/* Main container class */
.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #000;
    border: 2px solid #00ff00;
    padding: 20px;
}

/* Header section class */
.header {
    text-align: center;
    border-bottom: 1px solid #00ff00;
    padding-bottom: 15px;
    margin-bottom: 20px;
}

/* Main content wrapper class */
.main-content {
    display: flex;
    gap: 20px;
}

/* Sidebar class */
.sidebar {
    width: 200px;
    background-color: #111;
    border: 1px solid #333;
    padding: 15px;
    height: fit-content;
}

/* Main content area class */
.content-area {
    flex: 1;
    background-color: #111;
    border: 1px solid #333;
    padding: 15px;
}

/* Date navigation class */
.date-nav {
    text-align: center;
    margin: 20px 0;
    font-size: 14px;
}

/* ASCII art preservation class */
.ascii-art {
    font-family: monospace;
    white-space: pre;
    color: #00ff00;
    text-align: center;
    margin: 10px 0;
}

/* Mood section class */
.mood-section {
    border: 1px solid #333;
    padding: 10px;
    margin: 15px 0;
    background-color: #0a0a0a;
}