:root{--bg:#0e1621;--panel:#17212b;--panel2:#202b36;--text:#f5f7fa;--muted:#8393a3;--blue:#2b9bed;--bubble:#182533;--mine:#2b5278;--line:rgba(255,255,255,.08);--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{height:100%;margin:0;overflow:hidden;background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--text)}button,textarea,input{font:inherit}.hidden{display:none!important}
.boot{position:fixed;inset:0;display:grid;place-content:center;text-align:center;background:radial-gradient(circle at 50% 42%,#1b3447 0,#111b25 35%,#0e1621 68%);z-index:50}.boot-mark{width:72px;height:72px;border-radius:50%;background:linear-gradient(145deg,#37aee2,#1e96c8);margin:auto;display:grid;place-items:center;box-shadow:0 15px 50px rgba(43,155,237,.25)}.boot-mark span{width:30px;height:30px;border:3px solid #fff;border-top-color:transparent;border-radius:50%;animation:spin .8s linear infinite}.boot h1{font-size:24px;margin:20px 0 7px}.boot p{color:var(--muted);font-size:14px;margin:0}@keyframes spin{to{transform:rotate(360deg)}}
.app{height:100dvh;display:grid;grid-template-rows:auto 1fr auto;background:var(--bg);position:relative;max-width:900px;margin:auto;box-shadow:0 0 80px rgba(0,0,0,.32)}
.topbar{height:calc(58px + var(--safe-top));padding:var(--safe-top) 8px 0;display:flex;align-items:center;background:rgba(23,33,43,.96);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);z-index:10}.icon-btn{width:44px;height:44px;border:0;background:transparent;color:#abb9c5;display:grid;place-items:center;border-radius:50%}.icon-btn:active{background:rgba(255,255,255,.08);transform:scale(.95)}.icon-btn svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.room-avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(150deg,#51b5e8,#1976b9);display:grid;place-items:center;font-weight:700;font-size:19px;position:relative;flex:0 0 auto}.room-avatar i{position:absolute;right:0;bottom:1px;width:11px;height:11px;background:#31c56f;border:2px solid var(--panel);border-radius:50%}.room-meta{min-width:0;flex:1;padding-left:11px;display:flex;flex-direction:column}.room-meta strong{font-size:16px;line-height:21px}.room-meta span{font-size:13px;color:var(--muted);white-space:nowrap}.room-meta .connected{color:#62aee8}
.search-bar{position:absolute;top:calc(58px + var(--safe-top));left:0;right:0;height:54px;background:var(--panel);z-index:12;display:flex;align-items:center;padding:7px 12px;gap:9px;border-bottom:1px solid var(--line)}.search-bar svg{width:20px;fill:none;stroke:#7f91a3;stroke-width:2}.search-bar input{flex:1;background:#0f1a24;border:0;border-radius:9px;height:38px;color:#fff;padding:0 12px;font-size:16px;outline:0}.search-bar button{border:0;background:transparent;color:var(--blue);padding:10px 4px}
.messages{overflow-y:auto;overscroll-behavior:contain;padding:12px 12px 14px;background-color:#0e1621;background-image:radial-gradient(circle at 18% 13%,rgba(73,115,145,.07) 0 1px,transparent 1.5px),radial-gradient(circle at 74% 69%,rgba(85,130,158,.055) 0 1px,transparent 1.5px);background-size:34px 34px,42px 42px;scrollbar-width:thin;scrollbar-color:#344657 transparent}.day-pill{width:max-content;margin:3px auto 12px;padding:5px 12px;background:rgba(34,50,64,.86);border-radius:15px;color:#b8c5d0;font-size:12px;font-weight:600;box-shadow:0 2px 8px rgba(0,0,0,.15)}.security-note{display:flex;max-width:520px;margin:0 auto 17px;padding:11px 13px;border-radius:11px;background:rgba(31,61,78,.78);color:#a8c8d9;gap:10px;font-size:12px;line-height:1.35}.security-note .lock{color:#62b7e8;font-size:18px}.security-note strong{display:block;color:#d6eaf5;margin-bottom:2px}.security-note p{margin:0}
.load-more{display:block;margin:4px auto 12px;border:0;background:rgba(34,50,64,.85);color:#73b7e5;border-radius:17px;padding:7px 14px;font-size:12px}.security-note{width:min(100%,520px);border:1px solid rgba(95,186,234,.12);text-align:left;align-items:center;cursor:pointer}.security-note>div{flex:1}.security-note>svg{width:18px;height:18px;fill:none;stroke:#7190a4;stroke-width:2;flex:0 0 auto}.security-note:active{transform:scale(.99);background:rgba(36,70,89,.86)}.message-row{display:flex;align-items:flex-end;gap:7px;margin:3px 0;animation:message-in .18s ease-out both}.message-row.mine{justify-content:flex-end}.message-row.grouped{margin-top:1px}.avatar{width:34px;height:34px;border-radius:50%;flex:0 0 auto;object-fit:cover;background:#3c718d;display:grid;place-items:center;font-size:13px;font-weight:700;color:white}.grouped .avatar{visibility:hidden}.bubble{position:relative;max-width:min(74%,580px);min-width:86px;padding:7px 10px 5px;border-radius:13px 13px 13px 4px;background:var(--bubble);box-shadow:0 1px 1px rgba(0,0,0,.25);overflow-wrap:anywhere}.mine .bubble{background:var(--mine);border-radius:13px 13px 4px 13px}.sender{display:block;font-size:13px;font-weight:650;color:#60b9e8;margin:0 0 3px}.mine .sender{display:none}.text{white-space:pre-wrap;font-size:15px;line-height:1.36;color:#f2f5f7}.stamp{float:right;margin:6px 0 0 9px;font-size:10.5px;color:#96a7b5;line-height:1}.mine .stamp{color:#b1ccde}.checks{color:#62b7e8;margin-left:3px;font-weight:700;letter-spacing:-3px}.reply-preview{border-left:2px solid #55aee2;background:rgba(0,0,0,.12);padding:5px 7px;margin:0 0 6px;border-radius:3px 6px 6px 3px;font-size:12px;display:flex;flex-direction:column}.reply-preview strong{color:#6fc0ef}.reply-preview span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#b7c3cc}.message-row.highlight .bubble{animation:highlight 1.2s ease}@keyframes message-in{from{opacity:0;transform:translateY(6px) scale(.98)}}@keyframes highlight{20%,60%{box-shadow:0 0 0 3px rgba(64,169,234,.55)}}
.typing{display:flex;align-items:center;gap:3px;margin:7px 0 2px 42px;width:max-content;padding:9px 12px;border-radius:14px 14px 14px 4px;background:var(--bubble)}.typing span{width:5px;height:5px;border-radius:50%;background:#6f8292;animation:bounce 1s infinite}.typing span:nth-child(2){animation-delay:.15s}.typing span:nth-child(3){animation-delay:.3s}.typing em{font-size:11px;color:#7e91a1;font-style:normal;margin-left:5px}@keyframes bounce{40%{transform:translateY(-4px);background:#9babb7}}
.composer{min-height:calc(56px + var(--safe-bottom));padding:7px 8px calc(7px + var(--safe-bottom));display:flex;align-items:flex-end;gap:6px;background:var(--panel);border-top:1px solid var(--line);z-index:10}.attach,.send{width:42px;height:42px;border-radius:50%;border:0;display:grid;place-items:center;flex:0 0 auto}.attach{background:transparent;color:#8fa0af}.attach svg,.send svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.input-wrap{min-height:42px;flex:1;border-radius:21px;background:#242f3d;display:flex;align-items:flex-end;padding:6px 5px 6px 15px}.input-wrap textarea{border:0;outline:0;resize:none;background:transparent;color:#fff;flex:1;max-height:124px;line-height:22px;font-size:16px;padding:4px 0;overflow-y:auto}.input-wrap textarea::placeholder{color:#8493a0}.emoji{width:34px;height:34px;border:0;background:transparent;color:#8c9aa6;font-size:23px;border-radius:50%}.send{background:var(--blue);color:white;transition:.18s transform,.18s opacity}.send:active{transform:scale(.9)}.send svg{fill:currentColor;stroke:currentColor;width:21px}.send.disabled{opacity:.45}
.send svg{fill:currentColor;stroke:none;width:23px;height:23px}.send{box-shadow:0 4px 14px rgba(43,155,237,.24)}
.reply-bar{position:absolute;left:0;right:0;bottom:calc(56px + var(--safe-bottom));min-height:52px;background:var(--panel);border-top:1px solid var(--line);display:flex;align-items:center;padding:7px 13px 7px 58px;z-index:9}.reply-bar:before{content:"";position:absolute;left:48px;top:8px;bottom:8px;width:2px;background:var(--blue)}.reply-bar div{display:flex;flex-direction:column;min-width:0;flex:1}.reply-bar strong{font-size:13px;color:#62b7e8}.reply-bar span{font-size:13px;color:#9daab5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reply-bar button{border:0;background:transparent;color:#8d9ba7;font-size:27px;width:40px}.jump-bottom{position:absolute;right:14px;bottom:calc(70px + var(--safe-bottom));width:42px;height:42px;border:0;border-radius:50%;background:#263645;color:#9db0bf;box-shadow:0 3px 14px rgba(0,0,0,.4);display:grid;place-items:center}.jump-bottom svg{width:23px;fill:none;stroke:currentColor;stroke-width:2}.jump-bottom i{position:absolute;right:1px;top:0;width:10px;height:10px;border-radius:50%;background:var(--blue);border:2px solid var(--panel)}
.modal{position:fixed;inset:0;background:rgba(5,10,15,.88);backdrop-filter:blur(12px);z-index:40;display:grid;place-items:center;padding:24px}.modal-card{width:min(100%,390px);text-align:center;background:#17232f;border:1px solid rgba(255,255,255,.08);border-radius:22px;padding:30px 24px;box-shadow:0 24px 80px rgba(0,0,0,.5)}.shield{margin:auto;width:58px;height:58px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(145deg,#2ea7ec,#247bb4);font-size:23px;transform:rotate(45deg);color:white}.shield::first-letter{transform:rotate(-45deg)}.modal h2{font-size:20px;margin:23px 0 9px}.modal p{font-size:14px;line-height:1.5;color:#99a9b6;margin:0}.modal small{display:block;color:#657786;margin-top:18px;font-family:monospace}.waiting{display:flex;justify-content:center;gap:6px;margin:22px}.waiting i{width:7px;height:7px;background:#4ca9df;border-radius:50%;animation:bounce 1s infinite}.waiting i:nth-child(2){animation-delay:.15s}.waiting i:nth-child(3){animation-delay:.3s}
