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var(--ease)}.cta:before{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(180deg,#ffffff38,#fff0 55%);pointer-events:none}.cta-label{position:relative;font-size:34px;font-weight:700;letter-spacing:-.02em}.cta:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 1px #ffffff59 inset,0 24px 46px -16px #6e55eed9,0 2px 6px #503cc833}.cta:active:not(:disabled){transform:translateY(0) scale(.985)}.cta.is-busy{filter:saturate(.85)}.cta.is-busy .cta-label{opacity:.85;font-size:26px}.home-sub{min-height:40px;margin-top:14px;display:flex;align-items:center}.home-error{color:var(--danger);font-size:14px;font-weight:500;text-align:center}.features{position:relative;width:100%;max-width:420px;margin-top:30px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;justify-items:center}.feature{display:flex;flex-direction:column;align-items:center;gap:12px;width:120px;padding:6px 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var(--line);box-shadow:var(--shadow-2);color:var(--text-2);font-size:14px;text-align:center;opacity:0;transform:translateY(-6px);pointer-events:none;min-height:64px;transition:opacity var(--t) var(--ease),transform var(--t) var(--ease)}.feature-desc.is-open{opacity:1;transform:none}.feature-desc:before{content:"";position:absolute;top:-7px;width:12px;height:12px;background:var(--surface);border-left:1px solid var(--line);border-top:1px solid var(--line);transform:rotate(45deg);left:calc(50% - 6px);transition:left var(--t) var(--ease)}.feature-desc[data-pos="0"]:before{left:calc(16.66% - 6px)}.feature-desc[data-pos="2"]:before{left:calc(83.33% - 6px)}.home-foot{position:relative;display:flex;justify-content:flex-end;padding:0 24px 20px}.version-badge{font-size:12px;font-weight:600;color:var(--text-3);padding:4px 10px;border-radius:var(--r-pill);background:var(--surface-2)}.app{height:100dvh;display:flex;background:var(--bg-app)}.app-frame{flex:1;display:flex;min-width:0;max-width:1440px;margin:0 auto;background:var(--surface);box-shadow:0 0 0 1px var(--line),0 30px 80px -40px #291c7840}.sidebar{width:var(--sidebar-w);flex-shrink:0;display:flex;flex-direction:column;border-right:1px solid var(--line);background:var(--surface);min-height:0}.pane{flex:1;min-width:0;display:flex;flex-direction:column;min-height:0;background:var(--surface);position:relative}.sidebar-head{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 14px 0 20px;border-bottom:1px solid var(--line);flex-shrink:0}.sidebar-logo{width:112px;padding:4px 0;border-radius:8px;transition:opacity var(--t) var(--ease)}.sidebar-logo:hover{opacity:.8}.chatlist{flex:1;overflow-y:auto;padding:8px;scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent}.chatitem{width:100%;display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:16px;text-align:left;transition:background var(--t-fast) var(--ease)}.chatitem+.chatitem{margin-top:2px}.chatitem:hover{background:var(--surface-2)}.chatitem.is-active{background:var(--brand-soft)}.chatitem-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.chatitem-top,.chatitem-bottom{display:flex;align-items:center;gap:8px;min-width:0}.chatitem-name{flex:1;min-width:0;font-weight:600;font-size:15px;letter-spacing:-.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:flex;align-items:center;gap:5px}.chatitem-lock{color:var(--text-3)}.chatitem-time{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums;flex-shrink:0}.chatitem.has-unread 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12px}.sk-av{width:48px;height:48px;border-radius:50%;flex-shrink:0}.sk-lines{flex:1;display:flex;flex-direction:column;gap:8px}.sk-l1{height:12px;width:60%}.sk-l2{height:10px;width:85%}.msg-skeleton{padding:28px 24px;display:flex;flex-direction:column;gap:12px}.sk-b1{height:40px;width:42%;border-radius:18px}.sk-b2{height:40px;width:34%;border-radius:18px;align-self:flex-end}.sk-b3{height:58px;width:52%;border-radius:18px}@keyframes shimmer{to{background-position:-200% 0}}.chat-header{height:var(--header-h);flex-shrink:0;display:flex;align-items:center;gap:12px;padding:0 12px 0 