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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #8B0000 0%, #F5F5F5 50%, #8B0000 100%);
    min-height: 100vh;
    color: #2C2C2C;
    overflow-x: hidden;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

.title {
    font-size: 3em;
    font-weight: bold;
    margin-bottom: 30px;
    color: #2C2C2C;
    text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.8);
    background: linear-gradient(45deg, #8B0000, #2C2C2C);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    border-bottom: 3px solid #8B0000;
    padding-bottom: 10px;
}

.controls {
    margin: 30px 0;
}

.play-button {
    background: linear-gradient(135deg, #8B0000, #A52A2A);
    color: white;
    border: 3px solid #8B0000;
    padding: 20px 40px;
    font-size: 1.4em;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(139, 0, 0, 0.3);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.play-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(139, 0, 0, 0.4);
    background: linear-gradient(135deg, #A52A2A, #8B0000);
}

.play-button:active {
    transform: translateY(-1px);
}

.lyrics-container {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    padding: 40px;
    margin: 30px 0;
    backdrop-filter: blur(10px);
    border: 3px solid #8B0000;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.lyric-line {
    font-size: 2em;
    font-weight: bold;
    line-height: 1.4;
    text-align: center;
    transition: all 0.5s ease;
    opacity: 0;
    transform: translateY(20px);
    color: #2C2C2C;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
    position: relative;
    width: 100%;
    padding: 20px;
    min-height: 60px;
}

.lyric-line.active {
    opacity: 1 !important;
    transform: translateY(0) !important;
    color: #8B0000 !important;
    text-shadow: 2px 2px 4px rgba(139, 0, 0, 0.2) !important;
    font-size: 2.2em !important;
}

.progress-container {
    width: 100%;
    max-width: 600px;
    margin: 30px auto;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 6px;
    overflow: hidden;
    border: 2px solid #8B0000;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #8B0000, #A52A2A, #8B0000);
    width: 0%;
    transition: width 0.1s ease;
    box-shadow: 0 0 10px rgba(139, 0, 0, 0.3);
}

.time-display {
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
    font-size: 1.1em;
    font-weight: bold;
    color: #2C2C2C;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}

.volume-control {
    margin: 30px 0;
    color: #2C2C2C;
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}

.volume-control label {
    font-size: 1.2em;
    margin-bottom: 10px;
    display: block;
}

.volume-slider {
    width: 250px;
    height: 8px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.4);
    outline: none;
    -webkit-appearance: none;
    border: 2px solid #8B0000;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #8B0000;
    cursor: pointer;
    border: 2px solid #A52A2A;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.volume-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #8B0000;
    cursor: pointer;
    border: 2px solid #A52A2A;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Polish flag colors accent */
.container::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #F5F5F5 50%, #8B0000 50%);
    z-index: 1000;
}

@media (max-width: 768px) {
    .title {
        font-size: 2.2em;
    }
    
    .lyric-line {
        font-size: 1.6em;
    }
    
    .lyric-line.active {
        font-size: 1.8em;
    }
    
    .container {
        padding: 15px;
    }
    
    .play-button {
        padding: 15px 30px;
        font-size: 1.2em;
    }
}