:none;outline:none;margin:0;padding:7px 4px;background:transparent;font-family:inherit;font-size:13px;line-height:22px}.composer-actions{display:flex;align-items:center;gap:4px;flex:none}.composer-send{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;padding:0;border:none;border-radius:50%;background:#111;color:#fff;cursor:pointer}.composer-send:hover{background:#333}.composer-stop span{display:block;width:12px;height:12px;border-radius:2px;background:currentColor}.composer-send:disabled{opacity:.4;cursor:default}.voice-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;background:#2d2d32eb;display:flex;flex-direction:column;align-items:center;padding:100px 20px calc(104px + env(safe-area-inset-bottom))}.voice-bubble-wrap{flex:1;width:100%;display:flex;align-items:flex-start}.voice-bubble{position:relative;width:72%;min-height:56px;padding:14px 18px;background:#dce8ff;border-radius:18px 18px 18px 4px;font-size:17px;line-height:1.6;color:#111;word-break:break-all;white-space:pre-wrap}.voice-bubble:after{content:"";position:absolute;bottom:-9px;left:16px;border:5px solid transparent;border-top-color:#dce8ff;border-bottom:none}.voice-bubble.voice-bubble-hint{color:#aaa;background:#ffffff1a}.voice-bubble.voice-bubble-hint:after{border-top-color:#ffffff1a}.voice-hint-text{margin:0;padding:20px 0 16px;font-size:14px;color:#ffffff8c}.voice-confirm-actions{display:flex;justify-content:center;gap:44px;padding:24px 0 0}.voice-action-btn{display:flex;flex-direction:column;align-items:center;gap:6px;padding:0;border:none;background:none;color:#fffc;font:inherit;font-size:13px;cursor:pointer}.voice-action-btn:disabled{opacity:.35;cursor:default}.voice-action-icon{width:46px;height:46px;border-radius:50%;background:#ffffff29;display:flex;align-items:center;justify-content:center;font-size:20px;line-height:1;transition:background .12s}.voice-action-btn:hover .voice-action-icon{background:#ffffff42}.voice-action-send .voice-action-icon{background:#ffffffeb;color:#111}.voice-action-send:hover .voice-action-icon{background:#fff}.voice-overlay-passive{pointer-events:none}.composer.composer-above-voice{z-index:41;background:#fff}@keyframes voice-pulse{0%,to{box-shadow:0 0 #e0335f47}50%{box-shadow:0 0 0 8px #e0335f00}}.voice-hold-btn{flex:1;align-self:stretch;min-height:36px;display:flex;align-items:center;justify-content:center;padding:0;border:none;border-radius:19px;background:#f2f3f5;color:#555;font:inherit;font-size:15px;cursor:pointer;touch-action:none;user-select:none;-webkit-user-select:none;transition:background .12s,color .12s}.voice-hold-btn:hover{background:#e9eaec}.voice-hold-btn.recording{background:#ffe8ee;color:#e0335f;animation:voice-pulse 1.4s ease-in-out infinite}.voice-hold-btn.swipe-cancel{background:#ffdcdc;color:#c00}.plus-menu{position:absolute;bottom:calc(100% + 8px);left:0;display:flex;flex-direction:column;gap:2px;min-width:180px;padding:6px;background:#fff;border:1px solid #e3e3e6;border-radius:10px;box-shadow:0 6px 20px #0000001f;z-index:10}.plus-item{display:flex;align-items:center;gap:10px;width:100%;padding:6px 10px;border:none;background:none;border-radius:7px;cursor:pointer;font:inherit;font-size:14px;color:#333;text-align:left}.plus-item:hover{background:#f2f2f4}.plus-item svg{color:#666;flex:none}.artifacts{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.chip{display:inline-flex;align-items:center;gap:6px;background:#eef1f8;border-radius:14px;padding:3px 10px;font-size:13px}.chip button{border:none;background:none;cursor:pointer;color:#888;padding:0}.slash-menu{position:absolute;bottom:100%;left:16px;right:16px;background:#fff;border:1px solid #ddd;border-radius:8px;box-shadow:0 4px 16px #0000001f;margin-bottom:6px;overflow:hidden}.slash-item{display:flex;gap:10px;align-items:center;padding:8px 12px;cursor:pointer}.slash-item.active{background:#eef1f8}.slash-item code{color:#4a6cf7}.slash-desc{color:#888;font-size:13px}.composer-help{background:#f6f8fa;border-radius:8px;padding:8px 30px 8px 12px;font-size:13px;margin-bottom:8px;position:relative}.composer-help code{color:#4a6cf7}.help-close{position:absolute;top:6px;right:8px;border:none;background:none;cursor:pointer;color:#888}.app-loading{height:100dvh;display:flex;align-items:center;justify-content:center;color:#999;font-size:24px}.login{height:100dvh;display:flex;align-items:center;justify-content:center;background:#1e1e2a}.login-card{display:flex;flex-direction:column;gap:10px;width:300px;padding:32px;background:#fff;border-radius:12px}.login-card h1{margin:0;text-align:center}.login-sub{margin:0 0 12px;text-align:center;color:#999;font-size:13px}.login-card input{padding:10px;border:1px solid #ccc;border-radius:8px;font-size:16px}.login-card button{padding:10px;border:none;background:#4a6cf7;color:#fff;border-radius:8px;cursor:pointer}.login-msg{color:#c00;font-size:13px;text-align:center}.login-google{background:#fff!important;color:#333!important;border:1px solid #ccc!important;font-weight:500}.login-divider{display:flex;align-items:center;gap:8px;color:#aaa;font-size:12px;margin:4px 0}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:#e0e0e0}.nav-account{flex:0 0 auto;margin-top:auto;display:flex;align-items:center;gap:6px;padding:8px;padding-bottom:max(8px,env(safe-area-inset-bottom));border-top:1px solid #2e2e3e}.nav-me{flex:1;min-width:0;display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:6px;color:#ccc;text-decoration:none}.nav-me:hover,.nav-me.active{background:#2c2c3c;color:#fff}.nav-avatar{flex:none;display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:#3f3f58;color:#dcdce8;font-size:12px;font-weight:650}.nav-me-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.msg.assistant{white-space:normal}.markdown{line-height:1.7}.markdown>*:first-child{margin-top:0}.markdown>*:last-child{margin-bottom:0}.markdown p{white-space:pre-line;margin:.6em 0}.markdown h1,.markdown h2,.markdown h3{margin:.8em 0 .4em;line-height:1.3}.markdown h1{font-size:20px}.markdown h2{font-size:17px}.markdown h3{font-size:15px}.markdown pre{background:#f6f8fa;padding:12px 14px;border-radius:8px;overflow-x:auto;margin:.6em 0}.markdown code{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:.9em}.markdown :not(pre)>code{background:#f0f0f4;padding:2px 