html,
body {
    height: 100%;
}

.wrap {
    min-height: 100%;
    height: auto;
    margin: 0 auto -60px;
    padding: 0 0 60px;
}

.wrap > .container {
    padding: 70px 15px 20px;
}

.footer {
    height: 60px;
    background-color: #f5f5f5;
    border-top: 1px solid #ddd;
    padding-top: 20px;
}

.jumbotron {
    text-align: center;
    background-color: transparent;
}

/* Enhanced Typography */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

/* Button Enhancements */
.btn {
    transition: all 0.3s ease;
    border-radius: 6px;
    font-weight: 500;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
}

/* Responsive improvements */
@media (max-width: 768px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .btn-lg {
        padding: 12px 25px;
        font-size: 1rem;
    }
    
    .row {
        margin-left: -10px;
        margin-right: -10px;
    }
    
    .col-md-4, .col-md-3, .col-md-6 {
        padding-left: 10px;
        padding-right: 10px;
    }
}

/* Performance optimizations */
.module-card,
.feature-item,
.stat-item {
    will-change: transform;
}

/* Accessibility improvements */
.btn:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

a:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

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

/* Navigation enhancements */
.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.navbar-nav .dropdown-menu {
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    border: none;
    margin-top: 8px;
}

.navbar-nav .dropdown-menu a {
    padding: 10px 20px;
    transition: all 0.3s ease;
}

.navbar-nav .dropdown-menu a:hover {
    background: #f8f9fa;
    transform: translateX(5px);
}

/* Footer improvements */
.footer {
    background: #2c3e50;
    color: white;
    border-top: none;
}

.footer p {
    margin: 0;
    line-height: 1.6;
}

.footer a {
    color: #3498db;
    text-decoration: none;
}

.footer a:hover {
    color: #2980b9;
    text-decoration: underline;
}

.jumbotron .btn {
    font-size: 21px;
    padding: 14px 24px;
}

.not-set {
    color: #c55;
    font-style: italic;
}

/* add sorting icons to gridview sort links */
a.asc:after, a.desc:after {
    position: relative;
    top: 1px;
    display: inline-block;
    font-family: 'Glyphicons Halflings';
    font-style: normal;
    font-weight: normal;
    line-height: 1;
    padding-left: 5px;
}

a.asc:after {
    content: /*"\e113"*/ "\e151";
}

a.desc:after {
    content: /*"\e114"*/ "\e152";
}

.sort-numerical a.asc:after {
    content: "\e153";
}

.sort-numerical a.desc:after {
    content: "\e154";
}

.sort-ordinal a.asc:after {
    content: "\e155";
}

.sort-ordinal a.desc:after {
    content: "\e156";
}

.grid-view th {
    white-space: nowrap;
}

.hint-block {
    display: block;
    margin-top: 5px;
    color: #999;
}

.error-summary {
    color: #a94442;
    background: #fdf7f7;
    border-left: 3px solid #eed3d7;
    padding: 10px 20px;
    margin: 0 0 15px 0;
}

/* align the logout "link" (button in form) of the navbar */
.nav li > form > button.logout {
    padding: 15px;
    border: none;
}

@media(max-width:767px) {
    .nav li > form > button.logout {
        display:block;
        text-align: left;
        width: 100%;
        padding: 10px 15px;
    }
}

.nav > li > form > button.logout:focus,
.nav > li > form > button.logout:hover {
    text-decoration: none;
}

.nav > li > form > button.logout:focus {
    outline: none;
}