:root{--surface:#fff;--sidebar:#f9f9f9;--surface-soft:#f4f4f4;--surface-raised:#f7f7f7;--composer-surface:#fff;--text:#0d0d0d;--muted:#6b6b6b;--border:#e5e5e5;--border-strong:#d1d1d1;--sidebar-divider:#ececec;--coin:#d66f4e;--coin-hover:#c65f40;--coin-soft:#f7e2da;--coin-outline:#382c27;--coin-metal:#8a807a;--coin-metal-edge:#c4bbb5;--coin-slot:#211b18;--danger:#b24436;--danger-soft:#fbe9e6;--success:#43845b;--shadow:0 18px 52px #00000029;--blossom-filter:none}@media (prefers-color-scheme:dark){:root{--surface:#212121;--sidebar:#171717;--surface-soft:#2f2f2f;--surface-raised:#2f2f2f;--composer-surface:#303030;--text:#ececec;--muted:#a3a3a3;--border:#3d3d3d;--border-strong:#555;--sidebar-divider:#2c2c2c;--coin:#df7f60;--coin-hover:#e58a6d;--coin-soft:#56372d;--coin-outline:#f0e3dc;--coin-metal:#6f6762;--coin-metal-edge:#9c928c;--coin-slot:#15110f;--danger:#ef9588;--danger-soft:#492925;--success:#83b995;--shadow:0 20px 60px #00000075;--blossom-filter:invert(1)}}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{color:var(--text);background:var(--surface);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,Arial,sans-serif}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}button:focus-visible,input:focus-visible,textarea:focus-visible,a:focus-visible{outline:2px solid var(--text);outline-offset:2px}.machine-stage{background:var(--surface);min-height:100dvh;overflow:hidden}.chatgpt-shell{background:var(--surface);grid-template-columns:260px minmax(0,1fr);width:100%;min-width:0;height:100dvh;min-height:0;display:grid;overflow:hidden}.chat-sidebar{border-right:1px solid var(--sidebar-divider);background:var(--sidebar);flex-direction:column;min-width:0;min-height:0;padding:4px 8px 0;display:flex;overflow:hidden}.sidebar-taskbar{flex-direction:column;min-height:292px;display:flex}.sidebar-brand{border-radius:12px;flex:0 0 48px;grid-template-columns:32px minmax(0,1fr) 32px;align-items:center;gap:10px;width:100%;min-height:48px;margin-bottom:8px;padding:6px 8px;display:grid}.sidebar-brand-mark{place-items:center;width:32px;height:32px;display:grid}.sidebar-brand-mark img{width:32px;height:32px;filter:var(--blossom-filter)}.sidebar-brand>strong{letter-spacing:-.015em;text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:18px;font-weight:600;overflow:hidden}.sidebar-brand>button{cursor:pointer;background:0 0;border:0;border-radius:8px;place-items:center;width:32px;height:32px;padding:0;display:inline-grid}.sidebar-brand>button:hover{background:var(--surface-soft)}.sidebar-brand>button:active{transform:translateY(1px)}.sidebar-action{text-align:left;background:0 0;border:0;border-radius:10px;flex:0 0 36px;grid-template-columns:24px minmax(0,1fr) 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var(--coin-outline);transform:translate(-1px,-1px)}button.sidebar-coin:active{box-shadow:1px 1px 0 var(--coin-outline);transform:translate(2px,2px)}.coin-acceptor{border:2px solid var(--coin-outline);background:linear-gradient(145deg, var(--coin-metal-edge), var(--coin-metal));border-radius:10px;justify-content:space-evenly;align-items:center;width:40px;height:40px;display:flex;box-shadow:inset 0 1px #ffffff61,inset 0 -1px 2px #00000059}.coin-acceptor-disc{background:radial-gradient(circle at 34% 28%, #f7c7ad, var(--coin) 58%, #a84c32);color:#5f2b20;border:1px solid #713a2a;border-radius:50%;place-items:center;width:22px;height:22px;display:grid;box-shadow:inset 0 1px 1px #ffffff7a,0 1px 1px #0000004d}.coin-acceptor-slot{background:var(--coin-slot);border-radius:999px;width:3px;height:22px;box-shadow:inset 1px 0 2px #000c,1px 0 #ffffff2e}.sidebar-action-copy{flex-direction:column;justify-content:center;min-width:0;display:flex}.sidebar-action