body {
    margin: 0;
    font-family: 'EB Garamond', Garamond, Georgia, serif;
    font-size: 20px;
    color: #222;
}

.header {
    text-align: center;
    font-weight: 700;
    font-size: 1.67em;
    letter-spacing: 0.05em;
    padding: 0.5em 0 0.7em 0;
    color: #2d1a05;
    margin-bottom: 1em;
    background: none;
    border-radius: 0;
    text-shadow: none;
}

.container {
    display: flex;
    flex-direction: row;
    height: 100vh;
}

.sidebar {
    width: 300px; /* or whatever width you prefer */
    height: 100vh;
    background: #f8f8f8; /* optional: for visual separation */
    box-sizing: border-box;
    padding: 16px 24px;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    height: 100vh;
    overflow: auto;
    display: flex;
    flex-direction: column;
}

.slider-container {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
}

input[type="range"] {
    width: 300px;
}

.bpm-display {
    min-width: 80px;
    align-self: center;
}

.centered-box {
    max-width: 400px;
    margin: 48px auto;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.07);
    padding: 32px 28px 28px 28px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}