:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--app-shadow:0 4px 18px #1f27230d}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--app-shadow:0 4px 18px #00000024}.sr-only{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}*{box-sizing:border-box}html,body,#root,.ant-app{width:100%;min-width:0;height:100%;margin:0}body{color:var(--app-text);background:var(--app-bg);-webkit-font-smoothing:antialiased;font-family:Inter,Noto Sans SC,Microsoft YaHei,system-ui,sans-serif;font-size:15px}button,input,textarea{font:inherit}button{color:inherit;cursor:pointer}button:disabled{cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--app-focus);outline-offset:3px}.app-shell{background:var(--app-bg);width:100%;height:100dvh;min-height:380px;display:flex;overflow:hidden}.app-sidebar{z-index:2;background:var(--app-sidebar);border-right:1px solid #0000;flex-direction:column;flex:0 0 272px;width:272px;min-width:0;transition:flex-basis .18s,width .18s;display:flex;position:relative;overflow:hidden}.app-sidebar[hidden]{display:none}.sidebar-header{padding:18px 14px 12px}.sidebar-brand{letter-spacing:-.01em;white-space:nowrap;align-items:center;gap:10px;min-height:38px;padding:0 6px;font-size:14px;font-weight:650;display:flex}.brand-title{color:var(--app-text)}.sidebar-brand .brand-title{color:var(--app-text);letter-spacing:-.025em;font-size:1.125rem;font-weight:700;line-height:1.2}.brand-title-accent{color:var(--app-primary);font-weight:750}.sidebar-brand img,.sidebar-brand .brand-mark{flex:0 0 28px;width:28px;height:28px}.brand-mark{color:var(--app-primary);display:inline-flex}.brand-mark svg{width:100%;height:100%;display:block}.sidebar-new-chat,.drawer-new-chat{width:100%;min-height:42px;color:var(--app-text);background:var(--app-hover);border:0;border-radius:10px;justify-content:flex-start;align-items:center;gap:9px;margin-top:14px;padding:8px 12px;font-weight:600;transition:background .14s,transform .14s;display:flex}.sidebar-new-chat:hover,.drawer-new-chat:hover{background:var(--app-border)}.sidebar-new-chat:active,.drawer-new-chat:active{transform:translateY(1px)}.drawer-new-chat{margin:0 0 18px}.sidebar-history{scrollbar-width:thin;scrollbar-color:var(--app-border-strong) transparent;flex:1;min-height:0;overflow:hidden auto}.history-list{min-width:0;padding:8px 12px 20px}.history-list h2{color:var(--app-text-secondary);margin:8px 6px 12px;font-size:13px;font-weight:600}.history-list .ant-input-affix-wrapper{box-shadow:none;background:0 0;border-color:#0000}.history-list .ant-input-affix-wrapper:hover,.history-list .ant-input-affix-wrapper:focus-within,.history-list .ant-input-affix-wrapper .ant-input{background:0 0}.history-list h3{color:var(--app-text-secondary);margin:22px 8px 7px;font-size:13px;font-weight:500}.history-list ul{margin:0;padding:0;list-style:none}.history-list li+li>.history-row:first-child{margin-top:6px}.history-row{border-radius:9px;align-items:center;gap:2px;min-width:0;display:flex}.history-row:hover,.history-row:focus-within{background:var(--app-hover)}.history-row:has([aria-current=true]){background:0 0}.history-select{min-width:0;color:var(--app-text-secondary);text-align:left;text-overflow:ellipsis;white-space:nowrap;background:0 0;border:0;flex:1;padding:10px 9px;font-size:14px;font-weight:400;overflow:hidden}.history-row:hover .history-select,.history-row:focus-within .history-select,.history-select[aria-current=true]{color:var(--app-text)}.history-select[aria-current=true]{font-weight:500}.history-select mark{color:inherit;background:color-mix(in srgb, var(--app-primary) 20%, transparent)}.history-delete{width:28px;height:28px;color:var(--app-text-secondary);opacity:0;pointer-events:none;background:0 