.toast{position:fixed;left:50%;bottom:calc(78px + var(--safe-bottom));transform:translateX(-50%);z-index:60;background:rgba(30,43,55,.96);color:#eaf1f5;padding:9px 15px;border-radius:18px;font-size:13px;box-shadow:0 6px 24px rgba(0,0,0,.4);white-space:nowrap}
.role-badge{font-size:8px;margin-left:6px;padding:2px 4px;border-radius:4px;vertical-align:1px;letter-spacing:.35px;background:rgba(69,199,119,.14);color:#45c777}.role-moderator{color:#65aee4;background:rgba(101,174,228,.12)}.system-line{width:max-content;max-width:85%;margin:10px auto;padding:5px 11px;border-radius:14px;background:rgba(35,52,66,.86);color:#9baab6;font-size:11px;text-align:center}
.emoji-tray{position:absolute;left:8px;right:8px;bottom:calc(62px + var(--safe-bottom));z-index:18;display:grid;grid-template-columns:repeat(9,1fr);gap:2px;padding:9px;border-radius:14px;background:rgba(32,43,54,.98);border:1px solid var(--line);box-shadow:0 14px 35px rgba(0,0,0,.45)}.emoji-tray button{height:38px;border:0;border-radius:8px;background:transparent;font-size:22px}.emoji-tray button:active{background:rgba(255,255,255,.09);transform:scale(.9)}
.settings{position:fixed;inset:0;z-index:35;background:var(--bg);max-width:900px;margin:auto;display:grid;grid-template-rows:auto 1fr;animation:sheet-in .24s cubic-bezier(.2,.8,.2,1)}@keyframes sheet-in{from{transform:translateX(18%);opacity:.5}}.settings-head{height:calc(58px + var(--safe-top));padding:var(--safe-top) 8px 0;display:flex;align-items:center;gap:5px;background:var(--panel);border-bottom:1px solid var(--line)}.settings-head strong{flex:1;font-size:17px}.text-btn{height:44px;border:0;background:transparent;color:var(--blue);font-weight:600;padding:0 12px}.settings-scroll{overflow-y:auto;padding-bottom:calc(30px + var(--safe-bottom));overscroll-behavior:contain}.group-hero{text-align:center;padding:24px 20px 22px;background:linear-gradient(180deg,#172531,#111c26);border-bottom:1px solid var(--line)}.group-avatar{width:82px;height:82px;margin:auto;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#47b4e9,#1978b7);box-shadow:0 12px 34px rgba(26,135,198,.25);font-size:34px;font-weight:750}.group-hero h2{font-size:22px;margin:14px 0 3px}.group-hero p{font-size:13px;color:#56ace1;margin:0}.group-hero span{display:block;max-width:520px;margin:12px auto 0;color:#94a4b1;font-size:14px;line-height:1.45}.settings-card,.settings-section,.settings-help{margin:12px;background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden}.settings-card{padding:15px;display:grid;gap:15px}.settings-card label{display:grid;gap:7px;color:#91a3b1;font-size:12px}.settings-card input,.settings-card textarea,.settings-card select{width:100%;border:1px solid #344655;border-radius:10px;background:#101a24;color:#f3f6f8;font-size:16px;padding:11px 12px;outline:0}.settings-card textarea{resize:vertical}.settings-card input:focus,.settings-card textarea:focus,.settings-card select:focus{border-color:var(--blue);box-shadow:0 0 0 2px rgba(43,155,237,.15)}.switch-row{grid-template-columns:1fr auto!important;align-items:center}.switch-row span{display:flex;flex-direction:column;gap:3px}.switch-row b{color:#edf3f6;font-size:14px}.switch-row small{color:#758897}.switch-row input{position:absolute;opacity:0;pointer-events:none}.switch-row i{width:44px;height:25px;border-radius:14px;background:#3b4a57;position:relative;transition:.2s}.switch-row i:after{content:"";position:absolute;left:3px;top:3px;width:19px;height:19px;border-radius:50%;background:white;transition:.2s}.switch-row input:checked+i{background:var(--blue)}.switch-row input:checked+i:after{transform:translateX(19px)}.primary-btn{height:44px;border:0;border-radius:10px;background:var(--blue);color:#fff;font-weight:700}.section-title{height:43px;display:flex;align-items:center;padding:0 14px;border-bottom:1px solid var(--line)}.section-title strong{flex:1;font-size:13px;color:#8ba0b0;text-transform:uppercase;letter-spacing:.5px}.section-title span{color:#748694;font-size:12px}.member-row{min-height:62px;display:flex;align-items:center;gap:11px;padding:8px 