CUSTOM_CSS = """
    <style>
    .stApp {
        max-width: 1400px;
        margin: 0 auto;
    }
    .plot-container {
        background-color: white;
        border-radius: 10px;
        padding: 20px;
        margin: 10px 0;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
    div[data-testid="stHorizontalBlock"] > div[data-testid="column"] {
        background-color: #f8f9fa;
        padding: 10px;
        border-radius: 5px;
        margin: 0 5px;
    }
    .header-container {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 1rem 0 2rem 0;
        width: 100%;
    }
    .logos-container {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        margin-bottom: 1rem;
        height: 100px;
    }
    .logo {
        width: 100px;
        height: 100px;
        object-fit: contain;
        display: block;
    }
    .logo.pocketpal {
        width: 80px;
        height: 80px;
        border-radius: 20px;
    }
    .header-title {
        font-size: 2.5rem;
        font-weight: 600;
        text-align: center;
        color: #1a1a1a;
        margin: 0;
        padding: 10px 0;
    }
    .header-subtitle {
        font-size: 1.2rem;
        text-align: center;
        color: #666;
        margin: 0;
        padding-bottom: 1rem;
        max-width: 800px;
    }
    /* Guide Typography */
    div[data-testid="column"]:last-child h3 {
        font-size: 1.3rem;
        margin: 0.5rem 0;
        color: #1a1a1a;
    }
    div[data-testid="column"]:last-child h4 {
        font-size: 1.1rem;
        margin: 1rem 0 0.5rem 0;
        color: #333;
    }
    div[data-testid="column"]:last-child ol {
        padding-left: 1.2rem;
        margin: 0.5rem 0;
    }
    div[data-testid="column"]:last-child li {
        margin: 0.3rem 0;
        color: #444;
        font-size: 0.9rem;
    }
    div[data-testid="column"]:last-child p {
        font-size: 0.95rem;
        color: #666;
        margin: 0.5rem 0;
    }
    /* Show/Dismiss button styling */
    div[data-testid="column"]:last-child button {
        float: right;
        background: transparent;
        border: none;
        color: #666;
        padding: 0.2rem 0.4rem;
        font-size: 0.9rem;
        line-height: 1;
        transition: all 0.2s;
        width: 100%;
        text-align: center;
        margin-top: 0.5rem;
    }
    div[data-testid="column"]:last-child button:hover {
        color: #333;
        background-color: #f0f0f0;
        border-radius: 4px;
    }
    /* Store badges styling */
    .store-badge {
        height: 35px;
        transition: transform 0.2s;
        display: inline-block;
    }
    .store-badge:hover {
        transform: scale(1.05);
    }
    /* Demo container */
    .demo-container {
        background: #f8f9fa;
        padding: 10px;
        border-radius: 8px;
        margin: 15px 0;
        text-align: center;
    }
    .demo-gif {
        width: 100%;
        max-width: 250px;
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
    </style>
"""