.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.main-header {
    height: 60px;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 10;
}

.main-content {
    flex: 1;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide-container {
    width: 100%;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-footer {
    height: 80px;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-light);
    z-index: 10;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-fll-blue);
}

/* Footer */
footer {
    padding: var(--space-md) var(--space-xl);
    background-color: var(--color-white);
    border-top: 1px solid var(--color-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
}

.nav-controls {
    display: flex;
    gap: var(--space-md);
}

.progress-info {
    font-weight: 600;
    color: var(--color-text-muted);
}

/* Print Styles */
@media print {

    header,
    footer,
    .overlay-menu,
    .favorite-btn,
    .checkpoint-hint-btn {
        display: none !important;
    }

    body {
        background-color: white;
        color: black;
    }

    #app {
        height: auto;
        overflow: visible;
    }

    #slide-container {
        height: auto;
        overflow: visible;
    }

    .slide {
        opacity: 1 !important;
        display: block !important;
        page-break-after: always;
        border: 1px solid #ccc;
        margin-bottom: 2rem;
        height: auto;
        min-height: 500px;
    }

    .slide-content-layout {
        display: block;
    }

    .slide-image {
        max-height: 300px;
        margin: 1rem 0;
    }
}