body {
    background-color: aliceblue;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 5px;
}

#header {
    text-align: center;
    margin-bottom: 5px;
    padding: 0;
}
#header h2 {
    margin: 5px 0;
}

#controls {
    text-align: center;
    margin-bottom: 5px;
}

button {
    padding: 5px 10px;
    margin: 2px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
}
button:hover { opacity: 0.8; }

.btn-all { background-color: #444; color: white; }
.btn-processing { background-color: #0047AB; color: white; }
.btn-foundation { background-color: #228B22; color: white; }
.btn-p5_core { background-color: #ED225D; color: white; }
.btn-p5_features { background-color: #E91E63; color: white; }
.btn-community { background-color: #8A2BE2; color: white; }

#timeline {
    width: 100%;
    border: 1px solid #ccc;
    background: white;
}

#details {
    margin-top: 5px;
    padding: 5px;
    background: #fff;
    border-left: 5px solid #ccc;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    min-height: 80px;
}

/* vis-timeline item colors */
.vis-item.processing { background-color: #0047AB; border-color: #003380; color: white; }
.vis-item.foundation { background-color: #228B22; border-color: #1A661A; color: white; }
.vis-item.p5_core { background-color: #ED225D; border-color: #C0194A; color: white; }
.vis-item.p5_features { background-color: #E91E63; border-color: #B3144A; color: white; }
.vis-item.community { background-color: #8A2BE2; border-color: #6A1AAB; color: white; }
.vis-item.ghost { display: none !important; }

/* Tooltip and overflow fixes from the guide */
.vis-item .vis-item-content {
    white-space: nowrap !important;
    padding: 4px 8px !important;
}
.vis-item.vis-range, .vis-item.vis-box {
    min-width: fit-content !important;
}

.vis-tooltip {
    background: #2c3e50 !important;
    color: white !important;
    padding: 10px 15px !important;
    border-radius: 8px !important;
    font-size: 13px !important;
    max-width: 300px !important;
    line-height: 1.4 !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
    white-space: normal !important;
    box-sizing: border-box !important;
}

.vis-tooltip div {
    max-width: 280px !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
    white-space: normal !important;
}

/* Prevent timeline edge clipping */
#timeline {
    overflow: hidden;
}
.vis-timeline, .vis-panel.vis-center, .vis-item .vis-item-overflow { 
    overflow: visible !important; 
}

/* Change text to black when selected (yellow background) */
.vis-item.vis-selected {
    color: black !important;
}