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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.vibe-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem 3rem;
    border-radius: 9999px;
    font-size: 1.25rem;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

.vibe-button:hover:not(:disabled) {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
}

.vibe-button:active:not(:disabled) {
    transform: translateY(0) scale(1);
}

.vibe-button:disabled {
    cursor: not-allowed;
}

.vibe-meter {
    width: 100%;
    height: 8px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.vibe-meter-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    transition: width 0.5s ease;
    border-radius: 4px;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@media (max-width: 768px) {
    .vibe-button {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
}