body {
    font-family: Arial, sans-serif;
    background-color: #f4f7f9;
    color: #333;
    margin: 20px;
}

.container {
    display: flex;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.column {
    flex: 1;
}

.title {
    font-weight: bold;
    font-size: 1.6em;
    padding-bottom: 10px;
    align-items: center;
}

.column-title {
    color: #5b9bd5;
    font-weight: bold;
    font-size: 1.6em;
    border-bottom: 1px solid #e0e0e0;
    padding-bottom: 10px;
    display: flex;
    align-items: center;
}

.info-icon {
    display: inline-block;
    width: 18px;
    height: 18px;
    background: #5b9bd5;
    color: white;
    border-radius: 50%;
    font-size: 12px;
    text-align: center;
    margin-left: 10px;
    line-height: 18px;
}

/* Levá strana - Karty */
.card {
    background: white;
    border: 1px solid #d1d1d1;
    margin-bottom: 20px;
}

.card-header {
    background: #f9f9f9;
    padding: 10px 15px;
    border-bottom: 1px solid #eee;
    color: #5b9bd5;
}

.card-content {
    padding: 15px;
    font-size: 0.9em;
}

.card-footer {
    text-align: right;
    color: #999;
    font-size: 0.8em;
    margin-top: 15px;
}

.attachments {
    padding: 10px 15px;
    background: #fdfdfd;
    border-top: 1px solid #eee;
}

/* Pravá strana - Nástěnka */
.wall-post {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.post-avatar {
    width: 40px;
    height: 40px;
    background: #444;
    border-radius: 50%;
}

.post-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
}

.author {
    color: #5b9bd5;
    font-weight: bold;
}

.date {
    color: #888;
    font-size: 0.8em;
}

.post-text {
    font-size: 0.9em;
    line-height: 1.4;
}

.file-link {
    color: #5b9bd5;
    text-decoration: none;
    font-size: 0.9em;
}

.file-link:before {
    content: "📎";
    margin-right: 5px;
}