5px;border-radius:4px}.markdown pre code,.markdown pre code.hljs{background:transparent;padding:0}.markdown table{border-collapse:collapse;margin:0;font-size:.92em;line-height:1.5}.markdown th,.markdown td{padding:8px 14px;text-align:left;vertical-align:top;border-bottom:1px solid #ececef;border-right:1px solid #ececef}.markdown th:last-child,.markdown td:last-child{border-right:none}.markdown tbody tr:last-child td{border-bottom:none}.markdown thead th{background:#f7f7f8;font-weight:600;color:#2b2b2f;border-bottom:1px solid #e3e3e6;white-space:nowrap}.markdown blockquote{border-left:3px solid #ddd;margin:.6em 0;padding:0 0 0 12px;color:#666}.markdown ul,.markdown ol{padding-left:1.4em;margin:.6em 0}.markdown a{color:#4a6cf7}.md-img{max-width:100%;border-radius:8px}.code-block,.table-block{position:relative}.table-wrap{display:flex;align-items:flex-start;gap:6px;width:max-content;max-width:100%;margin:.8em 0}.table-block{flex:0 1 auto;min-width:0;overflow-x:auto;border:1px solid #e3e3e6;border-radius:8px}.table-copy{flex:none;margin-top:2px;display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;padding:0;line-height:1;border:1px solid #d0d3d9;background:#fff;color:#555;border-radius:6px;cursor:pointer;opacity:0;transition:opacity .12s}.table-wrap:hover .table-copy,.table-copy:focus-visible{opacity:1}.table-copy:hover{background:#f3f4f6;color:#222}.block-copy{position:absolute;top:6px;right:6px;z-index:1;display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;padding:0;line-height:1;border:1px solid #d0d3d9;background:#ffffffeb;color:#555;border-radius:6px;cursor:pointer;opacity:0;transition:opacity .12s}.code-block:hover .block-copy,.table-block:hover .block-copy,.block-copy:focus-visible{opacity:1}.block-copy:hover{background:#fff;color:#222}.msg-footer-row{margin-top:8px;display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-start;gap:4px 4px}.msg-actions{display:flex;gap:2px;align-items:center}.msg-btn{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;padding:0;border:none;background:none;color:#8a8a90;border-radius:7px;cursor:pointer}.msg-btn:hover{background:#f0f0f2;color:#333}.msg-btn:disabled{opacity:.4;cursor:default}.msg-usage-footer{display:flex;flex-wrap:wrap;gap:2px 12px;font-size:12px;color:#b0b0b6}.frontmatter-block{margin:.8em 0;border:1px solid #e3e3e6;border-radius:8px;overflow:hidden;background:#fafafb}.frontmatter-label{cursor:pointer;list-style:none;padding:5px 12px;font-size:12px;font-weight:500;color:#8a8a90;background:#f7f7f8;-webkit-user-select:none;user-select:none}.frontmatter-label::-webkit-details-marker{display:none}.frontmatter-label:before{content:"▸ "}.frontmatter-block[open]>.frontmatter-label:before{content:"▾ "}.frontmatter-block[open]>.frontmatter-label{border-bottom:1px solid #ececef}.frontmatter-src{margin:0;padding:10px 12px;background:transparent;color:#666;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:.85em;line-height:1.5;overflow-x:auto;white-space:pre}.mermaid-block{margin:.8em 0;border:1px solid #e3e3e6;border-radius:8px;overflow:hidden}.mermaid-bar{display:flex;align-items:center;justify-content:space-between;padding:5px 8px 5px 12px;background:#f7f7f8;border-bottom:1px solid #ececef;font-size:13px;color:#555}.mermaid-label{display:inline-flex;align-items:center;gap:6px;font-weight:500}.mermaid-actions{display:inline-flex;gap:2px}.mermaid-btn{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:26px;border:none;background:none;cursor:pointer;color:#666;font-size:13px;padding:4px 7px;border-radius:6px;line-height:1}.mermaid-btn:hover{background:#e6e6ea;color:#222}.mermaid-body{padding:16px;overflow-x:auto}.mermaid-diagram{display:flex;justify-content:center;margin:0}.mermaid-src{margin:0;background:transparent;color:#333;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:.85em;line-height:1.5;overflow-x:auto;white-space:pre}.canvas{display:flex;flex-direction:column;height:100dvh;min-width:0;border-left:1px solid #eee;background:#fbfbfc}.canvas-header{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 12px 12px 20px;border-bottom:1px solid #eee;font-size:13px;font-weight:600}.canvas-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.canvas-artifact-selector{position:relative;min-width:0;flex:1}.canvas-artifact-trigger,.canvas-artifact-option{display:flex;align-items:center;gap:7px;border:0;background:transparent;color:inherit;font:inherit;text-align:left}.canvas-artifact-trigger{width:100%;min-width:0;padding:5px 6px;border-radius:6px;cursor:pointer}.canvas-artifact-trigger:hover,.canvas-artifact-trigger[aria-expanded=true]{background:#f0f0f2}.canvas-artifact-trigger>svg:last-child{flex:none;margin-left:auto;color:#888}.canvas-artifact-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.canvas-artifact-icon{flex:none;width:16px;height:16px;color:#6b7280}.canvas-artifact-list{position:absolute;top:calc(100% + 4px);left:0;z-index:20;display:flex;flex-direction:column;min-width:min(320px,calc(100vw - 32px));max-width:min(420px,calc(100vw - 32px));max-height:min(360px,calc(100dvh - 80px));padding:4px;overflow-y:auto;background:#fff;border:1px solid #e2e2e6;border-radius:8px;box-shadow:0 6px 20px #0000001a}.canvas-artifact-option{width:100%;padding:7px 8px;border-radius:5px;cursor:pointer}.canvas-artifact-option:hover,.canvas-artifact-option:focus-visible,.canvas-artifact-option[aria-selected=true]{background:#eef1ff;outline:none}.canvas-artifact-option span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.canvas-visibility-toggle{display:grid;width:32px;height:32px;flex:none;place-items:center;border:none;border-radius:7px;background:transparent;color:#aaa;cursor:pointer}.canvas-visibility-toggle-has-artifact{color:#444}.canvas-visibility-toggle:hover{background:#f0f0f2;color:#777}.canvas-visibility-toggle-has-artifact:hover{color:#222}.canvas-visibility-toggle-hidden{margin-right:-12px}.canvas-body{flex:1;overflow:auto;padding:20px;font-size:13px}.canvas-status{color:#999;display:flex;flex-direction:column;gap:10px;align-items:flex-start}.canvas-err{color:#c00}.canvas-header-actions{display:flex;align-items:center;gap:6px}.canvas-download{border:none;background:none;padding:0;color:#4a6cf7;cursor:pointer;font:inherit}.canvas-download:disabled{cursor:default;opacity:.6}.canvas-download-menu{position:relative;display:flex;align-items:center;overflow:visible}.canvas-download-icon,.canvas-download-arrow{display:grid;width:30px;height:30px;place-items:center;border:1px