:root{--bg: #f5f5f7;--panel: #ffffff;--ink: #1d1d1f;--sub: #86868b;--line: #e5e5ea;--brand: #0a84ff;--brand-d: #0060df;--ok: #34c759;--ok-bg: #e7f9ec;--warn: #ff9f0a;--android: #1a73e8;--android-d: #1558b0}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif}.wrap,body{min-height:100vh}#app{display:flex;justify-content:center;align-items:flex-start;padding:16px 10px 40px}.phone{width:100%;max-width:420px;background:var(--panel);border-radius:28px;overflow:hidden;box-shadow:0 14px 40px #0000001f;display:flex;flex-direction:column;min-height:78vh}.statusbar{height:44px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;font-size:13px;font-weight:600;flex:0 0 auto;background:var(--panel)}.navbar{height:48px;flex:0 0 auto;display:flex;align-items:center;gap:8px;padding:0 12px;border-bottom:1px solid var(--line);font-weight:600;font-size:16px;background:var(--panel)}.navbar .back{color:var(--brand);font-size:22px;cursor:pointer;display:flex;align-items:center;background:none;border:none;padding:4px 2px;line-height:1}.navbar .title{flex:1;text-align:center}.navbar .spacer{width:44px;text-align:right;color:var(--brand);font-size:22px;cursor:pointer}.content{flex:1;overflow-y:auto;background:#fafafa;padding-bottom:8px}.conv{display:flex;gap:12px;padding:12px 16px;border-bottom:1px solid #f0f0f3;cursor:pointer;align-items:center}.conv:hover{background:#f2f2f7}.avatar{width:46px;height:46px;border-radius:50%;flex:0 0 auto;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:18px}.conv .meta{flex:1;min-width:0}.conv .row1{display:flex;justify-content:space-between;align-items:baseline}.conv .name{font-weight:600;font-size:15px}.conv .time{font-size:11px;color:var(--sub)}.conv .last{font-size:13px;color:var(--sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}.badge-verified{display:inline-flex;align-items:center;gap:3px;font-size:11px;color:var(--ok);background:var(--ok-bg);padding:1px 7px;border-radius:999px;margin-left:6px;vertical-align:middle}.enc-banner{margin:10px 12px 4px;background:var(--ok-bg);color:#1c7a3e;font-size:12px;padding:8px 12px;border-radius:12px;display:flex;gap:6px;align-items:center;line-height:1.3}.enc-banner.warn{background:#fff4e5;color:#8a5a00}.chat{padding:8px 12px 16px;display:flex;flex-direction:column;gap:10px}.msg{max-width:76%;padding:9px 13px;border-radius:18px;font-size:14.5px;line-height:1.35;position:relative;word-break:break-word}.msg .lock{font-size:10px;opacity:.55;margin-left:6px}.msg.them{background:#ececf0;color:#000;align-self:flex-start;border-bottom-left-radius:6px}.msg.me{background:var(--brand);color:#fff;align-self:flex-end;border-bottom-right-radius:6px}.bigbtn{margin:8px 12px 0;width:calc(100% - 24px);border:none;border-radius:14px;padding:13px;font-size:15px;font-weight:700;cursor:pointer;background:var(--brand);color:#fff}.composer{display:flex;gap:8px;padding:8px 12px;border-top:1px solid var(--line);background:var(--panel)}.composer .inp{flex:1}.send{border:none;border-radius:12px;padding:0 18px;font-size:15px;font-weight:700;cursor:pointer;background:var(--brand);color:#fff}.send:disabled{opacity:.5}.encinfo{padding:16px 18px 24px}.encinfo h3{font-size:17px;margin:0 0 4px}.encinfo .lead{font-size:13px;color:var(--sub);margin:0 0 16px;line-height:1.4}.tabs{display:flex;background:#ececf0;border-radius:10px;padding:3px;margin-bottom:16px}.tabs