:root{color-scheme:light;font-family:Avenir Next,Nunito Sans,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;--ink: #102a3a;--ink-soft: #25465a;--muted: #627d8d;--page: #eef7fb;--panel: #ffffff;--panel-soft: #f8fbfc;--line: #d6e8ef;--line-strong: #a8cfdd;--blue: #4da3cf;--blue-strong: #2f7ea4;--blue-soft: #e5f5fb;--sage: #6fa98d;--mint-soft: #edf7f1;--bubble-in: #ffffff;--bubble-out: #dff2f8;--warning: #fff7d6;--warning-ink: #6f5200;--danger: #b94a48;--danger-soft: #fff0ef;--shadow: 0 18px 52px rgba(16, 42, 58, .16);--app-height: 100vh;--app-width: 100vw;--visual-offset-top: 0px;--keyboard-offset: 0px;--shell-width: 760px;--composer-height: 78px}*{box-sizing:border-box}html{min-width:320px;height:100%;background:var(--page)}body{margin:0;min-height:var(--app-height);overflow:hidden;color:var(--ink);background:radial-gradient(circle at 50% -20%,#ffffffeb 0,#ffffffeb 32%,#fff0 55%),linear-gradient(180deg,#f9fcfd 0%,var(--page) 56%,#e8f2f5 100%);-webkit-font-smoothing:antialiased}#root{height:var(--app-height);min-height:0}button,input,textarea,select{font:inherit}button{cursor:pointer;transition:background-color .16s ease,border-color .16s ease,color .16s ease,box-shadow .16s ease}button:disabled{cursor:not-allowed;opacity:.55}input,textarea,select{width:100%;border:1px solid var(--line);background:#fff;color:var(--ink);outline:none}input::placeholder,textarea::placeholder{color:#7aa4bb}input:focus-visible,textarea:focus-visible,select:focus-visible,button:focus-visible{border-color:var(--blue);box-shadow:0 0 0 4px #4da3cf2e}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.login-page,.wechat-shell{height:var(--app-height);min-height:0;display:grid;place-items:center;padding:0;overflow:hidden}.login-card{width:min(100%,420px);min-height:var(--app-height);display:grid;align-content:center;gap:14px;padding:28px 18px;background:#ffffffb3}.login-mark,.conversation-avatar,.device-avatar{display:grid;place-items:center;flex:0 0 auto;font-weight:800}.login-mark{width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--blue-strong));color:#fff;font-size:24px}h1{margin:0 0 3px;font-size:28px;line-height:1.08;letter-spacing:0}p{margin:0;color:var(--muted);font-size:15px}.field{display:block}input{height:48px;padding:0 14px;border-radius:14px}.login-button{height:48px;border:0;border-radius:14px;background:var(--blue-strong);color:#fff;font-weight:750}.login-button:hover:not(:disabled),.send-button:hover:not(:disabled){background:#0369a1}.inline-error{padding:10px 12px;border:1px solid rgba(245,158,11,.24);border-radius:12px;background:var(--warning);color:var(--warning-ink);font-size:14px;line-height:1.4}.totp-qr{width:180px;height:180px;display:grid;place-items:center;justify-self:center;padding:10px;border-radius:16px;background:#fff;border:1px solid rgba(3,105,161,.18)}.totp-qr svg{width:100%;height:100%}.chat-app{width:100%;height:var(--app-height);min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr);overflow:hidden;position:relative;background:var(--panel)}.chat-header{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto auto;align-items:center;gap:10px;padding:max(10px,calc(env(safe-area-inset-top) + 8px)) 12px 10px;border-bottom:1px solid var(--line);background:#f9fcfde6;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.conversation-avatar{width:38px;height:38px;border-radius:13px;background:linear-gradient(135deg,var(--blue),var(--blue-strong));color:#fff}.connection-dot{width:9px;height:9px;border-radius:999px;background:var(--sage);box-shadow:0 0 0 5px #6fa98d24}.header-icon,.logout-button,.send-button{display:grid;place-items:center;border:1px solid var(--line)}.header-icon,.logout-button{width:38px;height:38px;padding:0;border-radius:13px;background:#ffffffdb;color:var(--ink)}.header-icon:hover:not(:disabled),.logout-button:hover:not(:disabled){border-color:var(--line-strong);background:#fff;color:var(--blue-strong)}.header-icon.active{border-color:var(--blue);background:var(--blue-soft);color:var(--blue-strong)}.message-window{min-height:0;overflow-y:auto;padding:16px 10px calc(var(--composer-height) + 24px + env(safe-area-inset-bottom)) 