.card {
    background: var(--white);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

.card-header {
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1.5rem;
    color: var(--gray-800);
}

.btn {
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.2s;
    color: var(--white);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.btn-primary { background-color: var(--primary-blue); }
.btn-primary:hover { background-color: var(--secondary-blue); }
.btn-success { background-color: var(--green); }
.btn-warning { background-color: var(--yellow); color: var(--gray-800); }
.btn-danger { background-color: var(--red); }
.btn-secondary { background-color: var(--gray-600); }

.btn-sm {
    padding: 4px 8px;
    font-size: 0.8em;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--gray-400);
    border-radius: 5px;
    font-size: 1em;
}

.item-list {
    list-style: none;
    padding: 0;
}

.item-list li {
    background: var(--gray-100);
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 5px;
    border-left: 5px solid var(--primary-blue);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    transition: background-color 0.2s, box-shadow 0.2s;
}

.item-list li:hover {
    background-color: var(--white);
    box-shadow: var(--shadow);
}

.item-info {
    flex-grow: 1;
}

.item-actions {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    width: 100%;
    justify-content: flex-end;
}

@media (min-width: 768px) {
    .item-actions {
        width: auto;
        margin-top: 0;
    }
}

.badge {
    padding: 5px 10px;
    border-radius: 12px;
    color: white;
    font-size: 0.8em;
    font-weight: bold;
}

.badge-approved { background-color: var(--green); }
.badge-pending { background-color: var(--yellow); color: var(--gray-800);}
.badge-rejected { background-color: var(--red); }

/* Sub-navigation */
.sub-nav {
    display: flex;
    gap: 10px;
    border-bottom: 2px solid var(--gray-200);
    padding-bottom: 10px;
    margin-bottom: -22px;
    position: relative;
    top: -10px;
}

.sub-nav-link {
    padding: 10px 15px;
    text-decoration: none;
    color: var(--gray-600);
    font-weight: bold;
    border-radius: 5px;
    transition: background-color 0.2s, color 0.2s;
}

.sub-nav-link:hover {
    background-color: var(--gray-100);
    color: var(--primary-blue);
}

.sub-nav-link.active {
    color: var(--primary-blue);
    border-bottom: 3px solid var(--primary-blue);
    border-radius: 5px 5px 0 0;
}