12px;border-bottom:1px solid var(--line)}.member-row:last-child{border-bottom:0}.member-row>img,.member-row>span{width:42px;height:42px;border-radius:50%;object-fit:cover;display:grid;place-items:center;color:#fff;font-weight:700;flex:0 0 auto}.member-row>div{min-width:0;flex:1;display:flex;flex-direction:column;gap:3px}.member-row strong{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.member-row .admin-name{color:#45c777}.member-row small{font-size:12px;color:#7f91a0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.member-role{font-size:9px;color:#45c777;letter-spacing:.35px}.role-select{max-width:135px;border:1px solid #344655;border-radius:8px;background:#111c26;color:#cdd8df;padding:8px 5px;font-size:12px}.unban-btn{border:0;border-radius:8px;background:rgba(43,155,237,.13);color:#61b6e9;padding:9px 10px;font-size:12px}.settings-help{padding:14px}.settings-help strong{font-size:13px;color:#a9bac6}.settings-help p{font-size:13px;line-height:1.45;color:#7f919f;margin:7px 0 0}.settings-help code{color:#67b8e8;background:#101a24;padding:2px 4px;border-radius:4px}
.security-card{width:calc(100% - 24px);min-height:66px;margin:12px;padding:10px 13px;border:1px solid rgba(74,174,228,.16);border-radius:14px;background:linear-gradient(135deg,rgba(31,62,79,.9),rgba(23,33,43,.95));color:var(--text);display:flex;align-items:center;gap:11px;text-align:left}.security-card:active{transform:scale(.99)}.security-card .security-icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:rgba(58,171,229,.14);color:#62bbe9}.security-card>span:nth-child(2){display:flex;flex:1;min-width:0;flex-direction:column;gap:3px}.security-card strong{font-size:14px}.security-card small{font-size:12px;color:#67b7e5}.security-card svg{width:19px;height:19px;fill:none;stroke:#718797;stroke-width:2}.security-modal-card{position:relative;text-align:left;padding:28px 22px 20px}.security-modal-card .shield{margin-bottom:24px}.security-modal-card h2{text-align:center;margin:0 0 8px}.security-modal-card .security-lead{text-align:center;margin:0 auto 21px;max-width:310px}.modal-close{position:absolute;right:10px;top:9px;width:40px;height:40px;border:0;border-radius:50%;background:transparent;color:#8d9ca8;font-size:27px}.security-points{display:grid;gap:10px;margin-bottom:20px}.security-points>div{display:flex;gap:11px;padding:11px;border-radius:11px;background:#111c26;border:1px solid var(--line)}.security-points b{width:25px;height:25px;display:grid;place-items:center;border-radius:8px;background:rgba(43,155,237,.14);color:#65b9ea;font-size:12px;flex:0 0 auto}.security-points span{display:flex;flex-direction:column;gap:3px}.security-points strong{font-size:13px}.security-points small{color:#8394a2;font-size:11.5px;line-height:1.35}.security-modal-card>.primary-btn{width:100%}
.action-backdrop{position:fixed;inset:0;z-index:55;background:rgba(4,9,14,.56);backdrop-filter:blur(3px);display:flex;align-items:flex-end;justify-content:center;padding:12px 12px calc(12px + var(--safe-bottom));animation:fade-in .16s ease}.action-sheet{width:min(100%,520px);overflow:hidden;border:1px solid rgba(255,255,255,.09);border-radius:18px;background:#1b2733;box-shadow:0 18px 60px rgba(0,0,0,.52);animation:action-up .22s cubic-bezier(.2,.8,.2,1)}.action-preview{padding:13px 16px;background:#14202a;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:3px}.action-preview strong{font-size:12px;color:#62b8e8}.action-preview span{font-size:13px;color:#9cacb8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.action-sheet>button{width:100%;height:52px;border:0;border-bottom:1px solid var(--line);background:transparent;color:#e8eef2;display:flex;align-items:center;gap:13px;padding:0 17px;text-align:left;font-size:15px}.action-sheet>button:active{background:rgba(255,255,255,.06)}.action-sheet>button span{width:23px;color:#78a8c6;font-size:20px;text-align:center}.action-sheet>.danger{color:#ef6a70}.action-sheet>.danger span{color:#ef6a70}.action-sheet>.cancel-action{justify-content:center;color:#94a6b3;border-bottom:0;font-weight:650}.typing-status{color:#62b7e8!important}@keyframes action-up{from{transform:translateY(24px);opacity:.5}}@keyframes fade-in{from{opacity:0}}
@media(max-width:430px){.bubble{max-width:82%}.emoji-tray{grid-template-columns:repeat(6,1fr)}.settings-card,.settings-section,.settings-help{margin-left:8px;margin-right:8px}.security-card{width:calc(100% - 16px);margin-left:8px;margin-right:8px}.security-note{margin-left:4px;margin-right:4px}.security-modal{padding:14px}.security-modal-card{padding:25px 16px 16px}}
