* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            touch-action: manipulation;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #202020;
            overflow-x: hidden;
        }

        /* Sidebar Navigation */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: linear-gradient(135deg, #000000 0%, #777777 100%);
            transform: translateX(-100%);
            transition: transform 0.3s ease-in-out;
            z-index: 1000;
            padding: 2rem 0;
            box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
        }

        .sidebar.open {
            transform: translateX(0);
        }

        .sidebar-header {
            padding: 0 2rem 2rem 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            margin-bottom: 2rem;
        }

        .sidebar-header h2 {
            color: white;
            font-size: 1.5rem;
            font-weight: 300;
        }

        .nav-links {
            list-style: none;
        }

        .nav-links li {
            margin: 0.5rem 0;
        }

        .nav-links a {
            display: block;
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            padding: 1rem 2rem;
            transition: all 0.2s ease;
            border-left: 4px solid transparent;
        }

        .nav-links a:hover {
            background: rgba(255, 255, 255, 0.1);
            border-left-color: white;
            color: white;
        }

        /* Overlay for mobile when sidebar is open */
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .overlay.active {
            opacity: 1;
            visibility: visible;
        }

        /* Main Container */
        .main-container {
            min-height: 100vh;
            transition: margin-left 0.3s ease;
        }

        /* Top Bar with Hamburger */
        .top-bar {
            position: sticky;
            top: 0;
            background: rgb(31, 31, 31);
            color:white;
            padding: 1rem 1.5rem;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            z-index: 100;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .hamburger {
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
            border-radius: 4px;
            transition: background 0.2s ease;
            color: white;
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .logo {
            font-size: 1.2rem;
            font-weight: 600;
            color: white;
        }

        /* Content Area */
        .content {
            position: relative;
        }

        .header-image {
            width: 100%;
            height: 300px;
            object-fit: cover;
            display: block;
        }

        .content-body {
            padding: 2rem 1.5rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .content-section {
            margin-bottom: 3rem;
        }

        .content-section h2 {
            color: #333;
            margin-bottom: 1rem;
            font-size: 2rem;
        }

        .content-section p {
            color: #c2c2c2;
            line-height: 1.6;
            margin-bottom: 1rem;
        }


        
.card {
        background: rgb(48, 48, 48);
        color: white; 
        border-radius: 8px;
        padding: 2rem;
        box-shadow: 0 4px 6px rgba(211, 208, 208, 0.384);
        margin-bottom: 2rem;
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
}



/* This attempts to force any image in a card to not exceed the width of the cards. Confirm it works and try taking it down a notch. */
.card img {
        max-width: 100%;
        height: auto;
        display: block;
}


/* This just makes any H2 header in the cards white text. */
.card h2 {
            color: white;
}



.video-card {
    background: #000;
    color: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    margin-bottom: 2rem;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.video-thumbnail {
    flex-shrink: 0;
    width: 200px;
    cursor: pointer;
}

.video-thumbnail img {
    width: 100%;
    height: auto;
    border-radius: 4px;
}

.video-content {
    flex: 1;
}



/* Claude's tide tables app, needs a lot of work, but it is 'functioning'. */
.tide-card {
    background: #1a1a2e;
    color: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    margin-bottom: 2rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.tide-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.tide-nav-btn {
    background: #16213e;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
}

.tide-nav-btn:hover {
    background: #0f3460;
}

.tide-chart {
    position: relative;
    height: 150px;
    background: #16213e;
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.tide-curve {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 100%;
}

.tide-times {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: #aaa;
}

.tide-table {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.5rem;
    font-size: 0.8rem;
    margin-top: 1rem;
}

.tide-table div {
    text-align: center;
    padding: 0.3rem;
    background: #16213e;
    border-radius: 4px;
}





@media (max-width: 768px) {
    .video-card {
        flex-direction: column;
    }
    
    .video-thumbnail {
        width: 100%;
    }
}

        /* Responsive Design */
        @media (min-width: 768px) {
            .top-bar {
                padding: 1rem 2rem;
            }
            
            .content-body {
                padding: 3rem 2rem;
            }
            
            .header-image {
                height: 400px;
            }
        }

        @media (min-width: 1024px) {
            .hamburger {
                display: none;
            }
            
            .sidebar {
                transform: translateX(0);
                position: fixed;
            }
            
            .main-container {
                margin-left: 280px;
            }
            
            .overlay {
                display: none;
            }
        }

        /* Smooth scrolling */
        html {
            scroll-behavior: smooth;
        }