:root{--brand-1: #3b6df0;--brand-2: #5a8bff;--brand-3: #bcd0ff;--brand-4: #eef3ff;--brand-grad: linear-gradient(135deg, #4a8fff 0%, #5468ff 100%);--nav-color-start: #4a8fff;--nav-color-end: #5468ff;--nav-grad: linear-gradient(135deg, var(--nav-color-start) 0%, var(--nav-color-end) 100%);--theme-color-start: #4a8fff;--theme-color-end: #5468ff;--theme-grad: linear-gradient(135deg, var(--theme-color-start) 0%, var(--theme-color-end) 100%);--bubble-self-fg: var(--text-on-brand);--surface-page: #f1f4f9;--surface-card: #ffffff;--surface-soft: #f5f7fb;--surface-divider: #e6e9ef;--text-1: #1f2329;--text-2: #4e5969;--text-3: #86909c;--text-4: #c9cdd4;--text-on-brand: #ffffff;--status-online: #00c853;--status-info-bg: #eef3ff;--status-info-fg: #3b6df0;--notice-bg: #fff7e0;--notice-fg: #e23a3a;--notice-border: #fce7a9;--sidebar-width: 320px;--sidebar-bg: #ffffff;--sidebar-divider: #eef0f4;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 20px;--radius-pill: 999px;--shadow-card: 0 12px 40px rgba(20, 24, 34, .08);--shadow-bubble: 0 1px 2px rgba(20, 24, 34, .06);--shadow-pop: 0 8px 24px rgba(20, 24, 34, .12);--shadow-brand-btn: 0 6px 18px rgba(74, 143, 255, .35);--chat-max-width: 760px;--shell-max-width: 1180px;--chat-desktop-height: min(820px, calc(100vh - 48px) );--chat-width: var(--shell-max-width);--chat-height: var(--chat-desktop-height);--safe-bottom: env(safe-area-inset-bottom, 0px)}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--surface-page);color:var(--text-1);font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{font-family:inherit;color:inherit}textarea{font-family:inherit}img{display:block}@media (prefers-reduced-motion: reduce){*{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}.page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:0;background:radial-gradient(1200px 600px at 50% -200px,#d8e4ff 0%,transparent 60%),var(--surface-page)}.chat-app{display:flex;width:100%;max-width:var(--chat-max-width);height:100vh;background:var(--surface-card);overflow:hidden;position:relative}.chat-shell{flex:1;min-width:0;background:var(--surface-card);display:flex;flex-direction:column;overflow:hidden;position:relative}.chat-sidebar{display:none}@media (min-width: 900px){.page{padding:24px}.chat-app{max-width:calc(var(--chat-width) + var(--sidebar-width));height:var(--chat-height);border-radius:var(--radius-xl);box-shadow:var(--shadow-card)}.chat-shell{border-right:1px solid var(--sidebar-divider)}.chat-sidebar{display:flex;flex-direction:column;width:var(--sidebar-width);flex-shrink:0;background:var(--sidebar-bg)}}.chat-sidebar__tabs{display:flex;border-bottom:1px solid var(--sidebar-divider);flex-shrink:0}.chat-sidebar__tab{flex:1;background:transparent;border:0;padding:16px 12px;font-size:14px;color:var(--text-2);cursor:pointer;position:relative;transition:color .15s}.chat-sidebar__tab:hover{color:var(--brand-1)}.chat-sidebar__tab.is-active{color:var(--brand-1);font-weight:600}.chat-sidebar__tab.is-active:after{content:"";position:absolute;left:24%;right:24%;bottom:-1px;height:2px;border-radius:2px;background:var(--brand-1)}.chat-sidebar__body{flex:1;min-height:0;overflow-y:auto;padding:14px 14px 18px}.faq-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.faq-groups{display:flex;flex-direction:column;gap:16px}.faq-group__title{font-size:12px;font-weight:600;color:var(--text-2, #64748b);margin:0 0 6px;letter-spacing:.02em}.faq-list__item{width:100%;text-align:left;background:var(--surface-soft);border:1px solid transparent;border-left:3px solid var(--brand-2);border-radius:6px;padding:10px 12px;font-size:13px;color:var(--text-1);cursor:pointer;transition:background .15s,border-color .15s,transform .08s}.faq-list__item:hover{background:var(--brand-4);border-color:var(--brand-3);border-left-color:var(--brand-1)}.faq-list__item:active{transform:scale(.99)}.agent-card{display:flex;flex-direction:column;align-items:center;gap:8px;padding:24px 16px;text-align:center}.agent-card__name{font-size:15px;font-weight:600;color:var(--text-1);margin-top:4px}.agent-card__sign{font-size:12px;color:var(--text-3)}.agent-card__status{margin-top:6px;font-size:12px;color:var(--status-online)}.agent-card__status.is-offline{color:var(--text-3)}.sidebar-quick__empty{padding:24px 8px;text-align:center;font-size:13px;color:var(--text-3)}.navbar{position:relative;display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--nav-grad);color:var(--text-on-brand);flex-shrink:0}.navbar__back,.navbar__icon{width:36px;height:36px;border-radius:50%;border:0;background:#ffffff29;color:inherit;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s ease,transform .15s ease;padding:0}.navbar__back:hover,.navbar__icon:hover{background:#ffffff47}.navbar__back:active,.navbar__icon:active{transform:scale(.94)}.navbar__identity{flex:1;min-width:0;display:flex;align-items:center;gap:12px}.navbar__meta{min-width:0;display:flex;flex-direction:column;gap:2px}.navbar__name{font-size:16px;font-weight:600;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.navbar__status{display:inline-flex;align-items:center;gap:6px;font-size:12px;opacity:.92;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.navbar__status-dot{width:7px;height:7px;border-radius:50%;background:var(--status-online);box-shadow:0 0 0 2px #ffffff59}.navbar__status--offline .navbar__status-dot{background:#c9cdd4}.navbar__actions{display:flex;align-items:center;gap:8px}.navbar__transfer{height:32px;padding:0 14px;background:transparent;border:0;color:var(--text-on-brand);font-size:14px;border-radius:var(--radius-pill);cursor:pointer;transition:background .15s,transform .1s}.navbar__transfer:hover{background:#ffffff2e}.navbar__transfer:active{transform:scale(.96)}.navbar__menu{position:absolute;top:calc(100% + 6px);right:12px;min-width:180px;background:var(--surface-card);border-radius:var(--radius-md);box-shadow:var(--shadow-pop);padding:6px;z-index:20;animation:pop-in .15s ease-out}.navbar__menu button{display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;background:transparent;border:0;border-radius:var(--radius-sm);font-size:14px;color:var(--text-1);cursor:pointer;text-align:left}.navbar__menu button:hover{background:var(--surface-soft)}.navbar__menu button.is-danger{color:#e23a3a}.navbar__menu-sub{position:relative}.navbar__menu-langbtn .navbar__menu-label{flex:1}.navbar__menu-caret{color:var(--text-2);font-size:16px;line-height:1;transition:transform .15s ease}.navbar__menu-langbtn.is-open{background:var(--surface-soft)}.navbar__menu-langbtn.is-open .navbar__menu-caret{transform:rotate(-90deg)}.navbar__submenu{position:absolute;top:-6px;right:calc(100% + 12px);min-width:152px;max-height:280px;overflow-y:auto;background:var(--surface-card);border-radius:var(--radius-md);box-shadow:var(--shadow-pop);padding:6px;z-index:30;animation:pop-in .15s ease-out}.navbar__submenu:after{content:"";position:absolute;top:14px;right:-4px;width:9px;height:9px;background:var(--surface-card);transform:rotate(45deg)}.navbar__submenu button{display:flex;align-items:center;gap:8px;width:100%;padding:9px 10px;background:transparent;border:0;border-radius:var(--radius-sm);font-size:14px;color:var(--text-1);cursor:pointer;text-align:left;white-space:nowrap}.navbar__submenu button:hover{background:var(--surface-soft)}.navbar__submenu