:root{--primary:#10b981;--primary-glow:#10b9814d;--bg-dark:#0f172a;--bg-darker:#020617;--glass:#ffffff08;--glass-stroke:#ffffff1a;--glass-highlight:#ffffff14;--glass-heavy:#ffffff1f;--text:#f8fafc;--text-dim:#94a3b8;--text-muted:#64748b;--error:#ef4444}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-darker);color:var(--text);height:100vh;font-family:Outfit,Inter,sans-serif;line-height:1.5;overflow:hidden}#app{height:100%}.app-layout{background:radial-gradient(circle at 0 0,#1e293b,#020617);height:100vh;display:flex}.sidebar{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-right:1px solid var(--glass-stroke);background:#02061199;flex-direction:column;width:320px;display:flex}.chat-main{background:#ffffff03;flex-direction:column;flex:1;display:flex;position:relative}.glass-card{background:var(--glass);-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);border:1px solid var(--glass-stroke);border-radius:24px;padding:32px;box-shadow:0 25px 50px -12px #00000080}.logo-icon{width:64px;height:64px;box-shadow:0 0 30px var(--primary-glow);background:linear-gradient(135deg,#10b981,#3b82f6);border-radius:20px;justify-content:center;align-items:center;margin:0 auto 16px;font-size:32px;display:flex}.logo-icon.large{width:120px;height:120px;font-size:64px}.login-page{background:radial-gradient(circle,#1e293b,#020617);justify-content:center;align-items:center;height:100vh;padding:20px;display:flex}.login-container{width:100%;max-width:440px}.login-logo{text-align:center;margin-bottom:32px}.login-logo h1{letter-spacing:-.5px;font-size:28px;font-weight:800}.login-logo p{color:var(--text-dim);font-size:14px}.auth-toggle{background:#0003;border-radius:12px;margin-bottom:24px;padding:4px;display:flex}.auth-toggle button{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:8px;flex:1;padding:8px;font-weight:600;transition:all .2s}.auth-toggle button.active{background:var(--glass-highlight);color:var(--text)}.input-group{margin-bottom:20px}.input-group label{color:var(--text-dim);margin-bottom:8px;font-size:13px;font-weight:600;display:block}.input-wrapper{border:1px solid var(--glass-stroke);background:#0003;border-radius:12px;align-items:center;padding:0 16px;display:flex;position:relative}.input-wrapper input{color:var(--text);background:0 0;border:none;outline:none;width:100%;padding:12px}.input-row{grid-template-columns:1fr 1fr;gap:12px;display:grid}.pin-input-grid{grid-template-columns:repeat(4,1fr);gap:12px;margin-top:8px;display:grid}.pin-field{border:1px solid var(--glass-stroke);color:var(--text);text-align:center;background:#0003;border-radius:12px;outline:none;height:56px;font-size:24px;font-weight:700}.btn-submit{color:#fff;cursor:pointer;background:linear-gradient(135deg,#10b981,#059669);border:none;border-radius:12px;width:100%;margin-top:12px;padding:14px;font-size:16px;font-weight:700;box-shadow:0 10px 20px -5px #10b98166}.pin-overlay{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:9999;background:#020611f2;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.pin-content{text-align:center;max-width:320px}.pin-display{justify-content:center;gap:16px;margin:24px 0;display:flex}.pin-display span{border:2px solid var(--glass-stroke);border-radius:50%;width:16px;height:16px;transition:scale .2s}.pin-display span.filled{background:var(--primary);border-color:var(--primary);box-shadow:0 0 15px var(--primary-glow);scale:1.2}.pin-pad{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.pin-btn{background:var(--glass);border:1px solid var(--glass-stroke);color:var(--text);cursor:pointer;border-radius:50%;width:64px;height:64px;font-size:20px;font-weight:600}.pin-btn:active{background:var(--glass-highlight)}.sidebar-header{border-bottom:1px solid