/* Masthead Animation Styles */
/* Responsive design with dark/light mode support */

.masthead-wrapper {
    width: 100%;
    max-width: 100%;
    margin: 0 auto 3rem auto;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    background: var(--background);
    transition: box-shadow 0.3s ease;
}

#masthead-canvas-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 550px;
    background: var(--background);
    overflow: hidden;
    position: relative;
}

#masthead-canvas-wrapper pre {
    font-family: 'Courier New', Courier, monospace;
    font-size: 12px;
    line-height: 1.2em;
    letter-spacing: 0.1em;
    text-align: center;
    color: var(--text);
    margin: 0;
    padding: 10px;
    white-space: pre;
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* Performance hints for smooth animation */
#masthead-canvas-wrapper pre span {
    will-change: opacity;
}

/* Dark mode specific styles */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .masthead-wrapper {
        box-shadow: 0 2px 8px rgba(255, 255, 255, 0.05);
        background: var(--background-50);
    }

    :root:not([data-theme="light"]) #masthead-canvas-wrapper {
        background: var(--background-50);
    }
}

:root[data-theme="dark"] .masthead-wrapper {
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.05);
    background: var(--background-50);
}

:root[data-theme="dark"] #masthead-canvas-wrapper {
    background: var(--background-50);
}

/* Tablet breakpoint (768px and below) */
@media (max-width: 768px) {
    .masthead-wrapper {
        margin-bottom: 2rem;
        border-radius: 6px;
    }

    #masthead-canvas-wrapper {
        height: 400px;
    }

    #masthead-canvas-wrapper pre {
        font-size: 8px;
        line-height: 1.1em;
        letter-spacing: 0.08em;
        padding: 8px;
    }
}

/* Mobile breakpoint (480px and below) */
@media (max-width: 480px) {
    .masthead-wrapper {
        margin-bottom: 1.5rem;
        border-radius: 4px;
    }

    #masthead-canvas-wrapper {
        height: 300px;
    }

    #masthead-canvas-wrapper pre {
        font-size: 6px;
        line-height: 1em;
        letter-spacing: 0.05em;
        padding: 5px;
    }
}

/* Extra small screens (375px and below) */
@media (max-width: 375px) {
    #masthead-canvas-wrapper {
        height: 250px;
    }

    #masthead-canvas-wrapper pre {
        font-size: 5px;
        line-height: 0.9em;
    }
}

/* Accessibility - Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .masthead-wrapper,
    #masthead-canvas-wrapper,
    #masthead-canvas-wrapper pre,
    #masthead-canvas-wrapper pre span {
        animation: none !important;
        transition: none !important;
    }
}

/* Print styles - Hide animation when printing */
@media print {
    .masthead-wrapper {
        display: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .masthead-wrapper {
        border: 2px solid var(--text);
    }

    #masthead-canvas-wrapper pre {
        font-weight: bold;
    }
}