button.is-active{color:var(--brand-1);background:var(--brand-4);font-weight:600}@media (max-width: 380px){.navbar__submenu{top:calc(100% + 4px);right:0;left:auto}.navbar__submenu:after{top:-4px;right:16px}}.avatar{position:relative;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;border-radius:50%;overflow:hidden;font-weight:600;letter-spacing:0;color:#fff;-webkit-user-select:none;user-select:none}.avatar img{width:100%;height:100%;object-fit:cover}.avatar--40{width:40px;height:40px;font-size:15px}.avatar--36{width:36px;height:36px;font-size:14px}.avatar--with-status:after{content:"";position:absolute;right:-1px;bottom:-1px;width:10px;height:10px;border-radius:50%;background:var(--status-online);box-shadow:0 0 0 2px var(--surface-card);overflow:visible}.notice-banner{position:relative;display:flex;align-items:flex-start;gap:10px;padding:8px 16px;background:var(--notice-bg);border-bottom:1px solid var(--notice-border);color:var(--notice-fg);font-size:13px;flex-shrink:0}.notice-banner__icon{display:inline-flex;align-items:center;justify-content:center;color:var(--notice-fg);flex:0 0 auto;margin-top:1px}.notice-banner__text{flex:1;min-width:0;text-align:center;font-weight:500;line-height:1.5;overflow-wrap:anywhere;word-break:break-word}.notice-banner__text,.notice-banner__text *{color:var(--notice-fg)!important}.notice-banner__text p{margin:0}.messages{flex:1;min-height:0;overflow-y:auto;background:var(--surface-page);padding:14px 14px 6px;scroll-behavior:smooth}.messages__inner{display:flex;flex-direction:column;gap:12px}.messages__load-more{align-self:center;margin:8px 0 12px;padding:6px 14px;border:1px solid var(--surface-border, #e2e8f0);background:var(--surface-card, #fff);color:var(--text-secondary, #64748b);border-radius:999px;font-size:12px;cursor:pointer}.messages__load-more:disabled{cursor:default;opacity:.6}.messages__load-more:hover:not(:disabled){background:var(--surface-hover, #f1f5f9)}.day-divider{align-self:center;font-size:11px;color:var(--text-3);background:#ffffffa6;padding:4px 12px;border-radius:var(--radius-pill);margin:6px 0;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.system-banner{align-self:center;font-size:12px;color:var(--status-info-fg);background:var(--status-info-bg);padding:6px 14px;border-radius:var(--radius-pill)}.msg{display:flex;flex-direction:column;max-width:100%;animation:msg-in .22s ease-out;gap:6px}.msg--left{align-items:flex-start}.msg--right{align-items:flex-end}.msg__row{display:flex;align-items:center;gap:4px;width:100%;min-width:0}.msg--right .msg__row{flex-direction:row-reverse}.msg__actions{position:relative;flex-shrink:0}.msg__actions-btn{width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;padding:0;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--text-3);font-size:16px;line-height:1;cursor:pointer;opacity:0;transition:opacity .15s,background .15s,color .15s}.msg:hover .msg__actions-btn,.msg__actions-btn:focus-visible,.msg__actions-btn[aria-expanded=true]{opacity:1}.msg__actions-btn:hover{background:var(--surface-soft);color:var(--text-2)}@media (hover: none){.msg__actions-btn{opacity:1}}.msg__menu{position:absolute;top:calc(100% + 4px);z-index:20;min-width:132px;padding:4px;background:var(--surface-card);border:1px solid var(--surface-divider);border-radius:var(--radius-md);box-shadow:0 6px 20px #0000001f}.msg__menu--left{left:0}.msg__menu--right{right:0}.msg__menu-item{display:flex;align-items:center;gap:8px;width:100%;padding:7px 