:root {
    --primary-color: #3a7bd5;
    --secondary-color: #00d2ff;
    --background-color: #f5f7fa;
    --text-color: #333;
    --card-bg: #fff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-color);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.title {
    color: white;
    font-size: 2.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.language-selector select {
    padding: 8px 12px;
    border-radius: 20px;
    border: none;
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    cursor: pointer;
    outline: none;
    transition: var(--transition);
}

.language-selector select:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

main {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.player-container {
    background-color: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.vinyl-player {
    position: relative;
    width: 300px;
    height: 300px;
}

.vinyl-disc {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle, #111 0%, #333 70%, #111 100%);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 1s linear;
}

.vinyl-disc.playing {
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.vinyl-label {
    width: 40%;
    height: 40%;
    border-radius: 50%;
    background-color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 10px;
    font-weight: bold;
}

.tonearm {
    position: absolute;
    top: 50px;
    right: 20px;
    width: 120px;
    height: 15px;
    background-color: #555;
    border-radius: 5px;
    transform-origin: right center;
    transform: rotate(-30deg);
    transition: transform 0.5s ease;
}

.tonearm::after {
    content: '';
    position: absolute;
    left: 0;
    top: -5px;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background-color: #777;
}

.tonearm.playing {
    transform: rotate(0deg);
}

.controls {
    display: flex;
    gap: 20px;
    align-items: center;
}

.control-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
}

.control-btn:hover {
    background-color: var(--secondary-color);
    transform: scale(1.05);
}

.control-btn.active {
    background-color: #ff5252;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 10px;
}

.volume-control input {
    width: 100px;
    cursor: pointer;
}

.sound-list {
    background-color: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.sound-list h2 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.sounds-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 20px;
}

.sound-card {
    background-color: rgba(58, 123, 213, 0.1);
    border-radius: 10px;
    padding: 15px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.sound-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.sound-card.active {
    background-color: rgba(58, 123, 213, 0.3);
}

.sound-icon {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

footer {
    margin-top: 40px;
    text-align: center;
    color: white;
    padding: 20px 0;
}