20px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);position:relative;z-index:5}.chat-header--skeleton{gap:12px}.chat-back{display:none;margin-left:-8px}.chat-heading{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center}.chat-title{display:inline-flex;align-items:center;gap:6px;max-width:100%;min-width:0;align-self:flex-start;font-size:16.5px;font-weight:650;letter-spacing:-.015em;border-radius:8px;padding:1px 4px;margin-left:-4px;transition:background var(--t-fast) var(--ease)}.chat-title:hover{background:var(--surface-2)}.chat-title-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-title-pencil{color:var(--text-3);opacity:0;transition:opacity var(--t) var(--ease)}.chat-title:hover .chat-title-pencil,.chat-title:focus-visible 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6px)}.mobile-only{display:none!important}.messages-wrap{flex:1;min-height:0;position:relative;display:flex}.messages{flex:1;overflow-y:auto;overscroll-behavior:contain;scroll-behavior:auto;background:radial-gradient(120% 60% at 100% 0%,color-mix(in srgb,var(--brand) 5%,transparent),transparent 60%),var(--surface);scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent}.messages-inner{max-width:820px;margin:0 auto;padding:20px 24px 12px;display:flex;flex-direction:column;min-height:100%}.older-btn{align-self:center;margin:4px 0 12px;font-size:13px;font-weight:600;color:var(--brand-strong);padding:6px 14px;border-radius:var(--r-pill);background:var(--brand-soft)}.chat-intro{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;padding:18px 0 22px}.chat-intro-title{font-size:18px;font-weight:650;letter-spacing:-.015em;margin-top:4px}.chat-intro-text{display:inline-flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px;color:var(--text-3);font-size:13.5px;max-width:460px}.me-chip{display:inline-flex;align-items:center;gap:6px;padding:3px 10px 3px 3px;border-radius:var(--r-pill);background:var(--surface-2);color:var(--text);font-weight:600;font-size:13.5px;transition:background var(--t-fast) var(--ease)}.me-chip .icon{color:var(--text-3)}.me-chip:hover{background:var(--brand-soft);color:var(--brand-strong)}.day-sep{display:flex;justify-content:center;margin:14px 0 10px;position:sticky;top:8px;z-index:2;pointer-events:none}.day-sep span{font-size:12px;font-weight:600;color:var(--text-2);padding:4px 12px;border-radius:var(--r-pill);background:color-mix(in srgb,var(--surface) 85%,transparent);border:1px solid var(--line);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.notice{align-self:center;margin:8px 0;font-size:12.5px;color:var(--text-3);text-align:center;padding:4px 12px;border-radius:var(--r-pill);background:var(--surface-2);animation:rise var(--t-slow) var(--ease);max-width:90%}.group{display:flex;align-items:flex-end;gap:8px;margin:6px 0}.group--mine{justify-content:flex-end}.group-avatar{position:sticky;bottom:0;align-self:flex-end;margin-bottom:2px}.group-body{display:flex;flex-direction:column;gap:2px;min-width:0;max-width:min(560px,78%)}.group--mine .group-body{align-items:flex-end}.group-name{font-size:13px;font-weight:650;margin:0 0 3px 12px;letter-spacing:-.005em}.bubble-row{position:relative;display:flex;align-items:center;gap:6px;max-width:100%;animation:msg-in var(--t-slow) var(--ease)}.bubble-row.is-mine{flex-direction:row-reverse}@keyframes msg-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.bubble{position:relative;min-width:64px;max-width:100%;padding:8px 12px 6px 13px;border-radius:20px;font-size:15.5px;line-height:1.4;overflow-wrap:anywhere;word-break:break-word;cursor:default;transition:box-shadow var(--t) var(--ease),transform var(--t-fast) var(--ease),opacity var(--t) var(--ease)}.bubble--other{background:var(--bubble-other);color:var(--bubble-other-text);border-bottom-left-radius:8px;border-top-left-radius:8px}.bubble--other.is-first{border-top-left-radius:20px}.bubble--mine{background:var(--bubble-own);color:#fff;border-bottom-right-radius:8px;border-top-right-radius:8px;box-shadow:0 4px 14px -8px #6248ec99}.bubble--mine.is-first{border-top-right-radius:20px}.bubble--other.is-last{border-bottom-left-radius:6px}.bubble--mine.is-last{border-bottom-right-radius:6px}.bubble.is-pending{opacity:.72}.bubble.is-failed{background:var(--danger-soft);color:var(--danger);cursor:pointer;box-shadow:none}.bubble.is-highlighted{animation:glow 1.6s var(--ease)}@keyframes glow{0%,40%{box-shadow:0 0 0 4px var(--brand-ring)}to{box-shadow:0 0 0 0 