button{flex:1;border:none;background:none;padding:8px;font-size:13.5px;border-radius:8px;cursor:pointer;color:var(--sub);font-weight:600}.tabs button.on{background:#fff;color:var(--ink);box-shadow:0 1px 3px #00000014}.safecode{font-family:SF Mono,ui-monospace,Menlo,Consolas,monospace;font-size:15px;line-height:2;letter-spacing:1px;background:#f6f6f8;border:1px solid var(--line);border-radius:14px;padding:14px 12px;text-align:center;word-spacing:4px;color:#222}.safe-hint{font-size:12px;color:var(--sub);margin:12px 2px 0;line-height:1.5}.qr-wrap{display:flex;flex-direction:column;align-items:center;gap:10px;padding:6px 0}.qr{width:190px;height:190px;background:#fff;padding:10px;border:1px solid var(--line);border-radius:14px}.qr-info{font-size:12.5px;color:var(--sub);text-align:center;line-height:1.5}.verify-btn{margin-top:20px;width:100%;border:none;border-radius:14px;padding:14px;font-size:15.5px;font-weight:700;cursor:pointer;background:var(--brand);color:#fff}.verify-btn.done{background:var(--ok-bg);color:#1c7a3e;border:1px solid #b9e8c8}.verify-btn:active{transform:scale(.99)}.info-card{margin-top:18px;background:#f6f6f8;border:1px solid var(--line);border-radius:14px;padding:13px 14px}.info-card .t{font-size:13px;font-weight:700;margin-bottom:5px;display:flex;gap:6px;align-items:center}.info-card .b{font-size:12px;color:var(--sub);line-height:1.5}.onboard{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:34px 30px;text-align:center;background:linear-gradient(180deg,#fff,#f4f8ff)}.onboard .shield{width:84px;height:84px;border-radius:24px;background:linear-gradient(135deg,#0a84ff,#0060df);display:flex;align-items:center;justify-content:center;font-size:42px;color:#fff;box-shadow:0 10px 24px #0a84ff59}.onboard h2{font-size:21px;margin:22px 0 8px}.onboard p{font-size:13.5px;color:var(--sub);line-height:1.55;margin:0 0 8px}.onboard .start{margin-top:26px;background:var(--brand);color:#fff;border:none;padding:14px 30px;border-radius:14px;font-size:15.5px;font-weight:700;cursor:pointer}.onboard .start:active{transform:scale(.99)}.keyvis{display:flex;gap:8px;margin:14px 0;flex-wrap:wrap;justify-content:center}.keyvis .k{font-size:10px;color:var(--brand);background:#eaf3ff;border:1px solid #cfe4ff;padding:6px 9px;border-radius:8px}.field{width:100%;display:flex;flex-direction:column;gap:6px;margin-top:4px}.field label{font-size:12px;color:var(--sub);text-align:left;margin-top:6px}.inp{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 12px;font-size:14px;background:#fff;color:var(--ink);outline:none}.inp:focus{border-color:var(--brand)}.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%);background:#000000d1;color:#fff;font-size:12.5px;padding:9px 16px;border-radius:999px;z-index:999;opacity:0;transition:opacity .25s;pointer-events:none;white-space:nowrap;max-width:90vw;text-align:center}.toast.show{opacity:1}.login-err{margin-top:14px;width:100%;background:#ffecec;color:#c0392b;border:1px solid #f3c2c2;border-radius:12px;padding:10px 12px;font-size:13px;line-height:1.4}.login-busy{margin-top:12px;font-size:13px;color:var(--brand);font-weight:600}.relay-mini{margin-top:16px;font-size:12px;color:var(--sub)}.ver{margin-top:18px;font-size:12px;color:var(--sub);letter-spacing:.3px;opacity:.8}.read-note{margin:8px 12px 0;background:#eef6ff;color:#1558b0;font-size:11.5px;padding:6px 12px;border-radius:10px;line-height:1.3}.statusbar .statuses{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.statusbar .statuses .sep{color:var(--sub);opacity:.5}.statusbar .statuses .self.offline{color:#c0392b}.statusbar .statuses .self.connecting{color:var(--warn)}.statusbar .right{display:inline-flex;align-items:center;gap:8px}.reconnect-btn{border:1px solid var(--line);background:#f2f2f7;color:var(--ink);width:30px;height:30px;border-radius:9px;font-size:15px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;line-height:1}.reconnect-btn:active{transform:scale(.94)}.reconnect-btn.hot{background:var(--brand);color:#fff;border-color:var(--brand);animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{0%{box-shadow:0 0 #0a84ff80}70%{box-shadow:0 0 0 8px #0a84ff00}to{box-shadow:0 0 #0a84ff00}}.clear-btn{border:1px solid var(--line);background:#f2f2f7;color:var(--ink);width:30px;height:30px;border-radius:9px;font-size:15px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;line-height:1}.clear-btn:active{transform:scale(.94)}.statusbar .lockbadge{font-size:13px}.msg .time-chip{display:inline-block;font-size:10px;opacity:.5;margin-left:6px;vertical-align:baseline}.msg.me .time-chip{color:#ffffffd9}.msg.them .time-chip{color:var(--sub)}.msg.undecryptable{background:#f1f1f4;color:var(--sub);font-size:13px;font-style:italic;border:1px dashed var(--line)}.composer .img-btn{border:none;background:#f2f2f7;border-radius:12px;width:42px;font-size:18px;cursor:pointer;flex:0 0 auto}.composer .img-btn:disabled{opacity:.5}.msg.img-msg{padding:6px;background:transparent!important;max-width:70%}.msg.img-msg .chat-img{display:block;max-width:100%;max-height:240px;border-radius:12px;cursor:zoom-in}.msg.img-msg .img-actions{margin-top:4px;text-align:right}.msg.img-msg .img-save{border:none;background:#0000008c;color:#fff;font-size:11px;padding:4px 10px;border-radius:8px;cursor:pointer}.msg.me.img-msg .img-save{background:var(--brand)}.lightbox{position:fixed;inset:0;background:#000000eb;z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px}.lightbox-inner{position:relative;max-width:100%;max-height:100%}.lightbox-inner img{max-width:100%;max-height:90vh;border-radius:8px;display:block}.lightbox-close{position:absolute;top:-14px;right:-14px;width:36px;height:36px;border-radius:50%;border:none;background:#ffffffeb;color:#111;font-size:16px;cursor:pointer}@media (max-width: 480px){#app{padding:0}.phone{max-width:100%;border-radius:0;min-height:100vh;min-height:100dvh;box-shadow:none}.statusbar{position:sticky;top:0;z-index:5}.navbar{position:sticky;top:44px;z-index:4}}@media (max-height: 480px) and (orientation: landscape){.phone{min-height:100vh}.onboard{padding:18px 24px}.onboard .shield{width:56px;height:56px;font-size:28px;border-radius:16px}.onboard h2{margin:12px 0 4px}}.app-shell{width:100%;max-width:1100px;height:min(860px,90vh);background:var(--panel);border-radius:20px;overflow:hidden;box-shadow:0 18px 50px #0000001f;display:flex;margin:20px auto}.side{width:300px;flex:0 0 auto;border-right:1px solid var(--line);background:#fbfbfd;display:flex;flex-direction:column;min-width:0}.side-head{padding:14px 16px;border-bottom:1px solid var(--line);background:#fbfbfdd9;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);display:flex;flex-direction:column;gap:10px}.side-head .brand{font-size:19px;font-weight:700;display:flex;align-items:center;gap:7px;color:var(--ink)}.brand-ico{font-size:22px}.side-actions{display:flex;align-items:center;gap:8px}.self-status{font-size:11.5px;font-weight:600;padding:3px 