@media(min-width:700px){body{background:#0a1118}.app,.settings{border-left:1px solid #263442;border-right:1px solid #263442}.bubble{max-width:62%}.messages{padding-left:24px;padding-right:24px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* Visual system refinement */
:root{--panel:#18232e;--bubble:#192837;--mine:#2d5d86;--line:rgba(154,184,205,.11)}
.app{max-width:760px}
.topbar{box-shadow:0 4px 18px rgba(3,9,14,.16)}
.room-meta strong{font-weight:720;letter-spacing:-.15px}.room-meta span{line-height:17px}
.messages{padding-top:9px;background-image:radial-gradient(circle at 20% 22%,rgba(86,139,173,.075) 0 1px,transparent 1.25px),radial-gradient(circle at 77% 64%,rgba(80,129,160,.06) 0 1px,transparent 1.25px);background-size:32px 32px,44px 44px}
.day-pill{margin-bottom:10px;padding:4px 11px;background:rgba(38,57,72,.82);border:1px solid rgba(255,255,255,.035);box-shadow:0 2px 10px rgba(0,0,0,.12)}
.security-note{max-width:430px;margin-bottom:13px;padding:9px 11px;border-radius:12px;background:rgba(29,57,74,.68);border-color:rgba(94,177,220,.16);gap:9px}.security-note .lock{width:31px;height:31px;border-radius:9px;background:rgba(64,170,225,.13);display:grid;place-items:center;flex:0 0 auto}.security-note .lock svg{width:17px;height:17px;fill:none;stroke:#67bce9;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.security-note strong{margin:0;font-size:12.5px}.security-note p{font-size:11.5px;color:#8eb3c8;margin-top:1px}
.message-row{gap:7px;margin:4px 0}.avatar{width:32px;height:32px;font-size:12px;box-shadow:0 1px 4px rgba(0,0,0,.2)}
.bubble{max-width:min(76%,560px);padding:7px 10px 5px;border-radius:14px 14px 14px 5px;box-shadow:0 1px 2px rgba(0,0,0,.24);border:1px solid rgba(255,255,255,.018)}.mine .bubble{border-radius:14px 14px 5px 14px}.sender{margin-bottom:2px}.text{line-height:1.34}.stamp{margin-top:7px}
.composer{padding-top:6px;padding-bottom:calc(6px + var(--safe-bottom));background:rgba(24,35,46,.98);box-shadow:0 -4px 18px rgba(2,8,13,.12)}.input-wrap{background:#222f3c;border:1px solid rgba(255,255,255,.035)}.send{width:43px;height:43px;box-shadow:0 5px 16px rgba(43,155,237,.28)}
.settings{max-width:760px}.group-hero{padding-top:22px;background:radial-gradient(circle at 50% 0,rgba(44,142,198,.11),transparent 52%),linear-gradient(180deg,#182834,#111c26)}.group-avatar{box-shadow:0 12px 34px rgba(26,135,198,.2);border:1px solid rgba(255,255,255,.1)}
.settings-card,.settings-section,.settings-help{box-shadow:0 5px 18px rgba(3,9,14,.08)}
.settings-help{border-color:rgba(84,161,202,.14);background:linear-gradient(135deg,rgba(25,42,55,.95),rgba(22,33,43,.95))}.settings-help strong{color:#c4d4de}.settings-help p{color:#8da0ad}
.security-card .security-icon svg{width:20px;height:20px;fill:none;stroke:#62bbe9;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.shield{transform:none;border-radius:18px}.shield svg{width:29px;height:29px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.action-sheet>button span{height:23px;display:grid;place-items:center}.action-sheet>button span svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.action-preview{padding-top:14px;padding-bottom:14px}
.icon-btn:focus-visible,.text-btn:focus-visible,.security-note:focus-visible,.security-card:focus-visible,.action-sheet>button:focus-visible,.send:focus-visible{outline:2px solid #67bceb;outline-offset:-2px}
@media(max-width:430px){.messages{padding-left:10px;padding-right:10px}.bubble{max-width:84%}.security-note{margin-left:6px;margin-right:6px}.room-meta{padding-left:9px}.room-avatar{width:40px;height:40px}}
.security-points small{font-family:inherit;margin:0}
.attachment-preview{position:absolute;left:8px;right:8px;bottom:calc(62px + var(--safe-bottom));z-index:19;display:flex;align-items:center;background:#1b3041;border:1px solid var(--line);border-radius:12px;padding:8px 12px;gap:10px;font-size:13px}.attachment-preview span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attachment-preview button{background:none;border:0;color:#94b2c7;font-size:24px;width:36px;height:36px}.attachment-download{display:block;background:rgba(86,155,200,.12);color:#c6e6fb;border:1px solid rgba(120,180,210,.15);border-radius:10px;max-width:100%;padding:12px;margin-bottom:5px;text-align:left;font-size:13px;overflow-wrap:anywhere}.chat-attachment{display:block;width:100%;max-width:340px;max-height:360px;object-fit:contain;border-radius:10px;margin:5px 0;color:#7ecafa}.recording{color:#ee6e79!important;background:rgba(220,75,90,.12)!important}.composer .icon-btn{width:34px;flex:0 0 34px}.input-wrap textarea{min-width:0}audio.chat-attachment{min-width:180px;height:48px}
