:root{font-family:Tahoma,'Segoe UI',Arial,sans-serif;--page:#eff4ff;--panel:#ffffff;--soft:#f5f8ff;--input:#f8faff;--border:#e0e9f7;--text:#233752;--muted:#8090ab;--accent:#386dec;--accent2:#24b6c2;--gold:#d3b26b;--bubble:#ffffff;--mine:#dceafb;--chatbg:#f7faff;--shadow:0 14px 48px rgba(32,62,120,.09);color:var(--text);background:var(--page)}
:root[data-theme=dark]{--page:#0c1526;--panel:#15233a;--soft:#1d304a;--input:#1c2b43;--border:#30425d;--text:#ecf3fc;--muted:#a5b5ca;--accent:#76aaff;--accent2:#64c5d4;--bubble:#22344d;--mine:#29496a;--chatbg:#111e32;--shadow:0 14px 48px rgba(0,0,0,.26)}
@media(prefers-color-scheme:dark){:root[data-theme=auto]{--page:#0c1526;--panel:#15233a;--soft:#1d304a;--input:#1c2b43;--border:#30425d;--text:#ecf3fc;--muted:#a5b5ca;--accent:#76aaff;--accent2:#64c5d4;--bubble:#22344d;--mine:#29496a;--chatbg:#111e32;--shadow:0 14px 48px rgba(0,0,0,.26)}}
*{box-sizing:border-box}body{margin:0;min-height:100dvh;background:var(--page);color:var(--text)}button,input,textarea,select{font:inherit}button{cursor:pointer;border:0}button:disabled{opacity:.38;cursor:not-allowed}.hidden{display:none!important}input,textarea{outline:none}input,textarea,select{background:var(--input);color:var(--text);border:1px solid var(--border);border-radius:13px}input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(60,112,224,.11)}.primary{background:linear-gradient(125deg,#3168db,#27a7cc);color:white;border-radius:13px;padding:12px 20px;font-weight:700}.secondary{background:var(--soft);color:var(--text);border-radius:13px;padding:12px 16px}.danger{background:#e45563;color:white;border-radius:13px;padding:12px 20px}.full{width:100%;margin-top:9px}.muted{font-size:12px;color:var(--muted)}.center{text-align:center;margin:40px auto}.error{min-height:15px;color:#e45a73;font-size:12px}
.auth-shell{min-height:100dvh;display:grid;place-items:center;padding:20px;background:radial-gradient(ellipse at 10% 9%,rgba(38,154,218,.16),transparent 45%),radial-gradient(ellipse at 89% 95%,rgba(192,157,73,.12),transparent 38%),var(--page)}.login-panel{width:min(440px,100%);background:var(--panel);padding:22px 30px 27px;border:1px solid var(--border);border-radius:29px;box-shadow:0 25px 70px rgba(36,78,135,.15);text-align:center}.login-logo{height:150px;width:190px;object-fit:contain}.login-panel .eyebrow{font-size:10px;letter-spacing:1px;color:var(--accent)}.login-panel h1{font-size:21px;margin:2px 0 6px}.login-panel p{font-size:12px;color:var(--muted)}.tabs{display:flex;background:var(--soft);padding:4px;border-radius:13px;margin:19px 0}.tab{flex:1;background:transparent;border-radius:10px;padding:11px;color:var(--muted)}.tab.selected{background:var(--panel);color:var(--accent);font-weight:bold;box-shadow:0 1px 6px #1233a011}.login-panel form{text-align:right}.login-panel label,.dialog label{display:block;font-size:12px;font-weight:700;margin:13px 0}.login-panel input,.dialog input,.dialog textarea{width:100%;margin-top:8px;padding:12px 14px}.notice{font-size:11px;line-height:1.85;color:var(--muted);background:var(--soft);padding:11px;border-radius:11px;margin-top:14px}