strong{text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:400;overflow:hidden}.sidebar-action-copy small{color:#fffaf7c2;font-size:9px;line-height:1.2}.sidebar-login .sidebar-action-copy{flex-direction:row;align-items:center;display:flex}.sidebar-coin strong{color:#fffaf7;font-weight:800}.sidebar-action>b{color:var(--muted);white-space:nowrap;font-size:11px;font-weight:500}.sidebar-coin>b{color:#fffaf7e6;font-weight:800}.sidebar-login.is-authenticated{cursor:default}.sidebar-reference-spacer{pointer-events:none;flex:1;min-height:0}.sidebar-history-head{min-height:34px;color:var(--muted);align-items:center;padding:0 7px;font-size:14px;font-weight:600;display:flex}.sidebar-account button,.sidebar-toggle,.icon-button{cursor:pointer;background:0 0;border:0;place-items:center;display:inline-grid}.sidebar-account button:hover,.sidebar-toggle:hover,.icon-button:hover{background:var(--surface-soft)}.sidebar-history{scrollbar-width:thin;scrollbar-color:var(--border-strong) 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8px;display:grid}.account-avatar{background:var(--text);color:var(--surface);font-size:12px}.sidebar-account>span:nth-child(2){flex-direction:column;min-width:0;display:flex}.sidebar-account strong{text-overflow:ellipsis;white-space:nowrap;font-size:10px;overflow:hidden}.sidebar-account small{color:var(--muted);font-size:9px}.sidebar-account button{width:30px;height:30px;color:var(--muted);border-radius:8px}.sidebar-scrim{display:none}.chatgpt-main{background:var(--surface);flex-direction:column;min-width:0;min-height:0;display:flex}.chatgpt-header{flex:0 0 56px;align-items:center;min-height:56px;padding:0 18px;display:flex}.main-header-left{align-items:center;gap:7px;min-width:0;display:flex}.sidebar-toggle{border-radius:10px;width:38px;height:38px;display:none}.model-switch{letter-spacing:-.025em;border-radius:10px;align-items:center;min-height:38px;padding:0 10px;font-size:16px;font-weight:600;display:none}.billing-notice{border:1px solid 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button:hover{background:var(--surface-soft);color:var(--text)}.chat-canvas{flex:1;min-width:0;min-height:0;display:flex}.chat-panel{flex-direction:column;flex:1;min-width:0;min-height:0;display:flex;overflow:hidden}.chat-scroll{scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent;flex:1;min-height:0;padding:clamp(28px,5vh,64px) clamp(24px,5vw,72px) 28px;overflow-y:auto}.empty-chat{text-align:center;flex-direction:column;justify-content:center;align-items:center;width:min(768px,100%);min-height:100%;margin:0 auto;display:flex;transform:translateY(-4vh)}.empty-chat h1,.empty-chat h2{letter-spacing:-.04em;margin:0;font-size:clamp(26px,2.5vw,32px);font-weight:600;line-height:1.2}.empty-chat p{max-width:470px;color:var(--muted);margin:12px 0 0;font-size:13px;line-height:1.65}.guest-landing{justify-content:center;align-items:center;padding:0 20px}.guest-center{flex-direction:column;align-items:center;gap:28px;width:100%;min-width:0;display:flex;transform:translateY(-7vh)}.guest-center .empty-chat{width:100%;min-height:0;transform:none}.guest-landing .empty-chat h1{letter-spacing:-.025em;font-size:24px;font-weight:400;line-height:1.2}.conversation-view{flex-direction:column;gap:34px;width:min(768px,100%);margin:0 auto;display:flex}.turn-block{flex-direction:column;gap:26px;display:flex}.turn-block+.turn-block{padding-top:8px}.message{line-height:1.7;position:relative}.message-label{color:var(--muted);align-items:center;gap:6px;margin-bottom:8px;font-size:11px;font-weight:700;display:inline-flex}.user-message{background:var(--surface-raised);border-radius:18px;align-self:flex-end;width:min(76%,620px);padding:12px 16px}.user-message .message-label{margin-bottom:5px}.user-message p{white-space:pre-wrap;margin:0}.ai-message{width:100%;padding:2px 