html, body {
    min-height:100vh; /* 1 */
	display:flex; /* 2 */
	flex-direction:column; /* 3 */
}

main {
    flex-grow: 1; /* 4 */
}

/* Shared logo hover effects */
.header-logo,
.footer-logo {
    transition: transform 0.3s ease, filter 0.3s ease;
}

.header-logo:hover,
.footer-logo:hover {
    transform: scale(1.1);
    filter: brightness(1.1);
}

/* Footer logo sizing */
.footer-logo {
    width: 150px;
    vertical-align: middle;
}

/* Theme-based logo display */
[data-bs-theme="light"] .d-light-block {
    display: inline-block !important;
}

[data-bs-theme="light"] .d-dark-block {
    display: none !important;
}

[data-bs-theme="dark"] .d-light-block {
    display: none !important;
}

[data-bs-theme="dark"] .d-dark-block {
    display: inline-block !important;
}