10px;background:linear-gradient(180deg,#ffffff80,#e5f5fb94),var(--page);overscroll-behavior:contain;scroll-padding-bottom:calc(var(--composer-height) + 24px + env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch}.system-message{width:fit-content;max-width:min(620px,92%);margin:0 auto 12px;padding:6px 10px;border-radius:999px;background:#ffffffb8;color:var(--muted);font-size:12px;line-height:1.35}.system-message.warning{border-radius:12px;background:var(--warning);color:var(--warning-ink)}.message-row{display:flex;align-items:flex-start;gap:8px;margin:11px 0}.message-row.outgoing{justify-content:flex-end}.device-avatar{width:32px;height:32px;border-radius:11px;color:#fff}.device-avatar{background:linear-gradient(145deg,#7aa9bc,#537d91)}.bubble-wrap{max-width:calc(100% - 48px);display:grid;gap:4px}.outgoing .bubble-wrap{justify-items:end}.message-meta{display:flex;gap:7px;padding-left:2px;color:#5d8499;font-size:11px;line-height:1.2}.message-bubble{width:fit-content;max-width:100%;padding:10px 13px;border:1px solid rgba(214,232,239,.94);border-radius:6px 17px 17px;background:var(--bubble-in);color:var(--ink);line-height:1.55;overflow-wrap:anywhere;white-space:pre-wrap;box-shadow:0 1px #102a3a0a,0 8px 20px #102a3a0a}.outgoing .message-bubble{border-color:#a8cfdddb;border-radius:17px 6px 17px 17px;background:var(--bubble-out)}.record-window{position:fixed;left:8px;right:8px;top:auto;bottom:calc(10px + env(safe-area-inset-bottom) + var(--keyboard-offset));z-index:20;border:1px solid var(--line);border-radius:18px;background:#fffffff5;padding:6px;box-shadow:0 12px 34px #102a3a1f;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.composer{display:grid;grid-template-columns:minmax(0,1fr) 44px;align-items:end;gap:8px}.composer textarea{min-width:0;min-height:44px;max-height:128px;resize:none;padding:11px 12px;border-radius:14px;line-height:1.45;background:var(--panel-soft)}.send-button{width:44px;height:44px;padding:0;border-radius:14px;background:var(--blue-strong);border-color:var(--blue-strong);color:#fff}.panel-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:30;pointer-events:none}.panel-scrim{position:absolute;top:0;right:0;bottom:0;left:0;border:0;background:#102a3a1f;pointer-events:auto}.panel-sheet{position:absolute;top:calc(58px + env(safe-area-inset-top));right:8px;bottom:calc(86px + env(safe-area-inset-bottom) + var(--keyboard-offset));width:min(420px,calc(100% - 16px));min-height:0;display:grid;grid-template-rows:auto auto minmax(0,1fr);border:1px solid rgba(168,207,221,.92);border-radius:18px;background:#fffffff5;box-shadow:var(--shadow);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);overflow:hidden;pointer-events:auto}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 12px 8px}.panel-title{display:flex;align-items:center;gap:8px;min-width:0;color:var(--ink);font-size:14px;font-weight:760}.panel-close,.panel-tabs button{display:grid;place-items:center;width:34px;height:34px;padding:0;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}.panel-close:hover,.panel-tabs button:hover,.panel-tabs button.active{border-color:var(--line-strong);background:var(--blue-soft);color:var(--blue-strong)}.panel-tabs{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:7px;padding:0 12px 10px}.panel-tabs button{width:100%}.panel-body{min-height:0;overflow-y:auto;padding:0 12px 12px}.panel-stack{display:grid;gap:10px}.panel-toolbar{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px}select,.quiet-field input{height:38px;padding:0 10px;border-radius:12px}.panel-count,.permission-meta,.timeline-item-top,.timeline-item-type,.quiet-field span,.storage-card span,.storage-metric span,.done-line{color:var(--muted);font-size:12px;line-height:1.35}.panel-notice,.empty-state{padding:9px 10px;border-radius:12px;background:var(--warning);color:var(--warning-ink);font-size:13px;line-height:1.4}.empty-state{background:#e5f5fbb8;color:var(--muted)}.timeline-panel-list{display:grid;gap:8px}.timeline-item,.device-row,.permission-row,.review-result,.storage-metric{border:1px solid rgba(214,232,239,.92);border-radius:14px;background:#ffffffc2}.timeline-item{display:grid;gap:5px;padding:9px 