:root{color-scheme:dark;--bg: #081412;--panel: #0e1f1b;--panel-strong: #132822;--ink: #eef8f5;--muted: #93aaa3;--line: #24433b;--teal: #16b8a7;--teal-dark: #61d8cb;--blue: #5c95d6;--coral: #e65f4f;--amber: #f2b84b;--shadow: 0 24px 80px rgba(0, 0, 0, .38);--radius: 8px;--app-zoom: 1;font-family:Aptos,Trebuchet MS,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(135deg,rgba(22,184,167,.12),transparent 36%),linear-gradient(315deg,rgba(230,95,79,.1),transparent 38%),var(--bg);color:var(--ink);zoom:var(--app-zoom)}button,input,textarea{font:inherit}input,textarea{background:var(--panel-strong);color:var(--ink)}button{cursor:pointer}.app-shell{display:grid;grid-template-columns:minmax(280px,360px) minmax(0,1fr) minmax(280px,320px);height:100vh;max-height:100vh;overflow:hidden}.desktop-shell{height:100vh;display:grid;grid-template-rows:40px minmax(0,1fr);overflow:hidden;background:var(--bg)}.desktop-content{min-height:0;overflow:hidden}.desktop-content .app-shell{height:100%;max-height:100%}.desktop-content .auth-shell,.desktop-content .onboarding-shell{min-height:100%}.desktop-titlebar{-webkit-app-region:drag;height:40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(36,67,59,.78);background:#081412f0;-webkit-user-select:none;user-select:none}.desktop-drag-region{min-width:0;display:flex;align-items:center;gap:9px;padding-left:12px}.desktop-brand{width:22px;height:22px;border-radius:6px;display:grid;place-items:center;background:var(--teal);color:#061210;font-size:13px;font-weight:900}.desktop-toolbar{-webkit-app-region:no-drag;display:flex;align-items:center;height:100%}.titlebar-button,.zoom-value{height:100%;min-width:42px;border:0;border-left:1px solid rgba(36,67,59,.45);display:inline-flex;align-items:center;justify-content:center;background:transparent;color:var(--ink)}.zoom-value{min-width:54px;color:var(--muted);font-size:12px;font-weight:900}.titlebar-button:hover,.zoom-value:hover{background:#16b8a71f}.close-window:hover{background:#e65f4fdb;color:#fff}.titlebar-divider{width:8px;height:100%;border-left:1px solid rgba(36,67,59,.5)}.plain{border:0;background:transparent;padding:0}.icon-button,.send-button,.round-control{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-strong);color:var(--ink);transition:transform .16s ease,border-color .16s ease,background .16s ease}.icon-button:hover,.send-button:hover,.round-control:hover{transform:translateY(-1px);border-color:#0d948859}.send-button{background:var(--teal);color:#fff;border-color:var(--teal)}.send-button.idle{background:#20332f;color:var(--muted);border-color:#20332f}.avatar{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;overflow:hidden;border-radius:50%;color:#fff;background:linear-gradient(135deg,var(--teal),var(--blue));box-shadow:inset 0 1px #ffffff40;font-weight:800}.avatar img{width:100%;height:100%;object-fit:cover}.avatar-sm{width:36px;height:36px;font-size:13px}.avatar-md{width:48px;height:48px;font-size:16px}.avatar-lg{width:88px;height:88px;font-size:30px}.chat-list{min-width:0;border-right:1px solid var(--line);background:#0e1f1be6;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);display:flex;flex-direction:column}.chat-list-header,.chat-header,.pack-drawer header{display:flex;align-items:center;gap:12px;padding:16px}.chat-list-header h1,.chat-header h2,.onboarding-panel h1{margin:0;font-size:24px;line-height:1.1}.chat-list-header p,.chat-header p{display:flex;align-items:center;gap:5px;margin:4px 0 0;color:var(--muted);font-size:13px}.profile-button{width:44px;height:44px}.chat-list-header .icon-button{margin-left:auto}.search-box{display:flex;align-items:center;gap:8px;margin:0 16px 12px;padding:0 12px;height:44px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-strong);color:var(--muted)}.search-box input{width:100%;border:0;outline:0;background:transparent;color:var(--ink)}.chat-filter-row,.segmented{display:flex;gap:8px;padding:0 16px 12px}.chip,.segmented button{min-height:36px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);color:var(--muted);padding:0 12px;display:inline-flex;align-items:center;gap:6px}.chip.active,.segmented button.active{background:#0d94881a;color:var(--teal-dark);border-color:#0d94883d}.chat-list-scroll,.pack-scroll,.timeline{overflow-y:auto}.chat-row{position:relative;width:calc(100% - 16px);margin:0 8px 4px;min-height:72px;display:grid;grid-template-columns:48px minmax(0,1fr) auto;gap:12px;align-items:center;padding:10px;border:0;border-radius:var(--radius);background:transparent;color:inherit;text-align:left}.chat-row:hover,.chat-row.active{background:#0d94881a}.chat-row-main{min-width:0}.chat-row-title,.pack-title{display:flex;align-items:center;justify-content:space-between;gap:8px}.chat-row-title strong,.pack-title strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-row-title time,.pack-title span,.chat-row-preview{color:var(--muted);font-size:12px}.chat-row-preview{display:block;margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.unread-pill{min-width:24px;height:24px;padding:0 7px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:var(--coral);color:#fff;font-size:12px;font-weight:800}.chat-view{min-width:0;display:grid;grid-template-rows:auto minmax(0,1fr) auto;background:linear-gradient(#081412ad,#081412ad),repeating-linear-gradient(45deg,rgba(22,184,167,.08) 0 1px,transparent 1px 18px)}.chat-header{justify-content:space-between;border-bottom:1px solid var(--line);background:#0e1f1be0;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.chat-title-block{min-width:0;display:flex;align-items:center;gap:12px}.chat-title-block h2{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-actions{display:flex;gap:8px}.timeline{padding:24px}.message-row{display:flex;align-items:flex-end;gap:8px;margin-bottom:12px}.message-row.mine{justify-content:flex-end}.bubble{max-width:min(620px,74%);padding:10px 12px 8px;border-radius:var(--radius);background:var(--panel-strong);box-shadow:0 8px 26px #16201f14}.mine .bubble{background:#153f36}.sender-name{display:block;margin-bottom:4px;color:var(--teal-dark);font-weight:800;font-size:13px}.message-text{margin:0;line-height:1.48;overflow-wrap:anywhere}.message-meta{display:flex;align-items:center;justify-content:flex-end;gap:6px;margin-top:6px;color:var(--muted);font-size:11px}.message-meta span{display:inline-flex;align-items:center;gap:3px}.reaction-row{display:flex;flex-wrap:wrap;gap:5px;margin-top:6px}.reaction{border:1px solid rgba(13,148,136,.2);border-radius:999px;min-height:28px;padding:0 8px;background:#132822bd}.reaction.ghost{color:var(--muted)}.custom-emoji,.sticker-art{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:28px;border-radius:50%;padding:0 5px;background:linear-gradient(135deg,var(--amber),var(--coral));color:#fff;font-size:10px;font-weight:900;vertical-align:middle}.sticker-message{min-width:132px;min-height:132px;display:grid;place-items:center;gap:8px}.sticker-art{width:96px;height:96px;font-size:13px}.voice-message{display:flex;align-items:center;gap:10px;min-width:220px}.waveform{display:flex;align-items:center;gap:3px;height:48px;flex:1}.waveform span{width:4px;border-radius:999px;background:var(--teal)}.circle-message video,.circle-placeholder{width:180px;height:180px;border-radius:50%;object-fit:cover;background:#111c1a;color:#fff;display:grid;place-items:center}.media-preview{display:block;max-width:min(420px,100%);max-height:320px;border-radius:var(--radius);object-fit:cover}.file-preview{color:var(--ink);display:flex;align-items:center;gap:10px;text-decoration:none}.composer{position:relative;display:grid;grid-template-columns:auto auto auto minmax(0,1fr) auto auto auto;gap:8px;align-items:end;padding:12px 16px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#0e1f1beb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.composer textarea{resize:none;min-height:44px;max-height:140px;border:1px solid var(--line);border-radius:var(--radius);padding:11px 12px;outline:0}.circle-capture{position:relative}.circle-capture svg:last-child{position:absolute;right:7px;bottom:7px;color:var(--teal)}.emoji-popover{position:absolute;left:64px;bottom:70px;width:min(360px,calc(100vw - 32px));display:grid;grid-template-columns:repeat(5,1fr);gap:8px;padding:12px;background:var(--panel-strong);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);z-index:4}.emoji-popover button{min-height:44px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}.custom-emoji-choice{grid-column:span 2}.recording-bar{grid-column:1 / -1;display:grid;grid-template-columns:auto minmax(0,1fr) auto auto auto;align-items:center;gap:10px;min-height:52px}.recording-dot{width:12px;height:12px;border-radius:50%;background:var(--coral);animation:pulse .9s infinite}@keyframes pulse{50%{opacity:.35}}.pack-drawer{border-left:1px solid var(--line);background:#0e1f1beb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);display:grid;grid-template-rows:auto auto minmax(0,1fr);min-width:0}.pack-drawer header{justify-content:space-between}.pack-drawer header span{display:block;color:var(--muted);font-size:12px}.emoji-dot{font-size:13px;font-weight:900}.pack-block{padding:0 16px 20px}.pack-title{margin-bottom:10px}.pack-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.pack-item{aspect-ratio:1;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-strong);display:grid;place-items:center;color:var(--ink);position:relative;overflow:hidden}.pack-item span{display:grid;place-items:center;width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,#f2b84bf2,#2b6cb0e6);color:#fff;font-weight:900;font-size:11px}.pack-item