0}.markdown{overflow-wrap:anywhere;font-size:14px;line-height:1.78}.markdown>:first-child{margin-top:0}.markdown>:last-child{margin-bottom:0}.markdown pre{color:#f1f1ee;background:#292a28;border-radius:12px;padding:15px;overflow-x:auto}.markdown code:not(pre code){background:var(--surface-soft);border-radius:5px;padding:2px 5px}.markdown a{color:var(--text);text-underline-offset:3px;font-weight:700}.markdown table{border-collapse:collapse;width:100%}.markdown th,.markdown td{border-bottom:1px solid var(--border);text-align:left;padding:9px 8px}.answer-state,.failed-card{border-left:3px solid var(--border-strong);background:var(--surface-soft);border-radius:11px;align-items:flex-start;gap:13px;width:100%;padding:14px 16px;display:flex}.answer-state strong,.failed-card strong{font-size:13px}.answer-state p,.failed-card p{color:var(--muted);margin:4px 0 0;font-size:11px;line-height:1.6}.failed-card{border-left-color:var(--danger);background:var(--danger-soft)}.composer{background:linear-gradient(to top, var(--surface) 78%, color-mix(in srgb, var(--surface) 0%, transparent));flex:none;padding:10px 20px 9px}.composer-row{border:1px solid var(--border);background:var(--surface-raised);border-radius:26px;flex-direction:column;gap:5px;width:min(768px,100%);min-height:104px;margin:0 auto;padding:13px 14px 10px;display:flex;box-shadow:0 2px 8px #0d0d0d0f}.composer textarea{resize:none;width:100%;min-height:48px;max-height:180px;color:var(--text);background:0 0;border:0;outline:none;padding:4px 2px;line-height:1.5}.composer textarea::placeholder{color:var(--muted)}.composer 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#0d0d0d0e}.composer-leading-space{flex:0 0 28px;width:28px;height:28px}.guest-composer textarea{flex:1;width:auto;min-width:0;height:24px;min-height:24px;max-height:24px;padding:0;font-size:16px;line-height:24px;overflow:hidden}.guest-composer .composer-actions{flex:none;gap:12px;min-height:36px}.guest-composer .composer-actions>span{font-size:13px;font-weight:400}.guest-composer .coin-submit{width:36px;height:36px}.form-error{width:min(768px,100%);color:var(--danger);justify-content:center;align-items:center;gap:6px;margin:8px auto 0;font-size:11px;font-weight:700;display:flex}.loading-panel{flex:1;justify-content:center;align-items:center;gap:7px;min-height:100%;display:flex}.loading-panel>span{background:var(--surface-soft);border-radius:999px;width:42px;height:8px;animation:1.15s ease-in-out infinite loading-pulse}.loading-panel>span:nth-child(2){width:18px;animation-delay:.12s}.loading-panel>span:nth-child(3){width:30px;animation-delay:.24s}.spin-coin{color:var(--coin);animation:1s linear infinite coin-spin}.pulse-icon{color:var(--coin);animation:1.3s ease-in-out infinite pulse}.modal-backdrop{z-index:40;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#0000006b;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.auth-modal,.modal-card{border:1px solid var(--border-strong);background:var(--surface);width:min(400px,100%);max-height:min(680px,100dvh - 40px);box-shadow:var(--shadow);border-radius:18px;padding:26px 24px 22px;animation:.16s ease-out both modal-pop;position:relative;overflow-y:auto}.modal-card{width:min(560px,100%);padding:20px}.auth-close{width:34px;height:34px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:9px;place-items:center;display:grid;position:absolute;top:10px;right:10px}.auth-close:hover{background:var(--surface-soft);color:var(--text)}.auth-ticket{text-align:center;width:100%}.auth-mark{border:2px solid var(--coin-outline);background:var(--coin);color:#fffaf7;width:44px;height:44px;box-shadow:2px 2px 0 var(--coin-outline);border-radius:12px;place-items:center;margin:0 auto 16px;display:grid}.auth-ticket