@font-face{font-family:system-local;src:local("PingFang SC")}*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overscroll-behavior:none}body{font-family:system-local,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#243d34;background:#e9eee9;-webkit-font-smoothing:antialiased;overflow:hidden}button,input,textarea{font:inherit}button{cursor:pointer;-webkit-tap-highlight-color:transparent}button:disabled{cursor:default}button,input,textarea{outline-offset:3px}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid #398263}button{color:inherit}button svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}h1,h2,p{margin:0}[hidden]{display:none!important}#app{position:fixed;top:0;left:0;width:100%;height:var(--app-height,100%);transform:var(--app-transform,none);overflow:hidden;padding:28px;display:flex;align-items:center;justify-content:center}.workspace{width:1180px;max-width:100%;height:100%;max-height:1000px;display:grid;grid-template-columns:340px minmax(0,1fr);background:#f5f7f4;border:1px solid #dce4dc;border-radius:24px;overflow:hidden;box-shadow:0 18px 60px #2543370b}.sidebar{min-height:0;display:flex;flex-direction:column;border-right:1px solid #e0e6de;background:#fdfefb}.list-header{display:flex;justify-content:space-between;align-items:flex-start;padding:30px 25px 20px}.title-line{display:flex;gap:12px;align-items:center}.title-line h1{font-size:28px;letter-spacing:-1px;font-weight:650}.edition{font-size:10px;letter-spacing:.06em;background:#edf1e9;padding:4px 7px;border-radius:5px;color:#75816f}.connection{font-size:11px;display:flex;align-items:center;gap:6px;margin-top:9px;color:#7a8a7c}.connection i{width:6px;height:6px;background:#43936b;border-radius:100%}.connection.offline i{background:#b98148}.connection.offline{color:#a77942}.icon-button{width:38px;height:38px;border:0;background:transparent;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:21px;flex-shrink:0}.icon-button:hover{background:#eaf0e8}.search-wrap{display:flex;align-items:center;margin:0 23px 23px;background:#f0f3ed;border:1px solid transparent;border-radius:11px;gap:9px;padding:0 12px;min-height:42px}.search-wrap:focus-within{border-color:#90b69b}.search-wrap svg{height:17px;width:17px;stroke:#839281;stroke-width:1.6;fill:none;flex-shrink:0}.search-wrap input{width:100%;min-width:0;border:0;outline:none;background:transparent;font-size:12px;height:40px;color:#304739}.search-wrap input::placeholder{color:#98a18f}.list-caption{display:flex;justify-content:space-between;align-items:center;padding:0 26px 11px;font-size:11px;color:#8c9885;letter-spacing:1px}.text-button{padding:5px 0;background:none;border:0;font-size:11px;color:#75896e;letter-spacing:0}.chat-list{flex:1;overflow:auto;overscroll-behavior:contain;padding:0 10px;scrollbar-width:thin;scrollbar-color:#d4ddd0 transparent}.chat-row{width:100%;display:flex;align-items:center;gap:12px;min-height:83px;padding:15px 14px;border:0;border-radius:12px;text-align:left;background:transparent;margin-bottom:2px}@media(hover:hover) and (pointer:fine){.chat-row:hover{background:#f1f5ee}}.chat-row.selected{background:#eaf2e6}.avatar{width:46px;height:46px;flex-shrink:0;border-radius:15px;background:#e0e9da;color:#5e7651;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:17px;position:relative}.avatar.helper{background:#dcefe2;color:#377d56}.avatar svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.chat-copy{flex:1;min-width:0}.chat-row-top{display:flex;gap:8px;align-items:center;justify-content:space-between;margin-bottom:7px}.chat-name{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:550;color:#304138}.chat-time{font-size:10px;white-space:nowrap;color:#9aa492}.chat-preview{font-size:12px;color:#8a9685;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.unread{position:absolute;top:-3px;right:-4px;border:2px solid #fdfefb;border-radius:20px;background:#4d8861;color:white;min-width:18px;height:18px;display:flex;justify-content:center;align-items:center;font-size:9px;padding:0 