transparent}}.bubble-text{white-space:pre-wrap}.bubble-meta{float:right;display:inline-flex;align-items:center;gap:4px;margin:8px 0 -2px 10px;font-size:11px;line-height:1;font-variant-numeric:tabular-nums;opacity:.6;-webkit-user-select:none;user-select:none}.bubble--mine .bubble-meta{opacity:.8}.bubble-failed{font-weight:800}.bubble-clock{width:9px;height:9px;border-radius:50%;border:1.5px solid currentColor;border-top-color:transparent;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.msg-link{color:inherit;text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px}.bubble--other .msg-link{color:var(--brand-strong)}.quote{display:flex;flex-direction:column;width:100%;text-align:left;margin:2px 0 6px;padding:5px 10px;border-left:3px solid currentColor;border-radius:8px;background:#0000000d;font-size:13.5px}.bubble--mine .quote{background:#ffffff29}.bubble--other .quote{color:var(--brand-strong)}.quote-name{font-weight:650}.quote-text{opacity:.85;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:inherit}.bubble--other .quote-text{color:var(--text-2)}.bubble-tools{display:flex;gap:2px;padding:3px;border-radius:12px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-2);opacity:0;transform:scale(.94);pointer-events:none;transition:opacity var(--t-fast) var(--ease),transform var(--t-fast) var(--ease)}.tool-btn{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;color:var(--text-2);transition:background var(--t-fast) var(--ease),color var(--t-fast) var(--ease)}.tool-btn:hover{background:var(--surface-2);color:var(--text)}.tool-btn--danger:hover{background:var(--danger-soft);color:var(--danger)}@media(hover:hover){.bubble-row:hover .bubble-tools{opacity:1;transform:none;pointer-events:auto}}.bubble-row.is-selected .bubble-tools{opacity:1;transform:none;pointer-events:auto}.bubble-row:focus-within .bubble-tools{opacity:1;transform:none;pointer-events:auto}.to-bottom{position:absolute;right:20px;bottom:14px;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--surface);color:var(--text-2);border:1px solid var(--line);box-shadow:var(--shadow-2);animation:rise var(--t) var(--ease)}.to-bottom .badge{position:absolute;top:-6px;right:-4px}.invite{align-self:center;width:100%;max-width:460px;margin:4px 0 18px;padding:24px 22px 18px;text-align:center;border-radius:24px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-2);position:relative;overflow:hidden;animation:rise var(--t-slow) var(--ease)}.invite:before{content:"";position:absolute;inset:0 0 auto;height:90px;background:linear-gradient(180deg,var(--brand-softer),transparent);pointer-events:none}.invite>*{position:relative}.invite-art{display:flex;justify-content:center;align-items:center;margin-bottom:14px}.invite-art .avatar{position:relative;z-index:1}.invite-slot{width:56px;height:56px;border-radius:50%;margin-left:-10px;display:grid;place-items:center;border:2px dashed color-mix(in srgb,var(--brand) 55%,transparent);color:var(--brand-strong);background:var(--surface);animation:breathe 2.6s ease-in-out infinite}@keyframes breathe{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.invite-title{font-size:19px;font-weight:650;letter-spacing:-.015em}.invite-text{color:var(--text-2);font-size:14.5px;margin:6px auto 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58px}.composer{flex-shrink:0;padding:10px 20px calc(14px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--surface)}.composer>*{max-width:820px;margin-left:auto;margin-right:auto}.composer-context{display:flex;align-items:center;gap:10px;padding:6px;margin-bottom:8px;border-radius:16px;background:var(--brand-softer);animation:rise var(--t) var(--ease)}.composer-context-icon{color:var(--brand-strong);width:34px;height:34px;padding:8px;border-radius:11px;background:var(--brand-soft)}.composer-context-body{flex:1;min-width:0}.composer-context-title{font-size:13px;font-weight:650;color:var(--brand-strong)}.composer-context-text{font-size:13.5px;color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.composer-error{margin-bottom:8px;padding:8px 12px;border-radius:12px;background:var(--warn-soft);color:var(--warn-text);font-size:13.5px;font-weight:500;animation:rise var(--t) var(--ease)}.composer-row{display:flex;align-items:flex-end;gap:10px}.composer-field{flex:1;min-width:0;position:relative}.composer-field