svg{position:absolute;right:8px;bottom:8px;color:var(--teal)}.profile-panel{position:fixed;top:0;right:0;width:min(380px,100vw);height:100vh;z-index:10;background:var(--panel-strong);box-shadow:var(--shadow);padding:16px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:12;display:grid;place-items:center;padding:20px;background:#020807b3}.pack-modal{width:min(440px,100%);border-radius:var(--radius);background:var(--panel-strong);box-shadow:var(--shadow);padding:18px}.pack-modal .close{margin-left:auto;display:flex}.pack-modal h2{margin:8px 0 4px}.pack-modal p{color:var(--muted);line-height:1.45}.modal-segmented{padding:0;margin-bottom:12px}.profile-panel .close{margin-left:auto;display:flex}.profile-hero{text-align:center;padding:24px 0}.profile-avatar-large{width:104px;height:104px;border-radius:50%;margin:0 auto 14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--teal),var(--coral));color:#fff;font-size:42px;font-weight:900}.profile-hero h2{margin:0}.profile-hero p,.profile-panel dd{color:var(--muted)}.primary-action{width:100%;min-height:48px;border:0;border-radius:var(--radius);display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--teal);color:#fff;font-weight:800}.primary-action:disabled{background:#29413b;cursor:not-allowed}.secondary-action{width:100%;min-height:44px;margin-top:10px;border:1px solid var(--line);border-radius:var(--radius);display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--panel);color:var(--ink);font-weight:800}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,rgba(22,184,167,.14),transparent 32%),linear-gradient(315deg,rgba(43,108,176,.12),transparent 38%),var(--bg)}.auth-panel{width:min(420px,100%);padding:28px;border-radius:var(--radius);background:#132822f0;box-shadow:var(--shadow)}.auth-title h1{margin:0;font-size:34px;line-height:1}.auth-title p,.auth-footnote{display:flex;align-items:center;gap:7px;color:var(--muted);line-height:1.45}.auth-error{margin:18px 0 0;padding:12px;border:1px solid rgba(230,95,79,.28);border-radius:var(--radius);background:#e65f4f1f;color:#ffb2a9;overflow-wrap:anywhere}.google-action{width:100%;min-height:50px;margin-top:22px;border:1px solid var(--line);border-radius:var(--radius);display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--panel-strong);color:var(--ink);font-weight:900}.google-action:disabled{color:var(--muted);cursor:wait}.google-mark{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(from 25deg,#4285f4,#34a853,#fbbc05,#ea4335,#4285f4);color:#fff;font-weight:900;font-size:13px}.auth-footnote{margin-top:16px;font-size:13px}.profile-panel dl{display:grid;gap:12px}.profile-panel dt{font-size:12px;color:var(--muted)}.profile-panel dd{margin:4px 0 0;overflow-wrap:anywhere}.onboarding-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 20% 20%,rgba(242,184,75,.2),transparent 28%),radial-gradient(circle at 80% 30%,rgba(22,184,167,.18),transparent 30%),var(--bg)}.onboarding-panel{width:min(440px,100%);padding:28px;border-radius:var(--radius);background:var(--panel-strong);box-shadow:var(--shadow)}.brand-mark{width:48px;height:48px;border-radius:var(--radius);display:grid;place-items:center;background:var(--ink);color:#fff;font-weight:900;margin-bottom:18px}.onboarding-panel p{color:var(--muted);line-height:1.5}.avatar-picker{display:grid;grid-template-columns:88px minmax(0,1fr);gap:14px;align-items:center;margin:20px 0}.avatar-picker label,.field{display:grid;gap:6px}.avatar-picker label{grid-template-columns:auto minmax(0,1fr);align-items:center}.field{margin-bottom:12px}.field span{color:var(--muted);font-size:13px}.field input,.avatar-picker input{width:100%;min-height:44px;border:1px solid var(--line);border-radius:var(--radius);padding:0 12px;outline:0}.username-state{min-height:36px;display:flex;align-items:center;gap:6px;color:var(--muted);font-size:13px}.username-state.ok{color:var(--teal-dark)}.username-state.bad{color:var(--coral)}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:980px){.app-shell{grid-template-columns:minmax(0,1fr)}.chat-list{display:none}.pack-drawer{position:fixed;left:0;right:0;bottom:0;z-index:8;max-height:58vh;border-left:0;border-top:1px solid var(--line);box-shadow:0 -24px 80px #1f4f4829}.chat-actions .icon-button:nth-child(2),.chat-actions .icon-button:nth-child(3){display:none}.bubble{max-width:86%}}@media(max-width:620px){.chat-header{padding:10px 12px}.chat-title-block .avatar{width:40px;height:40px}.chat-header h2{font-size:18px}.timeline{padding:16px 10px}.composer{grid-template-columns:auto auto minmax(0,1fr) auto auto;padding:8px}.composer .icon-button:nth-of-type(3){display:none}.circle-capture{display:none}.voice-message{min-width:180px}.pack-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}