:root{--bg-gradient: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);--glass-bg: rgba(255, 255, 255, .7);--glass-border: rgba(0, 0, 0, .05);--accent-color: #0ea5e9;--accent-hover: #0284c7;--text-primary: #0f172a;--text-secondary: #64748b;--success-color: #22c55e;--card-shadow: 0 10px 25px -5px rgba(0, 0, 0, .05), 0 8px 10px -6px rgba(0, 0, 0, .05)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg-gradient);background-attachment:fixed;color:var(--text-primary);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased}#root{display:flex;flex-direction:column;align-items:center;padding:4rem 1rem}.glass-card{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:1rem;box-shadow:var(--card-shadow);transition:all .3s ease}.glass-card:hover{transform:translateY(-2px);box-shadow:0 20px 25px -5px #0000001a}.title{font-family:Inter,sans-serif;font-size:3rem;font-weight:800;letter-spacing:-.04em;margin-bottom:3rem;color:var(--text-primary);text-align:center}.app-container{width:100%;max-width:640px;display:flex;flex-direction:column;gap:1.5rem}.history-container{flex:1;min-height:480px;max-height:60vh;overflow-y:auto;padding:1.5rem;display:flex;flex-direction:column;gap:1rem;scroll-behavior:smooth;background:#fff;border-radius:1rem 1rem 0 0}.message-item{padding:1rem;border-radius:.75rem;background:#f8fafc;border:1px solid #f1f5f9;transition:all .2s ease}.message-item:hover{background:#f1f5f9;border-color:#e2e8f0}.message-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.timestamp{font-size:.7rem;font-weight:500;color:var(--text-secondary)}.type-badge{font-size:.65rem;padding:.2rem .5rem;border-radius:.25rem;background:#f1f5f9;color:var(--text-secondary);border:1px solid #e2e8f0;font-weight:600;text-transform:uppercase}.message-content{word-break:break-all;line-height:1.5;font-size:.95rem;color:var(--text-primary)}.image-preview-container{margin-top:.5rem;width:100px;height:100px;border-radius:.5rem;overflow:hidden;border:1px solid #e2e8f0;cursor:pointer;transition:opacity .2s ease}.image-preview-container:hover{opacity:.9}.image-preview-container img{width:100%;height:100%;object-fit:cover}.action-bar{display:flex;gap:1rem;margin-top:.75rem;padding-top:.5rem;border-top:1px solid #f1f5f9}.btn-icon{background:none;border:none;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;gap:.3rem;font-size:.75rem;font-weight:600;transition:color .2s}.btn-icon:hover{color:var(--accent-color)}.input-area{padding:1.5rem;display:flex;flex-direction:column;gap:1rem;background:#fff;border-radius:0 0 1rem 1rem;border-top:1px solid #f1f5f9}.input-group{display:flex;gap:.5rem}.text-input{flex:1;background:#f8fafc;border:1px solid #e2e8f0;border-radius:.5rem;padding:.75rem 1rem;color:var(--text-primary);outline:none;transition:all .2s;font-size:.95rem}.text-input:focus{border-color:var(--accent-color);background:#fff;box-shadow:0 0 0 4px #0ea5e91a}.send-btn{background:var(--accent-color);border:none;border-radius:.5rem;padding:0 1.25rem;color:#fff;font-weight:600;cursor:pointer;transition:background .2s;display:flex;align-items:center}.send-btn:hover{background:var(--accent-hover)}.file-input-wrapper{display:flex;justify-content:flex-start}.file-label{display:flex;align-items:center;gap:.5rem;cursor:pointer;color:var(--text-secondary);font-size:.85rem;font-weight:600;padding:.4rem .6rem;border-radius:.4rem;transition:all .2s}.file-label:hover{background:#f1f5f9;color:var(--text-primary)}#file-input{display:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#e2e8f0;border-radius:10px}.toast-container{position:fixed;bottom:15%;left:50%;transform:translate(-50%);z-index:9999;pointer-events:none}.toast-content{background:#000000bf;color:#fff;padding:.75rem 1.5rem;border-radius:2rem;font-size:.85rem;font-weight:500;box-shadow:0 4px 12px #00000026;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:toast-in-out 2s ease-in-out forwards}@keyframes toast-in-out{0%{opacity:0;transform:translateY(20px)}15%{opacity:1;transform:translateY(0)}85%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-20px)}}.peer-list-dropdown{position:absolute;top:calc(100% + 10px);right:0;background:#fff;padding:.75rem;border-radius:.75rem;box-shadow:0 10px 25px -5px #0000001a,0 8px 10px -6px #0000001a;border:1px solid #f1f5f9;z-index:100;min-width:120px;opacity:0;visibility:hidden;transform:translateY(-5px);transition:all .2s ease}div:hover>.peer-list-dropdown{opacity:1;visibility:visible;transform:translateY(0)}.peer-chip{background:#f0f9ff;color:var(--accent-color);padding:.25rem .5rem;border-radius:.5rem;font-size:.75rem;font-weight:600;margin-bottom:.25rem;white-space:nowrap}