.app{height:100dvh;max-width:1540px;margin:auto;padding:13px;display:grid;grid-template-columns:340px minmax(0,1fr);gap:14px}.sidebar,.conversation{background:var(--panel);border:1px solid var(--border);border-radius:23px;overflow:hidden;box-shadow:var(--shadow);min-height:0}.sidebar{display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;padding:15px 16px 12px;border-bottom:1px solid var(--border);background:linear-gradient(115deg,rgba(56,109,236,.06),transparent)}.brand img{width:48px;height:48px;object-fit:cover;border-radius:13px;box-shadow:0 5px 20px rgba(37,117,203,.17)}.brand strong{display:block;font-size:17px;letter-spacing:.9px;color:var(--accent)}.brand small,.self small,.chatperson small{display:block;color:var(--muted);font-size:11px;margin-top:5px}.beta-chip{margin-inline-start:auto;border:1px solid var(--gold);border-radius:20px;font-size:9px;padding:4px 6px;color:var(--gold);white-space:nowrap}.self{margin:12px;display:flex;align-items:center;gap:8px;background:var(--soft);padding:10px;border:1px solid var(--border);border-radius:16px}.selfpic,.selfinfo{background:transparent;padding:0;border:0;text-align:right;color:var(--text)}.selfinfo{flex:1;min-width:0}.selfinfo strong{font-size:13px}.selfinfo small{direction:ltr;text-align:right}.avatar{width:44px;height:44px;border-radius:15px;background:linear-gradient(130deg,#d2e2ff,#c6f4ec);color:#2756a2;display:grid;place-items:center;font-weight:800;flex:none;overflow:hidden;font-size:17px}.avatar img{width:100%;height:100%;object-fit:cover}.avatar-sm{width:43px;height:43px}.avatar.large{width:78px;height:78px;font-size:31px}.icon-button{width:41px;height:41px;border-radius:13px;background:var(--soft);color:var(--accent);display:grid;place-items:center;flex-shrink:0;font-size:22px}.icon-button:hover,.small-action:hover{filter:brightness(.97);transform:translateY(-1px)}.tools{display:flex;align-items:center;gap:7px;margin:0 12px 10px;font-size:11px}.tools label{color:var(--muted)}.tools select{min-width:0;flex:1;padding:9px}.small-action{padding:9px 11px;border:1px solid var(--border);border-radius:12px;color:var(--text);background:var(--soft);font-size:11px}.search{padding:0 12px 12px;display:flex;gap:7px}.search input{width:100%;padding:12px;min-width:0}.search-action{border-radius:12px;padding:9px;background:var(--soft);color:var(--text)}.listhead{padding:0 16px 11px;display:flex;justify-content:space-between;align-items:center;font-size:13px}.row-buttons{display:flex;gap:6px}.round{border-radius:12px;background:var(--accent);color:white;font-size:23px;width:35px;height:35px}.round.subtle{background:var(--soft);color:var(--text);font-size:16px}.chatlist{overflow-y:auto;flex:1;padding:0 8px}.chatrow{width:100%;display:flex;gap:10px;padding:11px 9px;border-radius:14px;align-items:center;cursor:pointer;text-align:right;background:transparent;color:var(--text)}.chatrow:hover,.chatrow.active{background:var(--soft)}.chatrow-info{min-width:0;flex:1}.chatrow strong{font-size:13px;display:block}.chatrow small{display:block;font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:5px;max-width:185px}.chat-meta{align-self:center;display:grid;justify-items:center;gap:6px}.online-dot{width:8px;height:8px;border-radius:50%;background:#2fb58d}.unread-pill{font-size:11px;min-width:21px;height:21px;border-radius:10px;background:var(--accent);color:white;display:grid;place-items:center}.sidebarfoot{text-align:center;font-size:10px;color:var(--muted);padding:12px;border-top:1px solid var(--border)}
