.tool-header{text-align:center;margin-bottom:40px}.header-badge{display:flex;justify-content:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}.badge{background:linear-gradient(135deg, #10b981, #059669);color:white;padding:6px 18px;border-radius:40px;font-size:0.75rem;font-weight:500;box-shadow:0 2px 8px rgba(0,0,0,0.1)}.tool-header h1{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg, #1e293b, #10b981);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.core-stats{display:flex;justify-content:center;gap:24px;margin-bottom:32px;flex-wrap:wrap}.core-stat{background:white;border-radius:60px;padding:16px 28px;display:flex;align-items:center;gap:16px;box-shadow:0 4px 15px rgba(0,0,0,0.05);border:1px solid var(--gray-200)}.core-stat-icon{width:48px;height:48px;background:linear-gradient(135deg, #d1fae5, #a7f3d0);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#10b981;font-size:1.3rem}.core-stat-info{text-align:left}.core-stat-value{display:block;font-size:1.2rem;font-weight:700;color:var(--gray-800)}.core-stat-label{font-size:0.7rem;color:var(--gray-500)}.device-section{background:linear-gradient(135deg, #f8fafc, #fff);border-radius:24px;padding:20px;margin-bottom:24px;border:1px solid var(--gray-200)}.device-header{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-weight:600;color:var(--gray-700)}.device-selector{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.device-select{flex:1;padding:12px 16px;border:1px solid var(--gray-300);border-radius:60px;background:white;font-size:0.9rem;cursor:pointer}.refresh-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:12px 24px;border-radius:60px;cursor:pointer;transition:all 0.2s;display:inline-flex;align-items:center;gap:8px}.refresh-btn:hover{background:var(--gray-200)}.volume-section{background:linear-gradient(135deg, #f8fafc, #fff);border-radius:24px;padding:24px;margin-bottom:24px;border:1px solid var(--gray-200)}.volume-meter{height:12px;background:var(--gray-200);border-radius:12px;overflow:hidden;margin-bottom:12px}.volume-bar{width:0%;height:100%;background:linear-gradient(90deg, #10b981, #f59e0b, #ef4444);transition:width 0.05s linear;border-radius:12px}.volume-scale{display:flex;justify-content:space-between;font-size:0.65rem;color:var(--gray-500);margin-bottom:20px}.waveform-container{background:#1a1a2e;border-radius:16px;padding:12px}#waveformCanvas{width:100%;height:80px;display:block}.control-section{display:flex;justify-content:center;gap:16px;margin-bottom:24px;flex-wrap:wrap}.control-btn{padding:14px 28px;border-radius:60px;font-weight:600;cursor:pointer;transition:all 0.3s;display:inline-flex;align-items:center;gap:10px;border:none}.control-btn.start{background:linear-gradient(135deg, #10b981, #059669);color:white}.control-btn.start:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px rgba(16,185,129,0.3)}.control-btn.stop{background:linear-gradient(135deg, #ef4444, #dc2626);color:white}.control-btn.stop:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px rgba(239,68,68,0.3)}.control-btn.record{background:linear-gradient(135deg, #f59e0b, #d97706);color:white}.control-btn.record.recording{animation:pulse 1.5s infinite}.control-btn.play{background:linear-gradient(135deg, #3b82f6, #2563eb);color:white}.control-btn.download{background:linear-gradient(135deg, #8b5cf6, #7c3aed);color:white}.control-btn:disabled{opacity:0.5;cursor:not-allowed;transform:none}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}100%{transform:scale(1)}}.recordings-section{background:var(--gray-50);border-radius:24px;padding:20px;margin-bottom:24px}.recordings-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;font-weight:600}.clear-btn{background:transparent;border:1px solid var(--gray-300);padding:6px 16px;border-radius:30px;cursor:pointer;font-size:0.75rem}.recordings-list{display:flex;flex-direction:column;gap:10px;max-height:200px;overflow-y:auto}.recording-item{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:white;border-radius:16px;border:1px solid var(--gray-200)}.recording-info{display:flex;gap:16px;align-items:center;font-size:0.85rem}.recording-time{color:var(--gray-500)}.recording-size{color:var(--gray-500)}.recording-actions{display:flex;gap:8px}.recording-actions button{background:transparent;border:none;cursor:pointer;padding:6px;border-radius:8px;color:var(--gray-500);transition:all 0.2s}.recording-actions button:hover{background:var(--gray-100);color:#3b82f6}.guide-section{background:linear-gradient(135deg, #f0fdf4, #dcfce7);border-radius:24px;padding:20px}.guide-header{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-weight:600;color:#166534}.guide-steps{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px}.guide-step{display:flex;gap:12px;align-items:center}.step-num{width:32px;height:32px;background:#10b981;color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}.step-text{font-size:0.8rem;color:#166534}.status-badge{display:inline-block;padding:4px 12px;border-radius:30px;font-size:0.7rem;font-weight:500}.status-active{background:#d1fae5;color:#065f46}.status-inactive{background:#fee2e2;color:#991b1b}@media (max-width:900px){.guide-steps{grid-template-columns:repeat(2, 1fr)}}@media (max-width:768px){.guide-steps{grid-template-columns:1fr}.control-section{gap:12px}.control-btn{padding:10px 20px;font-size:0.8rem}.core-stat{padding:12px 20px}.core-stat-value{font-size:1rem}}