solid transparent;border-radius:6px;background:transparent;color:#555;cursor:pointer}.canvas-download-arrow{width:22px}.canvas-download-icon:hover:not(:disabled),.canvas-download-arrow:hover:not(:disabled),.canvas-download-arrow[aria-expanded=true]{border-color:#d5d5db;background:#eef1ff;color:#243fba}.canvas-download-icon:disabled,.canvas-download-arrow:disabled{cursor:default;opacity:.6}.canvas-download-list{position:absolute;top:calc(100% + 4px);right:0;z-index:20;display:flex;min-width:160px;flex-direction:column;padding:4px;background:#fff;border:1px solid #e2e2e6;border-radius:8px;box-shadow:0 6px 20px #0000001a}.canvas-download-list button{padding:7px 8px;border:0;border-radius:5px;background:transparent;color:#333;font:inherit;font-size:13px;text-align:left;white-space:nowrap;cursor:pointer}.canvas-download-list button:hover:not(:disabled),.canvas-download-list button:focus-visible{background:#eef1ff;outline:none}.canvas-download-list button:disabled{color:#aaa;cursor:default}.canvas-download-error{padding:8px 20px;border-bottom:1px solid #f2d6d6;color:#c00;font-size:13px}.canvas-img{max-width:100%;border-radius:8px}.canvas-frame{width:100%;height:100%;min-height:70vh;border:none;background:#fff}.canvas-pre{margin:0;white-space:pre-wrap;word-break:break-word;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:1em;line-height:1.6;color:#333}.canvas-link{color:#4a6cf7;cursor:pointer}.main-top{display:flex;align-items:center;gap:8px;padding:12px 24px;border-bottom:1px solid #eee;container-type:inline-size}.main-top-spacer{flex:1}.model-preset-selector{position:relative;display:inline-block;align-self:flex-start}.model-preset-trigger.model-preset-trigger{display:flex;align-items:center;gap:6px;padding:4px 8px;border:1px solid #d5d5db;border-radius:6px;background:#fff;color:#555;font-size:12px;white-space:nowrap;cursor:pointer}.model-preset-trigger.model-preset-trigger:hover{border-color:#b5b5bf;color:#222}.main-top .model-preset-trigger.model-preset-trigger{border-color:transparent;background:transparent}.main-top .model-preset-trigger.model-preset-trigger:hover,.main-top .model-preset-trigger.model-preset-trigger:focus-visible,.main-top .model-preset-trigger.model-preset-trigger[aria-expanded=true]{border-color:transparent;background:#f0f0f2;color:#222;outline:none}.model-preset-trigger.model-preset-trigger:disabled{opacity:.6;cursor:default}.model-preset-trigger svg{flex:none;color:#999}.main-top .model-preset-trigger svg{color:#555}.main-top .model-preset-trigger:hover svg,.main-top .model-preset-trigger:focus-visible svg,.main-top .model-preset-trigger[aria-expanded=true] svg{color:#222}.main-top .model-preset-trigger.model-preset-trigger-compact svg{color:#444}.main-top .model-preset-trigger.model-preset-trigger-compact:hover svg,.main-top .model-preset-trigger.model-preset-trigger-compact:focus-visible svg,.main-top .model-preset-trigger.model-preset-trigger-compact[aria-expanded=true] svg{color:#222}.main-top .model-preset-trigger.model-preset-trigger:disabled{opacity:1;color:#333}.model-preset-list{position:absolute;top:calc(100% + 4px);z-index:20;min-width:200px;display:flex;flex-direction:column;padding:4px;background:#fff;border:1px solid #e2e2e6;border-radius:10px;box-shadow:0 6px 20px #0000001a}.model-preset-list-right{right:0}.model-preset-list-left{left:0}.model-preset-option.model-preset-option{display:flex;align-items:center;width:100%;padding:7px 10px;border:0;border-radius:6px;background:none;color:#333;font:inherit;font-size:13px;text-align:left;cursor:pointer}.model-preset-option.model-preset-option:hover{background:#f2f2f4}.model-preset-option.model-preset-option[aria-selected=true]{background:#eef2ff;color:#3550c8}.model-preset-option-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.model-preset-option-rate{flex:none;margin-left:auto;padding-left:12px;color:#999;font-variant-numeric:tabular-nums}.model-preset-option[aria-selected=true] .model-preset-option-rate{color:#3550c8}.nav-toggle{display:none;flex:none;align-items:center;justify-content:center;width:32px;height:32px;padding:0;border:1px solid #d5d5db;border-radius:8px;background:#fff;color:#555;cursor:pointer}.nav-toggle:hover{background:#f2f2f4;color:#222}.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;font-size:14px;min-width:0}.crumb-seg{display:inline-flex;align-items:center}.crumb-sep{display:inline-flex;align-items:center;color:#bbb;margin:0 6px}.crumb{display:inline-flex;align-items:center;border:none;background:none;color:#4a6cf7;cursor:pointer;padding:2px 4px;border-radius:5px;font-size:14px;line-height:1}.crumb:hover{background:#f0f3ff}.crumb.current{color:#222;font-weight:600}.crumb:disabled{cursor:default}.crumb-goal-text{max-width:8em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media(min-width:769px){.crumb-goal-text{max-width:min(28em,30cqw)}.breadcrumb:has(.crumb-seg:nth-child(4)) .crumb-goal-text{max-width:min(20em,24cqw)}.breadcrumb:has(.crumb-seg:nth-child(5)) .crumb-goal-text{max-width:min(12em,13cqw)}}.overview-scroll{flex:1;overflow:auto}.goal-home{padding:24px clamp(16px,8%,160px);display:flex;flex-direction:column;gap:28px}.gh-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.gh-title{margin:0;font-size:24px;flex:1;min-width:0}.gh-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.gh-timeline{margin:-20px 0 0;color:#666;font-size:13px}.gh-chat-btn{border:1px solid #111;background:#111;color:#fff;padding:8px 16px;border-radius:20px;cursor:pointer;font-size:14px}.gh-chat-btn:hover{background:#333}.gh-chat-btn.ghost{background:#fff;color:#333;border-color:#d5d5db}.gh-chat-btn.ghost:hover{background:#f2f2f4}.gh-chat-btn.ghost.gh-return-learn{border-color:#4a6cf7}.gh-chat-btn.create{background:#eef2ff;border-color:#c9d4ff;color:#3550c8}.gh-chat-btn.create:hover{background:#e2e9ff;border-color:#b3c3ff}.intro-msg .intro-text{line-height:1.7}.agent-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.agent-action{border:1px solid #4a6cf7;background:#4a6cf7;color:#fff;padding:7px 