.conversation{display:flex;flex-direction:column}.chatheader{display:flex;align-items:center;gap:11px;padding:12px 18px;border-bottom:1px solid var(--border);min-height:70px}.chatperson{flex:1;min-width:0}.chatperson strong{font-size:15px}.chatperson small.online{color:#23b990}.back{display:none;font-size:28px}.welcome{margin:auto;text-align:center;max-width:330px;padding:30px}.welcome img{width:190px;max-width:100%}.welcome h2{font-size:22px;margin-top:-12px}.welcome p{font-size:13px;line-height:2;color:var(--muted)}.welcome span{font-size:11px;color:var(--muted)}.chatview{display:flex;flex-direction:column;min-height:0;flex:1;background:radial-gradient(var(--border) .65px,transparent .65px) 0 0/23px 23px,var(--chatbg);position:relative}.chatwarn{text-align:center;font-size:10px;color:var(--muted);background:var(--soft);padding:7px}.messages{display:flex;flex-direction:column;gap:12px;padding:18px;overflow:auto;flex:1;min-height:0}.msg{max-width:min(80%,640px);align-self:flex-start;position:relative}.msg.mine{align-self:flex-end}.message-line{display:flex;align-items:flex-start;gap:5px}.msg.mine .message-line{flex-direction:row-reverse}.bubble{border:1px solid var(--border);background:var(--bubble);border-radius:16px 16px 16px 5px;color:var(--text);font-size:13px;line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere;padding:11px 15px;min-width:95px;max-width:100%;box-shadow:0 3px 14px rgba(24,64,113,.05)}.mine .bubble{background:var(--mine);border-radius:16px 16px 5px 16px}.msg-more{font-size:22px;line-height:24px;color:var(--muted);background:var(--panel);border:1px solid var(--border);border-radius:10px;width:27px;height:28px;padding:0;opacity:.86}.stamp{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:10px;padding:4px 7px;direction:rtl}.stamp span{color:var(--accent)}.message-link,.download{color:var(--accent);word-break:break-all;text-decoration:underline}.edited{display:block;color:var(--muted);font-size:10px}.reply-quote{margin:0 0 7px;padding:5px 9px;border-right:3px solid var(--accent);font-size:11px;color:var(--muted);background:var(--soft);border-radius:5px;max-width:100%;overflow:hidden;text-overflow:ellipsis}.chat-image,.chat-video{max-width:100%;max-height:270px;display:block;border-radius:10px;object-fit:contain}.chat-image{width:auto}.chat-video{width:min(380px,75vw)}.media-holder{display:flex;flex-direction:column;gap:8px;color:var(--accent);text-decoration:none}.media-holder audio{max-width:275px}.media-label{font-size:11px;text-decoration:underline}.reactions{display:flex;gap:4px;flex-wrap:wrap}.reaction-chip{border-radius:11px;background:var(--panel);border:1px solid var(--border);padding:2px 7px;font-size:12px}.deleted{opacity:.65}.msg.highlight .bubble{outline:3px solid var(--gold)}.message-menu{position:relative;z-index:5;display:grid;gap:3px;min-width:190px;width:max-content;max-width:250px;padding:7px;background:var(--panel);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow)}.message-menu>button{border-radius:7px;text-align:right;font-size:12px;padding:9px 10px;background:transparent;color:var(--text)}.message-menu>button:hover{background:var(--soft)}.reaction-row{display:flex;gap:2px;justify-content:space-around;border-top:1px solid var(--border);padding-top:7px}.reaction-row button{border:0;background:transparent;font-size:19px;padding:3px}.typing-indicator{padding:0 20px;min-height:22px;color:var(--accent);font-size:11px}.reply-preview{background:var(--soft);border-right:3px solid var(--accent);display:flex;justify-content:space-between;align-items:center;padding:9px 16px;color:var(--muted);font-size:12px}.reply-preview button{background:transparent;font-size:22px;color:var(--text)}.composer{display:flex;align-items:flex-end;gap:8px;padding:12px;border-top:1px solid var(--border);background:var(--panel)}.composer textarea{padding:11px 13px;resize:none;min-height:44px;max-height:160px;flex:1;min-width:0}.send{height:44px}.attach-menu{position:absolute;z-index:5;bottom:65px;right:13px;background:var(--panel);padding:8px;border-radius:17px;display:grid;grid-template-columns:repeat(2,minmax(110px,1fr));box-shadow:var(--shadow);border:1px