textarea{display:block;width:100%;min-height:46px;max-height:160px;resize:none;padding:12px 18px;border-radius:23px;border:1.5px solid var(--line);background:var(--surface-2);outline:none;font-size:15.5px;line-height:1.4;scrollbar-width:none;transition:border-color var(--t) var(--ease),background var(--t) var(--ease),box-shadow var(--t) var(--ease)}.composer-field textarea::placeholder{color:var(--text-3)}.composer-field textarea:focus{border-color:var(--brand);background:var(--surface);box-shadow:0 0 0 4px var(--brand-ring)}.composer-count{position:absolute;right:16px;top:-20px;font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}.composer-count.is-over{color:var(--danger);font-weight:600}.send-btn{width:46px;height:46px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;background:var(--surface-2);color:var(--text-3);transition:background var(--t) var(--ease),color var(--t) var(--ease),transform var(--t-fast) var(--ease),box-shadow var(--t) var(--ease)}.send-btn.is-ready{background:var(--brand-grad);color:#fff;box-shadow:var(--shadow-cta)}.send-btn.is-ready:hover{transform:translateY(-1px)}.send-btn.is-ready:active{transform:scale(.92)}.pane-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px;padding:24px}.pane-empty-art{width:88px;height:88px;border-radius:28px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-strong);margin-bottom:8px;transform:rotate(-6deg);box-shadow:var(--shadow-2)}.pane-empty-title{font-size:20px;font-weight:650;letter-spacing:-.015em}.pane-empty-text{color:var(--text-2);font-size:14.5px;margin-bottom:8px}.pane-loading{flex:1;display:flex;flex-direction:column}.center-page,.fullscreen-state{min-height:100dvh;display:grid;place-items:center;padding:24px 16px;background:var(--bg-app)}.fullscreen-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center}.state-logo{width:150px}.state-text{color:var(--text-2);max-width:340px}.center-card{width:100%;max-width:400px;background:var(--surface);border-radius:28px;padding:30px 26px 22px;box-shadow:var(--shadow-3);border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px}.center-card .form{width:100%;margin:14px 0 6px}.center-logo{width:120px;margin-bottom:18px}.center-icon{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-strong);margin-bottom:8px}.center-title{font-size:21px;font-weight:650;letter-spacing:-.02em}.center-text{color:var(--text-2);font-size:14.5px}.big-code{font-size:64px;font-weight:750;letter-spacing:-.04em;line-height:1;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:6px}@media(max-width:1100px){:root{--sidebar-w: 300px}.chat-invite-label{display:none}.chat-invite{width:40px;padding:0}}@media(max-width:767px){:root{--header-h: 60px}.app{background:var(--surface)}.app-frame{box-shadow:none}.sidebar{width:100%;border-right:0}.app.has-chat .sidebar{display:none}.app:not(.has-chat) .pane{display:none}.chat-back{display:inline-grid}.chat-header{padding:0 6px 0 12px;gap:10px}.chat-header .avatar{--av-size: 38px !important}.desktop-only{display:none!important}.mobile-only{display:flex!important}.chat-invite{margin-right:0}.messages-inner{padding:14px 12px 10px}.group-body{max-width:84%}.group--other .group-body{max-width:calc(100% - 64px)}.bubble-tools{position:absolute;top:-40px;z-index:4}.bubble-row.is-mine .bubble-tools{right:0}.bubble-row:not(.is-mine) .bubble-tools{left:0}.composer{padding:8px 10px calc(10px + env(safe-area-inset-bottom))}.home-top{padding:14px 16px 0}.home-main{padding-bottom:2vh}.home-cta{margin-top:36px;max-width:300px}.cta{height:68px}.cta-label{font-size:29px}.features{gap:2px}.feature{width:104px}.feature-circle{width:84px;height:84px;border-width:4px}.modal-backdrop{align-items:end;padding:0}.modal{max-width:none!important;border-radius:24px 24px 0 0;padding-bottom:env(safe-area-inset-bottom);animation:sheet var(--t-slow) var(--ease)}.sidebar-new span{display:none}.sidebar-new{width:40px;padding:0}.invite{padding:22px 16px 16px}}@keyframes sheet{0%{transform:translateY(40px);opacity:0}to{transform:none;opacity:1}}@media(prefers-color-scheme:dark){.feature-circle{border-color:#34314a;color:#4a4664}.feature-title{color:var(--text-3)}.cta{box-shadow:0 1px #ffffff40 inset,0 18px 40px -16px #7f68ff99}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}