.mention-picker{position:absolute;bottom:calc(62px + var(--safe-bottom));left:8px;right:8px;z-index:20;background:#1b2a36;border:1px solid var(--line);border-radius:14px;max-height:240px;overflow:auto;box-shadow:0 10px 30px #0006}.mention-picker button{display:block;width:100%;min-height:46px;text-align:left;background:none;border:0;border-bottom:1px solid var(--line);padding:12px;color:#d7eaf6}.mention-link{font:inherit;color:#72c4f3;border:0;background:none;padding:0;cursor:pointer}.member-search{display:block;width:calc(100% - 24px);margin:12px;border:1px solid #344655;background:#101a24;color:#fff;border-radius:10px;padding:11px;font-size:16px}.pinned-bar{display:block;position:sticky;top:0;z-index:5;width:100%;min-height:44px;max-height:65px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left;padding:11px 14px;background:#1b3041;border:0;border-left:3px solid #55b1e8;color:#b8dcf3;border-radius:8px;margin-bottom:12px;font-size:13px}.receipt{color:#70bfe9}.send.loading{opacity:.5;animation:pulse-send 1s infinite}@keyframes pulse-send{50%{opacity:.85}}
.profile-card{max-height:calc(100dvh - 48px);overflow:auto;z-index:1}.profile-card .access-avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}.profile-tag{text-align:center;margin:12px 0}.profile-card dl{padding:14px;background:#111c26;border-radius:12px}.profile-card dt{color:#8198a9;font-size:12px;margin:12px 0 4px}.profile-card dt:first-child{margin-top:0}.profile-card dd{margin:0;font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere}.profile-card textarea{width:100%;background:#111c26;border:1px solid #344655;border-radius:10px;color:#fff;padding:10px;font-size:16px;resize:vertical}.profile-card .primary-btn{width:100%;margin-top:8px}.reaction-person{display:block;width:100%;min-height:48px;text-align:left;background:transparent;border:0;border-bottom:1px solid var(--line);color:#e5edf2;padding:12px;cursor:pointer}#reactionMembersList{max-height:55dvh;overflow:auto;margin-top:18px}#profileModal{z-index:57}
.reaction-picker{display:flex;justify-content:space-between;padding:10px 8px;gap:2px;border-bottom:1px solid var(--line);background:#20303e}.reaction-picker button{border:0;background:transparent;min-width:32px;height:44px;border-radius:12px;font-size:24px;cursor:pointer}.reaction-picker button:active{background:rgba(43,155,237,.2);transform:scale(.9)}.reaction-chips{display:flex;flex-wrap:wrap;gap:5px;clear:both;padding-top:6px;padding-bottom:2px}.reaction-chips button{border:1px solid rgba(111,160,193,.14);border-radius:14px;padding:4px 9px;background:rgba(72,110,139,.15);color:#b9d2e1;font-size:13px;font-weight:650;min-height:29px;cursor:pointer}.reaction-chips button.selected{background:rgba(63,165,232,.26);border-color:#4d9ed2;color:#e6f5ff}.reaction-chips button:active{transform:scale(.95)}
.room-avatar,.group-avatar{background:#000}.room-avatar img,.group-avatar img{display:block;width:100%;height:100%;object-fit:cover;border-radius:50%}
.message-row,.message-row *{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.message-row{touch-action:pan-y}
.role-badge,.member-role{font-size:8px;font-weight:800;line-height:1;margin-left:6px;padding:3px 5px;border-radius:5px;vertical-align:1px;letter-spacing:.42px;white-space:nowrap}.tag-owner{color:#eef2f4!important;background:#06080a!important;border:1px solid #45505a!important;box-shadow:inset 0 0 0 1px rgba(255,255,255,.025)}.tag-admin{color:#51d185!important;background:rgba(45,168,96,.14)!important;border:1px solid rgba(69,199,119,.24)!important}.tag-member{color:#a9b5be!important;background:rgba(145,158,168,.1)!important;border:1px solid rgba(159,174,184,.18)!important}