14px;border-radius:16px;cursor:pointer;font-size:14px}.agent-action:hover{background:#3a5ae0;border-color:#3a5ae0}.gh-section>.gh-meta,.gh-section-body>.gh-meta{margin-top:0}.status-active{background:#e3f0ff;color:#2b6cd0}.status-achieved{background:#e2f6e8;color:#1c9e52}.status-paused{background:#fdf0dc;color:#b7791f}.status-deprecated,.status-archived{background:#f0f0f0;color:#999}.progress{position:relative;height:18px;background:#eef0f4;border-radius:9px;overflow:hidden;margin-top:14px}.progress-fill{height:100%;background:linear-gradient(90deg,#4a6cf7,#6b8bff);transition:width .3s}.progress-label{position:absolute;right:8px;top:0;line-height:18px;font-size:11px;color:#444}.gh-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin-top:16px}.gh-meta>div{display:flex;flex-direction:column;gap:3px}.gh-meta-k{font-size:12px;color:#999}.gh-meta-v{font-size:14px;color:#333}.topic-chip{font-size:12px;padding:3px 9px;border-radius:12px;border:1px solid #e0e0e0}.mastery-unlearned{background:#f4f4f6;color:#999}.mastery-leap{background:#fff4e0;color:#b7791f}.mastery-learned{background:#e3f0ff;color:#2b6cd0}.mastery-consolidated{background:#e2f6e8;color:#1c9e52}.gh-section-toggle{display:flex;align-items:center;gap:7px;font:inherit;color:inherit;border:0;background:none;padding:2px 6px;margin:-2px -6px;border-radius:6px;cursor:pointer}.gh-section-toggle:hover{color:#222}.gh-section-toggle:focus-visible{outline:2px solid #4a6cf7;outline-offset:1px}.gh-section-chevron{display:inline-block;font-size:24px;line-height:1;color:#7b7b88;transition:transform .15s ease}.gh-section-chevron.expanded{transform:rotate(90deg)}.gh-section-toggle:hover .gh-section-chevron{color:#4a6cf7}.gh-section-title{margin:0;font-size:17px;font-weight:650;color:#25252b}.gh-loading{color:#aaa;font-size:14px}.gallery-page{padding:24px clamp(16px,6%,96px);display:flex;flex-direction:column;gap:20px}.gallery-state{color:#777;align-items:flex-start}.gallery-header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.gallery-lead{margin:8px 0 0;color:#666;font-size:14px}.gallery-count{flex:none;color:#888;font-size:13px;padding-top:7px}.gallery-layout{display:grid;grid-template-columns:156px minmax(0,1fr);align-items:start;gap:20px}.gallery-categories{position:sticky;top:16px;display:flex;flex-direction:column;gap:3px}.gallery-category{border:0;border-radius:7px;padding:8px 10px;background:transparent;color:#666;text-align:left;font:inherit;font-size:13px;cursor:pointer}.gallery-category:hover{background:#f1f2f5;color:#222}.gallery-category.active{background:#e9edff;color:#304cc6;font-weight:600}.gallery-category:focus-visible,.gallery-adopt:focus-visible{outline:2px solid #4a6cf7;outline-offset:2px}.gallery-results{min-width:0}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:12px}.gallery-card{min-width:0;min-height:284px;border:1px solid #e6e6ea;border-radius:10px;background:#fff;display:flex;flex-direction:column;overflow:hidden;transition:border-color .15s,box-shadow .15s}.gallery-card-main{flex:1;min-width:0;padding:15px;display:flex;flex-direction:column;gap:10px;color:inherit;text-decoration:none;cursor:pointer}.gallery-card-main:focus-visible,.gallery-adopt:focus-visible{outline:2px solid #4a6cf7;outline-offset:-2px}.gallery-card:hover{border-color:#b9c4ff;box-shadow:0 2px 10px #4a6cf714}.gallery-card-title-row{display:flex;align-items:baseline;gap:8px}.gallery-card-title{min-width:0;margin:0;font-size:16px;line-height:1.35}.gallery-card-gid{flex:none;color:#aaa;font-size:10px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.gallery-card-summary{display:-webkit-box;overflow:hidden;margin:6px 0 0;color:#555;font-size:13px;line-height:1.55;-webkit-box-orient:vertical;line-clamp:2;-webkit-line-clamp:2}.gallery-card-tags{display:flex;flex-wrap:wrap;gap:5px}.gallery-chip{border-radius:999px;padding:3px 7px;background:#f1f1f4;color:#666;font-size:11px;line-height:1.25}.gallery-chip.category{background:#eef2ff;color:#4058c4}.gallery-chip.difficulty{background:#f4f4f1;color:#666}.gallery-card-audience{display:-webkit-box;overflow:hidden;margin:0;color:#777;font-size:12px;line-height:1.5;-webkit-box-orient:vertical;line-clamp:2;-webkit-line-clamp:2}.gallery-card-outcomes{margin-top:auto;color:#444;font-size:12px}.gallery-card-label{margin-bottom:4px;color:#999;font-size:11px}.gallery-card-outcomes ul{overflow:hidden;margin:0;padding-left:17px;line-height:1.55}.gallery-card-outcomes li{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.gallery-adopt{width:auto;margin:0 15px 15px;border:1px solid #c9d4ff;border-radius:7px;padding:7px 10px;background:#eef2ff;color:#3550c8;font:inherit;font-size:13px;cursor:pointer}.gallery-adopt:hover{border-color:#9eafff;background:#e3eaff}.gallery-empty{margin:0;padding:24px;border:1px dashed #d8d8df;border-radius:8px;color:#888;text-align:center}.gh-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.gh-card{position:relative;border:1px solid #e6e6ea;border-radius:10px;background:#fff;display:flex}.gh-card:hover{border-color:#b9c4ff;box-shadow:0 2px 10px #4a6cf714}.gh-card-main{flex:1;min-width:0;text-align:left;font:inherit;color:inherit;border:0;background:none;border-radius:10px;padding:14px;cursor:pointer;display:flex;flex-direction:column;gap:8px}.gh-card-archive{position:absolute;top:5px;right:5px;width:22px;height:22px;display:flex;align-items:center;justify-content:center;border:0;border-radius:6px;background:none;color:#c2c2ca;font-size:17px;line-height:1;cursor:pointer;transition:color .15s,background .15s}.gh-card-archive:hover{color:#c0392b;background:#fdecea}.gh-card-archive:focus-visible{outline:2px solid #4a6cf7;outline-offset:1px}.gh-card.is-next{border-color:#4a6cf7}.gh-card.is-blocked{opacity:.7}.gh-card-head{display:flex;align-items:center;gap:8px;padding-right:20px}.gh-card-icon{flex:none;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:#f1f4ff;color:#4a6cf7}.gh-card-icon-image{display:block;width:28px;height:28px}.gh-card-title{font-weight:600;flex:1;min-width:0}.gh-card-meta{display:flex;align-items:center;flex-wrap:wrap;gap:6px 