8px;border-radius:999px;background:#f2f2f7;color:var(--sub);margin-right:auto}.self-status.online{color:var(--ok);background:var(--ok-bg)}.self-status.connecting{color:#8a5a00;background:#fff4e5}.self-status.offline{color:#c0392b;background:#ffecec}.side-list{flex:1;overflow-y:auto}.side-list .conv{border-left:3px solid transparent;border-bottom-color:transparent}.side-list .conv.active{background:#eef5ff;border-left-color:var(--brand)}.side-list .conv:hover{background:#f2f2f7}.side-list .conv.active:hover{background:#eef5ff}.main{flex:1;display:flex;flex-direction:column;min-width:0}.chat-nav{height:56px;padding:0 16px;background:#ffffffd1;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);position:sticky;top:0;z-index:3}.nav-peer{flex:1;min-width:0;display:flex;align-items:center;gap:10px}.nav-peer .avatar{width:34px;height:34px;font-size:14px}.nav-peer-info{min-width:0;display:flex;flex-direction:column;gap:1px}.nav-name{font-weight:600;font-size:15px;line-height:1.2}.nav-sub{font-size:12px;color:var(--sub)}.nav-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.empty-main{display:flex;align-items:center;justify-content:center;background:#fafafa}.empty-chat{text-align:center;color:var(--sub);padding:30px}.empty-chat .shield{width:92px;height:92px;border-radius:26px;background:linear-gradient(135deg,#0a84ff,#0060df);display:flex;align-items:center;justify-content:center;font-size:46px;color:#fff;margin:0 auto 18px;box-shadow:0 10px 24px #0a84ff47}.empty-chat h3{margin:0 0 4px;color:var(--ink);font-size:17px}.empty-chat p{margin:0;font-size:13px}.chat{gap:6px}.msg{box-shadow:0 1px 2px #0000000a;animation:msgIn .18s ease-out}@keyframes msgIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.install{margin-top:12px;background:#34c759}.install-hint{margin-top:14px;font-size:12px;color:var(--sub);max-width:280px;line-height:1.45}.mob-only{display:flex}.desk-only{display:none}@media (max-width: 899px){.app-shell{max-width:100%;height:100vh;height:100dvh;border-radius:0;box-shadow:none;margin:0}.side{width:100%;border-right:none}.main{width:100%}.screen-chatlist .main,.screen-chat .side,.screen-encinfo .side{display:none}.chat-nav .back,.navbar .back{width:36px;padding:0;justify-content:center}}@media (min-width: 900px){.mob-only{display:none!important}.desk-only{display:flex!important}#app{align-items:center;justify-content:center;min-height:100vh;padding:0 16px}.phone{max-height:min(860px,90vh)}.content{scrollbar-width:thin}}@media (prefers-color-scheme: dark){:root{--bg: #0c0c0e;--panel: #1c1c1e;--ink: #f5f5f7;--sub: #8e8e93;--line: #38383a;--brand: #0a84ff;--brand-d: #0060df}body{background:var(--bg);color:var(--ink)}.phone,.app-shell{background:var(--panel)}.side{background:#161618;border-right-color:var(--line)}.side-head{background:#161618d9}.content,.empty-main{background:#121214}.msg.them{background:#2c2c2e;color:var(--ink)}.enc-banner{background:#1a3a25;color:#7ee79a}.enc-banner.warn{background:#3a2a10;color:#ffd275}.composer{background:var(--panel);border-top-color:var(--line)}.inp{background:#2c2c2e;border-color:var(--line);color:var(--ink)}.info-card,.safecode{background:#232325;border-color:var(--line)}.chat-nav,.navbar,.statusbar{background:#1c1c1ed1;border-bottom-color:var(--line)}.onboard{background:linear-gradient(180deg,var(--panel),#121214)}.lightbox-inner img{box-shadow:0 20px 60px #0009}}