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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #F5F5F0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    max-width: 1200px;
    width: 100%;
}

h1 {
    text-align: center;
    color: #333;
    font-size: 3rem;
    margin-bottom: 20px;
}

.soundboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.sound-btn {
    padding: 30px 20px;
    border: none;
    border-radius: 20px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: #333;
}

.sound-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.sound-btn:active {
    transform: scale(0.95);
}

.sound-btn .icon {
    font-size: 1.5rem;
    opacity: 0.7;
}

/* Organic color variations like the screenshot */
.color-1 {
    background: #FEF3C7;
}

.color-2 {
    background: #BFDBFE;
}

.color-3 {
    background: #E9D5FF;
}

.color-4 {
    background: #FED7AA;
}

.color-5 {
    background: #BBF7D0;
}

.color-6 {
    background: #A7F3D0;
}

.color-7 {
    background: #FBCFE8;
}

.color-8 {
    background: #FCA5A5;
}

.color-9 {
    background: #D1FAE5;
}

.color-10 {
    background: #DDD6FE;
}

.color-11 {
    background: #FDE68A;
}

.color-12 {
    background: #BAE6FD;
}

.color-13 {
    background: #C7D2FE;
}

.color-14 {
    background: #FECDD3;
}

.color-15 {
    background: #E0E7FF;
}

.language-filter {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid #D1D5DB;
    border-radius: 25px;
    background: white;
    color: #6B7280;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: #9CA3AF;
    background: #F9FAFB;
}

.filter-btn.active {
    background: #4F46E5;
    color: white;
    border-color: #4F46E5;
}

.sound-btn.hidden {
    display: none;
}

.footer {
    text-align: center;
    color: #6B7280;
    font-size: 1.1rem;
    margin-top: 30px;
}

/* Responsive design */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    .soundboard {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 15px;
    }

    .sound-btn {
        padding: 20px 15px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .soundboard {
        grid-template-columns: repeat(2, 1fr);
    }
}