var(--glass-stroke);padding:24px}.sidebar-top{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.user-info{align-items:center;gap:12px;font-weight:600;display:flex}.user-avatar{background:var(--glass);border-radius:12px;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.search-box{position:relative}.search-box input{border:1px solid var(--glass-stroke);color:#fff;background:#0003;border-radius:20px;outline:none;width:100%;padding:10px 16px}.conv-item{cursor:pointer;align-items:center;gap:12px;padding:12px 24px;transition:all .2s;display:flex}.conv-item:hover{background:var(--glass)}.conv-item.active{border-left:3px solid var(--primary);background:#10b9811a}.conv-item .avatar{background:var(--glass-highlight);border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;font-size:20px;display:flex}.conv-item h4{font-size:15px}.conv-item p{color:var(--text-dim);font-size:12px}.chat-header{border-bottom:1px solid var(--glass-stroke);justify-content:space-between;align-items:center;padding:16px 32px;display:flex}.header-info{align-items:center;gap:16px;display:flex}.header-info .chat-avatar-wrapper{position:relative}.header-info .online-indicator{border:2px solid var(--bg-dark);opacity:0;background:#34d399;border-radius:50%;width:12px;height:12px;transition:all .3s cubic-bezier(.34,1.56,.64,1);position:absolute;bottom:0;right:0;transform:scale(0)}.header-info .online-indicator.online{opacity:1;transform:scale(1)}.status-indicator{color:var(--text-dim);font-size:12px;transition:color .3s}.status-indicator.typing{color:var(--primary);font-style:italic;font-weight:600}.ephemeral-selector{background:var(--glass-heavy);border:1px solid var(--glass-stroke);border-radius:20px;align-items:center;gap:8px;padding:4px 12px;display:flex}.ephemeral-selector select{color:var(--text);background:0 0;border:none;outline:none;font-size:12px;font-weight:600}.message-container{flex-direction:column;flex:1;gap:16px;padding:24px 32px;display:flex;overflow-y:auto}.message{margin-bottom:8px;animation:.4s cubic-bezier(.16,1,.3,1) forwards slideUpIn;display:flex}.message.sent{justify-content:flex-end}.message.received{justify-content:flex-start}.bubble{border-radius:20px;max-width:70%;padding:12px 18px;transition:transform .2s,opacity .5s;position:relative;overflow:hidden;box-shadow:0 4px 12px #0000001a}.bubble:hover{transform:scale(1.02)}.message.sent .bubble{background:linear-gradient(135deg, var(--primary), #059669);color:#fff;border-bottom-right-radius:4px}.message.received .bubble{background:var(--glass-heavy);border:1px solid var(--glass-stroke);border-bottom-left-radius:4px}.countdown-badge{background:var(--accent);color:#fff;z-index:10;opacity:0;pointer-events:none;border-radius:20px;padding:2px 8px;font-size:.65rem;font-weight:800;transition:all .3s cubic-bezier(.175,.885,.32,1.275);position:absolute;top:-10px;right:-5px;transform:scale(.5);box-shadow:0 4px 12px #00000080}.bubble:hover .countdown-badge,.message:hover .countdown-badge{opacity:1;transform:scale(1)}.message.dissolve{pointer-events:none;animation:.8s forwards message-dissolve}@keyframes message-dissolve{0%{opacity:1;filter:blur();transform:translateY(0)scale(1)}to{opacity:0;filter:blur(10px);transform:translateY(-20px)scale(.9)}}.msg-img{cursor:zoom-in;border-radius:12px;max-width:260px;margin-bottom:8px;display:block}.msg-doc{color:inherit;background:#0000001a;border-radius:8px;padding:8px 12px;font-size:13px;text-decoration:none;display:inline-block}.time{opacity:.6;margin-top:4px;font-size:10px;display:block}.chat-footer{border-top:1px solid var(--glass-stroke);padding:20px 32px}.chat-footer .input-container{border:1px solid var(--glass-stroke);background:#0000004d;border-radius:28px;flex:1;align-items:center;padding:4px 4px 4px 20px;display:flex;box-shadow:inset 0 2px 4px #0003}.chat-footer textarea{color:#fff;resize:none;background:0 