10px;font-size:12px;color:#999}.gh-next-block{display:flex;flex-direction:column;gap:12px}.gh-next{display:flex;flex-direction:column;gap:14px}.gh-next-summary{margin:0;color:#444;line-height:1.7}.gh-next-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}.gh-next-session-actions{margin-top:0}.chip-row{display:flex;flex-wrap:wrap;gap:6px}.opt-chip,.mastered-chip,.unmastered-chip{font-size:13px;padding:3px 10px;border-radius:12px}.opt-chip{background:#eef3ff;color:#2b6cd0;border:1px solid #d6e2ff}.mastered-chip{background:#e2f6e8;color:#1c9e52}.unmastered-chip{background:#f4f4f6;color:#888}.confirm-dialog{border:0;border-radius:12px;padding:22px 24px 18px;width:min(420px,calc(100vw - 32px));color:#333;box-shadow:0 12px 40px #0000002e}.confirm-dialog.account-delete-dialog{width:min(480px,calc(100vw - 32px))}.confirm-title{margin:0;font-size:16px;font-weight:600}.confirm-desc{margin:10px 0 0;font-size:14px;line-height:1.65;color:#666}.confirm-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.confirm-btn{font:inherit;font-size:14px;padding:7px 16px;border-radius:8px;border:1px solid #dcdce2;background:#fff;color:#444;cursor:pointer}.confirm-btn:hover:not(:disabled){background:#f6f6f8}.confirm-btn:focus-visible{outline:2px solid #4a6cf7;outline-offset:1px}.confirm-btn.primary{border-color:#4a6cf7;background:#4a6cf7;color:#fff}.confirm-btn.primary:hover:not(:disabled){background:#3c5cdf}.confirm-btn.danger{border-color:#c0392b;background:#c0392b;color:#fff}.confirm-btn.danger:hover:not(:disabled){background:#a93226}.confirm-btn:disabled{opacity:.6;cursor:default}.gh-section,.gh-section-body{display:flex;flex-direction:column;gap:12px}.gh-box{border:1px solid #dfe4f5;border-radius:10px;background:#fafbff;padding:14px 16px}.gh-box.warn{border-color:#f0d9b5;background:#fffaf3}.gh-box>p{margin:8px 0 0;color:#4a4a52;line-height:1.65}.gh-box>p:first-child{margin-top:0}.gh-box-head{display:flex;align-items:baseline;gap:8px}.gh-box-title{margin:0;font-size:15px;font-weight:650;color:#25252b}.gh-box-count{font-size:12px;color:#8a8a94}.gh-activity-head{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px}.gh-activity-head strong{color:#294fc4}.gh-activity-head code{padding:2px 7px;border-radius:5px;background:#edf1ff;color:#3a4c89}.gh-activity-details{display:grid;gap:9px;margin-top:14px}.gh-activity-details>div{display:grid;grid-template-columns:minmax(88px,120px) 1fr;gap:10px;align-items:start;line-height:1.5}.account-settings{flex:1;min-width:0;width:100%;padding:28px 24px;overflow:auto}.account-settings>*{max-width:100%;margin-left:auto;margin-right:auto}.account-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:32px}.account-heading h1{margin:0;font-size:24px}.account-heading-actions{flex:none;display:flex;gap:8px}.account-section{margin-bottom:36px}.account-section-header{padding-bottom:12px;border-bottom:1px solid #d8dee4}.account-section-header h2{margin:0;font-size:20px}.account-item-list{display:flex;flex-direction:column}.account-item{display:flex;flex-direction:column;gap:10px;align-items:flex-start;padding:20px 0;border-bottom:1px solid #d8dee4}.account-item-copy h3{margin:0;font-size:16px}.account-heading p,.account-item-copy p{color:#666;line-height:1.55}.account-item-copy p:last-child{margin-bottom:0}.account-item-action{display:flex;flex-direction:column;align-items:flex-start;min-width:0}.account-nickname{display:flex;width:min(100%,480px);gap:8px}.account-nickname input{flex:1;min-width:0;font:inherit;font-size:14px;padding:8px 10px;border:1px solid #e2e2e6;border-radius:8px}.account-item button,.account-secondary{padding:8px 14px;border:1px solid #4a6cf7;border-radius:8px;background:#4a6cf7;color:#fff;cursor:pointer}.account-item button:disabled{cursor:default;opacity:.6}.account-secondary{border-color:#d5d5db;background:#fff;color:#444}.account-item .account-toggle{margin:0}.account-danger-zone{margin-top:20px;padding:18px;border:1px solid #edc9c5;border-radius:8px;background:#fff8f7}.account-item-list>.account-danger-zone{border-bottom:1px solid #edc9c5}.account-item .account-danger{border-color:#c0392b;background:#c0392b}.account-status,.account-error{margin:10px 0 0;font-size:13px}.account-error{color:#b42318}.account-confirm-fields{display:grid;gap:10px;margin-top:14px}.account-confirm-fields label{display:grid;gap:5px;color:#444;font-size:13px}.account-confirm-fields input{width:100%;padding:9px 10px;border:1px solid #ccc;border-radius:7px;font:inherit}.account-emphasis{color:#333!important}.account-consequences{margin:0;padding-left:20px;color:#444;font-size:13px;line-height:1.75}.account-phrase{display:grid;gap:6px;margin:4px 0 0;color:#444;font-size:13px}.account-phrase code{display:block;margin-left:12px;padding:5px 7px;border-radius:5px;background:#f4f4f7;font-size:13px;line-height:1.5;overflow-wrap:anywhere;-webkit-user-select:all;user-select:all}.account-hint{margin:2px 0 0;color:#777;font-size:12px;line-height:1.5}.site{height:100vh;overflow:auto;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:#222}.site-top{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;padding:18px 32px;border-bottom:1px solid #eee;background:#fff}.site-brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px}.site-mark{width:22px;height:22px;flex:none}.site-nav{display:flex;align-items:center;gap:16px}.site-nav a{color:#444;text-decoration:none}.site-cta{background:#1e1e2a;color:#fff!important;border-radius:8px;padding:8px 16px}.locale-selector{position:relative;display:inline-flex}.locale-trigger{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:none;background:none;cursor:pointer;color:#666;border-radius:6px}.locale-trigger:hover{background:#f0f0f2;color:#222}.locale-list{position:absolute;top:100%;right:0;margin-top:4px;background:#fff;border:1px solid #e3e3e6;border-radius:8px;box-shadow:0 4px 12px #0000001a;min-width:120px;padding:4px;z-index:100}.locale-option{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;padding:8px 10px;border:none;background:none;cursor:pointer;font-size:13px;color:#333;border-radius:6px;text-align:left}.locale-option:hover{background:#f5f5f7}.locale-option[aria-selected=true]{background:#f0f7ff}.locale-check{flex:none;color:#4a6cf7}.site-hero{max-width:720px;margin:0 auto;padding:96px 24px;display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center}.site-hero h1{margin:0;font-size:34px;line-height:1.35}.site-hero-lead{display:block}.site-hero