3px}.sidebar-footer{display:flex;align-items:center;justify-content:center;gap:8px;padding:19px 8px;border-top:1px solid #edf0e9;font-size:10px;color:#9ca591}.tiny-mark{font-size:14px;color:#719866}.conversation{min-width:0;min-height:0;position:relative}.welcome{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding-bottom:28px}.welcome-illustration{height:98px;position:relative;width:155px;margin-bottom:28px}.mini-bubble{position:absolute;top:0;left:0;display:block;padding:14px 23px;background:#fff;border:1px solid #e3e9df;border-radius:19px 19px 19px 5px;box-shadow:0 9px 20px #2b493506;font-size:17px;color:#93a18c;transform:rotate(-7deg)}.mini-bubble.green{top:40px;left:60px;background:#d7eaca;border-color:#d1e2c8;border-radius:19px 19px 5px 19px;color:#638753;transform:rotate(6deg)}.welcome h2{font-size:22px;letter-spacing:.02em;font-weight:550;color:#496145}.welcome p{font-size:13px;margin-top:12px;color:#919e89}.welcome-note{font-size:10px;margin-top:28px;letter-spacing:1px;color:#a0aa98}.chat-view{height:100%;display:flex;flex-direction:column;min-height:0}.chat-header{display:flex;align-items:center;gap:13px;min-height:90px;padding:18px 27px;border-bottom:1px solid #e4e9df;background:#f7f9f5;flex-shrink:0}.chat-header .avatar{width:41px;height:41px;border-radius:13px;font-size:15px}.chat-heading{flex:1;min-width:0}.chat-heading h2{font-size:16px;line-height:1.5;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-heading p{font-size:11px;color:#96a18e;margin-top:3px}.back-button{display:none}.messages{flex:1;min-height:0;overflow:auto;padding:24px 28px 18px;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#d6dfd0 transparent;-webkit-overflow-scrolling:touch}.date-divider{text-align:center;font-size:10px;color:#9ea994;margin:2px 0 24px}.message-row{display:flex;align-items:flex-end;margin:0 0 16px;gap:9px}.message-row.self{justify-content:flex-end}.message-row .avatar{width:30px;height:30px;border-radius:10px;font-size:12px;align-self:flex-start}.message-stack{max-width:77%;min-width:0}.sender-name{font-size:10px;color:#8b9783;margin:0 0 5px 3px}.bubble{background:#fff;border:1px solid #e4e9df;border-radius:15px 15px 15px 4px;padding:12px 15px;font-size:14px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere;user-select:text;color:#334536}.self .bubble{background:#dcefd4;border-color:#d5e7cc;border-radius:15px 15px 4px 15px}.message-status{font-size:10px;color:#91a083;margin-top:5px;line-height:1.5}.self .message-status{text-align:right}.message-status.uncertain,.message-status.failed{color:#b48443}.message-status.queued,.message-status.sending,.message-status.submitted{color:#7f9871}.bubble.media{font-size:13px;color:#89967e;font-style:normal}.compose-area{flex-shrink:0;border-top:1px solid #e3e9de;padding:17px 25px 12px;background:#f7f9f5}.compose-area form{display:flex;align-items:flex-end;gap:11px;border:1px solid #dde5d7;padding:7px 8px 7px 14px;border-radius:15px;background:#fff}.compose-area form:focus-within{border-color:#9ab58c}.compose-area textarea{border:0;background:transparent;padding:7px 0;flex:1;min-width:0;resize:none;line-height:1.6;font-size:16px;outline:none;max-height:128px;color:#304735}.compose-area textarea::placeholder{color:#a2ac99;font-size:14px}.send-button{width:37px;height:37px;border-radius:11px;display:flex;align-items:center;justify-content:center;border:0;background:#2c634b;color:white;flex-shrink:0}.send-button:disabled{background:#e9eee4;color:#b4bfab}.send-button svg{height:19px;width:19px;stroke-width:2}.compose-hint{text-align:center;font-size:9px;letter-spacing:.6px;color:#a4ae9b;margin-top:9px}.compose-note{color:#9d845e;font-size:11px;padding:0 0 10px;line-height:1.6}.new-message-button{position:absolute;right:25px;bottom:140px;border:1px solid #d8e2d0;background:#fff;border-radius:20px;padding:9px 14px;color:#53784a;font-size:11px;box-shadow:0 3px 15px #243d3410}.more-button,.older-button{display:block;border:0;background:transparent;color:#879a7c;font-size:11px;margin:10px auto;padding:10px}.empty-small{text-align:center;font-size:12px;color:#9aa48f;padding:30px 20px;line-height:1.8}.inline-error{font-size:11px;padding:10px 20px;line-height:1.5;background:#fff4e1;color:#99733c}.pair-screen{width:390px;max-width:100%;padding:15px 14px 30px}.brand-mark{margin-bottom:30px}.brand-mark img{border-radius:18px;box-shadow:0 9px 28px #194d3f12}.eyebrow{font-size:11px;color:#88967f;letter-spacing:3px;margin-bottom:12px}.pair-screen h1{font-size:35px;letter-spacing:-1px;font-weight:650;color:#294a38}.pair-description{font-size:14px;color:#88997d;margin-top:15px}.pair-screen form{margin-top:43px}.pair-screen label{font-size:11px;color:#74886a;display:block;margin-bottom:10px}.pair-screen input{width:100%;padding:15px;border:1px solid #d9e2d1;background:#f9fbf6;border-radius:11px;font-size:13px;color:#3f5932}.pair-screen input::placeholder{color:#a2af97}.primary{display:flex;justify-content:space-between;align-items:center;width:100%;border:0;background:#285e44;color:#fff;border-radius:11px;padding:16px 18px;margin-top:12px;font-size:13px}.primary:disabled{opacity:.6}.primary span{font-size:20px;line-height:1}.pair-note{font-size:10px;color:#99a38f;text-align:center;margin-top:27px}.error{font-size:12px;line-height:1.6;color:#a77545;margin-top:13px}.toast{position:fixed;left:50%;bottom:max(35px,env(safe-area-inset-bottom));transform:translateX(-50%);background:#294535f0;color:#fff;border-radius:12px;padding:12px 18px;font-size:12px;line-height:1.6;max-width:85vw;z-index:20;box-shadow:0 5px 20px #0001}dialog{max-width:420px;width:calc(100% - 36px);border:1px solid #dce5d5;border-radius:23px;padding:24px;color:#3e5335;background:#fafcf7;box-shadow:0 24px 90px #1b3b3425}dialog::backdrop{background:#203e3555;backdrop-filter:blur(3px)}.dialog-heading{display:flex;justify-content:space-between;align-items:center}.dialog-heading h2{font-size:19px;font-weight:600}dialog ol{font-size:13px;line-height:2.1;padding-left:20px;color:#6c7f5f;margin:20px 0}.note-card{background:#edf3e6;border-radius:12px;padding:16px}.note-card strong{font-size:12px}.note-card p{font-size:12px;line-height:1.8;color:#879779;margin-top:8px}.small-muted{font-size:11px;color:#93a086;line-height:1.8;margin-top:15px}.logout-button{width:100%;margin-top:24px;padding:12px;border:1px solid #dfe5d6;border-radius:10px;font-size:12px;background:transparent;color:#9b7e5c}
@media(min-width:1200px){#app{padding:42px}.workspace{max-height:920px}}
@media(max-width:800px) and (min-width:701px){.workspace{grid-template-columns:285px minmax(0,1fr)}#app{padding:12px}.list-header{padding-left:20px}.messages{padding:20px 16px}}
@media(max-width:700px){body{background:#fdfefb}#app{padding:0;align-items:stretch}.workspace{width:100%;max-height:none;border:0;border-radius:0;display:block;box-shadow:none}.sidebar{height:100%;border:0;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}.list-header{padding:25px 22px 20px}.title-line h1{font-size:30px}.search-wrap{margin-bottom:22px;min-height:44px}.search-wrap input{font-size:16px}.search-wrap input::placeholder{font-size:13px}.chat-row{min-height:87px;padding:16px 12px}.chat-name{font-size:16px}.chat-preview{font-size:13px}.chat-time{font-size:11px}.avatar{width:49px;height:49px}.list-caption{font-size:11px;padding-bottom:10px}.sidebar-footer{padding:16px 8px}.conversation{display:none;height:100%;background:#f5f7f4}.workspace.chat-open .sidebar{display:none}.workspace.chat-open .conversation{display:block}.chat-header{padding:calc(10px + env(safe-area-inset-top)) 12px 11px 8px;min-height:72px;gap:9px}.back-button{display:flex}.chat-header .avatar{width:37px;height:37px;border-radius:12px}.chat-heading h2{font-size:16px}.chat-heading p{font-size:10px}.messages{padding:22px 15px 12px}.message-stack{max-width:82%}.bubble{font-size:16px;padding:10px 13px;line-height:1.55}.message-row{margin-bottom:18px;gap:7px}.message-row .avatar{width:28px;height:28px;font-size:11px}.compose-area{padding:10px 12px calc(8px + env(safe-area-inset-bottom))}.compose-area form{padding:5px 6px 5px 12px;border-radius:14px}.compose-area textarea{font-size:16px;max-height:108px}.compose-hint{font-size:9px;margin-top:6px}.compose-note{font-size:11px}.pair-screen{align-self:center;padding:24px 22px 50px}.pair-screen input{font-size:16px}.pair-screen input::placeholder{font-size:12px}.welcome{display:none}.new-message-button{bottom:125px;font-size:12px}}
