/* Base font sizing and full-height setup */
html {
    font-size: 14px;
    height: 100%;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    height: 100%;
    display: flex;
    flex-direction: column;
    padding-top: 56px; /* offset for fixed navbar */
    transition: background-color .3s, color .3s;
}

/* Enhanced focus rings */
.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

/* Navbar transition */
.navbar {
    transition: background-color .3s, color .3s;
}

/* Dropdown menu styling in light mode */
.navbar .dropdown-menu {
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
}

body.dark-mode .navbar .dropdown-menu {
    background-color: #343a40;
    border-color: #454d55;
}

    /* Text color for dropdown items in dark mode */
body.dark-mode .navbar .dropdown-menu .dropdown-item {
    color: #f8f9fa;
}

body.dark-mode .navbar .dropdown-menu .dropdown-item:hover,
body.dark-mode .navbar .dropdown-menu .dropdown-item:focus {
    background-color: #495057;
    color: #f8f9fa;
}

/* Prevent email links from wrapping */
.no-wrap {
    white-space: nowrap;
}

/* Social icons layout */
.social-icons {
    display: flex;
    gap: 1rem;
}

body.dark-mode .social-icons a:hover {
    opacity: 0.8;
}

/* Make main container grow so footer sticks to bottom */
body > .container {
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
}

body > .container > main[role="main"] {
    flex: 1 0 auto;
}

/* Footer */
footer {
    flex-shrink: 0;
}

/* Dark mode general styles */
body.dark-mode {
    background-color: #121212;
    color: #e0e0e0;
}

body.dark-mode .card {
    background-color: #1e1e1e;
    border-color: #333;
}

/* Navbar overrides in dark mode */
body.dark-mode .navbar {
    background-color: #343a40 !important;
}

body.dark-mode .navbar .navbar-brand,
body.dark-mode .navbar .nav-link,
body.dark-mode .navbar .btn-outline-secondary {
    color: #f8f9fa !important;
}

body.dark-mode .navbar-light .navbar-toggler-icon {
    filter: invert(1) brightness(1.2);
}

body.dark-mode .navbar .navbar-collapse.collapse.show {
    border-top: 1px solid #495057;
}