solid var(--border);gap:4px}.attach-menu button{background:var(--soft);color:var(--text);padding:13px 12px;border-radius:10px;white-space:nowrap;text-align:right}.emoji-picker{position:absolute;z-index:5;bottom:65px;right:65px;background:var(--panel);padding:10px;border-radius:15px;display:grid;grid-template-columns:repeat(8,1fr);max-width:min(360px,92vw);box-shadow:var(--shadow);border:1px solid var(--border);gap:3px}.emoji-picker button{border:0;border-radius:6px;background:transparent;font-size:22px;padding:4px}.emoji-picker button:hover{background:var(--soft)}.upload-tray{padding:10px 17px;background:var(--soft);border-top:1px solid var(--border);display:flex;align-items:center;gap:9px}.upload-meta{display:flex;justify-content:space-between;gap:12px;font-size:11px;flex:1}.upload-meta #uploadLabel{max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-tray progress{width:90px;accent-color:var(--accent)}.upload-cancel{border-radius:7px;background:var(--panel);color:var(--text);font-size:11px;padding:7px}
.overlay{position:fixed;inset:0;z-index:10;background:rgba(9,22,42,.68);display:grid;place-items:center;padding:14px}.dialog,.call-dialog{background:var(--panel);color:var(--text);border-radius:23px;padding:23px;width:min(455px,100%);max-height:90dvh;overflow-y:auto;box-shadow:0 24px 70px rgba(0,0,0,.33)}.dialog h2{font-size:19px;margin:0}.dialog p{font-size:13px;color:var(--muted);line-height:1.8}.dialog-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:13px}.dialog-actions.wrap{flex-wrap:wrap}.profile-preview{display:flex;gap:20px;align-items:center;justify-content:center;padding:10px}.search-dialog{width:min(560px,100%)}.search-dialog form{display:flex;gap:7px;margin-top:15px}.search-dialog form input{margin:0}.search-results,.forward-list{max-height:50dvh;overflow:auto;display:grid;gap:8px;padding:12px 0}.search-hit,.forward-list button{text-align:right;display:grid;gap:6px;padding:10px;background:var(--soft);border:1px solid var(--border);border-radius:11px;color:var(--text)}.search-hit span{font-size:11px}.search-hit small{color:var(--muted)}.call-dialog{width:min(600px,100%);background:#111c34;color:white;text-align:center}.calltitle{margin-bottom:10px;font-weight:bold}.call-dialog video#remoteVideo{width:100%;height:280px;object-fit:cover;background:#0a1329;border-radius:13px}.call-dialog video#localVideo{width:100px;height:135px;object-fit:cover;position:absolute;margin:10px 0 0 -110px;border-radius:12px;background:#283c64;border:2px solid white}.call-dialog p{color:#b6c9e5}.call-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:12px}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);background:#213858;color:white;border-radius:12px;padding:11px 18px;font-size:12px;opacity:0;transition:.2s;pointer-events:none;z-index:20}.toast.on{opacity:1;transform:translate(-50%,0)}
@media(max-width:720px){.app{display:block;padding:0}.sidebar,.conversation{height:100dvh;border:0;border-radius:0}.conversation{display:none}.app.open .sidebar{display:none}.app.open .conversation{display:flex}.back{display:grid}.chatheader{padding:10px;gap:7px}.chatheader .icon-button{width:38px;height:38px}.messages{padding:12px}.msg{max-width:91%}.chatwarn{font-size:9px;padding:5px}.composer{padding:8px;gap:5px;padding-bottom:max(8px,env(safe-area-inset-bottom))}.composer .icon-button{width:36px;height:42px}.composer textarea{font-size:16px;padding:10px}.composer .send{padding:10px 13px}.login-panel{padding:20px}.login-logo{height:140px}.bubble{padding:9px 11px}.emoji-picker{grid-template-columns:repeat(7,1fr);right:6px}.attach-menu{right:7px}.upload-tray{flex-wrap:wrap}.upload-meta{width:100%;flex:auto}}