p{margin:0;color:#555;font-size:16px;line-height:1.7}.site-cta-lg{padding:12px 26px;font-size:16px;text-decoration:none}.site-section{position:relative;max-width:900px;margin:0 auto;padding:22px 24px 72px}.site-section:before{content:"";position:absolute;top:0;left:50%;width:100vw;margin-left:-50vw;height:1px;background:linear-gradient(to right,transparent,#2b5f9e 20%,#1f6b4f 50%,#5d3f8c 80%,transparent);opacity:.45}.site-section h2{margin:0 0 6px;font-size:24px}.site-section>p{color:#555;line-height:1.7}.site-points{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:18px}.site-point{padding:20px;border:1px solid #e9e9ee;border-radius:10px}.site-point h3{margin:0 0 8px;font-size:18px}.site-point-quote{margin:0 0 10px;color:#444;font-size:14px;font-style:italic;line-height:1.6}.site-point-body{margin:0;color:#555;font-size:14px;line-height:1.7}.site-compare-scroll{margin-top:18px;overflow-x:auto}.site-compare{width:100%;min-width:640px;border-collapse:collapse;font-size:13px}.site-compare th,.site-compare td{padding:12px 14px;border-bottom:1px solid #eee;text-align:left;vertical-align:top;line-height:1.6}.site-compare thead th{color:#888;font-weight:500;border-bottom:1px solid #ddd}.site-compare tbody th{color:#333;font-weight:600;white-space:nowrap}.site-compare td{color:#555}.site-compare-ailos{color:#1e1e2a;font-weight:600}.site-tabs{margin-top:18px}.site-tablist-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.site-tablist{display:contents}.site-kind-knowledge{--kind-ink: #2b5f9e;--kind-tint: #eef4fb;--kind-edge: #cfe0f2}.site-kind-capability{--kind-ink: #1f6b4f;--kind-tint: #eaf5f0;--kind-edge: #c7e3d7}.site-kind-professional{--kind-ink: #5d3f8c;--kind-tint: #f2eefa;--kind-edge: #ddd2f0}.site-tab{padding:7px 14px;border:1px solid var(--kind-edge);border-radius:999px;background:var(--kind-tint);color:var(--kind-ink);font-size:13px;cursor:pointer}.site-tab:hover{border-color:var(--kind-ink)}.site-tab.active{border-color:var(--kind-ink);background:var(--kind-ink);color:#fff}.site-examples-lead{line-height:2.1!important}.site-chip{display:inline-block;padding:2px 9px;border:1px solid var(--kind-edge);border-radius:999px;background:var(--kind-tint);color:var(--kind-ink);font-size:13px;white-space:nowrap}.site-panel-kind{margin:0 0 10px}.site-panel{margin-top:14px;padding:22px;border:1px solid #e9e9ee;border-radius:10px}.site-panel-goal{margin:0 0 14px;font-size:19px;font-weight:600;line-height:1.5}.site-panel-detail{display:grid;grid-template-columns:auto 1fr;gap:10px 18px;margin:0}.site-panel-detail dt{color:#888;font-size:13px;line-height:1.7;white-space:nowrap}.site-panel-detail dd{margin:0;color:#444;font-size:14px;line-height:1.7}.site-autoplay{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;margin-left:2px;padding:0;border:0;border-radius:50%;background:none;color:#c9c9d3;cursor:pointer}.site-autoplay:hover{color:#666}.site-autoplay svg{fill:currentColor}.site-faq{margin:18px 0 0}.site-faq-item{padding:16px 0;border-bottom:1px solid #eee}.site-faq-item:first-child{border-top:1px solid #eee}.site-faq dt{margin-bottom:6px;font-size:15px;font-weight:600}.site-faq dd{margin:0;color:#555;font-size:14px;line-height:1.75}.site-contact{margin:12px 0 0;padding-left:20px;color:#555;line-height:1.9}.site-foot{display:flex;align-items:center;justify-content:space-between;padding:22px 32px;border-top:1px solid #eee;color:#888;font-size:13px}.site-totop{position:fixed;right:28px;bottom:28px;z-index:5;display:flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;border:1px solid #e0e0e8;border-radius:50%;background:#fff;color:#777;cursor:pointer;box-shadow:0 2px 10px #1e1e2a1f}.site-totop:hover{border-color:#c8c8d4;color:#1e1e2a}.login-links{display:flex;flex-wrap:wrap;gap:6px 14px;justify-content:center;margin-top:12px;font-size:13px}.login-links a{flex:0 0 auto;color:#4a5568;white-space:nowrap}.nav-usage{flex:none;position:relative;display:flex;align-items:center;gap:5px;padding:6px 8px;border:0;border-radius:6px;background:none;color:#9a9aa8;font:inherit;font-size:12px;cursor:pointer}.nav-usage:hover{background:#2c2c3c;color:#fff}.nav-usage-num{font-variant-numeric:tabular-nums}.nav-usage.has-notice{color:#f0b1a8}.gh-home-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.gh-home-actions{display:flex;align-items:center;gap:8px}.menu{position:relative}.menu-trigger{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid #d5d5db;border-radius:8px;background:#fff;color:#555;font-size:16px;line-height:1;cursor:pointer}.menu-trigger:hover{background:#f2f2f4;color:#222}.menu-items{position:absolute;top:calc(100% + 4px);right:0;z-index:20;min-width:160px;display:flex;flex-direction:column;padding:4px;background:#fff;border:1px solid #e2e2e6;border-radius:10px;box-shadow:0 6px 20px #0000001a}.menu-item{display:flex;align-items:center;gap:8px;width:100%;padding:7px 8px;border:0;border-radius:6px;background:none;color:#333;font:inherit;font-size:14px;text-align:left;cursor:pointer}.menu-item:hover{background:#f2f2f4}.menu-check{flex:none;width:12px;color:#4a6cf7}.gh-empty{display:flex;flex-direction:column;align-items:flex-start;gap:14px;padding-top:48px}.gh-empty h1{margin:0;font-size:26px}.gh-empty p{margin:0;color:#555;max-width:44em;line-height:1.6}.gh-empty-entry-list{display:flex;flex-direction:column;gap:10px;width:100%}.gh-empty-entry{border:1px solid #dfe3ed;background:#fff;border-radius:12px;padding:12px 14px;display:flex;flex-direction:column;align-items:flex-start;gap:4px;cursor:pointer;text-align:left}.gh-empty-entry.primary{background:#eef2ff;border-color:#c9d4ff}.gh-empty-entry:hover{background:#f7f9fd}.gh-empty-entry.primary:hover{background:#e4ebff}.gh-empty-entry-title{color:#111;font-size:15px;font-weight:600}.gh-empty-entry.primary .gh-empty-entry-title{color:#3650c9}.gh-empty-entry-desc{color:#656c7e;font-size:13px;line-height:1.5}.gh-inline-link{background:none;border:0;padding:0 2px;color:#2f6fb3;cursor:pointer;font:inherit}.gh-card-reorder{display:flex;flex-direction:column;gap:2px;padding:6px 4px}.gh-card-move{border:1px solid #e2e2e6;background:#fff;border-radius:4px;width:24px;cursor:pointer;color:#555}.gh-card-move:disabled{color:#ccc;cursor:default}.gh-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column}.gh-list>li{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-top:1px