h2{letter-spacing:-.035em;margin:0;font-size:24px;line-height:1.2}.auth-ticket>p{color:var(--muted);margin:9px 0 20px;font-size:12px}.auth-ticket form{text-align:left;flex-direction:column;gap:12px;display:flex}.auth-ticket label{flex-direction:column;gap:6px;font-size:11px;font-weight:700;display:flex}.auth-ticket input{border:1px solid var(--border-strong);background:var(--surface-raised);width:100%;height:44px;color:var(--text);border-radius:10px;outline:none;padding:0 12px}.auth-ticket input:focus{border-color:var(--text);box-shadow:0 0 0 3px color-mix(in srgb, var(--text) 10%, transparent)}.forgot-button{color:var(--muted);text-underline-offset:3px;cursor:pointer;background:0 0;border:0;align-self:flex-end;margin-top:-5px;padding:0;font-size:11px;font-weight:700;text-decoration:underline}.forgot-button:hover,.text-button:hover{color:var(--text)}.auth-result{flex-direction:column;align-items:center;gap:12px;display:flex}.auth-result>svg{color:var(--success)}.auth-result h2{outline:none}.auth-result p{color:var(--muted);margin:0 0 7px;font-size:12px;line-height:1.6}.auth-result .primary-button{width:100%}.primary-button{background:var(--text);min-height:44px;color:var(--surface);cursor:pointer;border:0;border-radius:10px;justify-content:center;align-items:center;font-weight:800;display:inline-flex}.primary-button:active{transform:translateY(1px)}.primary-button:disabled{opacity:.6;cursor:wait}.text-button{color:var(--muted);text-underline-offset:3px;cursor:pointer;background:0 0;border:0;margin-top:15px;font-size:11px;font-weight:700;text-decoration:underline}.reset-page{background:var(--surface);place-items:center;min-height:100dvh;padding:24px;display:grid}.reset-card{border:1px solid var(--border-strong);background:var(--surface);width:min(420px,100%);box-shadow:var(--shadow);border-radius:18px;padding:30px 28px 26px}.reset-heading{text-align:center;margin-bottom:22px}.reset-heading h1,.reset-status h1{letter-spacing:-.035em;outline:none;margin:0;font-size:24px;line-height:1.2}.reset-heading p,.reset-status p{color:var(--muted);margin:9px 0 0;font-size:12px;line-height:1.6}.reset-form{flex-direction:column;gap:8px;display:flex}.reset-form label{margin-top:4px;font-size:11px;font-weight:700}.reset-form input{border:1px solid var(--border-strong);background:var(--surface-raised);width:100%;height:44px;color:var(--text);border-radius:10px;outline:none;padding:0 12px}.reset-form input:focus{border-color:var(--text);box-shadow:0 0 0 3px color-mix(in srgb, var(--text) 10%, transparent)}.reset-form small{color:var(--muted);margin:-3px 0 3px;font-size:10px}.reset-form .primary-button{margin-top:7px}.reset-status{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:190px;display:flex}.reset-status>svg{color:var(--danger)}.reset-status.is-success>svg{color:var(--success)}.reset-status .primary-button{width:100%;margin-top:20px;text-decoration:none}.reset-spinner{border:3px solid var(--border);border-top-color:var(--text);border-radius:50%;width:28px;height:28px;margin-bottom:18px;animation:.8s linear infinite reset-spin}@keyframes reset-spin{to{transform:rotate(360deg)}}.modal-card>header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding-bottom:13px;display:flex}.modal-card h2{letter-spacing:-.025em;margin:0;font-size:19px}.icon-button{border-radius:9px;width:36px;height:36px}.modal-lead{color:var(--muted);margin:14px 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var(--border);margin-top:14px}.plan-row{border:0;border-bottom:1px solid var(--border);text-align:left;background:0 0;grid-template-columns:92px minmax(0,1fr) auto;align-items:center;gap:12px;width:100%;min-height:70px;padding:10px 