:root{--bg-primary:#1a1a1a;--bg-secondary:#212121;--bg-tertiary:#2a2a2a;--bg-glass:#212121bf;--bg-chat:#1a1a1a;--grid-color:#ffffff0a;--text-primary:#e8e8e8;--text-secondary:#999;--text-muted:#666;--accent:#00d158;--accent-dim:#00d15814;--accent-glow:#00d15826;--bubble-sent:#1e3327;--bubble-received:#252525;--border:#2e2e2e;--danger:#ff4d4d;--online:#00d158;--radius:14px;--font:-apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif}[data-theme=light]{--bg-primary:#f5f5f5;--bg-secondary:#fff;--bg-tertiary:#eaeaea;--bg-glass:#ffffffbf;--bg-chat:#f0f0f0;--grid-color:#00000008;--text-primary:#1a1a1a;--text-secondary:#666;--text-muted:#999;--accent:#00a844;--bubble-sent:#d4f5e0;--bubble-received:#fff;--border:#e0e0e0}*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;overflow:hidden}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}#root{width:100%;height:100dvh;display:flex}::-webkit-scrollbar{width:0}input,button{font-family:var(--font);border:none}input:focus{outline:none}.grid-bg{background-color:var(--bg-primary);background-image:radial-gradient(circle at 50% 0%, #00d1580f, transparent 50%), linear-gradient(var(--grid-color) 1px, transparent 1px), linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);background-size:100% 100%,32px 32px,32px 32px}.glass{background:var(--bg-glass);-webkit-backdrop-filter:blur(18px)}.screen{flex-direction:column;width:100%;height:100dvh;display:flex;position:relative;overflow:hidden}.main-header{padding:14px 20px;padding-top:max(14px, env(safe-area-inset-top));border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;display:flex}.logo{letter-spacing:-.5px;background:linear-gradient(135deg,#00d158,#00ff6e);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:26px;font-weight:800}.header-subtitle{color:var(--text-muted);margin-top:2px;font-size:12px}.header-actions{gap:4px;display:flex}.icon-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:10px;justify-content:center;align-items:center;padding:8px;text-decoration:none;transition:background .15s;display:flex}.icon-btn:hover{background:var(--bg-tertiary)}.fab{background:var(--accent);color:#000;cursor:pointer;z-index:10;border:none;border-radius:16px;justify-content:center;align-items:center;width:56px;height:56px;transition:transform .15s,box-shadow .15s;display:flex;position:absolute;bottom:28px;right:24px;box-shadow:0 10px 30px #00d15859}.fab:active{transform:scale(.95);box-shadow:0 6px 20px #00d15840}.list-fade{background:linear-gradient(transparent, var(--bg-primary));pointer-events:none;z-index:5;height:100px;position:absolute;bottom:0;left:0;right:0}.search-section{flex-shrink:0;padding:10px 16px}.search-box{background:var(--bg-secondary);border:1px solid var(--border);cursor:pointer;border-radius:16px;align-items:center;gap:10px;height:48px;padding:0 16px;transition:border-color .15s;display:flex}.search-box:hover{border-color:var(--border-light,#333)}.search-placeholder{color:var(--text-muted);font-size:15px}.filters{flex-shrink:0;gap:8px;padding:0 16px 10px;display:flex}.filter-pill{background:var(--bg-secondary);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;border-radius:18px;padding:7px 16px;font-size:13px;font-weight:500;transition:all .15s}.filter-pill.active{background:var(--accent);color:#000;border-color:var(--accent);font-weight:600}.chat-list{flex:1;overflow-y:auto}.chat-item{cursor:pointer;border-bottom:1px solid var(--border);align-items:center;gap:14px;padding:12px 20px;transition:background .1s;display:flex}.chat-item:active{background:var(--bg-tertiary)}.chat-item.active{background:var(--accent-dim)}.c-avatar{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:50px;height:50px;font-size:18px;font-weight:700;display:flex;position:relative}.online-dot{background:var(--online);border:2px solid var(--bg-primary);border-radius:50%;width:12px;height:12px;position:absolute;bottom:2px;right:2px}.c-info{flex:1;min-width:0}.c-top{justify-content:space-between;align-items:center;margin-bottom:3px;display:flex}.c-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;max-width:65%;font-size:15px;font-weight:500;overflow:hidden}.c-name.bold{font-weight:700}.c-time{color:var(--text-muted);flex-shrink:0;font-size:11px}.c-bottom{justify-content:space-between;align-items:center;display:flex}.c-msg{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;max-width:78%;font-size:13px;overflow:hidden}.c-badge{background:var(--accent);color:#000;text-align:center;border-radius:12px;min-width:20px;padding:3px 7px;font-size:10px;font-weight:700}.empty-state{height:100%;color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:40px 20px;display:flex}.empty-state h2{color:var(--text-primary);font-size:20px;font-weight:600}.empty-state p{color:var(--text-secondary);text-align:center;font-size:14px;line-height:1.6}.empty-state .start-btn{background:var(--accent);color:#000;cursor:pointer;border-radius:14px;margin-top:8px;padding:12px 28px;font-size:14px;font-weight:600}.skeleton{background:linear-gradient(90deg, var(--bg-tertiary) 25%, #333 50%, var(--bg-tertiary) 75%);background-size:200% 100%;border-radius:8px;animation:1.5s infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-avatar{border-radius:50%;width:50px;height:50px}.skeleton-line{height:12px;margin-bottom:8px}.skeleton-line.long{width:85%}.skeleton-line.short{width:50%}.skeleton-item{border-bottom:1px solid var(--border);align-items:center;gap:14px;padding:12px 