10px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--text-1);font:inherit;font-size:13px;line-height:1.2;white-space:nowrap;text-align:start;cursor:pointer}.msg__menu-item:hover{background:var(--surface-soft)}.msg__menu-icon{width:14px;color:var(--text-3);text-align:center}.msg__menu-size{margin-inline-start:auto;color:var(--text-3);font-size:12px}.composer__reply{display:flex;align-items:flex-start;gap:8px;margin-bottom:8px;padding:6px 10px;border-radius:var(--radius-sm);background:var(--surface-soft);font-size:12px;line-height:1.5}.composer__reply-bar{flex:0 0 3px;align-self:stretch;border-radius:2px;background:var(--brand-1)}.composer__reply-body{flex:1;min-width:0}.composer__reply-title{font-weight:500;color:var(--text-1)}.composer__reply-preview{color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.composer__reply-close{align-self:flex-start;padding:0;border:none;background:transparent;color:var(--text-3);font-size:16px;line-height:1;cursor:pointer}.composer__reply-close:hover{color:var(--text-1)}.msg__head{font-size:12px;color:var(--text-3);padding:0 4px;line-height:1.2}.msg__status{font-size:11px;color:var(--text-3);padding:2px 4px 0;line-height:1.2}.msg--right .msg__status{text-align:right}.msg__status-text--read{color:var(--brand-1)}.msg__status-retry{background:none;border:none;padding:0;font:inherit;font-size:11px;color:var(--danger, #ef4444);cursor:pointer;text-decoration:underline}.msg__buttons,.msg__feedback{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px;max-width:min(75%,520px)}.msg--right .msg__buttons,.msg--right .msg__feedback{justify-content:flex-end;margin-left:auto}.msg__quick-btn,.msg__feedback-chip{font:inherit;font-size:13px;line-height:1.4;padding:6px 14px;border-radius:999px;border:1px solid var(--brand-1);background:transparent;color:var(--brand-1);cursor:pointer;transition:opacity .15s,background .15s}.msg__quick-btn:hover,.msg__feedback-chip:hover{opacity:.85}.msg__feedback-chip{border-color:var(--border-2, #d9d9d9);color:var(--text-2, #555);background:var(--bg-1, #fff)}.msg__download{display:flex;margin-top:4px;max-width:min(75%,520px)}.msg--right .msg__download{justify-content:flex-end;margin-left:auto}.msg__download-btn{display:inline-flex;align-items:center;gap:6px;font:inherit;font-size:12px;line-height:1.4;padding:2px 0;border:none;background:transparent;color:var(--text-2, #555);cursor:pointer}.msg__download-btn:hover{color:var(--brand-1);text-decoration:underline}.msg__download-size{opacity:.7}.bubble{position:relative;padding:12px 16px;border-radius:var(--radius-lg);font-size:14px;line-height:1.6;word-break:break-word;white-space:pre-wrap;max-width:min(75%,520px);box-shadow:var(--shadow-bubble)}.bubble--left{background:var(--surface-card);color:var(--text-1);border-top-left-radius:4px}.bubble--right{background:var(--theme-grad);color:var(--bubble-self-fg);border-top-right-radius:4px;box-shadow:0 4px 12px #4a8fff40}.bubble--image{padding:0;overflow:hidden;background:transparent;border:0;box-shadow:none}.bubble--right.bubble--image{background:var(--theme-grad)}.bubble--image img{display:block;max-width:240px;max-height:240px;width:100%;height:auto;cursor:zoom-in}.bubble__quote{display:flex;align-items:flex-start;gap:6px;padding:4px 8px;margin-bottom:6px;background:#0000000d;border-left:2px solid currentColor;border-radius:4px;font-size:12px;line-height:1.4;max-width:100%}.bubble--right .bubble__quote{background:#fff3}.bubble__quote--dead{font-style:italic;opacity:.7;border-left-color:transparent}.bubble__quote-sender{font-weight:500;margin-right:4px;white-space:nowrap}.bubble__quote-preview{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.bubble__file{display:inline-flex;align-items:center;gap:8px;padding:4px 0;color:inherit;text-decoration:none;min-width:0;max-width:100%}.bubble__file:hover .bubble__file-name{text-decoration:underline}.bubble__file-icon{font-size:16px;line-height:1;flex:0 0 auto}.bubble__file-meta{display:inline-flex;align-items:baseline;gap:6px;min-width:0}.bubble__file-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:260px}.bubble__file-size{opacity:.7;font-size:12px;flex:0 0 auto}.bubble__video{position:relative;display:inline-block;line-height:0;max-width:100%;cursor:pointer}.bubble__video video{display:block;max-width:320px;max-height:240px;width:100%;border-radius:4px;background:#000;pointer-events:none}.bubble__video-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:50%;background:#00000073;color:#fff;font-size:18px;line-height:44px;text-align:center;transition:background .15s}.bubble__video:hover .bubble__video-play{background:#0000009e}.bubble__audio{display:flex;max-width:100%}.bubble__audio audio{display:block;width:280px;max-width:100%}.link-preview{display:flex;align-items:center;gap:10px;margin-top:10px;padding:10px;border:1px solid var(--surface-divider);border-radius:6px;background:var(--surface-card);color:var(--text-1);text-decoration:none;max-width:320px;white-space:normal;transition:border-color .15s,background .15s}.link-preview:hover{border-color:var(--brand-1);background:var(--brand-4);color:var(--text-1)}.link-preview__icon{width:32px;height:32px;border-radius:6px;background:var(--surface-muted);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;overflow:hidden}.link-preview__icon img{width:20px;height:20px;object-fit:contain}.link-preview__body{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.link-preview__title{font-size:13px;font-weight:600;color:var(--text-1);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.link-preview__desc{font-size:12px;color:var(--text-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.media-viewer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:flex;align-items:center;justify-content:center;padding:24px;background:#0000009e;-webkit-user-select:none;user-select:none}.media-viewer__panel{position:relative;display:flex;flex-direction:column;min-width:240px;max-width:100%;max-height:100%;overflow:hidden;border-radius:var(--radius-md);background:#16181d;box-shadow:0 18px 60px #00000080}.media-viewer__bar{flex:0 0 auto;height:46px;display:flex;align-items:center;gap:8px;padding:8px 12px;color:#ffffffe6;background:#00000059}.media-viewer__title{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.media-viewer__counter{flex:0 0 auto;font-size:12px;opacity:.75}.media-viewer__btn{flex:0 0 auto;width:30px;height:30px;border:none;border-radius:50%;background:#ffffff29;color:#fff;font-size:15px;line-height:1;cursor:pointer}.media-viewer__btn:hover{background:#ffffff47}.media-viewer__stage{flex:0 1 auto;position:relative;background:#000;display:flex;align-items:center;justify-content:center;overflow:hidden;touch-action:pinch-zoom}.media-viewer__stage img,.media-viewer__stage video{display:block;max-width:calc(100vw - 48px);max-height:calc(100vh - 94px)}.media-viewer__stage img{object-fit:contain;transition:transform .12s ease-out}.media-viewer__stage video{background:#000}.media-viewer__nav{position:absolute;top:50%;transform:translateY(-50%);width:36px;height:36px;border:none;border-radius:50%;background:#ffffff29;color:#fff;font-size:22px;line-height:1;cursor:pointer}.media-viewer__nav:hover{background:#ffffff47}.media-viewer__nav--prev{left:16px}.media-viewer__nav--next{right:16px}.bubble__rich-text{display:inline;white-space:normal}.bubble__rich-text p{margin:0}.bubble__rich-text p+p{margin-top:4px}.bubble__rich-text ol,.bubble__rich-text ul{margin:4px 0;padding-left:20px}.bubble__rich-text