* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #f8f9fa;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.container {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.bot-name {
    font-size: 24px;
    font-weight: bold;
    color: #28a745;
    margin-bottom: 10px;
}

.pulse-core {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #6c757d;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.pulse-core.connected {
    background: #28a745;
}

.pulse-core.listening {
    background: #28a745;
}

.pulse-core.speaking {
    background: #ffc107;
}

.pulse-core.disconnected {
    background: #6c757d;
}

.wave-visualization {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
    gap: 3px;
}

.wave-visualization.active {
    opacity: 1;
}

.wave-bar {
    width: 4px;
    height: 8px;
    background: #28a745;
    border-radius: 2px;
    animation: waveAnimation 1.4s ease-in-out infinite;
}

.wave-bar:nth-child(2) { animation-delay: 0.1s; }
.wave-bar:nth-child(3) { animation-delay: 0.2s; }
.wave-bar:nth-child(4) { animation-delay: 0.3s; }
.wave-bar:nth-child(5) { animation-delay: 0.4s; }
.wave-bar:nth-child(6) { animation-delay: 0.5s; }
.wave-bar:nth-child(7) { animation-delay: 0.6s; }
.wave-bar:nth-child(8) { animation-delay: 0.7s; }
.wave-bar:nth-child(9) { animation-delay: 0.8s; }
.wave-bar:nth-child(10) { animation-delay: 0.9s; }
.wave-bar:nth-child(11) { animation-delay: 1s; }
.wave-bar:nth-child(12) { animation-delay: 1.1s; }

.wave-bar.speaking {
    background: #ffc107;
    animation-duration: 0.8s;
}

@keyframes waveAnimation {
    0%, 100% { 
        height: 8px;
        opacity: 0.6;
    }
    50% { 
        height: 40px;
        opacity: 1;
    }
}