body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    margin: 0;
    padding: 20px;
    min-height: 100vh;
}

h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 40px;
}

.bubble-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
}

.song-bubble {
    background: rgba(255, 255, 255, 0.9);
    padding: 20px 30px;
    border-radius: 50px;
    text-decoration: none;
    color: #3498db;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.song-bubble:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
    background: #fff;
}

.upload-link {
    display: block;
    width: 200px;
    margin: 40px auto;
    text-align: center;
    padding: 15px;
    background: #3498db;
    color: white;
    border-radius: 30px;
    text-decoration: none;
    transition: background 0.3s ease;
}

.upload-link:hover {
    background: #2980b9;
}

.upload-form {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.9);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

input[type="text"],
textarea {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-sizing: border-box;
    font-size: 16px;
}

button[type="submit"] {
    background: #3498db;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 16px;
    width: 100%;
    transition: background 0.3s ease;
}

button[type="submit"]:hover {
    background: #2980b9;
}

.lyrics-content {
    white-space: pre-line;
    background: white;
    padding: 30px;
    border-radius: 15px;
    max-width: 800px;
    margin: 20px auto;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.back-link {
    display: block;
    text-align: center;
    margin-top: 20px;
    color: #3498db;
    text-decoration: none;
}

@media (max-width: 768px) {
    .bubble-container {
        gap: 15px;
    }
    
    .song-bubble {
        padding: 15px 25px;
        font-size: 14px;
    }
}