.vibe-check-container {
    max-width: 700px;
    margin: 20px auto;
    padding: 30px;
    background: #1d2333;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    color: #FFF;
}

.vibe-check-header {
    text-align: center;
    margin-bottom: 30px;
}

.vibe-check-header h2 {
    margin: 0 0 10px 0;
    color: #FFF;
    font-size: 28px;
}

.vibe-check-header p {
    margin: 0;
    color: #FFF;
    font-size: 16px;
}

.vibe-check-composite-wrapper {
    margin-bottom: 40px;
    text-align: center;
}

.vibe-composite-block {
    width: 100%;
    height: 200px;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transition: background-color 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.3);
    font-size: 18px;
    margin-bottom: 10px;
}

.vibe-participant-count {
    color: #FFF;
    font-size: 14px;
    font-weight: 500;
}

.vibe-check-palette {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 12px;
    margin-bottom: 30px;
}

.vibe-color {
    width: 100%;
    aspect-ratio: 1;
    border: 3px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    position: relative;
}

.vibe-color:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.vibe-color.selected {
    border-color: #333;
    transform: scale(1.15);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.vibe-color.selected::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 24px;
    font-weight: bold;
    text-shadow: 0 0 3px rgba(0, 0, 0, 0.5);
}

.vibe-check-actions {
    text-align: center;
    margin-bottom: 20px;
}

.vibe-reset-btn {
    background: #40d04f;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s ease;
}

.vibe-reset-btn:hover {
    background: #00ff00;
}

.vibe-reset-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.vibe-message {
    text-align: center;
    padding: 15px;
    margin: 10px 0;
    border-radius: 6px;
    font-size: 14px;
}

.vibe-message.success {
    background: #FFF;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.vibe-message.error {
    background: #FFF;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

@media (max-width: 600px) {
    .vibe-check-palette {
        grid-template-columns: repeat(4, 1fr);
        gap: 10px;
    }
    
    .vibe-composite-block {
        height: 150px;
    }
}