.member-edit{width:40px;height:40px;border:0;border-radius:50%;background:transparent;color:#7d96a8;display:grid;place-items:center}.member-edit:active{background:rgba(255,255,255,.06);transform:scale(.94)}.member-edit svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.access-card{position:relative;text-align:left;padding:24px 18px 18px}.access-avatar{width:64px;height:64px;margin:0 auto 12px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:22px;font-weight:750;box-shadow:0 8px 24px rgba(0,0,0,.22)}.access-card h2{text-align:center;margin:0 42px 3px}.access-username{text-align:center!important;min-height:20px;margin:0 0 18px!important}.access-field{display:grid;gap:7px;color:#91a3b1;font-size:12px;margin-bottom:13px}.access-field select{width:100%;height:44px;border:1px solid #344655;border-radius:10px;background:#101a24;color:#f3f6f8;font-size:16px;padding:0 11px;outline:0}.permission-list{overflow:hidden;margin-bottom:16px;border:1px solid var(--line);border-radius:13px;background:#111c26}.permission-list label{min-height:61px;padding:9px 12px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px;border-bottom:1px solid var(--line)}.permission-list label:last-child{border-bottom:0}.permission-list span{display:flex;flex-direction:column;gap:3px}.permission-list strong{font-size:13px}.permission-list small{font-family:inherit;margin:0;color:#7f919f;font-size:11.5px;line-height:1.3}.permission-list input{position:absolute;opacity:0;pointer-events:none}.permission-list i{width:44px;height:25px;border-radius:14px;background:#3b4a57;position:relative;transition:.2s}.permission-list i:after{content:"";position:absolute;left:3px;top:3px;width:19px;height:19px;border-radius:50%;background:#fff;transition:.2s}.permission-list input:checked+i{background:var(--blue)}.permission-list input:checked+i:after{transform:translateX(19px)}.access-card>.primary-btn{width:100%}
@media(max-width:430px){.access-card{padding:22px 14px 14px}.permission-list label{padding-left:11px;padding-right:11px}}
#searchBar input{min-width:0;flex:1}#searchCount{font-size:12px;color:#91a6b5}#searchPrev,#searchNext{min-width:32px}#extrasPanel{z-index:90}#extrasList p{padding:12px;border-bottom:1px solid #283a46;font-size:13px;overflow-wrap:anywhere}#extrasList .attachment-download{display:block;margin:12px 0;width:100%}.jump-bottom i{min-width:20px;height:20px;padding:0 4px;border-radius:12px;background:#4caccf;color:#fff;font-size:11px;font-style:normal}
.unread-divider{text-align:center;padding:7px 12px;margin:12px 0;color:#92cbe7;background:#173443;font-size:12px;clear:both}
/* Unified mobile-first conversation surfaces. */
:root{--bg:#101820;--panel:#19252f;--bubble:#20313f;--mine:#28577a;--muted:#98aab8;--blue:#60b7ed}
html{color-scheme:dark}button{cursor:pointer;touch-action:manipulation}button:disabled{cursor:wait}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid #7fcaf5;outline-offset:2px}
.app{min-height:0;isolation:isolate}.messages{min-height:0;scroll-padding-top:70px;scroll-padding-bottom:16px}.topbar{gap:2px}.room-meta strong,.room-meta span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.room-meta strong{font-weight:700}.room-meta span{font-size:12px}.room-avatar i{display:none}
.security-note{padding:8px 11px;box-shadow:none;background:#192f3c}.security-note strong{font-weight:600}.security-note p{color:#a1bdcc}
.bubble{padding:9px 11px 7px;border:1px solid rgba(171,204,225,.04);box-shadow:0 1px 2px #0002;line-height:1.45}.bubble .text{font-size:15px;line-height:1.48;white-space:pre-wrap}.sender{font-weight:650;line-height:1.45}.stamp{color:#a5b5c2;font-size:10px;margin-left:10px}.mine .stamp{color:#b3c8d8}.role-badge{font-size:8px;vertical-align:middle}.reply-preview{border-radius:5px;padding:6px 9px;margin-bottom:7px;background:#ffffff07}
.composer{gap:5px;padding-left:7px;padding-right:7px;box-shadow:0 -1px 0 var(--line)}.composer .icon-btn{width:40px;height:44px;flex-basis:40px}.input-wrap{min-width:0}.input-wrap textarea{font-size:16px;line-height:1.4}.send{flex-shrink:0}.emoji-tray button{min-height:44px}.toast{max-width:calc(100vw - 28px);white-space:normal;overflow-wrap:anywhere;text-align:center;line-height:1.4}
.settings,.app{max-width:760px}.settings-head,.settings-header{height:calc(58px + var(--safe-top));padding:var(--safe-top) 8px 0;display:flex;align-items:center;gap:8px;background:var(--panel);border-bottom:1px solid var(--line)}.settings-head strong,.settings-header strong{flex:1;font-size:16px;font-weight:650}.settings-header .icon-btn{font-size:24px}.settings-scroll{min-height:0}.group-hero{padding:24px 20px;background:#15222c}.group-avatar{box-shadow:none;width:76px;height:76px}.group-hero h2{font-size:23px;letter-spacing:-.4px}.group-hero span{color:#a5b7c4}.settings-card,.settings-section,.settings-help{border-radius:16px;border-color:#a5c7df12}.section-title strong{text-transform:none;letter-spacing:0;font-size:14px;color:#bccbd6}.member-row{min-height:66px;padding:10px 14px}.member-row small{color:#9caebd}.member-role{flex-shrink:0}.member-edit{width:44px;height:44px}.settings-help p{color:#9caebd}
