*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f5f5f4;--surface: #ffffff;--border: #e4e4e0;--text: #1a1a18;--muted: #8a8a84;--accent: #2563eb;--accent-soft: #dbeafe;--danger: #dc2626;--you: #1d4ed8;--ring-color: #d4d4cf;--radius: 12px;--font: "DM Sans", sans-serif;--mono: "DM Mono", monospace}html,body{height:100%;font-family:var(--font);background:var(--bg);color:var(--text);overflow:hidden}header{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:var(--surface);border-bottom:1px solid var(--border)}.logo{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:500;letter-spacing:-.01em}.header-right{font-size:13px;color:var(--muted);display:flex;gap:10px}.my-id-label code{font-family:var(--mono);font-size:12px;background:var(--bg);padding:2px 7px;border-radius:5px;border:1px solid var(--border);color:var(--text);letter-spacing:.04em}main{height:100vh;display:flex;flex-direction:column;align-items:center;padding-top:57px;padding-bottom:36px;gap:20px}.tab-nav{display:flex;gap:8px;padding:8px 16px;background:var(--surface);border-radius:12px;border:1px solid var(--border);margin-bottom:16px}.tab-btn{display:flex;align-items:center;gap:6px;padding:8px 14px;border:none;background:transparent;border-radius:8px;font-family:var(--font);font-size:13px;font-weight:500;color:var(--muted);cursor:pointer;transition:all .15s ease}.tab-btn:hover{background:var(--bg);color:var(--text)}.tab-btn.active{background:var(--accent);color:#fff}.tab-btn svg{flex-shrink:0}.tab-panel{display:none;width:100%;flex:1;flex-direction:column;align-items:center;justify-content:center}.tab-panel.active{display:flex}.apps-container{width:100%;max-width:800px;padding:0 20px;display:flex;flex-direction:column;gap:20px}.apps-header{text-align:center}.apps-header h2{font-size:22px;font-weight:600;letter-spacing:-.02em;margin-bottom:4px}.apps-hint{font-size:13px;color:var(--muted)}.apk-drop-zone{border:2px dashed var(--border);border-radius:16px;padding:40px 20px;text-align:center;background:var(--surface);transition:all .2s ease;cursor:pointer}.apk-drop-zone:hover,.apk-drop-zone.drag-over{border-color:var(--accent);background:var(--accent-soft)}.apk-drop-zone svg{color:var(--muted);margin-bottom:12px}.apk-drop-zone p{font-size:14px;color:var(--muted);margin:4px 0}.drop-zone-or{font-size:12px!important;opacity:.7}.apk-pick-btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;background:var(--accent);color:#fff;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;transition:opacity .15s;margin-top:8px}.apk-pick-btn:hover{opacity:.85}.apps-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;min-height:100px}.apps-grid.empty{display:none}.app-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:10px;transition:all .2s ease;position:relative}.app-card:hover{border-color:var(--accent);box-shadow:0 4px 16px #2563eb1a;transform:translateY(-2px)}.app-card.selected{border-color:var(--accent);background:var(--accent-soft)}.app-card-header{display:flex;align-items:flex-start;gap:10px}.app-icon{width:48px;height:48px;border-radius:10px;background:linear-gradient(135deg,var(--accent) 0%,#1e40af 100%);display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;font-weight:600;flex-shrink:0}.app-info{flex:1;min-width:0}.app-name{font-size:14px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:2px}.app-package{font-size:11px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:2px}.app-meta{font-size:11px;color:var(--muted)}.app-card-footer{display:flex;align-items:center;justify-content:space-between;gap:8px}.app-checkbox{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);cursor:pointer}.app-checkbox input{width:16px;height:16px;cursor:pointer}.app-delete-btn{background:none;border:none;color:var(--danger);cursor:pointer;padding:4px 8px;border-radius:6px;font-size:12px;transition:background .15s}.app-delete-btn:hover{background:#dc26261a}.apps-actions{display:flex;justify-content:center;padding-top:8px}.apps-actions.hidden{display:none}#send-apps-btn{display:flex;align-items:center;gap:8px;padding:10px 24px;font-size:14px}[dir=rtl] .app-card-header,[dir=rtl] .app-card-footer{flex-direction:row-reverse}.radar-area{position:relative;width:420px;height:420px;display:flex;align-items:center;justify-content:center}.radar-rings{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center}.ring{position:absolute;border-radius:50%;border:1px