:root {
    /* Typography */
    --font-family-main: 'Henny Penny', serif;

    /* Brand colors */
    --color-bg-gradient-start: #165B33;
    --color-bg-gradient-end: #146B3A;
    --color-accent-border: #F8B229;
    --color-title: #BB2528;
    --color-subtitle: #165B33;
    --color-song-border: #EA4630;
    --color-song-bg: #f8f8f8;
    --color-footer-text: #666;

    /* Surfaces */
    --color-container-bg: #ffffff;

    /* Shadows */
    --shadow-container: 0 10px 40px rgba(0, 0, 0, 0.3);

    /* Radii */
    --radius-container: 20px;
    --radius-song-item: 15px;

    /* Layout spacings */
    --page-padding: 20px;
    --container-padding-desktop: 40px;
    --container-padding-mobile: 25px;

    /* Audio */
    --audio-height: 40px;
    --audio-controls-bg: #ffffff;
}

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

body {
    font-family: var(--font-family-main);
    letter-spacing: .05em;
    background: linear-gradient(135deg, var(--color-bg-gradient-start) 0%, var(--color-bg-gradient-end) 100%);
    min-height: 100vh;
    padding: var(--page-padding);
}

.container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--color-container-bg);
    border-radius: var(--radius-container);
    padding: var(--container-padding-desktop);
    box-shadow: var(--shadow-container);
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 3px solid var(--color-accent-border);
}

h1 {
    color: var(--color-title);
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.subtitle {
    color: var(--color-subtitle);
    font-size: 1.2rem;
    font-style: italic;
}

.songs-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.song-item {
    background: var(--color-song-bg);
    padding: 25px;
    border-radius: var(--radius-song-item);
    border-left: 5px solid var(--color-song-border);
}

.song-item h2 {
    color: var(--color-subtitle);
    font-size: 1.3rem;
    margin-bottom: 15px;
}

audio {
    width: 100%;
    height: var(--audio-height);
    outline: none;
}

audio::-webkit-media-controls-panel {
    background-color: var(--audio-controls-bg);
}

footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid var(--color-accent-border);
    color: var(--color-footer-text);
    font-size: 0.9rem;
}

@media (max-width: 600px) {
    .container {
        padding: var(--container-padding-mobile);
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
}