body, html {
    font-family: 'Arial', sans-serif;
    background-color: #f9f9f9;
    color: #333;
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
}

.sidebar {
    background-color: #343a40;
    color: #fff;
    padding: 10px;
    position: sticky;
    top: 0;
}

.sidebar-collapse:not(.show) {
    min-height: 100vh;
    height: auto;
    overflow: hidden;
}

.sidebar-collapse.show {
    height: auto;
    overflow: visible;
}

@media (min-width: 768px) {
    .sidebar-collapse {
        display: block;
        height: 100vh;
        overflow: visible;
    }
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu .nav-link {
    color: #adb5bd;
    padding: 10px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.sidebar-menu .nav-link:hover {
    color: #fff;
    background-color: #495057;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-header button {
    background-color: transparent;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
}

.main-content {
    margin-bottom: 0;
    padding-bottom: 20px;
    box-sizing: border-box;
}

footer {
    margin-top: auto;
}

.container-fluid {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.card {
    border: none;
    border-radius: 12px;
    transition: 0.3s all ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

.card-title {
    font-size: 1.2rem;
    font-weight: bold;
}

.card-text {
    font-size: 2rem;
    font-weight: 700;
}

.card-icon {
    display: flex;
    justify-content: center;
    align-items: center;
}

.text-primary {
    color: #007bff !important;
}

.text-success {
    color: #28a745 !important;
}

.text-warning {
    color: #ffc107 !important;
}

.content {
    padding: 20px;
}