solid var(--ring-color)}.ring-1{width:130px;height:130px}.ring-2{width:250px;height:250px}.ring-3{width:380px;height:380px}.radar-pulse{position:absolute;width:380px;height:380px;border-radius:50%;border:1.5px solid var(--accent);opacity:0;animation:pulse-out 3s ease-out infinite}@keyframes pulse-out{0%{transform:scale(.3);opacity:.5}to{transform:scale(1);opacity:0}}.node{position:absolute;display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer;-webkit-user-select:none;user-select:none;transform:translate(-50%,-50%)}.node span{font-size:11.5px;color:var(--muted);white-space:nowrap;font-weight:400}.avatar{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:2px solid var(--border);background:var(--surface);transition:transform .15s ease,box-shadow .15s ease;box-shadow:0 2px 8px #0000000f}.node:not(.you):hover .avatar{transform:scale(1.08);box-shadow:0 4px 16px #2563eb2e;border-color:var(--accent)}.you-avatar{background:var(--you);border-color:var(--you);color:#fff;width:58px;height:58px;display:flex;flex-direction:column}.you{left:50%;top:50%;z-index:10;cursor:default}.you span{color:var(--bg);font-weight:500}.peer-node .avatar{color:var(--accent)}.status-msg{font-size:13px;color:var(--muted);text-align:center;min-height:20px}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000040;display:flex;align-items:center;justify-content:center;z-index:200;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal.hidden{display:none}.modal-box{background:var(--surface);border-radius:16px;padding:28px 32px;min-width:300px;max-width:360px;width:100%;box-shadow:0 8px 40px #00000024;display:flex;flex-direction:column;gap:14px}.modal-peer-name{font-size:17px;font-weight:500;letter-spacing:-.01em}.modal-hint{font-size:13px;color:var(--muted);margin-top:-6px}.file-pick-label{display:flex;align-items:center;gap:10px;padding:10px 14px;border:1.5px dashed var(--border);border-radius:10px;cursor:pointer;font-size:13px;color:var(--muted);transition:border-color .15s,background .15s}.file-pick-label:hover{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.file-pick-label svg{flex-shrink:0}#file-name-display{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.modal-actions{display:flex;gap:8px;justify-content:flex-end}.btn-primary{font-family:var(--font);font-size:13px;font-weight:500;padding:8px 18px;border:none;border-radius:8px;background:var(--accent);color:#fff;cursor:pointer;transition:opacity .15s}.btn-primary:disabled{opacity:.4;cursor:default}.btn-primary:not(:disabled):hover{opacity:.85}.btn-ghost{font-family:var(--font);font-size:13px;font-weight:400;padding:8px 14px;border:1px solid var(--border);border-radius:8px;background:transparent;color:var(--muted);cursor:pointer;transition:border-color .15s}.btn-ghost:hover{border-color:var(--text);color:var(--text)}.progress-wrap{display:flex;align-items:center;gap:10px}.progress-wrap.hidden{display:none}.progress-bar-track{flex:1;height:4px;background:var(--bg);border-radius:99px;overflow:hidden}.progress-bar-fill{height:100%;background:var(--accent);border-radius:99px;width:0%;transition:width .1s linear}#progress-label{font-size:12px;color:var(--muted);font-family:var(--mono);min-width:34px;text-align:right}.receive-toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%);z-index:300}.receive-toast.hidden{display:none}.toast-inner{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px 22px;box-shadow:0 6px 28px #0000001f;display:flex;flex-direction:column;gap:8px;min-width:260px}.toast-title{font-size:13px;font-weight:500}.toast-file{font-family:var(--mono);font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:240px}.toast-actions{display:flex;gap:8px;margin-top:4px}@keyframes node-in{0%{opacity:0;transform:translate(-50%,-50%) scale(.6)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.peer-node{animation:node-in .3s cubic-bezier(.34,1.56,.64,1) forwards}@media (max-width: 480px){.radar-area{width:320px;height:320px}.ring-1{width:100px;height:100px}.ring-2{width:200px;height:200px}.ring-3,.radar-pulse{width:300px;height:300px}.chat-drawer{width:100%;right:0}}.chat-fab{position:fixed;bottom:24px;right:24px;z-index:150;width:52px;height:52px;border-radius:50%;background:var(--accent);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px #2563eb4d;transition:transform .15s,opacity .15s}.chat-fab.hidden{display:none}.chat-fab:hover{transform:scale(1.08)}.chat-fab:active{transform:scale(.95)}.chat-badge{position:absolute;top:-4px;right:-4px;background:var(--danger);color:#fff;font-size:11px;font-weight:600;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center}.chat-badge.hidden{display:none}.chat-drawer{position:fixed;top:0;right:0;bottom:0;width:340px;background:var(--surface);border-left:1px solid var(--border);z-index:250;display:flex;flex-direction:column;box-shadow:-4px 0 20px #00000014}.chat-drawer.hidden{display:none}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border);font-weight:500;font-size:15px}.chat-close-btn{background:none;border:none;font-size:18px;color:var(--muted);cursor:pointer;padding:2px 6px;border-radius:6px}.chat-close-btn:hover{background:var(--bg)}.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:8px}.chat-bubble{max-width:75%;padding:8px 12px;border-radius:14px;font-size:13.5px;line-height:1.45;display:flex;flex-direction:column;gap:3px}.chat-bubble.mine{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:4px}.chat-bubble.theirs{align-self:flex-start;background:var(--bg);color:var(--text);border-bottom-left-radius:4px}.chat-time{font-size:10px;opacity:.6}.chat-input-area{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--border)}.chat-input-area input{flex:1;font-family:var(--font);font-size:13px;padding:8px 12px;border:1px solid var(--border);border-radius:8px;outline:none;background:var(--bg);color:var(--text)}.chat-input-area input:focus{border-color:var(--accent)}.chat-send-btn{padding:8px 14px!important}.peer-badge{position:absolute;top:-2px;right:-2px;background:var(--danger);color:#fff;font-size:10px;font-weight:600;min-width:16px;height:16px;border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0 4px;z-index:5}.peer-badge.hidden{display:none}.peer-action-popover{position:fixed;z-index:400;background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:0 4px 20px #0000001f;padding:4px;display:flex;flex-direction:column;min-width:140px}.peer-action-popover.hidden{display:none}.popover-action-btn{display:flex;align-items:center;gap:8px;padding:8px 12px;border:none;background:transparent;border-radius:7px;font-family:var(--font);font-size:13px;color:var(--text);cursor:pointer;transition:background .15s}.popover-action-btn:hover{background:var(--bg)}.peer-list-dropdown{position:fixed;bottom:84px;right:24px;z-index:400;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:0 4px 24px #00000024;padding:8px;min-width:200px;max-height:280px;overflow-y:auto}.peer-list-dropdown.hidden{display:none}.peer-list-header{font-size:11px;color:var(--muted);padding:6px 10px 8px;text-transform:uppercase;letter-spacing:.04em}.peer-list-item{display:flex;align-items:center;justify-content:space-between;padding:8px 10px;border-radius:8px;cursor:pointer;transition:background .15s}.peer-list-item:hover{background:var(--bg)}.peer-list-name{font-size:13px;font-weight:500;color:var(--text)}.peer-list-badge{background:var(--danger);color:#fff;font-size:10px;font-weight:600;min-width:18px;height:18px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 5px}.peer-list-badge.hidden{display:none}.chat-bubble-file{flex-direction:row!important;align-items:center;gap:8px!important}.chat-bubble-file .chat-file-icon{font-size:16px;flex-shrink:0}.chat-bubble-file .chat-file-info{display:flex;flex-direction:column;gap:1px}.chat-bubble-file .chat-file-name{font-size:13px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:160px}.chat-bubble-file .chat-file-size{font-size:11px;opacity:.7}.chat-bubble-file .chat-time{align-self:flex-end;margin-left:auto;white-space:nowrap}.chat-bubble.mine.chat-bubble-file{background:var(--accent);color:#fff}.chat-bubble.theirs.chat-bubble-file{background:#f0f0ee;color:var(--text)}.app-footer{position:fixed;bottom:0;left:0;right:0;text-align:center;padding:8px;font-size:11px;color:var(--muted);background:var(--surface);border-top:1px solid var(--border);z-index:50}