body {
    display: grid;
    grid-template-columns: 260px 1fr; 
    height: 100vh;
    background: #0d0d0d;
    color: #f5f5f5;
    font-family: Arial, Helvetica, sans-serif;
}

/* Sidebar */
.sidebar {
    background: #121212;
    display: grid ;
    row-gap: 0.4rem;
    padding: 0;
    border-right: 1px solid #222;
    overflow-y: auto;
    height: 100vh;
}

.sidebar-title {
    margin-bottom: 0;
    color: #f5c518; 
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
}


.sidebar button {
    width: 100%;
    background: #1c1c1c;
    border: none;
   padding: 0;
    color: white;
    text-align: center;
    border-radius: 4px;
    cursor: pointer;
    transition: background .2s;
    font-size: 0.8rem;
}

.sidebar button:hover {
    background: #333;
}

.sidebar button.reset {
    margin-top: 0;
    background: #f5c518;
    color: #000;
    font-weight: bold;
}

.sidebar button.reset:hover {
    background: #d4aa17;
}

/* Main Content */
.content {
    padding: 2rem;
    overflow-y: auto;
}

.chart-description {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #ccc;
    line-height: 1.4;
}

/* Chart Container */
.chart-container {
    background: #181818;
    border: 1px solid #2d2d2d;
    
    padding: 2rem 1rem 1rem 1rem;
    border-radius: 8px;
    height: 600px; 
}