:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-dark: #0f172a;
    --card-bg: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --success: #10b981;
    --danger: #ef4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
}

.container {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 450px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    text-align: center;
}

h1 {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #818cf8, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2rem;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    transition: all 0.3s ease;
}

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

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    margin-right: 0.5rem;
    box-shadow: 0 0 10px currentColor;
}

.input-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    color: var(--text-main);
    font-size: 1rem;
    transition: all 0.2s;
}

input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.controls {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

button {
    padding: 0.875rem;
    border-radius: 0.75rem;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--danger);
    color: white;
    display: none;
}

.btn-danger:hover {
    filter: brightness(1.1);
}

.audio-visualizer {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin: 1.5rem 0;
}

.bar {
    width: 4px;
    height: 20px;
    background: var(--primary);
    border-radius: 2px;
    transition: height 0.1s ease;
    opacity: 0.6;
}

.active .bar {
    animation: bounce 0.5s infinite ease-in-out;
}

/* Auth Styles */
.tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.375rem;
    border-radius: 0.75rem;
}

.tab-btn {
    flex: 1;
    padding: 0.5rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    background: transparent;
}

.tab-btn.active {
    background: var(--card-bg);
    color: var(--text-main);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.warning-box {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 0.75rem;
    padding: 1rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

.warning-box strong {
    color: var(--danger);
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.warning-box p {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Audio Settings */
.audio-settings {
    background: rgba(255, 255, 255, 0.03);
    padding: 1rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.setting-item label {
    margin-bottom: 0;
    color: var(--text-main);
    font-size: 0.875rem;
}

.setting-item input[type="checkbox"] {
    width: 40px;
    height: 20px;
    cursor: pointer;
}

@keyframes bounce {
    0%, 100% { height: 10px; }
    50% { height: 40px; }
}

#remoteAudio {
    display: none;
}