0;border:none;outline:none;flex:1;height:40px;padding:0;line-height:40px}.btn-attach{cursor:pointer;opacity:.6;margin-right:12px;font-size:20px;transition:all .2s}.btn-attach:hover{opacity:1;color:var(--primary);transform:scale(1.1)}.btn-send{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:16px;transition:all .2s;display:flex;position:relative}.btn-send:hover{filter:brightness(1.1);transform:scale(1.1)}.recording .btn-send{background:#ef4444;box-shadow:0 0 20px #ef444480}.recording .btn-send:after{content:"";border:2px solid #ef4444;border-radius:50%;animation:1.5s infinite pulse-ring;position:absolute;inset:-4px}.spinner,.spinner-sm{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;animation:1s linear infinite spin;display:inline-block}.spinner{vertical-align:middle;width:20px;height:20px}.spinner-sm{vertical-align:middle;width:14px;height:14px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes pulse-ring{0%{opacity:.5;transform:scale(.8)}to{opacity:0;transform:scale(1.3)}}.audio-player{align-items:center;gap:12px;min-width:180px;padding:4px 0;display:flex}.audio-control{cursor:pointer;font-size:20px}.audio-wave{background:#ffffff1a;border-radius:8px;flex:1;height:16px;position:relative;overflow:hidden}.audio-progress{background:var(--primary);border-radius:8px;width:0%;height:100%;transition:width .1s linear}.message.sent .audio-progress{background:#fff}.dissolve{pointer-events:none;animation:.5s forwards dissolve!important}@keyframes dissolve{0%{opacity:1;filter:blur();transform:scale(1)}50%{opacity:.5;filter:blur(4px);transform:scale(1.05)}to{opacity:0;filter:blur(10px);transform:scale(1.2)}}.empty-state{text-align:center;opacity:.5;flex-direction:column;flex:1;justify-content:center;align-items:center;height:100%;display:flex}@keyframes shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-5px)}40%,80%{transform:translate(5px)}}.animate-shake{animation:.4s shake}@keyframes slideUpIn{0%{opacity:0;transform:translateY(10px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}.animate-fade-in{animation:.4s forwards fadeIn}.hint{color:var(--text-dim);margin-top:8px;font-size:13px}.avatar-sm{background:var(--primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;font-weight:700;display:flex}.discovery-section{padding:20px 16px}.discovery-section h3{text-transform:uppercase;letter-spacing:1px;opacity:.5;color:#fff;margin-bottom:8px;font-size:11px}.section-hint{opacity:.4;margin-bottom:16px;font-size:10px;font-style:italic}.suggested-list{flex-direction:column;gap:10px;display:flex}.discover-item{background:var(--glass-light);cursor:pointer;border:1px solid var(--glass-stroke);border-radius:12px;align-items:center;gap:12px;padding:12px;transition:all .2s;display:flex}.discover-item:hover{background:var(--glass-heavy);border-color:var(--primary);transform:translateY(-2px)}.discover-info{flex-direction:column;flex:1;display:flex;overflow:hidden}.discover-info .name{color:#fff;white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.discover-info .username{opacity:.5;font-size:11px}.btn-chat{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:6px;font-size:16px}.search-results{border:1px solid var(--glass-stroke);z-index:100;background:#1e293b;border-bottom-right-radius:16px;border-bottom-left-radius:16px;max-height:250px;padding:8px;position:absolute;top:100%;left:0;right:0;overflow-y:auto;box-shadow:0 10px 30px #00000080}.search-results.hidden{display:none}.search-item{cursor:pointer;border-radius:12px;align-items:center;gap:12px;padding:10px;transition:background .2s;display:flex}.search-item:hover{background:var(--glass-light)}.search-item .search-info{flex-direction:column;flex:1;display:flex}.search-item .name{color:#fff;font-size:13px;font-weight:600}.search-item .username{opacity:.5;font-size:11px}.btn-add{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:4px 8px}