.group-members{margin:15px 0;display:grid;gap:5px;max-height:270px;overflow:auto}.member-row{display:flex;justify-content:space-between;align-items:center;padding:9px 11px;background:var(--soft);border-radius:10px;font-size:12px}.member-row small{display:block;color:var(--muted);margin-top:4px}.member-row .small-action{color:#d64c64}

/* Private beta email OTP authentication UI */
.auth-beta-shell{grid-template-columns:minmax(0,1fr) minmax(330px,490px);gap:min(7vw,90px);padding:clamp(18px,4vw,50px);background:radial-gradient(ellipse at 18% 10%,#183e7878,transparent 45%),radial-gradient(ellipse at 90% 85%,#144ea54f,transparent 43%),#071323;color:#f3f8ff;direction:rtl}
.auth-hero{max-width:640px;justify-self:center;padding:22px 0}.auth-hero-logo{width:230px;height:110px;object-fit:contain;object-position:right center}.auth-kicker{font-size:12px;letter-spacing:1.8px;color:#55baff;margin-top:24px}.auth-hero h1{font-size:clamp(28px,4vw,54px);line-height:1.5;margin:14px 0}.auth-hero h1 span{color:#7cceff}.auth-hero p{color:#b2c8e6;line-height:2.15;font-size:15px;max-width:550px}.auth-hero-chips{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px}.auth-hero-chips span{background:#102c52;border:1px solid #3b6eab;border-radius:999px;padding:10px 13px;font-size:12px;color:#c3dffd}
.ept-email-panel{width:min(495px,100%);max-height:95dvh;overflow:auto;background:linear-gradient(160deg,#132947f5,#0b1d37 65%,#0c1b32);border:1px solid #416f9e;box-shadow:0 25px 90px #0009;color:#e9f5ff;text-align:right;padding:23px 27px}.ept-email-panel h2{font-size:23px;text-align:center;margin:12px 0 2px}.ept-email-panel .auth-subline,.ept-email-panel .auth-verify-sub{text-align:center;color:#a7c2e5;line-height:1.9}.auth-caption{text-align:center;color:#76d9ff;font-size:12px}.auth-mobile-brand{display:none;align-items:center;gap:9px}.auth-mobile-brand img{width:42px;height:42px;border-radius:12px}.auth-mobile-brand b{color:#bde0ff}.auth-mobile-brand small{margin-right:auto;font-size:10px;color:#a4c5e3}
.ept-email-panel label{color:#c7ddf6;margin:12px 0 0}.ept-email-panel input,.ept-email-panel select{display:block;width:100%;background:#0c203b;border:1px solid #365579;color:#fff;padding:12px;border-radius:12px;margin-top:6px;min-width:0}.ept-email-panel input::placeholder{color:#728bac}.ept-email-panel .tabs{background:#0d203c;margin:13px 0}.ept-email-panel .tab.selected{background:#1a4578;color:#dff6ff}.auth-two{display:grid;grid-template-columns:1fr 1fr;gap:10px}.auth-phone-line{display:flex;align-items:center;gap:10px;margin-top:6px}.auth-phone-line span{padding:13px 9px;background:#122e52;border:1px solid #365579;border-radius:12px;direction:ltr;white-space:nowrap}.auth-phone-line input{margin:0}.ept-email-panel .notice{margin-top:18px;background:#0c2846;border:1px solid #25577b;color:#a5c7e7}.ept-email-panel .error{color:#ffa6ae;margin:9px 0}.legacy-option{margin-top:15px;color:#b3d7ff;font-size:12px}.legacy-option summary{cursor:pointer}.ept-email-panel .primary{background:linear-gradient(120deg,#186be9,#00afd4)}
@media(max-width:930px){.auth-beta-shell{display:block;min-height:100dvh;padding:14px}.auth-hero{display:none}.auth-mobile-brand{display:flex}.ept-email-panel{max-height:none;overflow:visible;margin:0 auto;padding:20px 17px}}
@media(max-width:360px){.auth-two{grid-template-columns:1fr}}