li{margin:0}.bubble__rich-text a{color:inherit;text-decoration:underline}.bubble__md{display:block;white-space:normal;line-height:1.5}.bubble__md>:first-child{margin-top:0}.bubble__md>:last-child{margin-bottom:0}.bubble__md p{margin:0 0 8px}.bubble__md h1,.bubble__md h2,.bubble__md h3,.bubble__md h4,.bubble__md h5,.bubble__md h6{margin:10px 0 6px;font-weight:600;line-height:1.3}.bubble__md h1{font-size:1.3em}.bubble__md h2{font-size:1.2em}.bubble__md h3{font-size:1.1em}.bubble__md h4,.bubble__md h5,.bubble__md h6{font-size:1em}.bubble__md ol,.bubble__md ul{margin:6px 0;padding-left:22px}.bubble__md li{margin:2px 0}.bubble__md li>ol,.bubble__md li>ul{margin:2px 0}.bubble__md a{color:inherit;text-decoration:underline}.bubble__md code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;background:#7f7f7f29;padding:1px 5px;border-radius:4px}.bubble__md pre{margin:8px 0;padding:10px 12px;background:#7f7f7f24;border-radius:6px;overflow-x:auto}.bubble__md pre code{background:none;padding:0;font-size:.86em;white-space:pre}.bubble__md blockquote{margin:8px 0;padding:2px 12px;border-left:3px solid rgba(127,127,127,.35);color:inherit;opacity:.85}.bubble__md hr{border:none;border-top:1px solid rgba(127,127,127,.3);margin:10px 0}.bubble__md table{border-collapse:collapse;margin:8px 0;font-size:.95em;max-width:100%;display:block;overflow-x:auto}.bubble__md th,.bubble__md td{border:1px solid rgba(127,127,127,.3);padding:4px 8px;text-align:left}.bubble__md th{background:#7f7f7f1f;font-weight:600}.system-banner--rich{white-space:normal}.system-banner--rich p{margin:0}.system-banner--rich p+p{margin-top:4px}.system-banner--rich ol,.system-banner--rich ul{margin:4px 0;padding-left:20px}.system-banner--rich li{margin:0}.system-banner--rich a{color:inherit;text-decoration:underline}.typing{display:inline-flex;align-items:center;gap:5px;padding:12px 16px}.typing__dot{width:6px;height:6px;border-radius:50%;background:var(--text-3);animation:typing-blink 1.2s infinite ease-in-out}.typing__dot:nth-child(2){animation-delay:.18s}.typing__dot:nth-child(3){animation-delay:.36s}.chat-offline-button{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:calc(120px + var(--safe-bottom, 0px));padding:10px 14px calc(12px + var(--safe-bottom, 0px));background:var(--surface-card);border:none;border-top:1px solid var(--surface-divider);color:var(--brand-1);font-size:14px;line-height:1.4;cursor:pointer;flex-shrink:0;transition:background .15s}.chat-offline-button span{color:inherit}.chat-offline-button:hover:not(:disabled){background:var(--surface-hover, rgba(0, 0, 0, .03))}.chat-offline-button:active:not(:disabled){background:var(--surface-hover, rgba(0, 0, 0, .05))}.chat-offline-button:disabled{opacity:.6;cursor:not-allowed}.composer{position:relative;padding:10px 14px calc(12px + var(--safe-bottom));background:var(--surface-card);border-top:1px solid var(--surface-divider);flex-shrink:0}.composer__input{display:block;width:100%;resize:none;border:0;background:transparent;padding:8px 4px 6px;font-size:14px;line-height:1.5;outline:none;min-height:56px;max-height:140px;color:var(--text-1)}.composer__input::placeholder{color:var(--text-3)}.composer__row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:4px}.composer__tools{display:flex;align-items:center;gap:4px}.tool-btn{width:34px;height:34px;border-radius:50%;background:transparent;color:var(--text-3);border:0;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s,color .15s,transform .1s;padding:0}.tool-btn:hover{background:var(--brand-4);color:var(--brand-1)}.tool-btn:active{transform:scale(.92)}.tool-btn.is-active{background:var(--brand-4);color:var(--brand-1)}.send-btn{height:38px;padding:0 