10px}.timeline-item-top{display:flex;justify-content:space-between;gap:10px}.timeline-item-text{color:var(--ink);font-size:14px;line-height:1.45;white-space:pre-wrap;overflow-wrap:anywhere}.device-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px}.device-row.revoked{background:#f8fbfcbd}.device-row-main{min-width:0;display:flex;align-items:center;gap:9px}.device-copy{min-width:0;display:grid;gap:3px}.device-name{min-width:0;display:flex;align-items:center;gap:6px;color:var(--ink);font-size:14px;font-weight:730}.device-name>span:first-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.soft-badge{flex:0 0 auto;padding:2px 6px;border-radius:999px;background:var(--mint-soft);color:#4f8069;font-size:11px;font-weight:720}.soft-badge.danger{background:var(--danger-soft);color:var(--danger)}.permission-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px}.permission-name{color:var(--ink);font-size:14px;font-weight:720}.permission-switch{min-width:54px;height:32px;display:inline-flex;align-items:center;justify-content:center;gap:4px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--muted);font-size:13px}.permission-switch.on{border-color:#4da3cf59;background:var(--blue-soft);color:var(--blue-strong)}.storage-card{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:12px;border-radius:16px;background:linear-gradient(135deg,#e5f5fbe6,#edf7f1c7)}.storage-card div,.storage-metric{display:grid;gap:3px}.storage-card strong,.storage-metric strong{color:var(--ink);font-size:16px}.storage-meter{height:8px;overflow:hidden;border-radius:999px;background:#d6e8efdb}.storage-meter span{display:block;height:100%;border-radius:inherit;background:var(--blue-strong)}.storage-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.storage-metric{padding:10px}.quiet-field{display:grid;gap:6px}.quiet-field textarea{min-height:68px;resize:vertical;padding:10px;border-radius:12px;line-height:1.45}.quiet-field .import-textarea{min-height:170px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px}.panel-primary,.panel-danger{height:40px;display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:13px;font-weight:750}.panel-primary{border:0;background:var(--blue-strong);color:#fff}.panel-primary:hover:not(:disabled){background:#0369a1}.panel-danger{min-width:70px;padding:0 10px;border:1px solid rgba(185,74,72,.22);background:#fff;color:var(--danger);font-size:13px}.panel-danger:hover:not(:disabled){background:var(--danger-soft);border-color:#b94a4857}.done-line{text-align:center}.review-result{display:grid;gap:8px;padding:10px}.review-item{color:var(--ink);font-size:14px;line-height:1.45}.review-item.experiment{color:var(--muted)}@media (min-width: 721px){.login-page,.wechat-shell{padding:24px}.chat-app{width:min(100%,var(--shell-width));height:calc(var(--app-height) - 48px);border:1px solid rgba(214,232,239,.88);border-radius:24px;box-shadow:var(--shadow)}.login-card{min-height:auto;padding:28px;border:1px solid rgba(214,232,239,.9);border-radius:20px;background:#ffffffdb;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.message-window{padding:18px 18px 106px}.bubble-wrap{max-width:min(560px,calc(100% - 52px))}.record-window{left:50%;right:auto;width:min(calc(var(--shell-width) - 24px),calc(100% - 48px));bottom:calc(24px + var(--keyboard-offset));transform:translate(-50%);border-radius:16px;padding:12px}.panel-sheet{top:82px;right:max(24px,calc((100vw - var(--shell-width)) / 2 + 20px));bottom:calc(116px + var(--keyboard-offset))}}@media (max-width: 430px){:root{--composer-height: 72px}.chat-header{gap:8px;padding-left:10px;padding-right:10px}.header-icon,.logout-button{width:36px;height:36px;border-radius:12px}.message-window{padding-left:9px;padding-right:9px}.panel-sheet{top:calc(56px + env(safe-area-inset-top));right:6px;bottom:calc(82px + env(safe-area-inset-bottom) + var(--keyboard-offset));width:calc(100% - 12px);border-radius:17px}.panel-tabs{gap:5px}.panel-tabs button{height:32px;border-radius:11px}.device-row{grid-template-columns:minmax(0,1fr)}.panel-danger{justify-self:stretch}}.keyboard-open .message-window{scroll-padding-bottom:calc(var(--composer-height) + 14px + env(safe-area-inset-bottom))}@media (prefers-reduced-motion: reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}