solid #e8ecf7}.gh-list>li:first-child{padding-top:0;border-top:none}.gh-list>li:last-child{padding-bottom:0}.gh-list-index{flex:none;width:22px;height:22px;margin-top:2px;border-radius:50%;background:#e7ecfb;color:#4a6cf7;font-size:12px;font-weight:650;line-height:22px;text-align:center}.gh-list-body{flex:1;min-width:0;display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;line-height:1.65;color:#2f2f37}.gh-list-body>.gh-list-line{flex-basis:100%;margin:0}.gh-visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.gh-error{margin:0;color:#c0392b;font-size:13px}.gh-evidence-link{background:none;border:0;padding:0;color:#2f6fb3;cursor:pointer;font:inherit;font-size:13px}.gh-evidence-link:hover{text-decoration:underline}.gh-blocker-criterion{flex-basis:100%;font-weight:600}.gh-blocker-line{color:#555;display:flex;gap:8px;flex-wrap:wrap}.credit-banner{padding:8px 24px;border-bottom:1px solid #f0dca8;background:#fff8e6;color:#6b5320;font-size:13px;text-align:center}.credit-toast{align-self:center;margin:0 16px 8px;padding:8px 16px;border-radius:8px;background:#fff8e6;border:1px solid #f0dca8;color:#6b5320;font-size:13px;text-align:center}.msg-date-sep{display:flex;align-items:center;justify-content:center;color:#999;font-size:12px}.msg-date-sep span{background:#f2f2f4;border-radius:999px;padding:2px 12px}.usage-dialog{border:0;border-radius:12px;padding:22px 24px 18px;color:#333;box-shadow:0 12px 40px #0000002e;font-family:system-ui,-apple-system,Segoe UI,sans-serif}.usage-dialog::backdrop{background:#14141c6b}.usage-dialog h2{margin:0 0 8px;font-size:17px}.usage-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.usage-actions button{border:1px solid #e2e2e6;background:#fff;border-radius:8px;padding:7px 14px;cursor:pointer;font:inherit;font-size:13px}.usage-actions .usage-secondary{border-color:#4a6cf7;color:#4a6cf7}.plans-tiers{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}.plan-card{display:flex;flex-direction:column;gap:8px;padding:20px;border:1px solid #e2e2e6;border-radius:10px}.plan-card h2{margin:0;font-size:18px}.plan-quota{margin:0;color:#666}.plan-price{margin:0;font-size:15px;font-weight:600}.plan-card button,.plan-topup-item button{margin-top:8px;padding:8px 14px;border:1px solid #d5d5db;border-radius:8px;background:#f5f5f7;color:#999;cursor:default}.plan-topup-list{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}.plan-topup-item{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid #eee}.plan-topup-name{min-width:0}.plan-topup-price{justify-self:center;text-align:center}.plan-topup-item button{justify-self:end}.plan-topup-item:last-child{border-bottom:0}.usage-dialog{width:min(380px,calc(100vw - 32px))}.usage-figures{display:grid;grid-template-columns:auto auto;justify-content:space-between;gap:6px 16px;margin:0;font-size:14px}.usage-figures dt{color:#666}.usage-figures dd{margin:0;text-align:right;font-variant-numeric:tabular-nums}.usage-note{margin:8px 0 0;color:#666;font-size:13px;line-height:1.6}.markdown-dialog{border:0;border-radius:12px;padding:20px 22px 18px;color:#333;box-shadow:0 12px 40px #0000002e;width:min(680px,calc(100vw - 32px));max-height:calc(100dvh - 64px);display:flex;flex-direction:column}.markdown-dialog::backdrop{background:#14141c6b}.markdown-dialog-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex:none}.markdown-dialog-head h2{margin:0;font-size:17px}.markdown-dialog-close{border:0;background:none;font-size:16px;color:#999;cursor:pointer;padding:2px 6px}.markdown-dialog-close:hover{color:#333}.markdown-dialog-body{margin-top:12px;overflow-y:auto}.markdown-dialog-status{margin:0;color:#999;font-size:14px}.gh-advanced-actions{display:flex;flex-wrap:wrap;gap:8px}.gh-assets-table-wrap{overflow-x:auto}.gh-assets-table{width:100%;border-collapse:collapse;font-size:14px}.gh-assets-table th{text-align:left;font-size:12px;color:#8a8a94;font-weight:600;padding:0 10px 8px 0;border-bottom:1px solid #e8ecf7}.gh-assets-table td{padding:8px 10px 8px 0;border-bottom:1px solid #e8ecf7;vertical-align:middle}.gh-assets-table tr:last-child td{border-bottom:0}.gh-assets-table-id{color:#8a8a94;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}.account-toggle{display:flex;align-items:center;gap:8px;margin:10px 0 0;font-size:14px;color:#333;cursor:pointer}.account-toggle input{width:16px;height:16px;cursor:pointer}.account-toggle+.account-secondary,.account-toggle+button{margin-top:10px}@media(min-width:769px)and (max-aspect-ratio:4 / 3){.messages,.composer,.goal-home{padding-inline:clamp(16px,4%,32px)}}@media(max-width:768px){.app{display:block;position:relative;height:100dvh;overflow:hidden}.nav-toggle{display:flex}.main-top{padding:10px 12px}.nav-collapse-toggle{display:none}.app.nav-collapsed .nav-brand-text,.app.nav-collapsed .nav-goal-title,.app.nav-collapsed .nav-me-name,.app.nav-collapsed .nav-usage-num{display:inline}.app.nav-collapsed .nav-item,.app.nav-collapsed .nav-account{justify-content:initial}.app.nav-collapsed .nav-item{padding:8px 12px}.app.nav-collapsed .nav-item-icon{margin-right:10px}.app.nav-collapsed .nav-me{flex:1;padding:6px 8px}.app.nav-collapsed .nav-usage{width:auto}.nav{position:fixed;top:0;left:0;z-index:30;width:min(280px,82vw);height:100dvh;transform:translate(-100%);transition:transform .2s ease;box-shadow:2px 0 16px #0003}.app.nav-open .nav{transform:translate(0)}.nav-scrim{position:fixed;top:0;right:0;bottom:0;left:0;z-index:25;background:#00000059}.conversation{height:100dvh}.canvas{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;height:100dvh;border-left:none}.splitter{display:none}.messages{padding:16px}.msg{max-width:100%}.composer{padding:8px 10px 10px;padding-bottom:max(10px,env(safe-area-inset-bottom))}.composer textarea{font-size:16px}.goal-home,.account-settings{padding:16px}.account-heading{flex-direction:column}.account-item{grid-template-columns:1fr;gap:12px;padding:16px 0}.account-item-action{width:100%}.account-danger-zone{padding:16px}.gh-home-head{flex-direction:column;align-items:stretch}.gh-home-actions .menu{margin-left:auto}.gallery-page{padding:16px}.gallery-header{gap:10px}.gallery-layout{display:block}.gallery-categories{position:static;flex-direction:row;overflow-x:auto;margin:-4px 