body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.header {
    padding: 10px;
    background: #f5f5f5;
    border-bottom: 1px solid #ddd;
}

#timeline {
    padding: 10px;
    overflow-x: auto;
}

.timeline-block {
    margin-bottom: 40px;
}

.block-title {
    font-size: 1.2em;
    font-weight: bold;
    margin-bottom: 10px;
    border: #555 1px solid;
    text-align: center;
    padding: 4px;
}

.module-row {
    position: relative;
    height: 220px;
    margin-bottom: 8px;
    display: flex;
}

.module-spacer, .module-title {
    width: 30px;
    padding: 4px;
}

.module-title {
    display: flex;
    align-items: center;
    justify-content: center;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    background: #f5f5f5;
    border-radius: 4px;
    font-size: 1.0em;
    text-align: center;
    border: #555 1px solid;
}

.module-container {
    position: relative;
    flex: 1; /* restliche Breite */
    display: flex;
}

.module {
    position: absolute;
    height: 100%;
    border-radius: 20px;
    color: #fff;
    padding: 4px;
    box-sizing: border-box;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    font-size: 1.0em;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.module .divider {
    position: absolute;
    left: 10%;
    width: 80%;
    height: 2px;
    background: rgba(255, 255, 255, 0.4);
}

.module .divider-top {
    top: 20%;
}

.module .divider-bottom {
    top: 80%;
}

.module .title {
    font-weight: bold;
    font-size: 1em;
    text-align: center;
    margin-top: 2px;
}

.module .content {
    position: absolute;
    top: 25%;
    bottom: 25%;
    left: 0;
    right: 0;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;   
    padding: 0 4px;
}

.module .code {
    position: absolute;
    bottom: 4px;
    right: 8px;
    background: white;
    color: black;
    border-radius: 6px;
    padding: 2px 6px;
    font-size: 1.0em;
    border: 1px solid #ccc;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    opacity: 0.85;
}

.module a {
    cursor: pointer;
}

.crossover-row {
    position: relative;
    margin-bottom: 8px;
    display: flex;
}

.crossover-crossover-row {
    position: relative;
    width: 100%;
    height: 30px;
    margin-bottom: 4px;
}

.crossover-container {
    position: relative;
    flex: 1; /* restliche Breite */
    width: 100%;
}

.crossover {
    position: absolute;
    height: 100%;
    border-radius: 4px;
    color: #fff;
    padding: 5px;
    box-sizing: border-box;
    font-size: 0.9em;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.highlight {
    position: absolute;
    height: 100%;
    border-radius: 4px;
    color: #fff;
    padding: 5px;
    box-sizing: border-box;
    font-size: 0.9em;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.highlight-row {
    position: relative;
    margin-bottom: 8px;
    display: flex;
}

.highlight-crossover-row {
    position: relative;
    width: 100%;
    height: 40px;
    margin-bottom: 4px;
}

.highlight-container {
    position: relative;
    flex: 1; /* restliche Breite */
    width: 100%;
}

.month-row {
    display: flex;
    margin-top: 10px; 
}

.month {
    flex: 1;
    font-size: 1.2em;
    text-align: left;
    padding: 0 4px;
    color: #555;
    border-right: #555 1px dashed;
}

.month:first-child {
    border-left: 1px dashed #555;
}

@media (max-width: 768px) {
    .module {
        font-size: 0.75em;
        height: 30px;
    }
    .module-row {
        height: 40px;
    }
}