20px;display:flex}.skeleton-content{flex:1}.modal-overlay{z-index:100;background:#0009;align-items:flex-end;display:flex;position:fixed;inset:0}.search-modal{background:var(--bg-secondary);border-radius:24px 24px 0 0;flex-direction:column;width:100%;height:85dvh;display:flex;overflow:hidden}.search-modal-header{border-bottom:1px solid var(--border);color:var(--text-primary);justify-content:space-between;align-items:center;padding:16px 20px;font-size:16px;font-weight:600;display:flex}.search-modal-header svg{cursor:pointer}.search-input-wrapper{background:var(--bg-primary);border:1px solid var(--border);border-radius:14px;align-items:center;gap:10px;height:48px;margin:12px 16px;padding:0 16px;display:flex}.search-input-wrapper input{color:var(--text-primary);background:0 0;border:none;flex:1;font-size:15px}.search-results{flex:1;overflow-y:auto}.search-user{cursor:pointer;border-bottom:1px solid var(--border);align-items:center;gap:14px;padding:14px 20px;transition:background .1s;display:flex}.search-user:active{background:var(--bg-tertiary)}.user-avatar{color:#fff;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-size:16px;font-weight:700;display:flex}.user-info{flex-direction:column;display:flex}.user-info span{color:var(--text-primary);font-size:15px;font-weight:500}.user-sub{margin-top:2px;color:var(--text-muted)!important;font-size:12px!important}.no-results{text-align:center;color:var(--text-muted);padding:40px 20px;font-size:14px}.chat-screen{flex-direction:column;width:100%;height:100dvh;display:flex;overflow:hidden}.chat-header{border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:12px;padding:8px 14px;display:flex}.back-btn{color:var(--text-primary);cursor:pointer;background:0 0;border:none;padding:4px;display:flex}.ch-avatar{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;font-size:16px;font-weight:700;display:flex;position:relative}.ch-avatar .online-dot{width:10px;height:10px;bottom:1px;right:1px}.chat-info{flex:1;min-width:0}.chat-name{color:var(--text-primary);font-size:16px;font-weight:600}.chat-status{color:var(--text-muted);margin-top:1px;font-size:12px}.chat-status .typing{color:var(--accent);font-style:italic}.messages-area{flex:1;padding:8px 0;overflow-y:auto}.date-sep{justify-content:center;padding:12px 0;display:flex}.date-sep span{background:var(--bg-secondary);color:var(--text-muted);border:1px solid var(--border);border-radius:12px;padding:4px 14px;font-size:11px;font-weight:500}.msg-row{flex-direction:column;margin-bottom:3px;padding:0 14px;display:flex}.msg-row.mine{align-items:flex-end}.msg-row.theirs{align-items:flex-start}.bubble{border-radius:18px;max-width:78%;padding:8px 14px}.bubble.mine{background:var(--bubble-sent);border-bottom-right-radius:6px}.bubble.theirs{background:var(--bubble-received);border:1px solid var(--border);border-bottom-left-radius:6px}.reply-preview{color:var(--accent);opacity:.8;align-items:center;gap:6px;margin-bottom:6px;font-size:11px;display:flex}.reply-line{background:var(--accent);border-radius:1px;flex-shrink:0;width:2px;height:14px}.msg-text{color:var(--text-primary);word-break:break-word;font-size:15px;line-height:1.5}.msg-meta{justify-content:flex-end;align-items:center;gap:4px;margin-top:2px;display:flex}.msg-time{color:var(--text-muted);font-size:10px}.msg-tick{align-items:center;display:flex}.reaction-bar{background:var(--bg-secondary);border:1px solid var(--border);border-radius:20px;gap:4px;margin-top:4px;padding:6px 10px;display:flex;box-shadow:0 4px 12px #0000004d}.reaction-bar.right{align-self:flex-end}.reaction-bar.left{align-self:flex-start}.react-btn{cursor:pointer;background:0 0;border:none;border-radius:6px;padding:2px 4px;font-size:18px}.react-btn:hover{background:var(--bg-tertiary)}.context-bar{background:var(--bg-tertiary);border-left:3px solid var(--accent);flex-shrink:0;align-items:center;gap:10px;padding:8px 14px;display:flex}.context-info{flex:1;min-width:0}.context-label{color:var(--accent);font-size:11px;font-weight:600;display:block}.context-text{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:12px;display:block;overflow:hidden}.context-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:14px}.input-bar{padding:8px 14px;padding-bottom:max(8px, env(safe-area-inset-bottom));border-top:1px solid var(--border);flex-shrink:0;align-items:center;gap:8px;display:flex}.msg-input{background:var(--bg-primary);border:1px solid var(--border);color:var(--text-primary);border-radius:24px;flex:1;padding:12px 18px;font-size:15px}.send-btn{background:var(--accent);color:#000;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:42px;height:42px;display:flex}.dropdown{background:var(--bg-secondary);border:1px solid var(--border);z-index:20;border-radius:14px;min-width:180px;padding:6px;position:absolute;top:44px;right:0;box-shadow:0 8px 24px #0006}.dd-item{color:var(--text-primary);cursor:pointer;border-radius:10px;padding:10px 14px;font-size:13px}.dd-item:hover{background:var(--bg-tertiary)}.dd-item.danger{color:var(--danger)}.empty-chat{flex-direction:column;justify-content:center;align-items:center;gap:10px;height:100%;display:flex}.empty-chat .empty-avatar{color:#fff;border-radius:50%;justify-content:center;align-items:center;width:72px;height:72px;font-size:28px;font-weight:700;display:flex}.empty-chat h3{color:var(--text-primary);font-size:18px;font-weight:600}.empty-chat p{color:var(--text-muted);font-size:13px}.flex-center{justify-content:center;align-items:center;display:flex}.relative{position:relative}.p-20{padding:20px}