@media(prefers-reduced-motion:no-preference){.chat-row,.send-button,.icon-button{transition:background .15s}.toast{animation:appear .2s ease-out}@keyframes appear{from{opacity:0;bottom:22px}to{opacity:1}}}

.refresh-button{border:1px solid #cfddca;background:#edf4e8;color:#315d40;border-radius:10px;min-height:40px;padding:8px 13px;font-size:13px;white-space:nowrap;flex-shrink:0}.refresh-button:disabled{opacity:.55}.notification-settings{border-top:1px solid #e0e7db;margin:16px 0;padding:18px 0}.notification-settings h3{font-size:15px;margin:0 0 10px}.notification-settings label{display:flex;align-items:center;justify-content:space-between;min-height:44px;font-size:13px}.notification-settings input{width:20px;height:20px;accent-color:#315d40}.notification-settings .refresh-button{margin-top:10px}#unread-total{font-weight:500;color:#356648;letter-spacing:0}.incoming-banner{position:fixed;z-index:25;top:max(12px,env(safe-area-inset-top));left:50%;transform:translateX(-50%);width:min(420px,calc(100% - 24px));display:flex;background:#fff;border:1px solid #b6ceae;border-radius:17px;box-shadow:0 8px 35px #1d432c30;overflow:hidden}.incoming-banner button{background:none;border:0;text-align:left}#incoming-open{padding:15px 18px;min-width:0;flex:1;display:flex;flex-direction:column;gap:6px}#incoming-title{font-size:14px}#incoming-preview{font-size:13px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;max-width:100%;color:#63775b}.incoming-banner small{font-size:10px;color:#87997d}#incoming-dismiss{width:44px;align-self:stretch;text-align:center;font-size:24px;color:#78906c}dialog{max-height:85dvh;overflow:auto}

/* The document never scrolls behind the keyboard; message and dialog panes do. */
html,body{position:fixed;inset:0;overflow:hidden;width:100%;height:100%}
@media(max-width:700px){
 .keyboard-open .compose-area{padding-bottom:8px}
 .keyboard-open .compose-hint{display:none}
 .keyboard-open .sidebar{padding-bottom:0}
 .keyboard-open .new-message-button{bottom:80px}
 .keyboard-open .chat-header{min-height:60px;padding-top:8px;padding-bottom:8px}
 .keyboard-open .messages{padding-top:12px}
 .keyboard-open .pair-screen{max-height:100%;overflow-y:auto;padding-top:16px;padding-bottom:16px}
 .keyboard-open .pair-screen .brand-mark,.keyboard-open .pair-screen .eyebrow,.keyboard-open .pair-screen .pair-description,.keyboard-open .pair-screen .pair-note{display:none}
 .keyboard-open .pair-screen h1{font-size:24px}
 .keyboard-open .pair-screen form{margin-top:16px}
}
/* Mobile app interactions: no double-tap zoom on controls, retain pinch zoom. */
html,body,button,a,input,textarea,.messages,.chat-list{touch-action:manipulation}
button,.chat-row,.chat-header,.list-header,.list-caption{-webkit-user-select:none;user-select:none}
.avatar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:inherit}
.avatar .unread{z-index:1}
.workspace{position:relative}.pull-refresh{height:0;flex-shrink:0;overflow:hidden;display:flex;align-items:center;justify-content:center;font-size:12px;color:#809078;transition:height .16s ease}.pull-refresh.ready{color:#2c634b}.pull-refresh.loading{color:#2c634b}
.chat-header{background:#f5f7f4;backdrop-filter:none;-webkit-backdrop-filter:none}
@media(max-width:700px){
 #app{padding:env(safe-area-inset-top) 0 0;background:#f5f7f4}
 .sidebar{padding-top:0;padding-bottom:env(safe-area-inset-bottom);transition:transform .24s cubic-bezier(.2,.75,.25,1),opacity .24s}