28px;border-radius:var(--radius-pill);border:0;background:var(--theme-grad);color:var(--text-on-brand);font-size:14px;font-weight:600;cursor:pointer;transition:opacity .15s,transform .1s,box-shadow .15s;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;box-shadow:var(--shadow-brand-btn)}.send-btn:hover:not(:disabled){opacity:.94}.send-btn:active:not(:disabled){transform:scale(.96)}.send-btn:disabled{background:var(--brand-3);color:#ffffffd9;cursor:not-allowed;box-shadow:none}.emoji-pop{position:absolute;left:12px;right:12px;bottom:calc(100% + 6px);background:var(--surface-card);border:1px solid var(--surface-divider);border-radius:var(--radius-md);box-shadow:var(--shadow-pop);padding:10px;display:grid;grid-template-columns:repeat(8,1fr);gap:4px;max-height:220px;overflow-y:auto;z-index:10;animation:pop-in .15s ease-out}.emoji-pop__item{font-size:22px;background:transparent;border:0;cursor:pointer;padding:4px;border-radius:var(--radius-sm);transition:background .12s,transform .08s}.emoji-pop__item:hover{background:var(--surface-soft)}.emoji-pop__item:active{transform:scale(.9)}.composer--dragover{background:var(--brand-4)}.composer__drop-hint{position:absolute;top:0;right:0;bottom:0;left:0;z-index:20;display:flex;align-items:center;justify-content:center;pointer-events:none;background:var(--brand-4);border:2px dashed var(--brand-1);border-radius:var(--radius-md);color:var(--brand-1);font-size:14px;font-weight:600}.paste-modal__mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#14182273;display:flex;align-items:center;justify-content:center;z-index:1200}.paste-modal{width:min(420px,calc(100vw - 48px));max-height:80vh;background:var(--surface-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);display:flex;flex-direction:column;overflow:hidden;animation:pop-in .15s ease-out}.paste-modal__title{padding:16px 20px 8px;font-size:16px;font-weight:600;color:var(--text-1)}.paste-modal__body{padding:8px 20px;overflow-y:auto;display:flex;flex-direction:column;gap:10px}.paste-modal__img,.paste-modal__video{max-width:100%;max-height:300px;object-fit:contain;border-radius:var(--radius-md);align-self:center;border:1px solid var(--surface-divider)}.paste-modal__video{background:#000}.paste-modal__file{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--surface-soft);border:1px solid var(--surface-divider);border-radius:var(--radius-md);color:var(--text-2)}.paste-modal__file-meta{min-width:0}.paste-modal__file-name{font-size:14px;color:var(--text-1);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.paste-modal__file-size{font-size:12px;color:var(--text-3)}.paste-modal__footer{display:flex;gap:10px;padding:14px 20px 18px}.paste-modal__btn{flex:1;height:38px;border-radius:var(--radius-pill);border:1px solid var(--surface-divider);background:var(--surface-card);color:var(--text-2);font-size:14px;font-weight:600;cursor:pointer;transition:opacity .15s,transform .1s}.paste-modal__btn:active{transform:scale(.97)}.paste-modal__btn--primary{background:var(--theme-grad);color:var(--text-on-brand);border:0;box-shadow:var(--shadow-brand-btn)}.paste-modal__btn--primary:hover{opacity:.94}.toast{position:fixed;left:50%;bottom:80px;transform:translate(-50%);padding:8px 16px;background:#141822e0;color:#fff;border-radius:var(--radius-pill);font-size:13px;z-index:100;animation:pop-in .18s ease-out}@keyframes typing-blink{0%,60%,to{opacity:.35;transform:translateY(0)}30%{opacity:1;transform:translateY(-2px)}}@keyframes msg-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes pop-in{0%{opacity:0;transform:translateY(4px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}