0 14px;padding-bottom:3px}.gallery-category{flex:none;white-space:nowrap}.gallery-grid,.gh-cards{grid-template-columns:1fr}.gh-meta{grid-template-columns:repeat(auto-fit,minmax(100px,1fr))}.site-top{padding:14px 16px}.site-hero{padding:56px 16px}.site-hero h1{font-size:26px}.site-section{padding:18px 16px 48px}.site-points{grid-template-columns:1fr}.site-compare-scroll{overflow-x:visible}.site-compare{display:block;min-width:0}.site-compare thead{display:none}.site-compare tbody{display:block}.site-compare tr{display:block;margin-bottom:16px;padding:12px 14px;border:1px solid #e9e9ee;border-radius:10px}.site-compare tbody th,.site-compare td{display:block;padding:4px 0;border-bottom:none;white-space:normal}.site-compare tbody th{font-size:14px}.site-compare td:before{content:attr(data-label);display:block;margin-top:6px;color:#999;font-size:11px;font-weight:500}.site-panel{padding:16px}.site-foot{padding:18px 16px;flex-wrap:wrap;gap:8px}.site-totop{right:16px;bottom:16px}.login-card{width:min(320px,calc(100vw - 32px));padding:24px}.model-preset-trigger-label{max-width:4em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.crumb-goal-text{max-width:6em}}.main-top-controls{display:flex;align-items:flex-start;gap:6px}.learn-session-controls{position:relative;display:flex;align-items:flex-start;gap:6px}.learn-control{position:relative}.learn-control-trigger,.model-preset-trigger.model-preset-trigger-compact{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;border:1px solid transparent;border-radius:8px;background:transparent;color:#555;cursor:pointer}.learn-control-trigger:hover:not(:disabled),.learn-control-trigger:focus-visible,.learn-control-trigger[aria-expanded=true],.model-preset-trigger.model-preset-trigger-compact:hover:not(:disabled),.model-preset-trigger.model-preset-trigger-compact:focus-visible,.model-preset-trigger.model-preset-trigger-compact[aria-expanded=true]{border-color:transparent;background:#f0f0f2;color:#222;outline:none}.learn-control-trigger:disabled,.model-preset-trigger.model-preset-trigger-compact:disabled{cursor:default;opacity:.58}.model-preset-trigger.model-preset-trigger-compact:disabled{opacity:1}.learn-control-menu{position:absolute;top:calc(100% + 4px);right:0;z-index:20;min-width:156px;display:flex;flex-direction:column;padding:4px;background:#fff;border:1px solid #e2e2e6;border-radius:10px;box-shadow:0 6px 20px #0000001a}.learn-control-menu button{display:flex;align-items:center;gap:9px;width:100%;padding:7px 9px;border:0;border-radius:6px;background:transparent;color:#333;font:inherit;font-size:13px;text-align:left;cursor:pointer}.learn-control-menu button:hover,.learn-control-menu button[aria-selected=true]{background:#eef2ff;color:#3550c8}.learn-control-menu button svg{flex:none}.learn-control-error{position:absolute;top:calc(100% + 40px);right:0;z-index:20;width:max-content;max-width:min(280px,75vw);padding:6px 8px;border:1px solid #f0c7c2;border-radius:6px;background:#fff7f6;color:#b42318;font-size:12px}@media(max-width:768px){.main-top-controls,.learn-session-controls{gap:4px}}.gh-overall-state{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:16px;padding-top:14px;border-top:1px solid #e8ecf7}.gh-overall-state-label{color:#4a4a52;font-size:13px;font-weight:650}.gh-overall-state>p,.gh-overall-state>.gh-state-basis{flex-basis:100%;margin:0}.gh-detailed-progress{display:flex;flex-direction:column;gap:12px}.gh-progress-group+.gh-progress-group{padding-top:12px;border-top:1px solid #e8ecf7}.goal-home .gh-box{font-size:13px}.goal-home .gh-box .gh-box-title{font-size:13px;font-weight:400}.goal-home .gh-box .gh-chat-btn{font-size:13px}.gh-current-focus{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 8px;margin-top:2px;line-height:1.5}.gh-current-focus-label{color:#4a4a52;font-weight:650}.gh-current-focus-title{color:#25252b}.gh-progress-group>.gh-chat-btn{margin-top:10px}.gh-progress-group>.gh-learning-items-title{margin-top:12px}.gh-learning-points-header{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 8px;margin-bottom:10px;padding-bottom:8px;border-bottom:2px solid #dfe4f5}.goal-home .gh-learning-points-header .gh-box-title{font-weight:650}.gh-learning-points-summary{color:#666;font-size:13px;line-height:1.5}.gh-learning-points>li{gap:8px;padding:6px 0}.gh-learning-points .gh-list-body{font-size:13px;line-height:1.45}.gh-learning-points .topic-chip{font-size:12px}.gh-current-blocker>p{color:#73541e}.public-goal-page{width:100%;height:100dvh;padding:16px 0 24px;overflow-y:auto;overscroll-behavior-y:contain}.public-goal-content{width:min(760px,calc(100% - 32px));margin:0 auto}.public-goal-state{color:#666}.public-goal-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.public-goal-brand{color:#25252b;font-weight:700;letter-spacing:.06em;text-decoration:none}.public-goal-back{color:#526bd5;font-size:14px;text-decoration:none}.public-goal-back:hover{text-decoration:underline}.public-goal-card{padding:28px 36px;border:1px solid #e6e6ea;border-radius:14px;background:#fff;box-shadow:0 8px 28px #1e275c0f}.public-goal-adopt{align-self:center;width:auto;margin:0;transform:none;white-space:nowrap}.public-goal-category-row{display:flex;align-items:center;justify-content:space-between;gap:16px}.public-goal-category-meta{display:flex;min-height:33px;align-items:center;flex-wrap:wrap;gap:6px}.public-goal-category-meta .gallery-chip{transform:translateY(6px)}.public-goal-card h1{margin:14px 0 8px;color:#25252b;font-size:clamp(26px,5vw,36px);line-height:1.25}.public-goal-summary{margin:0;color:#555;font-size:17px;line-height:1.6}.public-goal-card>.gallery-card-tags{margin-top:14px}.public-goal-section{margin-top:20px;padding-top:16px;border-top:1px solid #eeeef2}.public-goal-section h2{margin:0 0 8px;color:#333;font-size:16px}.public-goal-section p,.public-goal-section ul{margin:0;color:#555;line-height:1.6}.public-goal-section ul{padding-left:20px}@media(max-width:520px){.public-goal-page{padding:12px 0 20px}.public-goal-content{width:min(100% - 24px,760px)}.public-goal-header{margin-bottom:12px}.public-goal-card{padding:20px}.public-goal-category-row{flex-wrap:wrap;align-items:flex-start}.public-goal-adopt{margin:0}}