.modal{padding:18px;background:#050b12b3;backdrop-filter:blur(7px)}.modal-card{border-radius:22px;max-height:calc(100dvh - 36px - var(--safe-top) - var(--safe-bottom));overflow:auto;box-shadow:0 24px 70px #0005}.profile-card dl{text-align:left}.profile-card dd{font-variant-numeric:tabular-nums}.profile-card dt{color:#9eb1bf}.access-card{padding:24px 18px 18px}.permission-list small{color:#a0b1bd}.permission-list input:focus-visible+i,.switch-row input:focus-visible+i{outline:2px solid #7fcaf5;outline-offset:3px}.reaction-person{padding:14px;min-height:52px}.reaction-picker{overflow-x:auto;justify-content:space-evenly}.reaction-picker button{flex:0 0 40px;min-width:40px;height:46px}.reaction-chips button{min-height:32px;padding:5px 10px}
.action-sheet{max-height:calc(100dvh - 36px - var(--safe-top));overflow:auto;background:#1b2935}.action-preview span{color:#b2c2ce}.action-sheet>button{min-height:52px}.attachment-download{background:#25435555;border-color:#7faecc22;min-height:48px;line-height:1.4}.chat-attachment{background:#0e1a23}.pinned-bar{background:#1d3444;color:#c7dfef;box-shadow:0 3px 10px #0002}.jump-bottom{width:46px;height:46px;background:#263f52}.jump-bottom i{top:-5px;right:-3px;width:auto;min-width:20px;height:20px;display:grid;place-items:center;border:2px solid var(--bg)}.jump-bottom i:empty{display:none}
#extrasList{padding:14px 14px calc(24px + var(--safe-bottom))}#extrasList p{margin:0 0 9px;padding:14px;background:var(--panel);border:1px solid var(--line);border-radius:12px;line-height:1.55;color:#bdcdd8}#extrasList .attachment-download{margin:0 0 10px;padding:15px}#extrasList .chat-attachment{margin:8px auto 18px}
@media(max-width:480px){.search-bar{height:auto;min-height:54px;display:grid;grid-template-columns:20px minmax(0,1fr) auto;gap:5px;padding:8px 10px}.search-bar input{width:100%;grid-column:2}.search-bar #searchClose{grid-column:3;grid-row:1}.search-bar #searchCount{grid-column:1 / 3;grid-row:2;padding-left:28px}.search-bar #searchPrev,.search-bar #searchNext{grid-row:2;min-height:36px;min-width:36px;justify-self:end}.search-bar #searchPrev{grid-column:2;margin-right:38px}.search-bar #searchNext{grid-column:3}.bubble{max-width:calc(100% - 45px)}.mine .bubble{max-width:88%}.composer{gap:3px}.composer .icon-btn{width:36px;flex-basis:36px}.security-note{width:100%;margin:0 0 13px}.modal{padding:12px}.action-backdrop{padding:8px 8px calc(8px + var(--safe-bottom))}.action-sheet{border-radius:20px}.settings-card,.settings-section,.settings-help{margin:10px}.profile-card h2{font-size:21px}audio.chat-attachment{min-width:0;max-width:100%}}
@media(hover:hover){.icon-btn:hover,.text-btn:hover,.member-edit:hover{background:#ffffff08}.action-sheet>button:hover,.reaction-person:hover,.mention-picker button:hover{background:#ffffff06}.attachment-download:hover{border-color:#75b9e866}.reaction-picker button:hover{background:#ffffff0a}}
@media(prefers-reduced-motion:no-preference){button{transition:background-color .18s,border-color .18s,color .18s,transform .18s}.modal-card{animation:surface-in .22s ease-out}@keyframes surface-in{from{opacity:0;transform:translateY(10px) scale(.985)}to{opacity:1;transform:none}}}
.primary-btn{background:#247cad;color:#fff}.primary-btn:hover{background:#1f709e}.primary-btn:active{background:#1a638e}
.app,.settings{height:var(--visible-height,100dvh);bottom:auto}.attachment-preview{flex-wrap:wrap}#uploadStatus{flex-basis:100%;font-size:12px;color:#b5d9ed;padding-bottom:3px}.media-viewer{position:fixed;inset:0;margin:0;width:100vw;max-width:none;height:100dvh;max-height:none;border:0;padding:0;background:#070c12;color:#fff;overflow:auto}.media-viewer::backdrop{background:#000c}.media-viewer[open]{display:flex;flex-direction:column}.media-viewer header{position:sticky;top:0;z-index:1;display:flex;align-items:center;gap:10px;padding:calc(8px + var(--safe-top)) 12px 8px;background:#111c26ee}.media-viewer header button{min-width:44px;height:44px;background:#233241;border:0;border-radius:12px;color:#fff;font-size:24px}.media-viewer header span{flex:1;text-align:center;font-size:13px;color:#b6c7d4}.media-viewer img{display:block;width:100%;min-height:0;flex:1;object-fit:contain;padding:10px 10px calc(10px + var(--safe-bottom));cursor:zoom-in}.media-viewer img.zoomed{flex:none;width:160%;max-width:none;min-height:100%;object-fit:contain;cursor:zoom-out}img.chat-attachment{cursor:zoom-in}