0;border:0;border-radius:7px;flex:0 0 28px;margin-right:6px;padding:0}.history-row:hover .history-delete,.history-row:focus-within .history-delete{opacity:1;pointer-events:auto}.history-delete:hover{color:var(--app-danger);background:var(--app-surface-muted)}.history-empty{color:var(--app-text-secondary);text-align:center;padding:52px 16px;font-size:13px}.history-empty img{opacity:.72;width:72px;margin:0 auto 12px;display:block}.sidebar-footer{border-top:1px solid #0000;justify-content:space-between;align-items:center;padding:5px 12px 7px;display:flex}.sidebar-controls,.topbar-controls{align-items:center;gap:2px;display:flex}.sidebar-controls .icon-button,.sidebar-collapse{justify-content:center;align-items:center;line-height:1}.icon-button{background:0 0;border:0;border-radius:9px;place-items:center;width:36px;min-width:36px;height:36px;padding:0;display:inline-grid}.icon-button:hover{background:var(--app-hover)}.interface-icon{width:18px;height:18px;display:block}.language-mark{letter-spacing:.01em;justify-content:center;align-items:center;width:22px;height:22px;font-size:13px;font-weight:650;line-height:1;display:inline-flex;transform:translateY(-.5px)}[data-collapsed=true] .app-sidebar{flex-basis:72px;width:72px}[data-collapsed=true] .sidebar-header{padding-inline:10px}[data-collapsed=true] .sidebar-brand{justify-content:center;padding:0}[data-collapsed=true] .sidebar-brand .brand-title,[data-collapsed=true] .sidebar-new-chat span:last-child,[data-collapsed=true] .sidebar-history{display:none}[data-collapsed=true] .sidebar-new-chat{justify-content:center;padding-inline:0}[data-collapsed=true] .sidebar-footer,[data-collapsed=true] .sidebar-controls{flex-direction:column}[data-collapsed=true] .sidebar-footer{gap:4px;margin-top:auto}.workspace{background:var(--app-bg);flex-direction:column;flex:1;min-width:0;display:flex}.topbar{background:color-mix(in srgb, var(--app-bg) 90%, transparent);border-bottom:1px solid var(--app-border);align-items:center;gap:8px;min-height:56px;padding:8px 16px;display:none}.topbar-brand{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:16px;font-weight:700;overflow:hidden}.topbar-brand .brand-title{line-height:1;display:inline-block;transform:translateY(-1px)}.chat-main,.chat-thread{flex-direction:column;flex:1;min-height:0;display:flex}.chat-messages{scrollbar-width:thin;scrollbar-color:var(--app-border-strong) transparent;flex:1;min-height:0;position:relative;overflow:hidden auto}.chat-messages[data-empty=true]{overflow-y:auto}.empty-state{flex-direction:column;justify-content:center;width:min(100%,848px);min-height:100%;margin:0 auto;padding:clamp(48px,11vh,112px) 24px 56px;display:flex}.welcome{text-align:center}.welcome-eyebrow{color:var(--app-primary);letter-spacing:.12em;text-transform:uppercase;margin:0 0 12px;font-size:12px;font-weight:700}.welcome h1{color:var(--app-text);letter-spacing:-.035em;margin:0;font-size:clamp(30px,4vw,38px);font-weight:520;line-height:1.2}.welcome-intro{max-width:520px;color:var(--app-text-secondary);margin:14px auto 0;line-height:1.65}.empty-composer{width:100%;margin-top:32px}.suggestions{justify-content:center;align-items:center;gap:8px;margin-top:18px;display:flex}.suggestion-heading{order:2;display:flex}.suggestion-buttons{flex-wrap:wrap;justify-content:center;gap:8px;min-width:0;display:flex}.suggestion-buttons button{background:var(--app-surface-muted)}.suggestion-buttons button,.suggestion-heading .placeholder-action{min-height:36px;color:var(--app-text-secondary);border:1px solid #0000;border-radius:999px;padding:7px 13px;font-size:12px;transition:color .14s,background .14s,border-color 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