:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #10b981;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    width: 100%;
    max-width: 600px;
    padding: 2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

h1 {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.status {
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status::before {
    content: '';
    display: block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status.disconnected {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.status.disconnected::before {
    background-color: var(--danger);
}

.status.connected {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.status.connected::before {
    background-color: var(--success);
    box-shadow: 0 0 8px var(--success);
}

.device-card {
    background-color: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    margin-bottom: 2rem;
}

.device-info h2 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.device-info p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.controls {
    display: flex;
    gap: 1rem;
}

.btn {
    flex: 1;
    padding: 1rem;
    border: none;
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    color: white;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn.primary {
    background-color: var(--primary);
}

.btn.primary:not(:disabled):hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.btn.danger {
    background-color: var(--danger);
}

.btn.danger:not(:disabled):hover {
    background-color: var(--danger-hover);
    transform: translateY(-2px);
}

.audio-visualization {
    text-align: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.bars {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 4px;
    height: 60px;
    margin-bottom: 1rem;
}

.bar {
    width: 6px;
    background-color: var(--primary);
    border-radius: 3px;
    height: 4px;
    transition: height 0.1s ease;
}

.audio-visualization p {
    color: var(--text-muted);
    font-size: 0.875rem;
}