 .list-header{padding:17px 22px 16px}.search-wrap{margin-bottom:15px}.list-caption{padding-bottom:9px}
 .workspace.chat-open .sidebar{display:flex;transform:translateX(-16%);opacity:.6;pointer-events:none}
 .conversation{display:block;position:absolute;inset:0;z-index:2;visibility:hidden;pointer-events:none;transform:translateX(100%);transition:transform .24s cubic-bezier(.2,.75,.25,1),visibility 0s .24s;background:#f5f7f4}
 .workspace.chat-open .conversation{display:block;visibility:visible;pointer-events:auto;transform:none;transition:transform .24s cubic-bezier(.2,.75,.25,1),visibility 0s}
 .chat-header{padding:10px 12px 11px 8px;min-height:66px}
 .chat-heading h2{font-weight:600}.chat-heading p{font-size:10px}
 .compose-area{padding-top:8px;padding-bottom:calc(8px + env(safe-area-inset-bottom))}
 .chat-row.pressed{background:#e7eee2}.icon-button:active,.refresh-button:active{background:#dce9d5;transform:scale(.96)}.send-button:active{transform:scale(.93)}
 .keyboard-open #app{padding-top:env(safe-area-inset-top)}
}
@media(prefers-reduced-motion:reduce){.sidebar,.conversation,.pull-refresh{transition:none!important}}

.workspace.history-navigation .conversation,.workspace.history-navigation .sidebar{transition:none!important;animation:none!important}

/* Keep touch drags free of sticky hover/press feedback. */
.chat-list.is-pulling .chat-row{background:transparent!important;transition:none}
.pull-refresh.tracking{transition:none}
.list-loading{font-size:12px;color:#879a7c;text-align:center;padding:8px;margin:0}
.wechat-face{font-family:"Apple Color Emoji","Segoe UI Emoji",sans-serif;font-style:normal}
.media-tile{display:block;position:relative;overflow:hidden;width:210px;height:230px;max-width:100%;padding:0;border:1px solid #dce5d5;border-radius:14px;background:#edf1e9;color:#819078}
.media-tile img{display:block;width:100%;height:100%;object-fit:cover;opacity:0}
.media-tile.loaded img{opacity:1}.media-tile.loaded .media-placeholder{display:none}
.media-tile.sticker{width:150px;height:150px;border:0;background:transparent;border-radius:0}.media-tile.sticker img{object-fit:contain}
.media-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:12px;padding:14px}
.media-viewer{position:fixed;inset:0;margin:0;width:100%;max-width:100%;height:100%;max-height:100%;border:0;border-radius:0;padding:0;background:transparent;color:white;overflow:hidden;box-shadow:none;touch-action:none;outline:none}
.media-viewer[open]{display:flex;align-items:center;justify-content:center}.media-viewer img{position:relative;display:block;max-width:100%;max-height:100%;object-fit:contain;user-select:none;-webkit-user-select:none;transform-origin:center;will-change:transform;pointer-events:none}.media-viewer::backdrop{background:transparent;backdrop-filter:none}.media-shade{position:absolute;inset:0;background:#000;pointer-events:none}
/* Neutral navigation chrome, matching the light WeChat layout. */
:root{color-scheme:light}
@media(max-width:700px){
 html,body,#app{background:#ededed}
 .sidebar{background:#fff}
 .list-header,.chat-header{background:#ededed;color:#191919}
 .title-line h1,.chat-heading h2{color:#191919}
 .title-line{min-width:0}.list-header>div{min-width:0}.title-line h1{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;font-size:27px;letter-spacing:0}
 .connection,.chat-heading p{color:#888}.connection i{background:#07a75b}
 .search-wrap{margin-top:14px;background:#f5f5f5}.search-wrap input{color:#191919}.search-wrap input::placeholder{color:#999}
 .refresh-button{background:#f7f7f7;border-color:#ddd;color:#333}
 .list-header .icon-button:active,.chat-header .icon-button:active{background:#ddd}
 /* Match every surface iOS can sample under the status-bar safe area. */
 .viewing-media,.viewing-media body,.viewing-media #app,.viewing-media .list-header,.viewing-media .chat-header{background:#000}
 .viewing-media{color-scheme:dark}
}