6px;display:grid}button.plan-row{cursor:pointer}button.plan-row:hover:not(:disabled){background:var(--surface-raised)}button.plan-row:active:not(:disabled){transform:translateY(1px)}button.plan-row:disabled{cursor:not-allowed;opacity:.58}.plan-row.is-current{background:var(--surface-raised);opacity:1}.plan-price,.plan-copy{flex-direction:column;gap:2px;min-width:0;display:flex}.plan-price strong{letter-spacing:-.035em;font-size:20px}.plan-price small,.plan-copy span{color:var(--muted);font-size:10px}.plan-copy strong{font-size:13px}.plan-row>b{max-width:130px;color:var(--muted);text-align:right;font-size:10px}.plan-free>b{color:var(--success)}.capacity-note{color:var(--muted);text-align:center;margin:11px 0 0;font-size:10px}.stats-grid{grid-template-columns:repeat(3,1fr);gap:9px;margin:17px 0;display:grid}.stats-grid div{background:var(--surface-soft);text-align:center;border-radius:11px;padding:12px}.stats-grid small{color:var(--muted);display:block}.stats-grid strong{font-size:24px;line-height:1.3}.worker-list{margin:12px 0}.worker-list>div{border-bottom:1px solid var(--border);grid-template-columns:10px 1fr auto;align-items:center;gap:8px;padding:9px 0;display:grid}.worker-list small{color:var(--muted)}.history-status{background:var(--muted);border-radius:50%;width:7px;height:7px}.status-completed{background:var(--success)}.status-failed{background:var(--danger)}.service-toggle{cursor:pointer;border:0;border-radius:10px;justify-content:center;align-items:center;gap:7px;width:100%;min-height:43px;margin-top:13px;font-weight:800;display:flex}.service-toggle.pause{background:var(--danger-soft)}.service-toggle.play{background:var(--coin-soft)}@keyframes coin-spin{to{transform:rotateY(360deg)}}@keyframes pulse{50%{opacity:.66;transform:scale(.9)}}@keyframes loading-pulse{50%{opacity:.35}}@keyframes modal-pop{0%{opacity:0;transform:translateY(8px)scale(.985)}}@media (max-width:900px){.chatgpt-shell{grid-template-columns:minmax(0,1fr)}.chat-sidebar{z-index:21;border-right:1px solid var(--border);width:min(300px,100% - 48px);transition:transform .18s;position:absolute;inset:0 auto 0 0;transform:translate(-102%);box-shadow:15px 0 45px #0d0d0d29}.chat-sidebar.is-open{transform:translate(0)}.sidebar-scrim{z-index:20;opacity:0;pointer-events:none;background:#0d0d0d57;border:0;transition:opacity .18s;display:block;position:absolute;inset:0}.sidebar-scrim.is-visible{opacity:1;pointer-events:auto}.sidebar-toggle{display:inline-grid}.model-switch{display:inline-flex}}@media (max-width:640px){.chatgpt-header{flex-basis:52px;min-height:52px;padding:0 9px}.model-switch{font-size:15px}.chat-scroll{padding:26px 15px 20px}.empty-chat h1,.empty-chat h2{font-size:27px}.conversation-view{gap:27px}.user-message{width:min(88%,620px)}.composer{padding:8px 10px 6px}.composer-row{border-radius:22px;min-height:96px;padding:12px 12px 9px}.composer textarea{min-height:45px}.guest-landing{padding:0 12px}.guest-center{gap:24px;transform:translateY(-5vh)}.guest-composer{padding:0}.guest-composer .composer-row{border-radius:999px;height:54px;min-height:54px;padding:8px 10px}.guest-composer textarea{height:24px;min-height:24px;max-height:24px}.guest-composer .composer-actions{gap:8px}.guest-composer .composer-actions>span{text-align:right;max-width:128px;font-size:11px;line-height:1.15}.modal-backdrop{padding:12px}.auth-modal,.modal-card{max-height:calc(100dvh - 24px);padding:20px 16px 17px}.auth-modal{padding-top:25px}.reset-page{padding:12px}.reset-card{max-height:calc(100dvh - 24px);padding:25px 18px 20px;overflow-y:auto}.allowance-summary{grid-template-columns:1fr}.plan-row{grid-template-columns:68px minmax(0,1fr);gap:8px;min-height:78px;padding:9px 4px}.plan-row>b{text-align:left;grid-column:2;max-width:none}.plan-price strong{font-size:18px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}